1900 · 香港天文台 · 日期僅記到年份
1900年,香港天文台錄得磁偏角負0度5.3分,磁傾角31度27.6分。
In 1900, the Hong Kong Observatory recorded a magnetic declination of -0 degrees 5.3 minutes and a magnetic inclination of 31 degrees 27.6 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
Hong Kong Observatory · Twentieth century
呢一頁係「香港天文台」呢條軸嘅二十世紀,共 334 條條目(公元 1900 至 1999-10)。 逐條附第一官方來源、原書頁碼同「引用呢條」。
334 archive entries for the Twentieth century of this entity axis, each with its primary official source and archive page number.
條目點樣揀、有咩已知缺口、相關統計同口徑提示,一律喺軸頁交代;呢一頁只列原文條目本身,唔會新增或者改寫任何事實。 同一批條目亦可能出現喺其他軸(志錄一條條目可以同時提到幾個地方),各軸各自完整。
引用每條都可以引用:按條目下面嘅「引用呢條」,可以揀中文腳註/中文參考書目/APA/Chicago 四種格式並複製。 書名、出版者、年份同頁碼一律由已登記來源同生成檔派生,頁面一條都唔會手寫;年份取來源登記嘅出版年, 來源未登記出版年嘅,引文改用查閱日期並寫明。
Every entry is citable. Press “Cite this entry” for a Chinese footnote, Chinese bibliography, APA or Chicago note — all derived from the registered source and the generated archive, never hand-written. If a registered source has no publication year, the citation prints the access date and says so.
《香港志·自然》自然環境 Hong Kong Chronicles, Nature: Natural Environment
中文腳註香港地方志中心,《香港志·自然》自然環境(查閱日期 2026-10-18),頁 〈頁碼〉,/chronicle/archive/1900#〈條目編號〉。
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Natural Environment (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/1900#〈條目編號〉
《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事) Hong Kong Chronicles: Overview and Chronology (c. 5000 BC–2017, over 6,500 events)
中文腳註香港地方志中心,《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事),2020,頁 〈頁碼〉,/chronicle/archive/1919#〈條目編號〉。
APAHong Kong Chronicles Institute (2020). Hong Kong Chronicles: Overview and Chronology (c. 5000 BC–2017, over 6,500 events) (p. 〈頁碼〉). /chronicle/archive/1919#〈條目編號〉
《香港志·自然》自然資源與生態 Hong Kong Chronicles, Nature: Natural Resources and Ecology
中文腳註香港地方志中心,《香港志·自然》自然資源與生態(查閱日期 2026-10-18),頁 〈頁碼〉,/chronicle/archive/1949#〈條目編號〉。
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Natural Resources and Ecology (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/1949#〈條目編號〉
《香港志·自然》建置與地區概況(人口) Hong Kong Chronicles, Nature: Territory, Geography and Population
中文腳註香港地方志中心,《香港志·自然》建置與地區概況(人口)(查閱日期 2026-10-18),頁 〈頁碼〉,/chronicle/archive/1970#〈條目編號〉。
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Territory, Geography and Population (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/1970#〈條目編號〉
《香港志·自然》環境保護與生態保育 Hong Kong Chronicles, Nature: Environmental Protection and Conservation
中文腳註香港地方志中心,《香港志·自然》環境保護與生態保育(查閱日期 2026-10-18),頁 〈頁碼〉,/chronicle/archive/1973#〈條目編號〉。
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Environmental Protection and Conservation (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/1973#〈條目編號〉
Substitute the entry’s page number and ID (shown as 〈頁碼〉/〈條目編號〉) into the pattern above. The same templates, plus rules and limits, are in the citation block of /api/v1/archive.json.
1900 · 香港天文台 · 日期僅記到年份
In 1900, the Hong Kong Observatory recorded a magnetic declination of -0 degrees 5.3 minutes and a magnetic inclination of 31 degrees 27.6 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1900 · 香港天文台 · 日期僅記到年份
In 1900, the Hong Kong Observatory recorded a horizontal intensity of 36,817 nanoteslas, a vertical intensity of 22,526 nanoteslas, and a total intensity of 43,162 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1900-08-28 · 香港
Data from the Hong Kong Observatory headquarters show that the absolute minimum relative humidity recorded on 28 August 1900 was 41%.
來源 《香港志·自然》自然環境(香港地方志中心) · p.292
1900-11 · 香港 · 日期僅記到月份
In November 1900, the Gengzi Typhoon struck Hong Kong, and the highest 60-minute mean wind speed recorded at the Hong Kong Observatory Headquarters reached 113 kilometres per hour.
來源 《香港志·自然》自然環境(香港地方志中心) · p.298
1901 · 香港天文台 · 日期僅記到年份
In 1901, the Hong Kong Observatory recorded a magnetic declination of minus 0 degrees 4.1 minutes and a magnetic inclination of 31 degrees 24.2 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1901 · 香港天文台 · 日期僅記到年份
In 1901, the Hong Kong Observatory recorded a horizontal intensity of 36,874 nanoteslas, a vertical intensity of 22,511 nanoteslas and a total intensity of 43,202 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1902 · 香港天文台 · 日期僅記到年份
In 1902, the Hong Kong Observatory recorded a magnetic declination of minus 0 degrees 2.6 minutes and a magnetic inclination of 31 degrees 19.9 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1902 · 香港天文台 · 日期僅記到年份
In 1902, the Hong Kong Observatory recorded a horizontal intensity of 36,922 nanoteslas, a vertical intensity of 22,477 nanoteslas and a total intensity of 43,226 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1902 · 香港 · 日期僅記到年份
From 1902, the Hong Kong Observatory supplied 'Meteorological Records of the China Coast' to shipping companies free of charge every day.
來源 《香港志·自然》自然環境(香港地方志中心) · p.364
1903 · 香港 · 日期僅記到年份
In 1903, astronomical, geomagnetic and gravity observations were carried out at the Hong Kong Observatory by the Geodetic Committee of the Japanese Ministry of Education.
來源 《香港志·自然》自然環境(香港地方志中心) · p.415
1903 · 香港天文台 · 日期僅記到年份
In 1903, the Hong Kong Observatory recorded a magnetic declination of -0 degrees 1.4 minutes and a magnetic inclination of 31 degrees 13.8 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1903 · 香港天文台 · 日期僅記到年份
In 1903, the Hong Kong Observatory recorded a horizontal intensity of 36,953 nanoteslas, a vertical intensity of 22,406 nanoteslas and a total intensity of 43,215 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1903-02-24 · 香港天文台
From 24 to 27 February 1903, the Japanese Shinjō Shinzō, Ōtani Ryōkichi and Yamakawa Hirotake conducted gravity observations at the magnetic hut of the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1903-04-02 · 香港天文台地磁小屋
From 2 to 3 April 1903, Shinjō Shinzō and others observed at the magnetic hut of the Hong Kong Observatory and recorded a magnetic declination of 0 degrees 19 minutes 17 seconds east.
來源 《香港志·自然》自然環境(香港地方志中心) · p.671
1904 · 香港 · 日期僅記到年份
In 1904, construction of St Andrew's Church began adjacent to the Hong Kong Observatory headquarters; as a result, the Observatory suspended geomagnetic observations in November 1905 and in March and May 1906.
來源 《香港志·自然》自然環境(香港地方志中心) · p.207
1904 · 香港天文台 · 日期僅記到年份
In 1904, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 2.7 minutes and a magnetic inclination of 31 degrees 11.7 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1904 · 香港天文台 · 日期僅記到年份
In 1904, the Hong Kong Observatory recorded a horizontal intensity of 37,032 nanoteslas, a vertical intensity of 22,423 nanoteslas, and a total intensity of 43,292 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1904-11-09 · 香港天文台
From 9 to 25 November 1904, the German national Hecker carried out gravity measurements at the magnetic hut of the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1905 · 香港天文台 · 日期僅記到年份
In 1905, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 4.7 minutes and a magnetic inclination of 31 degrees 10.7 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1905 · 香港天文台 · 日期僅記到年份
In 1905, the Hong Kong Observatory recorded a horizontal intensity of 37,075 nanoteslas, a vertical intensity of 22,434 nanoteslas and a total intensity of 43,334 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1906 · 香港天文台 · 日期僅記到年份
In 1906, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 5.3 minutes and a magnetic inclination of 31 degrees 10.5 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1906 · 香港天文台 · 日期僅記到年份
In 1906, the Hong Kong Observatory recorded a horizontal intensity of 37,123 nanotesla, a vertical intensity of 22,460 nanotesla, and a total intensity of 43,389 nanotesla.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1906 · 日期僅記到年份
In 1906, the Hong Kong Observatory published a work entitled Sea Fog on the Coast of China.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
1907 · 香港天文台 · 日期僅記到年份
In 1907, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 6.9 minutes and a magnetic inclination of 31 degrees 6.2 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1907 · 香港天文台 · 日期僅記到年份
In 1907, the Hong Kong Observatory recorded a horizontal intensity of 37,133 nanoteslas, a vertical intensity of 22,403 nanoteslas and a total intensity of 43,368 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1908 · 香港天文台 · 日期僅記到年份
In 1908, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 7.7 minutes and a magnetic inclination of 31 degrees 5.6 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1908 · 香港天文台 · 日期僅記到年份
In 1908, the Hong Kong Observatory recorded a horizontal intensity of 37,152 nanoteslas, a vertical intensity of 22,406 nanoteslas and a total intensity of 43,385 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1909 · 香港天文台 · 日期僅記到年份
In 1909, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 10.7 minutes and a magnetic inclination of 31 degrees 2.9 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1909 · 香港天文台 · 日期僅記到年份
In 1909, the Hong Kong Observatory recorded a horizontal intensity of 37,193 nanoteslas, a vertical intensity of 22,391 nanoteslas and a total intensity of 43,413 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1909 · 馬尼拉 · 日期僅記到年份
Hogg arranged for the Manila Observatory to provide additional observations to the Hong Kong Observatory when affected by typhoons.
