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Built 2026-10-15 (15 October 2026)

Weather Records on 21 September 1920

29 weather records were set or tied worldwide on 21 September 1920. Highest significance: Tashkent, UZ.

Key Facts for 21 September 1920

  • On 21 September 1920, 29 weather records were set or tied at long-record stations worldwide.
  • 10 were record highs and 14 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 29 daily.
  • Tashkent set a daily record high minimum temperature of 17.5 C (63.5 F) on 21 September 1920.
  • Across 155 earlier years (1805 to 2026) the same calendar date averaged 454 records.

Record Map

29 stations
Weather records on 21 September 1920 29 station records on 21 September 1920 are marked on the map, coloured by record type.
29 station records on 21 September 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 September 1920: highest significance records shown on the map
StationCountryTypeValueSignificance
TashkentUzbekistanRecord high minimum temperature17.5 C (63.5 F)25 of 100 (Routine)
QuebecCanadaRecord low minimum temperature0.6 C (33.1 F)17 of 100 (Routine)
OttawaCanadaRecord low minimum temperature0.0 C (32.0 F)15 of 100 (Routine)
Bremen-SeefahrtschuleGermanyRecord daily precipitation15.2 mm (0.6 in)15 of 100 (Routine)
SheffieldUnited KingdomRecord low minimum temperature2.8 C (37.0 F)15 of 100 (Routine)
RenfrewCanadaRecord low minimum temperature-1.7 C (28.9 F)14 of 100 (Routine)
Huron Rgnl APUnited StatesRecord high minimum temperature20.6 C (69.1 F)14 of 100 (Routine)
Fort NationalAlgeriaRecord high minimum temperature21.0 C (69.8 F)13 of 100 (Routine)
GoorambatAustraliaRecord daily precipitation5.6 mm (0.22 in)13 of 100 (Routine)
Fredericton UnbCanadaRecord low minimum temperature-1.1 C (30.0 F)13 of 100 (Routine)
New WestminsterCanadaRecord daily precipitation23.9 mm (0.9 in)11 of 100 (Routine)
Qu'appelleCanadaRecord high minimum temperature11.7 C (53.1 F)11 of 100 (Routine)
Ottawa CdaCanadaRecord low minimum temperature-0.6 C (30.9 F)11 of 100 (Routine)
GardinerUnited StatesRecord low minimum temperature2.2 C (36.0 F)10 of 100 (Routine)
ConstantineAlgeriaRecord high minimum temperature20.0 C (68.0 F)8 of 100 (Routine)
MinnedosaCanadaRecord high minimum temperature12.2 C (54.0 F)8 of 100 (Routine)
St AlbansCanadaRecord high minimum temperature13.9 C (57.0 F)7 of 100 (Routine)
Crookston NW Exp STNUnited StatesRecord daily precipitation2.5 mm (0.10 in)5 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord low maximum temperature11.7 C (53.1 F)4 of 100 (Routine)
ChathamCanadaRecord low minimum temperature1.1 C (34.0 F)3 of 100 (Routine)
Saint JohnCanadaRecord low minimum temperature3.3 C (37.9 F)3 of 100 (Routine)
HoornNetherlandsRecord daily precipitation17.4 mm (0.7 in)3 of 100 (Routine)
Sfax El-MaouTunisiaRecord high maximum temperature33.0 C (91.4 F)3 of 100 (Routine)
Milwaukee Wb CityUnited StatesRecord high maximum temperature32.2 C (90.0 F)3 of 100 (Routine)
ConstantineAlgeriaRecord high maximum temperature34.0 C (93.2 F)2 of 100 (Routine)
AstoriaUnited StatesRecord low maximum temperature14.4 C (57.9 F)2 of 100 (Routine)
NorthfieldUnited StatesRecord low minimum temperature-1.1 C (30.0 F)2 of 100 (Routine)
Spokane Intl APUnited StatesRecord low maximum temperature12.8 C (55.0 F)2 of 100 (Routine)
Gunnedah PoolAustraliaRecord low maximum temperature17.8 C (64.0 F)1 of 100 (Routine)

