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

Weather Records on 9 July 1917

19 weather records were set or tied worldwide on 9 July 1917. Highest significance: Welland, CA.

Key Facts for 9 July 1917

  • On 9 July 1917, 19 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 8 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 19 daily.
  • Welland set a daily record precipitation of 35.1 mm (1.4 in) on 9 July 1917.
  • Across 162 earlier years (1793 to 2026) the same calendar date averaged 447 records.

Record Map

19 stations
Weather records on 9 July 1917 19 station records on 9 July 1917 are marked on the map, coloured by record type.
19 station records on 9 July 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 9 July 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
WellandCanadaRecord daily precipitation35.1 mm (1.4 in)35 of 100 (Notable)
Owen SoundCanadaRecord daily precipitation41.9 mm (1.6 in)31 of 100 (Routine)
HoofddorpNetherlandsRecord daily precipitation25.3 mm (1.0 in)27 of 100 (Routine)
ZerbstGermanyRecord daily precipitation22.3 mm (0.9 in)20 of 100 (Routine)
Port DoverCanadaRecord daily precipitation20.3 mm (0.8 in)20 of 100 (Routine)
Zagreb-GricCroatiaRecord daily precipitation39.9 mm (1.6 in)18 of 100 (Routine)
White RiverCanadaRecord daily precipitation19.6 mm (0.8 in)16 of 100 (Routine)
TartuEstoniaRecord low minimum temperature5.3 C (41.5 F)15 of 100 (Routine)
ColdwaterCanadaRecord daily precipitation10.9 mm (0.4 in)13 of 100 (Routine)
JokkmokkSwedenRecord low minimum temperature2.5 C (36.5 F)13 of 100 (Routine)
Kingston Queens UCanadaRecord low maximum temperature18.9 C (66.0 F)12 of 100 (Routine)
BorasSwedenRecord low minimum temperature5.5 C (41.9 F)12 of 100 (Routine)
Blue Hill CoopUnited StatesRecord low maximum temperature16.7 C (62.1 F)12 of 100 (Routine)
Wrixum/FohrGermanyRecord daily precipitation16.5 mm (0.6 in)10 of 100 (Routine)
Cobar Post OfficeAustraliaRecord high minimum temperature11.1 C (52.0 F)9 of 100 (Routine)
Kirchdorf/PoelGermanyRecord daily precipitation18.5 mm (0.7 in)7 of 100 (Routine)
HalifaxCanadaRecord low maximum temperature16.1 C (61.0 F)2 of 100 (Routine)
PiteaSwedenRecord low minimum temperature6.0 C (42.8 F)2 of 100 (Routine)
PortlandUnited StatesRecord low maximum temperature16.7 C (62.1 F)2 of 100 (Routine)

Counts by Type and Timescale

19 records
Records on 9 July 1917 by type Records set or tied on 9 July 1917 by type: Lowest daily maximum 4, Highest daily minimum 1, Lowest daily minimum 4, Heaviest daily rainfall 10. 035810Highest daily maximum: 0Lowest daily maximum: 4Highest daily minimum: 1Lowest daily minimum: 4Heaviest daily rainfall: 10Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 9 July 1917 by type: Lowest daily maximum 4, Highest daily minimum 1, Lowest daily minimum 4, Heaviest daily rainfall 10.
Records on 9 July 1917 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum4
Highest daily minimum1
Lowest daily minimum4
Heaviest daily rainfall10
Heaviest daily snowfall0
Deepest snow cover0
Records on 9 July 1917 by timescale Records on 9 July 1917 by timescale: all-time 0, monthly 0, daily 19. 05101520all-time: 0monthly: 0daily: 19all-timemonthlydaily
Records on 9 July 1917 by timescale: all-time 0, monthly 0, daily 19.
Records on 9 July 1917 by timescale
TimescaleRecords
all-time0
monthly0
daily19

How Much Records Were Beaten By

16 broken records
Histogram of margins by which records were beaten on 9 July 1917 Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 28.4. Ties are not counted. 0358100 to 5: 95 to 10: 310 to 15: 215 to 20: 020 to 25: 125 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 28.4. Ties are not counted.
Histogram of margins by which records were beaten on 9 July 1917
MarginRecords
0 to 59
5 to 103
10 to 152
15 to 200
20 to 251
25 to 301

