Weather Records on 9 May 1964

503 weather records were set or tied worldwide on 9 May 1964. Highest significance: Tupper Lake Sunmount, US.

Key Facts for 9 May 1964

On 9 May 1964, 503 weather records were set or tied at long-record stations worldwide.
275 were record highs and 114 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 480 daily.
Tupper Lake Sunmount set a daily record precipitation of 30.2 mm (1.2 in) on 9 May 1964.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 432 records.

Record Map

503 stations

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

Weather records on 9 May 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tupper Lake Sunmount	United States	Record daily precipitation	30.2 mm (1.2 in)	53 of 100 (Notable)
Eagle Harbor	United States	Record daily precipitation	45.5 mm (1.8 in)	52 of 100 (Notable)
Rest Lake	United States	Record daily precipitation	56.6 mm (2.2 in)	52 of 100 (Notable)
Detour Village	United States	Record daily precipitation	53.3 mm (2.1 in)	51 of 100 (Notable)
Cooktown Post Office	Australia	Record daily precipitation	87.9 mm (3.5 in)	50 of 100 (Notable)
Long Pocket	Australia	Record daily precipitation	56.6 mm (2.2 in)	50 of 100 (Notable)
Yalta	Ukraine	Record daily precipitation	28.5 mm (1.1 in)	49 of 100 (Notable)
Orenburg	Russia	Record daily precipitation	30.3 mm (1.2 in)	47 of 100 (Notable)
New Ulm 2 SE	United States	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Lake Placid 2 S	United States	Record daily precipitation	34.3 mm (1.4 in)	47 of 100 (Notable)
Bergland Dam	United States	Record daily precipitation	73.7 mm (2.9 in)	46 of 100 (Notable)
Ironwood	United States	Record daily precipitation	42.7 mm (1.7 in)	45 of 100 (Notable)
Manistique Wwtp	United States	Record daily precipitation	46.7 mm (1.8 in)	44 of 100 (Notable)
Barh	India	Record daily precipitation	36.0 mm (1.4 in)	43 of 100 (Notable)
Henichesk	Ukraine	Record daily precipitation	26.5 mm (1.0 in)	43 of 100 (Notable)
Saranac Lake	United States	Record daily precipitation	37.3 mm (1.5 in)	43 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Dawson	Canada	Record low maximum temperature	-7.2 C (19.0 F)	40 of 100 (Notable)
Eagle	United States	Record low maximum temperature	-9.4 C (15.1 F)	39 of 100 (Notable)
Pembroke Eddy Match	Canada	Record high minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
New Martinsville 4 NNE	United States	Record high minimum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
University Exp STN	United States	Record low minimum temperature	-16.7 C (1.9 F)	37 of 100 (Notable)
Mayo A	Canada	Record daily snowfall	15.0 cm (5.9 in)	36 of 100 (Notable)
Smoky Falls	Canada	Record daily precipitation	40.1 mm (1.6 in)	36 of 100 (Notable)
Santa Fe	United States	Record low minimum temperature	-1.7 C (28.9 F)	36 of 100 (Notable)
Grand Falls	Canada	Record daily precipitation	36.6 mm (1.4 in)	35 of 100 (Notable)
Novorossijsk	Russia	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Blue Hill Coop	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Fall River	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Plattsburgh AFB	United States	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
University Exp STN	United States	Record low maximum temperature	-6.7 C (19.9 F)	35 of 100 (Notable)
Princess Anne	United States	Record high minimum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Cape May 2 NW	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Poughkeepsie	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Juneau Dwtn	United States	Record daily precipitation	37.6 mm (1.5 in)	34 of 100 (Routine)
Cave Run Lake	United States	Record high minimum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Beckley Va Hospital	United States	Record high minimum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Victoria Sugar Mill	Australia	Record daily precipitation	59.7 mm (2.4 in)	32 of 100 (Routine)
Feodosiia	Ukraine	Record daily precipitation	34.9 mm (1.4 in)	32 of 100 (Routine)
Middletown 4 W	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Price	Canada	Record daily precipitation	27.9 mm (1.1 in)	31 of 100 (Routine)
Brockton	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Cooperstown	United States	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Lawrenceville 3 SW	United States	Record daily precipitation	30.7 mm (1.2 in)	31 of 100 (Routine)
Ashland	United States	Record high maximum temperature	33.3 C (91.9 F)	31 of 100 (Routine)
Seward AP	United States	Record low minimum temperature	-6.1 C (21.0 F)	31 of 100 (Routine)
Ny City Cntrl Park	United States	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Barrage A Lac Kempt	Canada	Record daily precipitation	33.5 mm (1.3 in)	30 of 100 (Routine)
Phoenixville 1 E	United States	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Hatfield	United States	Record daily precipitation	44.7 mm (1.8 in)	30 of 100 (Routine)
Marinette	United States	Record daily precipitation	39.4 mm (1.6 in)	30 of 100 (Routine)
Manley Hot Springs	United States	Record low minimum temperature	-13.9 C (7.0 F)	30 of 100 (Routine)
Mayo A	Canada	Record low maximum temperature	-4.4 C (24.1 F)	29 of 100 (Routine)
Barrage Temiscamingue	Canada	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Storrs	United States	Record high minimum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Newark Ag Farm	United States	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Mio Hydro Plt	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Carmel	United States	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Phelps	United States	Record daily precipitation	29.7 mm (1.2 in)	29 of 100 (Routine)
Lac Onatchiway	Canada	Record daily precipitation	36.3 mm (1.4 in)	28 of 100 (Routine)

