{"title":"Records on 1909-05-04","description":"Every record set or tied on 1909-05-04.","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/1909-05-04/","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":"ITE00100554-1909-05-04-tmin_low-daily","station_id":"ITE00100554","station_name":"Milan","country":"IT","type":"tmin_low","timescale":"daily","date":"1909-05-04","value":5.2,"unit":"c","previous_value":5.9,"previous_date":"1861-05-04","margin":0.7,"years_stood":47,"significance":26,"tie":false,"provisional":false,"lat":45.4717,"lon":9.1892},{"id":"ASN00090015-1909-05-04-tmin_low-daily","station_id":"ASN00090015","station_name":"Cape Otway Lighthouse","country":"AU","type":"tmin_low","timescale":"daily","date":"1909-05-04","value":5,"unit":"c","previous_value":6.7,"previous_date":"1867-05-04","margin":1.7,"years_stood":41,"significance":23,"tie":false,"provisional":false,"lat":-38.8556,"lon":143.5128},{"id":"ASN00074128-1909-05-04-tmax_low-daily","station_id":"ASN00074128","station_name":"Deniliquin (Wilkinson 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Council Depot","country":"AU","type":"tmin_low","timescale":"daily","date":"1909-05-04","value":1.7,"unit":"c","previous_value":3.9,"previous_date":"1897-05-04","margin":2.2,"years_stood":11,"significance":11,"tie":false,"provisional":false,"lat":-30.0236,"lon":148.1218},{"id":"ASN00066062-1909-05-04-tmax_low-daily","station_id":"ASN00066062","station_name":"Sydney (Observatory Hill)","country":"AU","type":"tmax_low","timescale":"daily","date":"1909-05-04","value":16.8,"unit":"c","previous_value":17.1,"previous_date":"1892-05-04","margin":0.3,"years_stood":16,"significance":11,"tie":false,"provisional":false,"lat":-33.8607,"lon":151.205},{"id":"AU000005010-1909-05-04-tmax_low-daily","station_id":"AU000005010","station_name":"Kremsmuenster","country":"AT","type":"tmax_low","timescale":"daily","date":"1909-05-04","value":4.5,"unit":"c","previous_value":4.8,"previous_date":"1879-05-04","margin":0.3,"years_stood":29,"significance":11,"tie":false,"provisional":false,"lat":48.05,"lon":14.1331},{"id":"CA006164297-1909-05-04-snow_high-daily","station_id":"CA006164297","station_name":"Lakefield","country":"CA","type":"snow_high","timescale":"daily","date":"1909-05-04","value":43,"unit":"mm","previous_value":38,"previous_date":"1885-05-04","margin":5,"years_stood":23,"significance":11,"tie":false,"provisional":false,"lat":44.4667,"lon":-78.2333},{"id":"AGE00135039-1909-05-04-tmin_low-daily","station_id":"AGE00135039","station_name":"Oran-Hopital 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