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Built 2026-10-19 (19 October 2026)

Weather Records on 11 August 1918

29 weather records were set or tied worldwide on 11 August 1918. Highest significance: Lugansk, UA.

Key Facts for 11 August 1918

  • On 11 August 1918, 29 weather records were set or tied at long-record stations worldwide.
  • 8 were record highs and 11 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 29 daily.
  • Lugansk set a daily record precipitation of 41.9 mm (1.6 in) on 11 August 1918.
  • Across 161 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

29 stations
Weather records on 11 August 1918 29 station records on 11 August 1918 are marked on the map, coloured by record type.
29 station records on 11 August 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 11 August 1918: highest significance records shown on the map
StationCountryTypeValueSignificance
LuganskUkraineRecord daily precipitation41.9 mm (1.6 in)41 of 100 (Notable)
HamiltonCanadaRecord high maximum temperature36.7 C (98.1 F)27 of 100 (Routine)
Lock #4United StatesRecord daily precipitation39.4 mm (1.6 in)24 of 100 (Routine)
Toledo BladeUnited StatesRecord high maximum temperature36.1 C (97.0 F)22 of 100 (Routine)
WellandCanadaRecord daily precipitation23.1 mm (0.9 in)20 of 100 (Routine)
EkaterinburgRussiaRecord low minimum temperature2.2 C (36.0 F)19 of 100 (Routine)
KarlsruheGermanyRecord low minimum temperature9.0 C (48.2 F)18 of 100 (Routine)
Stornoway AirportUnited KingdomRecord high minimum temperature13.9 C (57.0 F)17 of 100 (Routine)
NekarbooAustraliaRecord daily precipitation13.2 mm (0.5 in)16 of 100 (Routine)
Coolamon Post OfficeAustraliaRecord daily precipitation14.0 mm (0.6 in)15 of 100 (Routine)
London SouthCanadaRecord high maximum temperature34.4 C (93.9 F)14 of 100 (Routine)
Setauket StrongUnited StatesRecord low maximum temperature20.0 C (68.0 F)14 of 100 (Routine)
ChathamCanadaRecord low minimum temperature8.3 C (46.9 F)13 of 100 (Routine)
Bonang (Goomgerah)AustraliaRecord daily precipitation12.7 mm (0.5 in)11 of 100 (Routine)
FreiburgGermanyRecord low minimum temperature8.7 C (47.7 F)11 of 100 (Routine)
Rowlesburg 1United StatesRecord daily precipitation22.9 mm (0.9 in)11 of 100 (Routine)
HvarCroatiaRecord low maximum temperature24.4 C (75.9 F)10 of 100 (Routine)
Qu'appelleCanadaRecord daily precipitation13.7 mm (0.5 in)8 of 100 (Routine)
ZametchinoRussiaRecord low minimum temperature4.6 C (40.3 F)7 of 100 (Routine)
Lexington Bluegrass APUnited StatesRecord high minimum temperature23.9 C (75.0 F)7 of 100 (Routine)
Malin HeadIrelandRecord daily precipitation17.1 mm (0.7 in)4 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord low minimum temperature20.6 C (69.1 F)3 of 100 (Routine)
StratfordCanadaRecord high maximum temperature32.2 C (90.0 F)2 of 100 (Routine)
KievUkraineRecord low maximum temperature15.8 C (60.4 F)2 of 100 (Routine)
PortlandUnited StatesRecord low maximum temperature15.0 C (59.0 F)2 of 100 (Routine)
Concordia ASOSUnited StatesRecord high maximum temperature38.9 C (102.0 F)2 of 100 (Routine)
GrenfellCanadaRecord daily precipitation12.7 mm (0.5 in)1 of 100 (Routine)
St AlbansCanadaRecord low minimum temperature2.8 C (37.0 F)1 of 100 (Routine)
Morris W Cntrl Rsch & OutreachUnited StatesRecord high maximum temperature32.2 C (90.0 F)1 of 100 (Routine)

