Weather Records on 10 April 1963

446 weather records were set or tied worldwide on 10 April 1963. Highest significance: Alicedale, ZA.

Key Facts for 10 April 1963

On 10 April 1963, 446 weather records were set or tied at long-record stations worldwide.
198 were record highs and 40 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 26 monthly and 419 daily.
Alicedale set a daily record precipitation of 30.0 mm (1.2 in) on 10 April 1963.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

446 stations

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

Weather records on 10 April 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alicedale	South Africa	Record daily precipitation	30.0 mm (1.2 in)	52 of 100 (Notable)
Hermosa 3 SSW	United States	Record daily precipitation	34.5 mm (1.4 in)	52 of 100 (Notable)
Forsyth 2 E	United States	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
Mont-Aigoual	France	Record daily precipitation	92.0 mm (3.6 in)	43 of 100 (Notable)
Hedrum	Norway	Record daily precipitation	25.0 mm (1.0 in)	42 of 100 (Notable)
Cooktown Post Office	Australia	Record daily precipitation	156.0 mm (6.1 in)	40 of 100 (Notable)
Laura Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	39 of 100 (Notable)
Truro Nsac	Canada	Record daily snowfall	16.5 cm (6.5 in)	39 of 100 (Notable)
Masindi	Uganda	Record daily precipitation	63.7 mm (2.5 in)	39 of 100 (Notable)
Port Blair	India	Record daily precipitation	40.3 mm (1.6 in)	38 of 100 (Notable)
Katwa	India	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Colstrip	United States	Record daily snowfall	20.3 cm (8.0 in)	37 of 100 (Notable)
Barras	Brazil	Record daily precipitation	69.0 mm (2.7 in)	36 of 100 (Notable)
Jamunia	India	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Colstrip	United States	Record daily precipitation	29.7 mm (1.2 in)	36 of 100 (Notable)
Trafalgar	Canada	Record daily snowfall	29.2 cm (11.5 in)	34 of 100 (Routine)
Redig 11 NE	United States	Record daily snowfall	17.8 cm (7.0 in)	34 of 100 (Routine)
Ayton	Australia	Record daily precipitation	119.4 mm (4.7 in)	33 of 100 (Routine)
Las Vegas 2 NW	United States	Record high minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Waxahachie	United States	Record high maximum temperature	37.8 C (100.0 F)	33 of 100 (Routine)
Dunsmuir	United States	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Cuero	United States	Record high maximum temperature	37.2 C (99.0 F)	32 of 100 (Routine)
Jeanerette 5 NW	United States	Record high maximum temperature	31.7 C (89.1 F)	31 of 100 (Routine)
Forsyth 2 E	United States	Record daily snowfall	25.4 cm (10.0 in)	31 of 100 (Routine)
Kaufman 3 SE	United States	Record high maximum temperature	36.1 C (97.0 F)	31 of 100 (Routine)
Hillsboro	United States	Record high maximum temperature	37.2 C (99.0 F)	30 of 100 (Routine)
Wills Pt	United States	Record high maximum temperature	35.0 C (95.0 F)	30 of 100 (Routine)
Schmidtsdrif	South Africa	Record daily precipitation	38.5 mm (1.5 in)	29 of 100 (Routine)
Bison	United States	Record daily snowfall	12.7 cm (5.0 in)	29 of 100 (Routine)
Mexia	United States	Record high maximum temperature	35.6 C (96.1 F)	29 of 100 (Routine)
Caracara	Brazil	Record daily precipitation	42.4 mm (1.7 in)	28 of 100 (Routine)
Haringhata	India	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Lake Spaulding	United States	Record daily precipitation	45.7 mm (1.8 in)	28 of 100 (Routine)
Carlsbad	United States	Record high minimum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Orogrande	United States	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Brackettville	United States	Record high maximum temperature	36.1 C (97.0 F)	28 of 100 (Routine)
Corsicana	United States	Record high maximum temperature	37.2 C (99.0 F)	28 of 100 (Routine)
Houston Wb City	United States	Record high maximum temperature	33.3 C (91.9 F)	28 of 100 (Routine)
Bernburg/Saale (Nord)	Germany	Record high minimum temperature	7.9 C (46.2 F)	26 of 100 (Routine)
Lake Spaulding	United States	Record low maximum temperature	0.6 C (33.1 F)	26 of 100 (Routine)
Custer	United States	Record daily snowfall	20.3 cm (8.0 in)	26 of 100 (Routine)
Waimanalo 794	United States	Record daily precipitation	49.8 mm (2.0 in)	26 of 100 (Routine)
Perth Regional Office	Australia	Record high minimum temperature	20.7 C (69.3 F)	25 of 100 (Routine)
Trafalgar	Canada	Record daily precipitation	29.2 mm (1.1 in)	25 of 100 (Routine)
Almaty	Kazakhstan	Record daily precipitation	33.1 mm (1.3 in)	25 of 100 (Routine)
Ft Stanton	United States	Record high minimum temperature	9.4 C (48.9 F)	25 of 100 (Routine)
Beeville 5 NE	United States	Record high maximum temperature	40.6 C (105.1 F)	25 of 100 (Routine)
Brackettville	United States	Record high minimum temperature	20.6 C (69.1 F)	25 of 100 (Routine)
Encinal	United States	Record high maximum temperature	42.8 C (109.0 F)	25 of 100 (Routine)
McKinney Muni AP	United States	Record high maximum temperature	35.6 C (96.1 F)	25 of 100 (Routine)
Pecos	United States	Record high minimum temperature	16.7 C (62.1 F)	25 of 100 (Routine)
Port Lavaca 2	United States	Record high maximum temperature	31.1 C (88.0 F)	25 of 100 (Routine)
Moonan Flat (High St)	Australia	Record daily precipitation	30.2 mm (1.2 in)	24 of 100 (Routine)
Lugano	Switzerland	Record daily precipitation	48.8 mm (1.9 in)	24 of 100 (Routine)
Hyannis	United States	Record low minimum temperature	-5.6 C (21.9 F)	24 of 100 (Routine)
Blanco	United States	Record high maximum temperature	39.4 C (102.9 F)	24 of 100 (Routine)
Flatonia 4SE	United States	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)
Creston	United States	Record low minimum temperature	-6.7 C (19.9 F)	24 of 100 (Routine)
Palestine 2 NE	United States	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)
Tobias Barreto	Brazil	Record daily precipitation	46.0 mm (1.8 in)	23 of 100 (Routine)

