Daily records
Page built 2026-10-19
Data as of 2026-10-15
Search
Built 2026-10-19 (19 October 2026)

Weather Records on 7 September 1917

44 weather records were set or tied worldwide on 7 September 1917. Highest significance: Lexington Bluegrass AP, US.

Key Facts for 7 September 1917

  • On 7 September 1917, 44 weather records were set or tied at long-record stations worldwide.
  • 3 were record highs and 19 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 44 daily.
  • Lexington Bluegrass AP set a daily record precipitation of 32.5 mm (1.3 in) on 7 September 1917.
  • Across 165 earlier years (1802 to 2026) the same calendar date averaged 453 records.

Record Map

44 stations
Weather records on 7 September 1917 44 station records on 7 September 1917 are marked on the map, coloured by record type.
44 station records on 7 September 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 7 September 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Lexington Bluegrass APUnited StatesRecord daily precipitation32.5 mm (1.3 in)23 of 100 (Routine)
GenoaItalyRecord daily precipitation42.4 mm (1.7 in)22 of 100 (Routine)
BeechalAustraliaRecord daily precipitation6.1 mm (0.24 in)20 of 100 (Routine)
HamiltonCanadaRecord low maximum temperature14.4 C (57.9 F)20 of 100 (Routine)
Second Valley (Poolamacca)AustraliaRecord daily precipitation13.2 mm (0.5 in)19 of 100 (Routine)
Port StanleyCanadaRecord low minimum temperature5.0 C (41.0 F)17 of 100 (Routine)
Second Valley (Spring Grove)AustraliaRecord daily precipitation10.2 mm (0.4 in)15 of 100 (Routine)
NormanvilleAustraliaRecord daily precipitation6.4 mm (0.25 in)14 of 100 (Routine)
Warranooke (Glenorchy)AustraliaRecord daily precipitation7.4 mm (0.29 in)14 of 100 (Routine)
Parry SoundCanadaRecord low minimum temperature3.3 C (37.9 F)14 of 100 (Routine)
Madison Wb CityUnited StatesRecord low maximum temperature13.3 C (55.9 F)14 of 100 (Routine)
Pointe Au PereCanadaRecord low maximum temperature10.0 C (50.0 F)13 of 100 (Routine)
Hogsback (Bos)South AfricaRecord daily precipitation31.0 mm (1.2 in)13 of 100 (Routine)
HarnosandSwedenRecord low minimum temperature1.0 C (33.8 F)13 of 100 (Routine)
Dubuque RiverUnited StatesRecord low maximum temperature14.4 C (57.9 F)13 of 100 (Routine)
Cairns Post OfficeAustraliaRecord daily precipitation9.7 mm (0.38 in)12 of 100 (Routine)
Toledo BladeUnited StatesRecord low maximum temperature17.2 C (63.0 F)12 of 100 (Routine)
Boulia AirportAustraliaRecord daily precipitation0.3 mm (0.01 in)11 of 100 (Routine)
SuratAustraliaRecord daily precipitation0.5 mm (0.02 in)11 of 100 (Routine)
Victoria ValleyAustraliaRecord daily precipitation15.2 mm (0.6 in)11 of 100 (Routine)
Kingston Queens UCanadaRecord low minimum temperature5.6 C (42.1 F)11 of 100 (Routine)
BeatriceCanadaRecord low minimum temperature-1.1 C (30.0 F)11 of 100 (Routine)
UmeaSwedenRecord low minimum temperature-2.0 C (28.4 F)11 of 100 (Routine)
BurlingtonUnited StatesRecord low maximum temperature15.0 C (59.0 F)11 of 100 (Routine)
Clare (Hill River)AustraliaRecord daily precipitation18.8 mm (0.7 in)10 of 100 (Routine)
Dubuque RiverUnited StatesRecord daily precipitation24.6 mm (1.0 in)10 of 100 (Routine)
Brisbane Regional OfficeAustraliaRecord high minimum temperature16.6 C (61.9 F)9 of 100 (Routine)
Toledo BladeUnited StatesRecord daily precipitation18.3 mm (0.7 in)9 of 100 (Routine)
LucknowCanadaRecord low minimum temperature1.1 C (34.0 F)8 of 100 (Routine)
KirovRussiaRecord daily precipitation14.2 mm (0.6 in)8 of 100 (Routine)
VestervigDenmarkRecord high maximum temperature21.1 C (70.0 F)7 of 100 (Routine)
JokkmokkSwedenRecord low minimum temperature-4.0 C (24.8 F)6 of 100 (Routine)
Gredgwin (Barraport North)AustraliaRecord daily precipitation3.8 mm (0.15 in)5 of 100 (Routine)
Buangor 1AustraliaRecord daily precipitation6.4 mm (0.25 in)5 of 100 (Routine)
Darwin Post OfficeAustraliaRecord high minimum temperature24.7 C (76.5 F)4 of 100 (Routine)
Madowla ParkAustraliaRecord daily precipitation4.1 mm (0.16 in)4 of 100 (Routine)
BuffaloUnited StatesRecord low maximum temperature15.6 C (60.1 F)4 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord low maximum temperature20.0 C (68.0 F)4 of 100 (Routine)
Sheringa (Lake Hamilton)AustraliaRecord daily precipitation3.0 mm (0.12 in)3 of 100 (Routine)
Owen SoundCanadaRecord low minimum temperature1.7 C (35.1 F)3 of 100 (Routine)
Montreal McGillCanadaRecord low minimum temperature5.0 C (41.0 F)3 of 100 (Routine)
Port DoverCanadaRecord low minimum temperature5.6 C (42.1 F)2 of 100 (Routine)
PermRussiaRecord daily precipitation14.0 mm (0.6 in)2 of 100 (Routine)
Nagambie CbaAustraliaRecord daily precipitation4.8 mm (0.19 in)1 of 100 (Routine)

