{"title":"Records on 1909-05-07","description":"Every record set or tied on 1909-05-07.","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/1909-05-07/","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":"CE000434730-1909-05-07-tmax_low-daily","station_id":"CE000434730","station_name":"Nuwara Eliya","country":"LK","type":"tmax_low","timescale":"daily","date":"1909-05-07","value":15.4,"unit":"c","previous_value":17.8,"previous_date":"1874-05-07","margin":2.4,"years_stood":34,"significance":26,"tie":false,"provisional":false,"lat":6.967,"lon":80.767},{"id":"CA006139520-1909-05-07-prcp_high-daily","station_id":"CA006139520","station_name":"Windsor 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4 W","country":"US","type":"tmax_high","timescale":"daily","date":"1909-05-07","value":28.3,"unit":"c","previous_value":28.3,"previous_date":"1876-05-07","margin":0,"years_stood":32,"significance":3,"tie":true,"provisional":false,"lat":41.55,"lon":-72.7167},{"id":"AGE00135039-1909-05-07-tmin_low-daily","station_id":"AGE00135039","station_name":"Oran-Hopital Militaire","country":"DZ","type":"tmin_low","timescale":"daily","date":"1909-05-07","value":10,"unit":"c","previous_value":10,"previous_date":"1886-05-07","margin":0,"years_stood":22,"significance":2,"tie":true,"provisional":false,"lat":35.7297,"lon":0.65},{"id":"USC00456109-1909-05-07-tmin_low-daily","station_id":"USC00456109","station_name":"Olympia Priest Pt 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