Weather Records on 1 May 1963

704 weather records were set or tied worldwide on 1 May 1963. Highest significance: Phulwari, IN.

Key Facts for 1 May 1963

On 1 May 1963, 704 weather records were set or tied at long-record stations worldwide.
33 were record highs and 348 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 123 monthly and 581 daily.
Phulwari set a daily record precipitation of 63.5 mm (2.5 in) on 1 May 1963.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 441 records.

Record Map

704 stations

704 station records on 1 May 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Phulwari	India	Record daily precipitation	63.5 mm (2.5 in)	58 of 100 (Notable)
Bruthen (Post Office)	Australia	Record daily precipitation	56.4 mm (2.2 in)	55 of 100 (Notable)
Bairnsdale Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	52 of 100 (Notable)
Nowa Nowa (Wairewa)	Australia	Record daily precipitation	66.5 mm (2.6 in)	51 of 100 (Notable)
Orbost (Comparison)	Australia	Record daily precipitation	61.2 mm (2.4 in)	51 of 100 (Notable)
Saltspring Island	Canada	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Charkhari	India	Record daily precipitation	26.2 mm (1.0 in)	50 of 100 (Notable)
Lakes Entrance Post Office	Australia	Record daily precipitation	34.5 mm (1.4 in)	49 of 100 (Notable)
Butchers Ridge Post Office	Australia	Record daily precipitation	58.7 mm (2.3 in)	48 of 100 (Notable)
Brockville	Canada	Record daily snowfall	7.1 cm (2.8 in)	48 of 100 (Notable)
Nicholson (Yendalock)	Australia	Record daily precipitation	50.3 mm (2.0 in)	46 of 100 (Notable)
Lexington Bluegrass AP	United States	Record low minimum temperature	-1.7 C (28.9 F)	46 of 100 (Notable)
Blackwarry	Australia	Record daily precipitation	87.6 mm (3.4 in)	45 of 100 (Notable)
Madalya	Australia	Record daily precipitation	47.0 mm (1.9 in)	45 of 100 (Notable)
Brodribb River	Australia	Record daily precipitation	51.6 mm (2.0 in)	44 of 100 (Notable)
Chomu	India	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Ellsworth	United States	Record daily precipitation	53.1 mm (2.1 in)	44 of 100 (Notable)
Naalehu 14	United States	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
Pennyroyal Creek	Australia	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Greenville 2 NE	United States	Record daily snowfall	6.4 cm (2.5 in)	43 of 100 (Notable)
Reedy Flat	Australia	Record daily precipitation	40.6 mm (1.6 in)	42 of 100 (Notable)
Steveston	Canada	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
Buchan	Australia	Record daily precipitation	37.6 mm (1.5 in)	41 of 100 (Notable)
Dutson	Australia	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Carrajung Post Office	Australia	Record daily precipitation	74.4 mm (2.9 in)	40 of 100 (Notable)
Drummondville	Canada	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Tifton	United States	Record daily precipitation	56.9 mm (2.2 in)	38 of 100 (Notable)
Madison Sewage Plt	United States	Record low minimum temperature	-2.8 C (27.0 F)	38 of 100 (Notable)
Sardine Creek	Australia	Record daily precipitation	45.5 mm (1.8 in)	37 of 100 (Notable)
Paynesville	Australia	Record daily precipitation	34.8 mm (1.4 in)	37 of 100 (Notable)
Auburn	United States	Record daily snowfall	7.6 cm (3.0 in)	37 of 100 (Notable)
Franklinville	United States	Record low minimum temperature	-9.4 C (15.1 F)	37 of 100 (Notable)
Wanakena Rngr School	United States	Record daily snowfall	8.9 cm (3.5 in)	37 of 100 (Notable)
Camden on Gauley 2 SW	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Arasadi	India	Record daily precipitation	51.6 mm (2.0 in)	36 of 100 (Notable)
Mt Vernon 3 SW	United States	Record low minimum temperature	-3.3 C (26.1 F)	36 of 100 (Notable)
Baltimore Customs House	United States	Record low maximum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Washington	United States	Record low maximum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Walhalla	Australia	Record daily precipitation	37.8 mm (1.5 in)	35 of 100 (Notable)
Mt Carmel 4 NW	United States	Record low minimum temperature	-1.1 C (30.0 F)	35 of 100 (Notable)
Olney 2S	United States	Record low minimum temperature	-1.7 C (28.9 F)	35 of 100 (Notable)
Donora 1 SW	United States	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Stradbroke Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Marengo	United States	Record low minimum temperature	-3.9 C (25.0 F)	34 of 100 (Routine)
Shelbyville Sewage Plt	United States	Record low minimum temperature	-3.9 C (25.0 F)	34 of 100 (Routine)
Bowling Green Warren Co AP	United States	Record low minimum temperature	-1.1 C (30.0 F)	34 of 100 (Routine)
Greencastle 1 W	United States	Record low maximum temperature	7.2 C (45.0 F)	32 of 100 (Routine)
Seaspray (Burong)	Australia	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Belle Isle	Canada	Record high maximum temperature	7.8 C (46.0 F)	31 of 100 (Routine)
Dhond	India	Record daily precipitation	28.0 mm (1.1 in)	31 of 100 (Routine)
Cairo 1SW	United States	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Berea College	United States	Record low minimum temperature	-2.2 C (28.0 F)	31 of 100 (Routine)
Irvington	United States	Record low minimum temperature	-1.7 C (28.9 F)	31 of 100 (Routine)
Quantico 1 S	United States	Record low maximum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Fernbank	Australia	Record daily precipitation	30.7 mm (1.2 in)	30 of 100 (Routine)
Durham	Canada	Record low minimum temperature	-3.9 C (25.0 F)	30 of 100 (Routine)
Chute Hemmings	Canada	Record daily snowfall	12.7 cm (5.0 in)	30 of 100 (Routine)
Farmland 5 NNW	United States	Record low minimum temperature	-3.9 C (25.0 F)	30 of 100 (Routine)
Bar Harbor 3 NW	United States	Record daily precipitation	50.5 mm (2.0 in)	30 of 100 (Routine)
Cookeville	United States	Record low minimum temperature	-1.7 C (28.9 F)	30 of 100 (Routine)

