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Built 2026-10-19 (19 October 2026)

Weather Records on 31 July 1919

27 weather records were set or tied worldwide on 31 July 1919. Highest significance: Medford, US.

Key Facts for 31 July 1919

  • On 31 July 1919, 27 weather records were set or tied at long-record stations worldwide.
  • 4 were record highs and 10 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 27 daily.
  • Medford set a daily record precipitation of 48.3 mm (1.9 in) on 31 July 1919.
  • Across 155 earlier years (1804 to 2026) the same calendar date averaged 474 records.

Record Map

27 stations
Weather records on 31 July 1919 27 station records on 31 July 1919 are marked on the map, coloured by record type.
27 station records on 31 July 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 31 July 1919: highest significance records shown on the map
StationCountryTypeValueSignificance
MedfordUnited StatesRecord daily precipitation48.3 mm (1.9 in)27 of 100 (Routine)
HalifaxCanadaRecord low minimum temperature8.3 C (46.9 F)20 of 100 (Routine)
Minimay (Booroopki)AustraliaRecord daily precipitation13.7 mm (0.5 in)16 of 100 (Routine)
Bass (Kilcunda)AustraliaRecord daily precipitation16.0 mm (0.6 in)15 of 100 (Routine)
Dubuque RiverUnited StatesRecord daily precipitation20.1 mm (0.8 in)15 of 100 (Routine)
Port VictoriaAustraliaRecord daily precipitation7.6 mm (0.30 in)14 of 100 (Routine)
PortlandAustraliaRecord daily precipitation17.8 mm (0.7 in)14 of 100 (Routine)
Warrnambool Shire OfficeAustraliaRecord daily precipitation17.5 mm (0.7 in)14 of 100 (Routine)
HamiltonAustraliaRecord daily precipitation11.4 mm (0.4 in)12 of 100 (Routine)
MalvernUnited StatesRecord high minimum temperature23.9 C (75.0 F)12 of 100 (Routine)
Algiers-Ville/UniversiteAlgeriaRecord low maximum temperature25.0 C (77.0 F)11 of 100 (Routine)
Lillimur EstateAustraliaRecord daily precipitation11.7 mm (0.5 in)11 of 100 (Routine)
ParisCanadaRecord daily precipitation7.6 mm (0.30 in)11 of 100 (Routine)
SturtAustraliaRecord daily precipitation11.2 mm (0.4 in)9 of 100 (Routine)
Sidi-Bel-AbbesAlgeriaRecord low maximum temperature30.0 C (86.0 F)7 of 100 (Routine)
EnisejskRussiaRecord low minimum temperature2.7 C (36.9 F)7 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low maximum temperature24.0 C (75.2 F)5 of 100 (Routine)
SimferopolUkraineRecord low minimum temperature9.6 C (49.3 F)5 of 100 (Routine)
Saint JohnCanadaRecord low minimum temperature10.0 C (50.0 F)4 of 100 (Routine)
TashkentUzbekistanRecord high maximum temperature41.8 C (107.2 F)4 of 100 (Routine)
Lincoln UNIV Pwr PltUnited StatesRecord high minimum temperature23.3 C (73.9 F)3 of 100 (Routine)
Portland Rfc CityUnited StatesRecord low maximum temperature20.6 C (69.1 F)3 of 100 (Routine)
Fort NationalAlgeriaRecord low maximum temperature24.0 C (75.2 F)2 of 100 (Routine)
Harrow (Pine Hills)AustraliaRecord daily precipitation7.9 mm (0.31 in)2 of 100 (Routine)
BicCanadaRecord daily precipitation12.7 mm (0.5 in)2 of 100 (Routine)
Houston Wb CityUnited StatesRecord high minimum temperature25.0 C (77.0 F)2 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low minimum temperature10.6 C (51.1 F)2 of 100 (Routine)

