Weather Records on 2 May 1964

656 weather records were set or tied worldwide on 2 May 1964. Highest significance: Campo Maior, BR.

Key Facts for 2 May 1964

On 2 May 1964, 656 weather records were set or tied at long-record stations worldwide.
77 were record highs and 252 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 64 monthly and 592 daily.
Campo Maior set a monthly record daily precipitation of 108.1 mm (4.3 in) on 2 May 1964.
Across 162 earlier years (1795 to 2026) the same calendar date averaged 460 records.

Record Map

656 stations

656 station records on 2 May 1964 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 May 1964: highest significance records shown on the map
Station	Country	Type	Value	Significance
Campo Maior	Brazil	Record daily precipitation	108.1 mm (4.3 in)	58 of 100 (Notable)
Monticello 5 SE	United States	Record daily precipitation	90.2 mm (3.6 in)	56 of 100 (Notable)
Glen St Mary 1 W	United States	Record daily precipitation	162.8 mm (6.4 in)	55 of 100 (Notable)
Norley Station	Australia	Record daily precipitation	29.2 mm (1.1 in)	54 of 100 (Notable)
Mountain View	Canada	Record daily precipitation	61.7 mm (2.4 in)	53 of 100 (Notable)
Cut Bank AP	United States	Record daily precipitation	48.5 mm (1.9 in)	53 of 100 (Notable)
Thargomindah Post Office	Australia	Record daily precipitation	28.2 mm (1.1 in)	51 of 100 (Notable)
Madison	United States	Record daily precipitation	147.6 mm (5.8 in)	51 of 100 (Notable)
Farmington	United States	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Browning	United States	Record daily precipitation	48.3 mm (1.9 in)	49 of 100 (Notable)
Choteau	United States	Record daily precipitation	48.5 mm (1.9 in)	49 of 100 (Notable)
Redig 11 NE	United States	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Caldwell	Canada	Record daily precipitation	59.4 mm (2.3 in)	48 of 100 (Notable)
Cairo 1SW	United States	Record daily precipitation	125.0 mm (4.9 in)	48 of 100 (Notable)
Valier	United States	Record daily precipitation	64.0 mm (2.5 in)	48 of 100 (Notable)
Jacampari	Brazil	Record daily precipitation	61.0 mm (2.4 in)	46 of 100 (Notable)
Lake City 2 E	United States	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Valdosta 2 S	United States	Record daily precipitation	81.3 mm (3.2 in)	46 of 100 (Notable)
Moultrie 2 ESE	United States	Record daily precipitation	76.2 mm (3.0 in)	45 of 100 (Notable)
Grangeville	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Joplin	United States	Record daily precipitation	32.5 mm (1.3 in)	45 of 100 (Notable)
Kalispell Glacier AP	United States	Record daily precipitation	34.5 mm (1.4 in)	45 of 100 (Notable)
Arrabury Station	Australia	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Timber Lake	United States	Record daily precipitation	33.3 mm (1.3 in)	43 of 100 (Notable)
Ashwood	United States	Record daily precipitation	58.7 mm (2.3 in)	43 of 100 (Notable)
Coldwater	United States	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
Dynevor Downs	Australia	Record daily precipitation	42.2 mm (1.7 in)	42 of 100 (Notable)
Brooklet 1 W	United States	Record daily precipitation	73.7 mm (2.9 in)	42 of 100 (Notable)
Pollock	United States	Record daily precipitation	27.2 mm (1.1 in)	42 of 100 (Notable)
Houston Wb City	United States	Record high maximum temperature	35.6 C (96.1 F)	42 of 100 (Notable)
Augusta	United States	Record daily precipitation	42.2 mm (1.7 in)	41 of 100 (Notable)
Winifred	United States	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Bingara (Keera)	Australia	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Sparta	United States	Record daily precipitation	87.1 mm (3.4 in)	40 of 100 (Notable)
Tooele	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Dwtn Charleston	United States	Record daily precipitation	57.2 mm (2.3 in)	40 of 100 (Notable)
Bridgeport 5 NW	United States	Record daily precipitation	54.1 mm (2.1 in)	39 of 100 (Notable)
Hartwell	United States	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
American Falls 6 NE	United States	Record low maximum temperature	3.9 C (39.0 F)	39 of 100 (Notable)
Palmetto	United States	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Fairfield	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
State UNIV	United States	Record daily precipitation	68.8 mm (2.7 in)	37 of 100 (Notable)
Blackleaf	United States	Record daily precipitation	51.6 mm (2.0 in)	37 of 100 (Notable)
Fortine 1 N	United States	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Onida 4 NW	United States	Record daily precipitation	32.8 mm (1.3 in)	37 of 100 (Notable)
Tullahoma	United States	Record daily precipitation	49.5 mm (1.9 in)	37 of 100 (Notable)
Brigham City	United States	Record daily snowfall	11.4 cm (4.5 in)	37 of 100 (Notable)
Fillmore	United States	Record daily snowfall	20.3 cm (8.0 in)	37 of 100 (Notable)
Lewistown AP	United States	Record daily precipitation	35.1 mm (1.4 in)	37 of 100 (Notable)
Carway	Canada	Record daily precipitation	68.8 mm (2.7 in)	36 of 100 (Notable)
Blakely	United States	Record daily precipitation	52.3 mm (2.1 in)	36 of 100 (Notable)
Flatwillow 4 ENE	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Vernonia	United States	Record low maximum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Spanish Fk Pwr House	United States	Record daily precipitation	37.6 mm (1.5 in)	36 of 100 (Notable)
Lolworth	Australia	Record daily precipitation	45.7 mm (1.8 in)	35 of 100 (Notable)
Cardston	Canada	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Alturas	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
St Augustine	United States	Record daily precipitation	106.2 mm (4.2 in)	35 of 100 (Notable)
Louisville 1 E	United States	Record daily precipitation	69.9 mm (2.8 in)	35 of 100 (Notable)
Lumpkin 2 SE	United States	Record daily precipitation	54.6 mm (2.1 in)	33 of 100 (Routine)

