{"title":"Records on 1904-06-21","description":"Every record set or tied on 1904-06-21.","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/1904-06-21/","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":"ASN00066062-1904-06-21-tmax_high-daily","station_id":"ASN00066062","station_name":"Sydney (Observatory Hill)","country":"AU","type":"tmax_high","timescale":"daily","date":"1904-06-21","value":20.9,"unit":"c","previous_value":20.3,"previous_date":"1872-06-21","margin":0.6,"years_stood":31,"significance":16,"tie":false,"provisional":false,"lat":-33.8607,"lon":151.205},{"id":"CA008202198-1904-06-21-tmax_high-daily","station_id":"CA008202198","station_name":"Halifax","country":"CA","type":"tmax_high","timescale":"daily","date":"1904-06-21","value":28.9,"unit":"c","previous_value":27.2,"previous_date":"1878-06-21","margin":1.7,"years_stood":25,"significance":13,"tie":false,"provisional":false,"lat":44.65,"lon":-63.6},{"id":"CA008205698-1904-06-21-tmax_high-daily","station_id":"CA008205698","station_name":"Sydney","country":"CA","type":"tmax_high","timescale":"daily","date":"1904-06-21","value":30,"unit":"c","previous_value":26.7,"previous_date":"1891-06-21","margin":3.3,"years_stood":12,"significance":12,"tie":false,"provisional":false,"lat":46.15,"lon":-60.2},{"id":"ASN00070072-1904-06-21-prcp_high-daily","station_id":"ASN00070072","station_name":"Queanbeyan Bowling Club","country":"AU","type":"prcp_high","timescale":"daily","date":"1904-06-21","value":10.4,"unit":"mm","previous_value":7.1,"previous_date":"1888-06-21","margin":3.3,"years_stood":15,"significance":10,"tie":false,"provisional":false,"lat":-35.3552,"lon":149.2292},{"id":"CE000434730-1904-06-21-tmax_low-daily","station_id":"CE000434730","station_name":"Nuwara Eliya","country":"LK","type":"tmax_low","timescale":"daily","date":"1904-06-21","value":14.7,"unit":"c","previous_value":15.6,"previous_date":"1896-06-21","margin":0.9,"years_stood":7,"significance":9,"tie":false,"provisional":false,"lat":6.967,"lon":80.767},{"id":"ASN00072151-1904-06-21-tmax_high-daily","station_id":"ASN00072151","station_name":"Wagga Wagga (Kooringal)","country":"AU","type":"tmax_high","timescale":"daily","date":"1904-06-21","value":18.9,"unit":"c","previous_value":18.3,"previous_date":"1894-06-21","margin":0.6,"years_stood":9,"significance":7,"tie":false,"provisional":false,"lat":-35.1333,"lon":147.3667},{"id":"ASN00071010-1904-06-21-prcp_high-daily","station_id":"ASN00071010","station_name":"Kiandra Chalet","country":"AU","type":"prcp_high","timescale":"daily","date":"1904-06-21","value":83.1,"unit":"mm","previous_value":82.3,"previous_date":"1902-06-21","margin":0.8,"years_stood":2,"significance":3,"tie":false,"provisional":false,"lat":-35.8833,"lon":148.5}]}