{"title":"Records on 1917-04-17","description":"Every record set or tied on 1917-04-17.","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/1917-04-17/","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":"SW000002196-1917-04-17-prcp_high-monthly","station_id":"SW000002196","station_name":"Haparanda","country":"SE","type":"prcp_high","timescale":"monthly","date":"1917-04-17","value":24.6,"unit":"mm","previous_value":21.4,"previous_date":"1882-04-21","margin":3.2,"years_stood":34,"significance":20,"tie":false,"provisional":false,"lat":65.8269,"lon":24.1439},{"id":"MD000033815-1917-04-17-prcp_high-daily","station_id":"MD000033815","station_name":"Kisinev","country":"MD","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":30.6,"unit":"mm","previous_value":19.7,"previous_date":"1889-04-17","margin":10.9,"years_stood":27,"significance":29,"tie":false,"provisional":false,"lat":47.02,"lon":28.87},{"id":"AGE00135039-1917-04-17-tmax_low-daily","station_id":"AGE00135039","station_name":"Oran-Hopital Militaire","country":"DZ","type":"tmax_low","timescale":"daily","date":"1917-04-17","value":16,"unit":"c","previous_value":17,"previous_date":"1860-04-17","margin":1,"years_stood":56,"significance":26,"tie":false,"provisional":false,"lat":35.7297,"lon":0.65},{"id":"SWE00139396-1917-04-17-prcp_high-daily","station_id":"SWE00139396","station_name":"Orskar_A","country":"SE","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":12.7,"unit":"mm","previous_value":7.2,"previous_date":"1896-04-17","margin":5.5,"years_stood":20,"significance":20,"tie":false,"provisional":false,"lat":60.53,"lon":18.38},{"id":"CA005021840-1917-04-17-snow_high-daily","station_id":"CA005021840","station_name":"Morden","country":"CA","type":"snow_high","timescale":"daily","date":"1917-04-17","value":76,"unit":"mm","previous_value":13,"previous_date":"1888-04-17","margin":63,"years_stood":28,"significance":22,"tie":false,"provisional":false,"lat":49.1833,"lon":-98.1},{"id":"SF000216550-1917-04-17-prcp_high-daily","station_id":"SF000216550","station_name":"Stellenbosch (Tnk)","country":"ZA","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":20.3,"unit":"mm","previous_value":8.6,"previous_date":"1898-04-17","margin":11.7,"years_stood":18,"significance":20,"tie":false,"provisional":false,"lat":-33.93,"lon":18.87},{"id":"SWE00140492-1917-04-17-prcp_high-daily","station_id":"SWE00140492","station_name":"Pitea","country":"SE","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":16.4,"unit":"mm","previous_value":10.5,"previous_date":"1913-04-17","margin":5.9,"years_stood":4,"significance":20,"tie":false,"provisional":false,"lat":65.3197,"lon":21.49},{"id":"UK000047811-1917-04-17-prcp_high-daily","station_id":"UK000047811","station_name":"Armagh","country":"GB","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":9,"unit":"mm","previous_value":8,"previous_date":"1878-04-17","margin":1,"years_stood":38,"significance":20,"tie":false,"provisional":false,"lat":54.35,"lon":-6.65},{"id":"CA003034480-1917-04-17-prcp_high-daily","station_id":"CA003034480","station_name":"Medicine Hat A","country":"CA","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":4.1,"unit":"mm","previous_value":1.3,"previous_date":"1885-04-17","margin":2.8,"years_stood":31,"significance":19,"tie":false,"provisional":false,"lat":50.0167,"lon":-110.7167},{"id":"AGE00147716-1917-04-17-tmin_low-daily","station_id":"AGE00147716","station_name":"Nemours (Ghazaouet)","country":"DZ","type":"tmin_low","timescale":"daily","date":"1917-04-17","value":6,"unit":"c","previous_value":7,"previous_date":"1882-04-17","margin":1,"years_stood":34,"significance":18,"tie":false,"provisional":false,"lat":35.1,"lon":-1.85},{"id":"ASN00015540-1917-04-17-tmin_low-daily","station_id":"ASN00015540","station_name":"Alice Springs Post