Counts by Type and Timescale

29 records
Records on 21 September 1920 by type Records set or tied on 21 September 1920 by type: Highest daily maximum 3, Lowest daily maximum 4, Highest daily minimum 7, Lowest daily minimum 10, Heaviest daily rainfall 5. 035810Highest daily maximum: 3Lowest daily maximum: 4Highest daily minimum: 7Lowest daily minimum: 10Heaviest daily rainfall: 5Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 September 1920 by type: Highest daily maximum 3, Lowest daily maximum 4, Highest daily minimum 7, Lowest daily minimum 10, Heaviest daily rainfall 5.
Records on 21 September 1920 by type
Record typeRecords
Highest daily maximum3
Lowest daily maximum4
Highest daily minimum7
Lowest daily minimum10
Heaviest daily rainfall5
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 September 1920 by timescale Records on 21 September 1920 by timescale: all-time 0, monthly 0, daily 29. 0102030all-time: 0monthly: 0daily: 29all-timemonthlydaily
Records on 21 September 1920 by timescale: all-time 0, monthly 0, daily 29.
Records on 21 September 1920 by timescale
TimescaleRecords
all-time0
monthly0
daily29

How Much Records Were Beaten By

19 broken records
Histogram of margins by which records were beaten on 21 September 1920 Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 4.3. Ties are not counted. 024680 to 1: 81 to 2: 72 to 3: 13 to 4: 24 to 5: 10 to 11 to 22 to 33 to 44 to 5
Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 4.3. Ties are not counted.
Histogram of margins by which records were beaten on 21 September 1920
MarginRecords
0 to 18
1 to 27
2 to 31
3 to 42
4 to 51

