Weather Records on 4 April 1963

586 weather records were set or tied worldwide on 4 April 1963. Highest significance: Afton Downs Station, AU.

Key Facts for 4 April 1963

On 4 April 1963, 586 weather records were set or tied at long-record stations worldwide.
233 were record highs and 59 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 567 daily.
Afton Downs Station set a monthly record daily precipitation of 147.6 mm (5.8 in) on 4 April 1963.
Across 155 earlier years (1794 to 2026) the same calendar date averaged 504 records.

Record Map

586 stations

586 station records on 4 April 1963 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 April 1963: highest significance records shown on the map
Station	Country	Type	Value	Significance
Afton Downs Station	Australia	Record daily precipitation	147.6 mm (5.8 in)	69 of 100 (Major)
Chudleigh Park Station	Australia	Record daily precipitation	149.9 mm (5.9 in)	68 of 100 (Major)
Darr River Downs	Australia	Record daily precipitation	194.1 mm (7.6 in)	60 of 100 (Major)
Waialua 847	United States	Record daily precipitation	100.6 mm (4.0 in)	58 of 100 (Notable)
Kawailoa	United States	Record daily precipitation	115.6 mm (4.6 in)	57 of 100 (Notable)
Wanganella (Zara)	Australia	Record daily precipitation	36.8 mm (1.4 in)	55 of 100 (Notable)
Wando Vale Station	Australia	Record daily precipitation	69.9 mm (2.8 in)	53 of 100 (Notable)
Stonehenge	Australia	Record daily precipitation	39.6 mm (1.6 in)	53 of 100 (Notable)
Ewa Plantation 741	United States	Record daily precipitation	52.1 mm (2.1 in)	52 of 100 (Notable)
Waipahu 750	United States	Record daily precipitation	68.6 mm (2.7 in)	52 of 100 (Notable)
Prestwood Station	Australia	Record daily precipitation	94.0 mm (3.7 in)	51 of 100 (Notable)
Kidston Gold Mine	Australia	Record daily precipitation	64.8 mm (2.6 in)	50 of 100 (Notable)
Torrens Creek Post Office	Australia	Record daily precipitation	102.6 mm (4.0 in)	49 of 100 (Notable)
Whitewood Post Office	Australia	Record daily precipitation	170.4 mm (6.7 in)	45 of 100 (Notable)
Punaluu 884	United States	Record daily precipitation	88.1 mm (3.5 in)	45 of 100 (Notable)
Toolebuc	Australia	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Baddeck	Canada	Record daily snowfall	6.4 cm (2.5 in)	43 of 100 (Notable)
Waterkloof	South Africa	Record daily precipitation	53.0 mm (2.1 in)	43 of 100 (Notable)
Petrusberg (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	41 of 100 (Notable)
Kealia 1112	United States	Record daily precipitation	62.7 mm (2.5 in)	41 of 100 (Notable)
Glendower Station	Australia	Record daily precipitation	61.7 mm (2.4 in)	40 of 100 (Notable)
Cameron Downs	Australia	Record daily precipitation	66.0 mm (2.6 in)	40 of 100 (Notable)
Corona Downs	Australia	Record daily precipitation	57.9 mm (2.3 in)	40 of 100 (Notable)
Palapye	Botswana	Record daily precipitation	38.0 mm (1.5 in)	38 of 100 (Notable)
Barrow AP	United States	Record daily snowfall	10.7 cm (4.2 in)	37 of 100 (Notable)
