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Built 2026-10-15 (15 October 2026)

Weather Records on 18 August 1908

21 weather records were set or tied worldwide on 18 August 1908. Highest significance: Halifax, CA.

Key Facts for 18 August 1908

  • On 18 August 1908, 21 weather records were set or tied at long-record stations worldwide.
  • 6 were record highs and 7 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 21 daily.
  • Halifax set a daily record precipitation of 27.9 mm (1.1 in) on 18 August 1908.
  • Across 170 earlier years (1797 to 2025) the same calendar date averaged 443 records.

Record Map

21 stations
Weather records on 18 August 1908 21 station records on 18 August 1908 are marked on the map, coloured by record type.
21 station records on 18 August 1908 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 August 1908: highest significance records shown on the map
StationCountryTypeValueSignificance
HalifaxCanadaRecord daily precipitation27.9 mm (1.1 in)24 of 100 (Routine)
CharlottetownCanadaRecord daily precipitation26.9 mm (1.1 in)21 of 100 (Routine)
Ringwood 2AustraliaRecord daily precipitation14.2 mm (0.6 in)15 of 100 (Routine)
Gabo Island LighthouseAustraliaRecord daily precipitation24.9 mm (1.0 in)14 of 100 (Routine)
Pointe Au PereCanadaRecord daily precipitation17.3 mm (0.7 in)14 of 100 (Routine)
Fredericton UnbCanadaRecord daily precipitation17.8 mm (0.7 in)13 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord low maximum temperature10.0 C (50.0 F)12 of 100 (Routine)
Durban-Botanical GardensSouth AfricaRecord daily precipitation12.5 mm (0.5 in)11 of 100 (Routine)
QuebecCanadaRecord daily precipitation23.9 mm (0.9 in)10 of 100 (Routine)
Portland Rfc CityUnited StatesRecord high minimum temperature18.9 C (66.0 F)10 of 100 (Routine)
Bourke Post OfficeAustraliaRecord low minimum temperature-1.1 C (30.0 F)7 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord low maximum temperature11.4 C (52.5 F)6 of 100 (Routine)
Inverell ComparisonAustraliaRecord low minimum temperature-7.5 C (18.5 F)5 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low maximum temperature15.5 C (59.9 F)4 of 100 (Routine)
TruroCanadaRecord low maximum temperature17.2 C (63.0 F)2 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord high maximum temperature35.6 C (96.1 F)2 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord high minimum temperature24.4 C (75.9 F)2 of 100 (Routine)
World Trade CtrUnited StatesRecord high minimum temperature22.2 C (72.0 F)2 of 100 (Routine)
Philadelphia CityUnited StatesRecord high minimum temperature23.3 C (73.9 F)2 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord high maximum temperature30.6 C (87.1 F)1 of 100 (Routine)
St John'sCanadaRecord low minimum temperature6.1 C (43.0 F)0 of 100 (Routine)

Counts by Type and Timescale

21 records
Records on 18 August 1908 by type Records set or tied on 18 August 1908 by type: Highest daily maximum 2, Lowest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 8. 02468Highest daily maximum: 2Lowest daily maximum: 4Highest daily minimum: 4Lowest daily minimum: 3Heaviest daily rainfall: 8Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 August 1908 by type: Highest daily maximum 2, Lowest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 8.
Records on 18 August 1908 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum4
Highest daily minimum4
Lowest daily minimum3
Heaviest daily rainfall8
Heaviest daily snowfall0
Deepest snow cover0
Records on 18 August 1908 by timescale Records on 18 August 1908 by timescale: all-time 0, monthly 0, daily 21. 0102030all-time: 0monthly: 0daily: 21all-timemonthlydaily
Records on 18 August 1908 by timescale: all-time 0, monthly 0, daily 21.
Records on 18 August 1908 by timescale
TimescaleRecords
all-time0
monthly0
daily21

