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Built 2026-10-19 (19 October 2026)

Weather Records on 18 June 1917

55 weather records were set or tied worldwide on 18 June 1917. Highest significance: Anticosti SW Point, CA.

Key Facts for 18 June 1917

  • On 18 June 1917, 55 weather records were set or tied at long-record stations worldwide.
  • 42 were record highs and 8 were record lows, counting maximum and minimum temperature.
  • By timescale, 1 were all-time records, 0 monthly and 54 daily.
  • Anticosti SW Point set a daily record precipitation of 41.1 mm (1.6 in) on 18 June 1917.
  • Across 162 earlier years (1800 to 2026) the same calendar date averaged 438 records.

Record Map

55 stations
Weather records on 18 June 1917 55 station records on 18 June 1917 are marked on the map, coloured by record type.
55 station records on 18 June 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 June 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Anticosti SW PointCanadaRecord daily precipitation41.1 mm (1.6 in)37 of 100 (Notable)
OxfordUnited KingdomRecord high minimum temperature15.7 C (60.3 F)35 of 100 (Notable)
SandvigDenmarkRecord high minimum temperature20.5 C (68.9 F)34 of 100 (Routine)
Jena SternwarteGermanyRecord high maximum temperature32.7 C (90.9 F)32 of 100 (Routine)
TorontoCanadaRecord daily precipitation41.9 mm (1.6 in)22 of 100 (Routine)
ArnsbergGermanyRecord high maximum temperature32.0 C (89.6 F)22 of 100 (Routine)
San Diego WboUnited StatesRecord high maximum temperature25.6 C (78.1 F)22 of 100 (Routine)
VastervikSwedenRecord high minimum temperature17.5 C (63.5 F)20 of 100 (Routine)
SandvigDenmarkRecord high maximum temperature29.1 C (84.4 F)18 of 100 (Routine)
Berlin-DahlemGermanyRecord high maximum temperature32.6 C (90.7 F)18 of 100 (Routine)
St John'sCanadaRecord high maximum temperature26.7 C (80.1 F)17 of 100 (Routine)
St John'sCanadaRecord high minimum temperature15.0 C (59.0 F)17 of 100 (Routine)
VastervikSwedenRecord high maximum temperature31.0 C (87.8 F)17 of 100 (Routine)
VestervigDenmarkRecord high maximum temperature25.4 C (77.7 F)16 of 100 (Routine)
VestervigDenmarkRecord high minimum temperature16.1 C (61.0 F)16 of 100 (Routine)
Uppsala_AutSwedenRecord high minimum temperature17.2 C (63.0 F)16 of 100 (Routine)
Nuwara EliyaSri LankaRecord low minimum temperature8.9 C (48.0 F)15 of 100 (Routine)
TranebjergDenmarkRecord high maximum temperature27.5 C (81.5 F)15 of 100 (Routine)
KargopolRussiaRecord daily precipitation10.4 mm (0.4 in)15 of 100 (Routine)
JonkopingSwedenRecord high minimum temperature16.0 C (60.8 F)15 of 100 (Routine)
StockholmSwedenRecord high minimum temperature18.0 C (64.4 F)15 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high maximum temperature40.6 C (105.1 F)15 of 100 (Routine)