Counts by Type and Timescale

656 records

Records set or tied on 2 May 1964 by type: Highest daily maximum 38, Lowest daily maximum 155, Highest daily minimum 39, Lowest daily minimum 97, Heaviest daily rainfall 284, Heaviest daily snowfall 36, Deepest snow cover 7.

Records on 2 May 1964 by type
Record type	Records
Highest daily maximum	38
Lowest daily maximum	155
Highest daily minimum	39
Lowest daily minimum	97
Heaviest daily rainfall	284
Heaviest daily snowfall	36
Deepest snow cover	7

Records on 2 May 1964 by timescale: all-time 0, monthly 64, daily 592.

How Much Records Were Beaten By

534 broken records

Margins by which the 534 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

2 May 1964

Top 20 records on 2 May 1964 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 May 1964	Campo Maior, BR	monthly rain	108.1 mm (4.3 in)	39.3 mm (1.5 in)	50 years	58 of 100 (Notable)
2 May 1964	Monticello 5 SE, US	daily rain	90.2 mm (3.6 in)	54.6 mm (2.1 in)	60 years	56 of 100 (Notable)
2 May 1964	Glen St Mary 1 W, US	monthly rain	162.8 mm (6.4 in)	63.7 mm (2.5 in)	4 years	55 of 100 (Notable)
2 May 1964	Norley Station, AU	daily rain	29.2 mm (1.1 in)	26.7 mm (1.1 in)	73 years	54 of 100 (Notable)
2 May 1964	Mountain View, CA	daily rain	61.7 mm (2.4 in)	40.1 mm (1.6 in)	44 years	53 of 100 (Notable)
2 May 1964	Cut Bank AP, US	daily rain	48.5 mm (1.9 in)	41.4 mm (1.6 in)	26 years	53 of 100 (Notable)
2 May 1964	Thargomindah Post Office, AU	daily rain	28.2 mm (1.1 in)	24.9 mm (1.0 in)	73 years	51 of 100 (Notable)
2 May 1964	Madison, US	monthly rain	147.6 mm (5.8 in)	28.2 mm (1.1 in)	55 years	51 of 100 (Notable)
2 May 1964	Farmington, US	monthly snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	61 years	50 of 100 (Notable)
2 May 1964	Browning, US	daily rain	48.3 mm (1.9 in)	38.1 mm (1.5 in)	8 years	49 of 100 (Notable)
2 May 1964	Choteau, US	daily rain	48.5 mm (1.9 in)	39.9 mm (1.6 in)	9 years	49 of 100 (Notable)
2 May 1964	Redig 11 NE, US	daily rain	39.1 mm (1.5 in)	30.7 mm (1.2 in)	16 years	49 of 100 (Notable)
2 May 1964	Caldwell, CA	daily rain	59.4 mm (2.3 in)	49.5 mm (1.9 in)	11 years	48 of 100 (Notable)
2 May 1964	Cairo 1SW, US	monthly rain	125.0 mm (4.9 in)	35.3 mm (1.4 in)	32 years	48 of 100 (Notable)
2 May 1964	Valier, US	monthly rain	64.0 mm (2.5 in)	17.0 mm (0.7 in)	36 years	48 of 100 (Notable)
