Weather Records on 10 May 1963

951 weather records were set or tied worldwide on 10 May 1963. Highest significance: Huntingdon, CA.

Key Facts for 10 May 1963

On 10 May 1963, 951 weather records were set or tied at long-record stations worldwide.
469 were record highs and 108 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 34 monthly and 917 daily.
Huntingdon set a monthly record daily snowfall of 15.2 cm (6.0 in) on 10 May 1963.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 437 records.

Record Map

951 stations

951 station records on 10 May 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 May 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Huntingdon	Canada	Record daily snowfall	15.2 cm (6.0 in)	67 of 100 (Major)
Maseskar	Sweden	Record daily precipitation	25.5 mm (1.0 in)	63 of 100 (Major)
Grand Manan	Canada	Record daily snowfall	6.6 cm (2.6 in)	58 of 100 (Notable)
Sherbrooke	Canada	Record daily snowfall	17.3 cm (6.8 in)	57 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	58.9 mm (2.3 in)	57 of 100 (Notable)
Southampton	Canada	Record daily precipitation	29.5 mm (1.2 in)	54 of 100 (Notable)
Warriup	Australia	Record daily precipitation	63.5 mm (2.5 in)	52 of 100 (Notable)
Chilton	United States	Record daily precipitation	54.6 mm (2.1 in)	52 of 100 (Notable)
Jeogla (Jeolga Old.Sf.Site)	Australia	Record daily precipitation	80.0 mm (3.1 in)	51 of 100 (Notable)
Digby	Canada	Record daily snowfall	7.6 cm (3.0 in)	51 of 100 (Notable)
Mason City	United States	Record daily precipitation	99.6 mm (3.9 in)	51 of 100 (Notable)
Faribault	United States	Record daily precipitation	48.3 mm (1.9 in)	51 of 100 (Notable)
Kukaiau 222	United States	Record daily precipitation	150.6 mm (5.9 in)	51 of 100 (Notable)
Perkins	Canada	Record daily snowfall	15.7 cm (6.2 in)	49 of 100 (Notable)
Ottawa Cda	Canada	Record daily snowfall	10.4 cm (4.1 in)	48 of 100 (Notable)
Brillion	United States	Record daily precipitation	42.2 mm (1.7 in)	47 of 100 (Notable)
Paauilo 221	United States	Record daily precipitation	122.4 mm (4.8 in)	47 of 100 (Notable)
Midland Water Pollution Contro	Canada	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Chelsea	Canada	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
St Andrews	Canada	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Amery	United States	Record daily precipitation	48.0 mm (1.9 in)	45 of 100 (Notable)
Albany	Australia	Record daily precipitation	40.4 mm (1.6 in)	44 of 100 (Notable)
Dorrigo Post Office	Australia	Record daily precipitation	114.8 mm (4.5 in)	44 of 100 (Notable)
Montebello Seigniory	Canada	Record daily snowfall	14.0 cm (5.5 in)	44 of 100 (Notable)
Allison	United States	Record daily precipitation	63.2 mm (2.5 in)	44 of 100 (Notable)
Coddington 1 E	United States	Record daily precipitation	53.3 mm (2.1 in)	44 of 100 (Notable)
Lake City Exp Farm	United States	Record daily precipitation	26.7 mm (1.1 in)	43 of 100 (Notable)
Mio Hydro Plt	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Buxton	United Kingdom	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Plymouth Wwtp	United States	Record daily precipitation	50.3 mm (2.0 in)	42 of 100 (Notable)
Stanley Wwtp	United States	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Annapolis Royal	Canada	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	23.5 C (74.3 F)	40 of 100 (Notable)
Grayling	United States	Record daily precipitation	54.6 mm (2.1 in)	40 of 100 (Notable)
Caliente	United States	Record high minimum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Gladwin	United States	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Ebor (Kotupna)	Australia	Record daily precipitation	40.4 mm (1.6 in)	39 of 100 (Notable)
Walkerton	Canada	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Northwood	United States	Record daily precipitation	49.3 mm (1.9 in)	39 of 100 (Notable)
Allegan 5NE	United States	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
Harrisville	United States	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Coominya Post Office	Australia	Record daily precipitation	87.4 mm (3.4 in)	38 of 100 (Notable)
Lindsay	Canada	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Arni	India	Record daily precipitation	64.1 mm (2.5 in)	38 of 100 (Notable)
Higgins Lake	United States	Record daily precipitation	35.6 mm (1.4 in)	38 of 100 (Notable)
Ladysmith 3W	United States	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Huntingdon	Canada	Record low maximum temperature	4.4 C (39.9 F)	37 of 100 (Notable)
Lennoxville	Canada	Record daily snowfall	21.3 cm (8.4 in)	37 of 100 (Notable)
Baddeck	Canada	Record low maximum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Stillwater 1 SE	United States	Record daily precipitation	48.0 mm (1.9 in)	37 of 100 (Notable)
Peterborough	Canada	Record low maximum temperature	1.7 C (35.1 F)	36 of 100 (Notable)
Mallow	South Africa	Record daily precipitation	35.0 mm (1.4 in)	36 of 100 (Notable)
Hale Loud Dam	United States	Record daily precipitation	39.4 mm (1.6 in)	36 of 100 (Notable)
Marinette	United States	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Waupaca	United States	Record daily precipitation	44.2 mm (1.7 in)	36 of 100 (Notable)
Honomu Mauka 138	United States	Record daily precipitation	99.6 mm (3.9 in)	36 of 100 (Notable)
Natashquan A	Canada	Record daily snowfall	6.4 cm (2.5 in)	35 of 100 (Notable)
Benipatti	India	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Haldwani	India	Record daily precipitation	40.4 mm (1.6 in)	35 of 100 (Notable)
Madawaska	Canada	Record daily snowfall	20.3 cm (8.0 in)	34 of 100 (Routine)

