Weather Records on 4 May 1963

313 weather records were set or tied worldwide on 4 May 1963. Highest significance: Baku, AZ.

Key Facts for 4 May 1963

On 4 May 1963, 313 weather records were set or tied at long-record stations worldwide.
85 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 298 daily.
Baku set a monthly record daily precipitation of 63.1 mm (2.5 in) on 4 May 1963.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 431 records.

Record Map

313 stations

313 station records on 4 May 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Baku	Azerbaijan	Record daily precipitation	63.1 mm (2.5 in)	68 of 100 (Major)
Mundagod	India	Record daily precipitation	95.3 mm (3.8 in)	61 of 100 (Major)
Belgaum	India	Record daily precipitation	65.8 mm (2.6 in)	48 of 100 (Notable)
Darjeeling	India	Record daily precipitation	92.8 mm (3.7 in)	47 of 100 (Notable)
Akhty	Russia	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Sirsi	India	Record daily precipitation	45.0 mm (1.8 in)	41 of 100 (Notable)
Courtenay Puntledge Bchp	Canada	Record daily precipitation	35.1 mm (1.4 in)	36 of 100 (Notable)
Sulak	Russia	Record daily precipitation	46.6 mm (1.8 in)	36 of 100 (Notable)
Moore Haven Lock 1	United States	Record low maximum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Ioco Refinery	Canada	Record daily precipitation	58.2 mm (2.3 in)	34 of 100 (Routine)
Belle Glade	United States	Record daily precipitation	93.0 mm (3.7 in)	34 of 100 (Routine)
Saunur(Savnur)	India	Record daily precipitation	74.7 mm (2.9 in)	33 of 100 (Routine)
Belle Glade	United States	Record low maximum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Banka	India	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Pachena Point	Canada	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Port Hastings	Canada	Record high maximum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Iguala (Smn)	Mexico	Record daily precipitation	34.8 mm (1.4 in)	30 of 100 (Routine)
Velikie Luki	Russia	Record high maximum temperature	25.7 C (78.3 F)	30 of 100 (Routine)
Shenkursk	Russia	Record high minimum temperature	10.0 C (50.0 F)	29 of 100 (Routine)
Yates Ctr	United States	Record high maximum temperature	31.7 C (89.1 F)	29 of 100 (Routine)
Mapulehu 542	United States	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Gladwin	United States	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Cumberland	Canada	Record daily precipitation	47.0 mm (1.9 in)	28 of 100 (Routine)
Kalispell Glacier AP	United States	Record low minimum temperature	-5.6 C (21.9 F)	28 of 100 (Routine)
Manihari	India	Record daily precipitation	59.7 mm (2.4 in)	27 of 100 (Routine)
Medicine Lodge	United States	Record high maximum temperature	38.3 C (100.9 F)	27 of 100 (Routine)
Lexington 3E	United States	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Weeping Water	United States	Record daily precipitation	62.0 mm (2.4 in)	27 of 100 (Routine)
Buffalo 2 SSW	United States	Record high maximum temperature	37.8 C (100.0 F)	27 of 100 (Routine)
Woodward	United States	Record high maximum temperature	37.2 C (99.0 F)	27 of 100 (Routine)
Moosomin	Canada	Record low minimum temperature	-7.8 C (18.0 F)	26 of 100 (Routine)
Nargund	India	Record daily precipitation	38.4 mm (1.5 in)	26 of 100 (Routine)
Milford 2 SE	United States	Record high maximum temperature	35.6 C (96.1 F)	26 of 100 (Routine)
Polson	United States	Record low minimum temperature	-4.4 C (24.1 F)	26 of 100 (Routine)
Muzaffarpur	India	Record daily precipitation	54.2 mm (2.1 in)	25 of 100 (Routine)
Amarpara	India	Record daily precipitation	42.7 mm (1.7 in)	25 of 100 (Routine)
Tororo	Uganda	Record daily precipitation	54.3 mm (2.1 in)	25 of 100 (Routine)
Bullara	Australia	Record daily precipitation	33.0 mm (1.3 in)	24 of 100 (Routine)
Buntzen Lake	Canada	Record daily precipitation	51.1 mm (2.0 in)	24 of 100 (Routine)
Sonaula	India	Record daily precipitation	40.4 mm (1.6 in)	24 of 100 (Routine)
Mudhol	India	Record daily precipitation	27.2 mm (1.1 in)	24 of 100 (Routine)
Moosehorn	Canada	Record low minimum temperature	-7.8 C (18.0 F)	23 of 100 (Routine)
Holenarsipur	India	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
Van Meter	United States	Record daily precipitation	34.3 mm (1.4 in)	23 of 100 (Routine)
Statesville 2 NNE	United States	Record low minimum temperature	2.8 C (37.0 F)	23 of 100 (Routine)
Rajmahal	India	Record daily precipitation	34.4 mm (1.4 in)	22 of 100 (Routine)
Pithoragarh	India	Record daily precipitation	26.9 mm (1.1 in)	22 of 100 (Routine)
Appleton City	United States	Record daily precipitation	73.7 mm (2.9 in)	22 of 100 (Routine)
Memphis	United States	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Anacortes	United States	Record low minimum temperature	0.6 C (33.1 F)	22 of 100 (Routine)
Lost River	Canada	Record low minimum temperature	-9.4 C (15.1 F)	21 of 100 (Routine)
Ebersberg-Halbing	Germany	Record daily precipitation	25.8 mm (1.0 in)	21 of 100 (Routine)
Bhagalpur	India	Record daily precipitation	33.6 mm (1.3 in)	21 of 100 (Routine)
Barharwa	India	Record daily precipitation	45.0 mm (1.8 in)	21 of 100 (Routine)
Honnali	India	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Julesburg	United States	Record daily precipitation	29.7 mm (1.2 in)	21 of 100 (Routine)
Moore Haven Lock 1	United States	Record daily precipitation	57.4 mm (2.3 in)	21 of 100 (Routine)
Babb 6 NE	United States	Record low minimum temperature	-6.7 C (19.9 F)	21 of 100 (Routine)
Macaubas	Brazil	Record daily precipitation	24.5 mm (1.0 in)	20 of 100 (Routine)
Ninette	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)

