Weather Records on 7 April 1963

630 weather records were set or tied worldwide on 7 April 1963. Highest significance: Arcadia, US.

Key Facts for 7 April 1963

On 7 April 1963, 630 weather records were set or tied at long-record stations worldwide.
303 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 614 daily.
Arcadia set a monthly record daily precipitation of 129.5 mm (5.1 in) on 7 April 1963.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 478 records.

Record Map

630 stations

630 station records on 7 April 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 April 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Arcadia	United States	Record daily precipitation	129.5 mm (5.1 in)	67 of 100 (Major)
Boca	United States	Record daily precipitation	32.8 mm (1.3 in)	51 of 100 (Notable)
Grootfontein	Namibia	Record daily precipitation	73.0 mm (2.9 in)	46 of 100 (Notable)
Birdsville Police Station	Australia	Record daily precipitation	51.3 mm (2.0 in)	45 of 100 (Notable)
Donors Hill Station	Australia	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
McCall	United States	Record daily precipitation	28.2 mm (1.1 in)	44 of 100 (Notable)
Roseberth Station	Australia	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
Lindsay	United States	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Hatteras	United States	Record daily precipitation	79.2 mm (3.1 in)	40 of 100 (Notable)
Koolpinyah	Australia	Record daily precipitation	106.2 mm (4.2 in)	39 of 100 (Notable)
Kamilaroi Station	Australia	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
Timovskoe	Russia	Record low maximum temperature	-9.2 C (15.4 F)	37 of 100 (Notable)
Haparanda	Sweden	Record high maximum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Manassa	United States	Record high minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Savannah USDA Plt Gd	United States	Record daily precipitation	74.4 mm (2.9 in)	37 of 100 (Notable)
Moab	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Acude Sao Vicente	Brazil	Record daily precipitation	81.0 mm (3.2 in)	36 of 100 (Notable)
Springer	United States	Record high minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Ranken River	Australia	Record daily precipitation	76.5 mm (3.0 in)	35 of 100 (Notable)
Brunette Downs	Australia	Record daily precipitation	61.0 mm (2.4 in)	35 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
Matiwa (B0S)	South Africa	Record daily precipitation	119.5 mm (4.7 in)	35 of 100 (Notable)
Greenville	United States	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Ayton	Australia	Record daily precipitation	131.6 mm (5.2 in)	33 of 100 (Routine)
Barkly Downs	Australia	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Arrojado	Brazil	Record daily precipitation	69.1 mm (2.7 in)	33 of 100 (Routine)
High Prairie	Canada	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	55.0 mm (2.2 in)	33 of 100 (Routine)
Kaallaagte	South Africa	Record daily precipitation	43.5 mm (1.7 in)	33 of 100 (Routine)
Glenwood Spgs #2	United States	Record high minimum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Tyndall	United States	Record high minimum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Three Rivers Ed Ph 2	United States	Record daily precipitation	44.2 mm (1.7 in)	32 of 100 (Routine)
Bird Island	United States	Record high minimum temperature	8.3 C (46.9 F)	32 of 100 (Routine)
Ngukurr	Australia	Record daily precipitation	46.7 mm (1.8 in)	31 of 100 (Routine)
Alberga	Australia	Record daily precipitation	58.2 mm (2.3 in)	31 of 100 (Routine)
Juana Diaz Camp	Puerto Rico [United States]	Record daily precipitation	46.5 mm (1.8 in)	31 of 100 (Routine)
Milan 1NW	United States	Record high minimum temperature	9.4 C (48.9 F)	31 of 100 (Routine)
De Wagendrift	South Africa	Record daily precipitation	44.0 mm (1.7 in)	30 of 100 (Routine)
Wallace	United States	Record daily precipitation	42.7 mm (1.7 in)	30 of 100 (Routine)
Wheatland 4N	United States	Record high minimum temperature	8.3 C (46.9 F)	30 of 100 (Routine)
Darwin Loco Works	Australia	Record daily precipitation	79.2 mm (3.1 in)	29 of 100 (Routine)
Calmar	Canada	Record daily snowfall	16.5 cm (6.5 in)	29 of 100 (Routine)
Camp Pardee	United States	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Mineral	United States	Record daily precipitation	51.3 mm (2.0 in)	29 of 100 (Routine)
Castle Rock	United States	Record high minimum temperature	3.9 C (39.0 F)	29 of 100 (Routine)
N Loup	United States	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Ely AP	United States	Record high minimum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Blagovescensk	Russia	Record low minimum temperature	-17.3 C (0.9 F)	28 of 100 (Routine)
Ingwavuma (Tnk)	South Africa	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Georgetown	United States	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
Gold Run 4 SW	United States	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Iowa Hill	United States	Record daily precipitation	32.3 mm (1.3 in)	28 of 100 (Routine)
Beardsley	United States	Record high minimum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Edmore 4NW	United States	Record high minimum temperature	4.4 C (39.9 F)	28 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high minimum temperature	7.8 C (46.0 F)	28 of 100 (Routine)
Uruque	Brazil	Record daily precipitation	107.6 mm (4.2 in)	27 of 100 (Routine)
Brandon Cda	Canada	Record high minimum temperature	5.6 C (42.1 F)	27 of 100 (Routine)
Dhuti	India	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Sebeni (Bos)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	27 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	2.6 C (36.7 F)	27 of 100 (Routine)

