Waglan Island is a member of the Po Toi group of islandsinHong Kong. It hosts a ground of meteorological observation and recording.
橫瀾島
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Waglan Island and the Po Toi group of islands
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Location of Waglan Island within Hong Kong
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| Geography | |
| Location | South China Sea |
| Area | 0.104 km2 (0.040 sq mi) |
| Administration | |
| District | Islands District |
| Demographics | |
| Population | 0 |
| Waglan Island | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Traditional Chinese | 橫瀾島 | ||||||||||||
| Simplified Chinese | 横澜岛 | ||||||||||||
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| Climate data for Waglan Island (1991–2020) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 28.5 (83.3) |
28.8 (83.8) |
32.3 (90.1) |
33.4 (92.1) |
37.9 (100.2) |
38.4 (101.1) |
37.7 (99.9) |
38.1 (100.6) |
36.9 (98.4) |
35.1 (95.2) |
33.1 (91.6) |
29.9 (85.8) |
38.4 (101.1) |
| Mean daily maximum °C (°F) | 18.5 (65.3) |
18.8 (65.8) |
20.9 (69.6) |
24.9 (76.8) |
28.5 (83.3) |
30.6 (87.1) |
31.4 (88.5) |
31.4 (88.5) |
30.9 (87.6) |
28.4 (83.1) |
24.6 (76.3) |
20.4 (68.7) |
25.8 (78.4) |
| Daily mean °C (°F) | 15.7 (60.3) |
16.2 (61.2) |
18.3 (64.9) |
22.0 (71.6) |
25.5 (77.9) |
27.8 (82.0) |
28.3 (82.9) |
28.1 (82.6) |
27.6 (81.7) |
25.3 (77.5) |
21.8 (71.2) |
17.7 (63.9) |
22.9 (73.1) |
| Mean daily minimum °C (°F) | 14.0 (57.2) |
14.5 (58.1) |
16.6 (61.9) |
20.2 (68.4) |
23.7 (74.7) |
25.7 (78.3) |
26.1 (79.0) |
25.9 (78.6) |
25.5 (77.9) |
23.6 (74.5) |
20 (68) |
15.8 (60.4) |
21.0 (69.8) |
| Record low °C (°F) | 3.4 (38.1) |
6.0 (42.8) |
7.8 (46.0) |
10.2 (50.4) |
17.4 (63.3) |
20.2 (68.4) |
21.5 (70.7) |
21.7 (71.1) |
18.7 (65.7) |
16.1 (61.0) |
9.8 (49.6) |
4.4 (39.9) |
3.4 (38.1) |
| Average precipitation mm (inches) | 23.8 (0.94) |
26.2 (1.03) |
45.8 (1.80) |
102.0 (4.02) |
167.7 (6.60) |
215.4 (8.48) |
184.6 (7.27) |
207.3 (8.16) |
173.4 (6.83) |
47.3 (1.86) |
26.2 (1.03) |
16.0 (0.63) |
1,235.7 (48.65) |
| Average relative humidity (%) | 76.4 | 82.0 | 85.0 | 86.9 | 86.9 | 86.1 | 85.7 | 86.8 | 81.0 | 74.4 | 74.8 | 72.0 | 81.5 |
| Source: Hong Kong Observatory[1] | |||||||||||||
AWaglan lighthouse in the 1910s
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| Location | Waglan Island, Hong Kong |
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| Coordinates | 22°10′55″N 114°18′10″E / 22.181991°N 114.302880°E / 22.181991; 114.302880 |
| Tower | |
| Constructed | 1893 |
| Construction | cast iron tower |
| Automated | 1989 |
| Height | 16 metres (52 ft) |
| Shape | cylindrical tower with balcony and lantern |
| Markings | white tower with a horizontal red band under the balcony, white lantern |
| Heritage | declared monuments of Hong Kong  |
| Fog signal | two blasts every 60s. |
| Light | |
| Focal height | 69 metres (226 ft) |
| Range | 24 nautical miles (44 km; 28 mi) |
| Characteristic | Fl (2) W 20s. |
| Hong Kong no. | HK-102[2] |
The Waglan Lighthouse on Waglan Island has been listed as a declared monument of Hong Kong since 2000. It commenced operation in 1893; it is one of the five surviving pre-war lighthouses in Hong Kong.[3]
Islands22°10′55″N 114°18′12″E / 22.18194°N 114.30333°E / 22.18194; 114.30333
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