Weather Records on 3 May 1964

908 weather records were set or tied worldwide on 3 May 1964. Highest significance: Helena 6 N, US.

Key Facts for 3 May 1964

On 3 May 1964, 908 weather records were set or tied at long-record stations worldwide.
98 were record highs and 324 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 76 monthly and 830 daily.
Helena 6 N set a monthly record daily snowfall of 25.4 cm (10.0 in) on 3 May 1964.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 430 records.

Record Map

908 stations

908 station records on 3 May 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 3 May 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Helena 6 N	United States	Record daily snowfall	25.4 cm (10.0 in)	65 of 100 (Major)
Quitman 2 NW	United States	Record daily precipitation	136.4 mm (5.4 in)	64 of 100 (Major)
Athens	United States	Record daily precipitation	90.4 mm (3.6 in)	63 of 100 (Major)
Brewster	United States	Record daily precipitation	142.2 mm (5.6 in)	63 of 100 (Major)
Miller	United States	Record daily precipitation	79.0 mm (3.1 in)	63 of 100 (Major)
Blackleaf	United States	Record daily precipitation	74.7 mm (2.9 in)	62 of 100 (Major)
Ashley	United States	Record daily precipitation	58.2 mm (2.3 in)	62 of 100 (Major)
Cascade 5 S	United States	Record daily precipitation	47.8 mm (1.9 in)	61 of 100 (Major)
Bainbridge	United States	Record daily precipitation	118.9 mm (4.7 in)	60 of 100 (Major)
Mellette 4 W	United States	Record daily precipitation	79.2 mm (3.1 in)	60 of 100 (Major)
Lewisburg Exp STN	United States	Record daily precipitation	68.1 mm (2.7 in)	58 of 100 (Notable)
Newport	United States	Record daily precipitation	91.4 mm (3.6 in)	57 of 100 (Notable)
Nova Russas	Brazil	Record daily precipitation	153.6 mm (6.0 in)	56 of 100 (Notable)
Gainesville	United States	Record daily precipitation	72.4 mm (2.9 in)	56 of 100 (Notable)
Choteau	United States	Record daily precipitation	53.8 mm (2.1 in)	56 of 100 (Notable)
Redfield	United States	Record daily precipitation	57.9 mm (2.3 in)	56 of 100 (Notable)
Santa Cruz	Brazil	Record daily precipitation	103.0 mm (4.1 in)	55 of 100 (Notable)
Conrad	United States	Record daily precipitation	33.5 mm (1.3 in)	55 of 100 (Notable)
Kingstree	United States	Record daily precipitation	52.1 mm (2.1 in)	55 of 100 (Notable)
Ipswich	United States	Record daily precipitation	77.0 mm (3.0 in)	55 of 100 (Notable)
Resaca	United States	Record daily precipitation	93.2 mm (3.7 in)	54 of 100 (Notable)
Ft Benton	United States	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Helena 6 N	United States	Record daily precipitation	31.2 mm (1.2 in)	53 of 100 (Notable)
Eureka	United States	Record daily precipitation	41.7 mm (1.6 in)	53 of 100 (Notable)
Elberton 2 N	United States	Record daily precipitation	73.2 mm (2.9 in)	52 of 100 (Notable)
Babb 6 NE	United States	Record daily precipitation	54.4 mm (2.1 in)	51 of 100 (Notable)