Office","country":"AU","type":"tmin_low","timescale":"daily","date":"1917-04-17","value":3.3,"unit":"c","previous_value":5.6,"previous_date":"1885-04-17","margin":2.3,"years_stood":31,"significance":18,"tie":false,"provisional":false,"lat":-23.71,"lon":133.8683},{"id":"NOE00100575-1917-04-17-snwd_high-daily","station_id":"NOE00100575","station_name":"Halden","country":"NO","type":"snwd_high","timescale":"daily","date":"1917-04-17","value":10,"unit":"mm","previous_value":0,"previous_date":"1882-04-17","margin":10,"years_stood":34,"significance":18,"tie":false,"provisional":false,"lat":59.1225,"lon":11.3883},{"id":"USC00047738-1917-04-17-tmax_low-daily","station_id":"USC00047738","station_name":"San Diego Wbo","country":"US","type":"tmax_low","timescale":"daily","date":"1917-04-17","value":13.9,"unit":"c","previous_value":15,"previous_date":"1880-04-17","margin":1.1,"years_stood":36,"significance":18,"tie":false,"provisional":false,"lat":32.7167,"lon":-117.1667},{"id":"CA005021840-1917-04-17-prcp_high-daily","station_id":"CA005021840","station_name":"Morden","country":"CA","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":26.9,"unit":"mm","previous_value":20.3,"previous_date":"1891-04-17","margin":6.6,"years_stood":25,"significance":17,"tie":false,"provisional":false,"lat":49.1833,"lon":-98.1},{"id":"SWE00140336-1917-04-17-prcp_high-monthly","station_id":"SWE00140336","station_name":"Bjuroklubb","country":"SE","type":"prcp_high","timescale":"monthly","date":"1917-04-17","value":16.3,"unit":"mm","previous_value":15.5,"previous_date":"1907-04-27","margin":0.8,"years_stood":9,"significance":17,"tie":false,"provisional":false,"lat":64.48,"lon":21.58},{"id":"SWE00139028-1917-04-17-prcp_high-daily","station_id":"SWE00139028","station_name":"Vasteras-Hasslo","country":"SE","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":9.7,"unit":"mm","previous_value":7.2,"previous_date":"1907-04-17","margin":2.5,"years_stood":10,"significance":16,"tie":false,"provisional":false,"lat":59.59,"lon":16.63},{"id":"AGE00135039-1917-04-17-tmin_low-daily","station_id":"AGE00135039","station_name":"Oran-Hopital Militaire","country":"DZ","type":"tmin_low","timescale":"daily","date":"1917-04-17","value":8,"unit":"c","previous_value":8.2,"previous_date":"1884-04-17","margin":0.2,"years_stood":32,"significance":15,"tie":false,"provisional":false,"lat":35.7297,"lon":0.65},{"id":"SF000067330-1917-04-17-prcp_high-daily","station_id":"SF000067330","station_name":"Caledon (Pol)","country":"ZA","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":14.7,"unit":"mm","previous_value":12.7,"previous_date":"1884-04-17","margin":2,"years_stood":32,"significance":15,"tie":false,"provisional":false,"lat":-34.22,"lon":19.43},{"id":"SF000508870-1917-04-17-prcp_high-daily","station_id":"SF000508870","station_name":"Willowmore","country":"ZA","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":5.3,"unit":"mm","previous_value":4.1,"previous_date":"1884-04-17","margin":1.2,"years_stood":32,"significance":15,"tie":false,"provisional":false,"lat":-33.283,"lon":23.5},{"id":"SWM00002080-1917-04-17-prcp_high-daily","station_id":"SWM00002080","station_name":"Karesuando","country":"SE","type":"prcp_high","timescale":"daily","date":"1917-04-17","value":6.5,"unit":"mm","previous_value":4.2,"previous_date":"1915-04-17","margin":2.3,"years_stood":2,"significance":15,"tie":false,"provisional":false,"lat":68.4419,"lon":22.4503},{"id":"CA006075400-1917-04-17-tmin_low-daily","station_id":"CA006075400","station_name":"Moose