Weather Records on 4 August 1964

885 weather records were set or tied worldwide on 4 August 1964. Highest significance: Itabatinga, BR.

Key Facts for 4 August 1964

On 4 August 1964, 885 weather records were set or tied at long-record stations worldwide.
239 were record highs and 163 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 52 monthly and 831 daily.
Itabatinga set a monthly record daily precipitation of 52.0 mm (2.0 in) on 4 August 1964.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 439 records.

Record Map

885 stations

885 station records on 4 August 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Itabatinga	Brazil	Record daily precipitation	52.0 mm (2.0 in)	67 of 100 (Major)
Harrismith (Tnk)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	65 of 100 (Major)
Donnybrook	Australia	Record daily precipitation	61.5 mm (2.4 in)	58 of 100 (Notable)
Batalha	Brazil	Record daily precipitation	43.1 mm (1.7 in)	58 of 100 (Notable)
Baturite	Brazil	Record daily precipitation	50.5 mm (2.0 in)	56 of 100 (Notable)
Kismet Estate	South Africa	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Mariyna Gorka	Belarus	Record daily precipitation	37.5 mm (1.5 in)	51 of 100 (Notable)
Acude Bonito	Brazil	Record daily precipitation	44.1 mm (1.7 in)	51 of 100 (Notable)
Caraubas	Brazil	Record daily precipitation	27.1 mm (1.1 in)	51 of 100 (Notable)
Baldonnel	Canada	Record daily precipitation	44.7 mm (1.8 in)	51 of 100 (Notable)
Spitskrans	South Africa	Record daily precipitation	37.5 mm (1.5 in)	51 of 100 (Notable)
Logan 1 WNW	United States	Record daily precipitation	60.7 mm (2.4 in)	51 of 100 (Notable)
Sao Benedito	Brazil	Record daily precipitation	42.3 mm (1.7 in)	50 of 100 (Notable)
Pinjarra	Australia	Record daily precipitation	68.3 mm (2.7 in)	48 of 100 (Notable)
Castelo Do Piaui (Marvao)	Brazil	Record daily precipitation	42.0 mm (1.7 in)	48 of 100 (Notable)
Brunswick Junction	Australia	Record daily precipitation	74.2 mm (2.9 in)	47 of 100 (Notable)
Noggerup	Australia	Record daily precipitation	74.7 mm (2.9 in)	47 of 100 (Notable)
Collie	Australia	Record daily precipitation	73.2 mm (2.9 in)	47 of 100 (Notable)
Ibiapina	Brazil	Record daily precipitation	37.1 mm (1.5 in)	47 of 100 (Notable)
Greenbushes	Australia	Record daily precipitation	56.9 mm (2.2 in)	46 of 100 (Notable)
Katanning Comparison	Australia	Record daily precipitation	36.1 mm (1.4 in)	46 of 100 (Notable)
Woodfort	South Africa	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Tarikere	India	Record daily precipitation	57.6 mm (2.3 in)	45 of 100 (Notable)
Blair	United States	Record daily precipitation	65.0 mm (2.6 in)	45 of 100 (Notable)
Boddington Shire	Australia	Record daily precipitation	46.5 mm (1.8 in)	44 of 100 (Notable)
Bunbury Post Office	Australia	Record daily precipitation	53.1 mm (2.1 in)	44 of 100 (Notable)
Mornington Mills	Australia	Record daily precipitation	79.5 mm (3.1 in)	43 of 100 (Notable)
Benalla	Australia	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Lajes (Itaretama)	Brazil	Record daily precipitation	36.0 mm (1.4 in)	43 of 100 (Notable)
Bannister	Australia	Record daily precipitation	45.2 mm (1.8 in)	42 of 100 (Notable)
Bridgetown Comparison	Australia	Record daily precipitation	51.8 mm (2.0 in)	42 of 100 (Notable)
Harvey Post Office	Australia	Record daily precipitation	58.2 mm (2.3 in)	42 of 100 (Notable)
Wandering Comparison	Australia	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Espirito Santo	Brazil	Record daily precipitation	25.3 mm (1.0 in)	42 of 100 (Notable)
Jefferson City Evap	United States	Record daily precipitation	52.3 mm (2.1 in)	42 of 100 (Notable)
Mundaring	Australia	Record daily precipitation	70.4 mm (2.8 in)	41 of 100 (Notable)
Guaraciaba Do Norte	Brazil	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Val (Sar)	South Africa	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Mundaring Weir	Australia	Record daily precipitation	66.5 mm (2.6 in)	40 of 100 (Notable)
Mandurah Park	Australia	Record daily precipitation	57.9 mm (2.3 in)	40 of 100 (Notable)
Cherry Tree	Australia	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Monsenhor Tabosa	Brazil	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Krasnyj Chikoj	Russia	Record daily precipitation	41.8 mm (1.6 in)	40 of 100 (Notable)
Freehold-Marlboro	United States	Record low minimum temperature	8.9 C (48.0 F)	40 of 100 (Notable)
Lower Chittering	Australia	Record daily precipitation	53.6 mm (2.1 in)	39 of 100 (Notable)
Belur	India	Record daily precipitation	60.2 mm (2.4 in)	39 of 100 (Notable)
Atlantic 1 NE	United States	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Mooliabeenee Siding	Australia	Record daily precipitation	43.7 mm (1.7 in)	38 of 100 (Notable)
Chamingup	Australia	Record daily precipitation	45.0 mm (1.8 in)	38 of 100 (Notable)
Mulungu	Brazil	Record daily precipitation	66.0 mm (2.6 in)	38 of 100 (Notable)
Witsieshoek	South Africa	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Wungong Dam	Australia	Record daily precipitation	77.7 mm (3.1 in)	37 of 100 (Notable)
Boyanup	Australia	Record daily precipitation	59.4 mm (2.3 in)	37 of 100 (Notable)
Ostrov Sosnovez	Russia	Record high maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Kyra	Russia	Record daily precipitation	39.3 mm (1.5 in)	37 of 100 (Notable)
Logansport Cicott St	United States	Record daily precipitation	54.1 mm (2.1 in)	37 of 100 (Notable)
Jarrahdale	Australia	Record daily precipitation	114.0 mm (4.5 in)	36 of 100 (Notable)
Rockingham Post Office	Australia	Record daily precipitation	57.4 mm (2.3 in)	36 of 100 (Notable)
Fairbridge	Australia	Record daily precipitation	67.3 mm (2.6 in)	36 of 100 (Notable)
Av-A-Rest	Australia	Record daily precipitation	39.4 mm (1.6 in)	36 of 100 (Notable)

