Weather Records on 11 September 1964

1,195 weather records were set or tied worldwide on 11 September 1964. Highest significance: Waitchie, AU.

Key Facts for 11 September 1964

On 11 September 1964, 1,195 weather records were set or tied at long-record stations worldwide.
195 were record highs and 255 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 51 monthly and 1,144 daily.
Waitchie set a monthly record daily precipitation of 62.0 mm (2.4 in) on 11 September 1964.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 419 records.

Record Map

1,195 stations

1,195 station records on 11 September 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Waitchie	Australia	Record daily precipitation	62.0 mm (2.4 in)	72 of 100 (Major)
Sea Lake (Post Office)	Australia	Record daily precipitation	58.7 mm (2.3 in)	66 of 100 (Major)
Tyrrell Downs	Australia	Record daily precipitation	49.8 mm (2.0 in)	66 of 100 (Major)
Bendigo Prison	Australia	Record daily precipitation	36.1 mm (1.4 in)	66 of 100 (Major)
Moulamein Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	64 of 100 (Major)
Nyah	Australia	Record daily precipitation	69.1 mm (2.7 in)	64 of 100 (Major)
Donald Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	64 of 100 (Major)
Renmark	Australia	Record daily precipitation	33.5 mm (1.3 in)	63 of 100 (Major)
Nagambie Cba	Australia	Record daily precipitation	47.0 mm (1.9 in)	63 of 100 (Major)
Wahgunyah	Australia	Record daily precipitation	46.0 mm (1.8 in)	63 of 100 (Major)
Carrathool (Uardry)	Australia	Record daily precipitation	41.9 mm (1.6 in)	62 of 100 (Major)
Wedderburn (Post Office)	Australia	Record daily precipitation	46.5 mm (1.8 in)	62 of 100 (Major)
Tarnagulla	Australia	Record daily precipitation	36.6 mm (1.4 in)	62 of 100 (Major)
Seymour Shire Depot	Australia	Record daily precipitation	47.2 mm (1.9 in)	62 of 100 (Major)
Maude Post Office	Australia	Record daily precipitation	34.8 mm (1.4 in)	61 of 100 (Major)
Cohuna (Goulburn Murray)	Australia	Record daily precipitation	40.4 mm (1.6 in)	61 of 100 (Major)
Fernihurst	Australia	Record daily precipitation	48.8 mm (1.9 in)	61 of 100 (Major)
Biddenham	Australia	Record daily precipitation	73.2 mm (2.9 in)	60 of 100 (Major)
Oakwood	Australia	Record daily precipitation	59.7 mm (2.4 in)	60 of 100 (Major)
Balranald (Tillara)	Australia	Record daily precipitation	34.3 mm (1.4 in)	60 of 100 (Major)
Nullawil	Australia	Record daily precipitation	44.5 mm (1.8 in)	60 of 100 (Major)
Rainbow (Pella)	Australia	Record daily precipitation	45.7 mm (1.8 in)	60 of 100 (Major)
Sea Lake (Marston Downs)	Australia	Record daily precipitation	58.2 mm (2.3 in)	60 of 100 (Major)
Ultima (Post Office)	Australia	Record daily precipitation	58.4 mm (2.3 in)	60 of 100 (Major)
Cedar Key 1 WSW	United States	Record daily precipitation	170.2 mm (6.7 in)	60 of 100 (Major)
Paruna	Australia	Record daily precipitation	27.9 mm (1.1 in)	59 of 100 (Notable)
Augathella Post Office	Australia	Record daily precipitation	76.5 mm (3.0 in)	59 of 100 (Notable)
Manangatang	Australia	Record daily precipitation	34.8 mm (1.4 in)	59 of 100 (Notable)