來源 《香港志·自然》自然環境(香港地方志中心) · p.414
1910 · 香港天文台總部 · 日期僅記到年份
In 1910, a Dines anemometer was installed in the main building of the Observatory, and continued to be checked against a Robinson-Berkeley anemometer.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1910 · 香港天文台 · 日期僅記到年份
In 1910, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 12.2 minutes and a magnetic inclination of 31 degrees 0.9 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1910 · 香港天文台 · 日期僅記到年份
In 1910, the Hong Kong Observatory recorded a horizontal intensity of 37,210 nanoteslas, a vertical intensity of 22,371 nanoteslas, and a total intensity of 43,417 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1910 · 東沙島 · 日期僅記到年份
In 1910, the Chinese Telegraph Administration (under the Qing government) intended to build a wireless telegraph station on Pratas Island, with the Hong Kong Observatory providing training in meteorological observation for its staff.
來源 《香港志·自然》自然環境(香港地方志中心) · p.414
1910-01 · 香港天文台 · 日期僅記到月份
In January 1910, the Observatory acquired a pressure-tube anemometer made by Dines and Backsandel for comparison with the cup anemometer.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1911 · 香港天文台 · 日期僅記到年份
In 1911, the Observatory selected a standard barometer manufactured by Casella, numbered No.2451.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1911 · 香港天文台 · 日期僅記到年份
In 1911, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 15.5 minutes and a magnetic inclination of 31 degrees 2.1 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1911 · 香港天文台 · 日期僅記到年份
In 1911, the Hong Kong Observatory recorded a horizontal intensity of 37,233 nanoteslas, a vertical intensity of 22,403 nanoteslas, and a total intensity of 43,453 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1912 · 香港天文台 · 日期僅記到年份
In 1912, the Hong Kong Observatory recorded a magnetic declination of +0 degrees 16.3 minutes and a magnetic inclination of 31 degrees 0.0 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1912 · 香港天文台 · 日期僅記到年份
In 1912, the Hong Kong Observatory recorded a horizontal intensity of 37,235 nanotesla, a vertical intensity of 22,373 nanotesla, and a total intensity of 43,440 nanotesla.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1912-05-27 · 香港天文台
On 27 May 1912, the Hong Kong Observatory ceased using the Kew pattern thermometer.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1913 · 香港天文台 · 日期僅記到年份
In 1913, the Hong Kong Observatory recorded a magnetic declination of +0 degrees 18.8 minutes and a magnetic inclination of 30 degrees 56.2 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1913 · 香港天文台 · 日期僅記到年份
In 1913, the Hong Kong Observatory recorded a horizontal intensity of 37,260 nanotesla, a vertical intensity of 22,332 nanotesla, and a total intensity of 43,440 nanotesla.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1913-01-14 · 香港天文台
On 14 January 1913, the Observatory used two rain gauges simultaneously: a Nakamura rain gauge and a Berkeley rain gauge.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1914 · 香港天文台 · 日期僅記到年份
In 1914, the Hong Kong Observatory recorded a magnetic declination of +0 degrees 20.3 minutes and a magnetic inclination of 30 degrees 55.7 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1914 · 香港天文台 · 日期僅記到年份
In 1914, the Hong Kong Observatory recorded a horizontal intensity of 37,282 nanoteslas, a vertical intensity of 22,338 nanoteslas and a total intensity of 43,462 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1915 · 香港天文台 · 日期僅記到年份
In 1915, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 24.3 minutes and a magnetic inclination of 30 degrees 54.3 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1915 · 香港天文台 · 日期僅記到年份
In 1915, the Hong Kong Observatory recorded a horizontal intensity of 37,271 nanoteslas, a vertical intensity of 22,311 nanoteslas and a total intensity of 43,438 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1916 · 香港天文台 · 日期僅記到年份
In 1916, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 26.4 minutes and a magnetic inclination of 30 degrees 53.5 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1916 · 香港天文台 · 日期僅記到年份
In 1916, the Hong Kong Observatory recorded a horizontal intensity of 37,234 nanoteslas, a vertical intensity of 22,277 nanoteslas and a total intensity of 43,389 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1916 · 香港天文台總部 · 日期僅記到年份
From 1916 onwards, weather observations were conducted 24 hours a day, with records taken every hour.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1917 · 香港天文台 · 日期僅記到年份
In 1917, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 29.0 minutes and a magnetic inclination of 30 degrees 52.6 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1917 · 香港天文台 · 日期僅記到年份
In 1917, the Hong Kong Observatory recorded a horizontal intensity of 37,250 nanoteslas, a vertical intensity of 22,273 nanoteslas and a total intensity of 43,401 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1917-03-20 · 香港天文台
On 20 March 1917, the Hong Kong Observatory adopted the Richards bimetallic thermograph to record the day's maximum and minimum temperatures.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1917-05-01 · 香港天文台總部
According to records of the Hong Kong Observatory Headquarters on 1 May 1917, the absolute minimum temperature recorded for May that day was 15.4 degrees.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1918 · 香港天文台 · 日期僅記到年份
In 1918, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 31.3 minutes and a magnetic inclination of 30 degrees 50.9 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1918 · 香港天文台 · 日期僅記到年份
In 1918, the Hong Kong Observatory recorded a horizontal intensity of 37,250 nanotesla, a vertical intensity of 22,248 nanotesla, and a total intensity of 43,388 nanotesla.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1918 · 香港天文台總部 · 日期僅記到年份
In 1918, the Hong Kong Observatory built a new magnetic hut within its headquarters grounds.
來源 《香港志·自然》自然環境(香港地方志中心) · p.203
1918 · 香港天文台 · 日期僅記到年份
Starting from 1918, the Observatory ceased using the Berkeley rain gauge, while the Nakamura rain gauge continued to be used.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1918-12 · 香港 · 日期僅記到月份
In December 1918, the Hong Kong Observatory began works to find another location within its headquarters area for a new geomagnetic observation site.
來源 《香港志·自然》自然環境(香港地方志中心) · p.207
1919 · 香港天文台 · 日期僅記到年份
In 1919, the Hong Kong Observatory recorded a magnetic declination of +0 degrees 33.1 minutes and a magnetic inclination of 30 degrees 50.2 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1919 · 香港天文台 · 日期僅記到年份
In 1919, the Hong Kong Observatory recorded a horizontal intensity of 37,240 nanotesla, a vertical intensity of 22,232 nanotesla, and a total intensity of 43,371 nanotesla.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1919-08-22 · 香港
On 22 August 1919, a typhoon struck Hong Kong head-on and the Hong Kong Observatory issued Hurricane Signal No. 7; several steamships ran aground and about 500 to 600 Chinese junks sank.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.207
1920 · 香港天文台 · 日期僅記到年份
In 1920, the Hong Kong Observatory recorded a magnetic declination of plus 0 degrees 33.4 minutes and a magnetic inclination of 30 degrees 50.2 minutes.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1920 · 香港天文台 · 日期僅記到年份
In 1920, the Hong Kong Observatory recorded a horizontal intensity of 37,246 nanoteslas, a vertical intensity of 22,235 nanoteslas, and a total intensity of 43,378 nanoteslas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.668
1920 · 香港 · 日期僅記到年份
From 1920 onwards, the Hong Kong Observatory published sunrise and sunset times monthly in the Government Gazette.
來源 《香港志·自然》自然環境(香港地方志中心) · p.399
1920-12 · 香港 · 日期僅記到月份
In December 1920, the Hong Kong Observatory demolished the original magnetic hut, and geomagnetic observations were again interrupted by the related works.
來源 《香港志·自然》自然環境(香港地方志中心) · p.207
1921 · 日期僅記到年份
In 1921, the Hong Kong Observatory published "The Winds of Hong Kong".
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
1921 · 香港 · 日期僅記到年份
In 1921, the Hong Kong Observatory began balloon upper-air meteorological observation trials with the support of the British Meteorological Office.
來源 《香港志·自然》自然環境(香港地方志中心) · p.260
1922 · 香港天文台 · 日期僅記到年份
In 1922, the Kew pattern barometer was discontinued and replaced by a Marvin siphon barometer with a fixed cistern.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1922-04-17 · 香港
According to records of the Royal Observatory headquarters, the lowest relative humidity measured on 17 April 1922 was 22%.
來源 《香港志·自然》自然環境(香港地方志中心) · p.292
1922-09-21 · 香港
A total solar eclipse occurred on 21 September 1922, and the Hong Kong Observatory took part in an international collaborative project coordinated by the Carnegie Institution of Washington to study the eclipse's effects on geomagnetism.
