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Weather Records on 18 October 1917

109 weather records were set or tied worldwide on 18 October 1917. Highest significance: White River, CA.

Key Facts for 18 October 1917

  • On 18 October 1917, 109 weather records were set or tied at long-record stations worldwide.
  • 5 were record highs and 10 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 109 daily.
  • White River set a daily record snowfall of 9.1 cm (3.6 in) on 18 October 1917.
  • Across 167 earlier years (1794 to 2025) the same calendar date averaged 436 records.

Record Map

109 stations
Weather records on 18 October 1917 109 station records on 18 October 1917 are marked on the map, coloured by record type.
109 station records on 18 October 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 October 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
White RiverCanadaRecord daily snowfall9.1 cm (3.6 in)28 of 100 (Routine)
Medicine Hat ACanadaRecord daily snowfall6.4 cm (2.5 in)25 of 100 (Routine)
Murrumburrah Old Post OfficeAustraliaRecord daily precipitation26.4 mm (1.0 in)23 of 100 (Routine)
Kerang (Tragowell)AustraliaRecord daily precipitation24.1 mm (0.9 in)20 of 100 (Routine)
Mitiamo 1AustraliaRecord daily precipitation16.3 mm (0.6 in)20 of 100 (Routine)
Fulham ParkAustraliaRecord daily precipitation13.2 mm (0.5 in)20 of 100 (Routine)
Harden (East St)AustraliaRecord daily precipitation24.1 mm (0.9 in)20 of 100 (Routine)
EskdaleAustraliaRecord daily precipitation36.3 mm (1.4 in)20 of 100 (Routine)
Mundarlo (Yabtree)AustraliaRecord daily precipitation24.6 mm (1.0 in)19 of 100 (Routine)
Temora Ambulance StationAustraliaRecord daily precipitation23.4 mm (0.9 in)18 of 100 (Routine)
Swift CurrentCanadaRecord low minimum temperature-15.6 C (3.9 F)18 of 100 (Routine)
Concordia ASOSUnited StatesRecord low minimum temperature-3.3 C (26.1 F)18 of 100 (Routine)
HawkerAustraliaRecord daily precipitation9.7 mm (0.38 in)17 of 100 (Routine)
Burra (Kooringa)AustraliaRecord daily precipitation8.1 mm (0.32 in)17 of 100 (Routine)
Tarcutta Post OfficeAustraliaRecord daily precipitation20.6 mm (0.8 in)17 of 100 (Routine)
TarcuttaAustraliaRecord daily precipitation20.3 mm (0.8 in)17 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord high minimum temperature18.3 C (64.9 F)17 of 100 (Routine)
GlenleeAustraliaRecord daily precipitation7.1 mm (0.28 in)17 of 100 (Routine)
RushworthAustraliaRecord daily precipitation17.8 mm (0.7 in)17 of 100 (Routine)
Whyte YarcowieAustraliaRecord daily precipitation7.6 mm (0.30 in)16 of 100 (Routine)
Cardwell Marine PdeAustraliaRecord daily precipitation26.2 mm (1.0 in)16 of 100 (Routine)
PaikaAustraliaRecord daily precipitation10.4 mm (0.4 in)16 of 100 (Routine)
Groongal (Gundaline)AustraliaRecord daily precipitation9.4 mm (0.37 in)16 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord low maximum temperature0.0 C (32.0 F)16 of 100 (Routine)
Quorn (Round Hill)AustraliaRecord daily precipitation3.0 mm (0.12 in)15 of 100 (Routine)
Bungendore (Douglas)AustraliaRecord daily precipitation20.6 mm (0.8 in)15 of 100 (Routine)
EudundaAustraliaRecord daily precipitation11.4 mm (0.4 in)14 of 100 (Routine)
Milparinka HotelAustraliaRecord daily precipitation1.5 mm (0.06 in)14 of 100 (Routine)
Tumbarumba Post OfficeAustraliaRecord daily precipitation30.0 mm (1.2 in)14 of 100 (Routine)
LitchfieldAustraliaRecord daily precipitation9.7 mm (0.38 in)14 of 100 (Routine)
Warranooke (Glenorchy)AustraliaRecord daily precipitation8.1 mm (0.32 in)14 of 100 (Routine)
Bridgewater (Memsie)AustraliaRecord daily precipitation14.0 mm (0.6 in)14 of 100 (Routine)
LandsortSwedenRecord daily precipitation7.0 mm (0.28 in)14 of 100 (Routine)
CarrietonAustraliaRecord daily precipitation2.0 mm (0.08 in)13 of 100 (Routine)
Hawker (Holowilena)AustraliaRecord daily precipitation4.8 mm (0.19 in)13 of 100 (Routine)
BerthongAustraliaRecord daily precipitation19.6 mm (0.8 in)13 of 100 (Routine)
West Wyalong (Tallimbalong)AustraliaRecord daily precipitation18.5 mm (0.7 in)13 of 100 (Routine)
CornallaAustraliaRecord daily precipitation13.5 mm (0.5 in)13 of 100 (Routine)
Winnemucca APUnited StatesRecord low minimum temperature-8.9 C (16.0 F)13 of 100 (Routine)
AuburnAustraliaRecord daily precipitation8.1 mm (0.32 in)12 of 100 (Routine)
HallettAustraliaRecord daily precipitation5.6 mm (0.22 in)12 of 100 (Routine)
Murray Bridge ComparisonAustraliaRecord daily precipitation10.7 mm (0.4 in)12 of 100 (Routine)
Yanco Glen (Corona Homestead)AustraliaRecord daily precipitation0.5 mm (0.02 in)12 of 100 (Routine)
Tumbarumba 1AustraliaRecord daily precipitation22.9 mm (0.9 in)12 of 100 (Routine)
The Rock (Bullenbong)AustraliaRecord daily precipitation18.0 mm (0.7 in)12 of 100 (Routine)
BygooAustraliaRecord daily precipitation19.1 mm (0.8 in)12 of 100 (Routine)
Medicine Hat ACanadaRecord daily precipitation6.4 mm (0.25 in)12 of 100 (Routine)
HambantotaSri LankaRecord low maximum temperature26.4 C (79.5 F)12 of 100 (Routine)
MoonareeAustraliaRecord daily precipitation5.6 mm (0.22 in)11 of 100 (Routine)
Farrell FlatAustraliaRecord daily precipitation8.1 mm (0.32 in)11 of 100 (Routine)
Hallett (Old Canowie)AustraliaRecord daily precipitation4.6 mm (0.18 in)11 of 100 (Routine)
MeningieAustraliaRecord daily precipitation7.1 mm (0.28 in)11 of 100 (Routine)
Holbrook (Rsl)AustraliaRecord daily precipitation15.2 mm (0.6 in)11 of 100 (Routine)
St AlbansCanadaRecord low maximum temperature-2.8 C (27.0 F)11 of 100 (Routine)
Lincoln UNIV Pwr PltUnited StatesRecord low minimum temperature-3.3 C (26.1 F)11 of 100 (Routine)
Mount TorrensAustraliaRecord daily precipitation12.7 mm (0.5 in)10 of 100 (Routine)
WoodburnAustraliaRecord daily precipitation4.1 mm (0.16 in)10 of 100 (Routine)
Mannum Council DepotAustraliaRecord daily precipitation7.4 mm (0.29 in)10 of 100 (Routine)
PanbanAustraliaRecord daily precipitation6.6 mm (0.26 in)10 of 100 (Routine)
Tumut (Red Hill Station)AustraliaRecord daily precipitation27.4 mm (1.1 in)10 of 100 (Routine)

