{"title":"Records on 1910-05-21","description":"Every record set or tied on 1910-05-21.","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/1910-05-21/","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":"GME00123154-1910-05-21-tmin_high-daily","station_id":"GME00123154","station_name":"Arnsberg","country":"DE","type":"tmin_high","timescale":"daily","date":"1910-05-21","value":14.5,"unit":"c","previous_value":12.5,"previous_date":"1889-05-21","margin":2,"years_stood":20,"significance":14,"tie":false,"provisional":false,"lat":51.3783,"lon":8.0719},{"id":"GME00125806-1910-05-21-tmin_high-daily","station_id":"GME00125806","station_name":"Heinersreuth-Vollhof","country":"DE","type":"tmin_high","timescale":"daily","date":"1910-05-21","value":13.2,"unit":"c","previous_value":11.4,"previous_date":"1886-05-21","margin":1.8,"years_stood":23,"significance":14,"tie":false,"provisional":false,"lat":49.9678,"lon":11.5208},{"id":"GM000004063-1910-05-21-tmin_high-daily","station_id":"GM000004063","station_name":"Bamberg","country":"DE","type":"tmin_high","timescale":"daily","date":"1910-05-21","value":14.7,"unit":"c","previous_value":13.2,"previous_date":"1886-05-21","margin":1.5,"years_stood":23,"significance":13,"tie":false,"provisional":false,"lat":49.8753,"lon":10.9217},{"id":"GME00102380-1910-05-21-tmin_high-daily","station_id":"GME00102380","station_name":"Nurnberg","country":"DE","type":"tmin_high","timescale":"daily","date":"1910-05-21","value":15.9,"unit":"c","previous_value":14,"previous_date":"1890-05-21","margin":1.9,"years_stood":19,"significance":13,"tie":false,"provisional":false,"lat":49.5042,"lon":11.0567},{"id":"UK000003026-1910-05-21-tmin_high-daily","station_id":"UK000003026","station_name":"Stornoway Airport","country":"GB","type":"tmin_high","timescale":"daily","date":"1910-05-21","value":10.6,"unit":"c","previous_value":9.4,"previous_date":"1889-05-21","margin":1.2,"years_stood":20,"significance":13,"tie":false,"provisional":false,"lat":58.33,"lon":-6.32},{"id":"AGE00147705-1910-05-21-prcp_high-daily","station_id":"AGE00147705","station_name":"Algiers-Ville/Universite","country":"DZ","type":"prcp_high","timescale":"daily","date":"1910-05-21","value":10.6,"unit":"mm","previous_value":4.8,"previous_date":"1902-05-21","margin":5.8,"years_stood":8,"significance":12,"tie":false,"provisional":false,"lat":36.78,"lon":3.07},{"id":"USW00024274-1910-05-21-tmax_high-daily","station_id":"USW00024274","station_name":"Portland Rfc City","country":"US","type":"tmax_high","timescale":"daily","date":"1910-05-21","value":29.4,"unit":"c","previous_value":27.2,"previous_date":"1891-05-21","margin":2.2,"years_stood":18,"significance":12,"tie":false,"provisional":false,"lat":45.5333,"lon":-122.6667},{"id":"GM000002698-1910-05-21-tmin_high-daily","station_id":"GM000002698","station_name":"Karlsruhe","country":"DE","type":"tmin_high","timescale":"daily","date":"1910-05-21","value":16.1,"unit":"c","previous_value":15.5,"previous_date":"1886-05-21","margin":0.6,"years_stood":23,"significance":11,"tie":false,"provisional":false,"lat":49.0392,"lon":8.365},{"id":"GME00123154-1910-05-21-tmax_high-daily","station_id":"GME00123154","station_name":"Arnsberg","country":"DE","type":"tmax_high","timescale":"daily","date":"1910-05-21","value":27.7,"unit":"c","previous_value":27.4,"previous_date":"1886-05-21","margin":0.3,"years_stood":23,"significance":10,"tie":false,"provisional":false,"lat":51.3783,"lon":8.0719},{"id":"DA000021100-1910-05-21-tmax_high-daily","station_id":"DA000021100","station_name":"Vestervig","country":"DK","type":"tmax_high","timescale":"daily","date":"1910-05-21","value":23,"unit":"c","previous_value":22.8,"previous_date":"1889-05-21","margin":0.2,"years_stood":20,"significance":9,"tie":false,"provisional":false,"lat":56.7667,"lon":8.3167},{"id":"CE000434730-1910-05-21-tmax_high-daily","station_id":"CE000434730","station_name":"Nuwara Eliya","country":"LK","type":"tmax_high","timescale":"daily","date":"1910-05-21","value":23.9,"unit":"c","previous_value":23.7,"previous_date":"1894-05-21","margin":0.2,"years_stood":15,"significance":8,"tie":false,"provisional":false,"lat":6.967,"lon":80.767},{"id":"USC00456109-1910-05-21-tmax_high-daily","station_id":"USC00456109","station_name":"Olympia Priest Pt Park","country":"US","type":"tmax_high","timescale":"daily","date":"1910-05-21","value":27.8,"unit":"c","previous_value":26.7,"previous_date":"1904-05-21","margin":1.1,"years_stood":5,"significance":6,"tie":false,"provisional":false,"lat":47.0667,"lon":-122.8833},{"id":"USW00014934-1910-05-21-prcp_high-daily","station_id":"USW00014934","station_name":"Dubuque River","country":"US","type":"prcp_high","timescale":"daily","date":"1910-05-21","value":23.4,"unit":"mm","previous_value":22.1,"previous_date":"1902-05-21","margin":1.3,"years_stood":8,"significance":6,"tie":false,"provisional":false,"lat":42.4,"lon":-90.7},{"id":"AGE00135039-1910-05-21-tmax_low-monthly","station_id":"AGE00135039","station_name":"Oran-Hopital Militaire","country":"DZ","type":"tmax_low","timescale":"monthly","date":"1910-05-21","value":16,"unit":"c","previous_value":16,"previous_date":"1884-05-20","margin":0,"years_stood":25,"significance":5,"tie":true,"provisional":false,"lat":35.7297,"lon":0.65}]}