Counts by Type and Timescale

44 records
Records on 7 September 1917 by type Records set or tied on 7 September 1917 by type: Highest daily maximum 1, Lowest daily maximum 8, Highest daily minimum 2, Lowest daily minimum 11, Heaviest daily rainfall 22. 0102030Highest daily maximum: 1Lowest daily maximum: 8Highest daily minimum: 2Lowest daily minimum: 11Heaviest daily rainfall: 22Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 7 September 1917 by type: Highest daily maximum 1, Lowest daily maximum 8, Highest daily minimum 2, Lowest daily minimum 11, Heaviest daily rainfall 22.
Records on 7 September 1917 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum8
Highest daily minimum2
Lowest daily minimum11
Heaviest daily rainfall22
Heaviest daily snowfall0
Deepest snow cover0
Records on 7 September 1917 by timescale Records on 7 September 1917 by timescale: all-time 0, monthly 0, daily 44. 0204060all-time: 0monthly: 0daily: 44all-timemonthlydaily
Records on 7 September 1917 by timescale: all-time 0, monthly 0, daily 44.
Records on 7 September 1917 by timescale
TimescaleRecords
all-time0
monthly0
daily44

How Much Records Were Beaten By

36 broken records
Histogram of margins by which records were beaten on 7 September 1917 Margins by which the 36 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 21.1. Ties are not counted. 0102030400 to 5: 325 to 10: 310 to 15: 015 to 20: 020 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 36 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 21.1. Ties are not counted.
Histogram of margins by which records were beaten on 7 September 1917
MarginRecords
0 to 532
5 to 103
10 to 150
15 to 200
20 to 251

Top 20 by Significance

7 September 1917
Top 20 records on 7 September 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
7 September 1917Lexington Bluegrass AP, USdaily rain32.5 mm (1.3 in)21.1 mm (0.8 in)4 years23 of 100 (Routine)
7 September 1917Genoa, ITdaily rain42.4 mm (1.7 in)9.6 mm (0.38 in)34 years22 of 100 (Routine)
7 September 1917Beechal, AUdaily rain6.1 mm (0.24 in)6.1 mm (0.24 in)33 years20 of 100 (Routine)
7 September 1917Hamilton, CAdaily low max14.4 C (57.9 F)2.3 C (4.1 F)39 years20 of 100 (Routine)
7 September 1917Second Valley (Poolamacca), AUdaily rain13.2 mm (0.5 in)4.8 mm (0.19 in)30 years19 of 100 (Routine)
7 September 1917Port Stanley, CAdaily low min5.0 C (41.0 F)0.6 C (1.1 F)41 years17 of 100 (Routine)
7 September 1917Second Valley (Spring Grove), AUdaily rain10.2 mm (0.4 in)2.8 mm (0.11 in)23 years15 of 100 (Routine)
7 September 1917Normanville, AUdaily rain6.4 mm (0.25 in)0.6 mm (0.02 in)30 years14 of 100 (Routine)
7 September 1917Warranooke (Glenorchy), AUdaily rain7.4 mm (0.29 in)2.8 mm (0.11 in)23 years14 of 100 (Routine)
7 September 1917Parry Sound, CAdaily low min3.3 C (37.9 F)0.6 C (1.1 F)31 years14 of 100 (Routine)
7 September 1917Madison Wb City, USdaily low max13.3 C (55.9 F)1.7 C (3.1 F)24 years14 of 100 (Routine)
7 September 1917Pointe Au Pere, CAdaily low max10.0 C (50.0 F)1.1 C (2.0 F)24 years13 of 100 (Routine)
7 September 1917Hogsback (Bos), ZAdaily rain31.0 mm (1.2 in)7.1 mm (0.28 in)16 years13 of 100 (Routine)
7 September 1917Harnosand, SEdaily low min1.0 C (33.8 F)1.0 C (1.8 F)24 years13 of 100 (Routine)
7 September 1917Dubuque River, USdaily low max14.4 C (57.9 F)1.2 C (2.2 F)24 years13 of 100 (Routine)
7 September 1917Cairns Post Office, AUdaily rain9.7 mm (0.38 in)3.6 mm (0.14 in)17 years12 of 100 (Routine)
7 September 1917Toledo Blade, USdaily low max17.2 C (63.0 F)0.6 C (1.1 F)24 years12 of 100 (Routine)
7 September 1917Boulia Airport, AUdaily rain0.3 mm (0.01 in)0.3 mm (0.01 in)29 years11 of 100 (Routine)
7 September 1917Surat, AUdaily rain0.5 mm (0.02 in)0.5 mm (0.02 in)29 years11 of 100 (Routine)
7 September 1917Victoria Valley, AUdaily rain15.2 mm (0.6 in)0.5 mm (0.02 in)26 years11 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

