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Built 2026-10-16 (16 October 2026)

Weather Records on 21 October 1918

18 weather records were set or tied worldwide on 21 October 1918. Highest significance: Cherdyn', RU.

Key Facts for 21 October 1918

  • On 21 October 1918, 18 weather records were set or tied at long-record stations worldwide.
  • 7 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 17 daily.
  • Cherdyn' set a monthly record daily precipitation of 28.5 mm (1.1 in) on 21 October 1918.
  • Across 167 earlier years (1795 to 2025) the same calendar date averaged 422 records.

Record Map

18 stations
Weather records on 21 October 1918 18 station records on 21 October 1918 are marked on the map, coloured by record type.
18 station records on 21 October 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 October 1918: highest significance records shown on the map
StationCountryTypeValueSignificance
Cherdyn'RussiaRecord daily precipitation28.5 mm (1.1 in)38 of 100 (Notable)
Brisbane Regional OfficeAustraliaRecord high maximum temperature35.8 C (96.4 F)23 of 100 (Routine)
WhiteheadCanadaRecord daily precipitation48.8 mm (1.9 in)23 of 100 (Routine)
OrenburgRussiaRecord daily precipitation9.6 mm (0.38 in)20 of 100 (Routine)
Tarkastad (Pol)South AfricaRecord daily precipitation6.4 mm (0.25 in)17 of 100 (Routine)
LangmornAustraliaRecord daily precipitation4.8 mm (0.19 in)16 of 100 (Routine)
Qu'appelleCanadaRecord high minimum temperature6.1 C (43.0 F)15 of 100 (Routine)
Lock #4United StatesRecord daily precipitation17.3 mm (0.7 in)15 of 100 (Routine)
Prince AlbertCanadaRecord high minimum temperature2.2 C (36.0 F)13 of 100 (Routine)
Point EscuminacCanadaRecord daily precipitation13.7 mm (0.5 in)11 of 100 (Routine)
BarkervilleCanadaRecord daily snowfall8.1 cm (3.2 in)10 of 100 (Routine)
Medicine Hat ACanadaRecord high minimum temperature5.6 C (42.1 F)10 of 100 (Routine)
Swift CurrentCanadaRecord high minimum temperature5.0 C (41.0 F)10 of 100 (Routine)
EkaterinburgRussiaRecord high minimum temperature7.3 C (45.1 F)9 of 100 (Routine)
GreensboroughAustraliaRecord daily precipitation13.2 mm (0.5 in)8 of 100 (Routine)
YarmouthCanadaRecord daily precipitation14.0 mm (0.6 in)4 of 100 (Routine)
BarkervilleCanadaRecord daily precipitation8.1 mm (0.32 in)2 of 100 (Routine)
Chattanooga Wb CityUnited StatesRecord high minimum temperature15.0 C (59.0 F)1 of 100 (Routine)

Counts by Type and Timescale

18 records
Records on 21 October 1918 by type Records set or tied on 21 October 1918 by type: Highest daily maximum 1, Highest daily minimum 6, Heaviest daily rainfall 10, Heaviest daily snowfall 1. 035810Highest daily maximum: 1Lowest daily maximum: 0Highest daily minimum: 6Lowest daily minimum: 0Heaviest daily rainfall: 10Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 October 1918 by type: Highest daily maximum 1, Highest daily minimum 6, Heaviest daily rainfall 10, Heaviest daily snowfall 1.
Records on 21 October 1918 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum0
Highest daily minimum6
Lowest daily minimum0
Heaviest daily rainfall10
Heaviest daily snowfall1
Deepest snow cover0
Records on 21 October 1918 by timescale Records on 21 October 1918 by timescale: all-time 0, monthly 1, daily 17. 05101520all-time: 0monthly: 1daily: 17all-timemonthlydaily
Records on 21 October 1918 by timescale: all-time 0, monthly 1, daily 17.
Records on 21 October 1918 by timescale
TimescaleRecords
all-time0
monthly1
daily17

How Much Records Were Beaten By

16 broken records
Histogram of margins by which records were beaten on 21 October 1918 Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 14.8. Ties are not counted. 02460 to 2: 62 to 4: 34 to 6: 56 to 8: 18 to 10: 010 to 12: 012 to 14: 014 to 16: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 1414 to 16
Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 14.8. Ties are not counted.
Histogram of margins by which records were beaten on 21 October 1918
MarginRecords
0 to 26
2 to 43
4 to 65
6 to 81
8 to 100
10 to 120
12 to 140
14 to 161

