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Built 2026-10-15 (15 October 2026)

Weather Records on 21 August 1910

33 weather records were set or tied worldwide on 21 August 1910. Highest significance: Halmstad, SE.

Key Facts for 21 August 1910

  • On 21 August 1910, 33 weather records were set or tied at long-record stations worldwide.
  • 8 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 33 daily.
  • Halmstad set a daily record precipitation of 44.2 mm (1.7 in) on 21 August 1910.
  • Across 164 earlier years (1800 to 2025) the same calendar date averaged 447 records.

Record Map

33 stations
Weather records on 21 August 1910 33 station records on 21 August 1910 are marked on the map, coloured by record type.
33 station records on 21 August 1910 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 August 1910: highest significance records shown on the map
StationCountryTypeValueSignificance
HalmstadSwedenRecord daily precipitation44.2 mm (1.7 in)39 of 100 (Notable)
VaexjoeSwedenRecord daily precipitation32.2 mm (1.3 in)27 of 100 (Routine)
KarlsruheGermanyRecord daily precipitation28.9 mm (1.1 in)26 of 100 (Routine)
LjungbySwedenRecord daily precipitation27.8 mm (1.1 in)26 of 100 (Routine)
Olands Norra UddeSwedenRecord daily precipitation10.4 mm (0.4 in)20 of 100 (Routine)
Hastings Post OfficeAustraliaRecord daily precipitation18.0 mm (0.7 in)20 of 100 (Routine)
HamiltonAustraliaRecord daily precipitation15.5 mm (0.6 in)17 of 100 (Routine)
Port AlbertAustraliaRecord daily precipitation16.5 mm (0.6 in)16 of 100 (Routine)
BlackwoodAustraliaRecord daily precipitation21.6 mm (0.9 in)16 of 100 (Routine)
HohenpeissenbergGermanyRecord high maximum temperature28.3 C (82.9 F)15 of 100 (Routine)
Pointe Au PereCanadaRecord high minimum temperature13.3 C (55.9 F)14 of 100 (Routine)
Ringwood 2AustraliaRecord daily precipitation15.7 mm (0.6 in)13 of 100 (Routine)
Rokewood (the Meadows)AustraliaRecord daily precipitation8.6 mm (0.34 in)13 of 100 (Routine)
SterlingSouth AfricaRecord daily precipitation0.8 mm (0.03 in)13 of 100 (Routine)
Smeaton WeirAustraliaRecord daily precipitation7.1 mm (0.28 in)12 of 100 (Routine)
SalzburgAustriaRecord high maximum temperature31.1 C (88.0 F)12 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord daily precipitation11.3 mm (0.4 in)12 of 100 (Routine)
RosedaleAustraliaRecord daily precipitation14.7 mm (0.6 in)11 of 100 (Routine)
Anticosti SW PointCanadaRecord high maximum temperature23.9 C (75.0 F)11 of 100 (Routine)
Augsburg (Sankt Stephan)GermanyRecord high maximum temperature31.2 C (88.2 F)11 of 100 (Routine)
VarbergSwedenRecord daily precipitation10.8 mm (0.4 in)10 of 100 (Routine)
ClunesAustraliaRecord daily precipitation10.7 mm (0.4 in)9 of 100 (Routine)
MalmesburySouth AfricaRecord daily precipitation7.4 mm (0.29 in)9 of 100 (Routine)
Mount ButeAustraliaRecord daily precipitation9.1 mm (0.36 in)8 of 100 (Routine)
SalzburgAustriaRecord high minimum temperature18.6 C (65.5 F)8 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low minimum temperature9.4 C (48.9 F)8 of 100 (Routine)
Walgett Council DepotAustraliaRecord low minimum temperature-0.6 C (30.9 F)6 of 100 (Routine)
Casterton (Warrock)AustraliaRecord daily precipitation10.7 mm (0.4 in)6 of 100 (Routine)
Tulbagh (Pol)South AfricaRecord daily precipitation5.6 mm (0.22 in)6 of 100 (Routine)
EscanabaUnited StatesRecord high minimum temperature18.3 C (64.9 F)3 of 100 (Routine)
Port ArthurCanadaRecord high minimum temperature15.0 C (59.0 F)2 of 100 (Routine)
SydneyCanadaRecord low minimum temperature6.7 C (44.1 F)2 of 100 (Routine)
BjurakerSwedenRecord daily precipitation14.6 mm (0.6 in)1 of 100 (Routine)

