Weather Records on 4 August 1963

438 weather records were set or tied worldwide on 4 August 1963. Highest significance: Chugwater, US.

Key Facts for 4 August 1963

On 4 August 1963, 438 weather records were set or tied at long-record stations worldwide.
114 were record highs and 90 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 16 monthly and 421 daily.
Chugwater set a monthly record daily precipitation of 83.8 mm (3.3 in) on 4 August 1963.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 441 records.

Record Map

438 stations

438 station records on 4 August 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chugwater	United States	Record daily precipitation	83.8 mm (3.3 in)	61 of 100 (Major)
Voru	Estonia	Record daily precipitation	52.0 mm (2.0 in)	60 of 100 (Major)
Spencer	United States	Record daily precipitation	78.2 mm (3.1 in)	54 of 100 (Notable)
Durham	United Kingdom	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Pulosero	Russia	Record daily precipitation	26.1 mm (1.0 in)	52 of 100 (Notable)
Hoult Lock 15	United States	Record daily precipitation	75.9 mm (3.0 in)	50 of 100 (Notable)
Hyde Park	Australia	Record daily precipitation	32.3 mm (1.3 in)	49 of 100 (Notable)
Clyde Park	Australia	Record daily precipitation	34.3 mm (1.4 in)	49 of 100 (Notable)
Gallipolis	United States	Record daily precipitation	108.0 mm (4.3 in)	49 of 100 (Notable)
Weston	United States	Record daily precipitation	61.2 mm (2.4 in)	47 of 100 (Notable)
Jaggiayapet	India	Record daily precipitation	77.0 mm (3.0 in)	46 of 100 (Notable)
Koobabbie	Australia	Record daily precipitation	37.8 mm (1.5 in)	45 of 100 (Notable)
Wien	Austria	Record high minimum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Magdalena	United States	Record daily precipitation	52.3 mm (2.1 in)	45 of 100 (Notable)
New Martinsville 4 NNE	United States	Record daily precipitation	77.5 mm (3.1 in)	45 of 100 (Notable)
Dalwallinu Comparison	Australia	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Cape Sorell	Australia	Record daily precipitation	36.1 mm (1.4 in)	44 of 100 (Notable)
Hull	United Kingdom	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Glenferrie	Australia	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Putbus	Germany	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Hull	United Kingdom	Record daily precipitation	31.7 mm (1.2 in)	42 of 100 (Notable)
Bairath	India	Record daily precipitation	99.1 mm (3.9 in)	41 of 100 (Notable)
Nizamabad	India	Record daily precipitation	113.0 mm (4.4 in)	40 of 100 (Notable)
Kurinjipadi	India	Record daily precipitation	79.0 mm (3.1 in)	40 of 100 (Notable)
Putbus	Germany	Record high maximum temperature	30.7 C (87.3 F)	39 of 100 (Notable)
Bhagaon Bhogaon	India	Record daily precipitation	150.1 mm (5.9 in)	39 of 100 (Notable)
St Patricks River (Targa Farm)	Australia	Record daily precipitation	81.8 mm (3.2 in)	38 of 100 (Notable)
Cradle Valley (Waldheim)	Australia	Record daily precipitation	53.8 mm (2.1 in)	37 of 100 (Notable)
Williams	United States	Record daily precipitation	51.6 mm (2.0 in)	37 of 100 (Notable)
Acude Tucunduba	Brazil	Record daily precipitation	29.0 mm (1.1 in)	36 of 100 (Notable)
Stephens Rch	United States	Record daily precipitation	43.4 mm (1.7 in)	36 of 100 (Notable)
Ytiniche	Australia	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Vellore	India	Record daily precipitation	49.4 mm (1.9 in)	35 of 100 (Notable)
Taylor	United States	Record daily precipitation	45.0 mm (1.8 in)	35 of 100 (Notable)
Bloomfield 3 SE	United States	Record daily precipitation	26.7 mm (1.1 in)	35 of 100 (Notable)
Hastings	United States	Record daily precipitation	76.7 mm (3.0 in)	35 of 100 (Notable)
Adoni	India	Record daily precipitation	95.0 mm (3.7 in)	34 of 100 (Routine)
Daltonganj	India	Record daily precipitation	197.7 mm (7.8 in)	34 of 100 (Routine)
Mulbagal	India	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Henrietta	United States	Record high minimum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
Golden Valley	Australia	Record daily precipitation	54.1 mm (2.1 in)	32 of 100 (Routine)
South Springfield (South Sprin	Australia	Record daily precipitation	63.5 mm (2.5 in)	32 of 100 (Routine)
Kirchdorf/Poel	Germany	Record high minimum temperature	21.0 C (69.8 F)	32 of 100 (Routine)
Shikohabad	India	Record daily precipitation	56.1 mm (2.2 in)	32 of 100 (Routine)
Skegness	United Kingdom	Record daily precipitation	49.8 mm (2.0 in)	32 of 100 (Routine)
Talkeetna AP	United States	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Carnamah	Australia	Record daily precipitation	28.7 mm (1.1 in)	31 of 100 (Routine)
Wubin	Australia	Record daily precipitation	27.7 mm (1.1 in)	31 of 100 (Routine)
Wilmot (Back Road)	Australia	Record daily precipitation	52.1 mm (2.1 in)	31 of 100 (Routine)
St Andrews	Canada	Record low maximum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Arnsberg	Germany	Record high minimum temperature	17.5 C (63.5 F)	31 of 100 (Routine)
Pulivendla	India	Record daily precipitation	50.0 mm (2.0 in)	31 of 100 (Routine)
Siruguppa	India	Record daily precipitation	78.0 mm (3.1 in)	31 of 100 (Routine)
Ambur	India	Record daily precipitation	64.0 mm (2.5 in)	31 of 100 (Routine)
Big Moose 3 SE	United States	Record daily precipitation	34.5 mm (1.4 in)	31 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	26.0 C (78.8 F)	31 of 100 (Routine)
Smithton (Grant Street)	Australia	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Guildford Junction	Australia	Record daily precipitation	58.9 mm (2.3 in)	30 of 100 (Routine)
Mahua	India	Record daily precipitation	31.6 mm (1.2 in)	30 of 100 (Routine)
Ericson 8 WNW	United States	Record daily precipitation	38.9 mm (1.5 in)	30 of 100 (Routine)

