Built 2026-10-19 (19 October 2026)

Weather Records on 17 August 1919

37 weather records were set or tied worldwide on 17 August 1919. Highest significance: Reading Wb City, US.

Key Facts for 17 August 1919

  • On 17 August 1919, 37 weather records were set or tied at long-record stations worldwide.
  • 10 were record highs and 10 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 2 monthly and 35 daily.
  • Reading Wb City set a monthly record daily precipitation of 128.0 mm (5.0 in) on 17 August 1919.
  • Across 162 earlier years (1797 to 2026) the same calendar date averaged 476 records.

Record Map

37 stations
Weather records on 17 August 1919 37 station records on 17 August 1919 are marked on the map, coloured by record type.
37 station records on 17 August 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 17 August 1919: highest significance records shown on the map
StationCountryTypeValueSignificance
Reading Wb CityUnited StatesRecord daily precipitation128.0 mm (5.0 in)33 of 100 (Routine)
Stony MountainCanadaRecord daily precipitation39.4 mm (1.6 in)28 of 100 (Routine)
Guelph OacCanadaRecord daily precipitation27.7 mm (1.1 in)28 of 100 (Routine)
Lock #4United StatesRecord daily precipitation29.2 mm (1.1 in)22 of 100 (Routine)
Niznij NovgorodRussiaRecord daily precipitation15.1 mm (0.6 in)20 of 100 (Routine)
GravenhurstCanadaRecord daily precipitation19.1 mm (0.8 in)20 of 100 (Routine)
Greensboro Lock 7United StatesRecord daily precipitation22.9 mm (0.9 in)20 of 100 (Routine)
PeterboroughCanadaRecord daily precipitation21.6 mm (0.9 in)18 of 100 (Routine)
GoldbergGermanyRecord daily precipitation13.4 mm (0.5 in)17 of 100 (Routine)
Medicine Hat ACanadaRecord high minimum temperature18.3 C (64.9 F)16 of 100 (Routine)
LakefieldCanadaRecord daily precipitation40.9 mm (1.6 in)16 of 100 (Routine)
Kvikkjokk-ArrenjarkaSwedenRecord low minimum temperature-3.0 C (26.6 F)15 of 100 (Routine)
JokkmokkSwedenRecord low minimum temperature0.0 C (32.0 F)15 of 100 (Routine)
Harrisburg - CoopUnited StatesRecord daily precipitation25.4 mm (1.0 in)14 of 100 (Routine)
Calgary Int'l ACanadaRecord high maximum temperature31.1 C (88.0 F)13 of 100 (Routine)
JakutskRussiaRecord daily precipitation36.7 mm (1.4 in)13 of 100 (Routine)
EdmontonCanadaRecord high maximum temperature29.4 C (84.9 F)12 of 100 (Routine)
ColdwaterCanadaRecord daily precipitation19.8 mm (0.8 in)11 of 100 (Routine)
Nidingen ASwedenRecord daily precipitation10.3 mm (0.4 in)11 of 100 (Routine)
MalvernUnited StatesRecord daily precipitation18.0 mm (0.7 in)11 of 100 (Routine)
GavleSwedenRecord low minimum temperature4.0 C (39.2 F)10 of 100 (Routine)
PiteaSwedenRecord low minimum temperature3.0 C (37.4 F)10 of 100 (Routine)
Ft BidwellUnited StatesRecord high maximum temperature35.0 C (95.0 F)10 of 100 (Routine)
Sandy Cape LighthouseAustraliaRecord daily precipitation5.8 mm (0.23 in)9 of 100 (Routine)
BjurakerSwedenRecord low minimum temperature3.8 C (38.8 F)6 of 100 (Routine)
Winnemucca APUnited StatesRecord high minimum temperature16.7 C (62.1 F)4 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord low minimum temperature20.0 C (68.0 F)4 of 100 (Routine)
Oestersund-FroesoenSwedenRecord low minimum temperature2.0 C (35.6 F)3 of 100 (Routine)
VastervikSwedenRecord low minimum temperature7.0 C (44.6 F)3 of 100 (Routine)
Algiers-Ville/UniversiteAlgeriaRecord low minimum temperature19.0 C (66.2 F)2 of 100 (Routine)
Cumbalum (Fairview)AustraliaRecord daily precipitation10.7 mm (0.4 in)2 of 100 (Routine)
Stornoway AirportUnited KingdomRecord high minimum temperature13.3 C (55.9 F)2 of 100 (Routine)
Qu'appelleCanadaRecord high maximum temperature30.0 C (86.0 F)1 of 100 (Routine)
Haliburton ACanadaRecord high minimum temperature17.2 C (63.0 F)1 of 100 (Routine)
KarlshamnSwedenRecord low maximum temperature16.0 C (60.8 F)1 of 100 (Routine)
AlmaUnited StatesRecord high minimum temperature19.4 C (66.9 F)1 of 100 (Routine)
Medicine Hat ACanadaRecord high maximum temperature35.0 C (95.0 F)0 of 100 (Routine)

