Weather Records on 4 August 1915

85 weather records were set or tied worldwide on 4 August 1915. Highest significance: Weldon, US.

Key Facts for 4 August 1915

On 4 August 1915, 85 weather records were set or tied at long-record stations worldwide.
6 were record highs and 19 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 79 daily.
Weldon set a daily record precipitation of 91.4 mm (3.6 in) on 4 August 1915.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 443 records.

Record Map

85 stations

85 station records on 4 August 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Weldon	United States	Record daily precipitation	91.4 mm (3.6 in)	55 of 100 (Notable)
Maccue	Canada	Record daily precipitation	45.0 mm (1.8 in)	35 of 100 (Notable)
Stoney Creek	Canada	Record daily precipitation	82.6 mm (3.3 in)	32 of 100 (Routine)
Peterborough	Canada	Record daily precipitation	54.9 mm (2.2 in)	32 of 100 (Routine)
Leominster	United States	Record daily precipitation	94.0 mm (3.7 in)	31 of 100 (Routine)
Windsor Riverside	Canada	Record daily precipitation	40.9 mm (1.6 in)	30 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	61.0 mm (2.4 in)	30 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	69.6 mm (2.7 in)	28 of 100 (Routine)
Kingston Queens U	Canada	Record daily precipitation	39.1 mm (1.5 in)	27 of 100 (Routine)
Parry Sound	Canada	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	53.6 mm (2.1 in)	27 of 100 (Routine)
Newark Liberty Intl AP	United States	Record daily precipitation	105.7 mm (4.2 in)	26 of 100 (Routine)
Dubuque River	United States	Record low maximum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Middletown 4 W	United States	Record low maximum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Madison Wb City	United States	Record low maximum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Paris	Canada	Record daily precipitation	58.4 mm (2.3 in)	23 of 100 (Routine)
Paterson	United States	Record daily precipitation	112.5 mm (4.4 in)	23 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	35.1 mm (1.4 in)	22 of 100 (Routine)
Camden 3 W	United States	Record daily precipitation	51.1 mm (2.0 in)	22 of 100 (Routine)
Balmoral (Post Office)	Australia	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Overland Corner	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Coleraine (Wondo Dale)	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Kaniva	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Cavendish (Post Office)	Australia	Record daily precipitation	19.6 mm (0.8 in)	20 of 100 (Routine)
Beltana	Australia	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Lindsay	Canada	Record low maximum temperature	16.7 C (62.1 F)	20 of 100 (Routine)
Reading Wb City	United States	Record daily precipitation	49.5 mm (1.9 in)	20 of 100 (Routine)
Hamilton	Australia	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Blinman	Australia	Record daily precipitation	11.4 mm (0.4 in)	18 of 100 (Routine)
Warrnambool Shire Office	Australia	Record daily precipitation	16.0 mm (0.6 in)	18 of 100 (Routine)
Charlottetown	Canada	Record low minimum temperature	8.3 C (46.9 F)	18 of 100 (Routine)
Second Valley (Spring Grove)	Australia	Record daily precipitation	25.4 mm (1.0 in)	17 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily precipitation	82.6 mm (3.3 in)	17 of 100 (Routine)
Pooncarie (Mulurulu Station)	Australia	Record daily precipitation	9.1 mm (0.36 in)	16 of 100 (Routine)
Anna Creek	Australia	Record daily precipitation	3.3 mm (0.13 in)	15 of 100 (Routine)
Tumby Bay (Warratta Vale)	Australia	Record daily precipitation	4.3 mm (0.17 in)	15 of 100 (Routine)
Bordertown	Australia	Record daily precipitation	8.9 mm (0.35 in)	15 of 100 (Routine)
Port Stanley	Canada	Record daily precipitation	27.4 mm (1.1 in)	15 of 100 (Routine)
Aurora	Canada	Record daily precipitation	48.3 mm (1.9 in)	15 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	30.6 C (87.1 F)	15 of 100 (Routine)
La Crosse Wb City	United States	Record low maximum temperature	13.3 C (55.9 F)	15 of 100 (Routine)
Mount McDonald	Australia	Record daily precipitation	15.2 mm (0.6 in)	14 of 100 (Routine)
Anticosti SW Point	Canada	Record low minimum temperature	3.3 C (37.9 F)	14 of 100 (Routine)
Beatrice	Canada	Record low maximum temperature	16.7 C (62.1 F)	13 of 100 (Routine)
Victoria Valley	Australia	Record daily precipitation	12.7 mm (0.5 in)	12 of 100 (Routine)
Peterborough	Canada	Record low maximum temperature	16.7 C (62.1 F)	12 of 100 (Routine)
George Airport	South Africa	Record daily precipitation	14.0 mm (0.6 in)	12 of 100 (Routine)
Concordia ASOS	United States	Record low maximum temperature	24.4 C (75.9 F)	12 of 100 (Routine)
Outalpa	Australia	Record daily precipitation	2.3 mm (0.09 in)	11 of 100 (Routine)
Penshurst (Post Office)	Australia	Record daily precipitation	18.8 mm (0.7 in)	11 of 100 (Routine)
Haliburton A	Canada	Record daily precipitation	22.9 mm (0.9 in)	11 of 100 (Routine)
Vineland	United States	Record daily precipitation	34.3 mm (1.4 in)	11 of 100 (Routine)
Yardea	Australia	Record daily precipitation	5.3 mm (0.21 in)	10 of 100 (Routine)
Elliston	Australia	Record daily precipitation	14.0 mm (0.6 in)	10 of 100 (Routine)
Peterborough (Dawson)	Australia	Record daily precipitation	10.4 mm (0.4 in)	10 of 100 (Routine)
Tareena	Australia	Record daily precipitation	3.6 mm (0.14 in)	10 of 100 (Routine)
Lillimur Estate	Australia	Record daily precipitation	11.9 mm (0.5 in)	10 of 100 (Routine)
Qu'appelle	Canada	Record high maximum temperature	31.1 C (88.0 F)	10 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	46.7 mm (1.8 in)	10 of 100 (Routine)

