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Built 2026-10-19 (19 October 2026)

Weather Records on 27 July 1917

46 weather records were set or tied worldwide on 27 July 1917. Highest significance: Jacksonville Wb City, US.

Key Facts for 27 July 1917

  • On 27 July 1917, 46 weather records were set or tied at long-record stations worldwide.
  • 17 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 1 were all-time records, 0 monthly and 45 daily.
  • Jacksonville Wb City set a daily record precipitation of 76.5 mm (3.0 in) on 27 July 1917.
  • Across 162 earlier years (1805 to 2026) the same calendar date averaged 455 records.

Record Map

46 stations
Weather records on 27 July 1917 46 station records on 27 July 1917 are marked on the map, coloured by record type.
46 station records on 27 July 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 27 July 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Jacksonville Wb CityUnited StatesRecord daily precipitation76.5 mm (3.0 in)34 of 100 (Routine)
Qu'appelleCanadaRecord high maximum temperature38.9 C (102.0 F)30 of 100 (Routine)
Qu'appelleCanadaRecord high minimum temperature20.0 C (68.0 F)24 of 100 (Routine)
Ladismith (Tnk)South AfricaRecord daily precipitation20.3 mm (0.8 in)20 of 100 (Routine)
Middleton (Sar)South AfricaRecord daily precipitation9.1 mm (0.36 in)20 of 100 (Routine)
Fir GlenSouth AfricaRecord daily precipitation18.8 mm (0.7 in)20 of 100 (Routine)
Cape May 2 NWUnited StatesRecord high maximum temperature31.1 C (88.0 F)18 of 100 (Routine)
Wentworth (Cuthero)AustraliaRecord daily precipitation9.1 mm (0.36 in)17 of 100 (Routine)
EdmontonCanadaRecord high minimum temperature14.4 C (57.9 F)17 of 100 (Routine)
Hillview (Ballandry)AustraliaRecord daily precipitation7.6 mm (0.30 in)16 of 100 (Routine)
Cet Central EnglandUnited KingdomRecord high minimum temperature15.4 C (59.7 F)16 of 100 (Routine)
SheffieldUnited KingdomRecord high minimum temperature15.6 C (60.1 F)16 of 100 (Routine)
Blayney Post OfficeAustraliaRecord daily precipitation12.7 mm (0.5 in)15 of 100 (Routine)
Matjiesfontein (Sar)South AfricaRecord daily precipitation5.1 mm (0.20 in)15 of 100 (Routine)
GrahamstownSouth AfricaRecord daily precipitation17.5 mm (0.7 in)15 of 100 (Routine)
East London -Signal STNSouth AfricaRecord daily precipitation22.9 mm (0.9 in)15 of 100 (Routine)
Darwin Post OfficeAustraliaRecord high maximum temperature33.3 C (91.9 F)14 of 100 (Routine)
Rokewood (the Meadows)AustraliaRecord daily precipitation9.9 mm (0.39 in)14 of 100 (Routine)
DurhamUnited KingdomRecord daily precipitation11.9 mm (0.5 in)14 of 100 (Routine)
Gundaroo (Bairnsdale)AustraliaRecord daily precipitation9.1 mm (0.36 in)13 of 100 (Routine)
KyambaAustraliaRecord daily precipitation15.7 mm (0.6 in)13 of 100 (Routine)
AstrakanRussiaRecord low minimum temperature15.7 C (60.3 F)13 of 100 (Routine)
Calitzdorp PolSouth AfricaRecord daily precipitation2.5 mm (0.10 in)13 of 100 (Routine)
WellandCanadaRecord high minimum temperature20.6 C (69.1 F)12 of 100 (Routine)
NetleyAustraliaRecord daily precipitation7.6 mm (0.30 in)11 of 100 (Routine)
Medicine Hat ACanadaRecord high minimum temperature17.8 C (64.0 F)11 of 100 (Routine)
KievUkraineRecord low maximum temperature17.4 C (63.3 F)11 of 100 (Routine)
Alexandria (Pol)South AfricaRecord daily precipitation12.4 mm (0.5 in)10 of 100 (Routine)
DurhamUnited KingdomRecord high minimum temperature14.4 C (57.9 F)10 of 100 (Routine)
Alice Springs Post OfficeAustraliaRecord high maximum temperature30.0 C (86.0 F)9 of 100 (Routine)
Wentworth (Avoca)AustraliaRecord daily precipitation6.4 mm (0.25 in)8 of 100 (Routine)
Boola BoolkaAustraliaRecord daily precipitation6.9 mm (0.27 in)8 of 100 (Routine)
Tumut (Red Hill Station)AustraliaRecord daily precipitation14.0 mm (0.6 in)8 of 100 (Routine)
The OlivesAustraliaRecord daily precipitation11.9 mm (0.5 in)8 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord high minimum temperature15.0 C (59.0 F)8 of 100 (Routine)
Port ArthurCanadaRecord high minimum temperature17.8 C (64.0 F)7 of 100 (Routine)
ArhangelskRussiaRecord low minimum temperature4.6 C (40.3 F)7 of 100 (Routine)
Katandra NorthAustraliaRecord daily precipitation15.2 mm (0.6 in)6 of 100 (Routine)
CarabostAustraliaRecord daily precipitation18.0 mm (0.7 in)5 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord high maximum temperature33.3 C (91.9 F)5 of 100 (Routine)
Saint JohnCanadaRecord low maximum temperature15.6 C (60.1 F)4 of 100 (Routine)
Setauket StrongUnited StatesRecord high minimum temperature22.8 C (73.0 F)2 of 100 (Routine)
Menindee (Weinteriga)AustraliaRecord daily precipitation4.8 mm (0.19 in)1 of 100 (Routine)
OttawaCanadaRecord high minimum temperature20.0 C (68.0 F)1 of 100 (Routine)
QuebecCanadaRecord high minimum temperature18.3 C (64.9 F)1 of 100 (Routine)
St. PetersburgRussiaRecord low maximum temperature16.5 C (61.7 F)1 of 100 (Routine)