來源 《香港志·自然》自然環境(香港地方志中心) · p.415
1922-09-21 · 香港
During the total solar eclipse of 21 September 1922, the Hong Kong Observatory monitored geomagnetic fluctuations minute by minute and afterwards provided these records to Bauer for reference.
來源 《香港志·自然》自然環境(香港地方志中心) · p.207
1922-11-26 · 香港天文台總部
The Royal Observatory headquarters recorded 6.5 degrees Celsius on 26 November 1922, the absolute minimum temperature record for November.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1923-08 · 香港 · 日期僅記到月份
In August 1923, during the passage of Typhoon Guimao over Hong Kong, the Hong Kong Observatory Headquarters recorded a maximum 60-minute mean wind speed of 133 kilometres per hour.
來源 《香港志·自然》自然環境(香港地方志中心) · p.298
1924 · 新界凹頭 · 日期僅記到年份
In 1924, the Hong Kong Observatory established a geomagnetic observation station at Au Tau in the New Territories.
來源 《香港志·自然》自然環境(香港地方志中心) · p.207
1924-04-02 · 香港
According to records of the Hong Kong Observatory headquarters, on 2 April 1924 the sea-level pressure fell to 999.9 hectopascals, the lowest value recorded at that station.
來源 《香港志·自然》自然環境(香港地方志中心) · p.294
1926-06-02 · 香港天文台總部
On 2 June 1926, the Hong Kong Observatory Headquarters recorded an absolute minimum temperature of 19.2 degrees for June.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1927 · 凹頭 · 日期僅記到年份
In 1927, the Hong Kong Observatory moved the geomagnetic observatory from its headquarters to Au Tau.
來源 《香港志·自然》自然環境(香港地方志中心) · p.203
1929-08 · 香港 · 日期僅記到月份
In August 1929, an unnamed typhoon struck Hong Kong, and the peak 60-minute mean wind speed recorded at the Hong Kong Observatory headquarters was 111 kilometres per hour.
來源 《香港志·自然》自然環境(香港地方志中心) · p.298
1930 · 香港天文台 · 日期僅記到年份
In 1930, a Campbell-Stokes sunshine recorder manufactured by Hicks was adopted by the Observatory and installed at the western end of the parapet on the roof.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1931 · 日期僅記到年份
In 1931, a work on the climate of 1884 to 1929 was published by the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
引用名稱作品 《香港的氣候(1884-1929)》(The Climate of Hong Kong (1884-1929))
1931-08 · 香港 · 日期僅記到月份
In August 1931, an unnamed typhoon struck Hong Kong, during which the Royal Observatory headquarters recorded a maximum 60-minute mean wind speed of 119 kilometres per hour.
來源 《香港志·自然》自然環境(香港地方志中心) · p.298
1932 · 日期僅記到年份
In 1932, a work on the distribution of typhoons in the Far East, covering data from 1884 to 1930, was published by the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
引用名稱作品 《遠東颱風分佈(1884-1930)》(The Distribution of Typhoons in the Far East (1884-1930))
1933 · 香港天文台 · 日期僅記到年份
In 1933, the Hong Kong Observatory adopted a newly completed thermometer screen at the old site southeast of the main building.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1933 · 日期僅記到年份
The Hong Kong Observatory published a work titled Upper Winds over Hong Kong in 1933.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
1933-01 · 香港天文台 · 日期僅記到月份
In January 1933, the Observatory moved the Hicks sunshine recorder to the central paved area.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1933-01-15 · 香港天文台
On 15 January 1933, a new location for the rain gauge was established about fifteen metres southwest of the entrance to the Observatory's main building.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1933-03-23 · 香港天文台
On 23 March 1933, the Frenchman Pierre Lejay conducted gravity observations at the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1934-06-29 · 香港天文台
On 29 June 1934, the Hong Kong Observatory switched to using resistance thermometers and a line recorder made by the Cambridge Scientific Instrument Company to replace the Richard thermograph.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1935 · 香港天文台 · 日期僅記到年份
In 1935, the Observatory used both Nakamura and Casella rain gauges.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1935-09-26 · 香港天文台總部
Records show that on 26 September 1935, the Hong Kong Observatory Headquarters recorded 18.4 degrees Celsius, the lowest temperature for that month and the lowest ever recorded for September.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1936 · 香港天文台總部 · 日期僅記到年份
During the typhoons of September 1936 and September 1937, the old Dines anemometer failed to record the highest gusts.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1936 · 香港 · 日期僅記到年份
According to records, the Hong Kong Observatory began providing night sky star charts to the public in 1936.
來源 《香港志·自然》自然環境(香港地方志中心) · p.399
1936 · 香港天文台 · 日期僅記到年份
Starting from 1936, the Observatory discontinued the use of the Nakamura recording rain gauge, while the Casella recording rain gauge continued to be used.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1938 · 日期僅記到年份
In 1938, the Hong Kong Observatory published The Laws of Typhoons in the China Sea.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
1938-10-01 · 香港天文台
In 1938, the Berkeley-type anemometer was dismantled on 1 October, and the Dines anemometer on 4 October.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1938-11-21 · 香港天文台
On 21 November 1938, the Dines anemometer was relocated to the centre of the roof of the Main Building, with the top of the anemometer about 9.8 metres above the roof.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1939 · 香港天文台總部 · 日期僅記到年份
The height of the anemometer was raised from 13 feet above the roof to 32 feet, that is, from about 4 metres to 9.8 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1939-01 · 香港天文台總部 · 日期僅記到月份
In January 1939, a new Dines anemometer was installed in the main building of the Observatory, becoming the new standard.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1939-01-11 · 香港天文台
From 11 January 1939, a Dines anemometer fitted with a new top assembly was adopted as the reference instrument.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1940 · 香港 · 日期僅記到年份
From 1940 to 1946, the Pacific War caused the Hong Kong Observatory's meteorological observation records to be discontinued.
來源 《香港志·自然》自然環境(香港地方志中心) · p.331
1941 · 新界凹頭 · 日期僅記到年份
The Hong Kong Observatory was unable to maintain geomagnetic observations because the Japanese army destroyed the Au Tau geomagnetic observatory and its instruments.
來源 《香港志·自然》自然環境(香港地方志中心) · p.208
1941 · 香港天文台 · 日期僅記到年份
From 1941 to 1945, the Hong Kong Observatory's equipment and observation data were lost during the Japanese occupation, so records are lacking from before the occupation until shortly after the end of the Second World War.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1941 · 香港 · 日期僅記到年份
From the Japanese occupation of Hong Kong in 1941, the Hong Kong Observatory's geomagnetic observations were interrupted and were not resumed until 1971.
來源 《香港志·自然》自然環境(香港地方志中心) · p.671
1941-10 · 香港天文台 · 日期僅記到月份
From October 1941 to June 1946, the sunshine recorder was not damaged, but observation records were lost during the Japanese occupation and could not be restored in the early period after the end of the Second World War.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1941-10 · 香港天文台 · 日期僅記到月份
From October 1941 to June 1946, the instruments and observation records of the Hong Kong Observatory were lost during the Japanese occupation, and no records from that period survive.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1941-12-25 · 香港天文台
Hong Kong fell on 25 December 1941, and the Japanese "Meteorological Unit" subsequently took over the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1944-05 · 香港 · 日期僅記到月份
In May 1944, the Japanese military carried out meteorological observations at the Hong Kong Observatory, and the records are contained in the South China Meteorological General Report.
來源 《香港志·自然》自然環境(香港地方志中心) · p.375
1946-05-09 · 香港天文台
From 9 May 1946, the Observatory resumed hourly weather observations covering the whole day without interruption.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1946-07 · 香港天文台 · 日期僅記到月份
From July 1946, the Observatory began using an 8-inch standard rain gauge for observations.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1946-07-18 · 香港
On 18 July 1946, Hong Kong was struck by a typhoon, and the Hong Kong Observatory issued the first No. 10 hurricane signal after the Second World War; the storm damaged two steamships and two fishing boats, destroyed many buildings in the urban area, caused the most severe damage on Hong Kong Island, and left 11 dead and 7 injured.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.260
1947 · 香港天文台 · 日期僅記到年份
In 1947, the Dines anemometer was adopted, with its top about 9.8 metres from the roof and about 22.3 metres from the ground.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1947 · 香港天文台 · 日期僅記到年份
In 1947, the Hong Kong Observatory added visibility observation to its work.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1947-01 · 啟德機場 · 日期僅記到月份
In January 1947, the Hong Kong Observatory arranged for forecasting staff to resume certain duties in the field of aviation meteorology.
來源 《香港志·自然》自然環境(香港地方志中心) · p.377
1947-01-01 · 香港天文台
From 1 January 1947 to 31 August of the same year, the barometric instrument used by the Observatory was a barometer manufactured by Negretti & Zambra, serial number No.1409.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1947-04-14 · 香港天文台
From 14 April 1947, the Hong Kong Observatory switched to a steel-tube mercury thermograph manufactured by Negretti & Zambra, and the whirling thermometer was discontinued.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1947-07 · 香港天文台 · 日期僅記到月份
In July 1947, the Hicks-Campbell-Stokes sunshine recorder was put back into operation at the Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1947-08 · 啟德機場 · 日期僅記到月份
In August 1947, the aviation meteorological service was transferred from the Air Force to the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.377
1947-09-01 · 香港天文台
From 1 September 1947, the Observatory replaced the barometer it used with model No.3336.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1948 · 香港 · 日期僅記到年份
From 1948 onwards, the Observatory issued the Hong Kong Observatory Calendar for the following year in the form of a wall calendar.