Counts by Type and Timescale

704 records

Records set or tied on 1 May 1963 by type: Highest daily maximum 8, Lowest daily maximum 91, Highest daily minimum 25, Lowest daily minimum 257, Heaviest daily rainfall 233, Heaviest daily snowfall 73, Deepest snow cover 17.

Records on 1 May 1963 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	91
Highest daily minimum	25
Lowest daily minimum	257
Heaviest daily rainfall	233
Heaviest daily snowfall	73
Deepest snow cover	17

Records on 1 May 1963 by timescale: all-time 0, monthly 123, daily 581.

How Much Records Were Beaten By

529 broken records

Margins by which the 529 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

1 May 1963

Top 20 records on 1 May 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1963	Phulwari, IN	daily rain	63.5 mm (2.5 in)	63.5 mm (2.5 in)	48 years	58 of 100 (Notable)
1 May 1963	Bruthen (Post Office), AU	daily rain	56.4 mm (2.2 in)	42.2 mm (1.7 in)	28 years	55 of 100 (Notable)
1 May 1963	Bairnsdale Post Office, AU	daily rain	46.2 mm (1.8 in)	35.3 mm (1.4 in)	20 years	52 of 100 (Notable)
1 May 1963	Nowa Nowa (Wairewa), AU	daily rain	66.5 mm (2.6 in)	49.0 mm (1.9 in)	22 years	51 of 100 (Notable)
1 May 1963	Orbost (Comparison), AU	daily rain	61.2 mm (2.4 in)	40.1 mm (1.6 in)	22 years	51 of 100 (Notable)
1 May 1963	Saltspring Island, CA	daily rain	30.0 mm (1.2 in)	12.0 mm (0.5 in)	68 years	51 of 100 (Notable)
1 May 1963	Charkhari, IN	daily rain	26.2 mm (1.0 in)	22.9 mm (0.9 in)	29 years	50 of 100 (Notable)
1 May 1963	Lakes Entrance Post Office, AU	daily rain	34.5 mm (1.4 in)	18.2 mm (0.7 in)	70 years	49 of 100 (Notable)
1 May 1963	Butchers Ridge Post Office, AU	daily rain	58.7 mm (2.3 in)	46.0 mm (1.8 in)	28 years	48 of 100 (Notable)
1 May 1963	Brockville, CA	monthly snowfall	7.1 cm (2.8 in)	2.3 cm (0.9 in)	83 years	48 of 100 (Notable)
1 May 1963	Nicholson (Yendalock), AU	daily rain	50.3 mm (2.0 in)	35.6 mm (1.4 in)	20 years	46 of 100 (Notable)
1 May 1963	Lexington Bluegrass AP, US	monthly low min	-1.7 C (28.9 F)	0.6 C (1.1 F)	86 years	46 of 100 (Notable)
1 May 1963	Blackwarry, AU	daily rain	87.6 mm (3.4 in)	38.1 mm (1.5 in)	34 years	45 of 100 (Notable)
1 May 1963	Madalya, AU	daily rain	47.0 mm (1.9 in)	23.4 mm (0.9 in)	53 years	45 of 100 (Notable)
1 May 1963	Brodribb River, AU	daily rain	51.6 mm (2.0 in)	36.4 mm (1.4 in)	22 years	44 of 100 (Notable)
