Daily records
Page built 2026-10-19
Data as of 2026-10-15
Search
Built 2026-10-19 (19 October 2026)

Weather Records on 15 August 1904

17 weather records were set or tied worldwide on 15 August 1904. Highest significance: Ilulissat (Jakobshavn), GL.

Key Facts for 15 August 1904

  • On 15 August 1904, 17 weather records were set or tied at long-record stations worldwide.
  • 6 were record highs and 1 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 17 daily.
  • Ilulissat (Jakobshavn) set a daily record high minimum temperature of 9.9 C (49.8 F) on 15 August 1904.
  • Across 168 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

17 stations
Weather records on 15 August 1904 17 station records on 15 August 1904 are marked on the map, coloured by record type.
17 station records on 15 August 1904 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 15 August 1904: highest significance records shown on the map
StationCountryTypeValueSignificance
Ilulissat (Jakobshavn)Greenland [Denmark]Record high minimum temperature9.9 C (49.8 F)24 of 100 (Routine)
Kurrajong Heights (Bells LineAustraliaRecord daily precipitation23.6 mm (0.9 in)19 of 100 (Routine)
Bringelly (Maryland)AustraliaRecord daily precipitation23.4 mm (0.9 in)19 of 100 (Routine)
Wollongong Post OfficeAustraliaRecord daily precipitation27.9 mm (1.1 in)18 of 100 (Routine)
LundSwedenRecord daily precipitation15.8 mm (0.6 in)18 of 100 (Routine)
WienAustriaRecord high maximum temperature33.1 C (91.6 F)17 of 100 (Routine)
Cordeaux RiverAustraliaRecord daily precipitation20.8 mm (0.8 in)16 of 100 (Routine)
HarnosandSwedenRecord daily precipitation31.9 mm (1.3 in)16 of 100 (Routine)
SydneyCanadaRecord daily precipitation18.8 mm (0.7 in)13 of 100 (Routine)
TruroCanadaRecord low maximum temperature17.8 C (64.0 F)12 of 100 (Routine)
Muswellbrook (Lower Hill St)AustraliaRecord daily precipitation6.9 mm (0.27 in)11 of 100 (Routine)
Boggabri (Ghoolendaadi)AustraliaRecord daily precipitation2.3 mm (0.09 in)10 of 100 (Routine)
SalzburgAustriaRecord high maximum temperature30.8 C (87.4 F)8 of 100 (Routine)
SalzburgAustriaRecord high minimum temperature18.1 C (64.6 F)8 of 100 (Routine)
Saint JohnCanadaRecord daily precipitation7.4 mm (0.29 in)7 of 100 (Routine)
Milwaukee Wb CityUnited StatesRecord high maximum temperature28.9 C (84.0 F)6 of 100 (Routine)
Bourke Post OfficeAustraliaRecord high maximum temperature26.7 C (80.1 F)2 of 100 (Routine)

Counts by Type and Timescale

17 records
Records on 15 August 1904 by type Records set or tied on 15 August 1904 by type: Highest daily maximum 4, Lowest daily maximum 1, Highest daily minimum 2, Heaviest daily rainfall 10. 035810Highest daily maximum: 4Lowest daily maximum: 1Highest daily minimum: 2Lowest daily minimum: 0Heaviest daily rainfall: 10Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 15 August 1904 by type: Highest daily maximum 4, Lowest daily maximum 1, Highest daily minimum 2, Heaviest daily rainfall 10.
Records on 15 August 1904 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum1
Highest daily minimum2
Lowest daily minimum0
Heaviest daily rainfall10
Heaviest daily snowfall0
Deepest snow cover0
Records on 15 August 1904 by timescale Records on 15 August 1904 by timescale: all-time 0, monthly 0, daily 17. 05101520all-time: 0monthly: 0daily: 17all-timemonthlydaily
Records on 15 August 1904 by timescale: all-time 0, monthly 0, daily 17.
Records on 15 August 1904 by timescale
TimescaleRecords
all-time0
monthly0
daily17

How Much Records Were Beaten By

16 broken records
Histogram of margins by which records were beaten on 15 August 1904 Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.0. Ties are not counted. 024680 to 3: 83 to 5: 35 to 8: 18 to 10: 010 to 13: 113 to 15: 115 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 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.0. Ties are not counted.
Histogram of margins by which records were beaten on 15 August 1904
MarginRecords
0 to 38
3 to 53
5 to 81
8 to 100
10 to 131
13 to 151
15 to 181
18 to 201

