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Built 2026-10-19 (19 October 2026)

Weather Records on 25 August 1918

37 weather records were set or tied worldwide on 25 August 1918. Highest significance: Ocean Grove, AU.

Key Facts for 25 August 1918

  • On 25 August 1918, 37 weather records were set or tied at long-record stations worldwide.
  • 12 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 36 daily.
  • Ocean Grove set a daily record precipitation of 25.1 mm (1.0 in) on 25 August 1918.
  • Across 168 earlier years (1796 to 2026) the same calendar date averaged 440 records.

Record Map

37 stations
Weather records on 25 August 1918 37 station records on 25 August 1918 are marked on the map, coloured by record type.
37 station records on 25 August 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 25 August 1918: highest significance records shown on the map
StationCountryTypeValueSignificance
Ocean GroveAustraliaRecord daily precipitation25.1 mm (1.0 in)25 of 100 (Routine)
ColdwaterCanadaRecord high minimum temperature21.7 C (71.1 F)21 of 100 (Routine)
MeltonAustraliaRecord daily precipitation24.9 mm (1.0 in)20 of 100 (Routine)
Bad MuskauGermanyRecord daily precipitation19.2 mm (0.8 in)20 of 100 (Routine)
MorningtonAustraliaRecord daily precipitation16.5 mm (0.6 in)20 of 100 (Routine)
Murrumbeena Leeds GroveAustraliaRecord daily precipitation9.1 mm (0.36 in)19 of 100 (Routine)
Port ArthurCanadaRecord high maximum temperature30.6 C (87.1 F)19 of 100 (Routine)
Hillview (Ballandry)AustraliaRecord daily precipitation10.7 mm (0.4 in)17 of 100 (Routine)
LakefieldCanadaRecord high maximum temperature32.2 C (90.0 F)17 of 100 (Routine)
CornallaAustraliaRecord daily precipitation4.8 mm (0.19 in)15 of 100 (Routine)
Valencia Creek (Bulgar Park)AustraliaRecord daily precipitation16.5 mm (0.6 in)15 of 100 (Routine)
Milwaukee Wb CityUnited StatesRecord high maximum temperature32.2 C (90.0 F)15 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord daily precipitation6.6 mm (0.26 in)14 of 100 (Routine)
KoobaAustraliaRecord daily precipitation7.6 mm (0.30 in)13 of 100 (Routine)
DromanaAustraliaRecord daily precipitation12.2 mm (0.5 in)12 of 100 (Routine)
LilydaleAustraliaRecord daily precipitation8.1 mm (0.32 in)12 of 100 (Routine)
GreensboroughAustraliaRecord daily precipitation4.6 mm (0.18 in)12 of 100 (Routine)
YarmouthCanadaRecord high maximum temperature24.4 C (75.9 F)11 of 100 (Routine)
Barellan Post OfficeAustraliaRecord daily precipitation5.3 mm (0.21 in)10 of 100 (Routine)
RosedaleAustraliaRecord daily precipitation9.7 mm (0.38 in)10 of 100 (Routine)
StratfordAustraliaRecord daily precipitation8.9 mm (0.35 in)10 of 100 (Routine)
Wandin (Yallock)AustraliaRecord daily precipitation11.9 mm (0.5 in)10 of 100 (Routine)
Caulfield (Racecourse)AustraliaRecord daily precipitation8.9 mm (0.35 in)8 of 100 (Routine)
RoermondNetherlandsRecord daily precipitation14.6 mm (0.6 in)8 of 100 (Routine)
KirovRussiaRecord daily precipitation8.6 mm (0.34 in)8 of 100 (Routine)
Belle IsleCanadaRecord low minimum temperature1.7 C (35.1 F)6 of 100 (Routine)
Maffra Shire HallAustraliaRecord daily precipitation7.6 mm (0.30 in)5 of 100 (Routine)
World Trade CtrUnited StatesRecord high minimum temperature22.2 C (72.0 F)4 of 100 (Routine)
Philadelphia CityUnited StatesRecord high minimum temperature22.8 C (73.0 F)4 of 100 (Routine)
TbilisiGeorgiaRecord low minimum temperature10.6 C (51.1 F)3 of 100 (Routine)
FalunSwedenRecord daily precipitation15.2 mm (0.6 in)3 of 100 (Routine)
San Diego WboUnited StatesRecord high minimum temperature19.4 C (66.9 F)3 of 100 (Routine)
Parry SoundCanadaRecord high maximum temperature30.0 C (86.0 F)2 of 100 (Routine)
LakefieldCanadaRecord high minimum temperature19.4 C (66.9 F)2 of 100 (Routine)
OrebroSwedenRecord low maximum temperature15.0 C (59.0 F)2 of 100 (Routine)
Setauket StrongUnited StatesRecord high minimum temperature21.1 C (70.0 F)2 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord high minimum temperature22.8 C (73.0 F)2 of 100 (Routine)