1 May 1963	Chomu, IN	daily rain	26.7 mm (1.1 in)	19.1 mm (0.8 in)	29 years	44 of 100 (Notable)
1 May 1963	Ellsworth, US	daily rain	53.1 mm (2.1 in)	36.1 mm (1.4 in)	16 years	44 of 100 (Notable)
1 May 1963	Naalehu 14, US	daily rain	36.8 mm (1.4 in)	24.1 mm (0.9 in)	6 years	44 of 100 (Notable)
1 May 1963	Pennyroyal Creek, AU	daily rain	31.8 mm (1.3 in)	11.7 mm (0.5 in)	69 years	43 of 100 (Notable)
1 May 1963	Greenville 2 NE, US	monthly snowfall	6.4 cm (2.5 in)	5.1 cm (2.0 in)	55 years	43 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 1963

Records set or tied on this calendar date in each year from 1795 to 1963. 1963 had 704 records.

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

Records on 05-01 in each year
Year	Records
1795	1
1802	1
1804	1
1814	1
1818	1
1835	1
1836	1
1840	1
1846	2
1847	1
1850	1
1851	1
1857	1
1860	1
1861	1
1864	2
1865	1
1868	2
1872	1
1875	4
1878	2
1879	2
1880	3
1881	2
1884	1
1885	1
1886	2
1887	2
1888	2
1889	3
1890	2
1891	5
1892	6
1893	2
1894	5
1896	1
1897	4
1898	1
1899	8
1900	1
1901	5
1902	7
1903	9
1904	9
1905	13
1906	12
1907	31
1908	20
1909	49
1910	13
1911	22
1912	18
1913	54
1914	23
1915	27
1916	27
1917	37
1918	34
1919	150
1920	186
1921	41
1922	92
1923	64
1924	63
1925	118
1926	500
1927	125
1928	190
1929	142
1930	263
1931	537
1932	220
1933	706
1934	305
1935	276
1936	368
1937	218
1938	304
1939	227
1940	731
1941	333
1942	1,036
1943	526
1944	229
1945	350
1946	415
1947	655
1948	774
1949	405
1950	439
1951	894
1952	557
1953	917
1954	1,506
1955	772
1956	1,106
1957	359
1958	448
1959	764
1960	737
1961	588
1962	615
1963	704
1964	312
1965	360
1966	707
1967	948
1968	426
1969	429
1970	1,075
1971	444
1972	562
1973	841
1974	589
1975	286
1976	673
1977	545
1978	1,202
1979	612
1980	507
1981	1,265
1982	508
1983	1,423
1984	640
1985	789
1986	512
1987	1,098
1988	1,058
1989	949
1990	922
1991	633
1992	1,201
1993	1,101
1994	1,210
1995	1,365
1996	1,439
1997	804
1998	951
1999	932
2000	809
2001	1,106
2002	1,221
2003	964
2004	887
2005	1,320
2006	734
2007	857
2008	979
2009	679
2010	1,151
2011	716
2012	796
2013	976
2014	941
2015	550
2016	844
2017	1,163
2018	519
2019	788
2020	1,099
2021	834
2022	319
2023	912
2024	458
2025	430
2026	623

Download the Data

Data for records on 1963-05-01: 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	447
20 to 40	67
40 to 60	10
60 to 80	2
80 to 100	2
100 to 120	0
120 to 140	1