Weather Records on 11 April 1966

599 weather records were set or tied worldwide on 11 April 1966. Highest significance: Putten (Gld), NL.

Key Facts for 11 April 1966

On 11 April 1966, 599 weather records were set or tied at long-record stations worldwide.
66 were record highs and 186 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 574 daily.
Putten (Gld) set a daily record precipitation of 29.7 mm (1.2 in) on 11 April 1966.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 480 records.

Record Map

599 stations

599 station records on 11 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Putten (Gld)	Netherlands	Record daily precipitation	29.7 mm (1.2 in)	79 of 100 (Major)
Buffalo	United States	Record daily precipitation	39.4 mm (1.6 in)	59 of 100 (Notable)
Nova Russas	Brazil	Record daily precipitation	136.0 mm (5.4 in)	55 of 100 (Notable)
Arukutty	India	Record daily precipitation	130.5 mm (5.1 in)	55 of 100 (Notable)
Jasper	Canada	Record daily snowfall	26.4 cm (10.4 in)	54 of 100 (Notable)
Valemount	Canada	Record daily snowfall	21.6 cm (8.5 in)	52 of 100 (Notable)
Edgeley 3WNW	United States	Record snow depth	10.2 cm (4.0 in)	52 of 100 (Notable)
Barro Vermelho (Ibipitanga)	Brazil	Record daily precipitation	87.0 mm (3.4 in)	51 of 100 (Notable)
Uppsala_Aut	Sweden	Record low maximum temperature	-4.0 C (24.8 F)	51 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	65.0 mm (2.6 in)	49 of 100 (Notable)
Andarai	Brazil	Record daily precipitation	62.2 mm (2.4 in)	48 of 100 (Notable)
Big Creek	Canada	Record low minimum temperature	-20.6 C (-5.1 F)	48 of 100 (Notable)
Malakwa Eagle R Hatchery	Canada	Record daily precipitation	31.2 mm (1.2 in)	47 of 100 (Notable)
Nachiki	Russia	Record daily precipitation	27.3 mm (1.1 in)	47 of 100 (Notable)
New Meadows Rs	United States	Record daily precipitation	29.0 mm (1.1 in)	47 of 100 (Notable)
Darrington Rs	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Pao de Acucar	Brazil	Record daily precipitation	38.8 mm (1.5 in)	45 of 100 (Notable)
Eskridge	United States	Record daily precipitation	55.4 mm (2.2 in)	45 of 100 (Notable)
Burlington	United States	Record daily precipitation	41.1 mm (1.6 in)	44 of 100 (Notable)
Blue River North	Canada	Record daily snowfall	22.9 cm (9.0 in)	43 of 100 (Notable)
Boa Vista (Ledo)	Brazil	Record daily precipitation	88.2 mm (3.5 in)	42 of 100 (Notable)
Acude Cruzeta	Brazil	Record daily precipitation	109.9 mm (4.3 in)	41 of 100 (Notable)
Telkwa	Canada	Record low minimum temperature	-17.8 C (0.0 F)	41 of 100 (Notable)
Adur	India	Record daily precipitation	74.1 mm (2.9 in)	41 of 100 (Notable)
Klipplaat (Sar)	South Africa	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Riachao Do Jacuipe	Brazil	Record daily precipitation	34.9 mm (1.4 in)	40 of 100 (Notable)
Cap Madeleine	Canada	Record daily snowfall	22.9 cm (9.0 in)	40 of 100 (Notable)
Putbus	Germany	Record low maximum temperature	1.2 C (34.2 F)	40 of 100 (Notable)
Camptonville Rs	United States	Record daily precipitation	68.1 mm (2.7 in)	40 of 100 (Notable)
Armstrong	Canada	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Centralia	United States	Record daily precipitation	28.2 mm (1.1 in)	39 of 100 (Notable)
Coupeville 1 S	United States	Record low maximum temperature	6.1 C (43.0 F)	39 of 100 (Notable)
Espirito Santo	Brazil	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
River Jordan	Canada	Record daily snowfall	6.4 cm (2.5 in)	38 of 100 (Notable)
Big Creek	Canada	Record low maximum temperature	-6.1 C (21.0 F)	38 of 100 (Notable)
Salmon Arm	Canada	Record daily snowfall	8.9 cm (3.5 in)	38 of 100 (Notable)
Gavle	Sweden	Record low maximum temperature	-4.5 C (23.9 F)	38 of 100 (Notable)
Junction City	United States	Record daily precipitation	71.4 mm (2.8 in)	38 of 100 (Notable)
Seattle NAS	United States	Record daily precipitation	27.2 mm (1.1 in)	38 of 100 (Notable)
Jaguarari	Brazil	Record daily precipitation	75.1 mm (3.0 in)	37 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	1.4 C (34.5 F)	37 of 100 (Notable)
Panelas	Brazil	Record daily precipitation	58.6 mm (2.3 in)	36 of 100 (Notable)
Xique-Xique (Igatu)	Brazil	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)
Tatlayoko Lake	Canada	Record low minimum temperature	-15.6 C (3.9 F)	36 of 100 (Notable)
Beardsley	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Corinth 5 WSW	United States	Record low minimum temperature	-2.2 C (28.0 F)	36 of 100 (Notable)
Ouricuri	Brazil	Record daily precipitation	72.3 mm (2.8 in)	35 of 100 (Notable)
Estevan Point	Canada	Record daily snowfall	6.9 cm (2.7 in)	35 of 100 (Notable)
Fayette	United States	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Mystic Lake	United States	Record daily snowfall	40.6 cm (16.0 in)	35 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record low maximum temperature	-2.6 C (27.3 F)	34 of 100 (Routine)
Edgeley 3WNW	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
Startup 1 E	United States	Record daily precipitation	35.3 mm (1.4 in)	34 of 100 (Routine)
Pahala 21	United States	Record daily precipitation	72.4 mm (2.9 in)	34 of 100 (Routine)
Sao Miguel	Brazil	Record daily precipitation	78.6 mm (3.1 in)	32 of 100 (Routine)
Brejo da Madre de Deus	Brazil	Record daily precipitation	91.0 mm (3.6 in)	32 of 100 (Routine)
Chilliwack	Canada	Record low maximum temperature	5.0 C (41.0 F)	32 of 100 (Routine)
Vavenby	Canada	Record daily snowfall	12.7 cm (5.0 in)	32 of 100 (Routine)
Estacada 2 SE	United States	Record daily precipitation	28.7 mm (1.1 in)	32 of 100 (Routine)
Bellingham 2 N	United States	Record daily precipitation	41.7 mm (1.6 in)	32 of 100 (Routine)