Batesburg	United States	Record daily precipitation	76.5 mm (3.0 in)	51 of 100 (Notable)
Summerville 4W	United States	Record daily precipitation	93.0 mm (3.7 in)	51 of 100 (Notable)
White Lake	United States	Record daily precipitation	66.0 mm (2.6 in)	51 of 100 (Notable)
Covington	United States	Record daily precipitation	76.7 mm (3.0 in)	50 of 100 (Notable)
Experiment	United States	Record daily precipitation	55.6 mm (2.2 in)	50 of 100 (Notable)
Scottsboro	United States	Record daily precipitation	88.9 mm (3.5 in)	49 of 100 (Notable)
Adairsville	United States	Record daily precipitation	86.9 mm (3.4 in)	49 of 100 (Notable)
Warrenton	United States	Record daily precipitation	99.1 mm (3.9 in)	49 of 100 (Notable)
Ashton 1N	United States	Record daily snowfall	12.7 cm (5.0 in)	49 of 100 (Notable)
Grass Range	United States	Record daily precipitation	46.5 mm (1.8 in)	49 of 100 (Notable)
Lewistown AP	United States	Record daily precipitation	40.9 mm (1.6 in)	49 of 100 (Notable)
Federal Pt	United States	Record daily precipitation	71.4 mm (2.8 in)	48 of 100 (Notable)
Hebgen Dam	United States	Record daily snowfall	22.9 cm (9.0 in)	48 of 100 (Notable)
Calhoun Falls	United States	Record daily precipitation	74.2 mm (2.9 in)	47 of 100 (Notable)
Espirito Santo	Brazil	Record daily precipitation	43.2 mm (1.7 in)	46 of 100 (Notable)
Valier	United States	Record daily precipitation	29.5 mm (1.2 in)	46 of 100 (Notable)
Biggar	Canada	Record daily precipitation	39.6 mm (1.6 in)	45 of 100 (Notable)
Chester	United States	Record daily snowfall	19.1 cm (7.5 in)	45 of 100 (Notable)
Griffin	United States	Record daily precipitation	66.3 mm (2.6 in)	45 of 100 (Notable)
Gann Valley 4NW	United States	Record daily precipitation	54.6 mm (2.1 in)	45 of 100 (Notable)
Deer Creek Ph	United States	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Rome	United States	Record daily precipitation	75.9 mm (3.0 in)	44 of 100 (Notable)
Brady Aznoe	United States	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Fairfield	United States	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
Joplin	United States	Record daily precipitation	28.4 mm (1.1 in)	44 of 100 (Notable)
Faulkton	United States	Record daily precipitation	58.4 mm (2.3 in)	44 of 100 (Notable)
St Augustine	United States	Record daily precipitation	48.8 mm (1.9 in)	43 of 100 (Notable)
Missoula 6 NW WFO	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Effingham	United States	Record daily precipitation	47.8 mm (1.9 in)	43 of 100 (Notable)
Pukwana 3 W	United States	Record daily precipitation	46.2 mm (1.8 in)	43 of 100 (Notable)
Caldwell	Canada	Record daily precipitation	59.7 mm (2.4 in)	42 of 100 (Notable)
Turtleford	Canada	Record daily precipitation	27.9 mm (1.1 in)	42 of 100 (Notable)
Virden	Canada	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
Rugby	United States	Record daily precipitation	39.1 mm (1.5 in)	41 of 100 (Notable)

