Weather Records on 9 April 1964

645 weather records were set or tied worldwide on 9 April 1964. Highest significance: Macedon Forestry, AU.

Key Facts for 9 April 1964

On 9 April 1964, 645 weather records were set or tied at long-record stations worldwide.
34 were record highs and 144 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 632 daily.
Macedon Forestry set a daily record precipitation of 58.2 mm (2.3 in) on 9 April 1964.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

645 stations

645 station records on 9 April 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 April 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Macedon Forestry	Australia	Record daily precipitation	58.2 mm (2.3 in)	71 of 100 (Major)
Gisborne	Australia	Record daily precipitation	50.0 mm (2.0 in)	69 of 100 (Major)
Woodend (Carlisle Street)	Australia	Record daily precipitation	73.4 mm (2.9 in)	69 of 100 (Major)
Ballan	Australia	Record daily precipitation	50.0 mm (2.0 in)	68 of 100 (Major)
Durdidwarrah	Australia	Record daily precipitation	54.6 mm (2.1 in)	66 of 100 (Major)
Paupong Station	Australia	Record daily precipitation	79.8 mm (3.1 in)	65 of 100 (Major)
Romsey	Australia	Record daily precipitation	57.9 mm (2.3 in)	65 of 100 (Major)
Anakie	Australia	Record daily precipitation	49.5 mm (1.9 in)	64 of 100 (Major)
Meredith	Australia	Record daily precipitation	52.6 mm (2.1 in)	64 of 100 (Major)
Lancefield	Australia	Record daily precipitation	65.3 mm (2.6 in)	62 of 100 (Major)
Rockbank	Australia	Record daily precipitation	30.5 mm (1.2 in)	59 of 100 (Notable)
Linton Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	58 of 100 (Notable)
Culcairn Bowling Club	Australia	Record daily precipitation	45.2 mm (1.8 in)	57 of 100 (Notable)
Balliang East (Chesney)	Australia	Record daily precipitation	39.4 mm (1.6 in)	57 of 100 (Notable)
Mount Macedon (Burncranna)	Australia	Record daily precipitation	52.8 mm (2.1 in)	57 of 100 (Notable)
Moorabool Reservoir	Australia	Record daily precipitation	36.8 mm (1.4 in)	55 of 100 (Notable)
Tennyson	Australia	Record daily precipitation	40.1 mm (1.6 in)	54 of 100 (Notable)
Bairnsdale Post Office	Australia	Record daily precipitation	55.1 mm (2.2 in)	54 of 100 (Notable)
Somerton	Australia	Record daily precipitation	35.8 mm (1.4 in)	54 of 100 (Notable)
Coliban Upper	Australia	Record daily precipitation	34.0 mm (1.3 in)	54 of 100 (Notable)
Pacatuba (Pacatiba)	Brazil	Record daily precipitation	95.4 mm (3.8 in)	54 of 100 (Notable)
Fernbank	Australia	Record daily precipitation	62.2 mm (2.4 in)	53 of 100 (Notable)
Scotsburn (Mount Boninyong)	Australia	Record daily precipitation	36.6 mm (1.4 in)	53 of 100 (Notable)
Bombala (Nungatta)	Australia	Record daily precipitation	51.6 mm (2.0 in)	52 of 100 (Notable)
Dellicknora (Tellicura)	Australia	Record daily precipitation	56.1 mm (2.2 in)	52 of 100 (Notable)
Trentham (Post Office)	Australia	Record daily precipitation	51.1 mm (2.0 in)	52 of 100 (Notable)
Paynesville	Australia	Record daily precipitation	61.2 mm (2.4 in)	51 of 100 (Notable)
