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Hong Kong Observatory Open Data

Name of Dataset Frequency of Update (e.g. real-time; daily; weekly; monthly ...) Description
Gridded rainfall nowcast in Hong Kong Every 12 Minutes Provide half-hourly gridded rainfall nowcast data in Hong Kong up to the next two hours
Daily total rainfall Monthly Data on daily total rainfall (Please visit the reference link for other climate information)
Daily mean relative humidity Monthly Data on daily mean relative humidity (Please visit the reference link for other climate information)
South China Coastal Waters bulletin 7 times daily and when there is update Provide South China Coastal Waters bulletin
Regional weather in Hong Kong - past 24-hour temperature difference Every 10 Minutes Provide regional weather in Hong Kong - past 24-hour temperature difference (the data provided is provisional)
Hong Kong Observatory resource centre As and when there is update Provide information on Hong Kong Observatory resource centre
Network of weather stations in Hong Kong As and when there is update Provide information on the network of weather stations in Hong Kong
9-day weather forecast Twice daily and when there is update Provide 9-day weather forecast of Hong Kong
Current weather report Hourly and when there is update Provide current weather report of Hong Kong
Local weather forecast Hourly and when there is update Provide local weather forecast for today and/or tomorrow
Weather warning information As and when there is update Provide detailed information of weather warning(s) in force
Weather warning summary As and when there is update Provide a summary of the weather warning(s) in force in Hong Kong
Special weather tips As and when there is update Provide special weather tips in force in Hong Kong
Quick earthquake messages As and when there is update Provide information on earthquakes of magnitude 6.0 or above worldwide, as analyzed by the Hong Kong Observatory
Locally felt earth tremor report As and when there is update Provide reports on earth tremors felt in Hong Kong
Daily maximum, mean and minimum temperatures Monthly Data on daily maximum, mean and minimum temperatures (Please visit the reference link for other climate information)
Regional weather in Hong Kong – the latest 10-minute mean visibility Every 10 Minutes Provide regional weather in Hong Kong - latest 10-minute mean visibility (the data provided is provisional)
Lightning count over Hong Kong territory in the past hour Hourly Provide cloud-to-ground and cloud-to-cloud lightning count over Hong Kong territory in the past hour (the data provided is provisional)
Tropical cyclone track information As and when there is update Provide tropical cyclone track information
Times of sunrise, sun transit, sunset Yearly Provide times of sunrise, sun transit, sunset
Times of moonrise, moon transit, moonset Yearly Provide times of moonrise, moon transit, moonset
Predicted tidal information (Hourly heights of astronomical tides) Yearly Provide predicted tidal information (Hourly heights of astronomical tides)
Predicted tidal information (Times and heights of astronomical high and low tides) Yearly Provide predicted tidal information (Times and heights of astronomical high and low tides)
Smart lampposts real-time experimental meteorological data (Post quality checks) Every 10 Minutes This dataset provides experimental meteorological data collected by the smart lampposts, including air temperature, relative humidity, 10-minute mean wind direction and speed.
Weather and radiation level report Daily Provide weather and radiation level report
Latest tidal information Every 5 Minutes Provide latest tidal information
Latest 15-minute mean UV index from 7:00 a.m. to 6:00 p.m. Hong Kong time Every 15 Minutes from 7:00 a.m. to 6:00 p.m. Hong Kong time Provide the latest 15-minute mean UV index from 7:00 a.m. to 6:00 p.m. Hong Kong time
Daily global solar radiation Monthly Data on daily global solar radiation (Please visit the reference link for other climate information)
Daily maximum and mean UV indices Monthly Data on daily maximum and mean UV indices (Please visit the reference link for other climate information)
Daily total bright sunshine (hours) Monthly Data on daily total bright sunshine (Please visit the reference link for other climate information)
Regional weather in Hong Kong – the maximum and minimum air temperature from 1-minute mean temperatures since midnight Every 10 Minutes Provide regional weather in Hong Kong - the maximum and minimum air temperature from 1-minute mean temperatures since midnight (the data provided is provisional)
Regional weather in Hong Kong – the latest 1-minute mean air temperature Every 10 Minutes Provide regional weather in Hong Kong - the latest 1-minute mean air temperature (the data provided is provisional)
Regional weather in Hong Kong – the latest 1-minute mean relative humidity Every 10 Minutes Provide regional weather in Hong Kong - the latest 1-minute mean relative humidity (the data provided is provisional)
Daily prevailing wind direction Monthly Data on daily prevailing wind direction (Please visit the reference link for other climate information)
Daily mean wind speed Monthly Data on daily mean wind speed (Please visit the reference link for other climate information)
Regional weather in Hong Kong – the latest 10-minute mean wind direction and wind speed and maximum gust Every 10 Minutes Provide regional weather in Hong Kong - the latest 10-minute mean wind direction and wind speed and maximum gust (the data provided is provisional)
Regional weather in Hong Kong – the latest 1-minute mean sea level pressure Every 10 Minutes Provide regional weather in Hong Kong - the latest 1-minute mean sea level pressure (the data provided is provisional)
Regional weather in Hong Kong – the latest 1-minute global solar radiation and direct solar radiation and diffuse radiation Every 10 Minutes Provide regional weather in Hong Kong - the latest 1-minute global solar radiation and direct solar radiation and diffuse radiation (the data provided is provisional)
