{"title":"Records on 08-18 in past years","description":"Record events on 08-18 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/08-18/","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":"RSM00024136-2021-08-18-prcp_high-all-time","station_id":"RSM00024136","station_name":"Suhana","country":"RU","type":"prcp_high","timescale":"all-time","date":"2021-08-18","value":99.1,"unit":"mm","previous_value":56.2,"previous_date":"1942-07-01","margin":42.9,"years_stood":79,"significance":91,"tie":false,"provisional":false,"lat":68.62,"lon":118.33},{"id":"USW00023162-2021-08-18-prcp_high-all-time","station_id":"USW00023162","station_name":"Delta","country":"US","type":"prcp_high","timescale":"all-time","date":"2021-08-18","value":111.5,"unit":"mm","previous_value":65.8,"previous_date":"1946-10-28","margin":45.7,"years_stood":74,"significance":90,"tie":false,"provisional":false,"lat":39.3375,"lon":-112.5858},{"id":"USC00132689-2007-08-18-prcp_high-all-time","station_id":"USC00132689","station_name":"Emmetsburg","country":"US","type":"prcp_high","timescale":"all-time","date":"2007-08-18","value":228.6,"unit":"mm","previous_value":162.6,"previous_date":"1950-09-21","margin":66,"years_stood":56,"significance":87,"tie":false,"provisional":false,"lat":43.1025,"lon":-94.6833},{"id":"USC00386209-1986-08-18-prcp_high-all-time","station_id":"USC00386209","station_name":"Newberry","country":"US","type":"prcp_high","timescale":"all-time","date":"1986-08-18","value":264.7,"unit":"mm","previous_value":188,"previous_date":"1929-10-01","margin":76.7,"years_stood":56,"significance":86,"tie":false,"provisional":false,"lat":34.2917,"lon":-81.6208},{"id":"ASN00082024-2017-08-18-prcp_high-monthly","station_id":"ASN00082024","station_name":"Koetong","country":"AU","type":"prcp_high","timescale":"monthly","date":"2017-08-18","value":113.8,"unit":"mm","previous_value":76.2,"previous_date":"1889-08-29","margin":37.6,"years_stood":127,"significance":82,"tie":false,"provisional":false,"lat":-36.1523,"lon":147.4938},{"id":"USC00426357-2021-08-18-prcp_high-monthly","station_id":"USC00426357","station_name":"Oak 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3S","country":"US","type":"prcp_high","timescale":"all-time","date":"1993-08-18","value":96.5,"unit":"mm","previous_value":76.2,"previous_date":"1910-09-25","margin":20.3,"years_stood":82,"significance":81,"tie":false,"provisional":false,"lat":44.2169,"lon":-104.9292},{"id":"USC00397545-1990-08-18-prcp_high-monthly","station_id":"USC00397545","station_name":"Selby","country":"US","type":"prcp_high","timescale":"monthly","date":"1990-08-18","value":88.1,"unit":"mm","previous_value":42.2,"previous_date":"1911-08-07","margin":45.9,"years_stood":79,"significance":81,"tie":false,"provisional":false,"lat":45.51,"lon":-100.0356},{"id":"GME00121126-2016-08-18-prcp_high-monthly","station_id":"GME00121126","station_name":"Ohringen","country":"DE","type":"prcp_high","timescale":"monthly","date":"2016-08-18","value":76.2,"unit":"mm","previous_value":45.6,"previous_date":"1945-08-19","margin":30.6,"years_stood":70,"significance":81,"tie":false,"provisional":false,"lat":49.2081,"lon":9.5183},{"id":"RSM00022028-1954-08-18-prcp_high-all-time","station_id":"RSM00022028","station_name":"Teriberka","country":"RU","type":"prcp_high","timescale":"all-time","date":"1954-08-18","value":81.4,"unit":"mm","previous_value":62.2,"previous_date":"1900-07-16","margin":19.2,"years_stood":54,"significance":81,"tie":false,"provisional":false,"lat":69.2,"lon":35.1},{"id":"AGE00147716-2010-08-18-prcp_high-daily","station_id":"AGE00147716","station_name":"Nemours (Ghazaouet)","country":"DZ","type":"prcp_high","timescale":"daily","date":"2010-08-18","value":27.9,"unit":"mm","previous_value":0,"previous_date":"1878-08-18","margin":27.9,"years_stood":131,"significance":80,"tie":false,"provisional":false,"lat":35.1,"lon":-1.85},{"id":"USW00013972-2021-08-18-prcp_high-daily","station_id":"USW00013972","station_name":"Tyler Pounds Fld","country":"US","type":"prcp_high","timescale":"daily","date":"2021-08-18","value":120.7,"unit":"mm","previous_value":33,"previous_date":"1903-08-18","margin":87.7,"years_stood":118,"significance":80,"tie":false,"provisional":false,"lat":32.3586,"lon":-95.4039},{"id":"ASN00068054-2014-08-18-prcp_high-daily","station_id":"ASN00068054","station_name":"Robertson (Caalong 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Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1998-08-18","value":85.6,"unit":"mm","previous_value":14,"previous_date":"1899-08-18","margin":71.6,"years_stood":98,"significance":79,"tie":false,"provisional":false,"lat":-36.0876,"lon":150.0508}]}