{"title":"Records on 05-17 in past years","description":"Record events on 05-17 across the years in the data.","dataAsOf":"2026-10-17T00:00:00Z","lastRevised":"2026-10-18","source":"Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products.","licence":"US Government open data (NOAA NCEI)","page":"https://worldextremeweathermonitor.com/on-this-day/05-17/","columns":[{"name":"id","description":"Stable record id: station, date, type and timescale."},{"name":"station_id","description":"GHCN-Daily station id."},{"name":"station_name","description":"Station name."},{"name":"country","description":"ISO 3166 alpha-2 country code."},{"name":"type","description":"Record type: tmax_high, tmax_low, tmin_high, tmin_low, prcp_high, snow_high or snwd_high."},{"name":"timescale","description":"daily, monthly or all-time."},{"name":"date","description":"Date the record was set, YYYY-MM-DD."},{"name":"value","description":"Record value in degrees Celsius or millimetres."},{"name":"unit","description":"c for degrees Celsius, mm for millimetres."},{"name":"previous_value","description":"The record it replaced, in the same unit. Empty for a first record."},{"name":"previous_date","description":"Date of the replaced record."},{"name":"margin","description":"How far the new value beat the old record, a non negative magnitude in the same unit. Zero for a tie."},{"name":"years_stood","description":"Whole years the replaced record had stood."},{"name":"significance","description":"Record Significance Score from 0 to 100 (see /methodology/)."},{"name":"tie","description":"True when the value tied the record."},{"name":"provisional","description":"True while the record is inside the 60 day provisional window."},{"name":"lat","description":"Station latitude in decimal degrees."},{"name":"lon","description":"Station longitude in decimal degrees."}],"rows":[{"id":"USC00454154-2019-05-17-prcp_high-all-time","station_id":"USC00454154","station_name":"Kennewick","country":"US","type":"prcp_high","timescale":"all-time","date":"2019-05-17","value":77,"unit":"mm","previous_value":50.8,"previous_date":"1921-11-20","margin":26.2,"years_stood":97,"significance":99,"tie":false,"provisional":false,"lat":46.2111,"lon":-119.1011},{"id":"IN011340100-2015-05-17-prcp_high-monthly","station_id":"IN011340100","station_name":"Satna","country":"IN","type":"prcp_high","timescale":"monthly","date":"2015-05-17","value":64,"unit":"mm","previous_value":33.5,"previous_date":"1914-05-02","margin":30.5,"years_stood":101,"significance":90,"tie":false,"provisional":false,"lat":24.567,"lon":80.833},{"id":"USC00416950-1989-05-17-prcp_high-all-time","station_id":"USC00416950","station_name":"Perryton","country":"US","type":"prcp_high","timescale":"all-time","date":"1989-05-17","value":180.6,"unit":"mm","previous_value":134.6,"previous_date":"1915-09-25","margin":46,"years_stood":73,"significance":88,"tie":false,"provisional":false,"lat":36.3897,"lon":-100.8239},{"id":"USW00012843-2016-05-17-prcp_high-all-time","station_id":"USW00012843","station_name":"Vero 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