{"title":"Records on 1909-06-20","description":"Every record set or tied on 1909-06-20.","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/1909-06-20/","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":"USC00015555-1909-06-20-prcp_high-daily","station_id":"USC00015555","station_name":"Montgomery Wb City","country":"US","type":"prcp_high","timescale":"daily","date":"1909-06-20","value":33.8,"unit":"mm","previous_value":5.6,"previous_date":"1882-06-20","margin":28.2,"years_stood":26,"significance":31,"tie":false,"provisional":false,"lat":32.3833,"lon":-86.3},{"id":"CA006046588-1909-06-20-tmin_high-daily","station_id":"CA006046588","station_name":"Port Arthur","country":"CA","type":"tmin_high","timescale":"daily","date":"1909-06-20","value":16.1,"unit":"c","previous_value":13.3,"previous_date":"1880-06-20","margin":2.8,"years_stood":28,"significance":19,"tie":false,"provisional":false,"lat":48.4333,"lon":-89.2167},{"id":"ASN00086085-1909-06-20-prcp_high-daily","station_id":"ASN00086085","station_name":"Narre Warren North (Narre Warr","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-06-20","value":30,"unit":"mm","previous_value":23.9,"previous_date":"1888-06-20","margin":6.1,"years_stood":20,"significance":18,"tie":false,"provisional":false,"lat":-37.9897,"lon":145.3356},{"id":"USC00015555-1909-06-20-tmax_low-daily","station_id":"USC00015555","station_name":"Montgomery Wb City","country":"US","type":"tmax_low","timescale":"daily","date":"1909-06-20","value":24.4,"unit":"c","previous_value":26.1,"previous_date":"1900-06-20","margin":1.7,"years_stood":8,"significance":10,"tie":false,"provisional":false,"lat":32.3833,"lon":-86.3},{"id":"ASN00073055-1909-06-20-prcp_high-daily","station_id":"ASN00073055","station_name":"Mundarlo (Yabtree)","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-06-20","value":17.3,"unit":"mm","previous_value":13.2,"previous_date":"1908-06-20","margin":4.1,"years_stood":0,"significance":9,"tie":false,"provisional":false,"lat":-35.0996,"lon":147.7767},{"id":"ASN00090044-1909-06-20-prcp_high-daily","station_id":"ASN00090044","station_name":"Hamilton","country":"AU","type":"prcp_high","timescale":"daily","date":"1909-06-20","value":13.7,"unit":"mm","previous_value":12.7,"previous_date":"1895-06-20","margin":1,"years_stood":13,"significance":8,"tie":false,"provisional":false,"lat":-37.7333,"lon":142.0167},{"id":"ASN00090015-1909-06-20-tmin_high-daily","station_id":"ASN00090015","station_name":"Cape Otway Lighthouse","country":"AU","type":"tmin_high","timescale":"daily","date":"1909-06-20","value":10,"unit":"c","previous_value":10,"previous_date":"1868-06-20","margin":0,"years_stood":40,"significance":4,"tie":true,"provisional":false,"lat":-38.8556,"lon":143.5128},{"id":"USC00047738-1909-06-20-tmin_low-daily","station_id":"USC00047738","station_name":"San Diego Wbo","country":"US","type":"tmin_low","timescale":"daily","date":"1909-06-20","value":11.7,"unit":"c","previous_value":11.7,"previous_date":"1881-06-20","margin":0,"years_stood":27,"significance":2,"tie":true,"provisional":false,"lat":32.7167,"lon":-117.1667},{"id":"USC00456109-1909-06-20-tmin_low-daily","station_id":"USC00456109","station_name":"Olympia Priest Pt Park","country":"US","type":"tmin_low","timescale":"daily","date":"1909-06-20","value":3.3,"unit":"c","previous_value":3.3,"previous_date":"1893-06-20","margin":0,"years_stood":15,"significance":1,"tie":true,"provisional":false,"lat":47.0667,"lon":-122.8833}]}