Counts by Type and Timescale

46 records
Records on 27 July 1917 by type Records set or tied on 27 July 1917 by type: Highest daily maximum 5, Lowest daily maximum 3, Highest daily minimum 12, Lowest daily minimum 2, Heaviest daily rainfall 24. 0102030Highest daily maximum: 5Lowest daily maximum: 3Highest daily minimum: 12Lowest daily minimum: 2Heaviest daily rainfall: 24Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 27 July 1917 by type: Highest daily maximum 5, Lowest daily maximum 3, Highest daily minimum 12, Lowest daily minimum 2, Heaviest daily rainfall 24.
Records on 27 July 1917 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum3
Highest daily minimum12
Lowest daily minimum2
Heaviest daily rainfall24
Heaviest daily snowfall0
Deepest snow cover0
Records on 27 July 1917 by timescale Records on 27 July 1917 by timescale: all-time 1, monthly 0, daily 45. 0204060all-time: 1monthly: 0daily: 45all-timemonthlydaily
Records on 27 July 1917 by timescale: all-time 1, monthly 0, daily 45.
Records on 27 July 1917 by timescale
TimescaleRecords
all-time1
monthly0
daily45

How Much Records Were Beaten By

40 broken records
Histogram of margins by which records were beaten on 27 July 1917 Margins by which the 40 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 34.6. Ties are not counted. 0102030400 to 5: 345 to 10: 310 to 15: 015 to 20: 220 to 25: 025 to 30: 030 to 35: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 35
Margins by which the 40 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 34.6. Ties are not counted.
Histogram of margins by which records were beaten on 27 July 1917
MarginRecords
0 to 534
5 to 103
10 to 150
15 to 202
20 to 250
25 to 300
30 to 351

Top 20 by Significance

27 July 1917
Top 20 records on 27 July 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
27 July 1917Jacksonville Wb City, USdaily rain76.5 mm (3.0 in)34.6 mm (1.4 in)21 years34 of 100 (Routine)
27 July 1917Qu'appelle, CAall-time high max38.9 C (102.0 F)0.6 C (1.1 F)17 years30 of 100 (Routine)
27 July 1917Qu'appelle, CAdaily high min20.0 C (68.0 F)4.4 C (7.9 F)28 years24 of 100 (Routine)
27 July 1917Ladismith (Tnk), ZAdaily rain20.3 mm (0.8 in)15.7 mm (0.6 in)25 years20 of 100 (Routine)
27 July 1917Middleton (Sar), ZAdaily rain9.1 mm (0.36 in)8.3 mm (0.33 in)31 years20 of 100 (Routine)
27 July 1917Fir Glen, ZAdaily rain18.8 mm (0.7 in)15.5 mm (0.6 in)16 years20 of 100 (Routine)
27 July 1917Cape May 2 NW, USdaily high max31.1 C (88.0 F)1.1 C (2.0 F)34 years18 of 100 (Routine)
27 July 1917Wentworth (Cuthero), AUdaily rain9.1 mm (0.36 in)5.8 mm (0.23 in)10 years17 of 100 (Routine)
27 July 1917Edmonton, CAdaily high min14.4 C (57.9 F)1.6 C (2.9 F)31 years17 of 100 (Routine)
27 July 1917Hillview (Ballandry), AUdaily rain7.6 mm (0.30 in)2.5 mm (0.10 in)30 years16 of 100 (Routine)
27 July 1917Cet Central England, GBdaily high min15.4 C (59.7 F)0.9 C (1.6 F)31 years16 of 100 (Routine)
27 July 1917Sheffield, GBdaily high min15.6 C (60.1 F)1.0 C (1.8 F)31 years16 of 100 (Routine)
27 July 1917Blayney Post Office, AUdaily rain12.7 mm (0.5 in)4.3 mm (0.17 in)24 years15 of 100 (Routine)
27 July 1917Matjiesfontein (Sar), ZAdaily rain5.1 mm (0.20 in)0.8 mm (0.03 in)33 years15 of 100 (Routine)
27 July 1917Grahamstown, ZAdaily rain17.5 mm (0.7 in)2.5 mm (0.10 in)31 years15 of 100 (Routine)
27 July 1917East London -Signal STN, ZAdaily rain22.9 mm (0.9 in)8.9 mm (0.35 in)16 years15 of 100 (Routine)
27 July 1917Darwin Post Office, AUdaily high max33.3 C (91.9 F)0.6 C (1.1 F)27 years14 of 100 (Routine)
27 July 1917Rokewood (the Meadows), AUdaily rain9.9 mm (0.39 in)0.2 mm (0.01 in)33 years14 of 100 (Routine)
27 July 1917Durham, GBdaily rain11.9 mm (0.5 in)0.3 mm (0.01 in)36 years14 of 100 (Routine)
27 July 1917Gundaroo (Bairnsdale), AUdaily rain9.1 mm (0.36 in)2.2 mm (0.09 in)24 years13 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

