{"title":"Records on 1906-04-30","description":"Every record set or tied on 1906-04-30.","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/1906-04-30/","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":"SWE00137686-1906-04-30-prcp_high-daily","station_id":"SWE00137686","station_name":"Karlshamn","country":"SE","type":"prcp_high","timescale":"daily","date":"1906-04-30","value":17.3,"unit":"mm","previous_value":8.8,"previous_date":"1897-04-30","margin":8.5,"years_stood":8,"significance":20,"tie":false,"provisional":false,"lat":56.18,"lon":14.85},{"id":"SWE00137832-1906-04-30-prcp_high-daily","station_id":"SWE00137832","station_name":"Kalmar_D","country":"SE","type":"prcp_high","timescale":"daily","date":"1906-04-30","value":9,"unit":"mm","previous_value":5.5,"previous_date":"1881-04-30","margin":3.5,"years_stood":24,"significance":20,"tie":false,"provisional":false,"lat":56.69,"lon":16.35},{"id":"SWE00137836-1906-04-30-prcp_high-daily","station_id":"SWE00137836","station_name":"Halmstad","country":"SE","type":"prcp_high","timescale":"daily","date":"1906-04-30","value":6.7,"unit":"mm","previous_value":6.6,"previous_date":"1868-04-30","margin":0.1,"years_stood":37,"significance":15,"tie":false,"provisional":false,"lat":56.67,"lon":12.92},{"id":"SW000002361-1906-04-30-prcp_high-daily","station_id":"SW000002361","station_name":"Harnosand","country":"SE","type":"prcp_high","timescale":"daily","date":"1906-04-30","value":14.5,"unit":"mm","previous_value":14,"previous_date":"1874-04-30","margin":0.5,"years_stood":31,"significance":14,"tie":false,"provisional":false,"lat":62.6331,"lon":17.9331},{"id":"USW00024274-1906-04-30-tmax_high-daily","station_id":"USW00024274","station_name":"Portland Rfc 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