Counts by Type and Timescale

109 records
Records on 18 October 1917 by type Records set or tied on 18 October 1917 by type: Highest daily maximum 3, Lowest daily maximum 4, Highest daily minimum 2, Lowest daily minimum 6, Heaviest daily rainfall 92, Heaviest daily snowfall 2. 0255075100Highest daily maximum: 3Lowest daily maximum: 4Highest daily minimum: 2Lowest daily minimum: 6Heaviest daily rainfall: 92Heaviest daily snowfall: 2Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 October 1917 by type: Highest daily maximum 3, Lowest daily maximum 4, Highest daily minimum 2, Lowest daily minimum 6, Heaviest daily rainfall 92, Heaviest daily snowfall 2.
Records on 18 October 1917 by type
Record typeRecords
Highest daily maximum3
Lowest daily maximum4
Highest daily minimum2
Lowest daily minimum6
Heaviest daily rainfall92
Heaviest daily snowfall2
Deepest snow cover0
Records on 18 October 1917 by timescale Records on 18 October 1917 by timescale: all-time 0, monthly 0, daily 109. 050100150all-time: 0monthly: 0daily: 109all-timemonthlydaily
Records on 18 October 1917 by timescale: all-time 0, monthly 0, daily 109.
Records on 18 October 1917 by timescale
TimescaleRecords
all-time0
monthly0
daily109

