{"title":"Records on 1879-12-09","description":"Every record set or tied on 1879-12-09.","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/1879-12-09/","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":"EZE00100082-1879-12-09-tmax_low-daily","station_id":"EZE00100082","station_name":"Praha-Klementinum","country":"CZ","type":"tmax_low","timescale":"daily","date":"1879-12-09","value":-14.9,"unit":"c","previous_value":-9.6,"previous_date":"1788-12-09","margin":5.3,"years_stood":90,"significance":48,"tie":false,"provisional":false,"lat":50.0864,"lon":14.4164},{"id":"EZE00100082-1879-12-09-tmin_low-daily","station_id":"EZE00100082","station_name":"Praha-Klementinum","country":"CZ","type":"tmin_low","timescale":"daily","date":"1879-12-09","value":-19.9,"unit":"c","previous_value":-14.1,"previous_date":"1788-12-09","margin":5.8,"years_stood":90,"significance":47,"tie":false,"provisional":false,"lat":50.0864,"lon":14.4164},{"id":"ITE00100554-1879-12-09-tmax_low-daily","station_id":"ITE00100554","station_name":"Milan","country":"IT","type":"tmax_low","timescale":"daily","date":"1879-12-09","value":-3,"unit":"c","previous_value":-1.1,"previous_date":"1844-12-09","margin":1.9,"years_stood":34,"significance":25,"tie":false,"provisional":false,"lat":45.4717,"lon":9.1892},{"id":"ITE00100550-1879-12-09-tmin_low-daily","station_id":"ITE00100550","station_name":"Bologna","country":"IT","type":"tmin_low","timescale":"daily","date":"1879-12-09","value":-11,"unit":"c","previous_value":-5.7,"previous_date":"1871-12-09","margin":5.3,"years_stood":8,"significance":23,"tie":false,"provisional":false,"lat":44.5,"lon":11.3458},{"id":"GM000004204-1879-12-09-tmax_low-daily","station_id":"GM000004204","station_name":"Jena Sternwarte","country":"DE","type":"tmax_low","timescale":"daily","date":"1879-12-09","value":-9,"unit":"c","previous_value":-5.3,"previous_date":"1844-12-09","margin":3.7,"years_stood":34,"significance":22,"tie":false,"provisional":false,"lat":50.9267,"lon":11.5842},{"id":"ITE00100554-1879-12-09-tmin_low-daily","station_id":"ITE00100554","station_name":"Milan","country":"IT","type":"tmin_low","timescale":"daily","date":"1879-12-09","value":-11,"unit":"c","previous_value":-7.7,"previous_date":"1871-12-09","margin":3.3,"years_stood":8,"significance":21,"tie":false,"provisional":false,"lat":45.4717,"lon":9.1892},{"id":"BE000006447-1879-12-09-tmax_low-daily","station_id":"BE000006447","station_name":"Uccle","country":"BE","type":"tmax_low","timescale":"daily","date":"1879-12-09","value":-7.8,"unit":"c","previous_value":-6.1,"previous_date":"1844-12-09","margin":1.7,"years_stood":34,"significance":17,"tie":false,"provisional":false,"lat":50.8,"lon":4.35},{"id":"BE000006447-1879-12-09-tmin_low-monthly","station_id":"BE000006447","station_name":"Uccle","country":"BE","type":"tmin_low","timescale":"monthly","date":"1879-12-09","value":-17.7,"unit":"c","previous_value":-17.3,"previous_date":"1871-12-08","margin":0.4,"years_stood":8,"significance":16,"tie":false,"provisional":false,"lat":50.8,"lon":4.35},{"id":"GM000004204-1879-12-09-tmin_low-daily","station_id":"GM000004204","station_name":"Jena Sternwarte","country":"DE","type":"tmin_low","timescale":"daily","date":"1879-12-09","value":-21.4,"unit":"c","previous_value":-16.8,"previous_date":"1867-12-09","margin":4.6,"years_stood":12,"significance":15,"tie":false,"provisional":false,"lat":50.9267,"lon":11.5842}]}