Alice Springs Post OfficeAustraliaRecord low minimum temperature-2.2 C (28.0 F)14 of 100 (Routine)
Cobar Post OfficeAustraliaRecord low minimum temperature-0.6 C (30.9 F)14 of 100 (Routine)
HohenpeissenbergGermanyRecord high maximum temperature24.3 C (75.7 F)14 of 100 (Routine)
NurnbergGermanyRecord high maximum temperature31.3 C (88.3 F)14 of 100 (Routine)
Visby_FlygplatsSwedenRecord high minimum temperature16.7 C (62.1 F)14 of 100 (Routine)
KarlsruheGermanyRecord high maximum temperature30.4 C (86.7 F)13 of 100 (Routine)
Munchen-NymphenburgGermanyRecord high maximum temperature28.1 C (82.6 F)13 of 100 (Routine)
Linkoeping-MalmslaettSwedenRecord high minimum temperature17.5 C (63.5 F)13 of 100 (Routine)
Wrixum/FohrGermanyRecord high minimum temperature17.2 C (63.0 F)12 of 100 (Routine)
OrebroSwedenRecord high minimum temperature16.5 C (61.7 F)12 of 100 (Routine)
Walgett Council DepotAustraliaRecord low minimum temperature0.4 C (32.7 F)11 of 100 (Routine)
Richmond - Uws HawkesburyAustraliaRecord daily precipitation10.2 mm (0.4 in)11 of 100 (Routine)
MagdeburgGermanyRecord high minimum temperature17.8 C (64.0 F)11 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord high maximum temperature31.6 C (88.9 F)11 of 100 (Routine)
KristianstadSwedenRecord high maximum temperature30.0 C (86.0 F)11 of 100 (Routine)
SvegSwedenRecord high minimum temperature11.0 C (51.8 F)11 of 100 (Routine)
BambergGermanyRecord high maximum temperature30.8 C (87.4 F)10 of 100 (Routine)
PlauenGermanyRecord high maximum temperature31.3 C (88.3 F)10 of 100 (Routine)
QuebecCanadaRecord daily precipitation27.4 mm (1.1 in)9 of 100 (Routine)
MagdeburgGermanyRecord high maximum temperature33.9 C (93.0 F)9 of 100 (Routine)
Wrixum/FohrGermanyRecord high maximum temperature27.8 C (82.0 F)8 of 100 (Routine)
WellandCanadaRecord low minimum temperature6.1 C (43.0 F)7 of 100 (Routine)
Nordby (Fano)DenmarkRecord high maximum temperature26.6 C (79.9 F)6 of 100 (Routine)
SheffieldUnited KingdomRecord high minimum temperature15.0 C (59.0 F)6 of 100 (Routine)
HohenpeissenbergGermanyRecord high minimum temperature15.1 C (59.2 F)5 of 100 (Routine)
CharlottetownCanadaRecord high minimum temperature15.6 C (60.1 F)4 of 100 (Routine)
ChathamCanadaRecord high minimum temperature15.6 C (60.1 F)3 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord high minimum temperature20.0 C (68.0 F)2 of 100 (Routine)
StockholmSwedenRecord high maximum temperature28.5 C (83.3 F)2 of 100 (Routine)
Greenville Dwtn APUnited StatesRecord low minimum temperature11.1 C (52.0 F)2 of 100 (Routine)
Cobar Post OfficeAustraliaRecord low maximum temperature12.2 C (54.0 F)1 of 100 (Routine)
KarlshamnSwedenRecord high maximum temperature26.5 C (79.7 F)1 of 100 (Routine)
Houston Wb CityUnited StatesRecord low minimum temperature18.9 C (66.0 F)1 of 100 (Routine)

