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Built 2026-10-19 (19 October 2026)

Weather Records on 18 August 1910

16 weather records were set or tied worldwide on 18 August 1910. Highest significance: Gravenhurst, CA.

Key Facts for 18 August 1910

  • On 18 August 1910, 16 weather records were set or tied at long-record stations worldwide.
  • 5 were record highs and 2 were record lows, counting maximum and minimum temperature.
  • By timescale, 1 were all-time records, 0 monthly and 15 daily.
  • Gravenhurst set a daily record precipitation of 48.3 mm (1.9 in) on 18 August 1910.
  • Across 171 earlier years (1797 to 2026) the same calendar date averaged 443 records.

Record Map

16 stations
Weather records on 18 August 1910 16 station records on 18 August 1910 are marked on the map, coloured by record type.
16 station records on 18 August 1910 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 August 1910: highest significance records shown on the map
StationCountryTypeValueSignificance
GravenhurstCanadaRecord daily precipitation48.3 mm (1.9 in)43 of 100 (Notable)
LindsayCanadaRecord daily precipitation96.5 mm (3.8 in)33 of 100 (Routine)
Toledo BladeUnited StatesRecord daily precipitation29.5 mm (1.2 in)22 of 100 (Routine)
PoplitahAustraliaRecord daily precipitation10.2 mm (0.4 in)20 of 100 (Routine)
Kingston Queens UCanadaRecord daily precipitation26.4 mm (1.0 in)19 of 100 (Routine)
Walgett Council DepotAustraliaRecord high maximum temperature28.3 C (82.9 F)18 of 100 (Routine)
Dubuque RiverUnited StatesRecord daily precipitation23.1 mm (0.9 in)15 of 100 (Routine)
Owen SoundCanadaRecord daily precipitation16.5 mm (0.6 in)14 of 100 (Routine)
Owen SoundCanadaRecord high minimum temperature19.4 C (66.9 F)13 of 100 (Routine)
Port StanleyCanadaRecord high minimum temperature19.4 C (66.9 F)11 of 100 (Routine)
GysingeSwedenRecord daily precipitation15.0 mm (0.6 in)10 of 100 (Routine)
PeterboroughCanadaRecord low maximum temperature16.7 C (62.1 F)8 of 100 (Routine)
Anticosti SW PointCanadaRecord high maximum temperature23.3 C (73.9 F)7 of 100 (Routine)
Koebenhavn - Meteorologisk InsDenmarkRecord daily precipitation4.3 mm (0.17 in)4 of 100 (Routine)
TorontoCanadaRecord high minimum temperature19.4 C (66.9 F)2 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low maximum temperature25.0 C (77.0 F)1 of 100 (Routine)

Counts by Type and Timescale

16 records
Records on 18 August 1910 by type Records set or tied on 18 August 1910 by type: Highest daily maximum 2, Lowest daily maximum 2, Highest daily minimum 3, Heaviest daily rainfall 9. 035810Highest daily maximum: 2Lowest daily maximum: 2Highest daily minimum: 3Lowest daily minimum: 0Heaviest daily rainfall: 9Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 August 1910 by type: Highest daily maximum 2, Lowest daily maximum 2, Highest daily minimum 3, Heaviest daily rainfall 9.
Records on 18 August 1910 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum2
Highest daily minimum3
Lowest daily minimum0
Heaviest daily rainfall9
Heaviest daily snowfall0
Deepest snow cover0
Records on 18 August 1910 by timescale Records on 18 August 1910 by timescale: all-time 1, monthly 0, daily 15. 051015all-time: 1monthly: 0daily: 15all-timemonthlydaily
Records on 18 August 1910 by timescale: all-time 1, monthly 0, daily 15.
Records on 18 August 1910 by timescale
TimescaleRecords
all-time1
monthly0
daily15

How Much Records Were Beaten By

14 broken records
Histogram of margins by which records were beaten on 18 August 1910 Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.8. Ties are not counted. 024680 to 5: 75 to 10: 410 to 15: 215 to 20: 020 to 25: 025 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.8. Ties are not counted.
Histogram of margins by which records were beaten on 18 August 1910
MarginRecords
0 to 57
5 to 104
10 to 152
15 to 200
20 to 250
25 to 301

