{"title":"Records on 1921-09-01","description":"Every record set or tied on 1921-09-01.","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/1921-09-01/","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":"CA005023243-1921-09-01-tmin_high-monthly","station_id":"CA005023243","station_name":"Winnipeg St Johns Coll","country":"CA","type":"tmin_high","timescale":"monthly","date":"1921-09-01","value":21.7,"unit":"c","previous_value":21.1,"previous_date":"1872-09-01","margin":0.6,"years_stood":48,"significance":30,"tie":false,"provisional":false,"lat":49.8833,"lon":-97.1167},{"id":"USC00200146-1921-09-01-tmin_high-monthly","station_id":"USC00200146","station_name":"Alma","country":"US","type":"tmin_high","timescale":"monthly","date":"1921-09-01","value":24.4,"unit":"c","previous_value":21.1,"previous_date":"1895-09-22","margin":3.3,"years_stood":25,"significance":26,"tie":false,"provisional":false,"lat":43.3869,"lon":-84.6481},{"id":"USC00211891-1921-09-01-tmin_high-monthly","station_id":"USC00211891","station_name":"Crookston NW Exp STN","country":"US","type":"tmin_high","timescale":"monthly","date":"1921-09-01","value":23.3,"unit":"c","previous_value":21.1,"previous_date":"1897-09-04","margin":2.2,"years_stood":23,"significance":24,"tie":false,"provisional":false,"lat":47.8186,"lon":-96.6139},{"id":"USC00319191-1921-09-01-tmax_high-monthly","station_id":"USC00319191","station_name":"Weldon","country":"US","type":"tmax_high","timescale":"monthly","date":"1921-09-01","value":38.9,"unit":"c","previous_value":37.2,"previous_date":"1895-09-23","margin":1.7,"years_stood":25,"significance":24,"tie":false,"provisional":false,"lat":36.4333,"lon":-77.6},{"id":"SWE00138488-1921-09-01-tmin_low-daily","station_id":"SWE00138488","station_name":"Skara 1","country":"SE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":0,"unit":"c","previous_value":2,"previous_date":"1888-09-01","margin":2,"years_stood":32,"significance":18,"tie":false,"provisional":false,"lat":58.4,"lon":13.45},{"id":"RSM00026063-1921-09-01-prcp_high-daily","station_id":"RSM00026063","station_name":"St. Petersburg","country":"RU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":18.4,"unit":"mm","previous_value":12.8,"previous_date":"1912-09-01","margin":5.6,"years_stood":8,"significance":17,"tie":false,"provisional":false,"lat":59.9667,"lon":30.3},{"id":"SWE00138464-1921-09-01-tmin_low-daily","station_id":"SWE00138464","station_name":"Vanersborg","country":"SE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":4,"unit":"c","previous_value":4.8,"previous_date":"1882-09-01","margin":0.8,"years_stood":38,"significance":17,"tie":false,"provisional":false,"lat":58.36,"lon":12.36},{"id":"ASN00033046-1921-09-01-prcp_high-daily","station_id":"ASN00033046","station_name":"Mackay Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":31.2,"unit":"mm","previous_value":17.3,"previous_date":"1900-09-01","margin":13.9,"years_stood":20,"significance":16,"tie":false,"provisional":false,"lat":-21.15,"lon":149.1833},{"id":"CA003034480-1921-09-01-tmin_high-daily","station_id":"CA003034480","station_name":"Medicine Hat A","country":"CA","type":"tmin_high","timescale":"daily","date":"1921-09-01","value":15.6,"unit":"c","previous_value":13.3,"previous_date":"1894-09-01","margin":2.3,"years_stood":26,"significance":16,"tie":false,"provisional":false,"lat":50.0167,"lon":-110.7167},{"id":"GM000004063-1921-09-01-tmin_low-daily","station_id":"GM000004063","station_name":"Bamberg","country":"DE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":3.3,"unit":"c","previous_value":5.3,"previous_date":"1898-09-01","margin":2,"years_stood":22,"significance":16,"tie":false,"provisional":false,"lat":49.8753,"lon":10.9217},{"id":"ASN00040337-1921-09-01-prcp_high-daily","station_id":"ASN00040337","station_name":"St Helena