{"title":"Records on 1911-04-21","description":"Every record set or tied on 1911-04-21.","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/1911-04-21/","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":"RSM00029430-1911-04-21-prcp_high-daily","station_id":"RSM00029430","station_name":"Tomsk","country":"RU","type":"prcp_high","timescale":"daily","date":"1911-04-21","value":11.2,"unit":"mm","previous_value":6.5,"previous_date":"1903-04-21","margin":4.7,"years_stood":8,"significance":20,"tie":false,"provisional":false,"lat":56.5,"lon":84.9167},{"id":"AU000005010-1911-04-21-tmin_high-daily","station_id":"AU000005010","station_name":"Kremsmuenster","country":"AT","type":"tmin_high","timescale":"daily","date":"1911-04-21","value":10.7,"unit":"c","previous_value":10.2,"previous_date":"1880-04-21","margin":0.5,"years_stood":30,"significance":13,"tie":false,"provisional":false,"lat":48.05,"lon":14.1331},{"id":"ITE00100554-1911-04-21-tmax_high-daily","station_id":"ITE00100554","station_name":"Milan","country":"IT","type":"tmax_high","timescale":"daily","date":"1911-04-21","value":27.4,"unit":"c","previous_value":27.3,"previous_date":"1910-04-21","margin":0.1,"years_stood":0,"significance":10,"tie":false,"provisional":false,"lat":45.4717,"lon":9.1892},{"id":"CA003012195-1911-04-21-tmin_high-daily","station_id":"CA003012195","station_name":"Edmonton","country":"CA","type":"tmin_high","timescale":"daily","date":"1911-04-21","value":6.7,"unit":"c","previous_value":6.1,"previous_date":"1897-04-21","margin":0.6,"years_stood":13,"significance":8,"tie":false,"provisional":false,"lat":53.55,"lon":-113.5},{"id":"CA008202198-1911-04-21-tmax_low-daily","station_id":"CA008202198","station_name":"Halifax","country":"CA","type":"tmax_low","timescale":"daily","date":"1911-04-21","value":1.7,"unit":"c","previous_value":2.2,"previous_date":"1904-04-21","margin":0.5,"years_stood":6,"significance":7,"tie":false,"provisional":false,"lat":44.65,"lon":-63.6},{"id":"CA003012195-1911-04-21-tmax_high-daily","station_id":"CA003012195","station_name":"Edmonton","country":"CA","type":"tmax_high","timescale":"daily","date":"1911-04-21","value":25,"unit":"c","previous_value":23.3,"previous_date":"1906-04-21","margin":1.7,"years_stood":4,"significance":6,"tie":false,"provisional":false,"lat":53.55,"lon":-113.5},{"id":"CA006116128-1911-04-21-tmax_low-daily","station_id":"CA006116128","station_name":"Owen Sound","country":"CA","type":"tmax_low","timescale":"daily","date":"1911-04-21","value":1.7,"unit":"c","previous_value":2.8,"previous_date":"1901-04-21","margin":1.1,"years_stood":9,"significance":6,"tie":false,"provisional":false,"lat":44.5667,"lon":-80.9167},{"id":"CA008206490-1911-04-21-tmax_low-daily","station_id":"CA008206490","station_name":"Yarmouth","country":"CA","type":"tmax_low","timescale":"daily","date":"1911-04-21","value":2.2,"unit":"c","previous_value":2.8,"previous_date":"1907-04-21","margin":0.6,"years_stood":4,"significance":6,"tie":false,"provisional":false,"lat":43.8333,"lon":-66.0333},{"id":"HR000142360-1911-04-21-tmax_high-daily","station_id":"HR000142360","station_name":"Zagreb-Gric","country":"HR","type":"tmax_high","timescale":"daily","date":"1911-04-21","value":23.5,"unit":"c","previous_value":23.1,"previous_date":"1902-04-21","margin":0.4,"years_stood":8,"significance":5,"tie":false,"provisional":false,"lat":45.8167,"lon":15.9781}]}