{"title":"Records on 1909-10-17","description":"Every record set or tied on 1909-10-17.","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/1909-10-17/","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":"SF000302190-1909-10-17-prcp_high-daily","station_id":"SF000302190","station_name":"Uniondale (Tnk)","country":"ZA","type":"prcp_high","timescale":"daily","date":"1909-10-17","value":26.7,"unit":"mm","previous_value":9.7,"previous_date":"1887-10-17","margin":17,"years_stood":21,"significance":35,"tie":false,"provisional":false,"lat":-33.67,"lon":23.13},{"id":"SWE00138978-1909-10-17-prcp_high-daily","station_id":"SWE00138978","station_name":"Nora_D","country":"SE","type":"prcp_high","timescale":"daily","date":"1909-10-17","value":21,"unit":"mm","previous_value":11.3,"previous_date":"1883-10-17","margin":9.7,"years_stood":25,"significance":20,"tie":false,"provisional":false,"lat":59.51,"lon":15.03},{"id":"SWE00139028-1909-10-17-prcp_high-daily","station_id":"SWE00139028","station_name":"Vasteras-Hasslo","country":"SE","type":"prcp_high","timescale":"daily","date":"1909-10-17","value":16.5,"unit":"mm","previous_value":11.9,"previous_date":"1869-10-17","margin":4.6,"years_stood":39,"significance":20,"tie":false,"provisional":false,"lat":59.59,"lon":16.63},{"id":"ASN00026005-1909-10-17-prcp_high-daily","station_id":"ASN00026005","station_name":"Cape Northumberland","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-10-17","value":13.2,"unit":"mm","previous_value":10.2,"previous_date":"1880-10-17","margin":3,"years_stood":28,"significance":19,"tie":false,"provisional":false,"lat":-38.0573,"lon":140.6725},{"id":"SW000010537-1909-10-17-prcp_high-daily","station_id":"SW000010537","station_name":"Falun","country":"SE","type":"prcp_high","timescale":"daily","date":"1909-10-17","value":15.3,"unit":"mm","previous_value":12.7,"previous_date":"1879-10-17","margin":2.6,"years_stood":29,"significance":18,"tie":false,"provisional":false,"lat":60.6167,"lon":15.6167},{"id":"USC00456109-1909-10-17-tmin_low-daily","station_id":"USC00456109","station_name":"Olympia Priest Pt 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