Island","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":19.1,"unit":"mm","previous_value":12.2,"previous_date":"1900-09-01","margin":6.9,"years_stood":20,"significance":15,"tie":false,"provisional":false,"lat":-27.3833,"lon":153.2167},{"id":"ASN00044002-1921-09-01-prcp_high-daily","station_id":"ASN00044002","station_name":"Augathella Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":11.4,"unit":"mm","previous_value":5.6,"previous_date":"1894-09-01","margin":5.8,"years_stood":26,"significance":15,"tie":false,"provisional":false,"lat":-25.7956,"lon":146.5858},{"id":"RSM00023914-1921-09-01-prcp_high-daily","station_id":"RSM00023914","station_name":"Cherdyn'","country":"RU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":8,"unit":"mm","previous_value":5,"previous_date":"1901-09-01","margin":3,"years_stood":20,"significance":15,"tie":false,"provisional":false,"lat":60.4,"lon":56.52},{"id":"SWE00137620-1921-09-01-tmin_low-daily","station_id":"SWE00137620","station_name":"Kristianstad","country":"SE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":4,"unit":"c","previous_value":4.5,"previous_date":"1885-09-01","margin":0.5,"years_stood":35,"significance":15,"tie":false,"provisional":false,"lat":56.33,"lon":14.15},{"id":"SWE00137686-1921-09-01-tmin_low-daily","station_id":"SWE00137686","station_name":"Karlshamn","country":"SE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":2.5,"unit":"c","previous_value":3,"previous_date":"1885-09-01","margin":0.5,"years_stood":35,"significance":15,"tie":false,"provisional":false,"lat":56.18,"lon":14.85},{"id":"SWE00139028-1921-09-01-tmin_low-daily","station_id":"SWE00139028","station_name":"Vasteras-Hasslo","country":"SE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":3.5,"unit":"c","previous_value":3.6,"previous_date":"1882-09-01","margin":0.1,"years_stood":38,"significance":15,"tie":false,"provisional":false,"lat":59.59,"lon":16.63},{"id":"ASN00033065-1921-09-01-prcp_high-daily","station_id":"ASN00033065","station_name":"St Lawrence Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":10.4,"unit":"mm","previous_value":3,"previous_date":"1909-09-01","margin":7.4,"years_stood":12,"significance":14,"tie":false,"provisional":false,"lat":-22.3458,"lon":149.5356},{"id":"ASN00036026-1921-09-01-prcp_high-daily","station_id":"ASN00036026","station_name":"Isisford Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":1.8,"unit":"mm","previous_value":0,"previous_date":"1885-09-01","margin":1.8,"years_stood":35,"significance":14,"tie":false,"provisional":false,"lat":-24.2591,"lon":144.4406},{"id":"CA006108060-1921-09-01-tmax_high-daily","station_id":"CA006108060","station_name":"Stonecliffe","country":"CA","type":"tmax_high","timescale":"daily","date":"1921-09-01","value":32.8,"unit":"c","previous_value":30.6,"previous_date":"1898-09-01","margin":2.2,"years_stood":22,"significance":14,"tie":false,"provisional":false,"lat":46.15,"lon":-78.1},{"id":"RSM00030710-1921-09-01-tmax_high-daily","station_id":"RSM00030710","station_name":"Irkutsk","country":"RU","type":"tmax_high","timescale":"daily","date":"1921-09-01","value":28.4,"unit":"c","previous_value":26.6,"previous_date":"1891-09-01","margin":1.8,"years_stood":29,"significance":14,"tie":false,"provisional":false,"lat":52.2667,"lon":104.35},{"id":"ASN00035027-1921-09-01-tmax_low-daily","station_id":"ASN00035027","station_name":"Emerald Post Office","country":"AU","type":"tmax_low","timescale":"daily","date":"1921-09-01","value":20.4,"unit":"c","previous_value":21.2,"previous_date":"1891-09-01","margin":0.8,"years_stood":29,"significance":13,"tie":false,"provisional":false,"lat":-23.5267,"lon":148.1617},{"id":"DA000032030-1921-09-01-tmin_low-daily","station_id":"DA000032030","station_name":"Sandvig","country":"DK","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":8.6,"unit":"c","previous_value":9,"previous_date":"1893-09-01","margin":0.4,"years_stood":27,"significance":13,"tie":false,"provisional":false,"lat":55.2831,"lon":14.7831},{"id":"GME00127354-1921-09-01-tmin_low-daily","station_id":"GME00127354","station_name":"Plauen","country":"DE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":4.3,"unit":"c","previous_value":4.4,"previous_date":"1888-09-01","margin":0.1,"years_stood":32,"significance":13,"tie":false,"provisional":false,"lat":50.4831,"lon":12.1317},{"id":"ASN00036037-1921-09-01-prcp_high-daily","station_id":"ASN00036037","station_name":"Muttaburra","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":4.3,"unit":"mm","previous_value":3.3,"previous_date":"1890-09-01","margin":1,"years_stood":30,"significance":12,"tie":false,"provisional":false,"lat":-22.595,"lon":144.5469},{"id":"ASN00039063-1921-09-01-prcp_high-daily","station_id":"ASN00039063","station_name":"Millaquin