{"title":"Records on 1918-05-02","description":"Every record set or tied on 1918-05-02.","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/1918-05-02/","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":"SF000414170-1918-05-02-prcp_high-daily","station_id":"SF000414170","station_name":"Malmesbury","country":"ZA","type":"prcp_high","timescale":"daily","date":"1918-05-02","value":31.8,"unit":"mm","previous_value":17.3,"previous_date":"1881-05-02","margin":14.5,"years_stood":36,"significance":33,"tie":false,"provisional":false,"lat":-33.467,"lon":18.717},{"id":"CA008206300-1918-05-02-prcp_high-monthly","station_id":"CA008206300","station_name":"Whitehead","country":"CA","type":"prcp_high","timescale":"monthly","date":"1918-05-02","value":50.8,"unit":"mm","previous_value":44.5,"previous_date":"1884-05-10","margin":6.3,"years_stood":33,"significance":29,"tie":false,"provisional":false,"lat":45.2167,"lon":-61.1833},{"id":"CA008403500-1918-05-02-tmax_high-daily","station_id":"CA008403500","station_name":"St 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Westminster","country":"CA","type":"tmin_high","timescale":"daily","date":"1918-05-02","value":10.6,"unit":"c","previous_value":10,"previous_date":"1895-05-02","margin":0.6,"years_stood":22,"significance":12,"tie":false,"provisional":false,"lat":49.2167,"lon":-122.9333},{"id":"CA003034480-1918-05-02-tmax_high-daily","station_id":"CA003034480","station_name":"Medicine Hat 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