Counts by Type and Timescale

85 records

Records set or tied on 4 August 1915 by type: Highest daily maximum 3, Lowest daily maximum 13, Highest daily minimum 3, Lowest daily minimum 6, Heaviest daily rainfall 60.

Records on 4 August 1915 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	13
Highest daily minimum	3
Lowest daily minimum	6
Heaviest daily rainfall	60
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 August 1915 by timescale: all-time 0, monthly 6, daily 79.

How Much Records Were Beaten By

76 broken records

Margins by which the 76 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.0. Ties are not counted.

Top 20 by Significance

4 August 1915

Top 20 records on 4 August 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 1915	Weldon, US	daily rain	91.4 mm (3.6 in)	66.0 mm (2.6 in)	41 years	55 of 100 (Notable)
4 August 1915	Maccue, CA	daily rain	45.0 mm (1.8 in)	26.7 mm (1.1 in)	30 years	35 of 100 (Notable)
4 August 1915	Stoney Creek, CA	monthly rain	82.6 mm (3.3 in)	20.9 mm (0.8 in)	1 year	32 of 100 (Routine)
4 August 1915	Peterborough, CA	monthly rain	54.9 mm (2.2 in)	3.3 mm (0.13 in)	47 years	32 of 100 (Routine)
4 August 1915	Leominster, US	daily rain	94.0 mm (3.7 in)	31.0 mm (1.2 in)	29 years	31 of 100 (Routine)
4 August 1915	Windsor Riverside, CA	daily rain	40.9 mm (1.6 in)	17.0 mm (0.7 in)	32 years	30 of 100 (Routine)
4 August 1915	Woodstock, CA	daily rain	61.0 mm (2.4 in)	29.8 mm (1.2 in)	12 years	30 of 100 (Routine)
4 August 1915	Philadelphia City, US	daily rain	69.6 mm (2.7 in)	26.2 mm (1.0 in)	30 years	28 of 100 (Routine)
4 August 1915	Kingston Queens U, CA	daily rain	39.1 mm (1.5 in)	17.5 mm (0.7 in)	30 years	27 of 100 (Routine)
4 August 1915	Parry Sound, CA	daily rain	26.2 mm (1.0 in)	16.5 mm (0.6 in)	24 years	27 of 100 (Routine)
4 August 1915	Moorestown 4 E, US	daily rain	53.6 mm (2.1 in)	25.4 mm (1.0 in)	30 years	27 of 100 (Routine)
4 August 1915	Newark Liberty Intl AP, US	daily rain	105.7 mm (4.2 in)	40.4 mm (1.6 in)	12 years	26 of 100 (Routine)
4 August 1915	Dubuque River, US	monthly low max	13.9 C (57.0 F)	1.7 C (3.1 F)	27 years	26 of 100 (Routine)
4 August 1915	Middletown 4 W, US	daily low max	18.3 C (64.9 F)	5.0 C (9.0 F)	20 years	24 of 100 (Routine)
4 August 1915	Madison Wb City, US	daily low max	13.9 C (57.0 F)	4.4 C (7.9 F)	30 years	24 of 100 (Routine)
4 August 1915	Paris, CA	daily rain	58.4 mm (2.3 in)	13.9 mm (0.5 in)	26 years	23 of 100 (Routine)
4 August 1915	Paterson, US	monthly rain	112.5 mm (4.4 in)	5.1 mm (0.20 in)	21 years	23 of 100 (Routine)
4 August 1915	Port Dover, CA	daily rain	35.1 mm (1.4 in)	14.3 mm (0.6 in)	17 years	22 of 100 (Routine)
4 August 1915	Camden 3 W, US	daily rain	51.1 mm (2.0 in)	17.8 mm (0.7 in)	25 years	22 of 100 (Routine)
4 August 1915	Balmoral (Post Office), AU	daily rain	23.1 mm (0.9 in)	12.7 mm (0.5 in)	16 years	20 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

