Weather Records on 5 April 1966

518 weather records were set or tied worldwide on 5 April 1966. Highest significance: Mumby, AU.

Key Facts for 5 April 1966

On 5 April 1966, 518 weather records were set or tied at long-record stations worldwide.
129 were record highs and 165 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 30 monthly and 485 daily.
Mumby set a monthly record daily precipitation of 88.9 mm (3.5 in) on 5 April 1966.
Across 154 earlier years (1809 to 2026) the same calendar date averaged 494 records.

Record Map

518 stations

518 station records on 5 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mumby	Australia	Record daily precipitation	88.9 mm (3.5 in)	65 of 100 (Major)
Willigulli North	Australia	Record daily precipitation	81.5 mm (3.2 in)	64 of 100 (Major)
Arukutty	India	Record daily precipitation	233.6 mm (9.2 in)	55 of 100 (Notable)
Porto da Folha	Brazil	Record daily precipitation	53.8 mm (2.1 in)	51 of 100 (Notable)
Hyden	Australia	Record daily precipitation	40.4 mm (1.6 in)	49 of 100 (Notable)
Campo Maior	Brazil	Record daily precipitation	115.4 mm (4.5 in)	49 of 100 (Notable)
Paratinga	Brazil	Record daily precipitation	96.1 mm (3.8 in)	48 of 100 (Notable)
Muntadgin	Australia	Record daily precipitation	36.1 mm (1.4 in)	47 of 100 (Notable)
Noongaar	Australia	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
Ajana	Australia	Record daily precipitation	70.6 mm (2.8 in)	45 of 100 (Notable)
Cunderdin	Australia	Record daily precipitation	50.5 mm (2.0 in)	45 of 100 (Notable)
Lynton	Australia	Record daily precipitation	52.6 mm (2.1 in)	44 of 100 (Notable)
Corrigin	Australia	Record daily precipitation	33.8 mm (1.3 in)	44 of 100 (Notable)
Balline	Australia	Record daily precipitation	81.0 mm (3.2 in)	42 of 100 (Notable)
The Granites	Australia	Record daily precipitation	52.3 mm (2.1 in)	41 of 100 (Notable)
Meckering	Australia	Record daily precipitation	38.9 mm (1.5 in)	40 of 100 (Notable)
York Post Office	Australia	Record daily precipitation	35.3 mm (1.4 in)	39 of 100 (Notable)
White Peak	Australia	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Howatharra	Australia	Record daily precipitation	48.5 mm (1.9 in)	38 of 100 (Notable)
Shackleton Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Kondinin	Australia	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Walgoolan	Australia	Record daily precipitation	28.7 mm (1.1 in)	38 of 100 (Notable)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	14.1 C (57.4 F)	38 of 100 (Notable)
Clearwater	United States	Record high maximum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Binnu	Australia	Record daily precipitation	60.2 mm (2.4 in)	37 of 100 (Notable)
Geraldton Town	Australia	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Ogilvie	Australia	Record daily precipitation	53.3 mm (2.1 in)	37 of 100 (Notable)
Boodjerakine	Australia	Record daily precipitation	59.4 mm (2.3 in)	36 of 100 (Notable)
Breakell	Australia	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Rio de Contas	Brazil	Record daily precipitation	80.0 mm (3.1 in)	36 of 100 (Notable)
Sarna	Sweden	Record snow depth	123.0 cm (48.4 in)	36 of 100 (Notable)
Ibimirim (Jeritaco)	Brazil	Record daily precipitation	60.0 mm (2.4 in)	35 of 100 (Notable)
Nanaimo	Canada	Record high maximum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
New Hazelton	Canada	Record high maximum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Russellville	United States	Record low minimum temperature	-3.3 C (26.1 F)	35 of 100 (Notable)
Northampton	Australia	Record daily precipitation	53.8 mm (2.1 in)	34 of 100 (Routine)
Ardath	Australia	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Doodenanning	Australia	Record daily precipitation	44.2 mm (1.7 in)	33 of 100 (Routine)
Booralee	Australia	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Casa Nova	Brazil	Record daily precipitation	59.0 mm (2.3 in)	33 of 100 (Routine)
Petrolina	Brazil	Record daily precipitation	54.0 mm (2.1 in)	33 of 100 (Routine)
Queimadas	Brazil	Record daily precipitation	41.2 mm (1.6 in)	33 of 100 (Routine)
Caledonia	Canada	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Eston	South Africa	Record daily precipitation	32.5 mm (1.3 in)	33 of 100 (Routine)
Portland Rfc City	United States	Record high minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Quatsino	Canada	Record high maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Port Townsend	United States	Record high maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Victoria Gonzales Hts	Canada	Record high maximum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Yuna	Australia	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Saanich Dom Astro Obs	Canada	Record high maximum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Barkerville	Canada	Record high maximum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Glenwood Spgs #2	United States	Record low minimum temperature	-16.7 C (1.9 F)	30 of 100 (Routine)
Aberdeen	United States	Record high maximum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Bodallin South	Australia	Record daily precipitation	41.9 mm (1.6 in)	29 of 100 (Routine)
Vik I Sogn III	Norway	Record snow depth	14.0 cm (5.5 in)	29 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record low maximum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Headworks Portland Wtr B	United States	Record high minimum temperature	8.9 C (48.0 F)	29 of 100 (Routine)
Glacier Rs	United States	Record high maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Gleneva	Australia	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Chengannur	India	Record daily precipitation	71.1 mm (2.8 in)	28 of 100 (Routine)

