{"title":"Records on 1891-05-12","description":"Every record set or tied on 1891-05-12.","dataAsOf":"2026-10-18T00:00:00Z","lastRevised":"2026-10-19","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/1891-05-12/","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":"UK000047811-1891-05-12-tmax_high-daily","station_id":"UK000047811","station_name":"Armagh","country":"GB","type":"tmax_high","timescale":"daily","date":"1891-05-12","value":23.9,"unit":"c","previous_value":23.2,"previous_date":"1848-05-12","margin":0.7,"years_stood":42,"significance":18,"tie":false,"provisional":false,"lat":54.35,"lon":-6.65},{"id":"UK000056225-1891-05-12-tmax_high-daily","station_id":"UK000056225","station_name":"Oxford","country":"GB","type":"tmax_high","timescale":"daily","date":"1891-05-12","value":24.6,"unit":"c","previous_value":24.6,"previous_date":"1848-05-12","margin":0,"years_stood":42,"significance":4,"tie":true,"provisional":false,"lat":51.7667,"lon":-1.2667},{"id":"USP00381549-1891-05-12-tmax_high-daily","station_id":"USP00381549","station_name":"Charleston","country":"US","type":"tmax_high","timescale":"daily","date":"1891-05-12","value":33.3,"unit":"c","previous_value":33.3,"previous_date":"1861-05-12","margin":0,"years_stood":29,"significance":3,"tie":true,"provisional":false,"lat":32.7792,"lon":-79.9347},{"id":"ASN00086071-1891-05-12-tmin_low-daily","station_id":"ASN00086071","station_name":"Melbourne Regional Office","country":"AU","type":"tmin_low","timescale":"daily","date":"1891-05-12","value":4.3,"unit":"c","previous_value":4.3,"previous_date":"1879-05-12","margin":0,"years_stood":12,"significance":1,"tie":true,"provisional":false,"lat":-37.8075,"lon":144.97}]}