Weather Records on 4 April 1966

469 weather records were set or tied worldwide on 4 April 1966. Highest significance: Pattanamphitta, IN.

Key Facts for 4 April 1966

On 4 April 1966, 469 weather records were set or tied at long-record stations worldwide.
152 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 16 monthly and 449 daily.
Pattanamphitta set an all-time record daily precipitation of 279.9 mm (11.0 in) on 4 April 1966.
Across 155 earlier years (1794 to 2026) the same calendar date averaged 504 records.

Record Map

469 stations

469 station records on 4 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pattanamphitta	India	Record daily precipitation	279.9 mm (11.0 in)	71 of 100 (Major)
Wooleen	Australia	Record daily precipitation	59.2 mm (2.3 in)	60 of 100 (Major)
Willigulli North	Australia	Record daily precipitation	32.5 mm (1.3 in)	59 of 100 (Notable)
Mount Narryer	Australia	Record daily precipitation	57.2 mm (2.3 in)	56 of 100 (Notable)
Naraling	Australia	Record daily precipitation	36.8 mm (1.4 in)	56 of 100 (Notable)
Greenough	Australia	Record daily precipitation	53.3 mm (2.1 in)	55 of 100 (Notable)
Tenindewa Bindu	Australia	Record daily precipitation	40.1 mm (1.6 in)	55 of 100 (Notable)
Deland 1 SSE	United States	Record daily precipitation	72.9 mm (2.9 in)	55 of 100 (Notable)
Conceicao da Barra	Brazil	Record daily precipitation	131.6 mm (5.2 in)	54 of 100 (Notable)
Manfred	Australia	Record daily precipitation	54.4 mm (2.1 in)	53 of 100 (Notable)
Inverness 3 SE	United States	Record daily precipitation	90.2 mm (3.6 in)	53 of 100 (Notable)
Dalgaranga	Australia	Record daily precipitation	42.2 mm (1.7 in)	52 of 100 (Notable)
Murgoo	Australia	Record daily precipitation	55.1 mm (2.2 in)	51 of 100 (Notable)
Red Hill	Australia	Record daily precipitation	57.2 mm (2.3 in)	49 of 100 (Notable)
Towrana	Australia	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Kalli	Australia	Record daily precipitation	64.3 mm (2.5 in)	48 of 100 (Notable)
Sunderland	Australia	Record daily precipitation	36.8 mm (1.4 in)	48 of 100 (Notable)
Dullabcherra	India	Record daily precipitation	138.0 mm (5.4 in)	48 of 100 (Notable)
Jingemarra	Australia	Record daily precipitation	34.5 mm (1.4 in)	47 of 100 (Notable)
Portland Rfc City	United States	Record high minimum temperature	15.0 C (59.0 F)	47 of 100 (Notable)
Geraldton Town	Australia	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Hillriver Farm	Australia	Record daily precipitation	30.0 mm (1.2 in)	46 of 100 (Notable)
Mumby	Australia	Record daily precipitation	36.8 mm (1.4 in)	46 of 100 (Notable)
Yuna	Australia	Record daily precipitation	33.8 mm (1.3 in)	46 of 100 (Notable)
Iguala (Smn)	Mexico	Record low maximum temperature	27.8 C (82.0 F)	46 of 100 (Notable)
Ajana	Australia	Record daily precipitation	38.4 mm (1.5 in)	45 of 100 (Notable)
Tenindewa	Australia	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
White Peak	Australia	Record daily precipitation	43.9 mm (1.7 in)	45 of 100 (Notable)
Mount Caroline	Australia	Record daily precipitation	25.7 mm (1.0 in)	44 of 100 (Notable)
Byro	Australia	Record daily precipitation	45.7 mm (1.8 in)	43 of 100 (Notable)
Woogalong	Australia	Record daily precipitation	33.8 mm (1.3 in)	40 of 100 (Notable)
Sao Bento Do Una	Brazil	Record daily precipitation	56.1 mm (2.2 in)	40 of 100 (Notable)
Twin Peaks	Australia	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Lynton	Australia	Record daily precipitation	40.6 mm (1.6 in)	39 of 100 (Notable)
Narra Tarra	Australia	Record daily precipitation	34.8 mm (1.4 in)	39 of 100 (Notable)
Saguache	United States	Record daily snowfall	10.7 cm (4.2 in)	38 of 100 (Notable)
Binnu	Australia	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Navarre	Australia	Record daily precipitation	26.7 mm (1.1 in)	37 of 100 (Notable)
Eudamullah	Australia	Record daily precipitation	59.4 mm (2.3 in)	36 of 100 (Notable)
Meka Station	Australia	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Isseka	Australia	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Ogilvie	Australia	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Sveg	Sweden	Record snow depth	124.0 cm (48.8 in)	35 of 100 (Notable)
Mount Phillip	Australia	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Dongara	Australia	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Santa Cruz Juventino Rosas (S	Mexico	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Coupeville 1 S	United States	Record high maximum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Port Townsend	United States	Record high maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Newport	United States	Record high maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Tallapoosa 2 N	United States	Record daily precipitation	54.6 mm (2.1 in)	33 of 100 (Routine)
Balla	Australia	Record daily precipitation	32.8 mm (1.3 in)	32 of 100 (Routine)
Powell River	Canada	Record high maximum temperature	19.4 C (66.9 F)	32 of 100 (Routine)
Scotia	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
New Forest	Australia	Record daily precipitation	45.7 mm (1.8 in)	31 of 100 (Routine)
Varley	Australia	Record daily precipitation	31.5 mm (1.2 in)	31 of 100 (Routine)
Brooksville Chin Hill	United States	Record daily precipitation	65.3 mm (2.6 in)	31 of 100 (Routine)
Ullawarra	Australia	Record daily precipitation	29.7 mm (1.2 in)	30 of 100 (Routine)
Riverside	Australia	Record daily precipitation	31.5 mm (1.2 in)	30 of 100 (Routine)
Dawson	Canada	Record high minimum temperature	1.7 C (35.1 F)	30 of 100 (Routine)
Juazeiro	Brazil	Record daily precipitation	98.9 mm (3.9 in)	29 of 100 (Routine)