Counts by Type and Timescale

518 records

Records set or tied on 5 April 1966 by type: Highest daily maximum 105, Lowest daily maximum 48, Highest daily minimum 24, Lowest daily minimum 117, Heaviest daily rainfall 191, Heaviest daily snowfall 23, Deepest snow cover 10.

Records on 5 April 1966 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	48
Highest daily minimum	24
Lowest daily minimum	117
Heaviest daily rainfall	191
Heaviest daily snowfall	23
Deepest snow cover	10

Records on 5 April 1966 by timescale: all-time 3, monthly 30, daily 485.

How Much Records Were Beaten By

401 broken records

Margins by which the 401 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 230.0. Ties are not counted.

Top 20 by Significance

5 April 1966

Top 20 records on 5 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 April 1966	Mumby, AU	monthly rain	88.9 mm (3.5 in)	42.4 mm (1.7 in)	31 years	65 of 100 (Major)
5 April 1966	Willigulli North, AU	monthly rain	81.5 mm (3.2 in)	36.0 mm (1.4 in)	27 years	64 of 100 (Major)
5 April 1966	Arukutty, IN	monthly rain	233.6 mm (9.2 in)	49.7 mm (2.0 in)	57 years	55 of 100 (Notable)
5 April 1966	Porto da Folha, BR	daily rain	53.8 mm (2.1 in)	30.1 mm (1.2 in)	48 years	51 of 100 (Notable)
5 April 1966	Hyden, AU	daily rain	40.4 mm (1.6 in)	30.7 mm (1.2 in)	21 years	49 of 100 (Notable)
5 April 1966	Campo Maior, BR	daily rain	115.4 mm (4.5 in)	72.7 mm (2.9 in)	15 years	49 of 100 (Notable)
5 April 1966	Paratinga, BR	monthly rain	96.1 mm (3.8 in)	35.3 mm (1.4 in)	11 years	48 of 100 (Notable)
5 April 1966	Muntadgin, AU	daily rain	36.1 mm (1.4 in)	32.5 mm (1.3 in)	11 years	47 of 100 (Notable)
5 April 1966	Noongaar, AU	daily rain	27.9 mm (1.1 in)	21.3 mm (0.8 in)	32 years	46 of 100 (Notable)
5 April 1966	Ajana, AU	monthly rain	70.6 mm (2.8 in)	22.3 mm (0.9 in)	4 years	45 of 100 (Notable)
5 April 1966	Cunderdin, AU	daily rain	50.5 mm (2.0 in)	25.1 mm (1.0 in)	32 years	45 of 100 (Notable)
5 April 1966	Lynton, AU	daily rain	52.6 mm (2.1 in)	32.3 mm (1.3 in)	32 years	44 of 100 (Notable)
5 April 1966	Corrigin, AU	daily rain	33.8 mm (1.3 in)	20.3 mm (0.8 in)	32 years	44 of 100 (Notable)
5 April 1966	Balline, AU	monthly rain	81.0 mm (3.2 in)	30.2 mm (1.2 in)	4 years	42 of 100 (Notable)
5 April 1966	The Granites, AU	monthly rain	52.3 mm (2.1 in)	7.8 mm (0.31 in)	46 years	41 of 100 (Notable)
5 April 1966	Meckering, AU	daily rain	38.9 mm (1.5 in)	20.4 mm (0.8 in)	32 years	40 of 100 (Notable)
5 April 1966	York Post Office, AU	daily rain	35.3 mm (1.4 in)	17.0 mm (0.7 in)	32 years	39 of 100 (Notable)
5 April 1966	White Peak, AU	daily rain	38.9 mm (1.5 in)	18.6 mm (0.7 in)	32 years	38 of 100 (Notable)
5 April 1966	Howatharra, AU	daily rain	48.5 mm (1.9 in)	28.4 mm (1.1 in)	32 years	38 of 100 (Notable)
5 April 1966	Shackleton Post Office, AU	daily rain	38.9 mm (1.5 in)	18.3 mm (0.7 in)	32 years	38 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