Counts by Type and Timescale

438 records

Records set or tied on 4 August 1963 by type: Highest daily maximum 46, Lowest daily maximum 51, Highest daily minimum 68, Lowest daily minimum 39, Heaviest daily rainfall 233, Heaviest daily snowfall 1.

Records on 4 August 1963 by type
Record type	Records
Highest daily maximum	46
Lowest daily maximum	51
Highest daily minimum	68
Lowest daily minimum	39
Heaviest daily rainfall	233
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 August 1963 by timescale: all-time 1, monthly 16, daily 421.

How Much Records Were Beaten By

376 broken records

Margins by which the 376 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 59.7. Ties are not counted.

Top 20 by Significance

4 August 1963

Top 20 records on 4 August 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 1963	Chugwater, US	monthly rain	83.8 mm (3.3 in)	52.0 mm (2.0 in)	16 years	61 of 100 (Major)
4 August 1963	Voru, EE	daily rain	52.0 mm (2.0 in)	33.0 mm (1.3 in)	50 years	60 of 100 (Major)
4 August 1963	Spencer, US	daily rain	78.2 mm (3.1 in)	50.8 mm (2.0 in)	29 years	54 of 100 (Notable)
4 August 1963	Durham, GB	daily rain	32.0 mm (1.3 in)	19.4 mm (0.8 in)	42 years	53 of 100 (Notable)
4 August 1963	Pulosero, RU	daily rain	26.1 mm (1.0 in)	17.3 mm (0.7 in)	32 years	52 of 100 (Notable)
4 August 1963	Hoult Lock 15, US	daily rain	75.9 mm (3.0 in)	45.4 mm (1.8 in)	29 years	50 of 100 (Notable)
4 August 1963	Hyde Park, AU	daily rain	32.3 mm (1.3 in)	19.6 mm (0.8 in)	32 years	49 of 100 (Notable)
4 August 1963	Clyde Park, AU	daily rain	34.3 mm (1.4 in)	22.1 mm (0.9 in)	13 years	49 of 100 (Notable)
4 August 1963	Gallipolis, US	all-time rain	108.0 mm (4.3 in)	22.9 mm (0.9 in)	24 years	49 of 100 (Notable)
4 August 1963	Weston, US	daily rain	61.2 mm (2.4 in)	25.6 mm (1.0 in)	71 years	47 of 100 (Notable)
4 August 1963	Jaggiayapet, IN	daily rain	77.0 mm (3.0 in)	59.7 mm (2.4 in)	12 years	46 of 100 (Notable)
4 August 1963	Koobabbie, AU	daily rain	37.8 mm (1.5 in)	17.5 mm (0.7 in)	44 years	45 of 100 (Notable)
4 August 1963	Wien, AT	daily high min	21.7 C (71.1 F)	1.3 C (2.3 F)	107 years	45 of 100 (Notable)
4 August 1963	Magdalena, US	daily rain	52.3 mm (2.1 in)	30.5 mm (1.2 in)	12 years	45 of 100 (Notable)
4 August 1963	New Martinsville 4 NNE, US	daily rain	77.5 mm (3.1 in)	43.0 mm (1.7 in)	16 years	45 of 100 (Notable)
4 August 1963	Dalwallinu Comparison, AU	daily rain	33.0 mm (1.3 in)	12.2 mm (0.5 in)	44 years	44 of 100 (Notable)
4 August 1963	Cape Sorell, AU	daily rain	36.1 mm (1.4 in)	12.7 mm (0.5 in)	60 years	44 of 100 (Notable)
4 August 1963	Hull, GB	daily rain	31.8 mm (1.3 in)	19.6 mm (0.8 in)	32 years	44 of 100 (Notable)
4 August 1963	Glenferrie, AU	daily rain	31.8 mm (1.3 in)	19.1 mm (0.8 in)	5 years	42 of 100 (Notable)
4 August 1963	Putbus, DE	daily high min	20.0 C (68.0 F)	1.4 C (2.5 F)	92 years	42 of 100 (Notable)

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 1963

Records set or tied on this calendar date in each year from 1815 to 1963. 1963 had 438 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 1963-08-04: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	287
10 to 20	55
20 to 30	17
30 to 40	8
40 to 50	5
50 to 60	4