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Built 2026-10-19 (19 October 2026)

Weather Records on 12 August 1915

46 weather records were set or tied worldwide on 12 August 1915. Highest significance: Milan, IT.

Key Facts for 12 August 1915

  • On 12 August 1915, 46 weather records were set or tied at long-record stations worldwide.
  • 5 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 46 daily.
  • Milan set a daily record precipitation of 38.9 mm (1.5 in) on 12 August 1915.
  • Across 166 earlier years (1793 to 2026) the same calendar date averaged 450 records.

Record Map

46 stations
Weather records on 12 August 1915 46 station records on 12 August 1915 are marked on the map, coloured by record type.
46 station records on 12 August 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 12 August 1915: highest significance records shown on the map
StationCountryTypeValueSignificance
MilanItalyRecord daily precipitation38.9 mm (1.5 in)35 of 100 (Notable)
PesaroItalyRecord daily precipitation57.5 mm (2.3 in)32 of 100 (Routine)
Foster (Post Office)AustraliaRecord daily precipitation40.6 mm (1.6 in)30 of 100 (Routine)
Windsor RiversideCanadaRecord daily precipitation30.7 mm (1.2 in)24 of 100 (Routine)
Hawkesdale (Post Office)AustraliaRecord daily precipitation20.8 mm (0.8 in)20 of 100 (Routine)
Penshurst (Post Office)AustraliaRecord daily precipitation21.1 mm (0.8 in)20 of 100 (Routine)
CowesAustraliaRecord daily precipitation22.9 mm (0.9 in)20 of 100 (Routine)
Rokewood (the Meadows)AustraliaRecord daily precipitation19.3 mm (0.8 in)20 of 100 (Routine)
MortlakeAustraliaRecord daily precipitation20.8 mm (0.8 in)20 of 100 (Routine)
Mount ButeAustraliaRecord daily precipitation19.6 mm (0.8 in)20 of 100 (Routine)
Coranderrk Badger WeirAustraliaRecord daily precipitation19.6 mm (0.8 in)20 of 100 (Routine)
BallanAustraliaRecord daily precipitation14.2 mm (0.6 in)20 of 100 (Routine)
Wilsons Promontory LighthouseAustraliaRecord daily precipitation29.5 mm (1.2 in)20 of 100 (Routine)
BerrybankAustraliaRecord daily precipitation13.2 mm (0.5 in)20 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord daily precipitation45.0 mm (1.8 in)20 of 100 (Routine)
WickliffeAustraliaRecord daily precipitation15.0 mm (0.6 in)19 of 100 (Routine)
SouthamptonCanadaRecord daily precipitation23.4 mm (0.9 in)19 of 100 (Routine)
HamiltonAustraliaRecord daily precipitation14.0 mm (0.6 in)17 of 100 (Routine)
Port ArthurCanadaRecord high maximum temperature31.7 C (89.1 F)17 of 100 (Routine)
Beales ReservoirAustraliaRecord daily precipitation25.9 mm (1.0 in)16 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord daily precipitation19.1 mm (0.8 in)16 of 100 (Routine)
HalifaxCanadaRecord high maximum temperature30.0 C (86.0 F)16 of 100 (Routine)
GeorgetownCanadaRecord daily precipitation24.1 mm (0.9 in)15 of 100 (Routine)
BlackwoodAustraliaRecord daily precipitation16.0 mm (0.6 in)14 of 100 (Routine)
Coleraine (Wondo Dale)AustraliaRecord daily precipitation10.9 mm (0.4 in)14 of 100 (Routine)
LindsayCanadaRecord daily precipitation13.2 mm (0.5 in)14 of 100 (Routine)
WarrangongAustraliaRecord daily precipitation7.9 mm (0.31 in)13 of 100 (Routine)
ParisCanadaRecord daily precipitation23.4 mm (0.9 in)13 of 100 (Routine)
KerangAustraliaRecord daily precipitation5.3 mm (0.21 in)12 of 100 (Routine)
Parry SoundCanadaRecord daily precipitation24.1 mm (0.9 in)12 of 100 (Routine)
LancefieldAustraliaRecord daily precipitation7.1 mm (0.28 in)11 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord high maximum temperature32.8 C (91.0 F)11 of 100 (Routine)
KanivaAustraliaRecord daily precipitation10.4 mm (0.4 in)10 of 100 (Routine)
Glenthompson (Brie Brie)AustraliaRecord daily precipitation12.7 mm (0.5 in)10 of 100 (Routine)
Minimay (Booroopki)AustraliaRecord daily precipitation10.9 mm (0.4 in)9 of 100 (Routine)
WalhallaAustraliaRecord daily precipitation12.7 mm (0.5 in)9 of 100 (Routine)
Greenville Dwtn APUnited StatesRecord daily precipitation28.2 mm (1.1 in)9 of 100 (Routine)
Concordia ASOSUnited StatesRecord daily precipitation8.6 mm (0.34 in)9 of 100 (Routine)
Nariel Creek (Simpson)AustraliaRecord daily precipitation34.8 mm (1.4 in)8 of 100 (Routine)
Stony MountainCanadaRecord high maximum temperature35.6 C (96.1 F)7 of 100 (Routine)
AuroraCanadaRecord daily precipitation22.1 mm (0.9 in)7 of 100 (Routine)
RosedaleAustraliaRecord daily precipitation16.3 mm (0.6 in)6 of 100 (Routine)
Kinglake West (Wallaby Creek)AustraliaRecord daily precipitation23.9 mm (0.9 in)6 of 100 (Routine)
Port AlbertAustraliaRecord daily precipitation13.0 mm (0.5 in)5 of 100 (Routine)
Cundare SouthAustraliaRecord daily precipitation11.4 mm (0.4 in)2 of 100 (Routine)
Port ArthurCanadaRecord high minimum temperature13.9 C (57.0 F)1 of 100 (Routine)

