{"title":"Records on 1909-10-31","description":"Every record set or tied on 1909-10-31.","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/1909-10-31/","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":"ASN00051070-1909-10-31-prcp_high-daily","station_id":"ASN00051070","station_name":"Calga","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-10-31","value":39.9,"unit":"mm","previous_value":13,"previous_date":"1878-10-31","margin":26.9,"years_stood":30,"significance":36,"tie":false,"provisional":false,"lat":-31.1,"lon":148.7},{"id":"CE000434730-1909-10-31-tmax_high-daily","station_id":"CE000434730","station_name":"Nuwara Eliya","country":"LK","type":"tmax_high","timescale":"daily","date":"1909-10-31","value":22.8,"unit":"c","previous_value":21.7,"previous_date":"1871-10-31","margin":1.1,"years_stood":37,"significance":20,"tie":false,"provisional":false,"lat":6.967,"lon":80.767},{"id":"ASN00047015-1909-10-31-prcp_high-daily","station_id":"ASN00047015","station_name":"Kinchega","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-10-31","value":7.1,"unit":"mm","previous_value":0.5,"previous_date":"1884-10-31","margin":6.6,"years_stood":24,"significance":17,"tie":false,"provisional":false,"lat":-32.45,"lon":142.4},{"id":"UK000047811-1909-10-31-tmin_low-daily","station_id":"UK000047811","station_name":"Armagh","country":"GB","type":"tmin_low","timescale":"daily","date":"1909-10-31","value":-3.9,"unit":"c","previous_value":-1.7,"previous_date":"1893-10-31","margin":2.2,"years_stood":15,"significance":16,"tie":false,"provisional":false,"lat":54.35,"lon":-6.65},{"id":"UK000047811-1909-10-31-tmax_low-daily","station_id":"UK000047811","station_name":"Armagh","country":"GB","type":"tmax_low","timescale":"daily","date":"1909-10-31","value":6.2,"unit":"c","previous_value":6.5,"previous_date":"1881-10-31","margin":0.3,"years_stood":27,"significance":15,"tie":false,"provisional":false,"lat":54.35,"lon":-6.65},{"id":"USC00456109-1909-10-31-prcp_high-daily","station_id":"USC00456109","station_name":"Olympia Priest Pt Park","country":"US","type":"prcp_high","timescale":"daily","date":"1909-10-31","value":31.8,"unit":"mm","previous_value":25.4,"previous_date":"1896-10-31","margin":6.4,"years_stood":12,"significance":13,"tie":false,"provisional":false,"lat":47.0667,"lon":-122.8833},{"id":"CE000434730-1909-10-31-tmin_low-daily","station_id":"CE000434730","station_name":"Nuwara Eliya","country":"LK","type":"tmin_low","timescale":"daily","date":"1909-10-31","value":5.9,"unit":"c","previous_value":7.3,"previous_date":"1905-10-31","margin":1.4,"years_stood":4,"significance":12,"tie":false,"provisional":false,"lat":6.967,"lon":80.767},{"id":"USW00014934-1909-10-31-prcp_high-daily","station_id":"USW00014934","station_name":"Dubuque River","country":"US","type":"prcp_high","timescale":"daily","date":"1909-10-31","value":20.6,"unit":"mm","previous_value":14.5,"previous_date":"1900-10-31","margin":6.1,"years_stood":8,"significance":11,"tie":false,"provisional":false,"lat":42.4,"lon":-90.7},{"id":"USW00093725-1909-10-31-tmax_high-daily","station_id":"USW00093725","station_name":"Washington","country":"US","type":"tmax_high","timescale":"daily","date":"1909-10-31","value":26.1,"unit":"c","previous_value":24.4,"previous_date":"1896-10-31","margin":1.7,"years_stood":12,"significance":11,"tie":false,"provisional":false,"lat":38.9053,"lon":-77.0525},{"id":"USC00475484-1909-10-31-tmax_high-daily","station_id":"USC00475484","station_name":"Milwaukee Wb City","country":"US","type":"tmax_high","timescale":"daily","date":"1909-10-31","value":22.8,"unit":"c","previous_value":22.2,"previous_date":"1888-10-31","margin":0.6,"years_stood":20,"significance":10,"tie":false,"provisional":false,"lat":43.0333,"lon":-87.9},{"id":"USW00013777-1909-10-31-tmax_high-daily","station_id":"USW00013777","station_name":"Baltimore Customs House","country":"US","type":"tmax_high","timescale":"daily","date":"1909-10-31","value":25.6,"unit":"c","previous_value":25,"previous_date":"1896-10-31","margin":0.6,"years_stood":12,"significance":7,"tie":false,"provisional":false,"lat":39.2833,"lon":-76.6167},{"id":"CE000043497-1909-10-31-tmin_low-monthly","station_id":"CE000043497","station_name":"Hambantota","country":"LK","type":"tmin_low","timescale":"monthly","date":"1909-10-31","value":20.6,"unit":"c","previous_value":20.6,"previous_date":"1894-10-30","margin":0,"years_stood":15,"significance":4,"tie":true,"provisional":false,"lat":6.117,"lon":81.133},{"id":"EI000003969-1909-10-31-tmin_low-daily","station_id":"EI000003969","station_name":"Dublin Phoenix Park","country":"IE","type":"tmin_low","timescale":"daily","date":"1909-10-31","value":-0.4,"unit":"c","previous_value":-0.4,"previous_date":"1881-10-31","margin":0,"years_stood":27,"significance":3,"tie":true,"provisional":false,"lat":53.3639,"lon":-6.3192},{"id":"USC00474966-1909-10-31-tmax_high-daily","station_id":"USC00474966","station_name":"Madison Wb City","country":"US","type":"tmax_high","timescale":"daily","date":"1909-10-31","value":20.6,"unit":"c","previous_value":20.6,"previous_date":"1900-10-31","margin":0,"years_stood":8,"significance":1,"tie":true,"provisional":false,"lat":43.0833,"lon":-89.4},{"id":"ASN00047043-1909-10-31-prcp_high-daily","station_id":"ASN00047043","station_name":"Menindee (Weinteriga)","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-10-31","value":10.2,"unit":"mm","previous_value":10.2,"previous_date":"1906-10-31","margin":0,"years_stood":3,"significance":0,"tie":true,"provisional":false,"lat":-32.1036,"lon":142.9236}]}