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Built 2026-10-19 (19 October 2026)

Weather Records on 11 August 1915

27 weather records were set or tied worldwide on 11 August 1915. Highest significance: Brantford, CA.

Key Facts for 11 August 1915

  • On 11 August 1915, 27 weather records were set or tied at long-record stations worldwide.
  • 8 were record highs and 2 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 27 daily.
  • Brantford set a daily record precipitation of 27.9 mm (1.1 in) on 11 August 1915.
  • Across 161 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

27 stations
Weather records on 11 August 1915 27 station records on 11 August 1915 are marked on the map, coloured by record type.
27 station records on 11 August 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 11 August 1915: highest significance records shown on the map
StationCountryTypeValueSignificance
BrantfordCanadaRecord daily precipitation27.9 mm (1.1 in)23 of 100 (Routine)
ArnsbergGermanyRecord daily precipitation25.0 mm (1.0 in)23 of 100 (Routine)
PlauenGermanyRecord daily precipitation20.0 mm (0.8 in)20 of 100 (Routine)
Scotsburn (Mount Boninyong)AustraliaRecord daily precipitation22.4 mm (0.9 in)20 of 100 (Routine)
Groningen-1NetherlandsRecord daily precipitation20.1 mm (0.8 in)20 of 100 (Routine)
RegensburgGermanyRecord daily precipitation24.0 mm (0.9 in)17 of 100 (Routine)
Buangor 1AustraliaRecord daily precipitation13.7 mm (0.5 in)15 of 100 (Routine)
WatfordCanadaRecord daily precipitation25.4 mm (1.0 in)14 of 100 (Routine)
Nuwara EliyaSri LankaRecord high maximum temperature23.1 C (73.6 F)14 of 100 (Routine)
Balmoral (Post Office)AustraliaRecord daily precipitation12.7 mm (0.5 in)13 of 100 (Routine)
Stony MountainCanadaRecord high maximum temperature35.0 C (95.0 F)13 of 100 (Routine)
Toledo BladeUnited StatesRecord daily precipitation24.9 mm (1.0 in)11 of 100 (Routine)
Wandin (Yallock)AustraliaRecord daily precipitation9.1 mm (0.36 in)10 of 100 (Routine)
Anticosti SW PointCanadaRecord low minimum temperature6.7 C (44.1 F)10 of 100 (Routine)
Woods PointAustraliaRecord daily precipitation22.9 mm (0.9 in)9 of 100 (Routine)
CottamCanadaRecord daily precipitation19.1 mm (0.8 in)9 of 100 (Routine)
Malin HeadIrelandRecord daily precipitation16.2 mm (0.6 in)9 of 100 (Routine)
DunollyAustraliaRecord daily precipitation6.6 mm (0.26 in)8 of 100 (Routine)
St AlbansCanadaRecord high maximum temperature37.2 C (99.0 F)8 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord high minimum temperature17.2 C (63.0 F)6 of 100 (Routine)
Berlin-DahlemGermanyRecord low minimum temperature7.9 C (46.2 F)6 of 100 (Routine)
AstrakanRussiaRecord high minimum temperature22.0 C (71.6 F)5 of 100 (Routine)
Stornoway AirportUnited KingdomRecord high minimum temperature13.3 C (55.9 F)3 of 100 (Routine)
EdmontonCanadaRecord high maximum temperature29.4 C (84.9 F)1 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord high maximum temperature33.9 C (93.0 F)1 of 100 (Routine)
Piketberg (Pol)South AfricaRecord daily precipitation22.9 mm (0.9 in)1 of 100 (Routine)
Chatham 2CanadaRecord daily precipitation25.4 mm (1.0 in)0 of 100 (Routine)

