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Weather Records on 21 November 1918

12 weather records were set or tied worldwide on 21 November 1918. Highest significance: Perm, RU.

Key Facts for 21 November 1918

  • On 21 November 1918, 12 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 4 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 12 daily.
  • Perm set a daily record precipitation of 10.0 mm (0.4 in) on 21 November 1918.
  • Across 159 earlier years (1803 to 2025) the same calendar date averaged 452 records.

Record Map

12 stations
Weather records on 21 November 1918 12 station records on 21 November 1918 are marked on the map, coloured by record type.
12 station records on 21 November 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 November 1918: highest significance records shown on the map
StationCountryTypeValueSignificance
PermRussiaRecord daily precipitation10.0 mm (0.4 in)20 of 100 (Routine)
Vasteras-HassloSwedenRecord low minimum temperature-14.5 C (5.9 F)17 of 100 (Routine)
SurgutRussiaRecord daily precipitation7.5 mm (0.30 in)15 of 100 (Routine)
OttawaCanadaRecord daily snowfall4.6 cm (1.8 in)14 of 100 (Routine)
Charters Towers Post OfficeAustraliaRecord daily precipitation17.5 mm (0.7 in)13 of 100 (Routine)
Robe ComparisonAustraliaRecord low minimum temperature6.1 C (43.0 F)12 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low maximum temperature10.6 C (51.1 F)10 of 100 (Routine)
EnisejskRussiaRecord daily precipitation3.6 mm (0.14 in)8 of 100 (Routine)
FreiburgGermanyRecord low minimum temperature-4.9 C (23.2 F)7 of 100 (Routine)
St. PetersburgRussiaRecord daily precipitation4.4 mm (0.17 in)6 of 100 (Routine)
Houston Wb CityUnited StatesRecord daily precipitation21.3 mm (0.8 in)3 of 100 (Routine)
NicosiaCyprusRecord high minimum temperature14.4 C (57.9 F)2 of 100 (Routine)

Counts by Type and Timescale

12 records
Records on 21 November 1918 by type Records set or tied on 21 November 1918 by type: Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 3, Heaviest daily rainfall 6, Heaviest daily snowfall 1. 0246Highest daily maximum: 0Lowest daily maximum: 1Highest daily minimum: 1Lowest daily minimum: 3Heaviest daily rainfall: 6Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 November 1918 by type: Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 3, Heaviest daily rainfall 6, Heaviest daily snowfall 1.
Records on 21 November 1918 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum1
Highest daily minimum1
Lowest daily minimum3
Heaviest daily rainfall6
Heaviest daily snowfall1
Deepest snow cover0
Records on 21 November 1918 by timescale Records on 21 November 1918 by timescale: all-time 0, monthly 0, daily 12. 051015all-time: 0monthly: 0daily: 12all-timemonthlydaily
Records on 21 November 1918 by timescale: all-time 0, monthly 0, daily 12.
Records on 21 November 1918 by timescale
TimescaleRecords
all-time0
monthly0
daily12

How Much Records Were Beaten By

11 broken records
Histogram of margins by which records were beaten on 21 November 1918 Margins by which the 11 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.0. Ties are not counted. 02460 to 1: 51 to 2: 12 to 3: 23 to 4: 04 to 5: 05 to 6: 16 to 7: 17 to 8: 10 to 11 to 22 to 33 to 44 to 55 to 66 to 77 to 8
Margins by which the 11 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.0. Ties are not counted.
Histogram of margins by which records were beaten on 21 November 1918
MarginRecords
0 to 15
1 to 21
2 to 32
3 to 40
4 to 50
5 to 61
6 to 71
7 to 81

Top 20 by Significance

21 November 1918
Top 12 records on 21 November 1918 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 November 1918Perm, RUdaily rain10.0 mm (0.4 in)5.0 mm (0.20 in)9 years20 of 100 (Routine)
21 November 1918Vasteras-Hasslo, SEdaily low min-14.5 C (5.9 F)2.0 C (3.6 F)33 years17 of 100 (Routine)
21 November 1918Surgut, RUdaily rain7.5 mm (0.30 in)2.2 mm (0.09 in)4 years15 of 100 (Routine)
21 November 1918Ottawa, CAdaily snowfall4.6 cm (1.8 in)0.8 cm (0.3 in)30 years14 of 100 (Routine)
21 November 1918Charters Towers Post Office, AUdaily rain17.5 mm (0.7 in)6.1 mm (0.24 in)23 years13 of 100 (Routine)
21 November 1918Robe Comparison, AUdaily low min6.1 C (43.0 F)0.1 C (0.2 F)31 years12 of 100 (Routine)
21 November 1918Sacramento 5 ESE, USdaily low max10.6 C (51.1 F)0.5 C (0.9 F)19 years10 of 100 (Routine)
21 November 1918Enisejsk, RUdaily rain3.6 mm (0.14 in)0.9 mm (0.04 in)4 years8 of 100 (Routine)
21 November 1918Freiburg, DEdaily low min-4.9 C (23.2 F)0.3 C (0.5 F)16 years7 of 100 (Routine)
21 November 1918St. Petersburg, RUdaily rain4.4 mm (0.17 in)0.4 mm (0.02 in)7 years6 of 100 (Routine)
21 November 1918Houston Wb City, USdaily rain21.3 mm (0.8 in)1.7 mm (0.07 in)1 year3 of 100 (Routine)
21 November 1918Nicosia, CYdaily high min (Tie)14.4 C (57.9 F)tie25 years2 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