Regional weather in Hong Kong – the latest 1-minute mean grass temperature from 5:00 p.m. to 8:00 a.m. the following date Hong Kong time Every 10 Minutes from 5:00 p.m. to 8:00 a.m. the following date Hong Kong time Provide regional weather in Hong Kong - the latest 1-minute mean grass temperature from 5:00 p.m. to 8:00 a.m. the following date Hong Kong time (the data provided is provisional)
Description
Provide half-hourly gridded rainfall nowcast data in Hong Kong up to the next two hours
Frequency of Update
Every 12 Minutes
Description
Data on daily total rainfall (Please visit the reference link for other climate information)
Frequency of Update
Monthly
Description
Data on daily mean relative humidity (Please visit the reference link for other climate information)
Frequency of Update
Monthly
Description
Provide South China Coastal Waters bulletin
Frequency of Update
7 times daily and when there is update
Description
Provide regional weather in Hong Kong - past 24-hour temperature difference (the data provided is provisional)
Frequency of Update
Every 10 Minutes
Description
Provide information on Hong Kong Observatory resource centre
Frequency of Update
As and when there is update
Description
Provide information on the network of weather stations in Hong Kong
Frequency of Update
As and when there is update
Description
Provide 9-day weather forecast of Hong Kong
Frequency of Update
Twice daily and when there is update
Description
Provide current weather report of Hong Kong
Frequency of Update
Hourly and when there is update
Description
Provide local weather forecast for today and/or tomorrow
Frequency of Update
Hourly and when there is update
Description
Provide detailed information of weather warning(s) in force
Frequency of Update
As and when there is update
Description
Provide a summary of the weather warning(s) in force in Hong Kong
Frequency of Update
As and when there is update
Description
Provide special weather tips in force in Hong Kong
Frequency of Update
As and when there is update
Description
Provide information on earthquakes of magnitude 6.0 or above worldwide, as analyzed by the Hong Kong Observatory
Frequency of Update
As and when there is update
Description
Provide reports on earth tremors felt in Hong Kong
Frequency of Update
As and when there is update
Description
Data on daily maximum, mean and minimum temperatures (Please visit the reference link for other climate information)
Frequency of Update
Monthly
Description
Provide regional weather in Hong Kong - latest 10-minute mean visibility (the data provided is provisional)
Frequency of Update
Every 10 Minutes
Description
Provide cloud-to-ground and cloud-to-cloud lightning count over Hong Kong territory in the past hour (the data provided is provisional)
Frequency of Update
Hourly
Description
Provide tropical cyclone track information
Frequency of Update
As and when there is update
Description
Provide times of sunrise, sun transit, sunset
Frequency of Update
Yearly
Description
Provide times of moonrise, moon transit, moonset
Frequency of Update
Yearly
Description
Provide predicted tidal information (Hourly heights of astronomical tides)
Frequency of Update
Yearly
Description
Provide predicted tidal information (Times and heights of astronomical high and low tides)
Frequency of Update
Yearly
Description
This dataset provides experimental meteorological data collected by the smart lampposts, including air temperature, relative humidity, 10-minute mean wind direction and speed.
Frequency of Update
Every 10 Minutes
Description
Provide weather and radiation level report
Frequency of Update
Daily
Description
Provide latest tidal information
Frequency of Update
Every 5 Minutes
Description
Provide the latest 15-minute mean UV index from 7:00 a.m. to 6:00 p.m. Hong Kong time
Frequency of Update
Every 15 Minutes from 7:00 a.m. to 6:00 p.m. Hong Kong time
Description
Data on daily global solar radiation (Please visit the reference link for other climate information)
Frequency of Update
Monthly
Description
Data on daily maximum and mean UV indices (Please visit the reference link for other climate information)
Frequency of Update
Monthly
Description
Data on daily total bright sunshine (Please visit the reference link for other climate information)
Frequency of Update
Monthly
Description
Provide regional weather in Hong Kong - the maximum and minimum air temperature from 1-minute mean temperatures since midnight (the data provided is provisional)
Frequency of Update
Every 10 Minutes
Description
Provide regional weather in Hong Kong - the latest 1-minute mean air temperature (the data provided is provisional)
Frequency of Update
Every 10 Minutes
Description
Provide regional weather in Hong Kong - the latest 1-minute mean relative humidity (the data provided is provisional)
Frequency of Update
Every 10 Minutes
Description
Data on daily prevailing wind direction (Please visit the reference link for other climate information)
Frequency of Update
Monthly
Description
Data on daily mean wind speed (Please visit the reference link for other climate information)
Frequency of Update
Monthly
Description
Provide regional weather in Hong Kong - the latest 10-minute mean wind direction and wind speed and maximum gust (the data provided is provisional)
Frequency of Update
Every 10 Minutes
Description
Provide regional weather in Hong Kong - the latest 1-minute mean sea level pressure (the data provided is provisional)
Frequency of Update
Every 10 Minutes
Description
Provide regional weather in Hong Kong - the latest 1-minute global solar radiation and direct solar radiation and diffuse radiation (the data provided is provisional)
Frequency of Update
Every 10 Minutes
Description
Provide regional weather in Hong Kong - the latest 1-minute mean grass temperature from 5:00 p.m. to 8:00 a.m. the following date Hong Kong time (the data provided is provisional)
Frequency of Update
Every 10 Minutes from 5:00 p.m. to 8:00 a.m. the following date Hong Kong time