1815 to 1915

Records set or tied on this calendar date in each year from 1815 to 1915. 1915 had 85 records.

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

Records on 08-04 in each year
Year	Records
1815	1
1827	1
1830	2
1833	1
1835	1
1843	1
1846	1
1847	1
1848	1
1857	1
1859	2
1860	2
1863	1
1865	3
1867	1
1868	1
1870	1
1871	1
1872	2
1874	3
1875	1
1878	3
1879	1
1881	2
1882	1
1883	1
1885	3
1886	1
1887	3
1888	4
1889	2
1890	1
1891	2
1893	2
1894	1
1895	3
1896	4
1897	3
1898	1
1899	7
1900	6
1902	4
1903	18
1904	11
1905	19
1906	14
1907	20
1908	31
1909	27
1910	17
1911	23
1912	51
1913	15
1914	33
1915	85
1916	97
1917	29
1918	95
1919	34
1920	79
1921	67
1922	68
1923	146
1924	132
1925	77
1926	334
1927	136
1928	352
1929	224
1930	698
1931	371
1932	258
1933	347
1934	521
1935	367
1936	719
1937	258
1938	489
1939	433
1940	236
1941	383
1942	303
1943	468
1944	662
1945	355
1946	265
1947	845
1948	558
1949	421
1950	666
1951	680
1952	465
1953	1,017
1954	426
1955	624
1956	437
1957	343
1958	533
1959	303
1960	331
1961	745
1962	470
1963	438
1964	885
1965	409
1966	552
1967	428
1968	280
1969	638
1970	415
1971	813
1972	773
1973	748
1974	1,040
1975	772
1976	801
1977	599
1978	1,051
1979	510
1980	998
1981	636
1982	703
1983	920
1984	722
1985	634
1986	905
1987	892
1988	1,204
1989	738
1990	1,013
1991	769
1992	754
1993	1,046
1994	1,265
1995	1,117
1996	1,143
1997	891
1998	1,423
1999	762
2000	840
2001	1,087
2002	928
2003	1,309
2004	968
2005	1,246
2006	1,131
2007	685
2008	883
2009	681
2010	1,665
2011	1,536
2012	738
2013	452
2014	980
2015	505
2016	732
2017	1,134
2018	760
2019	499
2020	778
2021	691
2022	1,185
2023	1,150
2024	809
2025	840
2026	1,044

Download the Data

Data for records on 1915-08-04: 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 10	54
10 to 20	13
20 to 30	6
30 to 40	1
40 to 50	1
50 to 60	0
60 to 70	1