Counts by Type and Timescale

46 records
Records on 12 August 1915 by type Records set or tied on 12 August 1915 by type: Highest daily maximum 4, Highest daily minimum 1, Heaviest daily rainfall 41. 0204060Highest daily maximum: 4Lowest daily maximum: 0Highest daily minimum: 1Lowest daily minimum: 0Heaviest daily rainfall: 41Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 12 August 1915 by type: Highest daily maximum 4, Highest daily minimum 1, Heaviest daily rainfall 41.
Records on 12 August 1915 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum0
Highest daily minimum1
Lowest daily minimum0
Heaviest daily rainfall41
Heaviest daily snowfall0
Deepest snow cover0
Records on 12 August 1915 by timescale Records on 12 August 1915 by timescale: all-time 0, monthly 0, daily 46. 0204060all-time: 0monthly: 0daily: 46all-timemonthlydaily
Records on 12 August 1915 by timescale: all-time 0, monthly 0, daily 46.
Records on 12 August 1915 by timescale
TimescaleRecords
all-time0
monthly0
daily46

How Much Records Were Beaten By

44 broken records
Histogram of margins by which records were beaten on 12 August 1915 Margins by which the 44 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 21.9. Ties are not counted. 01020300 to 5: 255 to 10: 1010 to 15: 515 to 20: 320 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 44 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 21.9. Ties are not counted.
Histogram of margins by which records were beaten on 12 August 1915
MarginRecords
0 to 525
5 to 1010
10 to 155
15 to 203
20 to 251

