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Built 2026-10-19 (19 October 2026)

Weather Records on 30 August 1918

45 weather records were set or tied worldwide on 30 August 1918. Highest significance: Mudgee (George Street), AU.

Key Facts for 30 August 1918

  • On 30 August 1918, 45 weather records were set or tied at long-record stations worldwide.
  • 9 were record highs and 10 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 45 daily.
  • Mudgee (George Street) set a daily record precipitation of 31.8 mm (1.3 in) on 30 August 1918.
  • Across 169 earlier years (1806 to 2026) the same calendar date averaged 425 records.

Record Map

45 stations
Weather records on 30 August 1918 45 station records on 30 August 1918 are marked on the map, coloured by record type.
45 station records on 30 August 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 30 August 1918: highest significance records shown on the map
StationCountryTypeValueSignificance
Mudgee (George Street)AustraliaRecord daily precipitation31.8 mm (1.3 in)30 of 100 (Routine)
Lue StationAustraliaRecord daily precipitation30.0 mm (1.2 in)25 of 100 (Routine)
AstoriaUnited StatesRecord high maximum temperature32.8 C (91.0 F)25 of 100 (Routine)
UccleBelgiumRecord low minimum temperature6.0 C (42.8 F)22 of 100 (Routine)
Merriwa (Gummun Place)AustraliaRecord daily precipitation29.7 mm (1.2 in)21 of 100 (Routine)
Owen SoundCanadaRecord daily precipitation31.5 mm (1.2 in)21 of 100 (Routine)
HohenpeissenbergGermanyRecord low maximum temperature9.0 C (48.2 F)21 of 100 (Routine)
EllerstonAustraliaRecord daily precipitation20.3 mm (0.8 in)20 of 100 (Routine)
Zagreb-GricCroatiaRecord low maximum temperature16.6 C (61.9 F)17 of 100 (Routine)
Vasteras-HassloSwedenRecord daily precipitation14.5 mm (0.6 in)17 of 100 (Routine)
Portland Rfc CityUnited StatesRecord high maximum temperature34.4 C (93.9 F)17 of 100 (Routine)
Condobolin (Borambil Park)AustraliaRecord daily precipitation15.7 mm (0.6 in)16 of 100 (Routine)
Belltrees HomesteadAustraliaRecord daily precipitation19.8 mm (0.8 in)16 of 100 (Routine)
Forbes (Camp Street)AustraliaRecord daily precipitation19.3 mm (0.8 in)16 of 100 (Routine)
Dohne (Sar)South AfricaRecord daily precipitation16.0 mm (0.6 in)16 of 100 (Routine)
Portland Rfc CityUnited StatesRecord high minimum temperature17.2 C (63.0 F)16 of 100 (Routine)
New WestminsterCanadaRecord high maximum temperature28.9 C (84.0 F)15 of 100 (Routine)
Koebenhavn - Meteorologisk InsDenmarkRecord daily precipitation20.7 mm (0.8 in)15 of 100 (Routine)
Berlin-DahlemGermanyRecord low minimum temperature8.5 C (47.3 F)14 of 100 (Routine)
Sterkstroom (Pol)South AfricaRecord daily precipitation11.4 mm (0.4 in)14 of 100 (Routine)
WallabadahAustraliaRecord daily precipitation21.3 mm (0.8 in)13 of 100 (Routine)
AstoriaUnited StatesRecord high minimum temperature17.8 C (64.0 F)13 of 100 (Routine)
Bendemeer (Caroline St)AustraliaRecord daily precipitation26.9 mm (1.1 in)12 of 100 (Routine)
WatfordCanadaRecord daily precipitation9.7 mm (0.38 in)12 of 100 (Routine)
Pointe RicheCanadaRecord daily precipitation15.0 mm (0.6 in)12 of 100 (Routine)
AltastenbergGermanyRecord low minimum temperature4.1 C (39.4 F)12 of 100 (Routine)
Bryson City 2United StatesRecord daily precipitation21.3 mm (0.8 in)12 of 100 (Routine)
Euabolong (Brotherony)AustraliaRecord daily precipitation14.5 mm (0.6 in)11 of 100 (Routine)
IdaSouth AfricaRecord daily precipitation10.2 mm (0.4 in)11 of 100 (Routine)
Lexington Bluegrass APUnited StatesRecord daily precipitation9.4 mm (0.37 in)11 of 100 (Routine)
Denman (Martindale)AustraliaRecord daily precipitation30.5 mm (1.2 in)10 of 100 (Routine)
Umzimkulu (Tnk)South AfricaRecord daily precipitation15.2 mm (0.6 in)10 of 100 (Routine)
VarbergSwedenRecord daily precipitation14.0 mm (0.6 in)10 of 100 (Routine)
SaentisSwitzerlandRecord low minimum temperature-5.2 C (22.6 F)10 of 100 (Routine)
Koebenhavn: Landbohojskolen-1DenmarkRecord daily precipitation19.2 mm (0.8 in)9 of 100 (Routine)
Somerton (Bective Estate)AustraliaRecord daily precipitation15.5 mm (0.6 in)6 of 100 (Routine)
YarranAustraliaRecord daily precipitation8.1 mm (0.32 in)6 of 100 (Routine)
Munchen-NymphenburgGermanyRecord low maximum temperature14.4 C (57.9 F)6 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high maximum temperature38.9 C (102.0 F)6 of 100 (Routine)
ArmaghUnited KingdomRecord low maximum temperature13.8 C (56.8 F)4 of 100 (Routine)
Skara 1SwedenRecord low minimum temperature2.5 C (36.5 F)2 of 100 (Routine)
Linkoeping-MalmslaettSwedenRecord low minimum temperature6.0 C (42.8 F)1 of 100 (Routine)
Ft BidwellUnited StatesRecord high maximum temperature34.4 C (93.9 F)1 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high minimum temperature19.4 C (66.9 F)1 of 100 (Routine)
BarkervilleCanadaRecord high minimum temperature8.9 C (48.0 F)0 of 100 (Routine)