Counts by Type and Timescale

313 records

Records set or tied on 4 May 1963 by type: Highest daily maximum 51, Lowest daily maximum 31, Highest daily minimum 34, Lowest daily minimum 63, Heaviest daily rainfall 124, Heaviest daily snowfall 10.

Records on 4 May 1963 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	31
Highest daily minimum	34
Lowest daily minimum	63
Heaviest daily rainfall	124
Heaviest daily snowfall	10
Deepest snow cover	0

Records on 4 May 1963 by timescale: all-time 0, monthly 15, daily 298.

How Much Records Were Beaten By

243 broken records

Margins by which the 243 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.6. Ties are not counted.

Top 20 by Significance

4 May 1963

Top 20 records on 4 May 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 1963	Baku, AZ	monthly rain	63.1 mm (2.5 in)	31.3 mm (1.2 in)	35 years	68 of 100 (Major)
4 May 1963	Mundagod, IN	daily rain	95.3 mm (3.8 in)	68.6 mm (2.7 in)	52 years	61 of 100 (Major)
4 May 1963	Belgaum, IN	daily rain	65.8 mm (2.6 in)	49.3 mm (1.9 in)	50 years	48 of 100 (Notable)
4 May 1963	Darjeeling, IN	daily rain	92.8 mm (3.7 in)	29.0 mm (1.1 in)	57 years	47 of 100 (Notable)
4 May 1963	Akhty, RU	daily rain	29.0 mm (1.1 in)	17.8 mm (0.7 in)	13 years	44 of 100 (Notable)
4 May 1963	Sirsi, IN	daily rain	45.0 mm (1.8 in)	32.8 mm (1.3 in)	50 years	41 of 100 (Notable)
4 May 1963	Courtenay Puntledge Bchp, CA	monthly rain	35.1 mm (1.4 in)	5.6 mm (0.22 in)	37 years	36 of 100 (Notable)
4 May 1963	Sulak, RU	daily rain	46.6 mm (1.8 in)	21.5 mm (0.8 in)	24 years	36 of 100 (Notable)
4 May 1963	Moore Haven Lock 1, US	monthly low max	19.4 C (66.9 F)	3.4 C (6.1 F)	22 years	36 of 100 (Notable)
4 May 1963	Ioco Refinery, CA	daily rain	58.2 mm (2.3 in)	18.1 mm (0.7 in)	36 years	34 of 100 (Routine)
4 May 1963	Belle Glade, US	monthly rain	93.0 mm (3.7 in)	25.7 mm (1.0 in)	11 years	34 of 100 (Routine)
4 May 1963	Saunur(Savnur), IN	daily rain	74.7 mm (2.9 in)	21.4 mm (0.8 in)	44 years	33 of 100 (Routine)
4 May 1963	Belle Glade, US	daily low max	21.7 C (71.1 F)	5.0 C (9.0 F)	22 years	33 of 100 (Routine)
4 May 1963	Banka, IN	daily rain	47.0 mm (1.9 in)	16.3 mm (0.6 in)	44 years	31 of 100 (Routine)
4 May 1963	Pachena Point, CA	daily rain	43.2 mm (1.7 in)	19.1 mm (0.8 in)	28 years	30 of 100 (Routine)
4 May 1963	Port Hastings, CA	daily high max	19.4 C (66.9 F)	1.1 C (2.0 F)	67 years	30 of 100 (Routine)
4 May 1963	Iguala (Smn), MX	daily rain	34.8 mm (1.4 in)	19.1 mm (0.8 in)	17 years	30 of 100 (Routine)
4 May 1963	Velikie Luki, RU	daily high max	25.7 C (78.3 F)	0.2 C (0.4 F)	73 years	30 of 100 (Routine)
4 May 1963	Shenkursk, RU	daily high min	10.0 C (50.0 F)	1.9 C (3.4 F)	65 years	29 of 100 (Routine)
4 May 1963	Yates Ctr, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	62 years	29 of 100 (Routine)

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 1963

Records set or tied on this calendar date in each year from 1795 to 1963. 1963 had 313 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 1963-05-04: 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 10	203
10 to 20	21
20 to 30	12
30 to 40	4
40 to 50	2
50 to 60	0
60 to 70	1