Top 20 by Significance

21 September 1920
Top 20 records on 21 September 1920 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 September 1920Tashkent, UZdaily high min17.5 C (63.5 F)3.4 C (6.1 F)36 years25 of 100 (Routine)
21 September 1920Quebec, CAdaily low min0.6 C (33.1 F)1.1 C (2.0 F)38 years17 of 100 (Routine)
21 September 1920Ottawa, CAdaily low min0.0 C (32.0 F)0.6 C (1.1 F)35 years15 of 100 (Routine)
21 September 1920Bremen-Seefahrtschule, DEdaily rain15.2 mm (0.6 in)3.8 mm (0.15 in)22 years15 of 100 (Routine)
21 September 1920Sheffield, GBdaily low min2.8 C (37.0 F)0.9 C (1.6 F)30 years15 of 100 (Routine)
21 September 1920Renfrew, CAdaily low min-1.7 C (28.9 F)0.6 C (1.1 F)33 years14 of 100 (Routine)
21 September 1920Huron Rgnl AP, USdaily high min20.6 C (69.1 F)2.3 C (4.1 F)21 years14 of 100 (Routine)
21 September 1920Fort National, DZdaily high min21.0 C (69.8 F)1.0 C (1.8 F)27 years13 of 100 (Routine)
21 September 1920Goorambat, AUdaily rain5.6 mm (0.22 in)1.8 mm (0.07 in)26 years13 of 100 (Routine)
21 September 1920Fredericton Unb, CAdaily low min-1.1 C (30.0 F)1.1 C (2.0 F)21 years13 of 100 (Routine)
21 September 1920New Westminster, CAdaily rain23.9 mm (0.9 in)4.3 mm (0.17 in)15 years11 of 100 (Routine)
21 September 1920Qu'appelle, CAdaily high min11.7 C (53.1 F)1.7 C (3.1 F)14 years11 of 100 (Routine)
21 September 1920Ottawa Cda, CAdaily low min-0.6 C (30.9 F)1.2 C (2.2 F)22 years11 of 100 (Routine)
21 September 1920Gardiner, USdaily low min2.2 C (36.0 F)0.6 C (1.1 F)21 years10 of 100 (Routine)
21 September 1920Constantine, DZdaily high min20.0 C (68.0 F)1.0 C (1.8 F)9 years8 of 100 (Routine)
21 September 1920Minnedosa, CAdaily high min12.2 C (54.0 F)0.5 C (0.9 F)12 years8 of 100 (Routine)
21 September 1920St Albans, CAdaily high min13.9 C (57.0 F)0.6 C (1.1 F)12 years7 of 100 (Routine)
21 September 1920Crookston NW Exp STN, USdaily rain2.5 mm (0.10 in)0.5 mm (0.02 in)8 years5 of 100 (Routine)
21 September 1920Cape Otway Lighthouse, AUdaily low max (Tie)11.7 C (53.1 F)tie47 years4 of 100 (Routine)
21 September 1920Chatham, CAdaily low min (Tie)1.1 C (34.0 F)tie34 years3 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1805 to 1920
Records on 09-21 in each year Records set or tied on this calendar date in each year from 1805 to 1920. 1920 had 29 records. 01,0002,0003,0001805: 11812: 11825: 21840: 11841: 11842: 11848: 11854: 11856: 21868: 11872: 21873: 11877: 11878: 11881: 11882: 11884: 11886: 11888: 21889: 11891: 101892: 11893: 101894: 21895: 31896: 21897: 61898: 61899: 31900: 21901: 51902: 51903: 81904: 201905: 121906: 171907: 101908: 171909: 101910: 81911: 181912: 261913: 371914: 291915: 341916: 481917: 281918: 431919: 541920: 291921: 641922: 351923: 2321924: 2911925: 2781926: 1781927: 1651928: 811929: 2321930: 821931: 6811932: 2421933: 1931934: 4921935: 1991936: 3291937: 4871938: 5081939: 3081940: 9081941: 4161942: 2911943: 4071944: 4131945: 5071946: 1761947: 5341948: 3011949: 2981950: 3341951: 2411952: 4301953: 3821954: 4531955: 7521956: 1,1001957: 3661958: 5881959: 5131960: 4181961: 4411962: 1,0851963: 3061964: 3741965: 1,0881966: 5651967: 5771968: 7901969: 5931970: 7081971: 6451972: 5991973: 4211974: 6521975: 5281976: 6941977: 9181978: 8181979: 7361980: 9901981: 6961982: 1,4841983: 2,2071984: 7071985: 7961986: 6711987: 9651988: 5571989: 1,0021990: 7161991: 1,0211992: 7521993: 9111994: 7131995: 2,0021996: 1,2331997: 1,1121998: 1,4811999: 1,0252000: 8842001: 7182002: 6962003: 9592004: 8882005: 1,1432006: 9202007: 7422008: 7402009: 7152010: 1,2902011: 5422012: 5952013: 7692014: 7162015: 5652016: 9892017: 1,1782018: 1,0512019: 8332020: 5802021: 4652022: 1,0492023: 7832024: 4702025: 5882026: 4691805188419031919193519511967198319992015
Records set or tied on this calendar date in each year from 1805 to 1920. 1920 had 29 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-21 in each year
YearRecords
18051
18121
18252
18401
18411
18421
18481
18541
18562
18681
18722
18731
18771
18781
18811
18821
18841
18861
18882
18891
189110
18921
189310
18942
18953
18962
18976
18986
18993
19002
19015
19025
19038
190420
190512
190617
190710
190817
190910
19108
191118
191226
191337
191429
191534
191648
191728
191843
191954
192029
192164
192235
1923232
1924291
1925278
1926178
1927165
192881
1929232
193082
1931681
1932242
1933193
1934492
1935199
1936329
1937487
1938508
1939308
1940908
1941416
1942291
1943407
1944413
1945507
1946176
1947534
1948301
1949298
1950334
1951241
1952430
1953382
1954453
1955752
19561,100
1957366
1958588
1959513
1960418
1961441
19621,085
1963306
1964374
19651,088
1966565
1967577
1968790
1969593
1970708
1971645
1972599
1973421
1974652
1975528
1976694
1977918
1978818
1979736
1980990
1981696
19821,484
19832,207
1984707
1985796
1986671
1987965
1988557
19891,002
1990716
19911,021
1992752
1993911
1994713
19952,002
19961,233
19971,112
19981,481
19991,025
2000884
2001718
2002696
2003959
2004888
20051,143
2006920
2007742
2008740
2009715
20101,290
2011542
2012595
2013769
2014716
2015565
2016989
20171,178
20181,051
2019833
2020580
2021465
20221,049
2023783
2024470
2025588
2026469

Download the Data

  • Data for records on 1920-09-21: CSV or JSON. Field meanings are on the data page.

Sources: 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. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-12).