Balliang East	Australia	Record daily precipitation	33.0 mm (1.3 in)	51 of 100 (Notable)
Deer Park	Australia	Record daily precipitation	35.1 mm (1.4 in)	51 of 100 (Notable)
Wedderburn (Post Office)	Australia	Record daily precipitation	28.4 mm (1.1 in)	50 of 100 (Notable)
Keilor (Arundel)	Australia	Record daily precipitation	38.9 mm (1.5 in)	50 of 100 (Notable)
Woodend (Corinella Road)	Australia	Record daily precipitation	68.8 mm (2.7 in)	50 of 100 (Notable)
Lagoa da Canoa	Brazil	Record daily precipitation	52.0 mm (2.0 in)	50 of 100 (Notable)
Pyalong West (Cavan Park)	Australia	Record daily precipitation	51.6 mm (2.0 in)	49 of 100 (Notable)
Mount Caroline	Australia	Record daily precipitation	25.4 mm (1.0 in)	48 of 100 (Notable)
Bombala (Therry Street)	Australia	Record daily precipitation	40.6 mm (1.6 in)	48 of 100 (Notable)
Mount Towrong	Australia	Record daily precipitation	76.7 mm (3.0 in)	48 of 100 (Notable)
Mount Fairy (Merigan)	Australia	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Boree Creek (Richmond St)	Australia	Record daily precipitation	42.4 mm (1.7 in)	47 of 100 (Notable)
Bannockburn	Australia	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Shelford	Australia	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
Ballarat Aerodrome	Australia	Record daily precipitation	33.3 mm (1.3 in)	47 of 100 (Notable)
Humula (Rylands)	Australia	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Gunbower Gee Tee Stud	Australia	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Delegate River	Australia	Record daily precipitation	46.7 mm (1.8 in)	46 of 100 (Notable)
Wulgulmerang	Australia	Record daily precipitation	58.2 mm (2.3 in)	46 of 100 (Notable)
Werribee Post Office	Australia	Record daily precipitation	27.4 mm (1.1 in)	46 of 100 (Notable)
Walla Walla Post Office	Australia	Record daily precipitation	42.4 mm (1.7 in)	45 of 100 (Notable)
Lara Lake	Australia	Record daily precipitation	36.6 mm (1.4 in)	45 of 100 (Notable)
Elaine (Larundel)	Australia	Record daily precipitation	34.8 mm (1.4 in)	45 of 100 (Notable)
Belconnen (Weetangerra)	Australia	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Queanbeyan Bowling Club	Australia	Record daily precipitation	32.0 mm (1.3 in)	44 of 100 (Notable)
Butchers Ridge Post Office	Australia	Record daily precipitation	59.7 mm (2.4 in)	44 of 100 (Notable)
Wallan (Walnarring)	Australia	Record daily precipitation	52.6 mm (2.1 in)	44 of 100 (Notable)
Ballan (Fiskville)	Australia	Record daily precipitation	48.3 mm (1.9 in)	44 of 100 (Notable)
Candelo Post Office	Australia	Record daily precipitation	37.6 mm (1.5 in)	43 of 100 (Notable)
Omeo Comparison	Australia	Record daily precipitation	45.5 mm (1.8 in)	43 of 100 (Notable)
Pascoe Vale	Australia	Record daily precipitation	28.7 mm (1.1 in)	43 of 100 (Notable)
Little River (Mount Rothwell)	Australia	Record daily precipitation	25.1 mm (1.0 in)	43 of 100 (Notable)
Numbla	Australia	Record daily precipitation	60.5 mm (2.4 in)	42 of 100 (Notable)