Factory","country":"CA","type":"tmin_low","timescale":"daily","date":"1917-04-17","value":-20.6,"unit":"c","previous_value":-18.9,"previous_date":"1890-04-17","margin":1.7,"years_stood":26,"significance":14,"tie":false,"provisional":false,"lat":51.2333,"lon":-80.5},{"id":"GME00123154-1917-04-17-tmax_low-daily","station_id":"GME00123154","station_name":"Arnsberg","country":"DE","type":"tmax_low","timescale":"daily","date":"1917-04-17","value":4.2,"unit":"c","previous_value":5.5,"previous_date":"1889-04-17","margin":1.3,"years_stood":27,"significance":13,"tie":false,"provisional":false,"lat":51.3783,"lon":8.0719},{"id":"CA003034480-1917-04-17-snow_high-daily","station_id":"CA003034480","station_name":"Medicine Hat A","country":"CA","type":"snow_high","timescale":"daily","date":"1917-04-17","value":15,"unit":"mm","previous_value":13,"previous_date":"1885-04-17","margin":2,"years_stood":31,"significance":12,"tie":false,"provisional":false,"lat":50.0167,"lon":-110.7167},{"id":"AGE00147705-1917-04-17-tmin_low-daily","station_id":"AGE00147705","station_name":"Algiers-Ville/Universite","country":"DZ","type":"tmin_low","timescale":"daily","date":"1917-04-17","value":8,"unit":"c","previous_value":8.6,"previous_date":"1898-04-17","margin":0.6,"years_stood":18,"significance":10,"tie":false,"provisional":false,"lat":36.78,"lon":3.07},{"id":"ASN00026026-1917-04-17-tmin_low-daily","station_id":"ASN00026026","station_name":"Robe Comparison","country":"AU","type":"tmin_low","timescale":"daily","date":"1917-04-17","value":6.9,"unit":"c","previous_value":7.1,"previous_date":"1892-04-17","margin":0.2,"years_stood":24,"significance":10,"tie":false,"provisional":false,"lat":-37.1628,"lon":139.756},{"id":"USW00012945-1917-04-17-tmin_high-daily","station_id":"USW00012945","station_name":"Houston Wb City","country":"US","type":"tmin_high","timescale":"daily","date":"1917-04-17","value":21.1,"unit":"c","previous_value":20.6,"previous_date":"1894-04-17","margin":0.5,"years_stood":22,"significance":10,"tie":false,"provisional":false,"lat":29.7667,"lon":-95.3667},{"id":"ASN00023000-1917-04-17-tmin_low-daily","station_id":"ASN00023000","station_name":"Adelaide West Terrace","country":"AU","type":"tmin_low","timescale":"daily","date":"1917-04-17","value":6.9,"unit":"c","previous_value":7.8,"previous_date":"1907-04-17","margin":0.9,"years_stood":10,"significance":8,"tie":false,"provisional":false,"lat":-34.9254,"lon":138.5869},{"id":"CA007056067-1917-04-17-tmin_high-daily","station_id":"CA007056067","station_name":"Pointe Au Pere","country":"CA","type":"tmin_high","timescale":"daily","date":"1917-04-17","value":1.7,"unit":"c","previous_value":1.7,"previous_date":"1883-04-17","margin":0,"years_stood":33,"significance":3,"tie":true,"provisional":false,"lat":48.5,"lon":-68.4833},{"id":"USC00350324-1917-04-17-tmax_low-daily","station_id":"USC00350324","station_name":"Astoria","country":"US","type":"tmax_low","timescale":"daily","date":"1917-04-17","value":10,"unit":"c","previous_value":10,"previous_date":"1893-04-17","margin":0,"years_stood":23,"significance":2,"tie":true,"provisional":false,"lat":46.1833,"lon":-123.8333},{"id":"USW00024128-1917-04-17-tmin_low-daily","station_id":"USW00024128","station_name":"Winnemucca AP","country":"US","type":"tmin_low","timescale":"daily","date":"1917-04-17","value":-5.6,"unit":"c","previous_value":-5.6,"previous_date":"1896-04-17","margin":0,"years_stood":20,"significance":2,"tie":true,"provisional":false,"lat":40.9017,"lon":-117.8081},{"id":"RSM00026063-1917-04-17-tmax_high-daily","station_id":"RSM00026063","station_name":"St. Petersburg","country":"RU","type":"tmax_high","timescale":"daily","date":"1917-04-17","value":16.7,"unit":"c","previous_value":16.7,"previous_date":"1913-04-17","margin":0,"years_stood":4,"significance":1,"tie":true,"provisional":false,"lat":59.9667,"lon":30.3},{"id":"SW000002196-1917-04-17-tmin_high-daily","station_id":"SW000002196","station_name":"Haparanda","country":"SE","type":"tmin_high","timescale":"daily","date":"1917-04-17","value":1,"unit":"c","previous_value":1,"previous_date":"1912-04-17","margin":0,"years_stood":4,"significance":1,"tie":true,"provisional":false,"lat":65.8269,"lon":24.1439}]}