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Built 2026-10-15 (15 October 2026)

Weather Records on 21 August 1914

24 weather records were set or tied worldwide on 21 August 1914. Highest significance: Southampton, CA.

Key Facts for 21 August 1914

  • On 21 August 1914, 24 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 11 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 24 daily.
  • Southampton set a daily record precipitation of 39.4 mm (1.6 in) on 21 August 1914.
  • Across 164 earlier years (1800 to 2025) the same calendar date averaged 447 records.

Record Map

24 stations
Weather records on 21 August 1914 24 station records on 21 August 1914 are marked on the map, coloured by record type.
24 station records on 21 August 1914 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 August 1914: highest significance records shown on the map
StationCountryTypeValueSignificance
SouthamptonCanadaRecord daily precipitation39.4 mm (1.6 in)31 of 100 (Routine)
PiteaSwedenRecord low minimum temperature2.0 C (35.6 F)20 of 100 (Routine)
WestminsterCanadaRecord daily precipitation61.7 mm (2.4 in)19 of 100 (Routine)
DalhousieCanadaRecord daily precipitation29.2 mm (1.1 in)18 of 100 (Routine)
WellandCanadaRecord daily precipitation25.7 mm (1.0 in)17 of 100 (Routine)
KirovRussiaRecord daily precipitation23.3 mm (0.9 in)17 of 100 (Routine)
Port Macquarie (Bellevue GardeAustraliaRecord daily precipitation43.7 mm (1.7 in)16 of 100 (Routine)
KazanRussiaRecord daily precipitation17.7 mm (0.7 in)16 of 100 (Routine)
Uppsala_AutSwedenRecord low minimum temperature1.9 C (35.4 F)15 of 100 (Routine)
HaparandaSwedenRecord low minimum temperature3.0 C (37.4 F)13 of 100 (Routine)
ParisCanadaRecord daily precipitation19.1 mm (0.8 in)12 of 100 (Routine)
SalekhardRussiaRecord daily precipitation13.0 mm (0.5 in)12 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord daily precipitation21.8 mm (0.9 in)12 of 100 (Routine)
AuroraCanadaRecord daily precipitation24.4 mm (1.0 in)11 of 100 (Routine)
St. PetersburgRussiaRecord low minimum temperature6.3 C (43.3 F)11 of 100 (Routine)
KievUkraineRecord low maximum temperature15.4 C (59.7 F)11 of 100 (Routine)
Cape May 2 NWUnited StatesRecord daily precipitation20.3 mm (0.8 in)11 of 100 (Routine)
GavleSwedenRecord low minimum temperature1.0 C (33.8 F)5 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low minimum temperature15.0 C (59.0 F)3 of 100 (Routine)
BromeCanadaRecord daily precipitation20.3 mm (0.8 in)3 of 100 (Routine)
HarnosandSwedenRecord low minimum temperature4.0 C (39.2 F)2 of 100 (Routine)
KaresuandoSwedenRecord low maximum temperature10.0 C (50.0 F)2 of 100 (Routine)
ParnuEstoniaRecord low minimum temperature4.1 C (39.4 F)1 of 100 (Routine)
UmeaSwedenRecord low minimum temperature0.5 C (32.9 F)1 of 100 (Routine)

Counts by Type and Timescale

24 records
Records on 21 August 1914 by type Records set or tied on 21 August 1914 by type: Lowest daily maximum 2, Lowest daily minimum 9, Heaviest daily rainfall 13. 051015Highest daily maximum: 0Lowest daily maximum: 2Highest daily minimum: 0Lowest daily minimum: 9Heaviest daily rainfall: 13Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 August 1914 by type: Lowest daily maximum 2, Lowest daily minimum 9, Heaviest daily rainfall 13.
Records on 21 August 1914 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum2
Highest daily minimum0
Lowest daily minimum9
Heaviest daily rainfall13
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 August 1914 by timescale Records on 21 August 1914 by timescale: all-time 0, monthly 0, daily 24. 0102030all-time: 0monthly: 0daily: 24all-timemonthlydaily
Records on 21 August 1914 by timescale: all-time 0, monthly 0, daily 24.
Records on 21 August 1914 by timescale
TimescaleRecords
all-time0
monthly0
daily24