Kerang	Australia	Record daily precipitation	33.8 mm (1.3 in)	59 of 100 (Notable)
Rutherglen Post Office	Australia	Record daily precipitation	35.8 mm (1.4 in)	59 of 100 (Notable)
Mount Hope (Cypress Grove)	Australia	Record daily precipitation	26.7 mm (1.1 in)	58 of 100 (Notable)
Carrathool (Gum Creek)	Australia	Record daily precipitation	40.4 mm (1.6 in)	58 of 100 (Notable)
Wycheproof (Post Office)	Australia	Record daily precipitation	36.8 mm (1.4 in)	58 of 100 (Notable)
St Arnaud (Coonooer Bridge)	Australia	Record daily precipitation	35.8 mm (1.4 in)	58 of 100 (Notable)
Mincha	Australia	Record daily precipitation	36.8 mm (1.4 in)	58 of 100 (Notable)
Trida (Willandra National Park	Australia	Record daily precipitation	26.9 mm (1.1 in)	57 of 100 (Notable)
Mallan (Niemur Valley)	Australia	Record daily precipitation	30.5 mm (1.2 in)	57 of 100 (Notable)
Elamang	Australia	Record daily precipitation	37.3 mm (1.5 in)	57 of 100 (Notable)
Uardry (Oolambeyan)	Australia	Record daily precipitation	36.8 mm (1.4 in)	57 of 100 (Notable)
Wakool (Calimo)	Australia	Record daily precipitation	38.9 mm (1.5 in)	56 of 100 (Notable)
Birchip (Woodlands)	Australia	Record daily precipitation	44.5 mm (1.8 in)	56 of 100 (Notable)
Narraport	Australia	Record daily precipitation	36.8 mm (1.4 in)	56 of 100 (Notable)
Tandarra	Australia	Record daily precipitation	38.4 mm (1.5 in)	56 of 100 (Notable)
Colbinabbin	Australia	Record daily precipitation	42.7 mm (1.7 in)	56 of 100 (Notable)
Milawa Brown Bros	Australia	Record daily precipitation	47.2 mm (1.9 in)	56 of 100 (Notable)
Trida (Murrumbong)	Australia	Record daily precipitation	32.3 mm (1.3 in)	55 of 100 (Notable)
Darlington Point (Tubbo)	Australia	Record daily precipitation	26.2 mm (1.0 in)	55 of 100 (Notable)
Culgoa	Australia	Record daily precipitation	54.9 mm (2.2 in)	55 of 100 (Notable)
Rainbow (Werrap (Oak-Lea))	Australia	Record daily precipitation	44.5 mm (1.8 in)	55 of 100 (Notable)
Puckapunyal	Australia	Record daily precipitation	45.2 mm (1.8 in)	55 of 100 (Notable)
Nyah West Post Office	Australia	Record daily precipitation	54.1 mm (2.1 in)	54 of 100 (Notable)
Ouyen (Post Office)	Australia	Record daily precipitation	41.7 mm (1.6 in)	54 of 100 (Notable)
Charlton Post Office	Australia	Record daily precipitation	31.5 mm (1.2 in)	54 of 100 (Notable)
Korong Vale (Post Office)	Australia	Record daily precipitation	41.7 mm (1.6 in)	54 of 100 (Notable)
Mitiamo	Australia	Record daily precipitation	38.4 mm (1.5 in)	54 of 100 (Notable)
Laanecoorie Weir	Australia	Record daily precipitation	36.3 mm (1.4 in)	54 of 100 (Notable)
Rushworth	Australia	Record daily precipitation	40.1 mm (1.6 in)	54 of 100 (Notable)
Avenel (Post Office)	Australia	Record daily precipitation	44.2 mm (1.7 in)	54 of 100 (Notable)
Cobar (Paddington)	Australia	Record daily precipitation	39.9 mm (1.6 in)	53 of 100 (Notable)
Haysdale	Australia	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)

Counts by Type and Timescale

1,195 records

Records set or tied on 11 September 1964 by type: Highest daily maximum 74, Lowest daily maximum 103, Highest daily minimum 121, Lowest daily minimum 152, Heaviest daily rainfall 745.

