{"title":"Records on 1914-05-01","description":"Every record set or tied on 1914-05-01.","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/1914-05-01/","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":"CA008206490-1914-05-01-tmax_low-monthly","station_id":"CA008206490","station_name":"Yarmouth","country":"CA","type":"tmax_low","timescale":"monthly","date":"1914-05-01","value":3.3,"unit":"c","previous_value":3.9,"previous_date":"1882-05-05","margin":0.6,"years_stood":31,"significance":24,"tie":false,"provisional":false,"lat":43.8333,"lon":-66.0333},{"id":"CA008300298-1914-05-01-tmax_low-monthly","station_id":"CA008300298","station_name":"Charlottetown","country":"CA","type":"tmax_low","timescale":"monthly","date":"1914-05-01","value":0,"unit":"c","previous_value":0.6,"previous_date":"1884-05-01","margin":0.6,"years_stood":29,"significance":23,"tie":false,"provisional":false,"lat":46.2333,"lon":-63.1667},{"id":"CA008205988-1914-05-01-tmax_low-monthly","station_id":"CA008205988","station_name":"Truro","country":"CA","type":"tmax_low","timescale":"monthly","date":"1914-05-01","value":0,"unit":"c","previous_value":0.6,"previous_date":"1896-05-01","margin":0.6,"years_stood":17,"significance":20,"tie":false,"provisional":false,"lat":45.35,"lon":-63.3},{"id":"CA008202198-1914-05-01-tmin_low-daily","station_id":"CA008202198","station_name":"Halifax","country":"CA","type":"tmin_low","timescale":"daily","date":"1914-05-01","value":-3.3,"unit":"c","previous_value":-2.2,"previous_date":"1873-05-01","margin":1.1,"years_stood":40,"significance":19,"tie":false,"provisional":false,"lat":44.65,"lon":-63.6},{"id":"AU000005010-1914-05-01-prcp_high-daily","station_id":"AU000005010","station_name":"Kremsmuenster","country":"AT","type":"prcp_high","timescale":"daily","date":"1914-05-01","value":25.3,"unit":"mm","previous_value":16.8,"previous_date":"1897-05-01","margin":8.5,"years_stood":16,"significance":18,"tie":false,"provisional":false,"lat":48.05,"lon":14.1331},{"id":"CA007050790-1914-05-01-snow_high-daily","station_id":"CA007050790","station_name":"Bird 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