Counts by Type and Timescale

27 records
Records on 11 August 1915 by type Records set or tied on 11 August 1915 by type: Highest daily maximum 5, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 17. 05101520Highest daily maximum: 5Lowest daily maximum: 0Highest daily minimum: 3Lowest daily minimum: 2Heaviest daily rainfall: 17Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 11 August 1915 by type: Highest daily maximum 5, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 17.
Records on 11 August 1915 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum0
Highest daily minimum3
Lowest daily minimum2
Heaviest daily rainfall17
Heaviest daily snowfall0
Deepest snow cover0
Records on 11 August 1915 by timescale Records on 11 August 1915 by timescale: all-time 0, monthly 0, daily 27. 0102030all-time: 0monthly: 0daily: 27all-timemonthlydaily
Records on 11 August 1915 by timescale: all-time 0, monthly 0, daily 27.
Records on 11 August 1915 by timescale
TimescaleRecords
all-time0
monthly0
daily27

How Much Records Were Beaten By

22 broken records
Histogram of margins by which records were beaten on 11 August 1915 Margins by which the 22 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.2. Ties are not counted. 0510150 to 2: 112 to 4: 44 to 6: 16 to 8: 38 to 10: 210 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 22 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.2. Ties are not counted.
Histogram of margins by which records were beaten on 11 August 1915
MarginRecords
0 to 211
2 to 44
4 to 61
6 to 83
8 to 102
10 to 120
12 to 140
14 to 161

Top 20 by Significance

11 August 1915
Top 20 records on 11 August 1915 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
11 August 1915Brantford, CAdaily rain27.9 mm (1.1 in)15.2 mm (0.6 in)27 years23 of 100 (Routine)
11 August 1915Arnsberg, DEdaily rain25.0 mm (1.0 in)6.6 mm (0.26 in)33 years23 of 100 (Routine)
11 August 1915Plauen, DEdaily rain20.0 mm (0.8 in)9.6 mm (0.38 in)27 years20 of 100 (Routine)
11 August 1915Scotsburn (Mount Boninyong), AUdaily rain22.4 mm (0.9 in)9.2 mm (0.36 in)18 years20 of 100 (Routine)
11 August 1915Groningen-1, NLdaily rain20.1 mm (0.8 in)1.7 mm (0.07 in)42 years20 of 100 (Routine)
11 August 1915Regensburg, DEdaily rain24.0 mm (0.9 in)5.8 mm (0.23 in)19 years17 of 100 (Routine)
11 August 1915Buangor 1, AUdaily rain13.7 mm (0.5 in)3.8 mm (0.15 in)22 years15 of 100 (Routine)
11 August 1915Watford, CAdaily rain25.4 mm (1.0 in)6.3 mm (0.25 in)27 years14 of 100 (Routine)
11 August 1915Nuwara Eliya, LKdaily high max23.1 C (73.6 F)1.0 C (1.8 F)22 years14 of 100 (Routine)
11 August 1915Balmoral (Post Office), AUdaily rain12.7 mm (0.5 in)2.0 mm (0.08 in)20 years13 of 100 (Routine)
11 August 1915Stony Mountain, CAdaily high max35.0 C (95.0 F)1.7 C (3.1 F)25 years13 of 100 (Routine)
11 August 1915Toledo Blade, USdaily rain24.9 mm (1.0 in)1.5 mm (0.06 in)21 years11 of 100 (Routine)
11 August 1915Wandin (Yallock), AUdaily rain9.1 mm (0.36 in)3.3 mm (0.13 in)8 years10 of 100 (Routine)
11 August 1915Anticosti SW Point, CAdaily low min6.7 C (44.1 F)0.5 C (0.9 F)22 years10 of 100 (Routine)
11 August 1915Woods Point, AUdaily rain22.9 mm (0.9 in)6.6 mm (0.26 in)4 years9 of 100 (Routine)
11 August 1915Cottam, CAdaily rain19.1 mm (0.8 in)1.8 mm (0.07 in)17 years9 of 100 (Routine)
11 August 1915Malin Head, IEdaily rain16.2 mm (0.6 in)2.5 mm (0.10 in)8 years9 of 100 (Routine)
11 August 1915Dunolly, AUdaily rain6.6 mm (0.26 in)1.8 mm (0.07 in)8 years8 of 100 (Routine)
11 August 1915St Albans, CAdaily high max37.2 C (99.0 F)1.1 C (2.0 F)10 years8 of 100 (Routine)
11 August 1915Winnipeg St Johns Coll, CAdaily high min17.2 C (63.0 F)0.5 C (0.9 F)5 years6 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