Top 20 by Significance

15 August 1904
Top 17 records on 15 August 1904 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 August 1904Ilulissat (Jakobshavn), GLdaily high min9.9 C (49.8 F)3.0 C (5.4 F)25 years24 of 100 (Routine)
15 August 1904Kurrajong Heights (Bells Line, AUdaily rain23.6 mm (0.9 in)20.0 mm (0.8 in)2 years19 of 100 (Routine)
15 August 1904Bringelly (Maryland), AUdaily rain23.4 mm (0.9 in)13.0 mm (0.5 in)16 years19 of 100 (Routine)
15 August 1904Wollongong Post Office, AUdaily rain27.9 mm (1.1 in)16.2 mm (0.6 in)16 years18 of 100 (Routine)
15 August 1904Lund, SEdaily rain15.8 mm (0.6 in)6.8 mm (0.27 in)7 years18 of 100 (Routine)
15 August 1904Wien, ATdaily high max33.1 C (91.6 F)0.3 C (0.5 F)42 years17 of 100 (Routine)
15 August 1904Cordeaux River, AUdaily rain20.8 mm (0.8 in)12.4 mm (0.5 in)16 years16 of 100 (Routine)
15 August 1904Harnosand, SEdaily rain31.9 mm (1.3 in)4.3 mm (0.17 in)29 years16 of 100 (Routine)
15 August 1904Sydney, CAdaily rain18.8 mm (0.7 in)3.3 mm (0.13 in)29 years13 of 100 (Routine)
15 August 1904Truro, CAdaily low max17.8 C (64.0 F)0.5 C (0.9 F)29 years12 of 100 (Routine)
15 August 1904Muswellbrook (Lower Hill St), AUdaily rain6.9 mm (0.27 in)1.3 mm (0.05 in)25 years11 of 100 (Routine)
15 August 1904Boggabri (Ghoolendaadi), AUdaily rain2.3 mm (0.09 in)0.3 mm (0.01 in)24 years10 of 100 (Routine)
15 August 1904Salzburg, ATdaily high max30.8 C (87.4 F)0.6 C (1.1 F)15 years8 of 100 (Routine)
15 August 1904Salzburg, ATdaily high min18.1 C (64.6 F)1.3 C (2.3 F)4 years8 of 100 (Routine)
15 August 1904Saint John, CAdaily rain7.4 mm (0.29 in)0.3 mm (0.01 in)13 years7 of 100 (Routine)
15 August 1904Milwaukee Wb City, USdaily high max28.9 C (84.0 F)0.6 C (1.1 F)7 years6 of 100 (Routine)
15 August 1904Bourke Post Office, AUdaily high max (Tie)26.7 C (80.1 F)tie18 years2 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 1904
Records on 08-15 in each year Records set or tied on this calendar date in each year from 1793 to 1904. 1904 had 17 records. 05001,0001,5002,0001793: 21802: 11805: 11812: 11821: 11838: 21839: 11841: 11844: 11845: 31852: 11854: 11856: 11858: 11861: 31867: 11868: 21869: 11873: 21875: 11876: 21877: 11878: 11879: 11880: 31881: 21882: 21883: 11884: 21885: 31886: 11887: 11888: 31890: 21891: 21892: 31893: 31895: 11896: 91897: 31898: 11899: 21900: 61901: 51902: 101903: 51904: 171905: 261906: 81907: 141908: 151909: 301910: 161911: 261912: 341913: 421914: 111915: 261916: 2231917: 321918: 231919: 221920: 591921: 551922: 861923: 1161924: 2201925: 911926: 1151927: 2231928: 2711929: 5861930: 2741931: 3511932: 3681933: 2681934: 9921935: 4141936: 8671937: 5741938: 6811939: 4501940: 3721941: 2891942: 3771943: 4261944: 6101945: 4331946: 2851947: 5591948: 3661949: 5591950: 3171951: 5971952: 5961953: 4491954: 4811955: 5391956: 3901957: 3551958: 1,0921959: 5151960: 4171961: 7041962: 1,0521963: 9721964: 1,1851965: 5351966: 3401967: 6871968: 1,0021969: 5831970: 3821971: 8991972: 6131973: 4991974: 5121975: 4901976: 1,3451977: 5501978: 8411979: 1,7881980: 7451981: 5881982: 4791983: 9551984: 6221985: 9151986: 1,2831987: 1,0981988: 1,4791989: 4951990: 7581991: 7781992: 1,6381993: 8311994: 1,0731995: 1,2981996: 9291997: 9271998: 8611999: 9562000: 9322001: 1,2542002: 1,3072003: 1,2482004: 1,4242005: 1,0672006: 9232007: 1,3172008: 9642009: 1,0382010: 1,6222011: 7702012: 6542013: 7112014: 5832015: 7592016: 7072017: 5322018: 3282019: 4352020: 1,3272021: 9002022: 6922023: 1,4142024: 7292025: 7722026: 9751793186918911909192619431960197719942011
Records set or tied on this calendar date in each year from 1793 to 1904. 1904 had 17 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-15 in each year
YearRecords
17932
18021
18051
18121
18211
18382
18391
18411
18441
18453
18521
18541
18561
18581
18613
18671
18682
18691
18732
18751
18762
18771
18781
18791
18803
18812
18822
18831
18842
18853
18861
18871
18883
18902
18912
18923
18933
18951
18969
18973
18981
18992
19006
19015
190210
19035
190417
190526
19068
190714
190815
190930
191016
191126
191234
191342
191411
191526
1916223
191732
191823
191922
192059
192155
192286
1923116
1924220
192591
1926115
1927223
1928271
1929586
1930274
1931351
1932368
1933268
1934992
1935414
1936867
1937574
1938681
1939450
1940372
1941289
1942377
1943426
1944610
1945433
1946285
1947559
1948366
1949559
1950317
1951597
1952596
1953449
1954481
1955539
1956390
1957355
19581,092
1959515
1960417
1961704
19621,052
1963972
19641,185
1965535
1966340
1967687
19681,002
1969583
1970382
1971899
1972613
1973499
1974512
1975490
19761,345
1977550
1978841
19791,788
1980745
1981588
1982479
1983955
1984622
1985915
19861,283
19871,098
19881,479
1989495
1990758
1991778
19921,638
1993831
19941,073
19951,298
1996929
1997927
1998861
1999956
2000932
20011,254
20021,307
20031,248
20041,424
20051,067
2006923
20071,317
2008964
20091,038
20101,622
2011770
2012654
2013711
2014583
2015759
2016707
2017532
2018328
2019435
20201,327
2021900
2022692
20231,414
2024729
2025772
2026975

Download the Data

  • Data for records on 1904-08-15: 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).