Counts by Type and Timescale

37 records
Records on 25 August 1918 by type Records set or tied on 25 August 1918 by type: Highest daily maximum 5, Lowest daily maximum 1, Highest daily minimum 7, Lowest daily minimum 2, Heaviest daily rainfall 22. 0102030Highest daily maximum: 5Lowest daily maximum: 1Highest daily minimum: 7Lowest daily minimum: 2Heaviest daily rainfall: 22Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 25 August 1918 by type: Highest daily maximum 5, Lowest daily maximum 1, Highest daily minimum 7, Lowest daily minimum 2, Heaviest daily rainfall 22.
Records on 25 August 1918 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum1
Highest daily minimum7
Lowest daily minimum2
Heaviest daily rainfall22
Heaviest daily snowfall0
Deepest snow cover0
Records on 25 August 1918 by timescale Records on 25 August 1918 by timescale: all-time 0, monthly 1, daily 36. 010203040all-time: 0monthly: 1daily: 36all-timemonthlydaily
Records on 25 August 1918 by timescale: all-time 0, monthly 1, daily 36.
Records on 25 August 1918 by timescale
TimescaleRecords
all-time0
monthly1
daily36

How Much Records Were Beaten By

27 broken records
Histogram of margins by which records were beaten on 25 August 1918 Margins by which the 27 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 14.0. Ties are not counted. 0510150 to 2: 122 to 4: 64 to 6: 36 to 8: 18 to 10: 310 to 12: 112 to 14: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 14
Margins by which the 27 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 14.0. Ties are not counted.
Histogram of margins by which records were beaten on 25 August 1918
MarginRecords
0 to 212
2 to 46
4 to 63
6 to 81
8 to 103
10 to 121
12 to 141

Top 20 by Significance

25 August 1918
Top 20 records on 25 August 1918 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
25 August 1918Ocean Grove, AUdaily rain25.1 mm (1.0 in)8.3 mm (0.33 in)12 years25 of 100 (Routine)
25 August 1918Coldwater, CAdaily high min21.7 C (71.1 F)4.5 C (8.1 F)31 years21 of 100 (Routine)
25 August 1918Melton, AUdaily rain24.9 mm (1.0 in)14.0 mm (0.6 in)24 years20 of 100 (Routine)
25 August 1918Bad Muskau, DEdaily rain19.2 mm (0.8 in)10.7 mm (0.4 in)12 years20 of 100 (Routine)
25 August 1918Mornington, AUdaily rain16.5 mm (0.6 in)6.1 mm (0.24 in)12 years20 of 100 (Routine)
25 August 1918Murrumbeena Leeds Grove, AUdaily rain9.1 mm (0.36 in)4.3 mm (0.17 in)24 years19 of 100 (Routine)
25 August 1918Port Arthur, CAdaily high max30.6 C (87.1 F)2.8 C (5.0 F)25 years19 of 100 (Routine)
25 August 1918Hillview (Ballandry), AUdaily rain10.7 mm (0.4 in)9.4 mm (0.37 in)9 years17 of 100 (Routine)
25 August 1918Lakefield, CAdaily high max32.2 C (90.0 F)2.8 C (5.0 F)23 years17 of 100 (Routine)
25 August 1918Cornalla, AUdaily rain4.8 mm (0.19 in)1.5 mm (0.06 in)33 years15 of 100 (Routine)
25 August 1918Valencia Creek (Bulgar Park), AUdaily rain16.5 mm (0.6 in)8.6 mm (0.34 in)16 years15 of 100 (Routine)
25 August 1918Milwaukee Wb City, USdaily high max32.2 C (90.0 F)1.6 C (2.9 F)29 years15 of 100 (Routine)
25 August 1918Melbourne Regional Office, AUdaily rain6.6 mm (0.26 in)0.8 mm (0.03 in)24 years14 of 100 (Routine)
25 August 1918Kooba, AUdaily rain7.6 mm (0.30 in)3.0 mm (0.12 in)16 years13 of 100 (Routine)
25 August 1918Dromana, AUdaily rain12.2 mm (0.5 in)1.3 mm (0.05 in)24 years12 of 100 (Routine)
25 August 1918Lilydale, AUdaily rain8.1 mm (0.32 in)1.2 mm (0.05 in)24 years12 of 100 (Routine)
25 August 1918Greensborough, AUdaily rain4.6 mm (0.18 in)1.8 mm (0.07 in)20 years12 of 100 (Routine)
25 August 1918Yarmouth, CAdaily high max24.4 C (75.9 F)0.5 C (0.9 F)16 years11 of 100 (Routine)
25 August 1918Barellan Post Office, AUdaily rain5.3 mm (0.21 in)0.7 mm (0.03 in)16 years10 of 100 (Routine)
25 August 1918Rosedale, AUdaily rain9.7 mm (0.38 in)3.6 mm (0.14 in)3 years10 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

