{"title":"Records on 1909-09-21","description":"Every record set or tied on 1909-09-21.","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/1909-09-21/","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":"ASN00085078-1909-09-21-prcp_high-daily","station_id":"ASN00085078","station_name":"Stratford","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-09-21","value":31.2,"unit":"mm","previous_value":7.4,"previous_date":"1886-09-21","margin":23.8,"years_stood":22,"significance":38,"tie":false,"provisional":false,"lat":-38,"lon":147.1},{"id":"USC00475484-1909-09-21-prcp_high-daily","station_id":"USC00475484","station_name":"Milwaukee Wb City","country":"US","type":"prcp_high","timescale":"daily","date":"1909-09-21","value":33,"unit":"mm","previous_value":9.1,"previous_date":"1893-09-21","margin":23.9,"years_stood":15,"significance":28,"tie":false,"provisional":false,"lat":43.0333,"lon":-87.9},{"id":"ASN00085071-1909-09-21-prcp_high-daily","station_id":"ASN00085071","station_name":"Rosedale","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-09-21","value":19.1,"unit":"mm","previous_value":6.1,"previous_date":"1880-09-21","margin":13,"years_stood":28,"significance":20,"tie":false,"provisional":false,"lat":-38.1522,"lon":146.7875},{"id":"ASN00074110-1909-09-21-prcp_high-daily","station_id":"ASN00074110","station_name":"Urana Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-09-21","value":13.5,"unit":"mm","previous_value":6.9,"previous_date":"1872-09-21","margin":6.6,"years_stood":36,"significance":20,"tie":false,"provisional":false,"lat":-35.3305,"lon":146.2652},{"id":"ASN00072151-1909-09-21-tmax_low-daily","station_id":"ASN00072151","station_name":"Wagga Wagga (Kooringal)","country":"AU","type":"tmax_low","timescale":"daily","date":"1909-09-21","value":12.2,"unit":"c","previous_value":15,"previous_date":"1872-09-21","margin":2.8,"years_stood":36,"significance":20,"tie":false,"provisional":false,"lat":-35.1333,"lon":147.3667},{"id":"CA006046588-1909-09-21-prcp_high-daily","station_id":"CA006046588","station_name":"Port Arthur","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-09-21","value":29.7,"unit":"mm","previous_value":16.3,"previous_date":"1893-09-21","margin":13.4,"years_stood":15,"significance":20,"tie":false,"provisional":false,"lat":48.4333,"lon":-89.2167},{"id":"USC00047738-1909-09-21-tmax_low-daily","station_id":"USC00047738","station_name":"San Diego Wbo","country":"US","type":"tmax_low","timescale":"daily","date":"1909-09-21","value":18.9,"unit":"c","previous_value":19.4,"previous_date":"1880-09-21","margin":0.5,"years_stood":28,"significance":12,"tie":false,"provisional":false,"lat":32.7167,"lon":-117.1667},{"id":"ASN00084082-1909-09-21-prcp_high-daily","station_id":"ASN00084082","station_name":"Bairnsdale 1","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-09-21","value":15,"unit":"mm","previous_value":12.4,"previous_date":"1892-09-21","margin":2.6,"years_stood":16,"significance":11,"tie":false,"provisional":false,"lat":-37.8167,"lon":147.6167},{"id":"ASN00083025-1909-09-21-prcp_high-daily","station_id":"ASN00083025","station_name":"Omeo Comparison","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-09-21","value":9.1,"unit":"mm","previous_value":8.1,"previous_date":"1888-09-21","margin":1,"years_stood":20,"significance":10,"tie":false,"provisional":false,"lat":-37.1011,"lon":147.598},{"id":"USC00015555-1909-09-21-tmin_high-daily","station_id":"USC00015555","station_name":"Montgomery Wb City","country":"US","type":"tmin_high","timescale":"daily","date":"1909-09-21","value":22.8,"unit":"c","previous_value":22.8,"previous_date":"1895-09-21","margin":0,"years_stood":13,"significance":1,"tie":true,"provisional":false,"lat":32.3833,"lon":-86.3}]}