How Much Records Were Beaten By

18 broken records
Histogram of margins by which records were beaten on 21 August 1914 Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 14.5. Ties are not counted. 02460 to 2: 62 to 4: 24 to 6: 26 to 8: 28 to 10: 110 to 12: 212 to 14: 214 to 16: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 1414 to 16
Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 14.5. Ties are not counted.
Histogram of margins by which records were beaten on 21 August 1914
MarginRecords
0 to 26
2 to 42
4 to 62
6 to 82
8 to 101
10 to 122
12 to 142
14 to 161

Top 20 by Significance

21 August 1914
Top 20 records on 21 August 1914 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 August 1914Southampton, CAdaily rain39.4 mm (1.6 in)14.5 mm (0.6 in)34 years31 of 100 (Routine)
21 August 1914Pitea, SEdaily low min2.0 C (35.6 F)3.0 C (5.4 F)25 years20 of 100 (Routine)
21 August 1914Westminster, CAdaily rain61.7 mm (2.4 in)12.2 mm (0.5 in)23 years19 of 100 (Routine)
21 August 1914Dalhousie, CAdaily rain29.2 mm (1.1 in)10.4 mm (0.4 in)22 years18 of 100 (Routine)
21 August 1914Welland, CAdaily rain25.7 mm (1.0 in)12.5 mm (0.5 in)1 year17 of 100 (Routine)
21 August 1914Kirov, RUdaily rain23.3 mm (0.9 in)5.8 mm (0.23 in)20 years17 of 100 (Routine)
21 August 1914Port Macquarie (Bellevue Garde, AUdaily rain43.7 mm (1.7 in)10.7 mm (0.4 in)14 years16 of 100 (Routine)
21 August 1914Kazan, RUdaily rain17.7 mm (0.7 in)7.3 mm (0.29 in)4 years16 of 100 (Routine)
21 August 1914Uppsala_Aut, SEdaily low min1.9 C (35.4 F)0.5 C (0.9 F)25 years15 of 100 (Routine)
21 August 1914Haparanda, SEdaily low min3.0 C (37.4 F)1.0 C (1.8 F)29 years13 of 100 (Routine)
21 August 1914Paris, CAdaily rain19.1 mm (0.8 in)7.9 mm (0.31 in)8 years12 of 100 (Routine)
21 August 1914Salekhard, RUdaily rain13.0 mm (0.5 in)3.0 mm (0.12 in)16 years12 of 100 (Routine)
21 August 1914Atlantic City Marina, USdaily rain21.8 mm (0.9 in)4.5 mm (0.18 in)21 years12 of 100 (Routine)
21 August 1914Aurora, CAdaily rain24.4 mm (1.0 in)1.5 mm (0.06 in)23 years11 of 100 (Routine)
21 August 1914St. Petersburg, RUdaily low min6.3 C (43.3 F)0.3 C (0.5 F)25 years11 of 100 (Routine)
21 August 1914Kiev, UAdaily low max15.4 C (59.7 F)1.8 C (3.2 F)14 years11 of 100 (Routine)
21 August 1914Cape May 2 NW, USdaily rain20.3 mm (0.8 in)9.9 mm (0.39 in)7 years11 of 100 (Routine)
21 August 1914Gavle, SEdaily low min1.0 C (33.8 F)0.5 C (0.9 F)5 years5 of 100 (Routine)
21 August 1914Oran-Hopital Militaire, DZdaily low min (Tie)15.0 C (59.0 F)tie25 years3 of 100 (Routine)
21 August 1914Brome, CAdaily rain (Tie)20.3 mm (0.8 in)tie33 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