Counts by Type and Timescale

503 records

Records set or tied on 9 May 1964 by type: Highest daily maximum 31, Lowest daily maximum 34, Highest daily minimum 244, Lowest daily minimum 80, Heaviest daily rainfall 110, Heaviest daily snowfall 4.

Records on 9 May 1964 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	34
Highest daily minimum	244
Lowest daily minimum	80
Heaviest daily rainfall	110
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 9 May 1964 by timescale: all-time 0, monthly 23, daily 480.

How Much Records Were Beaten By

407 broken records

Margins by which the 407 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.0. Ties are not counted.

Top 20 by Significance

9 May 1964

Top 20 records on 9 May 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1964	Tupper Lake Sunmount, US	daily rain	30.2 mm (1.2 in)	19.3 mm (0.8 in)	64 years	53 of 100 (Notable)
9 May 1964	Eagle Harbor, US	daily rain	45.5 mm (1.8 in)	25.2 mm (1.0 in)	48 years	52 of 100 (Notable)
9 May 1964	Rest Lake, US	daily rain	56.6 mm (2.2 in)	35.8 mm (1.4 in)	46 years	52 of 100 (Notable)
9 May 1964	Detour Village, US	daily rain	53.3 mm (2.1 in)	30.4 mm (1.2 in)	52 years	51 of 100 (Notable)
9 May 1964	Cooktown Post Office, AU	daily rain	87.9 mm (3.5 in)	60.0 mm (2.4 in)	7 years	50 of 100 (Notable)
9 May 1964	Long Pocket, AU	daily rain	56.6 mm (2.2 in)	32.5 mm (1.3 in)	34 years	50 of 100 (Notable)
9 May 1964	Yalta, UA	daily rain	28.5 mm (1.1 in)	10.5 mm (0.4 in)	70 years	49 of 100 (Notable)
9 May 1964	Orenburg, RU	daily rain	30.3 mm (1.2 in)	12.9 mm (0.5 in)	54 years	47 of 100 (Notable)
9 May 1964	New Ulm 2 SE, US	daily rain	53.8 mm (2.1 in)	27.1 mm (1.1 in)	42 years	47 of 100 (Notable)
9 May 1964	Lake Placid 2 S, US	daily rain	34.3 mm (1.4 in)	22.1 mm (0.9 in)	21 years	47 of 100 (Notable)
9 May 1964	Bergland Dam, US	monthly rain	73.7 mm (2.9 in)	20.4 mm (0.8 in)	23 years	46 of 100 (Notable)
9 May 1964	Ironwood, US	daily rain	42.7 mm (1.7 in)	24.7 mm (1.0 in)	37 years	45 of 100 (Notable)
9 May 1964	Manistique Wwtp, US	daily rain	46.7 mm (1.8 in)	30.4 mm (1.2 in)	14 years	44 of 100 (Notable)
9 May 1964	Barh, IN	daily rain	36.0 mm (1.4 in)	23.3 mm (0.9 in)	59 years	43 of 100 (Notable)
9 May 1964	Henichesk, UA	daily rain	26.5 mm (1.0 in)	9.0 mm (0.35 in)	70 years	43 of 100 (Notable)
9 May 1964	Saranac Lake, US	monthly rain	37.3 mm (1.5 in)	4.3 mm (0.17 in)	69 years	43 of 100 (Notable)
9 May 1964	Portsmouth-Sciotoville, US	daily high min	22.8 C (73.0 F)	6.7 C (12.1 F)	68 years	41 of 100 (Notable)
9 May 1964	Dawson, CA	monthly low max	-7.2 C (19.0 F)	5.0 C (9.0 F)	47 years	40 of 100 (Notable)
9 May 1964	Eagle, US	monthly low max	-9.4 C (15.1 F)	5.5 C (9.9 F)	47 years	39 of 100 (Notable)
9 May 1964	Pembroke Eddy Match, CA	daily high min	15.6 C (60.1 F)	2.3 C (4.1 F)	82 years	38 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 503 records.