Counts by Type and Timescale

908 records

Records set or tied on 3 May 1964 by type: Highest daily maximum 52, Lowest daily maximum 212, Highest daily minimum 46, Lowest daily minimum 112, Heaviest daily rainfall 447, Heaviest daily snowfall 35, Deepest snow cover 4.

Records on 3 May 1964 by type
Record type	Records
Highest daily maximum	52
Lowest daily maximum	212
Highest daily minimum	46
Lowest daily minimum	112
Heaviest daily rainfall	447
Heaviest daily snowfall	35
Deepest snow cover	4

Records on 3 May 1964 by timescale: all-time 2, monthly 76, daily 830.

How Much Records Were Beaten By

770 broken records

Margins by which the 770 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

3 May 1964

Top 20 records on 3 May 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
3 May 1964	Helena 6 N, US	monthly snowfall	25.4 cm (10.0 in)	25.4 cm (10.0 in)	39 years	65 of 100 (Major)
3 May 1964	Quitman 2 NW, US	monthly rain	136.4 mm (5.4 in)	43.7 mm (1.7 in)	57 years	64 of 100 (Major)
3 May 1964	Athens, US	daily rain	90.4 mm (3.6 in)	49.0 mm (1.9 in)	59 years	63 of 100 (Major)
3 May 1964	Brewster, US	all-time rain	142.2 mm (5.6 in)	37.6 mm (1.5 in)	21 years	63 of 100 (Major)
3 May 1964	Miller, US	daily rain	79.0 mm (3.1 in)	50.3 mm (2.0 in)	59 years	63 of 100 (Major)
3 May 1964	Blackleaf, US	daily rain	74.7 mm (2.9 in)	61.7 mm (2.4 in)	56 years	62 of 100 (Major)
3 May 1964	Ashley, US	daily rain	58.2 mm (2.3 in)	35.3 mm (1.4 in)	59 years	62 of 100 (Major)
3 May 1964	Cascade 5 S, US	daily rain	47.8 mm (1.9 in)	38.4 mm (1.5 in)	47 years	61 of 100 (Major)
3 May 1964	Bainbridge, US	daily rain	118.9 mm (4.7 in)	70.1 mm (2.8 in)	44 years	60 of 100 (Major)
3 May 1964	Mellette 4 W, US	daily rain	79.2 mm (3.1 in)	40.6 mm (1.6 in)	59 years	60 of 100 (Major)
3 May 1964	Lewisburg Exp STN, US	daily rain	68.1 mm (2.7 in)	45.7 mm (1.8 in)	48 years	58 of 100 (Notable)
3 May 1964	Newport, US	daily rain	91.4 mm (3.6 in)	69.8 mm (2.7 in)	36 years	57 of 100 (Notable)
3 May 1964	Nova Russas, BR	monthly rain	153.6 mm (6.0 in)	73.1 mm (2.9 in)	7 years	56 of 100 (Notable)
3 May 1964	Gainesville, US	daily rain	72.4 mm (2.9 in)	41.9 mm (1.6 in)	59 years	56 of 100 (Notable)
3 May 1964	Choteau, US	daily rain	53.8 mm (2.1 in)	45.7 mm (1.8 in)	31 years	56 of 100 (Notable)
3 May 1964	Redfield, US	daily rain	57.9 mm (2.3 in)	31.7 mm (1.2 in)	59 years	56 of 100 (Notable)
3 May 1964	Santa Cruz, BR	monthly rain	103.0 mm (4.1 in)	38.3 mm (1.5 in)	18 years	55 of 100 (Notable)
3 May 1964	Conrad, US	daily rain	33.5 mm (1.3 in)	27.4 mm (1.1 in)	34 years	55 of 100 (Notable)
3 May 1964	Kingstree, US	daily rain	52.1 mm (2.1 in)	31.5 mm (1.2 in)	67 years	55 of 100 (Notable)
3 May 1964	Ipswich, US	daily rain	77.0 mm (3.0 in)	38.1 mm (1.5 in)	59 years	55 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

1795 to 1964

Records set or tied on this calendar date in each year from 1795 to 1964. 1964 had 908 records.

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

Records on 05-03 in each year
Year	Records
1795	1
1796	1
1799	1
1820	1
1832	1
1836	2
1837	1
1845	1
1849	1
1850	5
1851	2
1852	1
1855	1
1861	1
1864	2
1866	1
1868	1
1869	1
1870	1
1871	1
1873	1
1874	1
1875	1
1877	1
1878	4
1879	2
1881	1
1883	1
1884	1
1885	1
1886	3
1887	3
1888	1
1889	3
1891	2
1892	4
1893	1
1894	4
1896	2
1897	3
1898	5
1899	3
1900	2
1901	4
1902	5
1903	7
1904	7
1905	23
1906	10
1907	25
1908	8
1909	22
1910	17
1911	31
1912	17
1913	125
1914	10
1915	28
1916	52
1917	36
1918	28
1919	77
1920	37
1921	42
1922	292
1923	69
1924	55
1925	126
1926	250
1927	78
1928	255
1929	329
1930	279
1931	141
1932	136
1933	376
1934	353
1935	644
1936	356
1937	240
1938	527
1939	331
1940	550
1941	456
1942	1,161
1943	417
1944	728
1945	486
1946	353
1947	879
1948	919
1949	761
1950	854
1951	336
1952	447
1953	373
1954	1,210
1955	811
1956	590
1957	292
1958	485
1959	817
1960	280
1961	389
1962	243
1963	360
1964	908
1965	372
1966	850
1967	1,122
1968	324
1969	404
1970	464
1971	600
1972	380
1973	486
1974	323
1975	475
1976	760
1977	426
1978	1,046
1979	1,217
1980	573
1981	898
1982	564
1983	1,768
1984	807
1985	1,152
1986	965
1987	1,122
1988	782
1989	563
1990	1,715
1991	987
1992	792
1993	824
1994	703
1995	1,050
1996	1,058
1997	933
1998	910
1999	872
2000	1,056
2001	1,541
2002	1,312
2003	934
2004	1,562
2005	1,570
2006	633
2007	693
2008	981
2009	650
2010	1,565
2011	970
2012	1,318
2013	1,562
2014	553
2015	466
2016	505
2017	458
2018	1,004
2019	562
2020	506
2021	491
2022	570
2023	846
2024	627
2025	475
2026	879

Download the Data

Data for records on 1964-05-03: 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 50	744
50 to 100	19
100 to 150	2
150 to 200	3
200 to 250	1
250 to 300	1