來源 《香港志·自然》自然環境(香港地方志中心) · p.396
1948-12-14 · 香港
On 14 December 1948, the World Meteorological Organization accepted the Hong Kong Observatory as a member.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.270
1949 · 香港天文台 · 日期僅記到年份
In 1949, the Observatory used an 8-inch standard rain gauge for observations, with a Dines tilting siphon recorder for comparison.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1949 · 香港 · 日期僅記到年份
From 1949, the Hong Kong Observatory began observations of minimum grass temperature and soil temperature at its headquarters.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.176
1949-12-01 · 香港天文台
From 1 December 1949, the Hong Kong Observatory used a glass mercury thermometer to measure minimum grass temperature.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1950 · 香港 · 日期僅記到年份
After the end of the Second World War, the Hong Kong Observatory resumed its study of typhoons, published 'Typhoons in Hong Kong' in the 1950s, and also published numerous related papers.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
1950 · 香港 · 日期僅記到年份
From the 1950s to the 1970s, the Hong Kong Observatory provided research assistance on many local engineering and development projects.
來源 《香港志·自然》自然環境(香港地方志中心) · p.411
1950 · 香港 · 日期僅記到年份
From the 1950s to the 1970s, the Hong Kong Observatory provided meteorological assistance on many construction projects including Kai Tak Airport, Plover Cove Reservoir, the cross-harbour tunnel and new towns.
來源 《香港志·自然》自然環境(香港地方志中心) · p.413
1950 · 香港 · 日期僅記到年份
From the 1950s onwards, the Hong Kong Observatory began analysing meteorological observation data and various climatic factors from 1884 onwards.
來源 《香港志·自然》自然環境(香港地方志中心) · p.411
1950 · 香港 · 日期僅記到年份
In the 1950s, the Hong Kong Observatory published 'Typhoons in Hong Kong'.
來源 《香港志·自然》自然環境(香港地方志中心) · p.407
1950 · 香港 · 日期僅記到年份
In the 1950s, the Hong Kong Observatory conducted rainfall statistics for Hong Kong and research on East Asian summer weather.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1950 · 啟德機場、石崗機場 · 日期僅記到年份
In the 1950s, the Hong Kong Observatory studied the effects of low cloud and low visibility on aviation at Kai Tak Airport and Shek Kong Airport.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1950-01-01 · 上水大龍實驗農場
From 1 January 1950, the Hong Kong Observatory, together with the Hong Kong Agriculture Department, began meteorological observations at the Ta Lung Experimental Farm in Sheung Shui.
來源 《香港志·自然》自然環境(香港地方志中心) · p.259
1950-01-06 · 香港天文台
From 6 January 1950, the Hong Kong Observatory used glass mercury thermometers to measure soil temperature at depths of 0.3 metres and 1.2 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1950-12-01 · 香港天文台
On 1 December 1950, the Observatory replaced the No.3336 barometer with a Fuess barometer, No.3478/46.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1951 · 香港天文台 · 日期僅記到年份
In 1951, Bonini (from the University of Wisconsin, USA) began gravity observations at the bottom of the staircase of the Seismological Monitoring Room of the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1951 · 香港天文台 · 日期僅記到年份
In 1951, Bonini from the University of Wisconsin, USA, commenced gravity observation work in the corridor of the Hong Kong Observatory Headquarters building.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1951-10-15 · 香港
From 15 October 1951, the Hong Kong Observatory, following the recommendation of the World Meteorological Organization, provided regional meteorological monitoring for the Hong Kong Flight Information Region during the day and issued warnings of hazardous weather.
來源 《香港志·自然》自然環境(香港地方志中心) · p.377
1952 · 香港 · 日期僅記到年份
In 1952 and 1953, the Hong Kong Observatory explained meteorological knowledge to the public through radio programmes for the first time.
來源 《香港志·自然》自然環境(香港地方志中心) · p.384
1952-12-01 · 橫瀾島
The Hong Kong Observatory began operating the Waglan Island meteorological station on 1 December 1952 to monitor weather in the eastern and western approach areas of Kai Tak Airport.
來源 《香港志·自然》自然環境(香港地方志中心) · p.379
1953 · 中國南海 · 日期僅記到年份
During 1953-54, the Hong Kong Observatory and the Royal Air Force in Hong Kong collaborated for the first time, deploying a Sunderland flying boat to conduct typhoon reconnaissance missions in the South China Sea.
來源 《香港志·自然》自然環境(香港地方志中心) · p.410
1953 · 香港 · 日期僅記到年份
From 1953 to 1954, the Hong Kong Observatory collaborated with universities to establish meteorological observation stations.
來源 《香港志·自然》自然環境(香港地方志中心) · p.384
1953 · 香港 · 日期僅記到年份
From 1953/54 onwards, the Hong Kong Observatory supplied weather charts and ship forecasts to all vessels leaving Hong Kong through the Port Control Office of the Marine Department.
來源 《香港志·自然》自然環境(香港地方志中心) · p.366
1953-12-01 · 香港天文台總部
According to records, the maximum temperature recorded at the Hong Kong Observatory Headquarters on 1 December 1953 was 28.7 degrees Celsius, the absolute maximum for that month.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1954 · 北角、鰂魚涌 · 日期僅記到年份
To monitor changes in the sea level of Victoria Harbour, the Hong Kong Observatory has installed instruments at North Point and Quarry Bay since 1954 to continuously monitor local tide levels.
來源 《香港志·自然》自然環境(香港地方志中心) · p.536
1954 · 香港 · 日期僅記到年份
From 1954 to 1955, the Hong Kong Observatory held meteorological lectures for the first time.
來源 《香港志·自然》自然環境(香港地方志中心) · p.384
1954 · 香港 · 日期僅記到年份
In 1954-55, the Hong Kong Observatory conducted meteorological condition analyses for hill fires and squatter hut fires for the Director of Forestry and the Commissioner for Resettlement respectively.
來源 《香港志·自然》自然環境(香港地方志中心) · p.412
1955 · 香港 · 日期僅記到年份
The Hong Kong Observatory published sunshine data in 1955, which contained information on solar angles.
來源 《香港志·自然》自然環境(香港地方志中心) · p.412
1955 · 太平山、歌賦山 · 日期僅記到年份
In 1955, the Hong Kong Observatory, together with the Waterworks Office, began a cloud-seeding study and set up three water-spray arrays on Victoria Peak and Mount Gough.
來源 《香港志·自然》自然環境(香港地方志中心) · p.411
1955-02-21 · 香港
Hong Kong Observatory data show that the lowest relative humidity of 13% was recorded at the Observatory Headquarters on 21 February 1955.
來源 《香港志·自然》自然環境(香港地方志中心) · p.292
1955-05 · 香港 · 日期僅記到月份
In May 1955, the Hong Kong Police Force lent an ocean radar to the Hong Kong Observatory; the radar was placed at the headquarters for use in artificial rain experiments.
來源 《香港志·自然》自然環境(香港地方志中心) · p.269
1955-05-14 · 香港
Data from the Hong Kong Observatory Headquarters show that the lowest relative humidity reading of 23% was recorded on 14 May 1955.
來源 《香港志·自然》自然環境(香港地方志中心) · p.292
1955-08-03 · 香港天文台總部
The absolute minimum temperature for August recorded at the Hong Kong Observatory Headquarters on 3 August 1955 was 21.6 degrees according to records.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1956-04-15 · 香港
On 15 April 1956, the Hong Kong Observatory introduced the Strong Wind Signal No. 3 and also added the Strong Monsoon Signal.
來源 《香港志·自然》自然環境(香港地方志中心) · p.630
1956-04-27 · 香港天文台總部
On 27 April 1956, the Hong Kong Observatory headquarters recorded the month's maximum temperature of 33.4 degrees.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1957 · 香港 · 日期僅記到年份
During 1957-58, the Hong Kong Observatory created additional office space in its building for Cable and Wireless, centralising the reception and transmission of various types of meteorological information.
來源 《香港志·自然》自然環境(香港地方志中心) · p.359
1958 · 香港天文台 · 日期僅記到年份
In 1958, Lawton from the University of Wisconsin in the United States conducted gravity observations at the bottom of the staircase of the Seismological Monitoring Room of the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1958 · 香港天文台 · 日期僅記到年份
In 1958, Lawton of the University of Wisconsin in the United States conducted gravity observations in the corridor of the Hong Kong Observatory headquarters building.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1959 · 香港 · 日期僅記到年份
The Hong Kong Observatory launched a summer internship for university students in 1959 to 1960, the first such activity held by the institution.
來源 《香港志·自然》自然環境(香港地方志中心) · p.384
1959-01-29 · 香港天文台總部
According to records of the Hong Kong Observatory Headquarters on 29 January 1959, the maximum temperature of that month reached 26.9 degrees Celsius that day.
