{"title":"Records on 1911-08-20","description":"Every record set or tied on 1911-08-20.","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/1911-08-20/","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":"CA005011760-1911-08-20-prcp_high-daily","station_id":"CA005011760","station_name":"Minnedosa","country":"CA","type":"prcp_high","timescale":"daily","date":"1911-08-20","value":38.9,"unit":"mm","previous_value":3,"previous_date":"1890-08-20","margin":35.9,"years_stood":20,"significance":49,"tie":false,"provisional":false,"lat":50.2667,"lon":-99.8333},{"id":"CA003012195-1911-08-20-prcp_high-monthly","station_id":"CA003012195","station_name":"Edmonton","country":"CA","type":"prcp_high","timescale":"monthly","date":"1911-08-20","value":62.7,"unit":"mm","previous_value":50.3,"previous_date":"1899-08-15","margin":12.4,"years_stood":12,"significance":33,"tie":false,"provisional":false,"lat":53.55,"lon":-113.5},{"id":"ASN00051010-1911-08-20-prcp_high-daily","station_id":"ASN00051010","station_name":"Coonamble 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Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1911-08-20","value":7.4,"unit":"mm","previous_value":2.3,"previous_date":"1890-08-20","margin":5.1,"years_stood":20,"significance":12,"tie":false,"provisional":false,"lat":-23.71,"lon":133.8683},{"id":"UKE00156852-1911-08-20-prcp_high-daily","station_id":"UKE00156852","station_name":"Durham","country":"GB","type":"prcp_high","timescale":"daily","date":"1911-08-20","value":9.1,"unit":"mm","previous_value":6.2,"previous_date":"1897-08-20","margin":2.9,"years_stood":13,"significance":12,"tie":false,"provisional":false,"lat":54.7678,"lon":-1.5842},{"id":"UPM00033345-1911-08-20-tmin_low-daily","station_id":"UPM00033345","station_name":"Kiev","country":"UA","type":"tmin_low","timescale":"daily","date":"1911-08-20","value":8.5,"unit":"c","previous_value":9.8,"previous_date":"1902-08-20","margin":1.3,"years_stood":8,"significance":9,"tie":false,"provisional":false,"lat":50.4,"lon":30.5331},{"id":"ASN00052026-1911-08-20-prcp_high-daily","station_id":"ASN00052026","station_name":"Walgett 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Stephan)","country":"DE","type":"tmax_high","timescale":"daily","date":"1911-08-20","value":31.1,"unit":"c","previous_value":30.3,"previous_date":"1898-08-20","margin":0.8,"years_stood":12,"significance":7,"tie":false,"provisional":false,"lat":48.3731,"lon":10.8958},{"id":"USC00319462-1911-08-20-prcp_high-daily","station_id":"USC00319462","station_name":"Wilmington Wb City","country":"US","type":"prcp_high","timescale":"daily","date":"1911-08-20","value":98.8,"unit":"mm","previous_value":98.3,"previous_date":"1903-08-20","margin":0.5,"years_stood":8,"significance":6,"tie":false,"provisional":false,"lat":34.2333,"lon":-77.95},{"id":"ASN00051025-1911-08-20-prcp_high-daily","station_id":"ASN00051025","station_name":"Warren (Haddon 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