Counts by Type and Timescale

951 records

Records set or tied on 10 May 1963 by type: Highest daily maximum 259, Lowest daily maximum 86, Highest daily minimum 210, Lowest daily minimum 22, Heaviest daily rainfall 322, Heaviest daily snowfall 50, Deepest snow cover 2.

Records on 10 May 1963 by type
Record type	Records
Highest daily maximum	259
Lowest daily maximum	86
Highest daily minimum	210
Lowest daily minimum	22
Heaviest daily rainfall	322
Heaviest daily snowfall	50
Deepest snow cover	2

Records on 10 May 1963 by timescale: all-time 0, monthly 34, daily 917.

How Much Records Were Beaten By

775 broken records

Margins by which the 775 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 173.0. Ties are not counted.

Top 20 by Significance

10 May 1963

Top 20 records on 10 May 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 May 1963	Huntingdon, CA	monthly snowfall	15.2 cm (6.0 in)	11.4 cm (4.5 in)	87 years	67 of 100 (Major)
10 May 1963	Maseskar, SE	daily rain	25.5 mm (1.0 in)	14.7 mm (0.6 in)	68 years	63 of 100 (Major)
10 May 1963	Grand Manan, CA	monthly snowfall	6.6 cm (2.6 in)	6.6 cm (2.6 in)	88 years	58 of 100 (Notable)
10 May 1963	Sherbrooke, CA	daily snowfall	17.3 cm (6.8 in)	17.3 cm (6.8 in)	58 years	57 of 100 (Notable)
10 May 1963	Manitowoc, US	daily rain	58.9 mm (2.3 in)	28.4 mm (1.1 in)	67 years	57 of 100 (Notable)
10 May 1963	Southampton, CA	daily rain	29.5 mm (1.2 in)	16.8 mm (0.7 in)	79 years	54 of 100 (Notable)
10 May 1963	Warriup, AU	daily rain	63.5 mm (2.5 in)	37.3 mm (1.5 in)	29 years	52 of 100 (Notable)
10 May 1963	Chilton, US	daily rain	54.6 mm (2.1 in)	27.2 mm (1.1 in)	57 years	52 of 100 (Notable)
10 May 1963	Jeogla (Jeolga Old.Sf.Site), AU	daily rain	80.0 mm (3.1 in)	53.3 mm (2.1 in)	28 years	51 of 100 (Notable)
10 May 1963	Digby, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	91 years	51 of 100 (Notable)
10 May 1963	Mason City, US	monthly rain	99.6 mm (3.9 in)	20.9 mm (0.8 in)	54 years	51 of 100 (Notable)
10 May 1963	Faribault, US	daily rain	48.3 mm (1.9 in)	27.0 mm (1.1 in)	60 years	51 of 100 (Notable)
10 May 1963	Kukaiau 222, US	daily rain	150.6 mm (5.9 in)	101.3 mm (4.0 in)	24 years	51 of 100 (Notable)
10 May 1963	Perkins, CA	monthly snowfall	15.7 cm (6.2 in)	13.2 cm (5.2 in)	26 years	49 of 100 (Notable)
10 May 1963	Ottawa Cda, CA	daily snowfall	10.4 cm (4.1 in)	10.4 cm (4.1 in)	72 years	48 of 100 (Notable)