Counts by Type and Timescale

55 records
Records on 18 June 1917 by type Records set or tied on 18 June 1917 by type: Highest daily maximum 23, Lowest daily maximum 1, Highest daily minimum 19, Lowest daily minimum 7, Heaviest daily rainfall 5. 0102030Highest daily maximum: 23Lowest daily maximum: 1Highest daily minimum: 19Lowest daily minimum: 7Heaviest daily rainfall: 5Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 June 1917 by type: Highest daily maximum 23, Lowest daily maximum 1, Highest daily minimum 19, Lowest daily minimum 7, Heaviest daily rainfall 5.
Records on 18 June 1917 by type
Record typeRecords
Highest daily maximum23
Lowest daily maximum1
Highest daily minimum19
Lowest daily minimum7
Heaviest daily rainfall5
Heaviest daily snowfall0
Deepest snow cover0
Records on 18 June 1917 by timescale Records on 18 June 1917 by timescale: all-time 1, monthly 0, daily 54. 0204060all-time: 1monthly: 0daily: 54all-timemonthlydaily
Records on 18 June 1917 by timescale: all-time 1, monthly 0, daily 54.
Records on 18 June 1917 by timescale
TimescaleRecords
all-time1
monthly0
daily54

How Much Records Were Beaten By

47 broken records
Histogram of margins by which records were beaten on 18 June 1917 Margins by which the 47 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.9. Ties are not counted. 02040600 to 5: 445 to 10: 210 to 15: 015 to 20: 020 to 25: 025 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 47 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.9. Ties are not counted.
Histogram of margins by which records were beaten on 18 June 1917
MarginRecords
0 to 544
5 to 102
10 to 150
15 to 200
20 to 250
25 to 301

Top 20 by Significance

18 June 1917
Top 20 records on 18 June 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 June 1917Anticosti SW Point, CAdaily rain41.1 mm (1.6 in)25.9 mm (1.0 in)26 years37 of 100 (Notable)
18 June 1917Oxford, GBdaily high min15.7 C (60.3 F)0.6 C (1.1 F)78 years35 of 100 (Notable)
18 June 1917Sandvig, DKall-time high min20.5 C (68.9 F)0.8 C (1.4 F)25 years34 of 100 (Routine)
18 June 1917Jena Sternwarte, DEdaily high max32.7 C (90.9 F)3.1 C (5.6 F)58 years32 of 100 (Routine)
18 June 1917Toronto, CAdaily rain41.9 mm (1.6 in)4.8 mm (0.19 in)33 years22 of 100 (Routine)
18 June 1917Arnsberg, DEdaily high max32.0 C (89.6 F)5.5 C (9.9 F)23 years22 of 100 (Routine)
18 June 1917San Diego Wbo, USdaily high max25.6 C (78.1 F)2.3 C (4.1 F)30 years22 of 100 (Routine)
18 June 1917Vastervik, SEdaily high min17.5 C (63.5 F)3.0 C (5.4 F)23 years20 of 100 (Routine)
18 June 1917Sandvig, DKdaily high max29.1 C (84.4 F)2.6 C (4.7 F)20 years18 of 100 (Routine)
18 June 1917Berlin-Dahlem, DEdaily high max32.6 C (90.7 F)3.9 C (7.0 F)20 years18 of 100 (Routine)
18 June 1917St John's, CAdaily high max26.7 C (80.1 F)2.8 C (5.0 F)31 years17 of 100 (Routine)
18 June 1917St John's, CAdaily high min15.0 C (59.0 F)1.7 C (3.1 F)30 years17 of 100 (Routine)
18 June 1917Vastervik, SEdaily high max31.0 C (87.8 F)3.5 C (6.3 F)20 years17 of 100 (Routine)
18 June 1917Vestervig, DKdaily high max25.4 C (77.7 F)2.7 C (4.9 F)16 years16 of 100 (Routine)
18 June 1917Vestervig, DKdaily high min16.1 C (61.0 F)2.3 C (4.1 F)11 years16 of 100 (Routine)
18 June 1917Uppsala_Aut, SEdaily high min17.2 C (63.0 F)2.4 C (4.3 F)8 years16 of 100 (Routine)
18 June 1917Nuwara Eliya, LKdaily low min8.9 C (48.0 F)1.2 C (2.2 F)8 years15 of 100 (Routine)
18 June 1917Tranebjerg, DKdaily high max27.5 C (81.5 F)2.0 C (3.6 F)20 years15 of 100 (Routine)
18 June 1917Kargopol, RUdaily rain10.4 mm (0.4 in)2.6 mm (0.10 in)29 years15 of 100 (Routine)
18 June 1917Jonkoping, SEdaily high min16.0 C (60.8 F)2.0 C (3.6 F)20 years15 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

