Weather Records on 23 April 1963

801 weather records were set or tied worldwide on 23 April 1963. Highest significance: Hano_A, SE.

Key Facts for 23 April 1963

On 23 April 1963, 801 weather records were set or tied at long-record stations worldwide.
193 were record highs and 270 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 778 daily.
Hano_A set a daily record precipitation of 26.1 mm (1.0 in) on 23 April 1963.
Across 167 earlier years (1800 to 2026) the same calendar date averaged 442 records.

Record Map

801 stations

801 station records on 23 April 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 April 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hano_A	Sweden	Record daily precipitation	26.1 mm (1.0 in)	68 of 100 (Major)
Grayling	United States	Record daily snowfall	20.3 cm (8.0 in)	67 of 100 (Major)
Karlshamn	Sweden	Record daily precipitation	25.7 mm (1.0 in)	62 of 100 (Major)
Lake City Exp Farm	United States	Record daily snowfall	12.7 cm (5.0 in)	59 of 100 (Notable)
W Branch 3SE	United States	Record daily snowfall	13.2 cm (5.2 in)	59 of 100 (Notable)
Willmar Wwtp	United States	Record daily snowfall	16.5 cm (6.5 in)	59 of 100 (Notable)
Toronto	Canada	Record daily snowfall	7.6 cm (3.0 in)	56 of 100 (Notable)
Waverly	United States	Record daily precipitation	40.4 mm (1.6 in)	56 of 100 (Notable)
Acude Tucunduba	Brazil	Record daily precipitation	89.0 mm (3.5 in)	55 of 100 (Notable)
Belleville	Canada	Record daily snowfall	11.7 cm (4.6 in)	53 of 100 (Notable)
Coddington 1 E	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Houghton Lake 6 WSW	United States	Record daily snowfall	15.2 cm (6.0 in)	52 of 100 (Notable)
Ogdensburg 4 NE	United States	Record daily precipitation	31.8 mm (1.3 in)	52 of 100 (Notable)
Isakapally	India	Record daily precipitation	45.0 mm (1.8 in)	48 of 100 (Notable)
Sunticoppa	India	Record daily precipitation	71.1 mm (2.8 in)	47 of 100 (Notable)
Fife Lake 4 SW	United States	Record daily snowfall	14.0 cm (5.5 in)	47 of 100 (Notable)
Oconto 4 W	United States	Record daily snowfall	10.2 cm (4.0 in)	47 of 100 (Notable)
Durham	Canada	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Kurnool	India	Record daily precipitation	25.6 mm (1.0 in)	46 of 100 (Notable)
Baldwin	United States	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
Montevideo 1SW	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Tashkent	Uzbekistan	Record daily precipitation	38.0 mm (1.5 in)	46 of 100 (Notable)
Charlevoix	United States	Record daily snowfall	8.1 cm (3.2 in)	45 of 100 (Notable)
Harrison 1 NNW	United States	Record daily snowfall	10.2 cm (4.0 in)	45 of 100 (Notable)
Ludington 4 SE	United States	Record daily snowfall	6.1 cm (2.4 in)	43 of 100 (Notable)
Tracy	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Hatfield	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Shawano 2SSW	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Gladwin	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record daily snowfall	8.1 cm (3.2 in)	42 of 100 (Notable)
Graz	Austria	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
Armadale	Australia	Record daily precipitation	39.4 mm (1.6 in)	40 of 100 (Notable)
Hart 3 WSW	United States	Record daily snowfall	5.6 cm (2.2 in)	40 of 100 (Notable)
Stevens Pt	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Palmares	Brazil	Record daily precipitation	86.8 mm (3.4 in)	39 of 100 (Notable)
Sidlaghatta	India	Record daily precipitation	58.4 mm (2.3 in)	39 of 100 (Notable)
Hale Loud Dam	United States	Record daily snowfall	11.4 cm (4.5 in)	38 of 100 (Notable)
Ladysmith 3W	United States	Record daily snowfall	11.4 cm (4.5 in)	38 of 100 (Notable)
Tweed	Canada	Record daily snowfall	11.2 cm (4.4 in)	37 of 100 (Notable)
Anekal	India	Record daily precipitation	66.0 mm (2.6 in)	37 of 100 (Notable)
Wellston Tippy Dam	United States	Record daily snowfall	7.6 cm (3.0 in)	37 of 100 (Notable)
Newport 1 NW	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Mount Forest	Canada	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Orangeville	Canada	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Nandyal	India	Record daily precipitation	44.1 mm (1.7 in)	36 of 100 (Notable)
Marinette	United States	Record daily snowfall	14.0 cm (5.5 in)	36 of 100 (Notable)
Neillsville 3ESE	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Alton	Canada	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Gaylord	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Caledonia	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
New Carlisle	United States	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Mather 3 NW	United States	Record daily snowfall	13.2 cm (5.2 in)	35 of 100 (Notable)
New Ulm 2 SE	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Dulce	United States	Record low minimum temperature	-13.9 C (7.0 F)	34 of 100 (Routine)
Medford	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
Jarrahdale	Australia	Record daily precipitation	39.4 mm (1.6 in)	33 of 100 (Routine)
Caroleen	United States	Record high minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Richfield Radio Ksvc	United States	Record low minimum temperature	-10.0 C (14.0 F)	33 of 100 (Routine)
Fremantle	Australia	Record daily precipitation	36.6 mm (1.4 in)	32 of 100 (Routine)
Rockingham Post Office	Australia	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)

Counts by Type and Timescale

801 records

Records set or tied on 23 April 1963 by type: Highest daily maximum 86, Lowest daily maximum 82, Highest daily minimum 107, Lowest daily minimum 188, Heaviest daily rainfall 214, Heaviest daily snowfall 112, Deepest snow cover 12.

