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Weather Records on 21 August 1911

19 weather records were set or tied worldwide on 21 August 1911. Highest significance: Dubbo (Darling Street), AU.

Key Facts for 21 August 1911

  • On 21 August 1911, 19 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 6 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 19 daily.
  • Dubbo (Darling Street) set a daily record precipitation of 18.0 mm (0.7 in) on 21 August 1911.
  • Across 164 earlier years (1800 to 2025) the same calendar date averaged 447 records.

Record Map

19 stations
Weather records on 21 August 1911 19 station records on 21 August 1911 are marked on the map, coloured by record type.
19 station records on 21 August 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 August 1911: highest significance records shown on the map
StationCountryTypeValueSignificance
Dubbo (Darling Street)AustraliaRecord daily precipitation18.0 mm (0.7 in)18 of 100 (Routine)
Gunnedah PoolAustraliaRecord daily precipitation30.5 mm (1.2 in)17 of 100 (Routine)
Cassilis Post OfficeAustraliaRecord daily precipitation21.1 mm (0.8 in)17 of 100 (Routine)
Bathurst GaolAustraliaRecord high minimum temperature6.7 C (44.1 F)17 of 100 (Routine)
Burra BurraAustraliaRecord daily precipitation13.5 mm (0.5 in)16 of 100 (Routine)
Yamba Pilot StationAustraliaRecord daily precipitation26.4 mm (1.0 in)14 of 100 (Routine)
Sydney (Observatory Hill)AustraliaRecord daily precipitation31.2 mm (1.2 in)14 of 100 (Routine)
Little Rock St CapitolUnited StatesRecord daily precipitation32.3 mm (1.3 in)14 of 100 (Routine)
Neilrex (Caigan)AustraliaRecord daily precipitation17.3 mm (0.7 in)13 of 100 (Routine)
Chattanooga Wb CityUnited StatesRecord low minimum temperature16.1 C (61.0 F)13 of 100 (Routine)
Grafton City CouncilAustraliaRecord daily precipitation15.2 mm (0.6 in)11 of 100 (Routine)
Nordby (Fano)DenmarkRecord low minimum temperature7.7 C (45.9 F)11 of 100 (Routine)
KarlsruheGermanyRecord daily precipitation34.9 mm (1.4 in)11 of 100 (Routine)
Berlin-DahlemGermanyRecord low minimum temperature7.9 C (46.2 F)11 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord low maximum temperature25.0 C (77.0 F)11 of 100 (Routine)
VestervigDenmarkRecord low minimum temperature7.4 C (45.3 F)10 of 100 (Routine)
Munchen-NymphenburgGermanyRecord high minimum temperature17.2 C (63.0 F)6 of 100 (Routine)
Newark Liberty Intl APUnited StatesRecord low minimum temperature11.7 C (53.1 F)5 of 100 (Routine)
Coonabarabran (Namoi Street)AustraliaRecord daily precipitation22.9 mm (0.9 in)0 of 100 (Routine)

Counts by Type and Timescale

19 records
Records on 21 August 1911 by type Records set or tied on 21 August 1911 by type: Lowest daily maximum 1, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 11. 051015Highest daily maximum: 0Lowest daily maximum: 1Highest daily minimum: 2Lowest daily minimum: 5Heaviest daily rainfall: 11Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 August 1911 by type: Lowest daily maximum 1, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 11.
Records on 21 August 1911 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum1
Highest daily minimum2
Lowest daily minimum5
Heaviest daily rainfall11
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 August 1911 by timescale Records on 21 August 1911 by timescale: all-time 0, monthly 0, daily 19. 05101520all-time: 0monthly: 0daily: 19all-timemonthlydaily
Records on 21 August 1911 by timescale: all-time 0, monthly 0, daily 19.
Records on 21 August 1911 by timescale
TimescaleRecords
all-time0
monthly0
daily19

How Much Records Were Beaten By

17 broken records
Histogram of margins by which records were beaten on 21 August 1911 Margins by which the 17 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 10.2. Ties are not counted. 024680 to 2: 72 to 4: 24 to 6: 26 to 8: 18 to 10: 210 to 12: 30 to 22 to 44 to 66 to 88 to 1010 to 12
Margins by which the 17 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 10.2. Ties are not counted.
Histogram of margins by which records were beaten on 21 August 1911
MarginRecords
0 to 27
2 to 42
4 to 62
6 to 81
8 to 102
10 to 123

Top 20 by Significance

21 August 1911
Top 19 records on 21 August 1911 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 August 1911Dubbo (Darling Street), AUdaily rain18.0 mm (0.7 in)10.1 mm (0.4 in)4 years18 of 100 (Routine)
21 August 1911Gunnedah Pool, AUdaily rain30.5 mm (1.2 in)10.2 mm (0.4 in)17 years17 of 100 (Routine)
21 August 1911Cassilis Post Office, AUdaily rain21.1 mm (0.8 in)10.2 mm (0.4 in)4 years17 of 100 (Routine)
21 August 1911Bathurst Gaol, AUdaily high min6.7 C (44.1 F)1.1 C (2.0 F)30 years17 of 100 (Routine)
21 August 1911Burra Burra, AUdaily rain13.5 mm (0.5 in)8.7 mm (0.34 in)15 years16 of 100 (Routine)
21 August 1911Yamba Pilot Station, AUdaily rain26.4 mm (1.0 in)4.6 mm (0.18 in)31 years14 of 100 (Routine)
21 August 1911Sydney (Observatory Hill), AUdaily rain31.2 mm (1.2 in)2.5 mm (0.10 in)27 years14 of 100 (Routine)
21 August 1911Little Rock St Capitol, USdaily rain32.3 mm (1.3 in)9.7 mm (0.38 in)16 years14 of 100 (Routine)
21 August 1911Neilrex (Caigan), AUdaily rain17.3 mm (0.7 in)2.8 mm (0.11 in)27 years13 of 100 (Routine)
21 August 1911Chattanooga Wb City, USdaily low min16.1 C (61.0 F)1.1 C (2.0 F)17 years13 of 100 (Routine)
21 August 1911Grafton City Council, AUdaily rain15.2 mm (0.6 in)4.0 mm (0.16 in)17 years11 of 100 (Routine)
21 August 1911Nordby (Fano), DKdaily low min7.7 C (45.9 F)0.6 C (1.1 F)22 years11 of 100 (Routine)
21 August 1911Karlsruhe, DEdaily rain34.9 mm (1.4 in)6.0 mm (0.24 in)0 years11 of 100 (Routine)
21 August 1911Berlin-Dahlem, DEdaily low min7.9 C (46.2 F)0.7 C (1.3 F)22 years11 of 100 (Routine)
21 August 1911Wilmington Wb City, USdaily low max25.0 C (77.0 F)1.1 C (2.0 F)13 years11 of 100 (Routine)
21 August 1911Vestervig, DKdaily low min7.4 C (45.3 F)0.2 C (0.4 F)22 years10 of 100 (Routine)
21 August 1911Munchen-Nymphenburg, DEdaily high min17.2 C (63.0 F)0.1 C (0.2 F)12 years6 of 100 (Routine)
21 August 1911Newark Liberty Intl AP, USdaily low min (Tie)11.7 C (53.1 F)tie57 years5 of 100 (Routine)
21 August 1911Coonabarabran (Namoi Street), AUdaily rain (Tie)22.9 mm (0.9 in)tie1 year0 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 1911
Records on 08-21 in each year Records set or tied on this calendar date in each year from 1800 to 1911. 1911 had 19 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 1911. 1911 had 19 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 1911-08-21: 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).