Counts by Type and Timescale

45 records
Records on 30 August 1918 by type Records set or tied on 30 August 1918 by type: Highest daily maximum 5, Lowest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 6, Heaviest daily rainfall 26. 0102030Highest daily maximum: 5Lowest daily maximum: 4Highest daily minimum: 4Lowest daily minimum: 6Heaviest daily rainfall: 26Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 30 August 1918 by type: Highest daily maximum 5, Lowest daily maximum 4, Highest daily minimum 4, Lowest daily minimum 6, Heaviest daily rainfall 26.
Records on 30 August 1918 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum4
Highest daily minimum4
Lowest daily minimum6
Heaviest daily rainfall26
Heaviest daily snowfall0
Deepest snow cover0
Records on 30 August 1918 by timescale Records on 30 August 1918 by timescale: all-time 0, monthly 0, daily 45. 0204060all-time: 0monthly: 0daily: 45all-timemonthlydaily
Records on 30 August 1918 by timescale: all-time 0, monthly 0, daily 45.
Records on 30 August 1918 by timescale
TimescaleRecords
all-time0
monthly0
daily45

How Much Records Were Beaten By

39 broken records
Histogram of margins by which records were beaten on 30 August 1918 Margins by which the 39 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.2. Ties are not counted. 051015200 to 2: 172 to 4: 84 to 6: 66 to 8: 28 to 10: 110 to 12: 112 to 14: 214 to 16: 20 to 22 to 44 to 66 to 88 to 1010 to 1212 to 1414 to 16
Margins by which the 39 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.2. Ties are not counted.
Histogram of margins by which records were beaten on 30 August 1918
MarginRecords
0 to 217
2 to 48
4 to 66
6 to 82
8 to 101
10 to 121
12 to 142
14 to 162

Top 20 by Significance

30 August 1918
Top 20 records on 30 August 1918 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
30 August 1918Mudgee (George Street), AUdaily rain31.8 mm (1.3 in)15.0 mm (0.6 in)24 years30 of 100 (Routine)
30 August 1918Lue Station, AUdaily rain30.0 mm (1.2 in)12.5 mm (0.5 in)24 years25 of 100 (Routine)
30 August 1918Astoria, USdaily high max32.8 C (91.0 F)4.5 C (8.1 F)23 years25 of 100 (Routine)
30 August 1918Uccle, BEdaily low min6.0 C (42.8 F)1.5 C (2.7 F)27 years22 of 100 (Routine)
30 August 1918Merriwa (Gummun Place), AUdaily rain29.7 mm (1.2 in)15.2 mm (0.6 in)16 years21 of 100 (Routine)
30 August 1918Owen Sound, CAdaily rain31.5 mm (1.2 in)12.7 mm (0.5 in)25 years21 of 100 (Routine)
30 August 1918Hohenpeissenberg, DEdaily low max9.0 C (48.2 F)3.0 C (5.4 F)35 years21 of 100 (Routine)
30 August 1918Ellerston, AUdaily rain20.3 mm (0.8 in)9.9 mm (0.39 in)12 years20 of 100 (Routine)
30 August 1918Zagreb-Gric, HRdaily low max16.6 C (61.9 F)1.8 C (3.2 F)35 years17 of 100 (Routine)
30 August 1918Vasteras-Hasslo, SEdaily rain14.5 mm (0.6 in)1.3 mm (0.05 in)32 years17 of 100 (Routine)
30 August 1918Portland Rfc City, USdaily high max34.4 C (93.9 F)1.6 C (2.9 F)35 years17 of 100 (Routine)
30 August 1918Condobolin (Borambil Park), AUdaily rain15.7 mm (0.6 in)3.0 mm (0.12 in)28 years16 of 100 (Routine)
30 August 1918Belltrees Homestead, AUdaily rain19.8 mm (0.8 in)10.7 mm (0.4 in)12 years16 of 100 (Routine)
30 August 1918Forbes (Camp Street), AUdaily rain19.3 mm (0.8 in)2.8 mm (0.11 in)28 years16 of 100 (Routine)
30 August 1918Dohne (Sar), ZAdaily rain16.0 mm (0.6 in)3.0 mm (0.12 in)34 years16 of 100 (Routine)
30 August 1918Portland Rfc City, USdaily high min17.2 C (63.0 F)0.5 C (0.9 F)33 years16 of 100 (Routine)
30 August 1918New Westminster, CAdaily high max28.9 C (84.0 F)3.3 C (5.9 F)12 years15 of 100 (Routine)
30 August 1918Koebenhavn - Meteorologisk Ins, DKdaily rain20.7 mm (0.8 in)1.0 mm (0.04 in)33 years15 of 100 (Routine)
30 August 1918Berlin-Dahlem, DEdaily low min8.5 C (47.3 F)0.5 C (0.9 F)31 years14 of 100 (Routine)
30 August 1918Sterkstroom (Pol), ZAdaily rain11.4 mm (0.4 in)4.3 mm (0.17 in)17 years14 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