Records on 23 April 1963 by type
Record type	Records
Highest daily maximum	86
Lowest daily maximum	82
Highest daily minimum	107
Lowest daily minimum	188
Heaviest daily rainfall	214
Heaviest daily snowfall	112
Deepest snow cover	12

Records on 23 April 1963 by timescale: all-time 0, monthly 23, daily 778.

How Much Records Were Beaten By

642 broken records

Margins by which the 642 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

23 April 1963

Top 20 records on 23 April 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 April 1963	Hano_A, SE	daily rain	26.1 mm (1.0 in)	12.6 mm (0.5 in)	79 years	68 of 100 (Major)
23 April 1963	Grayling, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	69 years	67 of 100 (Major)
23 April 1963	Karlshamn, SE	daily rain	25.7 mm (1.0 in)	19.1 mm (0.8 in)	40 years	62 of 100 (Major)
23 April 1963	Lake City Exp Farm, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	69 years	59 of 100 (Notable)
23 April 1963	W Branch 3SE, US	daily snowfall	13.2 cm (5.2 in)	13.2 cm (5.2 in)	62 years	59 of 100 (Notable)
23 April 1963	Willmar Wwtp, US	daily snowfall	16.5 cm (6.5 in)	16.5 cm (6.5 in)	69 years	59 of 100 (Notable)
23 April 1963	Toronto, CA	daily snowfall	7.6 cm (3.0 in)	6.3 cm (2.5 in)	94 years	56 of 100 (Notable)
23 April 1963	Waverly, US	daily rain	40.4 mm (1.6 in)	28.5 mm (1.1 in)	64 years	56 of 100 (Notable)
23 April 1963	Acude Tucunduba, BR	daily rain	89.0 mm (3.5 in)	53.4 mm (2.1 in)	34 years	55 of 100 (Notable)
23 April 1963	Belleville, CA	daily snowfall	11.7 cm (4.6 in)	5.9 cm (2.3 in)	90 years	53 of 100 (Notable)
23 April 1963	Coddington 1 E, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	40 years	53 of 100 (Notable)
23 April 1963	Houghton Lake 6 WSW, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	49 years	52 of 100 (Notable)
23 April 1963	Ogdensburg 4 NE, US	daily rain	31.8 mm (1.3 in)	19.6 mm (0.8 in)	65 years	52 of 100 (Notable)
23 April 1963	Isakapally, IN	daily rain	45.0 mm (1.8 in)	43.5 mm (1.7 in)	36 years	48 of 100 (Notable)
23 April 1963	Sunticoppa, IN	daily rain	71.1 mm (2.8 in)	43.2 mm (1.7 in)	16 years	47 of 100 (Notable)
23 April 1963	Fife Lake 4 SW, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	44 years	47 of 100 (Notable)
23 April 1963	Oconto 4 W, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	69 years	47 of 100 (Notable)
23 April 1963	Durham, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	79 years	46 of 100 (Notable)
23 April 1963	Kurnool, IN	daily rain	25.6 mm (1.0 in)	20.5 mm (0.8 in)	52 years	46 of 100 (Notable)
23 April 1963	Baldwin, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	64 years	46 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

1800 to 1963

Records set or tied on this calendar date in each year from 1800 to 1963. 1963 had 801 records.

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

Records on 04-23 in each year
Year	Records
1800	1
1809	1
1812	1
1817	3
1838	1
1840	1
1842	1
1851	1
1852	2
1854	1
1855	5
1857	2
1859	1
1861	1
1865	1
1868	2
1870	1
1872	1
1873	4
1874	4
1875	1
1877	1
1878	1
1879	1
1881	2
1882	1
1883	2
1884	3
1885	4
1886	4
1888	1
1889	1
1890	4
1891	2
1892	1
1893	2
1895	3
1896	4
1897	2
1898	1
1899	6
1900	4
1901	9
1902	12
1903	20
1904	8
1905	7
1906	23
1907	12
1908	14
1909	28
1910	35
1911	21
1912	29
1913	40
1914	71
1915	41
1916	35
1917	37
1918	92
1919	66
1920	75
1921	81
1922	45
1923	132
1924	111
1925	506
1926	124
1927	562
1928	302
1929	103
1930	487
1931	506
1932	231
1933	361
1934	272
1935	152
1936	342
1937	321
1938	177
1939	339
1940	319
1941	277
1942	473
1943	819
1944	678
1945	364
1946	649
1947	242
1948	401
1949	401
1950	577
1951	426
1952	500
1953	300
1954	548
1955	654
1956	581
1957	623
1958	649
1959	442
1960	1,648
1961	884
1962	389
1963	801
1964	958
1965	660
1966	386
1967	1,183
1968	816
1969	705
1970	1,209
1971	508
1972	332
1973	518
1974	486
1975	411
1976	386
1977	979
1978	523
1979	554
1980	1,460
1981	1,124
1982	1,191
1983	1,031
1984	971
1985	1,011
1986	1,541
1987	676
1988	1,051
1989	1,469
1990	1,077
1991	638
1992	592
1993	1,256
1994	666
1995	1,464
1996	1,520
1997	1,024
1998	1,446
1999	1,198
2000	1,003
2001	1,435
2002	971
2003	557
2004	610
2005	940
2006	839
2007	847
2008	775
2009	920
2010	1,040
2011	1,190
2012	1,796
2013	1,655
2014	362
2015	511
2016	542
2017	474
2018	684
2019	668
2020	564
2021	562
2022	692
2023	980
2024	583
2025	410
2026	503

Download the Data

Data for records on 1963-04-23: 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 50	582
50 to 100	39
100 to 150	16
150 to 200	3
200 to 250	2