{"title":"Records on 1918-05-31","description":"Every record set or tied on 1918-05-31.","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/1918-05-31/","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":"USW00093820-1918-05-31-tmin_high-monthly","station_id":"USW00093820","station_name":"Lexington Bluegrass AP","country":"US","type":"tmin_high","timescale":"monthly","date":"1918-05-31","value":23.3,"unit":"c","previous_value":22.8,"previous_date":"1875-05-27","margin":0.5,"years_stood":43,"significance":27,"tie":false,"provisional":false,"lat":38.0339,"lon":-84.6114},{"id":"USC00466207-1918-05-31-tmin_high-daily","station_id":"USC00466207","station_name":"Morgantown 1","country":"US","type":"tmin_high","timescale":"daily","date":"1918-05-31","value":20.6,"unit":"c","previous_value":18.3,"previous_date":"1874-05-31","margin":2.3,"years_stood":43,"significance":21,"tie":false,"provisional":false,"lat":39.6333,"lon":-79.95},{"id":"CE000434730-1918-05-31-tmin_low-daily","station_id":"CE000434730","station_name":"Nuwara Eliya","country":"LK","type":"tmin_low","timescale":"daily","date":"1918-05-31","value":8.2,"unit":"c","previous_value":8.9,"previous_date":"1875-05-31","margin":0.7,"years_stood":42,"significance":20,"tie":false,"provisional":false,"lat":6.967,"lon":80.767},{"id":"CA001090660-1918-05-31-snow_high-daily","station_id":"CA001090660","station_name":"Barkerville","country":"CA","type":"snow_high","timescale":"daily","date":"1918-05-31","value":33,"unit":"mm","previous_value":0,"previous_date":"1888-05-31","margin":33,"years_stood":29,"significance":19,"tie":false,"provisional":false,"lat":53.0667,"lon":-121.5167},{"id":"CA006143083-1918-05-31-tmin_high-daily","station_id":"CA006143083","station_name":"Guelph Oac","country":"CA","type":"tmin_high","timescale":"daily","date":"1918-05-31","value":14.4,"unit":"c","previous_value":13.9,"previous_date":"1881-05-31","margin":0.5,"years_stood":36,"significance":15,"tie":false,"provisional":false,"lat":43.5167,"lon":-80.2333},{"id":"USC00474375-1918-05-31-tmax_high-daily","station_id":"USC00474375","station_name":"La Crosse Wb City","country":"US","type":"tmax_high","timescale":"daily","date":"1918-05-31","value":30.6,"unit":"c","previous_value":28.9,"previous_date":"1895-05-31","margin":1.7,"years_stood":22,"significance":12,"tie":false,"provisional":false,"lat":43.8167,"lon":-91.25},{"id":"USW00014934-1918-05-31-tmax_high-daily","station_id":"USW00014934","station_name":"Dubuque River","country":"US","type":"tmax_high","timescale":"daily","date":"1918-05-31","value":30.6,"unit":"c","previous_value":30,"previous_date":"1895-05-31","margin":0.6,"years_stood":22,"significance":11,"tie":false,"provisional":false,"lat":42.4,"lon":-90.7},{"id":"USW00053875-1918-05-31-tmax_high-daily","station_id":"USW00053875","station_name":"Chattanooga Wb City","country":"US","type":"tmax_high","timescale":"daily","date":"1918-05-31","value":34.4,"unit":"c","previous_value":33.9,"previous_date":"1895-05-31","margin":0.5,"years_stood":22,"significance":11,"tie":false,"provisional":false,"lat":35.0667,"lon":-85.3},{"id":"CA005011760-1918-05-31-tmax_high-daily","station_id":"CA005011760","station_name":"Minnedosa","country":"CA","type":"tmax_high","timescale":"daily","date":"1918-05-31","value":27.8,"unit":"c","previous_value":27.2,"previous_date":"1894-05-31","margin":0.6,"years_stood":23,"significance":10,"tie":false,"provisional":false,"lat":50.2667,"lon":-99.8333},{"id":"CA008500500-1918-05-31-tmin_low-daily","station_id":"CA008500500","station_name":"Belle