Counts by Type and Timescale

37 records
Records on 17 August 1919 by type Records set or tied on 17 August 1919 by type: Highest daily maximum 5, Lowest daily maximum 1, Highest daily minimum 5, Lowest daily minimum 9, Heaviest daily rainfall 17. 05101520Highest daily maximum: 5Lowest daily maximum: 1Highest daily minimum: 5Lowest daily minimum: 9Heaviest daily rainfall: 17Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 17 August 1919 by type: Highest daily maximum 5, Lowest daily maximum 1, Highest daily minimum 5, Lowest daily minimum 9, Heaviest daily rainfall 17.
Records on 17 August 1919 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum1
Highest daily minimum5
Lowest daily minimum9
Heaviest daily rainfall17
Heaviest daily snowfall0
Deepest snow cover0
Records on 17 August 1919 by timescale Records on 17 August 1919 by timescale: all-time 0, monthly 2, daily 35. 010203040all-time: 0monthly: 2daily: 35all-timemonthlydaily
Records on 17 August 1919 by timescale: all-time 0, monthly 2, daily 35.
Records on 17 August 1919 by timescale
TimescaleRecords
all-time0
monthly2
daily35

How Much Records Were Beaten By

25 broken records
Histogram of margins by which records were beaten on 17 August 1919 Margins by which the 25 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 17.0. Ties are not counted. 0510150 to 3: 113 to 5: 35 to 8: 28 to 10: 210 to 13: 313 to 15: 315 to 18: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 18
Margins by which the 25 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 17.0. Ties are not counted.
Histogram of margins by which records were beaten on 17 August 1919
MarginRecords
0 to 311
3 to 53
5 to 82
8 to 102
10 to 133
13 to 153
15 to 181

Top 20 by Significance

17 August 1919
Top 20 records on 17 August 1919 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
17 August 1919Reading Wb City, USmonthly rain128.0 mm (5.0 in)13.2 mm (0.5 in)30 years33 of 100 (Routine)
17 August 1919Stony Mountain, CAdaily rain39.4 mm (1.6 in)12.5 mm (0.5 in)38 years28 of 100 (Routine)
17 August 1919Guelph Oac, CAdaily rain27.7 mm (1.1 in)17.0 mm (0.7 in)30 years28 of 100 (Routine)
17 August 1919Lock #4, USdaily rain29.2 mm (1.1 in)11.4 mm (0.4 in)30 years22 of 100 (Routine)
17 August 1919Niznij Novgorod, RUdaily rain15.1 mm (0.6 in)8.6 mm (0.34 in)26 years20 of 100 (Routine)
17 August 1919Gravenhurst, CAdaily rain19.1 mm (0.8 in)10.7 mm (0.4 in)28 years20 of 100 (Routine)
17 August 1919Greensboro Lock 7, USdaily rain22.9 mm (0.9 in)9.7 mm (0.38 in)25 years20 of 100 (Routine)
17 August 1919Peterborough, CAdaily rain21.6 mm (0.9 in)6.4 mm (0.25 in)25 years18 of 100 (Routine)
17 August 1919Goldberg, DEdaily rain13.4 mm (0.5 in)4.1 mm (0.16 in)28 years17 of 100 (Routine)
17 August 1919Medicine Hat A, CAdaily high min18.3 C (64.9 F)3.3 C (5.9 F)16 years16 of 100 (Routine)
17 August 1919Lakefield, CAdaily rain40.9 mm (1.6 in)14.5 mm (0.6 in)4 years16 of 100 (Routine)
17 August 1919Kvikkjokk-Arrenjarka, SEdaily low min-3.0 C (26.6 F)2.0 C (3.6 F)25 years15 of 100 (Routine)
17 August 1919Jokkmokk, SEdaily low min0.0 C (32.0 F)1.5 C (2.7 F)27 years15 of 100 (Routine)
17 August 1919Harrisburg - Coop, USdaily rain25.4 mm (1.0 in)10.9 mm (0.4 in)14 years14 of 100 (Routine)
17 August 1919Calgary Int'l A, CAdaily high max31.1 C (88.0 F)1.7 C (3.1 F)25 years13 of 100 (Routine)
17 August 1919Jakutsk, RUmonthly rain36.7 mm (1.4 in)0.5 mm (0.02 in)1 year13 of 100 (Routine)
17 August 1919Edmonton, CAdaily high max29.4 C (84.9 F)1.1 C (2.0 F)20 years12 of 100 (Routine)
17 August 1919Coldwater, CAdaily rain19.8 mm (0.8 in)7.4 mm (0.29 in)4 years11 of 100 (Routine)
17 August 1919Nidingen A, SEdaily rain10.3 mm (0.4 in)0.2 mm (0.01 in)29 years11 of 100 (Routine)
17 August 1919Malvern, USdaily rain18.0 mm (0.7 in)2.8 mm (0.11 in)25 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