來源 《香港志·自然》自然環境(香港地方志中心) · p.288
1959-07-25 · 香港天文台
From 1:00 p.m. on 25 July 1959, the Dines anemometer resumed normal operation.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1959-11 · 大老山 · 日期僅記到月份
In November 1959, the Hong Kong Observatory commissioned its first weather radar for daily operation at the Tate's Cairn weather radar station, a Decca Type 41 X-band radar.
來源 《香港志·自然》自然環境(香港地方志中心) · p.269
1959-11-19 · 香港天文台總部
Records show that on 19 November 1959, the Hong Kong Observatory Headquarters recorded 31.8 degrees Celsius, the absolute maximum temperature for November.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1960 · 香港 · 日期僅記到年份
Entering the 1960s, the Hong Kong Observatory compiled data on rainfall intensity for various time intervals and successfully completed a study on local probable maximum precipitation.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1960 · 鶴咀 · 日期僅記到年份
In the 1960s, the Hong Kong Observatory built a mock building at Cape D'Aguilar to collect weather-related data.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
1960 · 香港 · 日期僅記到年份
In the 1960s, the Hong Kong Observatory, together with the engineering sector and the University of Hong Kong, conducted joint research on extreme wind speeds and the design of buildings against typhoons.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
1960 · 香港 · 日期僅記到年份
Since the 1960s, the Hong Kong Observatory has not issued any warning for a tsunami.
來源 《香港志·自然》自然環境(香港地方志中心) · p.570
1960 · 香港 · 日期僅記到年份
From the 1960s to the 1970s, the Hong Kong Observatory studied the effects of pollutants emitted by power plants and industry on harbour visibility, airport operations and public health.
來源 《香港志·自然》自然環境(香港地方志中心) · p.412
1960 · 香港 · 日期僅記到年份
In the 1960s, the Hong Kong Observatory already had a tsunami warning system in operation.
來源 《香港志·自然》自然環境(香港地方志中心) · p.569
1960-06-09 · 香港
On 9 June 1960, Typhoon Mary struck Hong Kong, and the Hong Kong Observatory issued the No. 10 hurricane signal, which lasted nine hours; 45 people died, 11 were missing, and 127 were injured, while 814 fishing boats and six ocean-going vessels were damaged and 330 wooden huts collapsed.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.320
1960-12-31 · 香港天文台
From 31 December 1960, the Observatory ceased sunshine duration observations at its headquarters, and the work was transferred to the King's Park Meteorological Station.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1961 · 香港 · 日期僅記到年份
From 1961, the Hong Kong Observatory began environmental nuclear radiation monitoring.
來源 《香港志·自然》自然環境(香港地方志中心) · p.388
1961 · 京士柏、維也納 · 日期僅記到年份
From 1961 onwards, the Hong Kong Observatory sent rainwater samples collected at King's Park to the International Atomic Energy Agency in Vienna once every three months.
來源 《香港志·自然》自然環境(香港地方志中心) · p.404
1961 · 香港 · 日期僅記到年份
In 1961, the Hong Kong Observatory responded to a resolution of the World Meteorological Organization and began preparatory work for environmental radiation monitoring.
來源 《香港志·自然》自然環境(香港地方志中心) · p.402
1961-10 · 香港 · 日期僅記到月份
From October 1961, the Hong Kong Observatory, together with the Medical and Health Department, monitored local environmental radiation and atmospheric radioactive substances.
來源 《香港志·自然》自然環境(香港地方志中心) · p.402
1961-12-31 · 香港天文台
Starting from 31 December 1961, the Observatory ceased recording sunshine duration.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1962 · 香港 · 日期僅記到年份
From 1962, the Royal Observatory participated in a global radiation monitoring programme coordinated by the United Kingdom Atomic Energy Authority at Harwell.
來源 《香港志·自然》自然環境(香港地方志中心) · p.404
1962-01 · 香港 · 日期僅記到月份
From January 1962, the Royal Observatory developed its own equipment and conducted radiation monitoring independently, while sending some samples to Queen Mary Hospital for cross-checking.
來源 《香港志·自然》自然環境(香港地方志中心) · p.403
1962-06-01 · 香港
On 1 June 1962, during Typhoon Wanda's passage over Hong Kong, the highest gust recorded at the Royal Observatory headquarters reached 259 kilometres per hour.
來源 《香港志·自然》自然環境(香港地方志中心) · p.297
1962-08 · 香港 · 日期僅記到月份
In August 1962, the Royal Observatory procured radiation detection instruments from overseas.
來源 《香港志·自然》自然環境(香港地方志中心) · p.403
1962-09-01 · 香港
On 1 September 1962, during Typhoon Wanda, the Royal Observatory headquarters recorded the year's lowest hourly mean sea-level pressure at 955.1 hectopascals.
來源 《香港志·自然》自然環境(香港地方志中心) · p.295
1963 · 英國哈威爾 · 日期僅記到年份
In 1963, the Hong Kong Observatory installed instruments purchased from abroad, enhancing its detection capabilities; some samples were sent to Harwell in the United Kingdom for analysis by the Atomic Energy Research Establishment.
來源 《香港志·自然》自然環境(香港地方志中心) · p.403
1963 · 京士柏氣象站 · 日期僅記到年份
Starting from 1963 to 1964, the Hong Kong Observatory added observations of minimum grass temperature and soil temperature at this meteorological station.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.177
1963-05-31 · 香港天文台總部
On 31 May 1963, the maximum temperature recorded at the Royal Observatory headquarters for that month was 35.5 degrees Celsius, the absolute maximum for the month.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1963-09-05 · 香港天文台總部
Records show that on 5 September 1963, the Hong Kong Observatory Headquarters recorded 35.2 degrees Celsius, the highest temperature for September since records began.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1964-09-05 · 香港
During the passage of Typhoon Ruby over Hong Kong on 5 September 1964, the Hong Kong Observatory headquarters recorded the year's lowest hourly mean sea-level pressure reading of 971.0 hectopascals.
來源 《香港志·自然》自然環境(香港地方志中心) · p.295
1965 · 香港 · 日期僅記到年份
From 1965 onwards, the Hong Kong Observatory published its Radiation Report monthly to release radiation monitoring data to the public.
來源 《香港志·自然》自然環境(香港地方志中心) · p.403
1965-05 · 香港 · 日期僅記到月份
In May 1965, the Hong Kong Observatory, on the recommendation of the World Meteorological Organization, added instruments specifically to measure gamma radiation levels.
來源 《香港志·自然》自然環境(香港地方志中心) · p.403
1966 · 香港 · 日期僅記到年份
In 1966, with the commissioning of its second-generation radar, the Hong Kong Observatory began research into quantitative rainfall forecasting.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1968 · 天文台總部 · 日期僅記到年份
Between 1968 and 2020, the Hong Kong Observatory Headquarters observed 14 days with haze reducing visibility to 2,000 metres or less.
來源 《香港志·自然》自然環境(香港地方志中心) · p.310
1968 · 天文台總部 · 日期僅記到年份
Between 1968 and 2020, the Hong Kong Observatory Headquarters recorded a total of 12 days with dense fog.
來源 《香港志·自然》自然環境(香港地方志中心) · p.309
1968 · 香港 · 日期僅記到年份
At least since 1968, the Hong Kong Observatory Calendar has presented the Chinese and Western calendars side by side.
來源 《香港志·自然》自然環境(香港地方志中心) · p.396
1968-01-13 · 香港
Hong Kong Observatory data show that haze was recorded at the Observatory Headquarters on 13 January 1968, with horizontal visibility of 1500 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.312
1968-07-25 · 香港
According to Hong Kong Observatory records, the lowest relative humidity recorded at the Observatory Headquarters on 25 July 1968 was 43%.
來源 《香港志·自然》自然環境(香港地方志中心) · p.292
1968-10-25 · 香港
Hong Kong Observatory records show that the absolute lowest relative humidity measured at the Observatory Headquarters on 25 October 1968 was 21%.
來源 《香港志·自然》自然環境(香港地方志中心) · p.293
1969 · 香港 · 日期僅記到年份
In 1969, the Hong Kong Observatory held its first open day.
來源 《香港志·自然》自然環境(香港地方志中心) · p.384
1969 · 香港 · 日期僅記到年份
From 1969 to 1975, the Hong Kong Observatory successively established point-to-point meteorological links with Tokyo, Bangkok and Beijing.
來源 《香港志·自然》自然環境(香港地方志中心) · p.243
1969-03-18 · 香港
On 18 March 1969, the Hong Kong Observatory, in cooperation with Television Broadcasts Limited, broadcast an annular solar eclipse live for the first time.
來源 《香港志·自然》自然環境(香港地方志中心) · p.400
1969-04-05 · 香港天文台總部
On 5 April 1969, the Observatory Headquarters recorded an absolute minimum April temperature of 9.9 degrees.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1970 · 香港 · 日期僅記到年份
Entering the 1970s, the Hong Kong Observatory developed a "space averaging" technique that greatly extended the forecast lead time for tropical cyclones from 24 hours to 72 hours.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1970 · 香港 · 日期僅記到年份
Entering the 1970s, the Hong Kong Observatory began exploring objective forecasting techniques for tropical cyclone movement while improving accuracy through bias correction.
