{"title":"Records on 1901-12-21","description":"Every record set or tied on 1901-12-21.","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/1901-12-21/","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":"CA008205698-1901-12-21-snow_high-daily","station_id":"CA008205698","station_name":"Sydney","country":"CA","type":"snow_high","timescale":"daily","date":"1901-12-21","value":216,"unit":"mm","previous_value":64,"previous_date":"1883-12-21","margin":152,"years_stood":17,"significance":37,"tie":false,"provisional":false,"lat":46.15,"lon":-60.2},{"id":"ASN00026026-1901-12-21-prcp_high-monthly","station_id":"ASN00026026","station_name":"Robe Comparison","country":"AU","type":"prcp_high","timescale":"monthly","date":"1901-12-21","value":45.5,"unit":"mm","previous_value":40.6,"previous_date":"1861-12-15","margin":4.9,"years_stood":40,"significance":35,"tie":false,"provisional":false,"lat":-37.1628,"lon":139.756},{"id":"ASN00023000-1901-12-21-prcp_high-daily","station_id":"ASN00023000","station_name":"Adelaide West Terrace","country":"AU","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":8.1,"unit":"mm","previous_value":5.8,"previous_date":"1840-12-21","margin":2.3,"years_stood":60,"significance":20,"tie":false,"provisional":false,"lat":-34.9254,"lon":138.5869},{"id":"ASN00022801-1901-12-21-prcp_high-daily","station_id":"ASN00022801","station_name":"Cape Borda Comparison","country":"AU","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":10.9,"unit":"mm","previous_value":5.8,"previous_date":"1869-12-21","margin":5.1,"years_stood":31,"significance":20,"tie":false,"provisional":false,"lat":-35.7529,"lon":136.5938},{"id":"CA008205698-1901-12-21-prcp_high-daily","station_id":"CA008205698","station_name":"Sydney","country":"CA","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":21.6,"unit":"mm","previous_value":6.4,"previous_date":"1883-12-21","margin":15.2,"years_stood":17,"significance":20,"tie":false,"provisional":false,"lat":46.15,"lon":-60.2},{"id":"SW000010537-1901-12-21-prcp_high-daily","station_id":"SW000010537","station_name":"Falun","country":"SE","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":8,"unit":"mm","previous_value":4.3,"previous_date":"1875-12-21","margin":3.7,"years_stood":25,"significance":20,"tie":false,"provisional":false,"lat":60.6167,"lon":15.6167},{"id":"SWE00138836-1901-12-21-prcp_high-daily","station_id":"SWE00138836","station_name":"Orebro","country":"SE","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":11.6,"unit":"mm","previous_value":7,"previous_date":"1890-12-21","margin":4.6,"years_stood":10,"significance":20,"tie":false,"provisional":false,"lat":59.26,"lon":15.26},{"id":"USC00331662-1901-12-21-tmax_low-daily","station_id":"USC00331662","station_name":"Cleveland 2717 Euclid","country":"US","type":"tmax_low","timescale":"daily","date":"1901-12-21","value":-12.2,"unit":"c","previous_value":-5,"previous_date":"1883-12-21","margin":7.2,"years_stood":17,"significance":19,"tie":false,"provisional":false,"lat":41.5,"lon":-81.6667},{"id":"ASN00026005-1901-12-21-prcp_high-daily","station_id":"ASN00026005","station_name":"Cape Northumberland","country":"AU","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":12.2,"unit":"mm","previous_value":5.8,"previous_date":"1889-12-21","margin":6.4,"years_stood":11,"significance":17,"tie":false,"provisional":false,"lat":-38.0573,"lon":140.6725},{"id":"ASN00075048-1901-12-21-prcp_high-daily","station_id":"ASN00075048","station_name":"Swan Hill (Murray Downs)","country":"AU","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":7.6,"unit":"mm","previous_value":1.5,"previous_date":"1872-12-21","margin":6.1,"years_stood":28,"significance":17,"tie":false,"provisional":false,"lat":-35.3412,"lon":143.5866},{"id":"USW00093725-1901-12-21-tmin_low-daily","station_id":"USW00093725","station_name":"Washington","country":"US","type":"tmin_low","timescale":"daily","date":"1901-12-21","value":-12.2,"unit":"c","previous_value":-10,"previous_date":"1876-12-21","margin":2.2,"years_stood":24,"significance":16,"tie":false,"provisional":false,"lat":38.9053,"lon":-77.0525},{"id":"ASN00021014-1901-12-21-prcp_high-daily","station_id":"ASN00021014","station_name":"Clare Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":10.2,"unit":"mm","previous_value":8.4,"previous_date":"1872-12-21","margin":1.8,"years_stood":28,"significance":14,"tie":false,"provisional":false,"lat":-33.8364,"lon":138.6125},{"id":"USW00093725-1901-12-21-tmax_low-daily","station_id":"USW00093725","station_name":"Washington","country":"US","type":"tmax_low","timescale":"daily","date":"1901-12-21","value":-4.4,"unit":"c","previous_value":-1.7,"previous_date":"1888-12-21","margin":2.7,"years_stood":12,"significance":12,"tie":false,"provisional":false,"lat":38.9053,"lon":-77.0525},{"id":"SWE00139028-1901-12-21-prcp_high-daily","station_id":"SWE00139028","station_name":"Vasteras-Hasslo","country":"SE","type":"prcp_high","timescale":"daily","date":"1901-12-21","value":6.7,"unit":"mm","previous_value":6.6,"previous_date":"1890-12-21","margin":0.1,"years_stood":10,"significance":7,"tie":false,"provisional":false,"lat":59.59,"lon":16.63},{"id":"AU000005901-1901-12-21-tmax_high-daily","station_id":"AU000005901","station_name":"Wien","country":"AT","type":"tmax_high","timescale":"daily","date":"1901-12-21","value":10.6,"unit":"c","previous_value":10.4,"previous_date":"1893-12-21","margin":0.2,"years_stood":7,"significance":6,"tie":false,"provisional":false,"lat":48.2331,"lon":16.35}]}