{"title":"Records on 1909-09-30","description":"Every record set or tied on 1909-09-30.","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/1909-09-30/","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":"AGE00135039-1909-09-30-tmin_high-daily","station_id":"AGE00135039","station_name":"Oran-Hopital Militaire","country":"DZ","type":"tmin_high","timescale":"daily","date":"1909-09-30","value":22,"unit":"c","previous_value":20.5,"previous_date":"1884-09-30","margin":1.5,"years_stood":24,"significance":18,"tie":false,"provisional":false,"lat":35.7297,"lon":0.65},{"id":"SF000283350-1909-09-30-prcp_high-daily","station_id":"SF000283350","station_name":"Oudtshoorn","country":"ZA","type":"prcp_high","timescale":"daily","date":"1909-09-30","value":6.9,"unit":"mm","previous_value":0,"previous_date":"1878-09-30","margin":6.9,"years_stood":30,"significance":18,"tie":false,"provisional":false,"lat":-33.617,"lon":22.2},{"id":"CA008100990-1909-09-30-tmin_high-daily","station_id":"CA008100990","station_name":"Chatham","country":"CA","type":"tmin_high","timescale":"daily","date":"1909-09-30","value":13.9,"unit":"c","previous_value":12.8,"previous_date":"1874-09-30","margin":1.1,"years_stood":34,"significance":15,"tie":false,"provisional":false,"lat":47.05,"lon":-65.4833},{"id":"CA008205988-1909-09-30-tmax_high-daily","station_id":"CA008205988","station_name":"Truro","country":"CA","type":"tmax_high","timescale":"daily","date":"1909-09-30","value":22.8,"unit":"c","previous_value":21.7,"previous_date":"1874-09-30","margin":1.1,"years_stood":34,"significance":15,"tie":false,"provisional":false,"lat":45.35,"lon":-63.3},{"id":"CA001125585-1909-09-30-prcp_high-daily","station_id":"CA001125585","station_name":"Nicola Lake","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-09-30","value":6.4,"unit":"mm","previous_value":2.8,"previous_date":"1897-09-30","margin":3.6,"years_stood":11,"significance":14,"tie":false,"provisional":false,"lat":50.15,"lon":-120.65},{"id":"AGE00135039-1909-09-30-tmax_high-daily","station_id":"AGE00135039","station_name":"Oran-Hopital Militaire","country":"DZ","type":"tmax_high","timescale":"daily","date":"1909-09-30","value":30,"unit":"c","previous_value":29,"previous_date":"1893-09-30","margin":1,"years_stood":15,"significance":13,"tie":false,"provisional":false,"lat":35.7297,"lon":0.65},{"id":"CA008202198-1909-09-30-tmin_high-daily","station_id":"CA008202198","station_name":"Halifax","country":"CA","type":"tmin_high","timescale":"daily","date":"1909-09-30","value":15.6,"unit":"c","previous_value":14.4,"previous_date":"1902-09-30","margin":1.2,"years_stood":7,"significance":8,"tie":false,"provisional":false,"lat":44.65,"lon":-63.6},{"id":"SF000236780-1909-09-30-prcp_high-daily","station_id":"SF000236780","station_name":"Robertson","country":"ZA","type":"prcp_high","timescale":"daily","date":"1909-09-30","value":3.6,"unit":"mm","previous_value":3,"previous_date":"1894-09-30","margin":0.6,"years_stood":14,"significance":7,"tie":false,"provisional":false,"lat":-33.8,"lon":19.9},{"id":"CA006110605-1909-09-30-prcp_high-daily","station_id":"CA006110605","station_name":"Beatrice","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-09-30","value":20.6,"unit":"mm","previous_value":17,"previous_date":"1908-09-30","margin":3.6,"years_stood":0,"significance":6,"tie":false,"provisional":false,"lat":45.1333,"lon":-79.3833},{"id":"CA006122848-1909-09-30-prcp_high-daily","station_id":"CA006122848","station_name":"Goderich Lighthouse","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-09-30","value":12.7,"unit":"mm","previous_value":12.7,"previous_date":"1902-09-30","margin":0,"years_stood":7,"significance":1,"tie":true,"provisional":false,"lat":43.75,"lon":-81.7167}]}