{"title":"Records on 07-30 in past years","description":"Record events on 07-30 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/07-30/","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":"USC00399070-2010-07-30-prcp_high-all-time","station_id":"USC00399070","station_name":"Wessington Springs","country":"US","type":"prcp_high","timescale":"all-time","date":"2010-07-30","value":186.9,"unit":"mm","previous_value":136.4,"previous_date":"1896-06-06","margin":50.5,"years_stood":114,"significance":100,"tie":false,"provisional":false,"lat":44.0756,"lon":-98.5706},{"id":"USC00437054-2024-07-30-prcp_high-all-time","station_id":"USC00437054","station_name":"Saint Johnsbury","country":"US","type":"prcp_high","timescale":"all-time","date":"2024-07-30","value":205.2,"unit":"mm","previous_value":126.7,"previous_date":"1913-07-28","margin":78.5,"years_stood":111,"significance":100,"tie":false,"provisional":false,"lat":44.42,"lon":-72.0194},{"id":"ASN00009030-2001-07-30-prcp_high-all-time","station_id":"ASN00009030","station_name":"Mundaring","country":"AU","type":"prcp_high","timescale":"all-time","date":"2001-07-30","value":155.8,"unit":"mm","previous_value":106.7,"previous_date":"1920-06-10","margin":49.1,"years_stood":81,"significance":91,"tie":false,"provisional":false,"lat":-31.8972,"lon":116.1575},{"id":"ASN00086219-1996-07-30-prcp_high-monthly","station_id":"ASN00086219","station_name":"Coranderrk Badger Weir","country":"AU","type":"prcp_high","timescale":"monthly","date":"1996-07-30","value":95.8,"unit":"mm","previous_value":59.7,"previous_date":"1891-07-12","margin":36.1,"years_stood":105,"significance":90,"tie":false,"provisional":false,"lat":-37.6886,"lon":145.5644},{"id":"ASN00009163-2001-07-30-prcp_high-all-time","station_id":"ASN00009163","station_name":"West Swan","country":"AU","type":"prcp_high","timescale":"all-time","date":"2001-07-30","value":133,"unit":"mm","previous_value":90.2,"previous_date":"1926-04-16","margin":42.8,"years_stood":75,"significance":90,"tie":false,"provisional":false,"lat":-31.8511,"lon":115.9942},{"id":"RSM00022438-2022-07-30-prcp_high-all-time","station_id":"RSM00022438","station_name":"Zhizhgin Mayak","country":"RU","type":"prcp_high","timescale":"all-time","date":"2022-07-30","value":81,"unit":"mm","previous_value":55,"previous_date":"1953-08-01","margin":26,"years_stood":68,"significance":88,"tie":false,"provisional":false,"lat":65.2,"lon":36.82},{"id":"RSM00031088-1996-07-30-prcp_high-all-time","station_id":"RSM00031088","station_name":"Ohotsk","country":"RU","type":"prcp_high","timescale":"all-time","date":"1996-07-30","value":156.9,"unit":"mm","previous_value":80.4,"previous_date":"1936-09-06","margin":76.5,"years_stood":59,"significance":87,"tie":false,"provisional":false,"lat":59.3667,"lon":143.2164},{"id":"SF001230630-1980-07-30-prcp_high-monthly","station_id":"SF001230630","station_name":"Sterkstroom (Pol)","country":"ZA","type":"prcp_high","timescale":"monthly","date":"1980-07-30","value":93,"unit":"mm","previous_value":35.1,"previous_date":"1887-07-03","margin":57.9,"years_stood":93,"significance":86,"tie":false,"provisional":false,"lat":-31.55,"lon":26.55},{"id":"USC00413981-1997-07-30-prcp_high-all-time","station_id":"USC00413981","station_name":"Hartley 4 ESE","country":"US","type":"prcp_high","timescale":"all-time","date":"1997-07-30","value":145,"unit":"mm","previous_value":78.2,"previous_date":"1946-10-05","margin":66.8,"years_stood":50,"significance":85,"tie":false,"provisional":false,"lat":35.8656,"lon":-102.3319},{"id":"USC00512679-1997-07-30-prcp_high-monthly","station_id":"USC00512679","station_name":"Kailua 446","country":"US","type":"prcp_high","timescale":"monthly","date":"1997-07-30","value":208.3,"unit":"mm","previous_value":158.2,"previous_date":"1918-07-10","margin":50.1,"years_stood":79,"significance":82,"tie":false,"provisional":false,"lat":20.8906,"lon":-156.2128},{"id":"GM000010962-1924-07-30-prcp_high-daily","station_id":"GM000010962","station_name":"Hohenpeissenberg","country":"DE","type":"prcp_high","timescale":"daily","date":"1924-07-30","value":89.3,"unit":"mm","previous_value":36.8,"previous_date":"1786-07-30","margin":52.5,"years_stood":137,"significance":80,"tie":false,"provisional":false,"lat":47.8017,"lon":11.0117},{"id":"USC00232511-2007-07-30-prcp_high-daily","station_id":"USC00232511","station_name":"Eldorado Springs","country":"US","type":"prcp_high","timescale":"daily","date":"2007-07-30","value":95.5,"unit":"mm","previous_value":29.2,"previous_date":"1905-07-30","margin":66.3,"years_stood":101,"significance":80,"tie":false,"provisional":false,"lat":37.8642,"lon":-94.0156},{"id":"USC00190190-2026-07-30-prcp_high-monthly","station_id":"USC00190190","station_name":"Ashburnham","country":"US","type":"prcp_high","timescale":"monthly","date":"2026-07-30","value":121.9,"unit":"mm","previous_value":75.7,"previous_date":"1951-07-28","margin":46.2,"years_stood":75,"significance":80,"tie":false,"provisional":false,"lat":42.6178,"lon":-71.9158},{"id":"USC00336118-2000-07-30-prcp_high-daily","station_id":"USC00336118","station_name":"Norwalk 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