Sugar","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":10.4,"unit":"mm","previous_value":5.3,"previous_date":"1901-09-01","margin":5.1,"years_stood":20,"significance":12,"tie":false,"provisional":false,"lat":-24.85,"lon":152.3667},{"id":"CA001100120-1921-09-01-prcp_high-daily","station_id":"CA001100120","station_name":"Agassiz Cda","country":"CA","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":17.5,"unit":"mm","previous_value":16.5,"previous_date":"1890-09-01","margin":1,"years_stood":30,"significance":12,"tie":false,"provisional":false,"lat":49.25,"lon":-121.7667},{"id":"ASN00035013-1921-09-01-prcp_high-daily","station_id":"ASN00035013","station_name":"Bogantungan Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":4.3,"unit":"mm","previous_value":3.3,"previous_date":"1894-09-01","margin":1,"years_stood":26,"significance":11,"tie":false,"provisional":false,"lat":-23.6481,"lon":147.29},{"id":"GME00125806-1921-09-01-tmin_low-daily","station_id":"GME00125806","station_name":"Heinersreuth-Vollhof","country":"DE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":4,"unit":"c","previous_value":4.6,"previous_date":"1898-09-01","margin":0.6,"years_stood":22,"significance":11,"tie":false,"provisional":false,"lat":49.9678,"lon":11.5208},{"id":"USC00215433-1921-09-01-tmin_high-daily","station_id":"USC00215433","station_name":"Minneapolis Wb Dwtn","country":"US","type":"tmin_high","timescale":"daily","date":"1921-09-01","value":22.2,"unit":"c","previous_value":21.1,"previous_date":"1898-09-01","margin":1.1,"years_stood":22,"significance":11,"tie":false,"provisional":false,"lat":44.9833,"lon":-93.3},{"id":"USC00363711-1921-09-01-tmax_high-daily","station_id":"USC00363711","station_name":"Harrisburg - Coop","country":"US","type":"tmax_high","timescale":"daily","date":"1921-09-01","value":34.4,"unit":"c","previous_value":33.3,"previous_date":"1898-09-01","margin":1.1,"years_stood":22,"significance":11,"tie":false,"provisional":false,"lat":40.2667,"lon":-76.8833},{"id":"USW00014824-1921-09-01-tmin_high-daily","station_id":"USW00014824","station_name":"Escanaba","country":"US","type":"tmin_high","timescale":"daily","date":"1921-09-01","value":20,"unit":"c","previous_value":19.4,"previous_date":"1900-09-01","margin":0.6,"years_stood":20,"significance":11,"tie":false,"provisional":false,"lat":45.7181,"lon":-87.0939},{"id":"CA004013030-1921-09-01-tmax_high-daily","station_id":"CA004013030","station_name":"Grenfell","country":"CA","type":"tmax_high","timescale":"daily","date":"1921-09-01","value":28.9,"unit":"c","previous_value":27.8,"previous_date":"1899-09-01","margin":1.1,"years_stood":21,"significance":10,"tie":false,"provisional":false,"lat":50.4167,"lon":-102.9333},{"id":"CA006059475-1921-09-01-tmax_high-daily","station_id":"CA006059475","station_name":"White River","country":"CA","type":"tmax_high","timescale":"daily","date":"1921-09-01","value":30.6,"unit":"c","previous_value":30,"previous_date":"1900-09-01","margin":0.6,"years_stood":20,"significance":10,"tie":false,"provisional":false,"lat":48.6,"lon":-85.2833},{"id":"CA006124700-1921-09-01-tmin_high-daily","station_id":"CA006124700","station_name":"Lucknow","country":"CA","type":"tmin_high","timescale":"daily","date":"1921-09-01","value":20,"unit":"c","previous_value":19.4,"previous_date":"1899-09-01","margin":0.6,"years_stood":21,"significance":10,"tie":false,"provisional":false,"lat":43.95,"lon":-81.5},{"id":"USC00034562-1921-09-01-prcp_high-daily","station_id":"USC00034562","station_name":"Malvern","country":"US","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":24.1,"unit":"mm","previous_value":17.8,"previous_date":"1907-09-01","margin":6.3,"years_stood":14,"significance":10,"tie":false,"provisional":false,"lat":34.3947,"lon":-92.8364},{"id":"ASN00033050-1921-09-01-prcp_high-daily","station_id":"ASN00033050","station_name":"Marlborough