Weather Records on 31 July 1915

71 weather records were set or tied worldwide on 31 July 1915. Highest significance: Windsor Riverside, CA.

Key Facts for 31 July 1915

On 31 July 1915, 71 weather records were set or tied at long-record stations worldwide.
25 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 70 daily.
Windsor Riverside set a daily record precipitation of 44.5 mm (1.8 in) on 31 July 1915.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 474 records.

Record Map

71 stations

71 station records on 31 July 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Windsor Riverside	Canada	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Madison Wb City	United States	Record daily precipitation	40.4 mm (1.6 in)	27 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	33.3 C (91.9 F)	22 of 100 (Routine)
Lake Corrong	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Kerang (Tragowell)	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Paika	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Balranald (Rsl)	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Benjeroop (Davey)	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Warracknabeal Post Office	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Barellan Post Office	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Bindara (Netley)	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Euston Post Office	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Washington	United States	Record high minimum temperature	25.0 C (77.0 F)	20 of 100 (Routine)
Nicosia	Cyprus	Record high maximum temperature	42.2 C (108.0 F)	19 of 100 (Routine)
Atlantic City Marina	United States	Record high maximum temperature	33.9 C (93.0 F)	19 of 100 (Routine)
Winnemucca AP	United States	Record low minimum temperature	5.6 C (42.1 F)	18 of 100 (Routine)
Cultowa	Australia	Record daily precipitation	4.6 mm (0.18 in)	17 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record daily precipitation	16.6 mm (0.7 in)	17 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	35.0 C (95.0 F)	17 of 100 (Routine)
Yarmouth	Canada	Record high maximum temperature	25.0 C (77.0 F)	16 of 100 (Routine)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	10.7 mm (0.4 in)	14 of 100 (Routine)
Owen Sound	Canada	Record high maximum temperature	31.7 C (89.1 F)	14 of 100 (Routine)
Aurora	Canada	Record daily precipitation	24.9 mm (1.0 in)	14 of 100 (Routine)
Baltimore Customs House	United States	Record high minimum temperature	25.6 C (78.1 F)	14 of 100 (Routine)
Washington	United States	Record high maximum temperature	35.0 C (95.0 F)	14 of 100 (Routine)
Wilcannia (Billilla)	Australia	Record daily precipitation	9.4 mm (0.37 in)	13 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	15.7 mm (0.6 in)	13 of 100 (Routine)
Steam Plains 1	Australia	Record daily precipitation	11.2 mm (0.4 in)	13 of 100 (Routine)
Tullaroop Reservoir	Australia	Record daily precipitation	7.4 mm (0.29 in)	13 of 100 (Routine)
Hillview	Canada	Record daily precipitation	10.9 mm (0.4 in)	13 of 100 (Routine)
Berlin-Dahlem	Germany	Record low minimum temperature	9.4 C (48.9 F)	13 of 100 (Routine)
Ballarat Botanical Gardens	Australia	Record daily precipitation	7.6 mm (0.30 in)	12 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	33.3 C (91.9 F)	12 of 100 (Routine)
Greenville Dwtn AP	United States	Record high maximum temperature	36.1 C (97.0 F)	12 of 100 (Routine)
Coonamble (Wingadee)	Australia	Record daily precipitation	6.9 mm (0.27 in)	11 of 100 (Routine)
Wycheproof (Post Office)	Australia	Record daily precipitation	6.4 mm (0.25 in)	11 of 100 (Routine)
Murtoa	Australia	Record daily precipitation	5.6 mm (0.22 in)	11 of 100 (Routine)
Kristianstad	Sweden	Record low maximum temperature	15.0 C (59.0 F)	11 of 100 (Routine)
Pooncarie Mail Agency	Australia	Record daily precipitation	7.6 mm (0.30 in)	10 of 100 (Routine)
Kristianstad	Sweden	Record daily precipitation	11.5 mm (0.5 in)	10 of 100 (Routine)
Ivanhoe (Bonuna)	Australia	Record daily precipitation	6.4 mm (0.25 in)	9 of 100 (Routine)
Conoble	Australia	Record daily precipitation	4.3 mm (0.17 in)	9 of 100 (Routine)
Gunnee	Australia	Record daily precipitation	17.0 mm (0.7 in)	9 of 100 (Routine)
Vasilevici	Belarus	Record daily precipitation	18.8 mm (0.7 in)	9 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	32.2 C (90.0 F)	9 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record low minimum temperature	9.2 C (48.6 F)	9 of 100 (Routine)
Hvar	Croatia	Record low minimum temperature	18.2 C (64.8 F)	9 of 100 (Routine)
Bimbowrie	Australia	Record daily precipitation	5.1 mm (0.20 in)	8 of 100 (Routine)
Coonamble (Nardoo)	Australia	Record daily precipitation	7.1 mm (0.28 in)	8 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	8.6 C (47.5 F)	8 of 100 (Routine)
Enngonia (Morton Plains)	Australia	Record daily precipitation	5.3 mm (0.21 in)	7 of 100 (Routine)
Tranebjerg	Denmark	Record low maximum temperature	14.8 C (58.6 F)	7 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	15.5 C (59.9 F)	7 of 100 (Routine)
Karlshamn	Sweden	Record low maximum temperature	14.5 C (58.1 F)	7 of 100 (Routine)
Wilcannia (Mena Murtee)	Australia	Record daily precipitation	2.0 mm (0.08 in)	6 of 100 (Routine)
Kiev	Ukraine	Record daily precipitation	11.9 mm (0.5 in)	6 of 100 (Routine)
Chattanooga Wb City	United States	Record high maximum temperature	36.1 C (97.0 F)	6 of 100 (Routine)
Barrie	Canada	Record high minimum temperature	17.8 C (64.0 F)	4 of 100 (Routine)
Yarmouth	Canada	Record high minimum temperature	16.1 C (61.0 F)	3 of 100 (Routine)
Karlsruhe	Germany	Record low minimum temperature	9.0 C (48.2 F)	3 of 100 (Routine)