Top 20 by Significance

21 October 1918
Top 18 records on 21 October 1918 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 October 1918Cherdyn', RUmonthly rain28.5 mm (1.1 in)5.5 mm (0.22 in)27 years38 of 100 (Notable)
21 October 1918Brisbane Regional Office, AUdaily high max35.8 C (96.4 F)4.2 C (7.6 F)24 years23 of 100 (Routine)
21 October 1918Whitehead, CAdaily rain48.8 mm (1.9 in)14.8 mm (0.6 in)26 years23 of 100 (Routine)
21 October 1918Orenburg, RUdaily rain9.6 mm (0.38 in)6.3 mm (0.25 in)4 years20 of 100 (Routine)
21 October 1918Tarkastad (Pol), ZAdaily rain6.4 mm (0.25 in)4.1 mm (0.16 in)29 years17 of 100 (Routine)
21 October 1918Langmorn, AUdaily rain4.8 mm (0.19 in)4.8 mm (0.19 in)33 years16 of 100 (Routine)
21 October 1918Qu'appelle, CAdaily high min6.1 C (43.0 F)1.1 C (2.0 F)31 years15 of 100 (Routine)
21 October 1918Lock #4, USdaily rain17.3 mm (0.7 in)3.6 mm (0.14 in)30 years15 of 100 (Routine)
21 October 1918Prince Albert, CAdaily high min2.2 C (36.0 F)0.5 C (0.9 F)31 years13 of 100 (Routine)
21 October 1918Point Escuminac, CAdaily rain13.7 mm (0.5 in)1.0 mm (0.04 in)26 years11 of 100 (Routine)
21 October 1918Barkerville, CAdaily snowfall8.1 cm (3.2 in)0.5 cm (0.2 in)24 years10 of 100 (Routine)
21 October 1918Medicine Hat A, CAdaily high min5.6 C (42.1 F)1.2 C (2.2 F)17 years10 of 100 (Routine)
21 October 1918Swift Current, CAdaily high min5.0 C (41.0 F)0.6 C (1.1 F)20 years10 of 100 (Routine)
21 October 1918Ekaterinburg, RUdaily high min7.3 C (45.1 F)2.1 C (3.8 F)11 years9 of 100 (Routine)
21 October 1918Greensborough, AUdaily rain13.2 mm (0.5 in)3.5 mm (0.14 in)0 years8 of 100 (Routine)
21 October 1918Yarmouth, CAdaily rain14.0 mm (0.6 in)0.3 mm (0.01 in)3 years4 of 100 (Routine)
21 October 1918Barkerville, CAdaily rain (Tie)8.1 mm (0.32 in)tie29 years2 of 100 (Routine)
21 October 1918Chattanooga Wb City, USdaily high min (Tie)15.0 C (59.0 F)tie7 years1 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

1795 to 1918
Records on 10-21 in each year Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 18 records. 01,0002,0003,0001795: 11802: 21805: 11808: 11810: 11834: 11835: 11840: 11845: 11847: 11850: 11851: 21854: 11859: 11863: 11864: 11866: 31867: 11868: 31869: 21871: 11872: 11873: 11874: 11876: 41877: 21878: 11880: 31881: 11883: 11886: 11888: 21889: 21890: 31891: 61892: 61893: 11894: 11895: 21896: 51898: 61899: 31900: 21901: 91902: 21903: 31904: 301905: 151906: 111907: 351908: 351909: 191910: 211911: 101912: 181913: 591914: 351915: 431916: 701917: 2081918: 181919: 1021920: 1491921: 581922: 781923: 811924: 3891925: 1501926: 771927: 1871928: 781929: 2001930: 4921931: 2171932: 1651933: 7331934: 4071935: 7071936: 4071937: 1321938: 1211939: 4911940: 5371941: 6441942: 2581943: 4211944: 3671945: 5381946: 2971947: 9771948: 2661949: 1,0151950: 4381951: 3821952: 8481953: 1,5791954: 2791955: 4811956: 2761957: 5111958: 3221959: 4101960: 4081961: 5531962: 3591963: 7251964: 4571965: 4651966: 4251967: 4721968: 1741969: 8811970: 5481971: 4981972: 8131973: 4641974: 8661975: 5091976: 1,4671977: 4511978: 6161979: 1,9581980: 3781981: 6671982: 8701983: 7861984: 1,8721985: 7761986: 8141987: 8521988: 6961989: 1,6681990: 8071991: 8771992: 1,0951993: 8451994: 6701995: 1,1201996: 1,5811997: 9151998: 7111999: 6882000: 7712001: 6102002: 1,2412003: 2,0662004: 1,6742005: 9492006: 1,0572007: 9162008: 6102009: 7132010: 7102011: 6622012: 7032013: 4402014: 7162015: 4932016: 7342017: 7502018: 4402019: 7572020: 1,1352021: 5742022: 6292023: 8902024: 1,1382025: 3641795186718911909192619431960197719942011
Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 18 records.
Counts for years before the ledger starts come from the same station rules.
Records on 10-21 in each year
YearRecords
17951
18022
18051
18081
18101
18341
18351
18401
18451
18471
18501
18512
18541
18591
18631
18641
18663
18671
18683
18692
18711
18721
18731
18741
18764
18772
18781
18803
18811
18831
18861
18882
18892
18903
18916
18926
18931
18941
18952
18965
18986
18993
19002
19019
19022
19033
190430
190515
190611
190735
190835
190919
191021
191110
191218
191359
191435
191543
191670
1917208
191818
1919102
1920149
192158
192278
192381
1924389
1925150
192677
1927187
192878
1929200
1930492
1931217
1932165
1933733
1934407
1935707
1936407
1937132
1938121
1939491
1940537
1941644
1942258
1943421
1944367
1945538
1946297
1947977
1948266
19491,015
1950438
1951382
1952848
19531,579
1954279
1955481
1956276
1957511
1958322
1959410
1960408
1961553
1962359
1963725
1964457
1965465
1966425
1967472
1968174
1969881
1970548
1971498
1972813
1973464
1974866
1975509
19761,467
1977451
1978616
19791,958
1980378
1981667
1982870
1983786
19841,872
1985776
1986814
1987852
1988696
19891,668
1990807
1991877
19921,095
1993845
1994670
19951,120
19961,581
1997915
1998711
1999688
2000771
2001610
20021,241
20032,066
20041,674
2005949
20061,057
2007916
2008610
2009713
2010710
2011662
2012703
2013440
2014716
2015493
2016734
2017750
2018440
2019757
20201,135
2021574
2022629
2023890
20241,138
2025364

Download the Data

  • Data for records on 1918-10-21: 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).