Counts by Type and Timescale

630 records

Records set or tied on 7 April 1963 by type: Highest daily maximum 36, Lowest daily maximum 44, Highest daily minimum 267, Lowest daily minimum 18, Heaviest daily rainfall 253, Heaviest daily snowfall 11, Deepest snow cover 1.

Records on 7 April 1963 by type
Record type	Records
Highest daily maximum	36
Lowest daily maximum	44
Highest daily minimum	267
Lowest daily minimum	18
Heaviest daily rainfall	253
Heaviest daily snowfall	11
Deepest snow cover	1

Records on 7 April 1963 by timescale: all-time 0, monthly 16, daily 614.

How Much Records Were Beaten By

544 broken records

Margins by which the 544 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 77.0. Ties are not counted.

Top 20 by Significance

7 April 1963

Top 20 records on 7 April 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 April 1963	Arcadia, US	monthly rain	129.5 mm (5.1 in)	68.5 mm (2.7 in)	37 years	67 of 100 (Major)
7 April 1963	Boca, US	daily rain	32.8 mm (1.3 in)	25.2 mm (1.0 in)	44 years	51 of 100 (Notable)
7 April 1963	Grootfontein, NA	daily rain	73.0 mm (2.9 in)	50.0 mm (2.0 in)	9 years	46 of 100 (Notable)
7 April 1963	Birdsville Police Station, AU	daily rain	51.3 mm (2.0 in)	44.2 mm (1.7 in)	10 years	45 of 100 (Notable)
7 April 1963	Donors Hill Station, AU	daily rain	34.0 mm (1.3 in)	32.5 mm (1.3 in)	71 years	44 of 100 (Notable)
7 April 1963	McCall, US	daily rain	28.2 mm (1.1 in)	20.1 mm (0.8 in)	4 years	44 of 100 (Notable)
7 April 1963	Roseberth Station, AU	daily rain	43.2 mm (1.7 in)	43.2 mm (1.7 in)	48 years	43 of 100 (Notable)
7 April 1963	Lindsay, US	daily rain	26.9 mm (1.1 in)	16.0 mm (0.6 in)	40 years	42 of 100 (Notable)
7 April 1963	Hatteras, US	monthly rain	79.2 mm (3.1 in)	25.6 mm (1.0 in)	0 years	40 of 100 (Notable)
7 April 1963	Koolpinyah, AU	daily rain	106.2 mm (4.2 in)	57.4 mm (2.3 in)	37 years	39 of 100 (Notable)
7 April 1963	Kamilaroi Station, AU	monthly rain	57.7 mm (2.3 in)	14.5 mm (0.6 in)	30 years	39 of 100 (Notable)
7 April 1963	Timovskoe, RU	monthly low max	-9.2 C (15.4 F)	0.6 C (1.1 F)	65 years	37 of 100 (Notable)
7 April 1963	Haparanda, SE	daily high max	10.0 C (50.0 F)	1.8 C (3.2 F)	80 years	37 of 100 (Notable)
7 April 1963	Manassa, US	daily high min	5.6 C (42.1 F)	4.5 C (8.1 F)	69 years	37 of 100 (Notable)
7 April 1963	Savannah USDA Plt Gd, US	daily rain	74.4 mm (2.9 in)	39.1 mm (1.5 in)	24 years	37 of 100 (Notable)
7 April 1963	Moab, US	daily high min	19.4 C (66.9 F)	6.6 C (11.9 F)	54 years	37 of 100 (Notable)
7 April 1963	Acude Sao Vicente, BR	daily rain	81.0 mm (3.2 in)	44.2 mm (1.7 in)	8 years	36 of 100 (Notable)
7 April 1963	Springer, US	daily high min	10.6 C (51.1 F)	3.9 C (7.0 F)	68 years	36 of 100 (Notable)
7 April 1963	Ranken River, AU	monthly rain	76.5 mm (3.0 in)	10.0 mm (0.4 in)	52 years	35 of 100 (Notable)
7 April 1963	Brunette Downs, AU	daily rain	61.0 mm (2.4 in)	41.7 mm (1.6 in)	4 years	35 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 630 records.