Counts by Type and Timescale

29 records
Records on 11 August 1918 by type Records set or tied on 11 August 1918 by type: Highest daily maximum 6, Lowest daily maximum 4, Highest daily minimum 2, Lowest daily minimum 7, Heaviest daily rainfall 10. 035810Highest daily maximum: 6Lowest daily maximum: 4Highest daily minimum: 2Lowest daily minimum: 7Heaviest daily rainfall: 10Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 11 August 1918 by type: Highest daily maximum 6, Lowest daily maximum 4, Highest daily minimum 2, Lowest daily minimum 7, Heaviest daily rainfall 10.
Records on 11 August 1918 by type
Record typeRecords
Highest daily maximum6
Lowest daily maximum4
Highest daily minimum2
Lowest daily minimum7
Heaviest daily rainfall10
Heaviest daily snowfall0
Deepest snow cover0
Records on 11 August 1918 by timescale Records on 11 August 1918 by timescale: all-time 0, monthly 0, daily 29. 0102030all-time: 0monthly: 0daily: 29all-timemonthlydaily
Records on 11 August 1918 by timescale: all-time 0, monthly 0, daily 29.
Records on 11 August 1918 by timescale
TimescaleRecords
all-time0
monthly0
daily29

How Much Records Were Beaten By

21 broken records
Histogram of margins by which records were beaten on 11 August 1918 Margins by which the 21 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.3. Ties are not counted. 0510150 to 5: 155 to 10: 210 to 15: 115 to 20: 220 to 25: 025 to 30: 030 to 35: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 35
Margins by which the 21 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.3. Ties are not counted.
Histogram of margins by which records were beaten on 11 August 1918
MarginRecords
0 to 515
5 to 102
10 to 151
15 to 202
20 to 250
25 to 300
30 to 351

Top 20 by Significance

11 August 1918
Top 20 records on 11 August 1918 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
11 August 1918Lugansk, UAdaily rain41.9 mm (1.6 in)30.3 mm (1.2 in)28 years41 of 100 (Notable)
11 August 1918Hamilton, CAdaily high max36.7 C (98.1 F)4.5 C (8.1 F)41 years27 of 100 (Routine)
11 August 1918Lock #4, USdaily rain39.4 mm (1.6 in)17.8 mm (0.7 in)16 years24 of 100 (Routine)
11 August 1918Toledo Blade, USdaily high max36.1 C (97.0 F)2.2 C (4.0 F)43 years22 of 100 (Routine)
11 August 1918Welland, CAdaily rain23.1 mm (0.9 in)15.2 mm (0.6 in)25 years20 of 100 (Routine)
11 August 1918Ekaterinburg, RUdaily low min2.2 C (36.0 F)2.9 C (5.2 F)27 years19 of 100 (Routine)
11 August 1918Karlsruhe, DEdaily low min9.0 C (48.2 F)1.0 C (1.8 F)38 years18 of 100 (Routine)
11 August 1918Stornoway Airport, GBdaily high min13.9 C (57.0 F)0.6 C (1.1 F)37 years17 of 100 (Routine)
11 August 1918Nekarboo, AUdaily rain13.2 mm (0.5 in)10.7 mm (0.4 in)0 years16 of 100 (Routine)
11 August 1918Coolamon Post Office, AUdaily rain14.0 mm (0.6 in)2.3 mm (0.09 in)26 years15 of 100 (Routine)
11 August 1918London South, CAdaily high max34.4 C (93.9 F)1.6 C (2.9 F)24 years14 of 100 (Routine)
11 August 1918Setauket Strong, USdaily low max20.0 C (68.0 F)1.1 C (2.0 F)27 years14 of 100 (Routine)
11 August 1918Chatham, CAdaily low min8.3 C (46.9 F)0.6 C (1.1 F)29 years13 of 100 (Routine)
11 August 1918Bonang (Goomgerah), AUdaily rain12.7 mm (0.5 in)6.3 mm (0.25 in)12 years11 of 100 (Routine)
11 August 1918Freiburg, DEdaily low min8.7 C (47.7 F)0.4 C (0.7 F)25 years11 of 100 (Routine)
11 August 1918Rowlesburg 1, USdaily rain22.9 mm (0.9 in)7.7 mm (0.30 in)4 years11 of 100 (Routine)
11 August 1918Hvar, HRdaily low max24.4 C (75.9 F)0.4 C (0.7 F)19 years10 of 100 (Routine)
11 August 1918Qu'appelle, CAdaily rain13.7 mm (0.5 in)2.0 mm (0.08 in)8 years8 of 100 (Routine)
11 August 1918Zametchino, RUdaily low min4.6 C (40.3 F)1.4 C (2.5 F)1 year7 of 100 (Routine)
11 August 1918Lexington Bluegrass AP, USdaily high min23.9 C (75.0 F)0.6 C (1.1 F)4 years7 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 1918
Records on 08-11 in each year Records set or tied on this calendar date in each year from 1793 to 1918. 1918 had 29 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 1918. 1918 had 29 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 1918-08-11: 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).