Top 20 by Significance

12 August 1915
Top 20 records on 12 August 1915 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
12 August 1915Milan, ITdaily rain38.9 mm (1.5 in)21.9 mm (0.9 in)54 years35 of 100 (Notable)
12 August 1915Pesaro, ITdaily rain57.5 mm (2.3 in)18.7 mm (0.7 in)43 years32 of 100 (Routine)
12 August 1915Foster (Post Office), AUdaily rain40.6 mm (1.6 in)14.7 mm (0.6 in)29 years30 of 100 (Routine)
12 August 1915Windsor Riverside, CAdaily rain30.7 mm (1.2 in)15.7 mm (0.6 in)18 years24 of 100 (Routine)
12 August 1915Hawkesdale (Post Office), AUdaily rain20.8 mm (0.8 in)16.5 mm (0.6 in)13 years20 of 100 (Routine)
12 August 1915Penshurst (Post Office), AUdaily rain21.1 mm (0.8 in)14.7 mm (0.6 in)22 years20 of 100 (Routine)
12 August 1915Cowes, AUdaily rain22.9 mm (0.9 in)12.2 mm (0.5 in)31 years20 of 100 (Routine)
12 August 1915Rokewood (the Meadows), AUdaily rain19.3 mm (0.8 in)10.2 mm (0.4 in)10 years20 of 100 (Routine)
12 August 1915Mortlake, AUdaily rain20.8 mm (0.8 in)11.4 mm (0.4 in)22 years20 of 100 (Routine)
12 August 1915Mount Bute, AUdaily rain19.6 mm (0.8 in)9.4 mm (0.37 in)17 years20 of 100 (Routine)
12 August 1915Coranderrk Badger Weir, AUdaily rain19.6 mm (0.8 in)8.7 mm (0.34 in)25 years20 of 100 (Routine)
12 August 1915Ballan, AUdaily rain14.2 mm (0.6 in)4.8 mm (0.19 in)39 years20 of 100 (Routine)
12 August 1915Wilsons Promontory Lighthouse, AUdaily rain29.5 mm (1.2 in)6.1 mm (0.24 in)28 years20 of 100 (Routine)
12 August 1915Berrybank, AUdaily rain13.2 mm (0.5 in)6.3 mm (0.25 in)12 years20 of 100 (Routine)
12 August 1915Baltimore Customs House, USdaily rain45.0 mm (1.8 in)7.2 mm (0.28 in)39 years20 of 100 (Routine)
12 August 1915Wickliffe, AUdaily rain15.0 mm (0.6 in)5.1 mm (0.20 in)17 years19 of 100 (Routine)
12 August 1915Southampton, CAdaily rain23.4 mm (0.9 in)5.6 mm (0.22 in)31 years19 of 100 (Routine)
12 August 1915Hamilton, AUdaily rain14.0 mm (0.6 in)2.8 mm (0.11 in)28 years17 of 100 (Routine)
12 August 1915Port Arthur, CAdaily high max31.7 C (89.1 F)2.8 C (5.0 F)20 years17 of 100 (Routine)
12 August 1915Beales Reservoir, AUdaily rain25.9 mm (1.0 in)3.0 mm (0.12 in)31 years16 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 08-12 in each year Records set or tied on this calendar date in each year from 1793 to 1915. 1915 had 46 records. 05001,0001,5002,0001793: 11796: 11811: 21814: 11815: 11825: 11843: 11851: 11854: 11855: 21856: 11861: 11864: 31865: 11867: 11868: 11871: 21872: 11873: 11874: 21875: 31876: 21879: 11881: 21883: 11884: 11885: 11887: 21888: 21889: 41890: 41891: 41892: 21893: 11894: 11895: 61896: 21897: 41898: 11899: 101900: 11901: 51902: 91903: 141904: 131905: 161906: 81907: 81908: 311909: 421910: 161911: 331912: 401913: 391914: 261915: 461916: 311917: 1341918: 371919: 421920: 261921: 1741922: 711923: 891924: 2671925: 1501926: 1541927: 1451928: 1731929: 2761930: 5011931: 7081932: 4181933: 2711934: 4711935: 4081936: 5911937: 3561938: 2371939: 2821940: 5451941: 4811942: 2571943: 5231944: 5951945: 2951946: 6551947: 7291948: 3841949: 4691950: 4421951: 3571952: 5331953: 2271954: 9691955: 5901956: 2651957: 3841958: 4061959: 3881960: 7071961: 3811962: 4661963: 5591964: 1,3461965: 9771966: 7771967: 1,1351968: 4441969: 6291970: 4221971: 4861972: 4731973: 4421974: 5601975: 5931976: 4951977: 7471978: 5711979: 1,1921980: 6921981: 6651982: 7891983: 9231984: 6651985: 9351986: 6151987: 9351988: 1,5181989: 8271990: 7271991: 7261992: 1,1341993: 9361994: 8611995: 1,6541996: 1,3361997: 1,3631998: 1,2151999: 1,3252000: 7412001: 8552002: 1,3452003: 1,7522004: 1,8722005: 1,0852006: 8742007: 1,2092008: 9702009: 8142010: 1,9072011: 9032012: 9102013: 4272014: 7872015: 7572016: 1,2902017: 5332018: 5712019: 6952020: 7302021: 9802022: 6162023: 7792024: 6592025: 6392026: 8491793187218941911192819451962197919962013
Records set or tied on this calendar date in each year from 1793 to 1915. 1915 had 46 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-12 in each year
YearRecords
17931
17961
18112
18141
18151
18251
18431
18511
18541
18552
18561
18611
18643
18651
18671
18681
18712
18721
18731
18742
18753
18762
18791
18812
18831
18841
18851
18872
18882
18894
18904
18914
18922
18931
18941
18956
18962
18974
18981
189910
19001
19015
19029
190314
190413
190516
19068
19078
190831
190942
191016
191133
191240
191339
191426
191546
191631
1917134
191837
191942
192026
1921174
192271
192389
1924267
1925150
1926154
1927145
1928173
1929276
1930501
1931708
1932418
1933271
1934471
1935408
1936591
1937356
1938237
1939282
1940545
1941481
1942257
1943523
1944595
1945295
1946655
1947729
1948384
1949469
1950442
1951357
1952533
1953227
1954969
1955590
1956265
1957384
1958406
1959388
1960707
1961381
1962466
1963559
19641,346
1965977
1966777
19671,135
1968444
1969629
1970422
1971486
1972473
1973442
1974560
1975593
1976495
1977747
1978571
19791,192
1980692
1981665
1982789
1983923
1984665
1985935
1986615
1987935
19881,518
1989827
1990727
1991726
19921,134
1993936
1994861
19951,654
19961,336
19971,363
19981,215
19991,325
2000741
2001855
20021,345
20031,752
20041,872
20051,085
2006874
20071,209
2008970
2009814
20101,907
2011903
2012910
2013427
2014787
2015757
20161,290
2017533
2018571
2019695
2020730
2021980
2022616
2023779
2024659
2025639
2026849

Download the Data

  • Data for records on 1915-08-12: 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).