1803 to 1918
Records on 11-21 in each year Records set or tied on this calendar date in each year from 1803 to 1918. 1918 had 12 records. 05001,0001,5002,0001803: 11816: 21821: 21829: 11835: 11839: 11844: 11847: 11855: 11856: 11857: 11858: 41866: 11868: 11870: 21871: 21872: 11873: 21874: 11876: 21879: 41880: 41881: 11882: 11883: 31887: 31889: 11890: 71893: 11894: 41896: 11897: 41898: 31899: 41900: 71901: 51902: 71903: 51904: 91905: 31906: 141907: 71908: 91909: 181910: 231911: 191912: 141913: 791914: 511915: 211916: 661917: 2481918: 121919: 221920: 361921: 961922: 421923: 271924: 1041925: 731926: 4201927: 1081928: 1091929: 4671930: 2431931: 6821932: 1621933: 3811934: 5781935: 621936: 1921937: 1,3091938: 1191939: 3031940: 3371941: 3291942: 6621943: 2121944: 2501945: 3081946: 6041947: 5401948: 4141949: 5881950: 9041951: 6051952: 4241953: 4081954: 9271955: 4191956: 6241957: 4421958: 4071959: 4601960: 6911961: 7381962: 5241963: 6011964: 1,0141965: 4481966: 5891967: 3361968: 3581969: 6111970: 4001971: 5141972: 7351973: 1,1001974: 8091975: 5481976: 3151977: 1,3131978: 1,0341979: 1,4091980: 8051981: 9391982: 8071983: 1,0661984: 5251985: 1,8081986: 8151987: 9491988: 9281989: 7971990: 1,3371991: 9441992: 1,3751993: 1,4131994: 1,1791995: 1,0841996: 1,8821997: 4491998: 1,3121999: 9202000: 1,1912001: 8112002: 8472003: 1,0072004: 8732005: 4912006: 1,1812007: 9362008: 1,0792009: 1,1312010: 8942011: 9442012: 7922013: 5432014: 8152015: 7852016: 1,0002017: 6872018: 3912019: 6532020: 4212021: 2962022: 8242023: 5842024: 5192025: 7451803187218981914193019461962197819942010
Records set or tied on this calendar date in each year from 1803 to 1918. 1918 had 12 records.
Counts for years before the ledger starts come from the same station rules.
Records on 11-21 in each year
YearRecords
18031
18162
18212
18291
18351
18391
18441
18471
18551
18561
18571
18584
18661
18681
18702
18712
18721
18732
18741
18762
18794
18804
18811
18821
18833
18873
18891
18907
18931
18944
18961
18974
18983
18994
19007
19015
19027
19035
19049
19053
190614
19077
19089
190918
191023
191119
191214
191379
191451
191521
191666
1917248
191812
191922
192036
192196
192242
192327
1924104
192573
1926420
1927108
1928109
1929467
1930243
1931682
1932162
1933381
1934578
193562
1936192
19371,309
1938119
1939303
1940337
1941329
1942662
1943212
1944250
1945308
1946604
1947540
1948414
1949588
1950904
1951605
1952424
1953408
1954927
1955419
1956624
1957442
1958407
1959460
1960691
1961738
1962524
1963601
19641,014
1965448
1966589
1967336
1968358
1969611
1970400
1971514
1972735
19731,100
1974809
1975548
1976315
19771,313
19781,034
19791,409
1980805
1981939
1982807
19831,066
1984525
19851,808
1986815
1987949
1988928
1989797
19901,337
1991944
19921,375
19931,413
19941,179
19951,084
19961,882
1997449
19981,312
1999920
20001,191
2001811
2002847
20031,007
2004873
2005491
20061,181
2007936
20081,079
20091,131
2010894
2011944
2012792
2013543
2014815
2015785
20161,000
2017687
2018391
2019653
2020421
2021296
2022824
2023584
2024519
2025745

Download the Data

  • Data for records on 1918-11-21: 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).