{"title":"Records on 1918-04-30","description":"Every record set or tied on 1918-04-30.","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/records/1918-04-30/","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":"GME00129502-1918-04-30-prcp_high-daily","station_id":"GME00129502","station_name":"Tuttlingen","country":"DE","type":"prcp_high","timescale":"daily","date":"1918-04-30","value":24.7,"unit":"mm","previous_value":13.4,"previous_date":"1907-04-30","margin":11.3,"years_stood":11,"significance":20,"tie":false,"provisional":false,"lat":48.0092,"lon":8.8189},{"id":"GME00124858-1918-04-30-prcp_high-daily","station_id":"GME00124858","station_name":"Kunzelsau","country":"DE","type":"prcp_high","timescale":"daily","date":"1918-04-30","value":17,"unit":"mm","previous_value":7.9,"previous_date":"1894-04-30","margin":9.1,"years_stood":23,"significance":20,"tie":false,"provisional":false,"lat":49.2806,"lon":9.6933},{"id":"DA000027080-1918-04-30-tmax_low-daily","station_id":"DA000027080","station_name":"Tranebjerg","country":"DK","type":"tmax_low","timescale":"daily","date":"1918-04-30","value":4.7,"unit":"c","previous_value":6.3,"previous_date":"1873-04-30","margin":1.6,"years_stood":44,"significance":21,"tie":false,"provisional":false,"lat":55.85,"lon":10.6},{"id":"CA007050200-1918-04-30-prcp_high-daily","station_id":"CA007050200","station_name":"Anticosti SW 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