Post Office","country":"AU","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":3,"unit":"mm","previous_value":1.3,"previous_date":"1909-09-01","margin":1.7,"years_stood":12,"significance":9,"tie":false,"provisional":false,"lat":-22.8131,"lon":149.89},{"id":"CA008202198-1921-09-01-tmin_low-daily","station_id":"CA008202198","station_name":"Halifax","country":"CA","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":5,"unit":"c","previous_value":5.6,"previous_date":"1908-09-01","margin":0.6,"years_stood":12,"significance":9,"tie":false,"provisional":false,"lat":44.65,"lon":-63.6},{"id":"RSM00023711-1921-09-01-tmin_low-daily","station_id":"RSM00023711","station_name":"Troicko-Pecherskoe","country":"RU","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":-2.7,"unit":"c","previous_value":-1.8,"previous_date":"1908-09-01","margin":0.9,"years_stood":12,"significance":8,"tie":false,"provisional":false,"lat":62.7,"lon":56.2},{"id":"RSM00028275-1921-09-01-tmin_low-daily","station_id":"RSM00028275","station_name":"Tobolsk","country":"RU","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":0.9,"unit":"c","previous_value":3.2,"previous_date":"1920-09-01","margin":2.3,"years_stood":0,"significance":8,"tie":false,"provisional":false,"lat":58.15,"lon":68.25},{"id":"USC00031152-1921-09-01-prcp_high-daily","station_id":"USC00031152","station_name":"Camden 1","country":"US","type":"prcp_high","timescale":"daily","date":"1921-09-01","value":15,"unit":"mm","previous_value":12.7,"previous_date":"1905-09-01","margin":2.3,"years_stood":16,"significance":8,"tie":false,"provisional":false,"lat":33.59,"lon":-92.8236},{"id":"USC00200032-1921-09-01-tmax_high-daily","station_id":"USC00200032","station_name":"Adrian 2 NNE","country":"US","type":"tmax_high","timescale":"daily","date":"1921-09-01","value":35,"unit":"c","previous_value":33.9,"previous_date":"1913-09-01","margin":1.1,"years_stood":8,"significance":7,"tie":false,"provisional":false,"lat":41.9164,"lon":-84.0164},{"id":"CA006046588-1921-09-01-tmax_high-monthly","station_id":"CA006046588","station_name":"Port Arthur","country":"CA","type":"tmax_high","timescale":"monthly","date":"1921-09-01","value":31.7,"unit":"c","previous_value":31.7,"previous_date":"1897-09-09","margin":0,"years_stood":23,"significance":5,"tie":true,"provisional":false,"lat":48.4333,"lon":-89.2167},{"id":"SWE00138212-1921-09-01-tmin_low-daily","station_id":"SWE00138212","station_name":"Vastervik","country":"SE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":4.5,"unit":"c","previous_value":5,"previous_date":"1918-09-01","margin":0.5,"years_stood":3,"significance":5,"tie":false,"provisional":false,"lat":57.79,"lon":16.59},{"id":"SWM00002485-1921-09-01-tmin_low-daily","station_id":"SWM00002485","station_name":"Stockholm","country":"SE","type":"tmin_low","timescale":"daily","date":"1921-09-01","value":5,"unit":"c","previous_value":5,"previous_date":"1893-09-01","margin":0,"years_stood":27,"significance":3,"tie":true,"provisional":false,"lat":59.35,"lon":18.05},{"id":"USW00093725-1921-09-01-tmax_high-daily","station_id":"USW00093725","station_name":"Washington","country":"US","type":"tmax_high","timescale":"daily","date":"1921-09-01","value":34.4,"unit":"c","previous_value":34.4,"previous_date":"1898-09-01","margin":0,"years_stood":22,"significance":3,"tie":true,"provisional":false,"lat":38.9053,"lon":-77.0525},{"id":"CA006046588-1921-09-01-tmin_high-daily","station_id":"CA006046588","station_name":"Port Arthur","country":"CA","type":"tmin_high","timescale":"daily","date":"1921-09-01","value":15.6,"unit":"c","previous_value":15.6,"previous_date":"1900-09-01","margin":0,"years_stood":20,"significance":2,"tie":true,"provisional":false,"lat":48.4333,"lon":-89.2167}]}