1796 to 1918
Records on 08-25 in each year Records set or tied on this calendar date in each year from 1796 to 1918. 1918 had 37 records. 05001,0001,5002,0001796: 11801: 11802: 11807: 21809: 11813: 11814: 11816: 11818: 21837: 11838: 21839: 11848: 11852: 11855: 21859: 11861: 21864: 11867: 21869: 11870: 11871: 21872: 21875: 11876: 51877: 31879: 31880: 21884: 11885: 21886: 11887: 11889: 11890: 31892: 41893: 81894: 21895: 41896: 21897: 21898: 21899: 51900: 131901: 111902: 61903: 131904: 111905: 121906: 291907: 151908: 131909: 221910: 321911: 321912: 321913: 311914: 301915: 941916: 181917: 651918: 371919: 1721920: 1741921: 501922: 701923: 1171924: 4021925: 1451926: 2241927: 3561928: 1671929: 1741930: 2471931: 2511932: 2701933: 3071934: 4571935: 3171936: 8591937: 3331938: 6201939: 3661940: 6581941: 4741942: 5141943: 4961944: 5891945: 4621946: 3051947: 6271948: 8761949: 2811950: 3271951: 3521952: 5851953: 4611954: 5201955: 7111956: 2731957: 4791958: 9581959: 5761960: 5851961: 4871962: 3981963: 5101964: 5571965: 4011966: 7151967: 4391968: 5961969: 6311970: 7211971: 6281972: 5961973: 5371974: 4661975: 6501976: 4591977: 7311978: 7021979: 8281980: 7501981: 6711982: 9071983: 1,2771984: 6941985: 1,0481986: 7781987: 1,5331988: 8151989: 9181990: 8171991: 6881992: 1,6801993: 1,1371994: 6171995: 1,2061996: 1,0581997: 1,5531998: 1,1381999: 8952000: 7902001: 1,0212002: 1,0732003: 8722004: 9472005: 8742006: 1,0202007: 1,3452008: 1,0262009: 8242010: 1,3212011: 1,3322012: 7092013: 6192014: 8532015: 1,1572016: 8872017: 4322018: 4382019: 7082020: 9312021: 5972022: 6722023: 1,5652024: 9092025: 1,0712026: 8861796186418921909192619431960197719942011
Records set or tied on this calendar date in each year from 1796 to 1918. 1918 had 37 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-25 in each year
YearRecords
17961
18011
18021
18072
18091
18131
18141
18161
18182
18371
18382
18391
18481
18521
18552
18591
18612
18641
18672
18691
18701
18712
18722
18751
18765
18773
18793
18802
18841
18852
18861
18871
18891
18903
18924
18938
18942
18954
18962
18972
18982
18995
190013
190111
19026
190313
190411
190512
190629
190715
190813
190922
191032
191132
191232
191331
191430
191594
191618
191765
191837
1919172
1920174
192150
192270
1923117
1924402
1925145
1926224
1927356
1928167
1929174
1930247
1931251
1932270
1933307
1934457
1935317
1936859
1937333
1938620
1939366
1940658
1941474
1942514
1943496
1944589
1945462
1946305
1947627
1948876
1949281
1950327
1951352
1952585
1953461
1954520
1955711
1956273
1957479
1958958
1959576
1960585
1961487
1962398
1963510
1964557
1965401
1966715
1967439
1968596
1969631
1970721
1971628
1972596
1973537
1974466
1975650
1976459
1977731
1978702
1979828
1980750
1981671
1982907
19831,277
1984694
19851,048
1986778
19871,533
1988815
1989918
1990817
1991688
19921,680
19931,137
1994617
19951,206
19961,058
19971,553
19981,138
1999895
2000790
20011,021
20021,073
2003872
2004947
2005874
20061,020
20071,345
20081,026
2009824
20101,321
20111,332
2012709
2013619
2014853
20151,157
2016887
2017432
2018438
2019708
2020931
2021597
2022672
20231,565
2024909
20251,071
2026886

Download the Data

  • Data for records on 1918-08-25: 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).