{"title":"Records on 1904-05-19","description":"Every record set or tied on 1904-05-19.","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/1904-05-19/","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":"CA008202198-1904-05-19-prcp_high-daily","station_id":"CA008202198","station_name":"Halifax","country":"CA","type":"prcp_high","timescale":"daily","date":"1904-05-19","value":46.5,"unit":"mm","previous_value":36.1,"previous_date":"1875-05-19","margin":10.4,"years_stood":28,"significance":20,"tie":false,"provisional":false,"lat":44.65,"lon":-63.6},{"id":"CA007025280-1904-05-19-prcp_high-daily","station_id":"CA007025280","station_name":"Montreal McGill","country":"CA","type":"prcp_high","timescale":"daily","date":"1904-05-19","value":25.9,"unit":"mm","previous_value":22.9,"previous_date":"1874-05-19","margin":3,"years_stood":29,"significance":15,"tie":false,"provisional":false,"lat":45.5,"lon":-73.5833},{"id":"CA008204420-1904-05-19-prcp_high-daily","station_id":"CA008204420","station_name":"Pictou","country":"CA","type":"prcp_high","timescale":"daily","date":"1904-05-19","value":19.3,"unit":"mm","previous_value":14,"previous_date":"1882-05-19","margin":5.3,"years_stood":21,"significance":14,"tie":false,"provisional":false,"lat":45.7,"lon":-62.6833},{"id":"CA006126558-1904-05-19-prcp_high-daily","station_id":"CA006126558","station_name":"Point Clark","country":"CA","type":"prcp_high","timescale":"daily","date":"1904-05-19","value":26.9,"unit":"mm","previous_value":26.4,"previous_date":"1880-05-19","margin":0.5,"years_stood":23,"significance":10,"tie":false,"provisional":false,"lat":44.0833,"lon":-81.6833},{"id":"CA008205698-1904-05-19-tmax_low-daily","station_id":"CA008205698","station_name":"Sydney","country":"CA","type":"tmax_low","timescale":"daily","date":"1904-05-19","value":5.6,"unit":"c","previous_value":6.7,"previous_date":"1894-05-19","margin":1.1,"years_stood":9,"significance":7,"tie":false,"provisional":false,"lat":46.15,"lon":-60.2}]}