NOAA: WMO Resolution 40
Want to know what the weather was like two years ago today? In another country? Here you will find daily summaries of weather data from nearly 8000 stations around the world. Some of them have up to ten years of data available. It's all in fixed-width ASCII format, so you can import it into your favorite spreadsheet program, etc.
I downloaded the whole thing. When it's decompressed, it takes about 3.5GB of drive space. If you don't want that much, you can select just the time periods that you want.
I should also mention that it does not include measurements of relative humidity. If you want that, you can calculate it from the temperature and dewpoint. The formula is at http://www.srh.noaa.gov/elp/wxcalc/formulas/vaporPressure.html.
Want to know what the weather was like two years ago today? In another country? Here you will find daily summaries of weather data from nearly 8000 stations around the world. Some of them have up to ten years of data available. It's all in fixed-width ASCII format, so you can import it into your favorite spreadsheet program, etc.
I downloaded the whole thing. When it's decompressed, it takes about 3.5GB of drive space. If you don't want that much, you can select just the time periods that you want.
I should also mention that it does not include measurements of relative humidity. If you want that, you can calculate it from the temperature and dewpoint. The formula is at http://www.srh.noaa.gov/elp/wxcalc/formulas/vaporPressure.html.
posted by Mark @ 3:21 PM
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