{"title":"Records on 1909-04-15","description":"Every record set or tied on 1909-04-15.","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/1909-04-15/","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":"CA008101700-1909-04-15-prcp_high-daily","station_id":"CA008101700","station_name":"Fredericton Unb","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-04-15","value":45.7,"unit":"mm","previous_value":14,"previous_date":"1897-04-15","margin":31.7,"years_stood":11,"significance":43,"tie":false,"provisional":false,"lat":45.95,"lon":-66.6},{"id":"USC00064767-1909-04-15-prcp_high-daily","station_id":"USC00064767","station_name":"Middletown 4 W","country":"US","type":"prcp_high","timescale":"daily","date":"1909-04-15","value":79.8,"unit":"mm","previous_value":28.7,"previous_date":"1906-04-15","margin":51.1,"years_stood":3,"significance":42,"tie":false,"provisional":false,"lat":41.55,"lon":-72.7167},{"id":"CA008101170-1909-04-15-prcp_high-daily","station_id":"CA008101170","station_name":"Dalhousie","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-04-15","value":21.6,"unit":"mm","previous_value":6.9,"previous_date":"1876-04-15","margin":14.7,"years_stood":32,"significance":20,"tie":false,"provisional":false,"lat":48.0667,"lon":-66.3667},{"id":"CA008205698-1909-04-15-tmax_high-daily","station_id":"CA008205698","station_name":"Sydney","country":"CA","type":"tmax_high","timescale":"daily","date":"1909-04-15","value":19.4,"unit":"c","previous_value":12.2,"previous_date":"1897-04-15","margin":7.2,"years_stood":11,"significance":22,"tie":false,"provisional":false,"lat":46.15,"lon":-60.2},{"id":"AGE00135039-1909-04-15-tmin_low-daily","station_id":"AGE00135039","station_name":"Oran-Hopital Militaire","country":"DZ","type":"tmin_low","timescale":"daily","date":"1909-04-15","value":7,"unit":"c","previous_value":7.5,"previous_date":"1863-04-15","margin":0.5,"years_stood":45,"significance":20,"tie":false,"provisional":false,"lat":35.7297,"lon":0.65},{"id":"CA008202198-1909-04-15-tmin_high-daily","station_id":"CA008202198","station_name":"Halifax","country":"CA","type":"tmin_high","timescale":"daily","date":"1909-04-15","value":7.2,"unit":"c","previous_value":2.8,"previous_date":"1898-04-15","margin":4.4,"years_stood":10,"significance":20,"tie":false,"provisional":false,"lat":44.65,"lon":-63.6},{"id":"CA008205988-1909-04-15-tmin_high-daily","station_id":"CA008205988","station_name":"Truro","country":"CA","type":"tmin_high","timescale":"daily","date":"1909-04-15","value":10,"unit":"c","previous_value":3.9,"previous_date":"1897-04-15","margin":6.1,"years_stood":11,"significance":20,"tie":false,"provisional":false,"lat":45.35,"lon":-63.3},{"id":"CA008104800-1909-04-15-prcp_high-monthly","station_id":"CA008104800","station_name":"Saint John","country":"CA","type":"prcp_high","timescale":"monthly","date":"1909-04-15","value":51.6,"unit":"mm","previous_value":48.8,"previous_date":"1903-04-09","margin":2.8,"years_stood":6,"significance":17,"tie":false,"provisional":false,"lat":45.2833,"lon":-66.0833},{"id":"CA008100990-1909-04-15-prcp_high-daily","station_id":"CA008100990","station_name":"Chatham","country":"CA","type":"prcp_high","timescale":"daily","date":"1909-04-15","value":32,"unit":"mm","previous_value":25.4,"previous_date":"1895-04-15","margin":6.6,"years_stood":13,"significance":16,"tie":false,"provisional":false,"lat":47.05,"lon":-65.4833},{"id":"CA008101170-1909-04-15-snow_high-daily","station_id":"CA008101170","station_name":"Dalhousie","country":"CA","type":"snow_high","timescale":"daily","date":"1909-04-15","value":102,"unit":"mm","previous_value":51,"previous_date":"1886-04-15","margin":51,"years_stood":22,"significance":16,"tie":false,"provisional":false,"lat":48.0667,"lon":-66.3667},{"id":"ITE00100554-1909-04-15-tmax_high-daily","station_id":"ITE00100554","station_name":"Milan","country":"IT","type":"tmax_high","timescale":"daily","date":"1909-04-15","value":26.6,"unit":"c","previous_value":25,"previous_date":"1900-04-15","margin":1.6,"years_stood":8,"significance":16,"tie":false,"provisional":false,"lat":45.4717,"lon":9.1892},{"id":"DA000030380-1909-04-15-tmax_low-daily","station_id":"DA000030380","station_name":"Koebenhavn: Landbohojskolen-1","country":"DK","type":"tmax_low","timescale":"daily","date":"1909-04-15","value":4.9,"unit":"c","previous_value":5,"previous_date":"1887-04-15","margin":0.1,"years_stood":21,"significance":9,"tie":false,"provisional":false,"lat":55.6831,"lon":12.5331},{"id":"CA008403500-1909-04-15-tmax_high-daily","station_id":"CA008403500","station_name":"St John's","country":"CA","type":"tmax_high","timescale":"daily","date":"1909-04-15","value":12.2,"unit":"c","previous_value":10.6,"previous_date":"1900-04-15","margin":1.6,"years_stood":8,"significance":8,"tie":false,"provisional":false,"lat":47.5667,"lon":-52.7},{"id":"CA008205988-1909-04-15-tmax_high-daily","station_id":"CA008205988","station_name":"Truro","country":"CA","type":"tmax_high","timescale":"daily","date":"1909-04-15","value":17.8,"unit":"c","previous_value":16.7,"previous_date":"1901-04-15","margin":1.1,"years_stood":8,"significance":7,"tie":false,"provisional":false,"lat":45.35,"lon":-63.3},{"id":"DA000021100-1909-04-15-tmax_low-daily","station_id":"DA000021100","station_name":"Vestervig","country":"DK","type":"tmax_low","timescale":"daily","date":"1909-04-15","value":2.7,"unit":"c","previous_value":3.6,"previous_date":"1901-04-15","margin":0.9,"years_stood":8,"significance":7,"tie":false,"provisional":false,"lat":56.7667,"lon":8.3167},{"id":"GM000004063-1909-04-15-prcp_high-daily","station_id":"GM000004063","station_name":"Bamberg","country":"DE","type":"prcp_high","timescale":"daily","date":"1909-04-15","value":3.4,"unit":"mm","previous_value":3.3,"previous_date":"1897-04-15","margin":0.1,"years_stood":11,"significance":6,"tie":false,"provisional":false,"lat":49.8753,"lon":10.9217},{"id":"ASN00052026-1909-04-15-tmin_low-daily","station_id":"ASN00052026","station_name":"Walgett Council Depot","country":"AU","type":"tmin_low","timescale":"daily","date":"1909-04-15","value":8.3,"unit":"c","previous_value":8.3,"previous_date":"1896-04-15","margin":0,"years_stood":12,"significance":1,"tie":true,"provisional":false,"lat":-30.0236,"lon":148.1218},{"id":"CA008205698-1909-04-15-tmin_high-daily","station_id":"CA008205698","station_name":"Sydney","country":"CA","type":"tmin_high","timescale":"daily","date":"1909-04-15","value":3.3,"unit":"c","previous_value":3.3,"previous_date":"1897-04-15","margin":0,"years_stood":11,"significance":1,"tie":true,"provisional":false,"lat":46.15,"lon":-60.2}]}