{"title":"Records on 09-20 in past years","description":"Record events on 09-20 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/09-20/","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":"SWM00002080-2023-09-20-snwd_high-monthly","station_id":"SWM00002080","station_name":"Karesuando","country":"SE","type":"snwd_high","timescale":"monthly","date":"2023-09-20","value":150,"unit":"mm","previous_value":70,"previous_date":"1948-09-28","margin":80,"years_stood":74,"significance":82,"tie":false,"provisional":false,"lat":68.4419,"lon":22.4503},{"id":"NO000086850-1963-09-20-prcp_high-all-time","station_id":"NO000086850","station_name":"Barkestad","country":"NO","type":"prcp_high","timescale":"all-time","date":"1963-09-20","value":136.2,"unit":"mm","previous_value":101,"previous_date":"1908-10-22","margin":35.2,"years_stood":54,"significance":82,"tie":false,"provisional":false,"lat":68.8167,"lon":14.8},{"id":"GME00127462-1913-09-20-prcp_high-all-time","station_id":"GME00127462","station_name":"Putbus","country":"DE","type":"prcp_high","timescale":"all-time","date":"1913-09-20","value":98.1,"unit":"mm","previous_value":66.8,"previous_date":"1860-08-16","margin":31.3,"years_stood":53,"significance":81,"tie":false,"provisional":false,"lat":54.3656,"lon":13.4783},{"id":"USC00137594-2018-09-20-prcp_high-daily","station_id":"USC00137594","station_name":"Sheldon","country":"US","type":"prcp_high","timescale":"daily","date":"2018-09-20","value":134.6,"unit":"mm","previous_value":65.5,"previous_date":"1902-09-20","margin":69.1,"years_stood":116,"significance":80,"tie":false,"provisional":false,"lat":43.1803,"lon":-95.8531},{"id":"GME00128350-1995-09-20-prcp_high-daily","station_id":"GME00128350","station_name":"Schierke","country":"DE","type":"prcp_high","timescale":"daily","date":"1995-09-20","value":48,"unit":"mm","previous_value":10.1,"previous_date":"1889-09-20","margin":37.9,"years_stood":105,"significance":80,"tie":false,"provisional":false,"lat":51.7667,"lon":10.655},{"id":"USC00020380-2018-09-20-prcp_high-daily","station_id":"USC00020380","station_name":"Arivaca","country":"US","type":"prcp_high","timescale":"daily","date":"2018-09-20","value":62.2,"unit":"mm","previous_value":6.1,"previous_date":"1917-09-20","margin":56.1,"years_stood":100,"significance":80,"tie":false,"provisional":false,"lat":31.5767,"lon":-111.3172},{"id":"SF001203380-1987-09-20-prcp_high-daily","station_id":"SF001203380","station_name":"Tafelberg 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