Counts by Type and Timescale

645 records

Records set or tied on 9 April 1964 by type: Highest daily maximum 5, Lowest daily maximum 41, Highest daily minimum 29, Lowest daily minimum 103, Heaviest daily rainfall 456, Heaviest daily snowfall 8, Deepest snow cover 3.

Records on 9 April 1964 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	41
Highest daily minimum	29
Lowest daily minimum	103
Heaviest daily rainfall	456
Heaviest daily snowfall	8
Deepest snow cover	3

Records on 9 April 1964 by timescale: all-time 0, monthly 13, daily 632.

How Much Records Were Beaten By

567 broken records

Margins by which the 567 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

9 April 1964

Top 20 records on 9 April 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 April 1964	Macedon Forestry, AU	daily rain	58.2 mm (2.3 in)	42.5 mm (1.7 in)	73 years	71 of 100 (Major)
9 April 1964	Gisborne, AU	daily rain	50.0 mm (2.0 in)	39.3 mm (1.5 in)	73 years	69 of 100 (Major)
9 April 1964	Woodend (Carlisle Street), AU	daily rain	73.4 mm (2.9 in)	51.8 mm (2.0 in)	73 years	69 of 100 (Major)
9 April 1964	Ballan, AU	daily rain	50.0 mm (2.0 in)	31.5 mm (1.2 in)	76 years	68 of 100 (Major)
9 April 1964	Durdidwarrah, AU	daily rain	54.6 mm (2.1 in)	31.2 mm (1.2 in)	59 years	66 of 100 (Major)
9 April 1964	Paupong Station, AU	daily rain	79.8 mm (3.1 in)	64.8 mm (2.6 in)	64 years	65 of 100 (Major)
9 April 1964	Romsey, AU	daily rain	57.9 mm (2.3 in)	29.5 mm (1.2 in)	59 years	65 of 100 (Major)
9 April 1964	Anakie, AU	daily rain	49.5 mm (1.9 in)	26.1 mm (1.0 in)	59 years	64 of 100 (Major)
9 April 1964	Meredith, AU	daily rain	52.6 mm (2.1 in)	35.1 mm (1.4 in)	59 years	64 of 100 (Major)
9 April 1964	Lancefield, AU	daily rain	65.3 mm (2.6 in)	30.5 mm (1.2 in)	59 years	62 of 100 (Major)
9 April 1964	Rockbank, AU	daily rain	30.5 mm (1.2 in)	26.7 mm (1.1 in)	47 years	59 of 100 (Notable)
9 April 1964	Linton Post Office, AU	daily rain	48.0 mm (1.9 in)	31.7 mm (1.2 in)	40 years	58 of 100 (Notable)
9 April 1964	Culcairn Bowling Club, AU	daily rain	45.2 mm (1.8 in)	33.8 mm (1.3 in)	40 years	57 of 100 (Notable)
9 April 1964	Balliang East (Chesney), AU	daily rain	39.4 mm (1.6 in)	28.7 mm (1.1 in)	40 years	57 of 100 (Notable)
9 April 1964	Mount Macedon (Burncranna), AU	daily rain	52.8 mm (2.1 in)	37.3 mm (1.5 in)	40 years	57 of 100 (Notable)
9 April 1964	Moorabool Reservoir, AU	daily rain	36.8 mm (1.4 in)	28.2 mm (1.1 in)	47 years	55 of 100 (Notable)
9 April 1964	Tennyson, AU	daily rain	40.1 mm (1.6 in)	21.0 mm (0.8 in)	73 years	54 of 100 (Notable)
9 April 1964	Bairnsdale Post Office, AU	daily rain	55.1 mm (2.2 in)	34.8 mm (1.4 in)	29 years	54 of 100 (Notable)
9 April 1964	Somerton, AU	daily rain	35.8 mm (1.4 in)	25.1 mm (1.0 in)	40 years	54 of 100 (Notable)
9 April 1964	Coliban Upper, AU	daily rain	34.0 mm (1.3 in)	25.1 mm (1.0 in)	47 years	54 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

1793 to 1964

Records set or tied on this calendar date in each year from 1793 to 1964. 1964 had 645 records.

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

Records on 04-09 in each year
Year	Records
1793	2
1798	1
1800	1
1805	1
1809	2
1812	2
1815	1
1818	1
1839	1
1842	2
1844	1
1846	1
1847	1
1849	1
1854	1
1856	1
1859	1
1862	1
1863	1
1864	1
1865	2
1866	2
1869	1
1871	2
1873	1
1877	1
1883	1
1884	1
1885	3
1886	1
1887	1
1888	3
1889	1
1890	7
1892	1
1893	1
1894	2
1895	4
1896	1
1897	3
1898	3
1899	9
1900	3
1901	8
1902	8
1903	12
1904	15
1905	21
1906	20
1907	21
1908	28
1909	25
1910	19
1911	21
1912	51
1913	16
1914	41
1915	89
1916	85
1917	105
1918	29
1919	67
1920	56
1921	114
1922	140
1923	79
1924	353
1925	129
1926	83
1927	260
1928	395
1929	402
1930	430
1931	193
1932	119
1933	320
1934	310
1935	398
1936	151
1937	172
1938	378
1939	282
1940	214
1941	297
1942	432
1943	752
1944	564
1945	1,055
1946	335
1947	174
1948	365
1949	179
1950	750
1951	304
1952	578
1953	638
1954	239
1955	484
1956	371
1957	502
1958	294
1959	634
1960	623
1961	879
1962	344
1963	390
1964	645
1965	651
1966	466
1967	743
1968	669
1969	898
1970	489
1971	576
1972	1,200
1973	1,695
1974	972
1975	968
1976	347
1977	1,693
1978	921
1979	855
1980	911
1981	785
1982	1,923
1983	1,170
1984	904
1985	1,424
1986	620
1987	604
1988	737
1989	1,402
1990	888
1991	1,545
1992	641
1993	687
1994	511
1995	1,296
1996	1,547
1997	2,686
1998	1,018
1999	1,848
2000	997
2001	1,947
2002	590
2003	1,781
2004	572
2005	998
2006	603
2007	1,412
2008	1,029
2009	802
2010	652
2011	1,480
2012	640
2013	1,245
2014	592
2015	664
2016	974
2017	759
2018	1,306
2019	716
2020	916
2021	642
2022	574
2023	512
2024	1,093
2025	530
2026	517

Download the Data

Data for records on 1964-04-09: 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	485
20 to 40	71
40 to 60	6
60 to 80	4
80 to 100	0
100 to 120	1