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Built 2026-10-19 (19 October 2026)

Weather Records on 31 July 1911

29 weather records were set or tied worldwide on 31 July 1911. Highest significance: San Diego Wbo, US.

Key Facts for 31 July 1911

  • On 31 July 1911, 29 weather records were set or tied at long-record stations worldwide.
  • 16 were record highs and 2 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 29 daily.
  • San Diego Wbo set a daily record high maximum temperature of 31.1 C (88.0 F) on 31 July 1911.
  • Across 155 earlier years (1804 to 2026) the same calendar date averaged 474 records.

Record Map

29 stations
Weather records on 31 July 1911 29 station records on 31 July 1911 are marked on the map, coloured by record type.
29 station records on 31 July 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 31 July 1911: highest significance records shown on the map
StationCountryTypeValueSignificance
San Diego WboUnited StatesRecord high maximum temperature31.1 C (88.0 F)38 of 100 (Notable)
Kiandra ChaletAustraliaRecord daily precipitation74.7 mm (2.9 in)30 of 100 (Routine)
Bright Post OfficeAustraliaRecord daily precipitation27.7 mm (1.1 in)22 of 100 (Routine)
FraserburgSouth AfricaRecord daily precipitation19.6 mm (0.8 in)20 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord daily precipitation14.7 mm (0.6 in)20 of 100 (Routine)
Perth Regional OfficeAustraliaRecord daily precipitation47.8 mm (1.9 in)19 of 100 (Routine)
DaylesfordAustraliaRecord daily precipitation21.6 mm (0.9 in)19 of 100 (Routine)
RivaItalyRecord high minimum temperature24.7 C (76.5 F)18 of 100 (Routine)
Chattanooga Wb CityUnited StatesRecord daily precipitation40.1 mm (1.6 in)18 of 100 (Routine)
BeatriceCanadaRecord high maximum temperature31.1 C (88.0 F)17 of 100 (Routine)
Parry SoundCanadaRecord high maximum temperature31.1 C (88.0 F)17 of 100 (Routine)
Warragul (Carbethon)AustraliaRecord daily precipitation29.2 mm (1.1 in)16 of 100 (Routine)
Montreal McGillCanadaRecord high maximum temperature30.6 C (87.1 F)16 of 100 (Routine)
FreiburgGermanyRecord high maximum temperature31.8 C (89.2 F)14 of 100 (Routine)
ArnsbergGermanyRecord high minimum temperature17.5 C (63.5 F)14 of 100 (Routine)
StonecliffeCanadaRecord high maximum temperature32.2 C (90.0 F)13 of 100 (Routine)
LindsayCanadaRecord high maximum temperature32.2 C (90.0 F)13 of 100 (Routine)
BambergGermanyRecord high minimum temperature18.1 C (64.6 F)13 of 100 (Routine)
FreiburgGermanyRecord high minimum temperature19.5 C (67.1 F)13 of 100 (Routine)
EscanabaUnited StatesRecord daily precipitation20.1 mm (0.8 in)13 of 100 (Routine)
Chattanooga Wb CityUnited StatesRecord low maximum temperature24.4 C (75.9 F)13 of 100 (Routine)
Yan YeanAustraliaRecord daily precipitation11.4 mm (0.4 in)12 of 100 (Routine)
ArnsbergGermanyRecord high maximum temperature32.5 C (90.5 F)11 of 100 (Routine)
BuffaloUnited StatesRecord high maximum temperature31.1 C (88.0 F)11 of 100 (Routine)
WickliffeAustraliaRecord daily precipitation10.9 mm (0.4 in)10 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord high minimum temperature15.5 C (59.9 F)7 of 100 (Routine)
GravenhurstCanadaRecord high maximum temperature31.7 C (89.1 F)3 of 100 (Routine)
Jena SternwarteGermanyRecord high maximum temperature33.2 C (91.8 F)3 of 100 (Routine)
Winnemucca APUnited StatesRecord low minimum temperature7.2 C (45.0 F)3 of 100 (Routine)