Bladensburg	Australia	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Llanrheidol Station	Australia	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Brandwag	South Africa	Record daily precipitation	50.0 mm (2.0 in)	35 of 100 (Notable)
Lihue 1020	United States	Record daily precipitation	64.0 mm (2.5 in)	35 of 100 (Notable)
Merlin Station	Australia	Record daily precipitation	54.6 mm (2.1 in)	34 of 100 (Routine)
Duchess Hotel	Australia	Record daily precipitation	55.9 mm (2.2 in)	34 of 100 (Routine)
Palmer 3 ESE	United States	Record daily precipitation	44.2 mm (1.7 in)	34 of 100 (Routine)
Groothoek	South Africa	Record daily precipitation	42.0 mm (1.7 in)	33 of 100 (Routine)
Beerlaagte	South Africa	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Kilauea 1134	United States	Record daily precipitation	84.6 mm (3.3 in)	33 of 100 (Routine)
Kisinev	Moldova	Record low maximum temperature	2.5 C (36.5 F)	32 of 100 (Routine)
Homestead Post Office	Australia	Record daily precipitation	110.7 mm (4.4 in)	31 of 100 (Routine)
Oak Park Station	Australia	Record daily precipitation	52.8 mm (2.1 in)	31 of 100 (Routine)
Tiree	Australia	Record daily precipitation	44.5 mm (1.8 in)	31 of 100 (Routine)
Markovo	Russia	Record high minimum temperature	-2.9 C (26.8 F)	31 of 100 (Routine)
Bomnak	Russia	Record low minimum temperature	-32.1 C (-25.8 F)	31 of 100 (Routine)
Kahuku 912	United States	Record daily precipitation	76.2 mm (3.0 in)	31 of 100 (Routine)
Olekminsk	Russia	Record low maximum temperature	-17.5 C (0.5 F)	30 of 100 (Routine)
Bajandaj	Russia	Record low minimum temperature	-25.2 C (-13.4 F)	30 of 100 (Routine)
Sussex 1 NW	United States	Record high maximum temperature	28.9 C (84.0 F)	30 of 100 (Routine)
Big Moose 3 SE	United States	Record daily precipitation	39.4 mm (1.6 in)	30 of 100 (Routine)
Stillwater Rsvr	United States	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Moloaa 1145	United States	Record daily precipitation	76.2 mm (3.0 in)	30 of 100 (Routine)
Toliness Station	Australia	Record daily precipitation	47.8 mm (1.9 in)	29 of 100 (Routine)
Acude Tucunduba	Brazil	Record daily precipitation	80.0 mm (3.1 in)	29 of 100 (Routine)
Acude Patos	Brazil	Record daily precipitation	74.5 mm (2.9 in)	29 of 100 (Routine)
Chita	Russia	Record low maximum temperature	-6.2 C (20.8 F)	29 of 100 (Routine)
Koffiefontein (Pol)	South Africa	Record daily precipitation	28.5 mm (1.1 in)	29 of 100 (Routine)
Rooikop	South Africa	Record daily precipitation	29.3 mm (1.2 in)	29 of 100 (Routine)
San Sebastian - Igueldo	Spain	Record daily precipitation	37.8 mm (1.5 in)	29 of 100 (Routine)
Barcelona/Aeropuerto	Spain	Record daily precipitation	25.0 mm (1.0 in)	29 of 100 (Routine)
State College	United States	Record high maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Warrnambool Downs	Australia	Record daily precipitation	37.1 mm (1.5 in)	28 of 100 (Routine)
Iraucuba	Brazil	Record daily precipitation	45.0 mm (1.8 in)	28 of 100 (Routine)
Stolhoek	South Africa	Record daily precipitation	28.0 mm (1.1 in)	28 of 100 (Routine)