Counts by Type and Timescale

27 records
Records on 31 July 1919 by type Records set or tied on 31 July 1919 by type: Highest daily maximum 1, Lowest daily maximum 5, Highest daily minimum 3, Lowest daily minimum 5, Heaviest daily rainfall 13. 051015Highest daily maximum: 1Lowest daily maximum: 5Highest daily minimum: 3Lowest daily minimum: 5Heaviest daily rainfall: 13Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 31 July 1919 by type: Highest daily maximum 1, Lowest daily maximum 5, Highest daily minimum 3, Lowest daily minimum 5, Heaviest daily rainfall 13.
Records on 31 July 1919 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum5
Highest daily minimum3
Lowest daily minimum5
Heaviest daily rainfall13
Heaviest daily snowfall0
Deepest snow cover0
Records on 31 July 1919 by timescale Records on 31 July 1919 by timescale: all-time 0, monthly 0, daily 27. 0102030all-time: 0monthly: 0daily: 27all-timemonthlydaily
Records on 31 July 1919 by timescale: all-time 0, monthly 0, daily 27.
Records on 31 July 1919 by timescale
TimescaleRecords
all-time0
monthly0
daily27

How Much Records Were Beaten By

18 broken records
Histogram of margins by which records were beaten on 31 July 1919 Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 22.4. Ties are not counted. 051015200 to 5: 175 to 10: 010 to 15: 015 to 20: 020 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 22.4. Ties are not counted.
Histogram of margins by which records were beaten on 31 July 1919
MarginRecords
0 to 517
5 to 100
10 to 150
15 to 200
20 to 251

Top 20 by Significance

31 July 1919
Top 20 records on 31 July 1919 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
31 July 1919Medford, USdaily rain48.3 mm (1.9 in)22.4 mm (0.9 in)22 years27 of 100 (Routine)
31 July 1919Halifax, CAdaily low min8.3 C (46.9 F)0.6 C (1.1 F)46 years20 of 100 (Routine)
31 July 1919Minimay (Booroopki), AUdaily rain13.7 mm (0.5 in)2.8 mm (0.11 in)24 years16 of 100 (Routine)
31 July 1919Bass (Kilcunda), AUdaily rain16.0 mm (0.6 in)3.6 mm (0.14 in)24 years15 of 100 (Routine)
31 July 1919Dubuque River, USdaily rain20.1 mm (0.8 in)0.8 mm (0.03 in)38 years15 of 100 (Routine)
31 July 1919Port Victoria, AUdaily rain7.6 mm (0.30 in)2.3 mm (0.09 in)16 years14 of 100 (Routine)
31 July 1919Portland, AUdaily rain17.8 mm (0.7 in)2.3 mm (0.09 in)20 years14 of 100 (Routine)
31 July 1919Warrnambool Shire Office, AUdaily rain17.5 mm (0.7 in)3.0 mm (0.12 in)12 years14 of 100 (Routine)
31 July 1919Hamilton, AUdaily rain11.4 mm (0.4 in)0.7 mm (0.03 in)24 years12 of 100 (Routine)
31 July 1919Malvern, USdaily high min23.9 C (75.0 F)0.6 C (1.1 F)23 years12 of 100 (Routine)
31 July 1919Algiers-Ville/Universite, DZdaily low max25.0 C (77.0 F)1.6 C (2.9 F)16 years11 of 100 (Routine)
31 July 1919Lillimur Estate, AUdaily rain11.7 mm (0.5 in)2.0 mm (0.08 in)16 years11 of 100 (Routine)
31 July 1919Paris, CAdaily rain7.6 mm (0.30 in)2.0 mm (0.08 in)14 years11 of 100 (Routine)
31 July 1919Sturt, AUdaily rain11.2 mm (0.4 in)2.1 mm (0.08 in)8 years9 of 100 (Routine)
31 July 1919Sidi-Bel-Abbes, DZdaily low max30.0 C (86.0 F)1.0 C (1.8 F)5 years7 of 100 (Routine)
31 July 1919Enisejsk, RUdaily low min2.7 C (36.9 F)1.0 C (1.8 F)6 years7 of 100 (Routine)
31 July 1919Oran-Hopital Militaire, DZdaily low max (Tie)24.0 C (75.2 F)tie58 years5 of 100 (Routine)
31 July 1919Simferopol, UAdaily low min9.6 C (49.3 F)0.5 C (0.9 F)5 years5 of 100 (Routine)
31 July 1919Saint John, CAdaily low min (Tie)10.0 C (50.0 F)tie46 years4 of 100 (Routine)
31 July 1919Tashkent, UZdaily high max41.8 C (107.2 F)0.5 C (0.9 F)2 years4 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

