Weather Records on 23 April 1966

386 weather records were set or tied worldwide on 23 April 1966. Highest significance: Baku, AZ.

Key Facts for 23 April 1966

On 23 April 1966, 386 weather records were set or tied at long-record stations worldwide.
68 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 10 monthly and 374 daily.
Baku set a monthly record daily precipitation of 73.3 mm (2.9 in) on 23 April 1966.
Across 167 earlier years (1800 to 2026) the same calendar date averaged 445 records.

Record Map

386 stations

386 station records on 23 April 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 April 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Baku	Azerbaijan	Record daily precipitation	73.3 mm (2.9 in)	82 of 100 (Exceptional)
Kasumkent	Russia	Record daily precipitation	59.3 mm (2.3 in)	60 of 100 (Major)
Zverinogolovskaja	Russia	Record daily precipitation	42.0 mm (1.7 in)	56 of 100 (Notable)
Troitsk	Russia	Record daily precipitation	53.5 mm (2.1 in)	53 of 100 (Notable)
Gilmer 4 WNW	United States	Record daily precipitation	200.2 mm (7.9 in)	52 of 100 (Notable)
Gilbert	United States	Record daily precipitation	97.8 mm (3.9 in)	50 of 100 (Notable)
Peermade Residen	India	Record daily precipitation	116.8 mm (4.6 in)	49 of 100 (Notable)
Derbent	Russia	Record daily precipitation	32.7 mm (1.3 in)	47 of 100 (Notable)
McAlester Rgnl AP	United States	Record daily precipitation	93.2 mm (3.7 in)	47 of 100 (Notable)
Asola	India	Record daily precipitation	40.0 mm (1.6 in)	46 of 100 (Notable)
Chhuikhadan	India	Record daily precipitation	39.0 mm (1.5 in)	44 of 100 (Notable)
Bilasuvar	Azerbaijan	Record daily precipitation	36.9 mm (1.5 in)	43 of 100 (Notable)
Jefferson	United States	Record daily precipitation	92.7 mm (3.6 in)	42 of 100 (Notable)
Cidra 1 E	Puerto Rico [United States]	Record low maximum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Tastyp	Russia	Record daily precipitation	25.5 mm (1.0 in)	38 of 100 (Notable)
S Haven	United States	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Stamford 1	United States	Record daily precipitation	62.0 mm (2.4 in)	37 of 100 (Notable)
St Catharines	Canada	Record daily precipitation	25.7 mm (1.0 in)	36 of 100 (Notable)
Batesville L&D 1	United States	Record daily precipitation	54.1 mm (2.1 in)	36 of 100 (Notable)
Marengo	United States	Record daily precipitation	34.8 mm (1.4 in)	36 of 100 (Notable)
Diamond Springs	United States	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Mtn Home 1 NNW	United States	Record daily precipitation	85.1 mm (3.4 in)	35 of 100 (Notable)
Dolgeville	United States	Record daily precipitation	36.8 mm (1.4 in)	35 of 100 (Notable)
Birch Tree	United States	Record daily precipitation	87.9 mm (3.5 in)	34 of 100 (Routine)
Sveg	Sweden	Record snow depth	89.0 cm (35.0 in)	33 of 100 (Routine)
Corning	United States	Record daily precipitation	48.8 mm (1.9 in)	33 of 100 (Routine)