How Much Records Were Beaten By

14 broken records
Histogram of margins by which records were beaten on 18 August 1908 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 18.8. Ties are not counted. 024680 to 3: 83 to 5: 45 to 8: 08 to 10: 010 to 13: 013 to 15: 015 to 18: 118 to 20: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 1818 to 20
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 18.8. Ties are not counted.
Histogram of margins by which records were beaten on 18 August 1908
MarginRecords
0 to 38
3 to 54
5 to 80
8 to 100
10 to 130
13 to 150
15 to 181
18 to 201

Top 20 by Significance

18 August 1908
Top 20 records on 18 August 1908 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 August 1908Halifax, CAdaily rain27.9 mm (1.1 in)17.0 mm (0.7 in)20 years24 of 100 (Routine)
18 August 1908Charlottetown, CAdaily rain26.9 mm (1.1 in)18.8 mm (0.7 in)1 year21 of 100 (Routine)
18 August 1908Ringwood 2, AUdaily rain14.2 mm (0.6 in)2.8 mm (0.11 in)28 years15 of 100 (Routine)
18 August 1908Gabo Island Lighthouse, AUdaily rain24.9 mm (1.0 in)3.3 mm (0.13 in)23 years14 of 100 (Routine)
18 August 1908Pointe Au Pere, CAdaily rain17.3 mm (0.7 in)4.1 mm (0.16 in)20 years14 of 100 (Routine)
18 August 1908Fredericton Unb, CAdaily rain17.8 mm (0.7 in)2.8 mm (0.11 in)28 years13 of 100 (Routine)
18 August 1908Cape Otway Lighthouse, AUdaily low max10.0 C (50.0 F)0.6 C (1.1 F)21 years12 of 100 (Routine)
18 August 1908Durban-Botanical Gardens, ZAdaily rain12.5 mm (0.5 in)0.1 mm (0.00 in)26 years11 of 100 (Routine)
18 August 1908Quebec, CAdaily rain23.9 mm (0.9 in)2.3 mm (0.09 in)16 years10 of 100 (Routine)
18 August 1908Portland Rfc City, USdaily high min18.9 C (66.0 F)1.1 C (2.0 F)10 years10 of 100 (Routine)
18 August 1908Bourke Post Office, AUdaily low min-1.1 C (30.0 F)1.1 C (2.0 F)8 years7 of 100 (Routine)
18 August 1908Wagga Wagga (Kooringal), AUdaily low max11.4 C (52.5 F)0.8 C (1.4 F)5 years6 of 100 (Routine)
18 August 1908Inverell Comparison, AUdaily low min-7.5 C (18.5 F)0.8 C (1.4 F)4 years5 of 100 (Routine)
18 August 1908Dublin Phoenix Park, IEdaily low max15.5 C (59.9 F)0.2 C (0.4 F)2 years4 of 100 (Routine)
18 August 1908Truro, CAdaily low max (Tie)17.2 C (63.0 F)tie21 years2 of 100 (Routine)
18 August 1908Montgomery Wb City, USdaily high max (Tie)35.6 C (96.1 F)tie21 years2 of 100 (Routine)
18 August 1908Montgomery Wb City, USdaily high min (Tie)24.4 C (75.9 F)tie20 years2 of 100 (Routine)
18 August 1908World Trade Ctr, USdaily high min (Tie)22.2 C (72.0 F)tie19 years2 of 100 (Routine)
18 August 1908Philadelphia City, USdaily high min (Tie)23.3 C (73.9 F)tie19 years2 of 100 (Routine)
18 August 1908Atlantic City Marina, USdaily high max (Tie)30.6 C (87.1 F)tie12 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 1908
Records on 08-18 in each year Records set or tied on this calendar date in each year from 1797 to 1908. 1908 had 21 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: 4612019: 6072020: 1,5332021: 1,1132022: 1,2322023: 1,0862024: 6972025: 4561797185618891909192719451963198119992017
Records set or tied on this calendar date in each year from 1797 to 1908. 1908 had 21 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
2018461
2019607
20201,533
20211,113
20221,232
20231,086
2024697
2025456

Download the Data

  • Data for records on 1908-08-18: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).