1804 to 1919
Records on 07-31 in each year Records set or tied on this calendar date in each year from 1804 to 1919. 1919 had 27 records. 05001,0001,5002,0001804: 11815: 11816: 11828: 11834: 11839: 11840: 11841: 21851: 11858: 21860: 41863: 11866: 11873: 21876: 11879: 11884: 11885: 11886: 11887: 51889: 21890: 21891: 11892: 11893: 31894: 21896: 21897: 21898: 51900: 11901: 31902: 41903: 161904: 121905: 101906: 141907: 171908: 221909: 151910: 211911: 291912: 141913: 311914: 281915: 711916: 631917: 1261918: 391919: 271920: 1681921: 1121922: 241923: 2361924: 971925: 3491926: 2261927: 1611928: 1451929: 1341930: 1431931: 4411932: 3141933: 5041934: 4491935: 4181936: 5481937: 2971938: 4171939: 3571940: 4151941: 3231942: 3421943: 3421944: 3121945: 4991946: 4261947: 3411948: 3411949: 4061950: 5111951: 3641952: 4721953: 4141954: 4591955: 8131956: 5741957: 2681958: 3741959: 4241960: 6221961: 5041962: 3481963: 2941964: 6371965: 8581966: 6061967: 3261968: 6371969: 4401970: 5761971: 1,8501972: 6671973: 5831974: 3631975: 1,3861976: 5301977: 5431978: 7541979: 5011980: 1,0471981: 6721982: 7671983: 9011984: 7771985: 1,0651986: 1,0211987: 9341988: 9401989: 1,7531990: 9111991: 6471992: 1,1691993: 1,0311994: 1,2071995: 1,2231996: 1,0841997: 9841998: 1,1951999: 1,6432000: 1,0012001: 1,4142002: 1,0802003: 1,1572004: 7792005: 7422006: 1,4052007: 1,0232008: 9112009: 1,1562010: 1,4852011: 1,0402012: 7122013: 4692014: 1,0002015: 9482016: 5012017: 4852018: 1,1352019: 5512020: 1,0342021: 1,0202022: 8612023: 6712024: 7482025: 8362026: 7541804188419031919193519511967198319992015
Records set or tied on this calendar date in each year from 1804 to 1919. 1919 had 27 records.
Counts for years before the ledger starts come from the same station rules.
Records on 07-31 in each year
YearRecords
18041
18151
18161
18281
18341
18391
18401
18412
18511
18582
18604
18631
18661
18732
18761
18791
18841
18851
18861
18875
18892
18902
18911
18921
18933
18942
18962
18972
18985
19001
19013
19024
190316
190412
190510
190614
190717
190822
190915
191021
191129
191214
191331
191428
191571
191663
1917126
191839
191927
1920168
1921112
192224
1923236
192497
1925349
1926226
1927161
1928145
1929134
1930143
1931441
1932314
1933504
1934449
1935418
1936548
1937297
1938417
1939357
1940415
1941323
1942342
1943342
1944312
1945499
1946426
1947341
1948341
1949406
1950511
1951364
1952472
1953414
1954459
1955813
1956574
1957268
1958374
1959424
1960622
1961504
1962348
1963294
1964637
1965858
1966606
1967326
1968637
1969440
1970576
19711,850
1972667
1973583
1974363
19751,386
1976530
1977543
1978754
1979501
19801,047
1981672
1982767
1983901
1984777
19851,065
19861,021
1987934
1988940
19891,753
1990911
1991647
19921,169
19931,031
19941,207
19951,223
19961,084
1997984
19981,195
19991,643
20001,001
20011,414
20021,080
20031,157
2004779
2005742
20061,405
20071,023
2008911
20091,156
20101,485
20111,040
2012712
2013469
20141,000
2015948
2016501
2017485
20181,135
2019551
20201,034
20211,020
2022861
2023671
2024748
2025836
2026754

Download the Data

  • Data for records on 1919-07-31: 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).