Counts by Type and Timescale

29 records
Records on 31 July 1911 by type Records set or tied on 31 July 1911 by type: Highest daily maximum 11, Lowest daily maximum 1, Highest daily minimum 5, Lowest daily minimum 1, Heaviest daily rainfall 11. 051015Highest daily maximum: 11Lowest daily maximum: 1Highest daily minimum: 5Lowest daily minimum: 1Heaviest daily rainfall: 11Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 31 July 1911 by type: Highest daily maximum 11, Lowest daily maximum 1, Highest daily minimum 5, Lowest daily minimum 1, Heaviest daily rainfall 11.
Records on 31 July 1911 by type
Record typeRecords
Highest daily maximum11
Lowest daily maximum1
Highest daily minimum5
Lowest daily minimum1
Heaviest daily rainfall11
Heaviest daily snowfall0
Deepest snow cover0
Records on 31 July 1911 by timescale Records on 31 July 1911 by timescale: all-time 0, monthly 0, daily 29. 0102030all-time: 0monthly: 0daily: 29all-timemonthlydaily
Records on 31 July 1911 by timescale: all-time 0, monthly 0, daily 29.
Records on 31 July 1911 by timescale
TimescaleRecords
all-time0
monthly0
daily29

How Much Records Were Beaten By

26 broken records
Histogram of margins by which records were beaten on 31 July 1911 Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.6. Ties are not counted. 051015200 to 5: 195 to 10: 210 to 15: 215 to 20: 220 to 25: 025 to 30: 030 to 35: 035 to 40: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 3535 to 40
Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.6. Ties are not counted.
Histogram of margins by which records were beaten on 31 July 1911
MarginRecords
0 to 519
5 to 102
10 to 152
15 to 202
20 to 250
25 to 300
30 to 350
35 to 401

Top 20 by Significance

31 July 1911
Top 20 records on 31 July 1911 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
31 July 1911San Diego Wbo, USdaily high max31.1 C (88.0 F)5.5 C (9.9 F)25 years38 of 100 (Notable)
31 July 1911Kiandra Chalet, AUdaily rain74.7 mm (2.9 in)38.6 mm (1.5 in)4 years30 of 100 (Routine)
31 July 1911Bright Post Office, AUdaily rain27.7 mm (1.1 in)12.7 mm (0.5 in)23 years22 of 100 (Routine)
31 July 1911Fraserburg, ZAdaily rain19.6 mm (0.8 in)17.1 mm (0.7 in)21 years20 of 100 (Routine)
31 July 1911Melbourne Regional Office, AUdaily rain14.7 mm (0.6 in)2.0 mm (0.08 in)49 years20 of 100 (Routine)
31 July 1911Perth Regional Office, AUdaily rain47.8 mm (1.9 in)16.6 mm (0.7 in)4 years19 of 100 (Routine)
31 July 1911Daylesford, AUdaily rain21.6 mm (0.9 in)2.5 mm (0.10 in)40 years19 of 100 (Routine)
31 July 1911Riva, ITdaily high min24.7 C (76.5 F)2.0 C (3.6 F)25 years18 of 100 (Routine)
31 July 1911Chattanooga Wb City, USdaily rain40.1 mm (1.6 in)10.4 mm (0.4 in)19 years18 of 100 (Routine)
31 July 1911Beatrice, CAdaily high max31.1 C (88.0 F)1.7 C (3.1 F)33 years17 of 100 (Routine)
31 July 1911Parry Sound, CAdaily high max31.1 C (88.0 F)1.7 C (3.1 F)33 years17 of 100 (Routine)
31 July 1911Warragul (Carbethon), AUdaily rain29.2 mm (1.1 in)5.6 mm (0.22 in)16 years16 of 100 (Routine)
31 July 1911Montreal McGill, CAdaily high max30.6 C (87.1 F)0.6 C (1.1 F)37 years16 of 100 (Routine)
31 July 1911Freiburg, DEdaily high max31.8 C (89.2 F)1.8 C (3.2 F)23 years14 of 100 (Routine)
31 July 1911Arnsberg, DEdaily high min17.5 C (63.5 F)0.9 C (1.6 F)29 years14 of 100 (Routine)
31 July 1911Stonecliffe, CAdaily high max32.2 C (90.0 F)0.5 C (0.9 F)31 years13 of 100 (Routine)
31 July 1911Lindsay, CAdaily high max32.2 C (90.0 F)0.5 C (0.9 F)30 years13 of 100 (Routine)
31 July 1911Bamberg, DEdaily high min18.1 C (64.6 F)1.0 C (1.8 F)23 years13 of 100 (Routine)
31 July 1911Freiburg, DEdaily high min19.5 C (67.1 F)0.8 C (1.4 F)29 years13 of 100 (Routine)
31 July 1911Escanaba, USdaily rain20.1 mm (0.8 in)1.0 mm (0.04 in)27 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

1804 to 1911
Records on 07-31 in each year Records set or tied on this calendar date in each year from 1804 to 1911. 1911 had 29 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 1911. 1911 had 29 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 1911-07-31: 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).