1800 to 1914
Records on 08-21 in each year Records set or tied on this calendar date in each year from 1800 to 1914. 1914 had 24 records. 05001,0001,5002,0001800: 11802: 11804: 11807: 11816: 11818: 11832: 11834: 11839: 31843: 11847: 11849: 31850: 11851: 21863: 11866: 11867: 21870: 31871: 21872: 11873: 11876: 11877: 21879: 21884: 21885: 51886: 11887: 51888: 21889: 31890: 41891: 21893: 41894: 81895: 31896: 21897: 41898: 41899: 71900: 41901: 91902: 81903: 61904: 81905: 41906: 221907: 201908: 131909: 171910: 331911: 191912: 501913: 371914: 241915: 211916: 1061917: 1011918: 2021919: 191920: 591921: 341922: 581923: 1111924: 1351925: 2201926: 2271927: 2281928: 1101929: 2341930: 2971931: 2771932: 2641933: 3281934: 3201935: 3181936: 8071937: 7621938: 2391939: 6301940: 6831941: 1801942: 4151943: 4381944: 3461945: 5441946: 3901947: 9541948: 3051949: 5081950: 9581951: 6991952: 3681953: 3311954: 4971955: 8851956: 7011957: 4901958: 3891959: 7041960: 4901961: 6441962: 4691963: 3381964: 7941965: 4551966: 6611967: 5411968: 1,0141969: 6501970: 3731971: 6601972: 4411973: 4381974: 5641975: 5451976: 7561977: 7641978: 4451979: 7781980: 9041981: 1,0151982: 7691983: 1,4071984: 9751985: 6231986: 1,1661987: 7401988: 8891989: 8281990: 9101991: 8281992: 9571993: 6981994: 9681995: 9621996: 9501997: 1,2911998: 9481999: 7172000: 8612001: 7972002: 9652003: 1,2412004: 1,5852005: 1,0712006: 7972007: 1,8292008: 1,0122009: 1,3192010: 1,1552011: 1,0222012: 9902013: 5132014: 6242015: 6512016: 8902017: 3472018: 8142019: 6252020: 1,1402021: 7602022: 9132023: 1,8142024: 7772025: 1,2321800187018951912192919461963198019972014
Records set or tied on this calendar date in each year from 1800 to 1914. 1914 had 24 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-21 in each year
YearRecords
18001
18021
18041
18071
18161
18181
18321
18341
18393
18431
18471
18493
18501
18512
18631
18661
18672
18703
18712
18721
18731
18761
18772
18792
18842
18855
18861
18875
18882
18893
18904
18912
18934
18948
18953
18962
18974
18984
18997
19004
19019
19028
19036
19048
19054
190622
190720
190813
190917
191033
191119
191250
191337
191424
191521
1916106
1917101
1918202
191919
192059
192134
192258
1923111
1924135
1925220
1926227
1927228
1928110
1929234
1930297
1931277
1932264
1933328
1934320
1935318
1936807
1937762
1938239
1939630
1940683
1941180
1942415
1943438
1944346
1945544
1946390
1947954
1948305
1949508
1950958
1951699
1952368
1953331
1954497
1955885
1956701
1957490
1958389
1959704
1960490
1961644
1962469
1963338
1964794
1965455
1966661
1967541
19681,014
1969650
1970373
1971660
1972441
1973438
1974564
1975545
1976756
1977764
1978445
1979778
1980904
19811,015
1982769
19831,407
1984975
1985623
19861,166
1987740
1988889
1989828
1990910
1991828
1992957
1993698
1994968
1995962
1996950
19971,291
1998948
1999717
2000861
2001797
2002965
20031,241
20041,585
20051,071
2006797
20071,829
20081,012
20091,319
20101,155
20111,022
2012990
2013513
2014624
2015651
2016890
2017347
2018814
2019625
20201,140
2021760
2022913
20231,814
2024777
20251,232

Download the Data

  • Data for records on 1914-08-21: 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 (2025-12-31).