2 May 1964	Jacampari, BR	daily rain	61.0 mm (2.4 in)	41.5 mm (1.6 in)	36 years	46 of 100 (Notable)
2 May 1964	Lake City 2 E, US	daily rain	58.4 mm (2.3 in)	33.5 mm (1.3 in)	55 years	46 of 100 (Notable)
2 May 1964	Valdosta 2 S, US	daily rain	81.3 mm (3.2 in)	36.8 mm (1.4 in)	59 years	46 of 100 (Notable)
2 May 1964	Moultrie 2 ESE, US	daily rain	76.2 mm (3.0 in)	50.5 mm (2.0 in)	7 years	45 of 100 (Notable)
2 May 1964	Grangeville, US	daily snowfall	12.7 cm (5.0 in)	9.1 cm (3.6 in)	67 years	45 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 656 records.

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

Records on 05-02 in each year
Year	Records
1795	1
1804	1
1814	1
1835	1
1836	2
1845	1
1846	1
1849	1
1850	2
1852	1
1866	2
1868	2
1874	1
1875	1
1876	1
1877	2
1878	2
1879	1
1881	2
1883	1
1884	2
1885	1
1886	3
1887	1
1888	1
1889	2
1890	1
1891	4
1892	5
1893	1
1894	4
1895	1
1896	4
1897	2
1898	6
1899	9
1900	1
1901	6
1902	5
1903	14
1904	25
1905	19
1906	15
1907	22
1908	11
1909	48
1910	21
1911	34
1912	26
1913	132
1914	33
1915	25
1916	21
1917	52
1918	21
1919	52
1920	73
1921	31
1922	219
1923	58
1924	57
1925	123
1926	323
1927	125
1928	164
1929	336
1930	366
1931	237
1932	113
1933	584
1934	337
1935	509
1936	305
1937	278
1938	411
1939	273
1940	587
1941	510
1942	600
1943	542
1944	727
1945	522
1946	321
1947	794
1948	874
1949	561
1950	651
1951	509
1952	445
1953	1,009
1954	1,317
1955	977
1956	1,261
1957	371
1958	380
1959	1,030
1960	571
1961	670
1962	396
1963	685
1964	656
1965	314
1966	779
1967	1,123
1968	440
1969	338
1970	670
1971	421
1972	336
1973	711
1974	456
1975	337
1976	660
1977	579
1978	976
1979	743
1980	449
1981	1,009
1982	537
1983	1,808
1984	712
1985	1,062
1986	631
1987	763
1988	1,142
1989	1,009
1990	1,567
1991	587
1992	1,014
1993	1,017
1994	937
1995	1,166
1996	1,076
1997	750
1998	1,043
1999	838
2000	931
2001	1,256
2002	1,263
2003	787
2004	1,344
2005	1,785
2006	577
2007	867
2008	963
2009	898
2010	1,629
2011	936
2012	1,103
2013	1,486
2014	696
2015	582
2016	583
2017	601
2018	768
2019	622
2020	798
2021	572
2022	440
2023	951
2024	880
2025	569
2026	765

Download the Data

Data for records on 1964-05-02: 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	443
20 to 40	68
40 to 60	14
60 to 80	6
80 to 100	1
100 to 120	1
120 to 140	1