1793 to 1915
Records on 08-11 in each year Records set or tied on this calendar date in each year from 1793 to 1915. 1915 had 27 records. 01,0002,0003,0001793: 11796: 11811: 11815: 21838: 11839: 11841: 11851: 11855: 11858: 11861: 21862: 11863: 11864: 61865: 11866: 61869: 41871: 11875: 11879: 21881: 11883: 11885: 11888: 11889: 41890: 41891: 11892: 41893: 11894: 11895: 21896: 51897: 31898: 21899: 31900: 41901: 41902: 131903: 121904: 191905: 91906: 61907: 81908: 101909: 411910: 91911: 241912: 461913: 431914: 261915: 271916: 641917: 2171918: 291919: 181920: 541921: 2011922: 981923: 801924: 1491925: 2191926: 1401927: 1901928: 1741929: 3541930: 4711931: 4531932: 2811933: 4161934: 6201935: 4991936: 5411937: 3561938: 3151939: 3891940: 3591941: 8071942: 3901943: 3451944: 9361945: 4011946: 4191947: 7091948: 3061949: 4711950: 3201951: 2961952: 4171953: 2831954: 5361955: 3191956: 4571957: 3051958: 4941959: 3371960: 4611961: 4291962: 6621963: 4931964: 6771965: 7931966: 1,0371967: 1,0711968: 6191969: 5331970: 5261971: 7111972: 8231973: 4511974: 5961975: 7531976: 5291977: 8451978: 4331979: 7971980: 9291981: 6451982: 1,2321983: 1,0951984: 8221985: 8041986: 5631987: 8851988: 1,1191989: 9831990: 7601991: 8221992: 9281993: 8401994: 1,1731995: 1,3241996: 1,1471997: 1,5121998: 1,2321999: 1,1522000: 9242001: 8112002: 1,1522003: 1,6012004: 1,4782005: 1,0312006: 8962007: 1,4282008: 9452009: 8362010: 2,2892011: 1,1062012: 9532013: 4702014: 5562015: 6962016: 1,3402017: 6192018: 8612019: 7582020: 6882021: 8342022: 6612023: 7572024: 6432025: 7222026: 7651793187118991916193319501967198420012018
Records set or tied on this calendar date in each year from 1793 to 1915. 1915 had 27 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-11 in each year
YearRecords
17931
17961
18111
18152
18381
18391
18411
18511
18551
18581
18612
18621
18631
18646
18651
18666
18694
18711
18751
18792
18811
18831
18851
18881
18894
18904
18911
18924
18931
18941
18952
18965
18973
18982
18993
19004
19014
190213
190312
190419
19059
19066
19078
190810
190941
19109
191124
191246
191343
191426
191527
191664
1917217
191829
191918
192054
1921201
192298
192380
1924149
1925219
1926140
1927190
1928174
1929354
1930471
1931453
1932281
1933416
1934620
1935499
1936541
1937356
1938315
1939389
1940359
1941807
1942390
1943345
1944936
1945401
1946419
1947709
1948306
1949471
1950320
1951296
1952417
1953283
1954536
1955319
1956457
1957305
1958494
1959337
1960461
1961429
1962662
1963493
1964677
1965793
19661,037
19671,071
1968619
1969533
1970526
1971711
1972823
1973451
1974596
1975753
1976529
1977845
1978433
1979797
1980929
1981645
19821,232
19831,095
1984822
1985804
1986563
1987885
19881,119
1989983
1990760
1991822
1992928
1993840
19941,173
19951,324
19961,147
19971,512
19981,232
19991,152
2000924
2001811
20021,152
20031,601
20041,478
20051,031
2006896
20071,428
2008945
2009836
20102,289
20111,106
2012953
2013470
2014556
2015696
20161,340
2017619
2018861
2019758
2020688
2021834
2022661
2023757
2024643
2025722
2026765

Download the Data

  • Data for records on 1915-08-11: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).