1805 to 1917
Records on 07-27 in each year Records set or tied on this calendar date in each year from 1805 to 1917. 1917 had 46 records. 05001,0001,5002,0001805: 11815: 21820: 11832: 21847: 11852: 11856: 21857: 21862: 11863: 11867: 21868: 41870: 11871: 11872: 21873: 11875: 11876: 21877: 21881: 21882: 11883: 51884: 21886: 11887: 31888: 31889: 41890: 51891: 11893: 21894: 11895: 21896: 11897: 51898: 21899: 41900: 51901: 111902: 41903: 131904: 131905: 71906: 161907: 141908: 171909: 181910: 71911: 511912: 891913: 431914: 441915: 311916: 1431917: 461918: 1031919: 861920: 671921: 1231922: 951923: 1421924: 711925: 2341926: 1311927: 691928: 2221929: 1771930: 7861931: 4291932: 1721933: 4141934: 4711935: 2891936: 9711937: 4071938: 2871939: 2841940: 6321941: 4571942: 2581943: 3261944: 3981945: 3371946: 6801947: 3891948: 4851949: 4181950: 7971951: 2071952: 4761953: 2481954: 2941955: 5211956: 3251957: 3721958: 4911959: 3951960: 3851961: 2771962: 1,0091963: 5841964: 3351965: 4341966: 5941967: 5591968: 3911969: 5881970: 3791971: 1,0831972: 7901973: 7511974: 4031975: 5881976: 4261977: 8781978: 5831979: 7491980: 7601981: 1,2331982: 5841983: 1,4551984: 1,6131985: 5711986: 8361987: 1,1081988: 9361989: 1,1031990: 8461991: 7631992: 7911993: 1,3171994: 1,8511995: 1,1921996: 9501997: 1,1731998: 1,3631999: 8202000: 1,0192001: 1,2652002: 8162003: 1,0642004: 1,5522005: 1,7432006: 1,3212007: 9042008: 7842009: 8292010: 1,3302011: 1,0072012: 8232013: 1,1102014: 5912015: 7442016: 5642017: 4602018: 7372019: 5972020: 8422021: 1,1312022: 8552023: 8262024: 6462025: 8532026: 1,1701805187618981915193219491966198320002017
Records set or tied on this calendar date in each year from 1805 to 1917. 1917 had 46 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-27 in each year
YearRecords
18051
18152
18201
18322
18471
18521
18562
18572
18621
18631
18672
18684
18701
18711
18722
18731
18751
18762
18772
18812
18821
18835
18842
18861
18873
18883
18894
18905
18911
18932
18941
18952
18961
18975
18982
18994
19005
190111
19024
190313
190413
19057
190616
190714
190817
190918
19107
191151
191289
191343
191444
191531
1916143
191746
1918103
191986
192067
1921123
192295
1923142
192471
1925234
1926131
192769
1928222
1929177
1930786
1931429
1932172
1933414
1934471
1935289
1936971
1937407
1938287
1939284
1940632
1941457
1942258
1943326
1944398
1945337
1946680
1947389
1948485
1949418
1950797
1951207
1952476
1953248
1954294
1955521
1956325
1957372
1958491
1959395
1960385
1961277
19621,009
1963584
1964335
1965434
1966594
1967559
1968391
1969588
1970379
19711,083
1972790
1973751
1974403
1975588
1976426
1977878
1978583
1979749
1980760
19811,233
1982584
19831,455
19841,613
1985571
1986836
19871,108
1988936
19891,103
1990846
1991763
1992791
19931,317
19941,851
19951,192
1996950
19971,173
19981,363
1999820
20001,019
20011,265
2002816
20031,064
20041,552
20051,743
20061,321
2007904
2008784
2009829
20101,330
20111,007
2012823
20131,110
2014591
2015744
2016564
2017460
2018737
2019597
2020842
20211,131
2022855
2023826
2024646
2025853
20261,170

Download the Data

  • Data for records on 1917-07-27: 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).