{"title":"Records on 1909-09-18","description":"Every record set or tied on 1909-09-18.","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/1909-09-18/","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":"ITE00100550-1909-09-18-prcp_high-daily","station_id":"ITE00100550","station_name":"Bologna","country":"IT","type":"prcp_high","timescale":"daily","date":"1909-09-18","value":58.3,"unit":"mm","previous_value":31,"previous_date":"1851-09-18","margin":27.3,"years_stood":57,"significance":46,"tie":false,"provisional":false,"lat":44.5,"lon":11.3458},{"id":"GME00130726-1909-09-18-prcp_high-daily","station_id":"GME00130726","station_name":"Lichtentanne","country":"DE","type":"prcp_high","timescale":"daily","date":"1909-09-18","value":26.4,"unit":"mm","previous_value":8.9,"previous_date":"1898-09-18","margin":17.5,"years_stood":10,"significance":32,"tie":false,"provisional":false,"lat":50.6892,"lon":12.4342},{"id":"SWM00002485-1909-09-18-prcp_high-daily","station_id":"SWM00002485","station_name":"Stockholm","country":"SE","type":"prcp_high","timescale":"daily","date":"1909-09-18","value":14.6,"unit":"mm","previous_value":5.7,"previous_date":"1880-09-18","margin":8.9,"years_stood":28,"significance":20,"tie":false,"provisional":false,"lat":59.35,"lon":18.05},{"id":"GME00125218-1909-09-18-prcp_high-daily","station_id":"GME00125218","station_name":"Leipzig-Holzhausen","country":"DE","type":"prcp_high","timescale":"daily","date":"1909-09-18","value":25.1,"unit":"mm","previous_value":13,"previous_date":"1876-09-18","margin":12.1,"years_stood":32,"significance":31,"tie":false,"provisional":false,"lat":51.3164,"lon":12.4475},{"id":"GME00127486-1909-09-18-prcp_high-daily","station_id":"GME00127486","station_name":"Berlin-Dahlem (Lfag)","country":"DE","type":"prcp_high","timescale":"daily","date":"1909-09-18","value":24.7,"unit":"mm","previous_value":11.7,"previous_date":"1906-09-18","margin":13,"years_stood":3,"significance":20,"tie":false,"provisional":false,"lat":52.4578,"lon":13.3014},{"id":"GM000004204-1909-09-18-prcp_high-daily","station_id":"GM000004204","station_name":"Jena 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Rfc City","country":"US","type":"tmin_low","timescale":"daily","date":"1909-09-18","value":5,"unit":"c","previous_value":5.6,"previous_date":"1880-09-18","margin":0.6,"years_stood":28,"significance":13,"tie":false,"provisional":false,"lat":45.5333,"lon":-122.6667},{"id":"GME00123982-1909-09-18-prcp_high-daily","station_id":"GME00123982","station_name":"Augsburg (Sankt Stephan)","country":"DE","type":"prcp_high","timescale":"daily","date":"1909-09-18","value":7.1,"unit":"mm","previous_value":6.8,"previous_date":"1882-09-18","margin":0.3,"years_stood":26,"significance":11,"tie":false,"provisional":false,"lat":48.3731,"lon":10.8958},{"id":"GME00125014-1909-09-18-prcp_high-daily","station_id":"GME00125014","station_name":"Bamberg (Sternwarte)","country":"DE","type":"prcp_high","timescale":"daily","date":"1909-09-18","value":18.7,"unit":"mm","previous_value":16.4,"previous_date":"1897-09-18","margin":2.3,"years_stood":11,"significance":11,"tie":false,"provisional":false,"lat":49.8856,"lon":10.8894},{"id":"CA005023243-1909-09-18-tmin_high-daily","station_id":"CA005023243","station_name":"Winnipeg St Johns 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