{"title":"Records on 1897-09-21","description":"Every record set or tied on 1897-09-21.","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/1897-09-21/","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":"SW000002590-1897-09-21-prcp_high-daily","station_id":"SW000002590","station_name":"Visby_Flygplats","country":"SE","type":"prcp_high","timescale":"daily","date":"1897-09-21","value":25,"unit":"mm","previous_value":9.9,"previous_date":"1864-09-21","margin":15.1,"years_stood":32,"significance":41,"tie":false,"provisional":false,"lat":57.66,"lon":18.34},{"id":"SW000002361-1897-09-21-prcp_high-daily","station_id":"SW000002361","station_name":"Harnosand","country":"SE","type":"prcp_high","timescale":"daily","date":"1897-09-21","value":25.5,"unit":"mm","previous_value":17.8,"previous_date":"1862-09-21","margin":7.7,"years_stood":35,"significance":21,"tie":false,"provisional":false,"lat":62.6331,"lon":17.9331},{"id":"SZ000006717-1897-09-21-tmin_low-daily","station_id":"SZ000006717","station_name":"Col du Grand St-Bernard","country":"CH","type":"tmin_low","timescale":"daily","date":"1897-09-21","value":-8.6,"unit":"c","previous_value":-6,"previous_date":"1872-09-21","margin":2.6,"years_stood":24,"significance":17,"tie":false,"provisional":false,"lat":45.8667,"lon":7.1667},{"id":"SWE00100003-1897-09-21-prcp_high-daily","station_id":"SWE00100003","station_name":"Vaexjoe","country":"SE","type":"prcp_high","timescale":"daily","date":"1897-09-21","value":11.5,"unit":"mm","previous_value":4.7,"previous_date":"1893-09-21","margin":6.8,"years_stood":4,"significance":16,"tie":false,"provisional":false,"lat":56.8667,"lon":14.8},{"id":"SWE00137836-1897-09-21-prcp_high-daily","station_id":"SWE00137836","station_name":"Halmstad","country":"SE","type":"prcp_high","timescale":"daily","date":"1897-09-21","value":17,"unit":"mm","previous_value":13.8,"previous_date":"1872-09-21","margin":3.2,"years_stood":24,"significance":15,"tie":false,"provisional":false,"lat":56.67,"lon":12.92},{"id":"SWE00137686-1897-09-21-prcp_high-daily","station_id":"SWE00137686","station_name":"Karlshamn","country":"SE","type":"prcp_high","timescale":"daily","date":"1897-09-21","value":6.2,"unit":"mm","previous_value":5.2,"previous_date":"1896-09-21","margin":1,"years_stood":0,"significance":5,"tie":false,"provisional":false,"lat":56.18,"lon":14.85}]}