{"title":"Records on 03-21 in past years","description":"Record events on 03-21 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/03-21/","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":"USC00253425-2006-03-21-snwd_high-all-time","station_id":"USC00253425","station_name":"Greeley","country":"US","type":"snwd_high","timescale":"all-time","date":"2006-03-21","value":711,"unit":"mm","previous_value":457,"previous_date":"1915-02-04","margin":254,"years_stood":91,"significance":94,"tie":false,"provisional":false,"lat":41.5461,"lon":-98.5331},{"id":"AM000037801-2024-03-21-prcp_high-monthly","station_id":"AM000037801","station_name":"Gavar","country":"AM","type":"prcp_high","timescale":"monthly","date":"2024-03-21","value":99.3,"unit":"mm","previous_value":52,"previous_date":"1924-03-02","margin":47.3,"years_stood":100,"significance":90,"tie":false,"provisional":false,"lat":40.35,"lon":45.1331},{"id":"ASN00024533-2011-03-21-prcp_high-daily","station_id":"ASN00024533","station_name":"Murray Bridge (Tepko)","country":"AU","type":"prcp_high","timescale":"daily","date":"2011-03-21","value":45,"unit":"mm","previous_value":10.9,"previous_date":"1894-03-21","margin":34.1,"years_stood":116,"significance":80,"tie":false,"provisional":false,"lat":-34.9692,"lon":139.1874},{"id":"ASN00022009-2011-03-21-prcp_high-daily","station_id":"ASN00022009","station_name":"Minlaton","country":"AU","type":"prcp_high","timescale":"daily","date":"2011-03-21","value":37.8,"unit":"mm","previous_value":7.6,"previous_date":"1900-03-21","margin":30.2,"years_stood":110,"significance":80,"tie":false,"provisional":false,"lat":-34.7708,"lon":137.5952},{"id":"ASN00034007-2012-03-21-prcp_high-daily","station_id":"ASN00034007","station_name":"Mount 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Station","country":"AU","type":"prcp_high","timescale":"all-time","date":"1963-03-21","value":254,"unit":"mm","previous_value":139.7,"previous_date":"1922-02-03","margin":114.3,"years_stood":41,"significance":79,"tie":false,"provisional":false,"lat":-22.9856,"lon":146.6189},{"id":"IN023101700-2023-03-21-prcp_high-daily","station_id":"IN023101700","station_name":"Bareilly","country":"IN","type":"prcp_high","timescale":"daily","date":"2023-03-21","value":63,"unit":"mm","previous_value":4.6,"previous_date":"1918-03-21","margin":58.4,"years_stood":104,"significance":78,"tie":false,"provisional":false,"lat":28.367,"lon":79.4},{"id":"ASN00017030-1989-03-21-prcp_high-daily","station_id":"ASN00017030","station_name":"Macumba","country":"AU","type":"prcp_high","timescale":"daily","date":"1989-03-21","value":57,"unit":"mm","previous_value":0,"previous_date":"1891-03-21","margin":57,"years_stood":97,"significance":78,"tie":false,"provisional":false,"lat":-27.2547,"lon":135.648},{"id":"USC00129253-1996-03-21-snwd_high-daily","station_id":"USC00129253","station_name":"Washington 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W","country":"US","type":"snwd_high","timescale":"daily","date":"1996-03-21","value":203,"unit":"mm","previous_value":0,"previous_date":"1901-03-21","margin":203,"years_stood":95,"significance":78,"tie":false,"provisional":false,"lat":38.6489,"lon":-87.1989},{"id":"SWE00137686-2008-03-21-prcp_high-daily","station_id":"SWE00137686","station_name":"Karlshamn","country":"SE","type":"prcp_high","timescale":"daily","date":"2008-03-21","value":25.4,"unit":"mm","previous_value":11,"previous_date":"1914-03-21","margin":14.4,"years_stood":94,"significance":78,"tie":false,"provisional":false,"lat":56.18,"lon":14.85},{"id":"ASN00082009-1989-03-21-prcp_high-monthly","station_id":"ASN00082009","station_name":"Carboor","country":"AU","type":"prcp_high","timescale":"monthly","date":"1989-03-21","value":101,"unit":"mm","previous_value":58.7,"previous_date":"1911-03-08","margin":42.3,"years_stood":78,"significance":78,"tie":false,"provisional":false,"lat":-36.6085,"lon":146.5371},{"id":"ASN00051026-1983-03-21-prcp_high-monthly","station_id":"ASN00051026","station_name":"Hermidale 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