Records on 11 September 1964 by type
Record type	Records
Highest daily maximum	74
Lowest daily maximum	103
Highest daily minimum	121
Lowest daily minimum	152
Heaviest daily rainfall	745
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 September 1964 by timescale: all-time 0, monthly 51, daily 1,144.

How Much Records Were Beaten By

1,023 broken records

Margins by which the 1,023 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.9. Ties are not counted.

Top 20 by Significance

11 September 1964

Top 20 records on 11 September 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1964	Waitchie, AU	monthly rain	62.0 mm (2.4 in)	29.0 mm (1.1 in)	53 years	72 of 100 (Major)
11 September 1964	Sea Lake (Post Office), AU	monthly rain	58.7 mm (2.3 in)	19.8 mm (0.8 in)	47 years	66 of 100 (Major)
11 September 1964	Tyrrell Downs, AU	monthly rain	49.8 mm (2.0 in)	14.2 mm (0.6 in)	77 years	66 of 100 (Major)
11 September 1964	Bendigo Prison, AU	daily rain	36.1 mm (1.4 in)	19.6 mm (0.8 in)	96 years	66 of 100 (Major)
11 September 1964	Moulamein Post Office, AU	daily rain	34.3 mm (1.4 in)	22.6 mm (0.9 in)	64 years	64 of 100 (Major)
11 September 1964	Nyah, AU	monthly rain	69.1 mm (2.7 in)	20.3 mm (0.8 in)	47 years	64 of 100 (Major)
11 September 1964	Donald Post Office, AU	daily rain	38.1 mm (1.5 in)	20.1 mm (0.8 in)	78 years	64 of 100 (Major)
11 September 1964	Renmark, AU	daily rain	33.5 mm (1.3 in)	23.8 mm (0.9 in)	64 years	63 of 100 (Major)
11 September 1964	Nagambie Cba, AU	daily rain	47.0 mm (1.9 in)	31.3 mm (1.2 in)	54 years	63 of 100 (Major)
11 September 1964	Wahgunyah, AU	daily rain	46.0 mm (1.8 in)	24.4 mm (1.0 in)	78 years	63 of 100 (Major)
11 September 1964	Carrathool (Uardry), AU	daily rain	41.9 mm (1.6 in)	29.7 mm (1.2 in)	49 years	62 of 100 (Major)
11 September 1964	Wedderburn (Post Office), AU	daily rain	46.5 mm (1.8 in)	32.3 mm (1.3 in)	49 years	62 of 100 (Major)
11 September 1964	Tarnagulla, AU	daily rain	36.6 mm (1.4 in)	26.7 mm (1.1 in)	54 years	62 of 100 (Major)
11 September 1964	Seymour Shire Depot, AU	daily rain	47.2 mm (1.9 in)	30.4 mm (1.2 in)	54 years	62 of 100 (Major)
11 September 1964	Maude Post Office, AU	daily rain	34.8 mm (1.4 in)	29.7 mm (1.2 in)	49 years	61 of 100 (Major)
11 September 1964	Cohuna (Goulburn Murray), AU	daily rain	40.4 mm (1.6 in)	29.7 mm (1.2 in)	49 years	61 of 100 (Major)
11 September 1964	Fernihurst, AU	daily rain	48.8 mm (1.9 in)	25.9 mm (1.0 in)	54 years	61 of 100 (Major)
11 September 1964	Biddenham, AU	daily rain	73.2 mm (2.9 in)	55.4 mm (2.2 in)	40 years	60 of 100 (Major)
11 September 1964	Oakwood, AU	daily rain	59.7 mm (2.4 in)	47.0 mm (1.9 in)	40 years	60 of 100 (Major)
11 September 1964	Balranald (Tillara), AU	daily rain	34.3 mm (1.4 in)	25.4 mm (1.0 in)	49 years	60 of 100 (Major)

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

1809 to 1964

Records set or tied on this calendar date in each year from 1809 to 1964. 1964 had 1,195 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 1964-09-11: 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 20	883
20 to 40	115
40 to 60	19
60 to 80	4
80 to 100	2