1797 to 1919
Records on 08-17 in each year Records set or tied on this calendar date in each year from 1797 to 1919. 1919 had 37 records. 05001,0001,5002,0001797: 21802: 21820: 21837: 11838: 21841: 21842: 11845: 21853: 11854: 11856: 11857: 11861: 31862: 11867: 11868: 31869: 11872: 11875: 21876: 51879: 11881: 11882: 11883: 21885: 31886: 11888: 51891: 11892: 31893: 21894: 31895: 21896: 31897: 11898: 51899: 81900: 31901: 141902: 71903: 61904: 21905: 111906: 281907: 91908: 261909: 241910: 171911: 181912: 311913: 791914: 411915: 281916: 331917: 351918: 1121919: 371920: 1101921: 371922: 1691923: 1611924: 1711925: 1301926: 1821927: 2281928: 1311929: 2431930: 1381931: 3021932: 3601933: 2601934: 3771935: 4371936: 6701937: 7261938: 4661939: 3641940: 3411941: 3781942: 4611943: 7431944: 5311945: 3871946: 4331947: 6821948: 4751949: 3711950: 5221951: 4131952: 4701953: 3451954: 6851955: 4651956: 4071957: 5041958: 5191959: 5431960: 5331961: 9981962: 4451963: 6501964: 4101965: 6411966: 4961967: 6791968: 9531969: 5931970: 4671971: 4471972: 1,0441973: 7501974: 5821975: 6121976: 7971977: 1,2161978: 8141979: 1,4641980: 8951981: 1,1121982: 5541983: 1,5741984: 7261985: 9481986: 9161987: 1,1501988: 1,6081989: 6871990: 9491991: 5601992: 1,8131993: 8031994: 1,0381995: 1,7241996: 7521997: 1,5441998: 1,0031999: 6972000: 9942001: 1,1012002: 1,2662003: 9482004: 1,0462005: 7222006: 8142007: 1,6462008: 1,3012009: 9222010: 1,1052011: 9562012: 1,2152013: 8022014: 9972015: 8902016: 7482017: 5442018: 5182019: 4672020: 1,5292021: 8002022: 1,4282023: 1,0322024: 7402025: 5382026: 5351797187218981915193219491966198320002017
Records set or tied on this calendar date in each year from 1797 to 1919. 1919 had 37 records.
Counts for years before the ledger starts come from the same station rules.
Records on 08-17 in each year
YearRecords
17972
18022
18202
18371
18382
18412
18421
18452
18531
18541
18561
18571
18613
18621
18671
18683
18691
18721
18752
18765
18791
18811
18821
18832
18853
18861
18885
18911
18923
18932
18943
18952
18963
18971
18985
18998
19003
190114
19027
19036
19042
190511
190628
19079
190826
190924
191017
191118
191231
191379
191441
191528
191633
191735
1918112
191937
1920110
192137
1922169
1923161
1924171
1925130
1926182
1927228
1928131
1929243
1930138
1931302
1932360
1933260
1934377
1935437
1936670
1937726
1938466
1939364
1940341
1941378
1942461
1943743
1944531
1945387
1946433
1947682
1948475
1949371
1950522
1951413
1952470
1953345
1954685
1955465
1956407
1957504
1958519
1959543
1960533
1961998
1962445
1963650
1964410
1965641
1966496
1967679
1968953
1969593
1970467
1971447
19721,044
1973750
1974582
1975612
1976797
19771,216
1978814
19791,464
1980895
19811,112
1982554
19831,574
1984726
1985948
1986916
19871,150
19881,608
1989687
1990949
1991560
19921,813
1993803
19941,038
19951,724
1996752
19971,544
19981,003
1999697
2000994
20011,101
20021,266
2003948
20041,046
2005722
2006814
20071,646
20081,301
2009922
20101,105
2011956
20121,215
2013802
2014997
2015890
2016748
2017544
2018518
2019467
20201,529
2021800
20221,428
20231,032
2024740
2025538
2026535

Download the Data

  • Data for records on 1919-08-17: 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).