Top 20 by Significance

9 July 1917
Top 19 records on 9 July 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
9 July 1917Welland, CAdaily rain35.1 mm (1.4 in)24.9 mm (1.0 in)42 years35 of 100 (Notable)
9 July 1917Owen Sound, CAdaily rain41.9 mm (1.6 in)28.4 mm (1.1 in)29 years31 of 100 (Routine)
9 July 1917Hoofddorp, NLdaily rain25.3 mm (1.0 in)11.8 mm (0.5 in)8 years27 of 100 (Routine)
9 July 1917Zerbst, DEdaily rain22.3 mm (0.9 in)14.3 mm (0.6 in)18 years20 of 100 (Routine)
9 July 1917Port Dover, CAdaily rain20.3 mm (0.8 in)7.9 mm (0.31 in)36 years20 of 100 (Routine)
9 July 1917Zagreb-Gric, HRdaily rain39.9 mm (1.6 in)3.7 mm (0.15 in)35 years18 of 100 (Routine)
9 July 1917White River, CAdaily rain19.6 mm (0.8 in)7.9 mm (0.31 in)16 years16 of 100 (Routine)
9 July 1917Tartu, EEdaily low min5.3 C (41.5 F)1.3 C (2.3 F)29 years15 of 100 (Routine)
9 July 1917Coldwater, CAdaily rain10.9 mm (0.4 in)6.1 mm (0.24 in)16 years13 of 100 (Routine)
9 July 1917Jokkmokk, SEdaily low min2.5 C (36.5 F)0.5 C (0.9 F)30 years13 of 100 (Routine)
9 July 1917Kingston Queens U, CAdaily low max18.9 C (66.0 F)1.1 C (2.0 F)16 years12 of 100 (Routine)
9 July 1917Boras, SEdaily low min5.5 C (41.9 F)0.5 C (0.9 F)29 years12 of 100 (Routine)
9 July 1917Blue Hill Coop, USdaily low max16.7 C (62.1 F)1.1 C (2.0 F)25 years12 of 100 (Routine)
9 July 1917Wrixum/Fohr, DEdaily rain16.5 mm (0.6 in)2.5 mm (0.10 in)15 years10 of 100 (Routine)
9 July 1917Cobar Post Office, AUdaily high min11.1 C (52.0 F)1.1 C (2.0 F)12 years9 of 100 (Routine)
9 July 1917Kirchdorf/Poel, DEdaily rain18.5 mm (0.7 in)0.2 mm (0.01 in)8 years7 of 100 (Routine)
9 July 1917Halifax, CAdaily low max (Tie)16.1 C (61.0 F)tie16 years2 of 100 (Routine)
9 July 1917Pitea, SEdaily low min (Tie)6.0 C (42.8 F)tie28 years2 of 100 (Routine)
9 July 1917Portland, USdaily low max (Tie)16.7 C (62.1 F)tie16 years2 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

1793 to 1917
Records on 07-09 in each year Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 19 records. 05001,0001,5002,0001793: 11815: 31826: 11828: 21837: 11845: 21847: 11852: 11856: 11859: 11860: 11861: 11865: 11867: 41868: 11870: 21871: 11873: 11874: 21875: 11876: 41879: 11886: 31887: 21888: 41889: 11890: 21891: 31892: 31893: 31894: 31895: 21896: 41897: 21898: 41899: 51900: 101901: 101902: 81903: 151904: 311905: 281906: 41907: 101908: 161909: 161910: 191911: 261912: 281913: 421914: 541915: 421916: 431917: 191918: 601919: 331920: 281921: 731922: 1451923: 901924: 1401925: 1351926: 2421927: 1231928: 1151929: 2501930: 4361931: 2021932: 2161933: 4441934: 3391935: 4331936: 1,1281937: 2741938: 1961939: 3451940: 3191941: 2731942: 3241943: 2521944: 4151945: 3711946: 4361947: 6841948: 3771949: 4331950: 5221951: 5021952: 6941953: 4501954: 4791955: 5131956: 4381957: 3851958: 4721959: 4831960: 3321961: 5641962: 2531963: 1,0291964: 4251965: 4441966: 4281967: 2161968: 6451969: 6191970: 4711971: 4061972: 6061973: 5881974: 1,0131975: 5671976: 7401977: 6171978: 8821979: 7211980: 9701981: 1,0091982: 5981983: 1,0391984: 7831985: 1,2281986: 8431987: 8821988: 1,1091989: 9651990: 7701991: 1,2951992: 1,1261993: 1,4541994: 1,1511995: 9391996: 1,6901997: 9301998: 1,4031999: 9522000: 1,0552001: 9652002: 1,1272003: 9062004: 8242005: 1,3732006: 9652007: 9492008: 1,1882009: 1,1652010: 1,4772011: 1,0472012: 9042013: 4782014: 8062015: 1,2212016: 6312017: 6382018: 5552019: 6022020: 6142021: 1,1982022: 6742023: 8332024: 1,5302025: 6962026: 5081793187318981915193219491966198320002017
Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 19 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-09 in each year
YearRecords
17931
18153
18261
18282
18371
18452
18471
18521
18561
18591
18601
18611
18651
18674
18681
18702
18711
18731
18742
18751
18764
18791
18863
18872
18884
18891
18902
18913
18923
18933
18943
18952
18964
18972
18984
18995
190010
190110
19028
190315
190431
190528
19064
190710
190816
190916
191019
191126
191228
191342
191454
191542
191643
191719
191860
191933
192028
192173
1922145
192390
1924140
1925135
1926242
1927123
1928115
1929250
1930436
1931202
1932216
1933444
1934339
1935433
19361,128
1937274
1938196
1939345
1940319
1941273
1942324
1943252
1944415
1945371
1946436
1947684
1948377
1949433
1950522
1951502
1952694
1953450
1954479
1955513
1956438
1957385
1958472
1959483
1960332
1961564
1962253
19631,029
1964425
1965444
1966428
1967216
1968645
1969619
1970471
1971406
1972606
1973588
19741,013
1975567
1976740
1977617
1978882
1979721
1980970
19811,009
1982598
19831,039
1984783
19851,228
1986843
1987882
19881,109
1989965
1990770
19911,295
19921,126
19931,454
19941,151
1995939
19961,690
1997930
19981,403
1999952
20001,055
2001965
20021,127
2003906
2004824
20051,373
2006965
2007949
20081,188
20091,165
20101,477
20111,047
2012904
2013478
2014806
20151,221
2016631
2017638
2018555
2019602
2020614
20211,198
2022674
2023833
20241,530
2025696
2026508

Download the Data

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