{"title":"Records on 1909-07-24","description":"Every record set or tied on 1909-07-24.","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/1909-07-24/","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":"CA006115810-1909-07-24-prcp_high-daily","station_id":"CA006115810","station_name":"Orillia","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-07-24","value":37.3,"unit":"mm","previous_value":16.8,"previous_date":"1890-07-24","margin":20.5,"years_stood":18,"significance":29,"tie":false,"provisional":false,"lat":44.6167,"lon":-79.4},{"id":"CA006113000-1909-07-24-tmax_low-daily","station_id":"CA006113000","station_name":"Gravenhurst","country":"CA","type":"tmax_low","timescale":"daily","date":"1909-07-24","value":14.4,"unit":"c","previous_value":20,"previous_date":"1876-07-24","margin":5.6,"years_stood":32,"significance":27,"tie":false,"provisional":false,"lat":44.9167,"lon":-79.3667},{"id":"CA006108060-1909-07-24-prcp_high-daily","station_id":"CA006108060","station_name":"Stonecliffe","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-07-24","value":34.3,"unit":"mm","previous_value":21.6,"previous_date":"1892-07-24","margin":12.7,"years_stood":16,"significance":22,"tie":false,"provisional":false,"lat":46.15,"lon":-78.1},{"id":"CA006108060-1909-07-24-tmax_low-daily","station_id":"CA006108060","station_name":"Stonecliffe","country":"CA","type":"tmax_low","timescale":"daily","date":"1909-07-24","value":15.6,"unit":"c","previous_value":20.6,"previous_date":"1889-07-24","margin":5,"years_stood":19,"significance":20,"tie":false,"provisional":false,"lat":46.15,"lon":-78.1},{"id":"ASN00026020-1909-07-24-prcp_high-daily","station_id":"ASN00026020","station_name":"Mount 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