{"title":"Records on 1915-12-17","description":"Every record set or tied on 1915-12-17.","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/1915-12-17/","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":"USC00015555-1915-12-17-prcp_high-daily","station_id":"USC00015555","station_name":"Montgomery Wb City","country":"US","type":"prcp_high","timescale":"daily","date":"1915-12-17","value":84.3,"unit":"mm","previous_value":16.5,"previous_date":"1872-12-17","margin":67.8,"years_stood":42,"significance":56,"tie":false,"provisional":false,"lat":32.3833,"lon":-86.3},{"id":"USW00053875-1915-12-17-prcp_high-daily","station_id":"USW00053875","station_name":"Chattanooga Wb City","country":"US","type":"prcp_high","timescale":"daily","date":"1915-12-17","value":64,"unit":"mm","previous_value":16.3,"previous_date":"1912-12-17","margin":47.7,"years_stood":2,"significance":39,"tie":false,"provisional":false,"lat":35.0667,"lon":-85.3},{"id":"USC00034562-1915-12-17-prcp_high-daily","station_id":"USC00034562","station_name":"Malvern","country":"US","type":"prcp_high","timescale":"daily","date":"1915-12-17","value":54.6,"unit":"mm","previous_value":15.2,"previous_date":"1906-12-17","margin":39.4,"years_stood":8,"significance":31,"tie":false,"provisional":false,"lat":34.3947,"lon":-92.8364},{"id":"USW00093820-1915-12-17-prcp_high-daily","station_id":"USW00093820","station_name":"Lexington Bluegrass AP","country":"US","type":"prcp_high","timescale":"daily","date":"1915-12-17","value":36.3,"unit":"mm","previous_value":13.7,"previous_date":"1906-12-17","margin":22.6,"years_stood":8,"significance":30,"tie":false,"provisional":false,"lat":38.0339,"lon":-84.6114},{"id":"USC00466207-1915-12-17-prcp_high-daily","station_id":"USC00466207","station_name":"Morgantown 1","country":"US","type":"prcp_high","timescale":"daily","date":"1915-12-17","value":34.3,"unit":"mm","previous_value":17.8,"previous_date":"1906-12-17","margin":16.5,"years_stood":8,"significance":26,"tie":false,"provisional":false,"lat":39.6333,"lon":-79.95},{"id":"CA006046588-1915-12-17-snow_high-daily","station_id":"CA006046588","station_name":"Port Arthur","country":"CA","type":"snow_high","timescale":"daily","date":"1915-12-17","value":84,"unit":"mm","previous_value":38,"previous_date":"1883-12-17","margin":46,"years_stood":31,"significance":25,"tie":false,"provisional":false,"lat":48.4333,"lon":-89.2167},{"id":"CA006046588-1915-12-17-prcp_high-daily","station_id":"CA006046588","station_name":"Port Arthur","country":"CA","type":"prcp_high","timescale":"daily","date":"1915-12-17","value":8.4,"unit":"mm","previous_value":3.8,"previous_date":"1883-12-17","margin":4.6,"years_stood":31,"significance":20,"tie":false,"provisional":false,"lat":48.4333,"lon":-89.2167},{"id":"ASN00056017-1915-12-17-tmax_low-daily","station_id":"ASN00056017","station_name":"Inverell Comparison","country":"AU","type":"tmax_low","timescale":"daily","date":"1915-12-17","value":20.1,"unit":"c","previous_value":23.9,"previous_date":"1885-12-17","margin":3.8,"years_stood":29,"significance":21,"tie":false,"provisional":false,"lat":-29.7783,"lon":151.1114},{"id":"CA006136643-1915-12-17-prcp_high-daily","station_id":"CA006136643","station_name":"Port Dover","country":"CA","type":"prcp_high","timescale":"daily","date":"1915-12-17","value":14,"unit":"mm","previous_value":10.4,"previous_date":"1876-12-17","margin":3.6,"years_stood":38,"significance":20,"tie":false,"provisional":false,"lat":42.7833,"lon":-80.2167},{"id":"FR013055001-1915-12-17-prcp_high-daily","station_id":"FR013055001","station_name":"Marseille Obs. 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