How Much Records Were Beaten By

101 broken records
Histogram of margins by which records were beaten on 18 October 1917 Margins by which the 101 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 53.0. Ties are not counted. 02550751000 to 10: 9210 to 20: 720 to 30: 030 to 40: 040 to 50: 050 to 60: 20 to 1010 to 2020 to 3030 to 4040 to 5050 to 60
Margins by which the 101 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 53.0. Ties are not counted.
Histogram of margins by which records were beaten on 18 October 1917
MarginRecords
0 to 1092
10 to 207
20 to 300
30 to 400
40 to 500
50 to 602

Top 20 by Significance

18 October 1917
Top 20 records on 18 October 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 October 1917White River, CAdaily snowfall9.1 cm (3.6 in)5.3 cm (2.1 in)16 years28 of 100 (Routine)
18 October 1917Medicine Hat A, CAdaily snowfall6.4 cm (2.5 in)5.1 cm (2.0 in)18 years25 of 100 (Routine)
18 October 1917Murrumburrah Old Post Office, AUdaily rain26.4 mm (1.0 in)16.7 mm (0.7 in)8 years23 of 100 (Routine)
18 October 1917Kerang (Tragowell), AUdaily rain24.1 mm (0.9 in)9.9 mm (0.39 in)27 years20 of 100 (Routine)
18 October 1917Mitiamo 1, AUdaily rain16.3 mm (0.6 in)9.4 mm (0.37 in)19 years20 of 100 (Routine)
18 October 1917Fulham Park, AUdaily rain13.2 mm (0.5 in)10.7 mm (0.4 in)27 years20 of 100 (Routine)
18 October 1917Harden (East St), AUdaily rain24.1 mm (0.9 in)13.7 mm (0.5 in)8 years20 of 100 (Routine)
18 October 1917Eskdale, AUdaily rain36.3 mm (1.4 in)15.5 mm (0.6 in)12 years20 of 100 (Routine)
18 October 1917Mundarlo (Yabtree), AUdaily rain24.6 mm (1.0 in)4.8 mm (0.19 in)35 years19 of 100 (Routine)
18 October 1917Temora Ambulance Station, AUdaily rain23.4 mm (0.9 in)4.9 mm (0.19 in)35 years18 of 100 (Routine)
18 October 1917Swift Current, CAdaily low min-15.6 C (3.9 F)5.0 C (9.0 F)17 years18 of 100 (Routine)
18 October 1917Concordia ASOS, USdaily low min-3.3 C (26.1 F)3.9 C (7.0 F)27 years18 of 100 (Routine)
18 October 1917Hawker, AUdaily rain9.7 mm (0.38 in)8.2 mm (0.32 in)7 years17 of 100 (Routine)
18 October 1917Burra (Kooringa), AUdaily rain8.1 mm (0.32 in)4.0 mm (0.16 in)22 years17 of 100 (Routine)
18 October 1917Tarcutta Post Office, AUdaily rain20.6 mm (0.8 in)2.8 mm (0.11 in)35 years17 of 100 (Routine)
18 October 1917Tarcutta, AUdaily rain20.3 mm (0.8 in)2.5 mm (0.10 in)35 years17 of 100 (Routine)
18 October 1917Deniliquin (Wilkinson St), AUdaily high min18.3 C (64.9 F)1.1 C (2.0 F)32 years17 of 100 (Routine)
18 October 1917Glenlee, AUdaily rain7.1 mm (0.28 in)5.3 mm (0.21 in)20 years17 of 100 (Routine)
18 October 1917Rushworth, AUdaily rain17.8 mm (0.7 in)10.2 mm (0.4 in)7 years17 of 100 (Routine)
18 October 1917Whyte Yarcowie, AUdaily rain7.6 mm (0.30 in)5.1 mm (0.20 in)22 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