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

Records on 05-09 in each year
Year	Records
1793	1
1795	1
1806	1
1810	1
1823	1
1834	1
1838	1
1843	1
1845	2
1846	1
1848	1
1850	2
1855	2
1857	1
1858	1
1861	1
1862	1
1864	2
1865	2
1867	2
1872	1
1873	2
1874	1
1875	2
1879	4
1880	3
1882	1
1883	2
1884	3
1885	3
1889	3
1890	3
1891	3
1892	1
1893	1
1895	2
1896	4
1897	3
1898	3
1899	2
1900	2
1901	9
1902	8
1903	9
1904	14
1905	34
1906	41
1907	11
1908	16
1909	34
1910	45
1911	23
1912	23
1913	15
1914	43
1915	27
1916	26
1917	50
1918	49
1919	47
1920	56
1921	102
1922	45
1923	461
1924	262
1925	123
1926	196
1927	343
1928	302
1929	166
1930	526
1931	411
1932	132
1933	482
1934	750
1935	111
1936	622
1937	128
1938	171
1939	345
1940	237
1941	335
1942	180
1943	524
1944	412
1945	538
1946	278
1947	1,145
1948	379
1949	417
1950	660
1951	188
1952	348
1953	507
1954	489
1955	288
1956	722
1957	505
1958	355
1959	252
1960	748
1961	516
1962	435
1963	1,103
1964	503
1965	730
1966	994
1967	681
1968	545
1969	653
1970	372
1971	338
1972	587
1973	386
1974	699
1975	465
1976	714
1977	931
1978	649
1979	1,605
1980	1,030
1981	639
1982	523
1983	872
1984	892
1985	829
1986	1,253
1987	1,481
1988	594
1989	1,347
1990	850
1991	759
1992	1,476
1993	967
1994	573
1995	960
1996	1,260
1997	1,088
1998	1,182
1999	970
2000	1,114
2001	969
2002	1,489
2003	1,802
2004	926
2005	851
2006	738
2007	765
2008	693
2009	816
2010	764
2011	1,104
2012	686
2013	684
2014	754
2015	689
2016	917
2017	539
2018	879
2019	1,043
2020	1,673
2021	501
2022	1,308
2023	474
2024	792
2025	622
2026	309

Download the Data

Data for records on 1964-05-09: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 20	391
20 to 40	13
40 to 60	1
60 to 80	1
80 to 100	1