Counts by Type and Timescale

446 records

Records set or tied on 10 April 1963 by type: Highest daily maximum 124, Lowest daily maximum 18, Highest daily minimum 74, Lowest daily minimum 22, Heaviest daily rainfall 175, Heaviest daily snowfall 30, Deepest snow cover 3.

Records on 10 April 1963 by type
Record type	Records
Highest daily maximum	124
Lowest daily maximum	18
Highest daily minimum	74
Lowest daily minimum	22
Heaviest daily rainfall	175
Heaviest daily snowfall	30
Deepest snow cover	3

Records on 10 April 1963 by timescale: all-time 1, monthly 26, daily 419.

How Much Records Were Beaten By

356 broken records

Margins by which the 356 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 165.0. Ties are not counted.

Top 20 by Significance

10 April 1963

Top 20 records on 10 April 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 April 1963	Alicedale, ZA	daily rain	30.0 mm (1.2 in)	16.8 mm (0.7 in)	81 years	52 of 100 (Notable)
10 April 1963	Hermosa 3 SSW, US	daily rain	34.5 mm (1.4 in)	26.9 mm (1.1 in)	45 years	52 of 100 (Notable)
10 April 1963	Forsyth 2 E, US	monthly rain	39.4 mm (1.6 in)	13.0 mm (0.5 in)	1 year	44 of 100 (Notable)
10 April 1963	Mont-Aigoual, FR	daily rain	92.0 mm (3.6 in)	36.0 mm (1.4 in)	60 years	43 of 100 (Notable)
10 April 1963	Hedrum, NO	daily rain	25.0 mm (1.0 in)	12.0 mm (0.5 in)	64 years	42 of 100 (Notable)
10 April 1963	Cooktown Post Office, AU	daily rain	156.0 mm (6.1 in)	36.1 mm (1.4 in)	58 years	40 of 100 (Notable)
10 April 1963	Laura Post Office, AU	daily rain	34.0 mm (1.3 in)	27.6 mm (1.1 in)	30 years	39 of 100 (Notable)
10 April 1963	Truro Nsac, CA	daily snowfall	16.5 cm (6.5 in)	6.3 cm (2.5 in)	52 years	39 of 100 (Notable)
10 April 1963	Masindi, UG	daily rain	63.7 mm (2.5 in)	32.5 mm (1.3 in)	26 years	39 of 100 (Notable)
10 April 1963	Port Blair, IN	daily rain	40.3 mm (1.6 in)	26.3 mm (1.0 in)	53 years	38 of 100 (Notable)
10 April 1963	Katwa, IN	daily rain	43.2 mm (1.7 in)	32.0 mm (1.3 in)	20 years	37 of 100 (Notable)
10 April 1963	Colstrip, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	33 years	37 of 100 (Notable)
10 April 1963	Barras, BR	daily rain	69.0 mm (2.7 in)	29.5 mm (1.2 in)	48 years	36 of 100 (Notable)
10 April 1963	Jamunia, IN	daily rain	38.1 mm (1.5 in)	31.0 mm (1.2 in)	5 years	36 of 100 (Notable)
10 April 1963	Colstrip, US	daily rain	29.7 mm (1.2 in)	18.8 mm (0.7 in)	16 years	36 of 100 (Notable)