Counts by Type and Timescale

599 records

Records set or tied on 11 April 1966 by type: Highest daily maximum 27, Lowest daily maximum 114, Highest daily minimum 39, Lowest daily minimum 72, Heaviest daily rainfall 285, Heaviest daily snowfall 55, Deepest snow cover 7.

Records on 11 April 1966 by type
Record type	Records
Highest daily maximum	27
Lowest daily maximum	114
Highest daily minimum	39
Lowest daily minimum	72
Heaviest daily rainfall	285
Heaviest daily snowfall	55
Deepest snow cover	7

Records on 11 April 1966 by timescale: all-time 1, monthly 24, daily 574.

How Much Records Were Beaten By

516 broken records

Margins by which the 516 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

11 April 1966

Top 20 records on 11 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1966	Putten (Gld), NL	daily rain	29.7 mm (1.2 in)	18.3 mm (0.7 in)	98 years	79 of 100 (Major)
11 April 1966	Buffalo, US	daily rain	39.4 mm (1.6 in)	30.0 mm (1.2 in)	47 years	59 of 100 (Notable)
11 April 1966	Nova Russas, BR	daily rain	136.0 mm (5.4 in)	81.0 mm (3.2 in)	39 years	55 of 100 (Notable)
11 April 1966	Arukutty, IN	daily rain	130.5 mm (5.1 in)	96.2 mm (3.8 in)	32 years	55 of 100 (Notable)
11 April 1966	Jasper, CA	monthly snowfall	26.4 cm (10.4 in)	15.0 cm (5.9 in)	0 years	54 of 100 (Notable)
11 April 1966	Valemount, CA	daily snowfall	21.6 cm (8.5 in)	17.8 cm (7.0 in)	24 years	52 of 100 (Notable)
11 April 1966	Edgeley 3WNW, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	64 years	52 of 100 (Notable)
11 April 1966	Barro Vermelho (Ibipitanga), BR	daily rain	87.0 mm (3.4 in)	66.5 mm (2.6 in)	28 years	51 of 100 (Notable)
11 April 1966	Uppsala_Aut, SE	monthly low max	-4.0 C (24.8 F)	0.6 C (1.1 F)	102 years	51 of 100 (Notable)
11 April 1966	Penedo, BR	daily rain	65.0 mm (2.6 in)	41.8 mm (1.6 in)	44 years	49 of 100 (Notable)
11 April 1966	Andarai, BR	daily rain	62.2 mm (2.4 in)	38.9 mm (1.5 in)	51 years	48 of 100 (Notable)
11 April 1966	Big Creek, CA	daily low min	-20.6 C (-5.1 F)	10.0 C (18.0 F)	55 years	48 of 100 (Notable)
11 April 1966	Malakwa Eagle R Hatchery, CA	monthly rain	31.2 mm (1.2 in)	9.1 mm (0.36 in)	38 years	47 of 100 (Notable)
11 April 1966	Nachiki, RU	daily rain	27.3 mm (1.1 in)	18.5 mm (0.7 in)	13 years	47 of 100 (Notable)
11 April 1966	New Meadows Rs, US	daily rain	29.0 mm (1.1 in)	13.0 mm (0.5 in)	56 years	47 of 100 (Notable)
11 April 1966	Darrington Rs, US	daily rain	50.8 mm (2.0 in)	30.5 mm (1.2 in)	37 years	46 of 100 (Notable)
11 April 1966	Pao de Acucar, BR	daily rain	38.8 mm (1.5 in)	33.8 mm (1.3 in)	16 years	45 of 100 (Notable)
11 April 1966	Eskridge, US	daily rain	55.4 mm (2.2 in)	35.8 mm (1.4 in)	20 years	45 of 100 (Notable)
11 April 1966	Burlington, US	daily rain	41.1 mm (1.6 in)	23.3 mm (0.9 in)	45 years	44 of 100 (Notable)
11 April 1966	Blue River North, CA	monthly snowfall	22.9 cm (9.0 in)	10.2 cm (4.0 in)	1 year	43 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 1966

Records set or tied on this calendar date in each year from 1800 to 1966. 1966 had 599 records.

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

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 1966-04-11: 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	489
50 to 100	19
100 to 150	3
150 to 200	4
200 to 250	0
250 to 300	0
300 to 350	1