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Global Surface Summary of the Day - GSOD Weather Data

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Global Surface Summary of the Day - GSOD Weather Data


Global Surface Summary of the Day (GSOD) surface weather observations data

Product type


Update frequency



Jun 7, 2023

Delivery method


The Global Surface Summary of the Day (GSOD) dataset is derived from The Integrated Surface Hourly (ISH) dataset. The ISH dataset includes global data obtained from the USAF Climatology Center. The latest daily summary data are normally available 1-2 days after the date-time of the observations used in the daily summaries. Over 9000 stations' data are typically available and historical data is generally available from 1929 to the present.

Variables include the mean values of: temperature, dew point temperature, sea level pressure, station pressure, visibility, and wind speed plus maximum and minimum temperature, maximum sustained wind speed and maximum gust, precipitation amount, snow depth, and weather indicators. With the exception of U.S. stations, 24-hour periods are based upon UTC times

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