10 April 1963	Trafalgar, CA	daily snowfall	29.2 cm (11.5 in)	16.5 cm (6.5 in)	6 years	34 of 100 (Routine)
10 April 1963	Redig 11 NE, US	monthly snowfall	17.8 cm (7.0 in)	2.6 cm (1.0 in)	44 years	34 of 100 (Routine)
10 April 1963	Ayton, AU	daily rain	119.4 mm (4.7 in)	52.6 mm (2.1 in)	24 years	33 of 100 (Routine)
10 April 1963	Las Vegas 2 NW, US	daily high min	10.0 C (50.0 F)	2.8 C (5.0 F)	66 years	33 of 100 (Routine)
10 April 1963	Waxahachie, US	monthly high max	37.8 C (100.0 F)	0.6 C (1.1 F)	55 years	33 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

1793 to 1963

Records set or tied on this calendar date in each year from 1793 to 1963. 1963 had 446 records.

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

Records on 04-10 in each year
Year	Records
1793	1
1798	1
1805	1
1809	2
1812	3
1842	2
1844	1
1846	1
1847	1
1854	1
1863	2
1864	2
1865	2
1869	1
1872	1
1873	2
1875	2
1876	3
1877	2
1878	2
1879	1
1880	2
1882	1
1885	1
1886	1
1887	6
1888	1
1889	1
1890	4
1891	1
1892	4
1893	3
1894	5
1895	5
1896	4
1897	3
1898	6
1899	4
1900	8
1901	4
1902	4
1903	10
1904	12
1905	21
1906	24
1907	13
1908	8
1909	37
1910	15
1911	17
1912	55
1913	27
1914	25
1915	61
1916	94
1917	64
1918	43
1919	39
1920	66
1921	44
1922	178
1923	71
1924	119
1925	143
1926	86
1927	205
1928	245
1929	290
1930	646
1931	107
1932	290
1933	392
1934	237
1935	253
1936	186
1937	254
1938	401
1939	363
1940	252
1941	402
1942	548
1943	577
1944	718
1945	1,031
1946	287
1947	355
1948	335
1949	294
1950	599
1951	394
1952	793
1953	601
1954	243
1955	650
1956	377
1957	411
1958	326
1959	527
1960	683
1961	734
1962	258
1963	446
1964	239
1965	770
1966	537
1967	549
1968	498
1969	545
1970	521
1971	569
1972	639
1973	2,070
1974	935
1975	850
1976	431
1977	1,430
1978	1,233
1979	875
1980	654
1981	701
1982	1,138
1983	1,170
1984	548
1985	1,391
1986	562
1987	403
1988	764
1989	1,835
1990	1,135
1991	1,101
1992	929
1993	583
1994	844
1995	1,811
1996	1,475
1997	2,935
1998	899
1999	1,738
2000	651
2001	1,792
2002	589
2003	1,431
2004	548
2005	886
2006	650
2007	848
2008	1,141
2009	1,031
2010	574
2011	1,880
2012	846
2013	1,703
2014	615
2015	667
2016	921
2017	846
2018	861
2019	636
2020	712
2021	749
2022	783
2023	835
2024	713
2025	796
2026	840

Download the Data

Data for records on 1963-04-10: 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	322
25 to 50	19
50 to 75	7
75 to 100	2
100 to 125	3
125 to 150	2
150 to 175	1