Dixon Wwtp	United States	Record daily precipitation	31.5 mm (1.2 in)	33 of 100 (Routine)
Willow Sprg Radio Kuku	United States	Record daily precipitation	37.6 mm (1.5 in)	33 of 100 (Routine)
Olenja Rechka	Russia	Record daily precipitation	53.9 mm (2.1 in)	32 of 100 (Routine)
Fayetteville Exp STN	United States	Record daily precipitation	51.3 mm (2.0 in)	32 of 100 (Routine)
Union	United States	Record daily precipitation	48.5 mm (1.9 in)	32 of 100 (Routine)
Karesuando	Sweden	Record low maximum temperature	-3.6 C (25.5 F)	31 of 100 (Routine)
Grenola 1 N	United States	Record daily precipitation	44.5 mm (1.8 in)	31 of 100 (Routine)
Gazimammad Aerodrom	Azerbaijan	Record daily precipitation	53.8 mm (2.1 in)	30 of 100 (Routine)
Oxnard	United States	Record high maximum temperature	30.0 C (86.0 F)	30 of 100 (Routine)
Fall Rvr Lake	United States	Record daily precipitation	42.7 mm (1.7 in)	30 of 100 (Routine)
Durham	United States	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Cheyyar	India	Record daily precipitation	40.0 mm (1.6 in)	29 of 100 (Routine)
Orje	Norway	Record snow depth	44.0 cm (17.3 in)	29 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	14.1 C (57.4 F)	29 of 100 (Routine)
Topaz	Australia	Record daily precipitation	130.0 mm (5.1 in)	28 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	29.0 mm (1.1 in)	28 of 100 (Routine)
Nes Pa Hedmark	Norway	Record snow depth	67.0 cm (26.4 in)	28 of 100 (Routine)
Kentfield	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Everett	United States	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Lankaran	Azerbaijan	Record daily precipitation	31.3 mm (1.2 in)	27 of 100 (Routine)
Calico Rock 2 WSW	United States	Record daily precipitation	58.4 mm (2.3 in)	27 of 100 (Routine)
Norcross	United States	Record daily precipitation	50.0 mm (2.0 in)	27 of 100 (Routine)
Sedan	United States	Record daily precipitation	34.8 mm (1.4 in)	27 of 100 (Routine)
Steelville 2 N	United States	Record daily precipitation	43.7 mm (1.7 in)	27 of 100 (Routine)
Midland Odessa	United States	Record daily precipitation	28.2 mm (1.1 in)	27 of 100 (Routine)
Kotzebue AP	United States	Record low maximum temperature	-16.7 C (1.9 F)	27 of 100 (Routine)
Woodhouse	Australia	Record daily precipitation	59.7 mm (2.4 in)	26 of 100 (Routine)
Aracaju	Brazil	Record daily precipitation	74.5 mm (2.9 in)	26 of 100 (Routine)
Stromsfoss Sluse	Norway	Record snow depth	24.0 cm (9.4 in)	26 of 100 (Routine)
Marshall	United States	Record daily precipitation	46.2 mm (1.8 in)	26 of 100 (Routine)
Pocahontas 1	United States	Record daily precipitation	64.8 mm (2.6 in)	26 of 100 (Routine)
El Reno 1 N	United States	Record low maximum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
Hennessey 4 ESE	United States	Record daily precipitation	49.3 mm (1.9 in)	26 of 100 (Routine)
Lynnville 4 SSW	United States	Record high minimum temperature	17.2 C (63.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