1794 to 1917
Records on 10-18 in each year Records set or tied on this calendar date in each year from 1794 to 1917. 1917 had 109 records. 05001,0001,5002,0001794: 11796: 11799: 11806: 11807: 11810: 11811: 21817: 11832: 11835: 11836: 11843: 11846: 21848: 11849: 11851: 11852: 11859: 11863: 11865: 21866: 21868: 11869: 11871: 11872: 11874: 41876: 21877: 21879: 31881: 11882: 11883: 21887: 11888: 11890: 41892: 41893: 11894: 31895: 21897: 61898: 51899: 121900: 51901: 51902: 61903: 91904: 121905: 271906: 171907: 111908: 441909: 231910: 501911: 221912: 121913: 261914: 521915: 121916: 641917: 1091918: 241919: 311920: 871921: 871922: 591923: 1141924: 1511925: 1531926: 1491927: 3091928: 3161929: 1901930: 5071931: 3501932: 4461933: 2641934: 2221935: 3601936: 4831937: 6711938: 5361939: 4751940: 5321941: 2401942: 3321943: 8441944: 2641945: 3981946: 3551947: 9651948: 1,1281949: 6651950: 9961951: 3251952: 3941953: 6781954: 6211955: 4031956: 5781957: 2201958: 4071959: 2461960: 6121961: 3621962: 2521963: 4921964: 3111965: 1,0661966: 6131967: 4051968: 7371969: 7891970: 5011971: 1,1991972: 1,5811973: 7891974: 7461975: 7791976: 1,3261977: 5331978: 5451979: 5551980: 1,0241981: 6801982: 6541983: 6841984: 1,3311985: 8311986: 3441987: 5181988: 7331989: 1,1961990: 1,0431991: 9991992: 1,2951993: 1,0511994: 1,2961995: 1,2271996: 7951997: 1,2401998: 1,3231999: 7732000: 8232001: 8182002: 8782003: 1,0972004: 1,1562005: 7552006: 1,3282007: 1,2982008: 5312009: 1,5462010: 6342011: 7362012: 7412013: 4302014: 6902015: 9152016: 1,5112017: 5902018: 7592019: 3462020: 9572021: 3872022: 1,3342023: 6932024: 1,1422025: 3671794185918901909192619431960197719942011
Records set or tied on this calendar date in each year from 1794 to 1917. 1917 had 109 records.
Counts for years before the ledger starts come from the same station rules.
Records on 10-18 in each year
YearRecords
17941
17961
17991
18061
18071
18101
18112
18171
18321
18351
18361
18431
18462
18481
18491
18511
18521
18591
18631
18652
18662
18681
18691
18711
18721
18744
18762
18772
18793
18811
18821
18832
18871
18881
18904
18924
18931
18943
18952
18976
18985
189912
19005
19015
19026
19039
190412
190527
190617
190711
190844
190923
191050
191122
191212
191326
191452
191512
191664
1917109
191824
191931
192087
192187
192259
1923114
1924151
1925153
1926149
1927309
1928316
1929190
1930507
1931350
1932446
1933264
1934222
1935360
1936483
1937671
1938536
1939475
1940532
1941240
1942332
1943844
1944264
1945398
1946355
1947965
19481,128
1949665
1950996
1951325
1952394
1953678
1954621
1955403
1956578
1957220
1958407
1959246
1960612
1961362
1962252
1963492
1964311
19651,066
1966613
1967405
1968737
1969789
1970501
19711,199
19721,581
1973789
1974746
1975779
19761,326
1977533
1978545
1979555
19801,024
1981680
1982654
1983684
19841,331
1985831
1986344
1987518
1988733
19891,196
19901,043
1991999
19921,295
19931,051
19941,296
19951,227
1996795
19971,240
19981,323
1999773
2000823
2001818
2002878
20031,097
20041,156
2005755
20061,328
20071,298
2008531
20091,546
2010634
2011736
2012741
2013430
2014690
2015915
20161,511
2017590
2018759
2019346
2020957
2021387
20221,334
2023693
20241,142
2025367

Download the Data

  • Data for records on 1917-10-18: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).