{"title":"Records on 1914-05-21","description":"Every record set or tied on 1914-05-21.","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/records/1914-05-21/","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":"UPM00033991-1914-05-21-prcp_high-monthly","station_id":"UPM00033991","station_name":"Sevastopol',Mgs","country":"UA","type":"prcp_high","timescale":"monthly","date":"1914-05-21","value":35.3,"unit":"mm","previous_value":23.5,"previous_date":"1886-05-20","margin":11.8,"years_stood":28,"significance":47,"tie":false,"provisional":false,"lat":44.62,"lon":33.53},{"id":"RSM00027595-1914-05-21-prcp_high-daily","station_id":"RSM00027595","station_name":"Kazan","country":"RU","type":"prcp_high","timescale":"daily","date":"1914-05-21","value":25.4,"unit":"mm","previous_value":15.1,"previous_date":"1903-05-21","margin":10.3,"years_stood":11,"significance":31,"tie":false,"provisional":false,"lat":55.7331,"lon":49.2},{"id":"RSM00028224-1914-05-21-prcp_high-daily","station_id":"RSM00028224","station_name":"Perm","country":"RU","type":"prcp_high","timescale":"daily","date":"1914-05-21","value":25.3,"unit":"mm","previous_value":16.2,"previous_date":"1883-05-21","margin":9.1,"years_stood":30,"significance":30,"tie":false,"provisional":false,"lat":58.0167,"lon":56.3},{"id":"ASN00066015-1914-05-21-prcp_high-daily","station_id":"ASN00066015","station_name":"Crown St. Reservoir","country":"AU","type":"prcp_high","timescale":"daily","date":"1914-05-21","value":61,"unit":"mm","previous_value":24.9,"previous_date":"1891-05-21","margin":36.1,"years_stood":22,"significance":24,"tie":false,"provisional":false,"lat":-33.8833,"lon":151.2},{"id":"USW00024274-1914-05-21-tmin_high-daily","station_id":"USW00024274","station_name":"Portland Rfc City","country":"US","type":"tmin_high","timescale":"daily","date":"1914-05-21","value":16.1,"unit":"c","previous_value":12.2,"previous_date":"1891-05-21","margin":3.9,"years_stood":22,"significance":24,"tie":false,"provisional":false,"lat":45.5333,"lon":-122.6667},{"id":"ASN00062026-1914-05-21-prcp_high-daily","station_id":"ASN00062026","station_name":"Rylstone (Ilford 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(Cooerwull)","country":"AU","type":"prcp_high","timescale":"daily","date":"1914-05-21","value":10.9,"unit":"mm","previous_value":6.1,"previous_date":"1897-05-21","margin":4.8,"years_stood":16,"significance":12,"tie":false,"provisional":false,"lat":-33.4769,"lon":150.1303},{"id":"ASN00068069-1914-05-21-prcp_high-daily","station_id":"ASN00068069","station_name":"Wollongong Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1914-05-21","value":46.5,"unit":"mm","previous_value":38.1,"previous_date":"1897-05-21","margin":8.4,"years_stood":16,"significance":12,"tie":false,"provisional":false,"lat":-34.4333,"lon":150.8833},{"id":"ASN00053041-1914-05-21-prcp_high-daily","station_id":"ASN00053041","station_name":"Tulloona 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