{"title":"Records on 09-30 in past years","description":"Record events on 09-30 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/09-30/","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":"USC00352800-2013-09-30-prcp_high-monthly","station_id":"USC00352800","station_name":"Falls City 2 SSW","country":"US","type":"prcp_high","timescale":"monthly","date":"2013-09-30","value":122.9,"unit":"mm","previous_value":82.8,"previous_date":"1901-09-21","margin":40.1,"years_stood":112,"significance":90,"tie":false,"provisional":false,"lat":44.8358,"lon":-123.4525},{"id":"ASN00014825-1979-09-30-prcp_high-monthly","station_id":"ASN00014825","station_name":"Victoria River Downs","country":"AU","type":"prcp_high","timescale":"monthly","date":"1979-09-30","value":64.2,"unit":"mm","previous_value":25.9,"previous_date":"1888-09-24","margin":38.3,"years_stood":91,"significance":86,"tie":false,"provisional":false,"lat":-16.403,"lon":131.0145},{"id":"USC00253015-2014-09-30-prcp_high-all-time","station_id":"USC00253015","station_name":"Ft 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Office","country":"AU","type":"prcp_high","timescale":"daily","date":"2021-09-30","value":47.8,"unit":"mm","previous_value":10.2,"previous_date":"1921-09-30","margin":37.6,"years_stood":100,"significance":79,"tie":false,"provisional":false,"lat":-31.346,"lon":149.8285},{"id":"ASN00041051-1996-09-30-prcp_high-daily","station_id":"ASN00041051","station_name":"Jimbour State School","country":"AU","type":"prcp_high","timescale":"daily","date":"1996-09-30","value":56.2,"unit":"mm","previous_value":13.2,"previous_date":"1898-09-30","margin":43,"years_stood":97,"significance":79,"tie":false,"provisional":false,"lat":-26.9583,"lon":151.2125},{"id":"USC00253365-2021-09-30-prcp_high-daily","station_id":"USC00253365","station_name":"Gothenburg","country":"US","type":"prcp_high","timescale":"daily","date":"2021-09-30","value":61,"unit":"mm","previous_value":22.9,"previous_date":"1904-09-30","margin":38.1,"years_stood":116,"significance":78,"tie":false,"provisional":false,"lat":40.9394,"lon":-100.1514},{"id":"USC00394007-2014-09-30-prcp_high-daily","station_id":"USC00394007","station_name":"Hot 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S","country":"US","type":"prcp_high","timescale":"daily","date":"1998-09-30","value":101.6,"unit":"mm","previous_value":27.9,"previous_date":"1905-09-30","margin":73.7,"years_stood":92,"significance":77,"tie":false,"provisional":false,"lat":32.0142,"lon":-85.7464}]}