Counts by Type and Timescale

885 records

Records set or tied on 4 August 1964 by type: Highest daily maximum 155, Lowest daily maximum 55, Highest daily minimum 84, Lowest daily minimum 108, Heaviest daily rainfall 482, Heaviest daily snowfall 1.

Records on 4 August 1964 by type
Record type	Records
Highest daily maximum	155
Lowest daily maximum	55
Highest daily minimum	84
Lowest daily minimum	108
Heaviest daily rainfall	482
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 August 1964 by timescale: all-time 2, monthly 52, daily 831.

How Much Records Were Beaten By

747 broken records

Margins by which the 747 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.3. Ties are not counted.

Top 20 by Significance

4 August 1964

Top 20 records on 4 August 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 1964	Itabatinga, BR	monthly rain	52.0 mm (2.0 in)	28.5 mm (1.1 in)	45 years	67 of 100 (Major)
4 August 1964	Harrismith (Tnk), ZA	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	81 years	65 of 100 (Major)
4 August 1964	Donnybrook, AU	daily rain	61.5 mm (2.4 in)	33.3 mm (1.3 in)	57 years	58 of 100 (Notable)
4 August 1964	Batalha, BR	daily rain	43.1 mm (1.7 in)	42.9 mm (1.7 in)	51 years	58 of 100 (Notable)
4 August 1964	Baturite, BR	monthly rain	50.5 mm (2.0 in)	19.2 mm (0.8 in)	41 years	56 of 100 (Notable)
4 August 1964	Kismet Estate, ZA	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	40 years	54 of 100 (Notable)
4 August 1964	Mariyna Gorka, BY	daily rain	37.5 mm (1.5 in)	22.6 mm (0.9 in)	48 years	51 of 100 (Notable)
4 August 1964	Acude Bonito, BR	monthly rain	44.1 mm (1.7 in)	22.8 mm (0.9 in)	49 years	51 of 100 (Notable)
4 August 1964	Caraubas, BR	daily rain	27.1 mm (1.1 in)	27.1 mm (1.1 in)	53 years	51 of 100 (Notable)
4 August 1964	Baldonnel, CA	daily rain	44.7 mm (1.8 in)	34.5 mm (1.4 in)	28 years	51 of 100 (Notable)
4 August 1964	Spitskrans, ZA	daily rain	37.5 mm (1.5 in)	37.5 mm (1.5 in)	50 years	51 of 100 (Notable)
4 August 1964	Logan 1 WNW, US	daily rain	60.7 mm (2.4 in)	37.1 mm (1.5 in)	64 years	51 of 100 (Notable)
4 August 1964	Sao Benedito, BR	monthly rain	42.3 mm (1.7 in)	10.8 mm (0.4 in)	49 years	50 of 100 (Notable)
4 August 1964	Pinjarra, AU	daily rain	68.3 mm (2.7 in)	37.6 mm (1.5 in)	9 years	48 of 100 (Notable)
4 August 1964	Castelo Do Piaui (Marvao), BR	daily rain	42.0 mm (1.7 in)	33.8 mm (1.3 in)	35 years	48 of 100 (Notable)
4 August 1964	Brunswick Junction, AU	daily rain	74.2 mm (2.9 in)	46.8 mm (1.8 in)	9 years	47 of 100 (Notable)
4 August 1964	Noggerup, AU	daily rain	74.7 mm (2.9 in)	52.1 mm (2.1 in)	9 years	47 of 100 (Notable)
4 August 1964	Collie, AU	monthly rain	73.2 mm (2.9 in)	14.5 mm (0.6 in)	51 years	47 of 100 (Notable)
4 August 1964	Ibiapina, BR	daily rain	37.1 mm (1.5 in)	34.3 mm (1.4 in)	9 years	47 of 100 (Notable)
4 August 1964	Greenbushes, AU	daily rain	56.9 mm (2.2 in)	35.6 mm (1.4 in)	6 years	46 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 1964

Records set or tied on this calendar date in each year from 1815 to 1964. 1964 had 885 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 1964-08-04: 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	582
10 to 20	92
20 to 30	46
30 to 40	17
40 to 50	8
50 to 60	1
60 to 70	0
70 to 80	1