來源 《香港志·自然》自然環境(香港地方志中心) · p.408
1970 · 沙田 · 日期僅記到年份
In 1970, the Hong Kong Observatory established a meteorological warning for the Shing Mun River called the "Shing Mun River Flood Warning".
來源 《香港志·自然》建置與地區概況(人口)(香港地方志中心) · p.141
1970 · 香港 · 日期僅記到年份
From the mid-1970s to the 1980s, the Hong Kong Observatory studied the rainfall distribution of tropical cyclones, wind speed forecasting techniques at various anemometer stations, cyclone structure and their formation mechanisms.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1970 · 香港 · 日期僅記到年份
In the 1970s, the Hong Kong Observatory studied cold surges, troughs and rainfall mechanisms associated with tropical cyclones.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1970 · 香港 · 日期僅記到年份
In the mid-1970s, the Hong Kong Observatory used the strength of the winter monsoon as a basis for estimating the rainfall of the following summer.
來源 《香港志·自然》自然環境(香港地方志中心) · p.411
1970-07 · 香港天文台 · 日期僅記到月份
In July 1970, gravity observations were carried out at the bottom of the staircase of the earthquake monitoring room of the Hong Kong Observatory as part of the International Gravity Standardization Net 1971.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1970-07 · 香港天文台 · 日期僅記到月份
In July 1970, gravity observations for the International Gravity Standardization Net 1971 were carried out in the corridor of the Hong Kong Observatory headquarters building.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1971 · 香港天文台總部、京士柏 · 日期僅記到年份
Records from the Hong Kong Observatory Headquarters and King's Park Meteorological Station covering 1971 to 2020 show a grass surface temperature increase of 5 to 6 degrees Celsius per century at that location.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.215
1971 · 香港 · 日期僅記到年份
Over the 50 years from 1971 to 2020, the Hong Kong Observatory Headquarters and King's Park Meteorological Station recorded a rise in minimum grass temperature of 5.0 to 6.0 degrees Celsius per century.
來源 《香港志·自然》自然環境(香港地方志中心) · p.342
1971-02 · 大老山 · 日期僅記到月份
Funded by the Nuffield Foundation, the Hong Kong Observatory and the Department of Physics of the University of Hong Kong collaborated to build a geomagnetic observatory at Tate's Cairn in February 1971.
來源 《香港志·自然》自然環境(香港地方志中心) · p.208
1972-06-18 · 香港
On 18 June 1972, the Hong Kong Observatory recorded 232.6 mm of rainfall in a single day; from 16 to 18 June the cumulative total was 652.3 mm, the highest three-day rainfall since 1889.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.377
1973 · 日期僅記到年份
From 1973 onwards, the Hong Kong Observatory provided rainfall prediction.
來源 《香港志·自然》環境保護與生態保育(香港地方志中心) · p.41
1973-03-31 · 香港天文台總部
On 31 March 1973, the Royal Observatory headquarters recorded a maximum temperature of 30.1 degrees for that month, the highest figure ever recorded for March.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1973-10-28 · 香港
Data recorded by the Hong Kong Observatory show that the lowest relative humidity recorded at the Observatory Headquarters on 28 October 1973 was 21%.
來源 《香港志·自然》自然環境(香港地方志中心) · p.293
From 19 January 1974, the Hong Kong Observatory began issuing weather information called the "Sunday Outlook" at noon every Sunday.
來源 《香港志·自然》自然環境(香港地方志中心) · p.370
1975-12-14 · 香港天文台總部
According to records, the lowest temperature measured at the Hong Kong Observatory Headquarters on 14 December 1975 for that month was 4.3 degrees Celsius.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1976 · 啟德機場 · 日期僅記到年份
In 1976, the Hong Kong Observatory joined hands with members of the aviation industry to develop a low-level windshear detection device for Kai Tak Airport.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1976-11-01 · 香港天文台
From 1 November 1976, the Hong Kong Observatory ceased recording soil temperatures at depths of 0.3 metres and 1.2 metres at both the Observatory Headquarters and King's Park.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1977-10-12 · 香港天文台
On 12 October 1977, the Hong Kong Observatory used newly installed glass mercury thermometers at a depth of 3 metres underground to measure soil temperature.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1978 · 香港 · 日期僅記到年份
The Hong Kong Observatory, in its official capacity as the timekeeping authority, explained the reason for the date error and confirmed the correct date of the Mid-Autumn Festival.
來源 《香港志·自然》自然環境(香港地方志中心) · p.396
1978 · 香港 · 日期僅記到年份
Regarding the calculation of the date of the 1978 Mid-Autumn Festival, the Hong Kong Observatory and the Calendar Calculation Group of the Purple Mountain Observatory of the Chinese Academy of Sciences reached the same conclusion.
來源 《香港志·自然》自然環境(香港地方志中心) · p.396
1978-01 · 香港 · 日期僅記到月份
From January 1978, the Hong Kong Observatory established a dedicated unit to provide applied meteorological research assistance to government departments and consultant firms.
來源 《香港志·自然》自然環境(香港地方志中心) · p.412
1978-04-11 · 香港
According to records of the Hong Kong Observatory headquarters, dense fog was recorded on 11 April 1978, with visibility of only 100 metres that day.
來源 《香港志·自然》自然環境(香港地方志中心) · p.311
1978-07 · 日期僅記到月份
From July 1978, the Hong Kong Observatory began testing the reception of low-resolution cloud images transmitted by GMS.
來源 《香港志·自然》自然環境(香港地方志中心) · p.276
1978-07-26 · 香港
At 9:15 a.m. on 26 July 1978, Typhoon Agnes struck Hong Kong, and the Hong Kong Observatory issued the No. 8 Northeast Gale or Storm Signal.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.414
1978-10-01 · 香港天文台
On 1 October 1978, the Hong Kong Observatory used a new glass mercury thermometer to measure soil temperature at 0.05 metres below ground.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1978-10-30 · 香港天文台總部
On 30 October 1978, the Hong Kong Observatory Headquarters recorded an absolute minimum temperature of 13.5 degrees for October.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1978-12 · 中國南海北部 · 日期僅記到月份
In December 1978, the Hong Kong Observatory used Royal Hong Kong Auxiliary Air Force fixed-wing aircraft to conduct detection in the northern part of the South China Sea during the World Meteorological Organization's Winter Monsoon Experiment.
來源 《香港志·自然》自然環境(香港地方志中心) · p.410
1979 · 赤鱲角 · 日期僅記到年份
The Hong Kong Observatory participated in the new airport feasibility study from 1979 to 1982 and carried out meteorological and oceanographic studies at Chek Lap Kok.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1979-04-08 · 香港
According to the Hong Kong Observatory's historical climate records, dense fog occurred at the Observatory Headquarters on 8 April 1979, with visibility recorded at 100 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.311
1979-09-08 · 香港天文台
From 8 September to 14 November 1979, a team led by Japanese Ichiro Nakagawa conducted gravity observations at the bottom of the staircase of the Seismological Monitoring Room of the Hong Kong Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1980 · 赤鱲角 · 日期僅記到年份
Entering the late 1980s, the Hong Kong Observatory continued its uninterrupted research on wind shear and turbulence at Chek Lap Kok.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1980 · 中國南海 · 日期僅記到年份
In the late 1980s, the Hong Kong Observatory studied the impact of the United States' termination of aircraft reconnaissance missions in 1987 on tropical cyclone forecasting in the South China Sea.
來源 《香港志·自然》自然環境(香港地方志中心) · p.411
1980 · 香港 · 日期僅記到年份
In response to the construction of the Daya Bay Nuclear Power Station, the Hong Kong Observatory launched an environmental radiation monitoring programme in two phases in the 1980s.
來源 《香港志·自然》自然環境(香港地方志中心) · p.404
1980 · 中國南海 · 日期僅記到年份
In the 1980s, the Hong Kong Observatory provided assistance for the development of oilfields in the South China Sea and conducted research on maximum wind speeds at sea.
來源 《香港志·自然》自然環境(香港地方志中心) · p.412
1980 · 香港 · 日期僅記到年份
In the mid-1980s, the Hong Kong Observatory used data provided by radar and satellites to study the mesoscale evolution of precipitation.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1980 · 香港天文台總部 · 日期僅記到年份
Since the 1980s, meteorological monitoring at the Hong Kong Observatory headquarters has gradually shifted to automated operation.
來源 《香港志·自然》自然環境(香港地方志中心) · p.251
1980-09-07 · 香港天文台
A team led by Ichiro Nakagawa conducted gravity surveys at the lowest level of the staircase of the seismic monitoring room of the Hong Kong Observatory from 7 September to 10 November 1980.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1981 · 香港 · 日期僅記到年份
Apart from the Environmental Protection Agency, the Labour Department, Agriculture and Fisheries Department, Marine Department, Hong Kong Observatory, and the Engineering Development Department and Municipal Services Branch each had separate dedicated units responsible for different pollution control duties at the time.