1800 to 1917
Records on 06-18 in each year Records set or tied on this calendar date in each year from 1800 to 1917. 1917 had 55 records. 05001,0001,5002,0001800: 11801: 11802: 11803: 11816: 11821: 11823: 11839: 11841: 11848: 11855: 11858: 21859: 11862: 21865: 11869: 11870: 11875: 21876: 11879: 11880: 11881: 21882: 21883: 11884: 11886: 11888: 31889: 11890: 31892: 31893: 11894: 21895: 31896: 41897: 51899: 31900: 41901: 101902: 71903: 131904: 51905: 321906: 161907: 211908: 201909: 391910: 151911: 141912: 251913: 291914: 431915: 621916: 291917: 551918: 1181919: 651920: 531921: 441922: 571923: 1441924: 1081925: 2461926: 1761927: 2871928: 2051929: 2971930: 3791931: 2671932: 2191933: 4991934: 3351935: 4941936: 5491937: 3011938: 3911939: 6741940: 6201941: 2731942: 2011943: 1731944: 7261945: 7841946: 5321947: 3911948: 4211949: 7341950: 8281951: 2371952: 4351953: 7301954: 4601955: 7211956: 3731957: 6721958: 5321959: 5731960: 3941961: 9791962: 3021963: 3051964: 8401965: 5891966: 4311967: 3081968: 5561969: 5981970: 4861971: 4561972: 3341973: 8611974: 7191975: 8211976: 5081977: 7681978: 5161979: 5811980: 4471981: 8951982: 7361983: 1,0801984: 7161985: 9211986: 8621987: 9251988: 7481989: 6971990: 7951991: 9441992: 5791993: 8341994: 1,1561995: 1,2241996: 1,0041997: 8941998: 1,6001999: 1,2582000: 1,4742001: 5892002: 1,3972003: 8532004: 1,0562005: 1,0142006: 6992007: 8982008: 6282009: 9202010: 9282011: 9522012: 8322013: 8472014: 7322015: 9782016: 7872017: 8392018: 9682019: 4252020: 5722021: 1,8742022: 1,1942023: 5742024: 1,1502025: 5832026: 8301800187518971915193219491966198320002017
Records set or tied on this calendar date in each year from 1800 to 1917. 1917 had 55 records.
Counts for years before the ledger starts come from the same station rules.
Records on 06-18 in each year
YearRecords
18001
18011
18021
18031
18161
18211
18231
18391
18411
18481
18551
18582
18591
18622
18651
18691
18701
18752
18761
18791
18801
18812
18822
18831
18841
18861
18883
18891
18903
18923
18931
18942
18953
18964
18975
18993
19004
190110
19027
190313
19045
190532
190616
190721
190820
190939
191015
191114
191225
191329
191443
191562
191629
191755
1918118
191965
192053
192144
192257
1923144
1924108
1925246
1926176
1927287
1928205
1929297
1930379
1931267
1932219
1933499
1934335
1935494
1936549
1937301
1938391
1939674
1940620
1941273
1942201
1943173
1944726
1945784
1946532
1947391
1948421
1949734
1950828
1951237
1952435
1953730
1954460
1955721
1956373
1957672
1958532
1959573
1960394
1961979
1962302
1963305
1964840
1965589
1966431
1967308
1968556
1969598
1970486
1971456
1972334
1973861
1974719
1975821
1976508
1977768
1978516
1979581
1980447
1981895
1982736
19831,080
1984716
1985921
1986862
1987925
1988748
1989697
1990795
1991944
1992579
1993834
19941,156
19951,224
19961,004
1997894
19981,600
19991,258
20001,474
2001589
20021,397
2003853
20041,056
20051,014
2006699
2007898
2008628
2009920
2010928
2011952
2012832
2013847
2014732
2015978
2016787
2017839
2018968
2019425
2020572
20211,874
20221,194
2023574
20241,150
2025583
2026830

Download the Data

  • Data for records on 1917-06-18: 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).