1809 to 1966

Records set or tied on this calendar date in each year from 1809 to 1966. 1966 had 518 records.

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

Records on 04-05 in each year
Year	Records
1809	1
1815	2
1828	1
1848	2
1851	1
1853	1
1855	1
1857	1
1859	2
1870	1
1874	2
1876	2
1879	2
1881	4
1885	1
1886	3
1887	2
1888	3
1889	1
1890	1
1891	2
1892	4
1893	1
1895	2
1896	3
1897	4
1898	9
1899	5
1900	6
1901	5
1902	7
1903	15
1904	3
1905	30
1906	4
1907	15
1908	12
1909	33
1910	74
1911	82
1912	44
1913	11
1914	31
1915	36
1916	38
1917	43
1918	66
1919	36
1920	94
1921	158
1922	126
1923	107
1924	46
1925	111
1926	394
1927	149
1928	382
1929	1,124
1930	155
1931	162
1932	254
1933	379
1934	302
1935	416
1936	576
1937	427
1938	215
1939	356
1940	214
1941	401
1942	448
1943	344
1944	831
1945	460
1946	290
1947	649
1948	262
1949	379
1950	593
1951	305
1952	517
1953	249
1954	605
1955	364
1956	304
1957	795
1958	479
1959	559
1960	770
1961	523
1962	324
1963	546
1964	675
1965	456
1966	518
1967	745
1968	590
1969	498
1970	499
1971	481
1972	685
1973	680
1974	652
1975	1,581
1976	335
1977	880
1978	486
1979	886
1980	486
1981	927
1982	1,964
1983	1,909
1984	703
1985	922
1986	800
1987	1,687
1988	1,054
1989	945
1990	868
1991	1,595
1992	827
1993	627
1994	734
1995	1,500
1996	827
1997	2,108
1998	808
1999	1,658
2000	1,194
2001	1,097
2002	790
2003	1,120
2004	756
2005	856
2006	1,070
2007	1,144
2008	685
2009	1,096
2010	926
2011	974
2012	745
2013	987
2014	444
2015	433
2016	828
2017	518
2018	906
2019	373
2020	483
2021	1,030
2022	758
2023	2,543
2024	1,289
2025	1,320
2026	782

Download the Data

Data for records on 1966-04-05: 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	397
50 to 100	2
100 to 150	0
150 to 200	0
200 to 250	2