Counts by Type and Timescale

469 records

Records set or tied on 4 April 1966 by type: Highest daily maximum 95, Lowest daily maximum 41, Highest daily minimum 57, Lowest daily minimum 24, Heaviest daily rainfall 237, Heaviest daily snowfall 8, Deepest snow cover 7.

Records on 4 April 1966 by type
Record type	Records
Highest daily maximum	95
Lowest daily maximum	41
Highest daily minimum	57
Lowest daily minimum	24
Heaviest daily rainfall	237
Heaviest daily snowfall	8
Deepest snow cover	7

Records on 4 April 1966 by timescale: all-time 4, monthly 16, daily 449.

How Much Records Were Beaten By

397 broken records

Margins by which the 397 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

4 April 1966

Top 20 records on 4 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 April 1966	Pattanamphitta, IN	all-time rain	279.9 mm (11.0 in)	80.5 mm (3.2 in)	17 years	71 of 100 (Major)
4 April 1966	Wooleen, AU	daily rain	59.2 mm (2.3 in)	39.6 mm (1.6 in)	45 years	60 of 100 (Major)
4 April 1966	Willigulli North, AU	daily rain	32.5 mm (1.3 in)	30.7 mm (1.2 in)	45 years	59 of 100 (Notable)
4 April 1966	Mount Narryer, AU	daily rain	57.2 mm (2.3 in)	53.4 mm (2.1 in)	33 years	56 of 100 (Notable)
4 April 1966	Naraling, AU	daily rain	36.8 mm (1.4 in)	27.9 mm (1.1 in)	51 years	56 of 100 (Notable)
4 April 1966	Greenough, AU	daily rain	53.3 mm (2.1 in)	34.0 mm (1.3 in)	24 years	55 of 100 (Notable)
4 April 1966	Tenindewa Bindu, AU	daily rain	40.1 mm (1.6 in)	33.5 mm (1.3 in)	33 years	55 of 100 (Notable)
4 April 1966	Deland 1 SSE, US	daily rain	72.9 mm (2.9 in)	48.5 mm (1.9 in)	52 years	55 of 100 (Notable)
4 April 1966	Conceicao da Barra, BR	monthly rain	131.6 mm (5.2 in)	48.2 mm (1.9 in)	21 years	54 of 100 (Notable)
4 April 1966	Manfred, AU	monthly rain	54.4 mm (2.1 in)	18.8 mm (0.7 in)	42 years	53 of 100 (Notable)
4 April 1966	Inverness 3 SE, US	monthly rain	90.2 mm (3.6 in)	28.7 mm (1.1 in)	52 years	53 of 100 (Notable)
4 April 1966	Dalgaranga, AU	daily rain	42.2 mm (1.7 in)	35.6 mm (1.4 in)	24 years	52 of 100 (Notable)
4 April 1966	Murgoo, AU	daily rain	55.1 mm (2.2 in)	48.2 mm (1.9 in)	15 years	51 of 100 (Notable)
4 April 1966	Red Hill, AU	daily rain	57.2 mm (2.3 in)	49.8 mm (2.0 in)	48 years	49 of 100 (Notable)
4 April 1966	Towrana, AU	daily rain	35.6 mm (1.4 in)	32.0 mm (1.3 in)	41 years	48 of 100 (Notable)
4 April 1966	Kalli, AU	daily rain	64.3 mm (2.5 in)	36.4 mm (1.4 in)	32 years	48 of 100 (Notable)
4 April 1966	Sunderland, AU	daily rain	36.8 mm (1.4 in)	31.7 mm (1.2 in)	15 years	48 of 100 (Notable)
4 April 1966	Dullabcherra, IN	daily rain	138.0 mm (5.4 in)	66.9 mm (2.6 in)	55 years	48 of 100 (Notable)
4 April 1966	Jingemarra, AU	daily rain	34.5 mm (1.4 in)	31.2 mm (1.2 in)	15 years	47 of 100 (Notable)
4 April 1966	Portland Rfc City, US	daily high min	15.0 C (59.0 F)	3.3 C (5.9 F)	87 years	47 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 1966

Records set or tied on this calendar date in each year from 1794 to 1966. 1966 had 469 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 1966-04-04: 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	344
20 to 40	42
40 to 60	6
60 to 80	1
80 to 100	2
100 to 120	0
120 to 140	2