Counts by Type and Timescale

71 records

Records set or tied on 31 July 1915 by type: Highest daily maximum 13, Lowest daily maximum 5, Highest daily minimum 12, Lowest daily minimum 6, Heaviest daily rainfall 35.

Records on 31 July 1915 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	5
Highest daily minimum	12
Lowest daily minimum	6
Heaviest daily rainfall	35
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1915 by timescale: all-time 0, monthly 1, daily 70.

How Much Records Were Beaten By

57 broken records

Margins by which the 57 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 19.1. Ties are not counted.

Top 20 by Significance

31 July 1915

Top 20 records on 31 July 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1915	Windsor Riverside, CA	daily rain	44.5 mm (1.8 in)	18.3 mm (0.7 in)	36 years	30 of 100 (Routine)
31 July 1915	Madison Wb City, US	daily rain	40.4 mm (1.6 in)	19.1 mm (0.8 in)	34 years	27 of 100 (Routine)
31 July 1915	Cape May 2 NW, US	daily high max	33.3 C (91.9 F)	3.9 C (7.0 F)	18 years	22 of 100 (Routine)
31 July 1915	Lake Corrong, AU	daily rain	16.8 mm (0.7 in)	14.0 mm (0.6 in)	12 years	20 of 100 (Routine)
31 July 1915	Kerang (Tragowell), AU	daily rain	17.3 mm (0.7 in)	11.5 mm (0.5 in)	32 years	20 of 100 (Routine)
31 July 1915	Paika, AU	daily rain	16.5 mm (0.6 in)	10.1 mm (0.4 in)	32 years	20 of 100 (Routine)
31 July 1915	Balranald (Rsl), AU	daily rain	17.0 mm (0.7 in)	9.4 mm (0.37 in)	35 years	20 of 100 (Routine)
31 July 1915	Benjeroop (Davey), AU	daily rain	15.5 mm (0.6 in)	11.7 mm (0.5 in)	16 years	20 of 100 (Routine)
31 July 1915	Warracknabeal Post Office, AU	daily rain	10.7 mm (0.4 in)	4.3 mm (0.17 in)	51 years	20 of 100 (Routine)
31 July 1915	Barellan Post Office, AU	daily rain	18.5 mm (0.7 in)	8.8 mm (0.35 in)	14 years	20 of 100 (Routine)
31 July 1915	Bindara (Netley), AU	daily rain	10.2 mm (0.4 in)	4.6 mm (0.18 in)	36 years	20 of 100 (Routine)
31 July 1915	Euston Post Office, AU	monthly rain	21.8 mm (0.9 in)	0.5 mm (0.02 in)	27 years	20 of 100 (Routine)
31 July 1915	Washington, US	daily high min	25.0 C (77.0 F)	0.6 C (1.1 F)	42 years	20 of 100 (Routine)
31 July 1915	Nicosia, CY	daily high max	42.2 C (108.0 F)	2.2 C (4.0 F)	26 years	19 of 100 (Routine)
31 July 1915	Atlantic City Marina, US	daily high max	33.9 C (93.0 F)	3.3 C (5.9 F)	17 years	19 of 100 (Routine)
31 July 1915	Winnemucca AP, US	daily low min	5.6 C (42.1 F)	1.6 C (2.9 F)	37 years	18 of 100 (Routine)
31 July 1915	Cultowa, AU	daily rain	4.6 mm (0.18 in)	4.6 mm (0.18 in)	32 years	17 of 100 (Routine)
31 July 1915	Dublin Phoenix Park, IE	daily rain	16.6 mm (0.7 in)	3.4 mm (0.13 in)	26 years	17 of 100 (Routine)
31 July 1915	Newark Liberty Intl AP, US	daily high max	35.0 C (95.0 F)	1.1 C (2.0 F)	27 years	17 of 100 (Routine)
31 July 1915	Yarmouth, CA	daily high max	25.0 C (77.0 F)	1.1 C (2.0 F)	29 years	16 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 1915