Counts by Type and Timescale

586 records

Records set or tied on 4 April 1963 by type: Highest daily maximum 137, Lowest daily maximum 33, Highest daily minimum 96, Lowest daily minimum 26, Heaviest daily rainfall 279, Heaviest daily snowfall 14, Deepest snow cover 1.

Records on 4 April 1963 by type
Record type	Records
Highest daily maximum	137
Lowest daily maximum	33
Highest daily minimum	96
Lowest daily minimum	26
Heaviest daily rainfall	279
Heaviest daily snowfall	14
Deepest snow cover	1

Records on 4 April 1963 by timescale: all-time 1, monthly 18, daily 567.

How Much Records Were Beaten By

480 broken records

Margins by which the 480 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.7. Ties are not counted.

Top 20 by Significance

4 April 1963

Top 20 records on 4 April 1963 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 April 1963	Afton Downs Station, AU	monthly rain	147.6 mm (5.8 in)	89.7 mm (3.5 in)	42 years	69 of 100 (Major)
4 April 1963	Chudleigh Park Station, AU	monthly rain	149.9 mm (5.9 in)	72.4 mm (2.9 in)	34 years	68 of 100 (Major)
4 April 1963	Darr River Downs, AU	monthly rain	194.1 mm (7.6 in)	102.7 mm (4.0 in)	13 years	60 of 100 (Major)
4 April 1963	Waialua 847, US	daily rain	100.6 mm (4.0 in)	66.3 mm (2.6 in)	44 years	58 of 100 (Notable)
4 April 1963	Kawailoa, US	daily rain	115.6 mm (4.6 in)	76.2 mm (3.0 in)	44 years	57 of 100 (Notable)
4 April 1963	Wanganella (Zara), AU	daily rain	36.8 mm (1.4 in)	24.1 mm (0.9 in)	57 years	55 of 100 (Notable)
4 April 1963	Wando Vale Station, AU	monthly rain	69.9 mm (2.8 in)	28.8 mm (1.1 in)	18 years	53 of 100 (Notable)
4 April 1963	Stonehenge, AU	daily rain	39.6 mm (1.6 in)	39.6 mm (1.6 in)	40 years	53 of 100 (Notable)
4 April 1963	Ewa Plantation 741, US	daily rain	52.1 mm (2.1 in)	45.0 mm (1.8 in)	44 years	52 of 100 (Notable)
4 April 1963	Waipahu 750, US	daily rain	68.6 mm (2.7 in)	49.3 mm (1.9 in)	44 years	52 of 100 (Notable)
4 April 1963	Prestwood Station, AU	daily rain	94.0 mm (3.7 in)	71.1 mm (2.8 in)	21 years	51 of 100 (Notable)
4 April 1963	Kidston Gold Mine, AU	daily rain	64.8 mm (2.6 in)	57.7 mm (2.3 in)	20 years	50 of 100 (Notable)
4 April 1963	Torrens Creek Post Office, AU	daily rain	102.6 mm (4.0 in)	56.9 mm (2.2 in)	29 years	49 of 100 (Notable)
4 April 1963	Whitewood Post Office, AU	all-time rain	170.4 mm (6.7 in)	25.6 mm (1.0 in)	12 years	45 of 100 (Notable)
4 April 1963	Punaluu 884, US	daily rain	88.1 mm (3.5 in)	66.8 mm (2.6 in)	44 years	45 of 100 (Notable)
4 April 1963	Toolebuc, AU	daily rain	38.6 mm (1.5 in)	38.6 mm (1.5 in)	48 years	43 of 100 (Notable)
4 April 1963	Baddeck, CA	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	85 years	43 of 100 (Notable)
4 April 1963	Waterkloof, ZA	daily rain	53.0 mm (2.1 in)	41.8 mm (1.6 in)	12 years	43 of 100 (Notable)
4 April 1963	Petrusberg (Pol), ZA	daily rain	34.0 mm (1.3 in)	23.1 mm (0.9 in)	53 years	41 of 100 (Notable)
4 April 1963	Kealia 1112, US	daily rain	62.7 mm (2.5 in)	30.9 mm (1.2 in)	44 years	41 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

1794 to 1963

Records set or tied on this calendar date in each year from 1794 to 1963. 1963 had 586 records.

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

Records on 04-04 in each year
Year	Records
1794	1
1808	1
1809	1
1815	2
1819	1
1853	1
1857	1
1873	1
1874	2
1877	2
1878	1
1879	3
1880	2
1881	3
1882	1
1883	1
1884	1
1885	1
1886	2
1887	1
1888	1
1891	1
1892	6
1893	2
1895	2
1896	3
1897	4
1898	7
1899	4
1900	7
1901	12
1902	2
1903	17
1904	6
1905	23
1906	7
1907	9
1908	20
1909	15
1910	48
1911	55
1912	25
1913	31
1914	13
1915	52
1916	65
1917	36
1918	37
1919	27
1920	89
1921	205
1922	39
1923	101
1924	51
1925	126
1926	206
1927	203
1928	625
1929	1,320
1930	86
1931	201
1932	193
1933	167
1934	656
1935	402
1936	714
1937	344
1938	201
1939	243
1940	392
1941	353
1942	537
1943	456
1944	975
1945	806
1946	459
1947	397
1948	202
1949	458
1950	1,044
1951	352
1952	348
1953	332
1954	742
1955	448
1956	426
1957	984
1958	492
1959	524
1960	756
1961	525
1962	308
1963	586
1964	675
1965	443
1966	469
1967	438
1968	640
1969	424
1970	438
1971	560
1972	695
1973	511
1974	1,356
1975	1,981
1976	353
1977	780
1978	497
1979	984
1980	690
1981	1,393
1982	1,251
1983	1,202
1984	762
1985	865
1986	810
1987	2,317
1988	1,119
1989	668
1990	826
1991	957
1992	1,270
1993	733
1994	726
1995	935
1996	699
1997	1,538
1998	931
1999	1,575
2000	1,371
2001	1,040
2002	989
2003	1,055
2004	782
2005	1,070
2006	911
2007	1,009
2008	860
2009	1,068
2010	758
2011	1,155
2012	830
2013	938
2014	705
2015	452
2016	795
2017	603
2018	1,196
2019	407
2020	914
2021	1,341
2022	1,014
2023	2,058
2024	966
2025	1,330
2026	894

Download the Data

Data for records on 1963-04-04: 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	420
20 to 40	43
40 to 60	7
60 to 80	8
80 to 100	1
100 to 120	1