來源 《香港志·自然》環境保護與生態保育(香港地方志中心) · p.34
1982 · 香港天文台 · 日期僅記到年份
In 1982, the Observatory installed an identical MK4 anemometer on the roof of the Centenary Building as a backup, with the centre of the cups at 73.8 m above sea level.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1982-01 · 香港天文台 · 日期僅記到月份
From January to May 1982, wind speed measurement at the Observatory headquarters was suspended and replaced by records from Kai Tak Airport.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1982-05-07 · 香港天文台
From 7 May 1982, the Hong Kong Observatory used a platinum resistance thermometer for temperature measurement, with the data obtained automatically displayed on an electronic screen.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1982-05-07 · 香港天文台
At 14:00 on 7 May 1982, the barometer was moved to the Forecasting Headquarters on the top floor of the Observatory's Centenary Building, at a height of 62 m above sea level.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1982-05-29 · 香港
By 10 a.m. on 29 May 1982, the 24-hour rainfall recorded at the Hong Kong Observatory headquarters reached 394.3 millimetres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.300
1982-06-01 · 香港天文台
After 1 a.m. on 1 June 1982, an MK4 cup anemometer began operation west of the Observatory Headquarters, with the centre of its cups at 71.7 metres above sea level.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1983 · 香港 · 日期僅記到年份
In 1983, the Hong Kong Observatory issued stamps for the first time.
來源 《香港志·自然》自然環境(香港地方志中心) · p.384
1983 · 香港 · 12月10日
On 10 December 1983, the Hong Kong Observatory submitted a funding request to the Government to purchase radiation monitoring equipment so as to reassure the people of Hong Kong.
來源 《香港志·自然》環境保護與生態保育(香港地方志中心) · p.547
1983 · 京士柏 · 日期僅記到年份
According to observations at the Hong Kong Observatory's King's Park meteorological station, between 1983 and 2013 the annual solar radiation there ranged from a minimum of 11.8 MJ/m2 to a maximum of 14.5 MJ/m2, with an average of 13 MJ/m2, the highest value being recorded in July.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.82
1985-03-03 · 香港
Observations at the Hong Kong Observatory headquarters showed that dense fog occurred on 3 March 1985, with visibility of only 100 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.311
1985-06-12 · 香港
According to Hong Kong Observatory records, the daily rainfall at the Observatory Headquarters on 12 June 1985 reached 320.9 millimetres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.300
1986 · 京士柏 · 日期僅記到年份
In 1986, the Hong Kong Observatory established a laboratory at King's Park equipped with radiation measuring instruments for conducting radioactivity analysis of samples.
來源 《香港志·自然》自然環境(香港地方志中心) · p.404
1986 · 香港 · 日期僅記到年份
This tropical cyclone marked the first time since records began that the Hong Kong Observatory issued warning signals three times within less than 30 days.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.467
1986-03-01 · 香港天文台總部
On 1 March 1986, the Observatory headquarters recorded an absolute minimum temperature for March of 4.8 degrees.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1986-04-15 · 香港
According to the dense fog observation data of the Hong Kong Observatory headquarters, the visibility recorded on 15 April 1986 was 100 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.311
1987 · 香港 · 日期僅記到年份
In 1987, the Hong Kong Observatory began to explore the feasibility of using global models for rainstorm forecasting.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1987-03-31 · 香港
Records of the Hong Kong Observatory show that on 31 March 1987, the Observatory Headquarters was shrouded in dense fog with visibility of only 100 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.311
1988 · 香港 · 日期僅記到年份
From 1988 onwards, the Hong Kong Observatory used a radiation survey vehicle to travel across the territory to collect samples and detect ambient radiation levels.
來源 《香港志·自然》自然環境(香港地方志中心) · p.404
1988 · 大老山 · 日期僅記到年份
In 1988 and 1990, the Hong Kong Observatory borrowed instruments from the British Royal Navy to measure geomagnetism at Tai Mo Shan in order to update the magnetic declination data on airport maps.
來源 《香港志·自然》自然環境(香港地方志中心) · p.208
1988 · 香港 · 日期僅記到年份
In 1988, the Hong Kong Observatory reviewed the annual mean temperature of Hong Kong from 1884 to 1987, and the results showed a clear upward trend during that period.
來源 《香港志·自然》自然環境(香港地方志中心) · p.411
1988-08-31 · 香港
At the time of the airliner accident, the Hong Kong Observatory had issued a thunderstorm warning.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.479
1989 · 船灣淡水湖 · 日期僅記到年份
In 1989, the Hong Kong Observatory conducted the first measurement of cosmic ray radiation intensity at Plover Cove Reservoir.
來源 《香港志·自然》自然環境(香港地方志中心) · p.405
1989 · 香港 · 日期僅記到年份
The construction of the Daya Bay Nuclear Power Station prompted the Hong Kong Observatory to publish, from 1989, a series of technical reports on environmental radiation monitoring in phases.
來源 《香港志·自然》自然環境(香港地方志中心) · p.403
1989-01-01 · 香港天文台
On 1 January 1989, the Observatory replaced the 8-inch standard rain gauge with a 203 mm rain gauge on the 8.5-metre lawn in front of the main building.
來源 《香港志·自然》自然環境(香港地方志中心) · p.673
1989-05-20 · 香港
According to Hong Kong Observatory records, the daily rainfall measured at the Observatory Headquarters on 20 May 1989 was 322.8 millimetres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.300
1989-05-29 · 香港
According to Hong Kong Observatory records, the daily rainfall measured at the Observatory Headquarters on 29 May 1989 was 320.6 millimetres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.300
1989-07-30 · 香港天文台總部
According to records of the Hong Kong Observatory Headquarters, the absolute minimum temperature for July recorded on 30 July 1989 was 21.7 degrees.
來源 《香港志·自然》自然環境(香港地方志中心) · p.289
1990 · 香港天文台總部 · 日期僅記到年份
To coordinate the monitoring and assessment of sudden radiation incidents, the Hong Kong Observatory established the Radiation Monitoring and Assessment Centre at its headquarters in 1990.
來源 《香港志·自然》自然環境(香港地方志中心) · p.405
1990 · 日期僅記到年份
In 1990, the Hong Kong Observatory joined a multinational collaborative programme called SPECTRUM to conduct research on the observation of tropical cyclones.
來源 《香港志·自然》自然環境(香港地方志中心) · p.420
1990 · 香港天文台 · 日期僅記到年份
In 1990, the observed value at the gravity base station of the Hong Kong Observatory Headquarters building was 978,754.47±0.028.
來源 《香港志·自然》自然環境(香港地方志中心) · p.665
1990 · 香港 · 日期僅記到年份
In the 1990s, the Hong Kong Observatory studied the relationship of El Niño and La Niña with Hong Kong's rainfall, temperature, and the number of tropical cyclones affecting Hong Kong.
來源 《香港志·自然》自然環境(香港地方志中心) · p.411
1990 · 赤鱲角 · 日期僅記到年份
In the 1990s, the Hong Kong Observatory studied wind shear and turbulence detection systems for the new airport at Chek Lap Kok.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1991 · 香港天文台總部 · 日期僅記到年份
The annual mean soil temperature at a depth of 0.5 m at 7 a.m. recorded at the Hong Kong Observatory Headquarters from 1991 to 2020 was 25.2 degrees.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.194
1991 · 香港天文台總部 · 日期僅記到年份
The Hong Kong Observatory Headquarters recorded an annual average soil temperature of 25.5 degrees at a depth of 1.5 metres at 7 p.m. from 1991 to 2020.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.194
1991 · 香港天文台總部 · 日期僅記到年份
Data recorded at the Hong Kong Observatory Headquarters show that from 1991 to 2020, the annual mean temperature at a depth of 1.0 m measured at 7 a.m. was 25.4 degrees.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.194
1991 · 香港天文台總部 · 日期僅記到年份
Data recorded at the Hong Kong Observatory Headquarters shows that from 1991 to 2020, the annual average soil temperature measured at a depth of 0.5 metres at 7 p.m. reached 25.1 degrees.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.194
1991 · 香港天文台總部 · 日期僅記到年份
Data recorded at the Hong Kong Observatory Headquarters show that from 1991 to 2020, the annual mean temperature at a depth of 1.0 m at 7 p.m. was 25.4 degrees.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.194
1991 · 香港天文台總部 · 日期僅記到年份
Observations at the Hong Kong Observatory Headquarters from 1991 to 2020 show that the annual average soil temperature measured at a depth of 1.5 metres at 7 a.m. daily was 25.5 degrees.
來源 《香港志·自然》自然資源與生態(香港地方志中心) · p.194
1991-02-14 · 香港
According to Hong Kong Observatory data, a visibility of 100 metres was recorded at the Hong Kong Observatory Headquarters on 14 February 1991, reflecting dense fog that day.
來源 《香港志·自然》自然環境(香港地方志中心) · p.311
1991-04-02 · 香港
On 2 April 1991, the minimum mean sea level pressure measured at the Hong Kong Observatory Headquarters was 999.9 hectopascals.
來源 《香港志·自然》自然環境(香港地方志中心) · p.294
1991-12-28 · 香港
On 28 December 1991, the Hong Kong Observatory issued a frost warning for the first time.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.360
1992 · 香港 · 日期僅記到年份
Before 1992, the highest one-hour rainfall recorded at the Hong Kong Observatory headquarters took more than thirty years to be broken.