Counts by Type and Timescale

33 records
Records on 21 August 1910 by type Records set or tied on 21 August 1910 by type: Highest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 22. 0102030Highest daily maximum: 4Lowest daily maximum: 0Highest daily minimum: 4Lowest daily minimum: 3Heaviest daily rainfall: 22Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 August 1910 by type: Highest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 22.
Records on 21 August 1910 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum0
Highest daily minimum4
Lowest daily minimum3
Heaviest daily rainfall22
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 August 1910 by timescale Records on 21 August 1910 by timescale: all-time 0, monthly 0, daily 33. 010203040all-time: 0monthly: 0daily: 33all-timemonthlydaily
Records on 21 August 1910 by timescale: all-time 0, monthly 0, daily 33.
Records on 21 August 1910 by timescale
TimescaleRecords
all-time0
monthly0
daily33

How Much Records Were Beaten By

29 broken records
Histogram of margins by which records were beaten on 21 August 1910 Margins by which the 29 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 19.4. Ties are not counted. 051015200 to 3: 173 to 5: 55 to 8: 18 to 10: 210 to 13: 213 to 15: 115 to 18: 018 to 20: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 1818 to 20
Margins by which the 29 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 19.4. Ties are not counted.
Histogram of margins by which records were beaten on 21 August 1910
MarginRecords
0 to 317
3 to 55
5 to 81
8 to 102
10 to 132
13 to 151
15 to 180
18 to 201

Top 20 by Significance

21 August 1910
Top 20 records on 21 August 1910 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 August 1910Halmstad, SEdaily rain44.2 mm (1.7 in)19.4 mm (0.8 in)32 years39 of 100 (Notable)
21 August 1910Vaexjoe, SEdaily rain32.2 mm (1.3 in)14.8 mm (0.6 in)3 years27 of 100 (Routine)
21 August 1910Karlsruhe, DEdaily rain28.9 mm (1.1 in)9.9 mm (0.39 in)30 years26 of 100 (Routine)
21 August 1910Ljungby, SEdaily rain27.8 mm (1.1 in)12.4 mm (0.5 in)18 years26 of 100 (Routine)
21 August 1910Olands Norra Udde, SEdaily rain10.4 mm (0.4 in)8.0 mm (0.31 in)27 years20 of 100 (Routine)
21 August 1910Hastings Post Office, AUdaily rain18.0 mm (0.7 in)5.3 mm (0.21 in)29 years20 of 100 (Routine)
21 August 1910Hamilton, AUdaily rain15.5 mm (0.6 in)4.6 mm (0.18 in)14 years17 of 100 (Routine)
21 August 1910Port Albert, AUdaily rain16.5 mm (0.6 in)2.5 mm (0.10 in)29 years16 of 100 (Routine)
21 August 1910Blackwood, AUdaily rain21.6 mm (0.9 in)10.7 mm (0.4 in)7 years16 of 100 (Routine)
21 August 1910Hohenpeissenberg, DEdaily high max28.3 C (82.9 F)1.7 C (3.1 F)28 years15 of 100 (Routine)
21 August 1910Pointe Au Pere, CAdaily high min13.3 C (55.9 F)1.1 C (2.0 F)23 years14 of 100 (Routine)
21 August 1910Ringwood 2, AUdaily rain15.7 mm (0.6 in)1.2 mm (0.05 in)23 years13 of 100 (Routine)
21 August 1910Rokewood (the Meadows), AUdaily rain8.6 mm (0.34 in)0.7 mm (0.03 in)29 years13 of 100 (Routine)
21 August 1910Sterling, ZAdaily rain0.8 mm (0.03 in)0.8 mm (0.03 in)31 years13 of 100 (Routine)
21 August 1910Smeaton Weir, AUdaily rain7.1 mm (0.28 in)2.8 mm (0.11 in)15 years12 of 100 (Routine)
21 August 1910Salzburg, ATdaily high max31.1 C (88.0 F)0.8 C (1.4 F)28 years12 of 100 (Routine)
21 August 1910Heinersreuth-Vollhof, DEdaily rain11.3 mm (0.4 in)1.4 mm (0.06 in)27 years12 of 100 (Routine)
21 August 1910Rosedale, AUdaily rain14.7 mm (0.6 in)0.7 mm (0.03 in)23 years11 of 100 (Routine)
21 August 1910Anticosti SW Point, CAdaily high max23.9 C (75.0 F)2.2 C (4.0 F)0 years11 of 100 (Routine)
21 August 1910Augsburg (Sankt Stephan), DEdaily high max31.2 C (88.2 F)1.6 C (2.9 F)17 years11 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 1910
Records on 08-21 in each year Records set or tied on this calendar date in each year from 1800 to 1910. 1910 had 33 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 1910. 1910 had 33 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 1910-08-21: 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).