386 records

Records set or tied on 23 April 1966 by type: Highest daily maximum 22, Lowest daily maximum 32, Highest daily minimum 46, Lowest daily minimum 30, Heaviest daily rainfall 239, Heaviest daily snowfall 4, Deepest snow cover 13.

Records on 23 April 1966 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	32
Highest daily minimum	46
Lowest daily minimum	30
Heaviest daily rainfall	239
Heaviest daily snowfall	4
Deepest snow cover	13

Records on 23 April 1966 by timescale: all-time 2, monthly 10, daily 374.

How Much Records Were Beaten By

337 broken records

Margins by which the 337 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

23 April 1966

Top 20 records on 23 April 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 April 1966	Baku, AZ	monthly rain	73.3 mm (2.9 in)	31.7 mm (1.2 in)	80 years	82 of 100 (Exceptional)
23 April 1966	Kasumkent, RU	monthly rain	59.3 mm (2.3 in)	26.2 mm (1.0 in)	25 years	60 of 100 (Major)
23 April 1966	Zverinogolovskaja, RU	monthly rain	42.0 mm (1.7 in)	16.7 mm (0.7 in)	11 years	56 of 100 (Notable)
23 April 1966	Troitsk, RU	monthly rain	53.5 mm (2.1 in)	31.1 mm (1.2 in)	1 year	53 of 100 (Notable)
23 April 1966	Gilmer 4 WNW, US	all-time rain	200.2 mm (7.9 in)	38.9 mm (1.5 in)	32 years	52 of 100 (Notable)
23 April 1966	Gilbert, US	daily rain	97.8 mm (3.9 in)	77.5 mm (3.1 in)	21 years	50 of 100 (Notable)
23 April 1966	Peermade Residen, IN	daily rain	116.8 mm (4.6 in)	71.6 mm (2.8 in)	12 years	49 of 100 (Notable)
23 April 1966	Derbent, RU	monthly rain	32.7 mm (1.3 in)	10.7 mm (0.4 in)	25 years	47 of 100 (Notable)
23 April 1966	McAlester Rgnl AP, US	daily rain	93.2 mm (3.7 in)	55.9 mm (2.2 in)	20 years	47 of 100 (Notable)
23 April 1966	Asola, IN	daily rain	40.0 mm (1.6 in)	22.2 mm (0.9 in)	32 years	46 of 100 (Notable)
23 April 1966	Chhuikhadan, IN	daily rain	39.0 mm (1.5 in)	19.9 mm (0.8 in)	56 years	44 of 100 (Notable)
23 April 1966	Bilasuvar, AZ	monthly rain	36.9 mm (1.5 in)	11.2 mm (0.4 in)	13 years	43 of 100 (Notable)
23 April 1966	Jefferson, US	daily rain	92.7 mm (3.6 in)	67.3 mm (2.6 in)	13 years	42 of 100 (Notable)
23 April 1966	Cidra 1 E, PR	daily low max	22.8 C (73.0 F)	2.8 C (5.0 F)	64 years	39 of 100 (Notable)
23 April 1966	Tastyp, RU	daily rain	25.5 mm (1.0 in)	13.6 mm (0.5 in)	16 years	38 of 100 (Notable)
23 April 1966	S Haven, US	daily rain	31.5 mm (1.2 in)	9.9 mm (0.39 in)	69 years	38 of 100 (Notable)
23 April 1966	Stamford 1, US	daily rain	62.0 mm (2.4 in)	26.4 mm (1.0 in)	52 years	37 of 100 (Notable)
23 April 1966	St Catharines, CA	daily rain	25.7 mm (1.0 in)	14.3 mm (0.6 in)	21 years	36 of 100 (Notable)
23 April 1966	Batesville L&D 1, US	daily rain	54.1 mm (2.1 in)	35.8 mm (1.4 in)	21 years	36 of 100 (Notable)
23 April 1966	Marengo, US	daily rain	34.8 mm (1.4 in)	13.2 mm (0.5 in)	47 years	36 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 386 records.

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

Records on 04-23 in each year
Year	Records
1800	1
1809	1
1812	1
1817	3
1838	1
1840	1
1842	1
1851	1
1852	2
1854	1
1855	5
1857	2
1859	1
1861	1
1865	1
1868	2
1870	1
1872	1
1873	4
1874	4
1875	1
1877	1
1878	1
1879	1
1881	2
1882	1
1883	2
1884	3
1885	4
1886	4
1888	1
1889	1
1890	4
1891	2
1892	1
1893	2
1895	3
1896	4
1897	2
1898	1
1899	6
1900	4
1901	9
1902	12
1903	20
1904	8
1905	7
1906	23
1907	12
1908	14
1909	28
1910	35
1911	21
1912	29
1913	40
1914	71
1915	41
1916	35
1917	37
1918	92
1919	66
1920	75
1921	81
1922	45
1923	132
1924	111
1925	506
1926	124
1927	562
1928	302
1929	103
1930	487
1931	506
1932	231
1933	361
1934	272
1935	152
1936	342
1937	321
1938	177
1939	339
1940	319
1941	277
1942	473
1943	819
1944	678
1945	364
1946	649
1947	242
1948	401
1949	401
1950	577
1951	426
1952	500
1953	300
1954	548
1955	654
1956	581
1957	623
1958	649
1959	442
1960	1,648
1961	884
1962	389
1963	801
1964	958
1965	660
1966	386
1967	1,183
1968	816
1969	705
1970	1,209
1971	508
1972	332
1973	518
1974	486
1975	411
1976	386
1977	979
1978	523
1979	554
1980	1,460
1981	1,124
1982	1,191
1983	1,031
1984	971
1985	1,011
1986	1,541
1987	676
1988	1,051
1989	1,469
1990	1,077
1991	638
1992	592
1993	1,256
1994	666
1995	1,464
1996	1,520
1997	1,024
1998	1,446
1999	1,198
2000	1,003
2001	1,435
2002	971
2003	557
2004	610
2005	940
2006	839
2007	847
2008	775
2009	920
2010	1,040
2011	1,190
2012	1,796
2013	1,655
2014	362
2015	511
2016	542
2017	474
2018	684
2019	668
2020	564
2021	562
2022	692
2023	980
2024	583
2025	410
2026	503

Download the Data

Data for records on 1966-04-23: 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	321
50 to 100	8
100 to 150	1
150 to 200	2
200 to 250	2
250 to 300	1
300 to 350	2