{"title":"Records on 05-20 in past years","description":"Record events on 05-20 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/05-20/","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":"ASN00040284-2009-05-20-prcp_high-monthly","station_id":"ASN00040284","station_name":"Beerburrum Forest Station","country":"AU","type":"prcp_high","timescale":"monthly","date":"2009-05-20","value":301.8,"unit":"mm","previous_value":203.2,"previous_date":"1903-05-31","margin":98.6,"years_stood":105,"significance":90,"tie":false,"provisional":false,"lat":-26.9586,"lon":152.9619},{"id":"USC00033466-1990-05-20-prcp_high-all-time","station_id":"USC00033466","station_name":"Hot Springs 1 NNE","country":"US","type":"prcp_high","timescale":"all-time","date":"1990-05-20","value":329.4,"unit":"mm","previous_value":228.9,"previous_date":"1923-05-15","margin":100.5,"years_stood":67,"significance":90,"tie":false,"provisional":false,"lat":34.5128,"lon":-93.0486},{"id":"SG000061612-2023-05-20-prcp_high-monthly","station_id":"SG000061612","station_name":"Podor","country":"SN","type":"prcp_high","timescale":"monthly","date":"2023-05-20","value":90.9,"unit":"mm","previous_value":54,"previous_date":"1936-05-21","margin":36.9,"years_stood":86,"significance":82,"tie":false,"provisional":false,"lat":16.633,"lon":-14.917},{"id":"USC00411888-1983-05-20-prcp_high-monthly","station_id":"USC00411888","station_name":"College STN 6 SW","country":"US","type":"prcp_high","timescale":"monthly","date":"1983-05-20","value":186.9,"unit":"mm","previous_value":116.8,"previous_date":"1893-05-11","margin":70.1,"years_stood":90,"significance":81,"tie":false,"provisional":false,"lat":30.5333,"lon":-96.4167},{"id":"ASN00084016-1978-05-20-prcp_high-all-time","station_id":"ASN00084016","station_name":"Gabo Island Lighthouse","country":"AU","type":"prcp_high","timescale":"all-time","date":"1978-05-20","value":207.2,"unit":"mm","previous_value":165.1,"previous_date":"1911-03-15","margin":42.1,"years_stood":67,"significance":81,"tie":false,"provisional":false,"lat":-37.5679,"lon":149.9158},{"id":"USC00354329-2020-05-20-prcp_high-daily","station_id":"USC00354329","station_name":"Joseph","country":"US","type":"prcp_high","timescale":"daily","date":"2020-05-20","value":40.6,"unit":"mm","previous_value":16,"previous_date":"1905-05-20","margin":24.6,"years_stood":115,"significance":80,"tie":false,"provisional":false,"lat":45.3497,"lon":-117.2242},{"id":"ASN00040382-2009-05-20-prcp_high-daily","station_id":"ASN00040382","station_name":"Crows 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15","country":"US","type":"prcp_high","timescale":"daily","date":"2025-05-20","value":75.7,"unit":"mm","previous_value":23.9,"previous_date":"1869-05-20","margin":51.8,"years_stood":155,"significance":78,"tie":false,"provisional":false,"lat":41.5181,"lon":-90.5647},{"id":"RSM00022520-2025-05-20-prcp_high-daily","station_id":"RSM00022520","station_name":"Kem-Port","country":"RU","type":"prcp_high","timescale":"daily","date":"2025-05-20","value":32.1,"unit":"mm","previous_value":11.7,"previous_date":"1931-05-20","margin":20.4,"years_stood":94,"significance":78,"tie":false,"provisional":false,"lat":64.9831,"lon":34.8164},{"id":"ASN00044004-1983-05-20-prcp_high-daily","station_id":"ASN00044004","station_name":"Beechal","country":"AU","type":"prcp_high","timescale":"daily","date":"1983-05-20","value":105.6,"unit":"mm","previous_value":37.6,"previous_date":"1889-05-20","margin":68,"years_stood":93,"significance":78,"tie":false,"provisional":false,"lat":-27.1383,"lon":144.7392},{"id":"ASN00003028-2013-05-20-prcp_high-monthly","station_id":"ASN00003028","station_name":"Anna 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