10 May 1963	Brillion, US	daily rain	42.2 mm (1.7 in)	32.5 mm (1.3 in)	12 years	47 of 100 (Notable)
10 May 1963	Paauilo 221, US	daily rain	122.4 mm (4.8 in)	82.3 mm (3.2 in)	24 years	47 of 100 (Notable)
10 May 1963	Midland Water Pollution Contro, CA	daily rain	30.0 mm (1.2 in)	14.8 mm (0.6 in)	64 years	46 of 100 (Notable)
10 May 1963	Chelsea, CA	monthly snowfall	12.7 cm (5.0 in)	11.9 cm (4.7 in)	34 years	46 of 100 (Notable)
10 May 1963	St Andrews, CA	monthly snowfall	7.6 cm (3.0 in)	1.2 cm (0.5 in)	80 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

1805 to 1963

Records set or tied on this calendar date in each year from 1805 to 1963. 1963 had 951 records.

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

Records on 05-10 in each year
Year	Records
1805	1
1814	2
1832	1
1834	1
1836	4
1838	1
1843	1
1846	1
1848	1
1855	2
1858	1
1860	1
1861	2
1867	3
1868	1
1869	1
1872	1
1874	4
1876	1
1878	1
1879	2
1880	3
1881	3
1883	1
1884	2
1885	2
1886	1
1887	1
1888	2
1889	4
1890	2
1891	2
1893	1
1895	4
1896	6
1897	4
1898	5
1900	4
1901	6
1902	18
1903	6
1904	7
1905	21
1906	42
1907	33
1908	10
1909	17
1910	21
1911	55
1912	15
1913	23
1914	17
1915	18
1916	26
1917	23
1918	105
1919	145
1920	54
1921	143
1922	38
1923	291
1924	198
1925	163
1926	291
1927	296
1928	189
1929	102
1930	647
1931	277
1932	145
1933	516
1934	412
1935	200
1936	439
1937	148
1938	179
1939	179
1940	317
1941	257
1942	237
1943	482
1944	200
1945	646
1946	455
1947	820
1948	491
1949	492
1950	356
1951	281
1952	342
1953	627
1954	554
1955	272
1956	669
1957	374
1958	338
1959	192
1960	660
1961	722
1962	593
1963	951
1964	259
1965	413
1966	1,290
1967	932
1968	861
1969	325
1970	555
1971	416
1972	573
1973	429
1974	608
1975	448
1976	672
1977	1,075
1978	815
1979	1,927
1980	865
1981	1,213
1982	671
1983	753
1984	635
1985	925
1986	669
1987	1,270
1988	490
1989	1,365
1990	1,071
1991	854
1992	875
1993	1,056
1994	622
1995	1,129
1996	1,469
1997	1,215
1998	1,268
1999	1,299
2000	1,036
2001	842
2002	867
2003	1,688
2004	735
2005	761
2006	879
2007	815
2008	877
2009	651
2010	855
2011	1,288
2012	1,054
2013	635
2014	506
2015	943
2016	815
2017	702
2018	923
2019	1,254
2020	1,346
2021	635
2022	1,346
2023	359
2024	622
2025	1,094
2026	496

Download the Data

Data for records on 1963-05-10: 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 25	713
25 to 50	38
50 to 75	9
75 to 100	7
100 to 125	6
125 to 150	1
150 to 175	1