Weather Records on 15 April 1966

464 weather records were set or tied worldwide on 15 April 1966. Highest significance: Attarikhat, IN.

Key Facts for 15 April 1966

On 15 April 1966, 464 weather records were set or tied at long-record stations worldwide.
117 were record highs and 223 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 450 daily.
Attarikhat set a daily record precipitation of 82.5 mm (3.2 in) on 15 April 1966.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 493 records.

Record Map

464 stations

464 station records on 15 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Attarikhat	India	Record daily precipitation	82.5 mm (3.2 in)	52 of 100 (Notable)
Nuwara Eliya	Sri Lanka	Record high maximum temperature	26.7 C (80.1 F)	50 of 100 (Notable)
Mazbat(Majbat)	India	Record daily precipitation	61.7 mm (2.4 in)	45 of 100 (Notable)
Uppsala_Aut	Sweden	Record low maximum temperature	-2.3 C (27.9 F)	45 of 100 (Notable)
Nordby (Fano)	Denmark	Record low maximum temperature	0.3 C (32.5 F)	44 of 100 (Notable)
Tepeaca	Mexico	Record daily precipitation	46.7 mm (1.8 in)	44 of 100 (Notable)
Nordby (Fano)	Denmark	Record low minimum temperature	-3.3 C (26.1 F)	38 of 100 (Notable)
Caron	Canada	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record low maximum temperature	0.3 C (32.5 F)	37 of 100 (Notable)
Vanersborg	Sweden	Record low minimum temperature	-6.5 C (20.3 F)	37 of 100 (Notable)
Sveg	Sweden	Record snow depth	94.0 cm (37.0 in)	37 of 100 (Notable)
Lake Arthur 7 SW	United States	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Sandvig	Denmark	Record low minimum temperature	-2.5 C (27.5 F)	36 of 100 (Notable)
Wrixum/Fohr	Germany	Record low minimum temperature	-3.5 C (25.7 F)	36 of 100 (Notable)
Oksoey Fyr	Norway	Record low minimum temperature	-5.3 C (22.5 F)	36 of 100 (Notable)
Kristianstad	Sweden	Record low minimum temperature	-6.6 C (20.1 F)	36 of 100 (Notable)
Karlshamn	Sweden	Record low maximum temperature	0.5 C (32.9 F)	36 of 100 (Notable)
St. Petersburg	Russia	Record low maximum temperature	-4.6 C (23.7 F)	35 of 100 (Notable)
Stockholm	Sweden	Record low minimum temperature	-6.5 C (20.3 F)	35 of 100 (Notable)
Sheffield	United Kingdom	Record low maximum temperature	2.8 C (37.0 F)	35 of 100 (Notable)
San Luis Obispo Poly	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Visby_Flygplats	Sweden	Record low minimum temperature	-5.2 C (22.6 F)	34 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record low maximum temperature	-1.5 C (29.3 F)	34 of 100 (Routine)
Vastervik	Sweden	Record low maximum temperature	-3.0 C (26.6 F)	34 of 100 (Routine)
Vanersborg	Sweden	Record low maximum temperature	-2.4 C (27.7 F)	34 of 100 (Routine)
Faerder Fyr	Norway	Record low minimum temperature	-4.8 C (23.4 F)	33 of 100 (Routine)
Stromsfoss Sluse	Norway	Record snow depth	32.0 cm (12.6 in)	33 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record low minimum temperature	-6.9 C (19.6 F)	33 of 100 (Routine)
Falsterbo	Sweden	Record low minimum temperature	-6.4 C (20.5 F)	33 of 100 (Routine)
Vastervik	Sweden	Record low minimum temperature	-5.4 C (22.3 F)	33 of 100 (Routine)
Boras	Sweden	Record low maximum temperature	-2.1 C (28.2 F)	33 of 100 (Routine)
Bjuraker	Sweden	Record low maximum temperature	-3.0 C (26.6 F)	33 of 100 (Routine)
Hawthorne AP	United States	Record high maximum temperature	30.0 C (86.0 F)	33 of 100 (Routine)
Hawthorne AP	United States	Record low minimum temperature	-7.2 C (19.0 F)	33 of 100 (Routine)
Kristianstad	Sweden	Record low maximum temperature	0.3 C (32.5 F)	32 of 100 (Routine)
Jonkoping	Sweden	Record low maximum temperature	-2.2 C (28.0 F)	32 of 100 (Routine)
Jonkoping	Sweden	Record low minimum temperature	-7.4 C (18.7 F)	32 of 100 (Routine)
Sveg	Sweden	Record low maximum temperature	-2.8 C (27.0 F)	32 of 100 (Routine)
Lowestoft	United Kingdom	Record low maximum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Marnitz	Germany	Record low maximum temperature	0.4 C (32.7 F)	31 of 100 (Routine)
Orebro	Sweden	Record low maximum temperature	-1.0 C (30.2 F)	31 of 100 (Routine)
Durham	United Kingdom	Record low maximum temperature	2.8 C (37.0 F)	31 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	31.5 C (88.7 F)	30 of 100 (Routine)
Vestervig	Denmark	Record low maximum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Attabari	India	Record daily precipitation	47.7 mm (1.9 in)	30 of 100 (Routine)
Ksara	Lebanon	Record high minimum temperature	15.8 C (60.4 F)	30 of 100 (Routine)
Ulricehamn	Sweden	Record low maximum temperature	-3.0 C (26.6 F)	30 of 100 (Routine)
Clarksdale	United States	Record low maximum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Greenville	United States	Record low maximum temperature	10.6 C (51.1 F)	30 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low maximum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Tartu-Toravere	Estonia	Record low maximum temperature	-1.8 C (28.8 F)	29 of 100 (Routine)
Tartu	Estonia	Record low maximum temperature	-1.3 C (29.7 F)	29 of 100 (Routine)
Tartu	Estonia	Record low minimum temperature	-7.6 C (18.3 F)	29 of 100 (Routine)
Bernburg/Saale (Nord)	Germany	Record low maximum temperature	2.4 C (36.3 F)	29 of 100 (Routine)
Utsira Fyr	Norway	Record low minimum temperature	-3.2 C (26.2 F)	29 of 100 (Routine)
Skara 1	Sweden	Record low maximum temperature	-1.3 C (29.7 F)	29 of 100 (Routine)
Stockholm	Sweden	Record low maximum temperature	-1.5 C (29.3 F)	29 of 100 (Routine)
San Bernardino F S 226	United States	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
St Joseph 3 N	United States	Record low maximum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
State UNIV	United States	Record low maximum temperature	12.2 C (54.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