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

Records on 04-07 in each year
Year	Records
1800	1
1808	1
1809	3
1811	1
1815	2
1839	1
1844	1
1851	1
1854	2
1858	2
1859	1
1863	1
1864	4
1865	1
1866	2
1868	1
1870	1
1871	1
1872	1
1875	2
1876	2
1880	1
1881	3
1882	1
1883	2
1884	1
1885	2
1886	2
1887	1
1888	1
1890	3
1891	2
1893	3
1894	3
1895	2
1896	3
1897	7
1898	3
1899	8
1900	5
1901	6
1902	14
1903	10
1904	11
1905	12
1906	2
1907	33
1908	20
1909	33
1910	24
1911	24
1912	59
1913	55
1914	23
1915	33
1916	62
1917	83
1918	37
1919	157
1920	63
1921	319
1922	57
1923	83
1924	138
1925	152
1926	343
1927	99
1928	378
1929	835
1930	327
1931	406
1932	132
1933	174
1934	230
1935	381
1936	1,184
1937	170
1938	803
1939	956
1940	294
1941	258
1942	420
1943	720
1944	166
1945	356
1946	397
1947	278
1948	734
1949	237
1950	1,030
1951	311
1952	491
1953	425
1954	514
1955	198
1956	458
1957	293
1958	358
1959	384
1960	532
1961	665
1962	572
1963	630
1964	457
1965	342
1966	302
1967	569
1968	302
1969	449
1970	494
1971	1,260
1972	1,290
1973	722
1974	576
1975	1,305
1976	329
1977	1,050
1978	686
1979	691
1980	497
1981	353
1982	3,747
1983	1,517
1984	583
1985	599
1986	901
1987	724
1988	1,402
1989	1,386
1990	813
1991	2,007
1992	693
1993	590
1994	1,144
1995	897
1996	1,112
1997	1,996
1998	1,231
1999	898
2000	634
2001	1,556
2002	755
2003	2,205
2004	554
2005	1,002
2006	856
2007	2,249
2008	807
2009	1,183
2010	1,691
2011	1,187
2012	514
2013	693
2014	936
2015	658
2016	793
2017	692
2018	1,980
2019	604
2020	529
2021	758
2022	818
2023	844
2024	1,360
2025	645
2026	381

Download the Data

Data for records on 1963-04-07: 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	464
10 to 20	43
20 to 30	18
30 to 40	6
40 to 50	5
50 to 60	3
60 to 70	4
70 to 80	1