{"title":"Records on 03-18 in past years","description":"Record events on 03-18 across the years in the data.","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/on-this-day/03-18/","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":"USC00449301-2002-03-18-prcp_high-monthly","station_id":"USC00449301","station_name":"Wytheville","country":"US","type":"prcp_high","timescale":"monthly","date":"2002-03-18","value":95,"unit":"mm","previous_value":64,"previous_date":"1896-03-29","margin":31,"years_stood":105,"significance":85,"tie":false,"provisional":false,"lat":36.9364,"lon":-81.062},{"id":"USC00113879-2008-03-18-prcp_high-all-time","station_id":"USC00113879","station_name":"Harrisburg","country":"US","type":"prcp_high","timescale":"all-time","date":"2008-03-18","value":254,"unit":"mm","previous_value":187.5,"previous_date":"1957-05-22","margin":66.5,"years_stood":50,"significance":85,"tie":false,"provisional":false,"lat":37.7408,"lon":-88.5244},{"id":"USC00481610-1998-03-18-prcp_high-monthly","station_id":"USC00481610","station_name":"Centennial 1NE","country":"US","type":"prcp_high","timescale":"monthly","date":"1998-03-18","value":47,"unit":"mm","previous_value":33,"previous_date":"1906-03-10","margin":14,"years_stood":92,"significance":82,"tie":false,"provisional":false,"lat":41.3136,"lon":-106.1292},{"id":"USC00053261-2003-03-18-snow_high-monthly","station_id":"USC00053261","station_name":"Georgetown","country":"US","type":"snow_high","timescale":"monthly","date":"2003-03-18","value":485,"unit":"mm","previous_value":305,"previous_date":"1922-03-17","margin":180,"years_stood":81,"significance":82,"tie":false,"provisional":false,"lat":39.7053,"lon":-105.6997},{"id":"USC00190736-1968-03-18-prcp_high-monthly","station_id":"USC00190736","station_name":"Blue Hill 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(Lachlan St)","country":"AU","type":"prcp_high","timescale":"all-time","date":"1939-03-18","value":144.8,"unit":"mm","previous_value":93,"previous_date":"1891-01-17","margin":51.8,"years_stood":48,"significance":79,"tie":false,"provisional":false,"lat":-33.1094,"lon":146.4736},{"id":"USC00235227-2008-03-18-prcp_high-daily","station_id":"USC00235227","station_name":"Mansfield","country":"US","type":"prcp_high","timescale":"daily","date":"2008-03-18","value":73.4,"unit":"mm","previous_value":25.4,"previous_date":"1897-03-18","margin":48,"years_stood":110,"significance":78,"tie":false,"provisional":false,"lat":37.1086,"lon":-92.5789},{"id":"USC00413063-2015-03-18-prcp_high-daily","station_id":"USC00413063","station_name":"Falfurrias","country":"US","type":"prcp_high","timescale":"daily","date":"2015-03-18","value":53.6,"unit":"mm","previous_value":14.2,"previous_date":"1915-03-18","margin":39.4,"years_stood":100,"significance":78,"tie":false,"provisional":false,"lat":27.1353,"lon":-98.1203},{"id":"ASN00023312-1985-03-18-prcp_high-daily","station_id":"ASN00023312","station_name":"Nuriootpa","country":"AU","type":"prcp_high","timescale":"daily","date":"1985-03-18","value":47.6,"unit":"mm","previous_value":7.6,"previous_date":"1890-03-18","margin":40,"years_stood":94,"significance":78,"tie":false,"provisional":false,"lat":-34.4747,"lon":138.9928},{"id":"USC00053496-2003-03-18-snow_high-monthly","station_id":"USC00053496","station_name":"Grand 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(Ellismayne)","country":"AU","type":"prcp_high","timescale":"daily","date":"2005-03-18","value":68,"unit":"mm","previous_value":15.2,"previous_date":"1893-03-18","margin":52.8,"years_stood":111,"significance":77,"tie":false,"provisional":false,"lat":-32.0878,"lon":149.2349},{"id":"GL000004360-2012-03-18-prcp_high-daily","station_id":"GL000004360","station_name":"Tasiilaq","country":"GL","type":"prcp_high","timescale":"daily","date":"2012-03-18","value":52.6,"unit":"mm","previous_value":23.5,"previous_date":"1905-03-18","margin":29.1,"years_stood":107,"significance":76,"tie":false,"provisional":false,"lat":65.5997,"lon":-37.6331},{"id":"USC00418221-2020-03-18-prcp_high-daily","station_id":"USC00418221","station_name":"Seymour 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