Top 20 by Significance

18 August 1910
Top 16 records on 18 August 1910 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 August 1910Gravenhurst, CAdaily rain48.3 mm (1.9 in)29.8 mm (1.2 in)33 years43 of 100 (Notable)
18 August 1910Lindsay, CAall-time rain96.5 mm (3.8 in)8.1 mm (0.32 in)13 years33 of 100 (Routine)
18 August 1910Toledo Blade, USdaily rain29.5 mm (1.2 in)11.7 mm (0.5 in)28 years22 of 100 (Routine)
18 August 1910Poplitah, AUdaily rain10.2 mm (0.4 in)9.4 mm (0.37 in)29 years20 of 100 (Routine)
18 August 1910Kingston Queens U, CAdaily rain26.4 mm (1.0 in)13.7 mm (0.5 in)22 years19 of 100 (Routine)
18 August 1910Walgett Council Depot, AUdaily high max28.3 C (82.9 F)3.3 C (5.9 F)25 years18 of 100 (Routine)
18 August 1910Dubuque River, USdaily rain23.1 mm (0.9 in)6.3 mm (0.25 in)25 years15 of 100 (Routine)
18 August 1910Owen Sound, CAdaily rain16.5 mm (0.6 in)8.9 mm (0.35 in)15 years14 of 100 (Routine)
18 August 1910Owen Sound, CAdaily high min19.4 C (66.9 F)1.1 C (2.0 F)29 years13 of 100 (Routine)
18 August 1910Port Stanley, CAdaily high min19.4 C (66.9 F)0.5 C (0.9 F)24 years11 of 100 (Routine)
18 August 1910Gysinge, SEdaily rain15.0 mm (0.6 in)0.4 mm (0.02 in)24 years10 of 100 (Routine)
18 August 1910Peterborough, CAdaily low max16.7 C (62.1 F)1.1 C (2.0 F)8 years8 of 100 (Routine)
18 August 1910Anticosti SW Point, CAdaily high max23.3 C (73.9 F)1.1 C (2.0 F)0 years7 of 100 (Routine)
18 August 1910Koebenhavn - Meteorologisk Ins, DKdaily rain4.3 mm (0.17 in)0.9 mm (0.04 in)0 years4 of 100 (Routine)
18 August 1910Toronto, CAdaily high min (Tie)19.4 C (66.9 F)tie4 years2 of 100 (Routine)
18 August 1910Oran-Hopital Militaire, DZdaily low max (Tie)25.0 C (77.0 F)tie3 years1 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

1797 to 1910
Records on 08-18 in each year Records set or tied on this calendar date in each year from 1797 to 1910. 1910 had 16 records. 05001,0001,5002,0001797: 21805: 11816: 11827: 11829: 11830: 11833: 11841: 11844: 11845: 31846: 11847: 11849: 11851: 11852: 11853: 11854: 21855: 11856: 11861: 11864: 21866: 11868: 21869: 11870: 21872: 11873: 11875: 31876: 11878: 11879: 21883: 31885: 31886: 31887: 31888: 21889: 11890: 11891: 21892: 61893: 41894: 41895: 11898: 41899: 61900: 21901: 101902: 81903: 61904: 81905: 101906: 401907: 71908: 211909: 241910: 161911: 111912: 211913: 431914: 371915: 601916: 711917: 701918: 531919: 341920: 511921: 391922: 1291923: 901924: 2251925: 3001926: 1681927: 2691928: 1411929: 1811930: 1501931: 2411932: 3821933: 4311934: 6381935: 4241936: 7661937: 3081938: 2431939: 3811940: 4341941: 4671942: 3331943: 7381944: 3251945: 4001946: 4161947: 9581948: 3151949: 3931950: 6831951: 3551952: 4051953: 3231954: 6221955: 7951956: 5801957: 3801958: 5801959: 5371960: 5991961: 4151962: 4281963: 7601964: 4431965: 5251966: 5731967: 6231968: 7951969: 5301970: 5971971: 3811972: 4931973: 7341974: 6391975: 8441976: 9171977: 1,1121978: 8541979: 1,3091980: 7711981: 1,3861982: 5631983: 1,4201984: 6001985: 7651986: 8611987: 1,6091988: 1,3511989: 9521990: 9201991: 5331992: 1,4971993: 7061994: 1,0271995: 1,8821996: 7601997: 1,1911998: 9231999: 8882000: 1,1832001: 1,0362002: 1,3062003: 8602004: 1,0502005: 8652006: 8422007: 1,1162008: 1,2652009: 8392010: 1,1672011: 1,2392012: 1,2472013: 7522014: 7512015: 8802016: 7042017: 5652018: 4622019: 6152020: 1,5412021: 1,1182022: 1,2372023: 1,0942024: 6962025: 4552026: 5451797185618891909192719451963198119992017
Records set or tied on this calendar date in each year from 1797 to 1910. 1910 had 16 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-18 in each year
YearRecords
17972
18051
18161
18271
18291
18301
18331
18411
18441
18453
18461
18471
18491
18511
18521
18531
18542
18551
18561
18611
18642
18661
18682
18691
18702
18721
18731
18753
18761
18781
18792
18833
18853
18863
18873
18882
18891
18901
18912
18926
18934
18944
18951
18984
18996
19002
190110
19028
19036
19048
190510
190640
19077
190821
190924
191016
191111
191221
191343
191437
191560
191671
191770
191853
191934
192051
192139
1922129
192390
1924225
1925300
1926168
1927269
1928141
1929181
1930150
1931241
1932382
1933431
1934638
1935424
1936766
1937308
1938243
1939381
1940434
1941467
1942333
1943738
1944325
1945400
1946416
1947958
1948315
1949393
1950683
1951355
1952405
1953323
1954622
1955795
1956580
1957380
1958580
1959537
1960599
1961415
1962428
1963760
1964443
1965525
1966573
1967623
1968795
1969530
1970597
1971381
1972493
1973734
1974639
1975844
1976917
19771,112
1978854
19791,309
1980771
19811,386
1982563
19831,420
1984600
1985765
1986861
19871,609
19881,351
1989952
1990920
1991533
19921,497
1993706
19941,027
19951,882
1996760
19971,191
1998923
1999888
20001,183
20011,036
20021,306
2003860
20041,050
2005865
2006842
20071,116
20081,265
2009839
20101,167
20111,239
20121,247
2013752
2014751
2015880
2016704
2017565
2018462
2019615
20201,541
20211,118
20221,237
20231,094
2024696
2025455
2026545

Download the Data

  • Data for records on 1910-08-18: 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).