1802 to 1917
Records on 09-07 in each year Records set or tied on this calendar date in each year from 1802 to 1917. 1917 had 44 records. 01,0002,0003,0001802: 21814: 21816: 11833: 11845: 21847: 11848: 11850: 11852: 11856: 11859: 11860: 21861: 11864: 21865: 31868: 11870: 11871: 41872: 31873: 11877: 41878: 11879: 11881: 21882: 11883: 21886: 11887: 31888: 11889: 11890: 21891: 71892: 31894: 81895: 71896: 11897: 21898: 81899: 31900: 11901: 61902: 31903: 71904: 81905: 201906: 81907: 51908: 261909: 111910: 151911: 201912: 391913: 201914: 291915: 281916: 391917: 441918: 351919: 1841920: 3751921: 801922: 981923: 1251924: 2321925: 3031926: 1171927: 1471928: 1301929: 3551930: 1081931: 4001932: 4781933: 2871934: 5661935: 2751936: 3701937: 2601938: 3481939: 6341940: 2261941: 4511942: 4151943: 5911944: 5191945: 4821946: 3561947: 6251948: 3531949: 7051950: 7041951: 3421952: 3011953: 4461954: 3901955: 4051956: 7521957: 4981958: 5701959: 5831960: 7631961: 3121962: 7291963: 4481964: 4631965: 6721966: 3651967: 5351968: 4171969: 6961970: 9171971: 6481972: 5341973: 6741974: 7091975: 4231976: 7631977: 6741978: 1,1651979: 5831980: 6131981: 6221982: 6841983: 1,2351984: 1,3961985: 1,4591986: 1,0621987: 9561988: 1,2661989: 5531990: 9001991: 9571992: 1,2571993: 7201994: 5231995: 1,0931996: 9821997: 7991998: 1,2621999: 1,0872000: 1,3202001: 1,0682002: 1,1692003: 7682004: 8652005: 7082006: 1,1052007: 1,1712008: 1,2102009: 7132010: 1,1472011: 1,4522012: 6992013: 9812014: 4912015: 6372016: 8682017: 9662018: 7232019: 7432020: 1,3522021: 7942022: 2,0962023: 1,1162024: 1,2162025: 7112026: 7601802187118951912192919461963198019972014
Records set or tied on this calendar date in each year from 1802 to 1917. 1917 had 44 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-07 in each year
YearRecords
18022
18142
18161
18331
18452
18471
18481
18501
18521
18561
18591
18602
18611
18642
18653
18681
18701
18714
18723
18731
18774
18781
18791
18812
18821
18832
18861
18873
18881
18891
18902
18917
18923
18948
18957
18961
18972
18988
18993
19001
19016
19023
19037
19048
190520
19068
19075
190826
190911
191015
191120
191239
191320
191429
191528
191639
191744
191835
1919184
1920375
192180
192298
1923125
1924232
1925303
1926117
1927147
1928130
1929355
1930108
1931400
1932478
1933287
1934566
1935275
1936370
1937260
1938348
1939634
1940226
1941451
1942415
1943591
1944519
1945482
1946356
1947625
1948353
1949705
1950704
1951342
1952301
1953446
1954390
1955405
1956752
1957498
1958570
1959583
1960763
1961312
1962729
1963448
1964463
1965672
1966365
1967535
1968417
1969696
1970917
1971648
1972534
1973674
1974709
1975423
1976763
1977674
19781,165
1979583
1980613
1981622
1982684
19831,235
19841,396
19851,459
19861,062
1987956
19881,266
1989553
1990900
1991957
19921,257
1993720
1994523
19951,093
1996982
1997799
19981,262
19991,087
20001,320
20011,068
20021,169
2003768
2004865
2005708
20061,105
20071,171
20081,210
2009713
20101,147
20111,452
2012699
2013981
2014491
2015637
2016868
2017966
2018723
2019743
20201,352
2021794
20222,096
20231,116
20241,216
2025711
2026760

Download the Data

  • Data for records on 1917-09-07: 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).