464 records

Records set or tied on 15 April 1966 by type: Highest daily maximum 53, Lowest daily maximum 158, Highest daily minimum 64, Lowest daily minimum 65, Heaviest daily rainfall 94, Heaviest daily snowfall 6, Deepest snow cover 24.

Records on 15 April 1966 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	158
Highest daily minimum	64
Lowest daily minimum	65
Heaviest daily rainfall	94
Heaviest daily snowfall	6
Deepest snow cover	24

Records on 15 April 1966 by timescale: all-time 0, monthly 14, daily 450.

How Much Records Were Beaten By

391 broken records

Margins by which the 391 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 300.0. Ties are not counted.

Top 20 by Significance

15 April 1966

Top 20 records on 15 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 1966	Attarikhat, IN	daily rain	82.5 mm (3.2 in)	55.6 mm (2.2 in)	56 years	52 of 100 (Notable)
15 April 1966	Nuwara Eliya, LK	monthly high max	26.7 C (80.1 F)	0.6 C (1.1 F)	93 years	50 of 100 (Notable)
15 April 1966	Mazbat(Majbat), IN	daily rain	61.7 mm (2.4 in)	29.4 mm (1.2 in)	61 years	45 of 100 (Notable)
15 April 1966	Uppsala_Aut, SE	daily low max	-2.3 C (27.9 F)	2.5 C (4.5 F)	113 years	45 of 100 (Notable)
15 April 1966	Nordby (Fano), DK	daily low max	0.3 C (32.5 F)	3.4 C (6.1 F)	88 years	44 of 100 (Notable)
15 April 1966	Tepeaca, MX	daily rain	46.7 mm (1.8 in)	37.6 mm (1.5 in)	5 years	44 of 100 (Notable)
15 April 1966	Nordby (Fano), DK	daily low min	-3.3 C (26.1 F)	0.9 C (1.6 F)	88 years	38 of 100 (Notable)
15 April 1966	Caron, CA	daily snowfall	10.2 cm (4.0 in)	6.4 cm (2.5 in)	39 years	37 of 100 (Notable)
15 April 1966	Koebenhavn: Landbohojskolen-1, DK	daily low max	0.3 C (32.5 F)	4.6 C (8.3 F)	56 years	37 of 100 (Notable)
15 April 1966	Vanersborg, SE	daily low min	-6.5 C (20.3 F)	1.6 C (2.9 F)	80 years	37 of 100 (Notable)
15 April 1966	Sveg, SE	daily snow depth	94.0 cm (37.0 in)	30.0 cm (11.8 in)	49 years	37 of 100 (Notable)
15 April 1966	Lake Arthur 7 SW, US	daily rain	32.5 mm (1.3 in)	32.5 mm (1.3 in)	64 years	37 of 100 (Notable)
15 April 1966	Sandvig, DK	daily low min	-2.5 C (27.5 F)	0.3 C (0.5 F)	88 years	36 of 100 (Notable)
15 April 1966	Wrixum/Fohr, DE	daily low min	-3.5 C (25.7 F)	1.6 C (2.9 F)	73 years	36 of 100 (Notable)
15 April 1966	Oksoey Fyr, NO	daily low min	-5.3 C (22.5 F)	3.3 C (5.9 F)	56 years	36 of 100 (Notable)
15 April 1966	Kristianstad, SE	daily low min	-6.6 C (20.1 F)	1.6 C (2.9 F)	78 years	36 of 100 (Notable)
15 April 1966	Karlshamn, SE	daily low max	0.5 C (32.9 F)	2.5 C (4.5 F)	73 years	36 of 100 (Notable)
15 April 1966	St. Petersburg, RU	daily low max	-4.6 C (23.7 F)	1.9 C (3.4 F)	81 years	35 of 100 (Notable)
15 April 1966	Stockholm, SE	daily low min	-6.5 C (20.3 F)	1.0 C (1.8 F)	80 years	35 of 100 (Notable)
15 April 1966	Sheffield, GB	daily low max	2.8 C (37.0 F)	1.8 C (3.2 F)	73 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

1801 to 1966

Records set or tied on this calendar date in each year from 1801 to 1966. 1966 had 464 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 1966-04-15: 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	376
50 to 100	11
100 to 150	2
150 to 200	0
200 to 250	0
250 to 300	2