1806 to 1918
Records on 08-30 in each year Records set or tied on this calendar date in each year from 1806 to 1918. 1918 had 45 records. 05001,0001,5002,0001806: 11807: 41813: 11814: 21827: 11829: 11835: 11838: 11839: 11845: 41850: 11851: 21855: 11857: 11859: 11864: 21867: 11869: 11870: 21874: 11875: 21876: 11877: 21878: 11880: 41881: 21882: 11884: 11885: 51886: 71887: 11888: 11889: 21890: 51891: 11892: 31893: 31894: 21895: 11896: 11897: 31898: 31899: 21900: 61901: 81902: 121903: 191904: 131905: 231906: 291907: 81908: 101909: 371910: 151911: 411912: 601913: 221914: 231915: 471916: 171917: 501918: 451919: 171920: 781921: 1001922: 651923: 611924: 2831925: 1671926: 1731927: 1091928: 3271929: 2081930: 2451931: 1921932: 1,1021933: 2741934: 5191935: 4761936: 1911937: 4181938: 2331939: 4011940: 3461941: 4221942: 3851943: 4871944: 4911945: 4551946: 5451947: 5991948: 5191949: 2401950: 4811951: 1,0911952: 3161953: 1,1241954: 5161955: 4171956: 4791957: 3211958: 3631959: 5461960: 3561961: 5731962: 3871963: 4421964: 4221965: 1,1181966: 5001967: 5361968: 7291969: 5221970: 4231971: 4431972: 5791973: 6461974: 8381975: 6641976: 6791977: 6651978: 8251979: 5171980: 5721981: 6841982: 7701983: 6961984: 1,1271985: 6291986: 1,7681987: 6381988: 8811989: 7911990: 9831991: 9381992: 1,6971993: 1,2001994: 6011995: 9401996: 1,3851997: 9601998: 1,2781999: 8642000: 1,1892001: 7502002: 8012003: 1,2262004: 1,0872005: 1,5002006: 9892007: 1,3002008: 6782009: 1,2512010: 1,5522011: 9942012: 1,0872013: 6442014: 5582015: 1,0742016: 5522017: 9242018: 6162019: 7552020: 6712021: 4292022: 1,0772023: 6512024: 9122025: 3242026: 7331806186918911908192519421959197619932010
Records set or tied on this calendar date in each year from 1806 to 1918. 1918 had 45 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-30 in each year
YearRecords
18061
18074
18131
18142
18271
18291
18351
18381
18391
18454
18501
18512
18551
18571
18591
18642
18671
18691
18702
18741
18752
18761
18772
18781
18804
18812
18821
18841
18855
18867
18871
18881
18892
18905
18911
18923
18933
18942
18951
18961
18973
18983
18992
19006
19018
190212
190319
190413
190523
190629
19078
190810
190937
191015
191141
191260
191322
191423
191547
191617
191750
191845
191917
192078
1921100
192265
192361
1924283
1925167
1926173
1927109
1928327
1929208
1930245
1931192
19321,102
1933274
1934519
1935476
1936191
1937418
1938233
1939401
1940346
1941422
1942385
1943487
1944491
1945455
1946545
1947599
1948519
1949240
1950481
19511,091
1952316
19531,124
1954516
1955417
1956479
1957321
1958363
1959546
1960356
1961573
1962387
1963442
1964422
19651,118
1966500
1967536
1968729
1969522
1970423
1971443
1972579
1973646
1974838
1975664
1976679
1977665
1978825
1979517
1980572
1981684
1982770
1983696
19841,127
1985629
19861,768
1987638
1988881
1989791
1990983
1991938
19921,697
19931,200
1994601
1995940
19961,385
1997960
19981,278
1999864
20001,189
2001750
2002801
20031,226
20041,087
20051,500
2006989
20071,300
2008678
20091,251
20101,552
2011994
20121,087
2013644
2014558
20151,074
2016552
2017924
2018616
2019755
2020671
2021429
20221,077
2023651
2024912
2025324
2026733

Download the Data

  • Data for records on 1918-08-30: 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).