Isle","country":"CA","type":"tmin_low","timescale":"daily","date":"1918-05-31","value":-3.9,"unit":"c","previous_value":-2.2,"previous_date":"1913-05-31","margin":1.7,"years_stood":4,"significance":10,"tie":false,"provisional":false,"lat":51.8833,"lon":-55.3833},{"id":"CA006107003-1918-05-31-tmin_high-daily","station_id":"CA006107003","station_name":"Renfrew","country":"CA","type":"tmin_high","timescale":"daily","date":"1918-05-31","value":16.1,"unit":"c","previous_value":15.6,"previous_date":"1895-05-31","margin":0.5,"years_stood":22,"significance":9,"tie":false,"provisional":false,"lat":45.4333,"lon":-76.65},{"id":"UPM00033946-1918-05-31-tmin_low-daily","station_id":"UPM00033946","station_name":"Simferopol","country":"UA","type":"tmin_low","timescale":"daily","date":"1918-05-31","value":0.7,"unit":"c","previous_value":2.6,"previous_date":"1912-05-31","margin":1.9,"years_stood":5,"significance":9,"tie":false,"provisional":false,"lat":44.7,"lon":34.1331},{"id":"CA001090660-1918-05-31-tmax_low-daily","station_id":"CA001090660","station_name":"Barkerville","country":"CA","type":"tmax_low","timescale":"daily","date":"1918-05-31","value":5.6,"unit":"c","previous_value":7.8,"previous_date":"1912-05-31","margin":2.2,"years_stood":5,"significance":8,"tie":false,"provisional":false,"lat":53.0667,"lon":-121.5167},{"id":"CA005022790-1918-05-31-tmax_high-daily","station_id":"CA005022790","station_name":"Stony Mountain","country":"CA","type":"tmax_high","timescale":"daily","date":"1918-05-31","value":30.6,"unit":"c","previous_value":27.8,"previous_date":"1915-05-31","margin":2.8,"years_stood":3,"significance":8,"tie":false,"provisional":false,"lat":50.0667,"lon":-97.2333},{"id":"UK000003026-1918-05-31-tmin_high-daily","station_id":"UK000003026","station_name":"Stornoway Airport","country":"GB","type":"tmin_high","timescale":"daily","date":"1918-05-31","value":10.6,"unit":"c","previous_value":10.6,"previous_date":"1881-05-31","margin":0,"years_stood":36,"significance":3,"tie":true,"provisional":false,"lat":58.33,"lon":-6.32},{"id":"CA004016320-1918-05-31-tmax_high-daily","station_id":"CA004016320","station_name":"Qu'appelle","country":"CA","type":"tmax_high","timescale":"daily","date":"1918-05-31","value":26.7,"unit":"c","previous_value":26.7,"previous_date":"1901-05-31","margin":0,"years_stood":16,"significance":2,"tie":true,"provisional":false,"lat":50.5167,"lon":-103.8833},{"id":"CA005023243-1918-05-31-tmin_high-daily","station_id":"CA005023243","station_name":"Winnipeg St Johns Coll","country":"CA","type":"tmin_high","timescale":"daily","date":"1918-05-31","value":15.6,"unit":"c","previous_value":15.6,"previous_date":"1902-05-31","margin":0,"years_stood":16,"significance":2,"tie":true,"provisional":false,"lat":49.8833,"lon":-97.1167},{"id":"CA007050790-1918-05-31-tmin_high-daily","station_id":"CA007050790","station_name":"Bird Rocks","country":"CA","type":"tmin_high","timescale":"daily","date":"1918-05-31","value":6.1,"unit":"c","previous_value":6.1,"previous_date":"1895-05-31","margin":0,"years_stood":22,"significance":2,"tie":true,"provisional":false,"lat":47.85,"lon":-61.1333},{"id":"USC00034251-1918-05-31-tmin_high-daily","station_id":"USC00034251","station_name":"Little Rock St Capitol","country":"US","type":"tmin_high","timescale":"daily","date":"1918-05-31","value":22.8,"unit":"c","previous_value":22.8,"previous_date":"1895-05-31","margin":0,"years_stood":22,"significance":2,"tie":true,"provisional":false,"lat":34.75,"lon":-92.2833},{"id":"USC00475484-1918-05-31-tmax_high-daily","station_id":"USC00475484","station_name":"Milwaukee Wb City","country":"US","type":"tmax_high","timescale":"daily","date":"1918-05-31","value":31.7,"unit":"c","previous_value":31.7,"previous_date":"1895-05-31","margin":0,"years_stood":22,"significance":2,"tie":true,"provisional":false,"lat":43.0333,"lon":-87.9}]}