來源 《香港志·自然》自然環境(香港地方志中心) · p.339
1992-04-01 · 香港
Hong Kong Observatory data show that on 1 April 1992 dense fog was recorded at the Observatory headquarters, with visibility as low as 100 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.311
1992-04-11 · 香港
Hong Kong Observatory records show that on 11 April 1992 the Observatory headquarters was shrouded in dense fog, with visibility as low as 100 metres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.311
1992-06-17 · 香港
The Hong Kong Observatory implemented the Rainstorm Warning Signal system on 17 June 1992, with four levels indicated by the colours green, yellow, red and black.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.502
1992-07-31 · 香港天文台
On 31 July 1992, the Observatory removed the MK4 anemometer on the west side of its headquarters and switched to the MK4 anemometer on the roof of the Centenary Building.
來源 《香港志·自然》自然環境(香港地方志中心) · p.674
1993 · 香港 · 日期僅記到年份
In 1993, the Hong Kong Observatory expanded the coverage of its radiation monitoring network, increasing the number of fixed monitoring stations to ten.
來源 《香港志·自然》自然環境(香港地方志中心) · p.405
1993 · 京士柏 · 日期僅記到年份
In 1993, the Hong Kong Observatory began high-altitude radiation measurement at King's Park using balloon-borne radiation detection instruments, the first such operation by the Observatory.
來源 《香港志·自然》自然環境(香港地方志中心) · p.405
1993-10 · 京士柏 · 日期僅記到月份
From October 1993, the Hong Kong Observatory began regular upper-air ozone monitoring at the King's Park meteorological station.
來源 《香港志·自然》自然環境(香港地方志中心) · p.328
1994 · 香港 · 日期僅記到年份
Records from the Hong Kong Observatory show that from 1994 to 2013, the annual average total ozone column from the ground to the top of the atmosphere was 264 DU.
來源 《香港志·自然》自然環境(香港地方志中心) · p.331
1995-05 · 香港天文台 · 日期僅記到月份
In May 1995, the Hong Kong Observatory measured the minimum grass temperature with a platinum resistance thermometer, and the readings were automatically displayed on an electronic screen.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1995-05 · 香港天文台 · 日期僅記到月份
Since May 1995, the Hong Kong Observatory has measured soil temperature with a platinum resistance thermometer, and the readings are automatically displayed on an electronic screen.
來源 《香港志·自然》自然環境(香港地方志中心) · p.672
1996 · 香港 · 日期僅記到年份
From 1996 onwards, the Hong Kong Observatory began uploading local meteorological observation records to its official website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1996 · 香港 · 日期僅記到年份
From 1996 onwards, the Hong Kong Observatory added weather reports for the South China Sea to its website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1996 · 香港 · 日期僅記到年份
In 1996, the Hong Kong Observatory introduced local weather forecasts to its website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1996 · 香港 · 日期僅記到年份
In 1996, the Hong Kong Observatory website added marine weather forecast information.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1996 · 香港 · 日期僅記到年份
In 1996, the Hong Kong Observatory website added information on meteorological satellite images.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1996 · 香港 · 日期僅記到年份
In 1996, the Hong Kong Observatory website added a three-day weather forecast.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1996 · 香港 · 日期僅記到年份
In 1996, the Hong Kong Observatory website added information on astronomical phenomena.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1996 · 大鵬灣平洲 · 日期僅記到年份
In 1996, the Hong Kong Observatory collected air particle and gaseous iodine samples at Ping Chau in Mirs Bay and established an automatic gamma spectrometry system.
來源 《香港志·自然》自然環境(香港地方志中心) · p.405
1996-01 · 日期僅記到月份
Starting from January 1996, the Hong Kong Observatory has continuously submitted ozone data to the Global Atmosphere Watch programme.
來源 《香港志·自然》自然環境(香港地方志中心) · p.328
1996-01-22 · 香港
According to records of the Hong Kong Observatory headquarters, haze was recorded on 22 January 1996, with visibility of 2,000 metres that day.
來源 《香港志·自然》自然環境(香港地方志中心) · p.312
1997 · 香港 · 日期僅記到年份
In 1997, the Hong Kong Observatory added tropical cyclone warnings and track charts to its official website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1997 · 香港 · 日期僅記到年份
In 1997, the Hong Kong Observatory developed the "Little Vortex" nowcasting system.
來源 《香港志·自然》自然環境(香港地方志中心) · p.409
1997 · 香港 · 日期僅記到年份
In 1997, the "Friends of the Observatory" newsletter was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1997 · 香港 · 日期僅記到年份
In 1997, tidal predictions were added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1997 · 香港 · 日期僅記到年份
In 1997, earthquake news releases were added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1997 · 香港 · 日期僅記到年份
In 1997, television weather programmes were added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1997 · 香港 · 日期僅記到年份
In 1997, a four-day weather forecast was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1997 · 香港 · 日期僅記到年份
In 1997, weather charts were added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1997 · 香港 · 日期僅記到年份
In 1997, information on the greenhouse effect was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1997-07-01 · 香港
The Director of the Hong Kong Observatory has been appointed as the permanent representative of Hong Kong, China to the World Meteorological Organization.
來源 《香港志·自然》自然環境(香港地方志中心) · p.246
1997-07-01 · 香港
From 1 July 1997, the Hong Kong Observatory reverted to its original name, and the title of Royal Observatory was no longer used.
來源 《香港志·自然》自然環境(香港地方志中心) · p.242
1997-08-02 · 香港
On 2 August 1997, during the passage of Typhoon Victor over Hong Kong, the Observatory Headquarters recorded the year's lowest hourly mean sea level pressure of 973.7 hectopascals.
來源 《香港志·自然》自然環境(香港地方志中心) · p.295
1997-11-25 · 香港
Lam Hung-kwan, Director of the Hong Kong Observatory, was elected Chairman of the Typhoon Committee at the meeting and received the Prevention of Natural Disasters Award.
來源 《香港志·總述 大事記》(公元前 5000 年至 2017 年,共 6,500 多條大事)(香港地方志中心) · p.557
1998 · 香港 · 日期僅記到年份
In 1998, the Hong Kong Observatory added a 48-hour temperature time series to its official website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1998 · 香港 · 日期僅記到年份
In 1998, the Hong Kong Observatory added weather forecast information for major Chinese cities to its official website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1998 · 香港 · 日期僅記到年份
In 1998, the Hong Kong Observatory added weather forecast information for various regions of Guangdong Province to its website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1998 · 香港 · 日期僅記到年份
In 1998, the Hong Kong Observatory began providing weather information for a number of major cities around the world on its website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1998 · 香港 · 日期僅記到年份
During the 1998/99 financial year, the Hong Kong Observatory charged the Airport Authority for services provided, involving an amount of HK$65.48 million, which was subsequently transferred in full to the Government Treasury.
來源 《香港志·自然》自然環境(香港地方志中心) · p.381
1998 · 香港 · 日期僅記到年份
Since 1998, the Hong Kong Observatory has used an aerial radiation monitoring system to carry out aerial radiation surveys within Hong Kong.
來源 《香港志·自然》自然環境(香港地方志中心) · p.405
1998 · 香港 · 日期僅記到年份
In 1998, a local rainfall distribution map was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1998 · 香港 · 日期僅記到年份
In 1998, information on the El Nino phenomenon was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1998 · 香港 · 日期僅記到年份
In 1998, educational resources were added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1998 · 香港 · 日期僅記到年份
In 1998, a computer clock calibration function was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1998-06-09 · 香港
At 6 pm on 9 June 1998, the Hong Kong Observatory Headquarters recorded a 24-hour cumulative rainfall of 428.4 millimetres.
來源 《香港志·自然》自然環境(香港地方志中心) · p.300
1999 · 香港 · 日期僅記到年份
The Hong Kong Observatory and Radio Television Hong Kong jointly produced a television documentary series titled "Weather Around Us", released in four instalments in 1999, 2001, 2005 and 2014 respectively.
來源 《香港志·自然》自然環境(香港地方志中心) · p.386
1999 · 大帽山 · 日期僅記到年份
In 1999, the Hong Kong Observatory installed another S-band Doppler weather radar at Tai Mo Shan, the second of its kind.
來源 《香港志·自然》自然環境(香港地方志中心) · p.271
1999 · 香港 · 日期僅記到年份
Since 1999, the Hong Kong Observatory has added a warnings and signals database to its official website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1999 · 香港 · 日期僅記到年份
In 1999, an isohyet map was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1999 · 香港 · 日期僅記到年份
In 1999, regional weather information was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1999 · 香港 · 日期僅記到年份
In 1999, a daily weather summary was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1999 · 香港 · 日期僅記到年份
In 1999, a morning weather programme was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1999 · 香港 · 日期僅記到年份
In 1999, the UV index was added to the Hong Kong Observatory website.
來源 《香港志·自然》自然環境(香港地方志中心) · p.680
1999-10 · 香港 · 日期僅記到月份
Since October 1999, the Hong Kong Observatory has issued ultraviolet index information to the public.
來源 《香港志·自然》自然環境(香港地方志中心) · p.265
呢一期條目引用 5 個已登記來源(一律《香港志》電子書同官方刊物本身,唔會引用二手轉述)。
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