Records set or tied on this calendar date in each year from 1804 to 1915. 1915 had 71 records.

Counts for years before the ledger starts come from the same station rules.

Records on 07-31 in each year
Year	Records
1804	1
1815	1
1816	1
1828	1
1834	1
1839	1
1840	1
1841	2
1851	1
1858	2
1860	4
1863	1
1866	1
1873	2
1876	1
1879	1
1884	1
1885	1
1886	1
1887	5
1889	2
1890	2
1891	1
1892	1
1893	3
1894	2
1896	2
1897	2
1898	5
1900	1
1901	3
1902	4
1903	16
1904	12
1905	10
1906	14
1907	17
1908	22
1909	15
1910	21
1911	29
1912	14
1913	31
1914	28
1915	71
1916	63
1917	126
1918	39
1919	27
1920	168
1921	112
1922	24
1923	236
1924	97
1925	349
1926	226
1927	161
1928	145
1929	134
1930	143
1931	441
1932	314
1933	504
1934	449
1935	418
1936	548
1937	297
1938	417
1939	357
1940	415
1941	323
1942	342
1943	342
1944	312
1945	499
1946	426
1947	341
1948	341
1949	406
1950	511
1951	364
1952	472
1953	414
1954	459
1955	813
1956	574
1957	268
1958	374
1959	424
1960	622
1961	504
1962	348
1963	294
1964	637
1965	858
1966	606
1967	326
1968	637
1969	440
1970	576
1971	1,850
1972	667
1973	583
1974	363
1975	1,386
1976	530
1977	543
1978	754
1979	501
1980	1,047
1981	672
1982	767
1983	901
1984	777
1985	1,065
1986	1,021
1987	934
1988	940
1989	1,753
1990	911
1991	647
1992	1,169
1993	1,031
1994	1,207
1995	1,223
1996	1,084
1997	984
1998	1,195
1999	1,643
2000	1,001
2001	1,414
2002	1,080
2003	1,157
2004	779
2005	742
2006	1,405
2007	1,023
2008	911
2009	1,156
2010	1,485
2011	1,040
2012	712
2013	469
2014	1,000
2015	948
2016	501
2017	485
2018	1,135
2019	551
2020	1,034
2021	1,020
2022	861
2023	671
2024	748
2025	836
2026	754

Download the Data

Data for records on 1915-07-31: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 3	35
3 to 5	13
5 to 8	1
8 to 10	2
10 to 13	3
13 to 15	1
15 to 18	0
18 to 20	2