Weather Records on 22 September 1966

595 weather records were set or tied worldwide on 22 September 1966. Highest significance: Holalkhere, IN.

Key Facts for 22 September 1966

On 22 September 1966, 595 weather records were set or tied at long-record stations worldwide.
291 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 6 monthly and 586 daily.
Holalkhere set an all-time record daily precipitation of 230.1 mm (9.1 in) on 22 September 1966.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 427 records.

Record Map

595 stations

595 station records on 22 September 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 September 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Holalkhere	India	Record daily precipitation	230.1 mm (9.1 in)	76 of 100 (Major)
Tenosique (Smn)	Mexico	Record daily precipitation	252.0 mm (9.9 in)	61 of 100 (Major)
Little Falls	United States	Record daily precipitation	160.5 mm (6.3 in)	54 of 100 (Notable)
Ipira (Camisao)	Brazil	Record daily precipitation	35.2 mm (1.4 in)	53 of 100 (Notable)
Middletown 4 W	United States	Record daily precipitation	49.5 mm (1.9 in)	53 of 100 (Notable)
Charlotteburg Rsvr	United States	Record daily precipitation	97.3 mm (3.8 in)	52 of 100 (Notable)
Toms River	United States	Record daily precipitation	89.9 mm (3.5 in)	52 of 100 (Notable)
High Falls	United States	Record daily precipitation	91.4 mm (3.6 in)	49 of 100 (Notable)
Paterson	United States	Record daily precipitation	140.7 mm (5.5 in)	43 of 100 (Notable)
Rifton 1 N	United States	Record daily precipitation	84.3 mm (3.3 in)	42 of 100 (Notable)
South Egremont	United States	Record daily precipitation	72.4 mm (2.9 in)	41 of 100 (Notable)
Papanasam	India	Record daily precipitation	50.0 mm (2.0 in)	40 of 100 (Notable)
New Brunswick Exp STN	United States	Record daily precipitation	52.6 mm (2.1 in)	40 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record daily precipitation	33.3 mm (1.3 in)	40 of 100 (Notable)
Conshohocken	United States	Record daily precipitation	82.3 mm (3.2 in)	40 of 100 (Notable)
Mistassini Post	Canada	Record daily precipitation	42.7 mm (1.7 in)	39 of 100 (Notable)
Ko253Lpatti Sr	India	Record daily precipitation	88.0 mm (3.5 in)	39 of 100 (Notable)
Boonton 1 SE	United States	Record daily precipitation	140.5 mm (5.5 in)	39 of 100 (Notable)
Breona	Australia	Record daily precipitation	79.0 mm (3.1 in)	38 of 100 (Notable)
Chicoutimi	Canada	Record daily precipitation	39.9 mm (1.6 in)	38 of 100 (Notable)
Pitea	Sweden	Record low minimum temperature	-5.2 C (22.6 F)	38 of 100 (Notable)
Normandin Cda	Canada	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Clinton	United States	Record daily precipitation	58.9 mm (2.3 in)	35 of 100 (Notable)
University	United States	Record low maximum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Scarsdale	United States	Record daily precipitation	64.0 mm (2.5 in)	34 of 100 (Routine)
Westfield 2 SSE	United States	Record daily precipitation	65.5 mm (2.6 in)	34 of 100 (Routine)
Doylestown	United States	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Amherst	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Columbus 4 ESE	United States	Record low maximum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Water Valley	United States	Record low maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Webster Springs	United States	Record daily precipitation	48.3 mm (1.9 in)	33 of 100 (Routine)
Flemington 5 NNW	United States	Record daily precipitation	63.0 mm (2.5 in)	32 of 100 (Routine)
Northfield	United States	Record daily precipitation	37.1 mm (1.5 in)	32 of 100 (Routine)
Virginia Sheedy Road	Australia	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Anupgarh	India	Record daily precipitation	45.0 mm (1.8 in)	31 of 100 (Routine)
Theethandathanam	India	Record daily precipitation	27.0 mm (1.1 in)	31 of 100 (Routine)
Louisville	United States	Record low maximum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
State UNIV	United States	Record low maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
Austin #2	United States	Record high minimum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Belvidere	United States	Record low maximum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
George School	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Manasa	India	Record daily precipitation	70.0 mm (2.8 in)	30 of 100 (Routine)
Hardwick	United States	Record daily precipitation	50.3 mm (2.0 in)	30 of 100 (Routine)
Holyoke	United States	Record daily precipitation	56.4 mm (2.2 in)	30 of 100 (Routine)
Canoe Brook	United States	Record daily precipitation	133.6 mm (5.3 in)	30 of 100 (Routine)
Beaver	United States	Record high maximum temperature	32.8 C (91.0 F)	30 of 100 (Routine)
Rutland	United States	Record daily precipitation	53.6 mm (2.1 in)	30 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Albanel	Canada	Record daily precipitation	35.3 mm (1.4 in)	29 of 100 (Routine)
South Pass City	United States	Record high minimum temperature	6.1 C (43.0 F)	29 of 100 (Routine)
Conceicao da Barra	Brazil	Record daily precipitation	34.0 mm (1.3 in)	28 of 100 (Routine)
Chipman	Canada	Record daily precipitation	36.1 mm (1.4 in)	28 of 100 (Routine)
Iguala (Smn)	Mexico	Record low maximum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Huichapan	Mexico	Record low maximum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Bernalillo	United States	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Prineville	United States	Record high maximum temperature	33.3 C (91.9 F)	28 of 100 (Routine)
Graterford	United States	Record daily precipitation	51.8 mm (2.0 in)	28 of 100 (Routine)
Lock Haven	United States	Record low maximum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Manti	United States	Record high maximum temperature	30.6 C (87.1 F)	28 of 100 (Routine)
Port Vincent	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)

Counts by Type and Timescale

595 records

Records set or tied on 22 September 1966 by type: Highest daily maximum 204, Lowest daily maximum 78, Highest daily minimum 87, Lowest daily minimum 16, Heaviest daily rainfall 209, Deepest snow cover 1.

Records on 22 September 1966 by type
Record type	Records
Highest daily maximum	204
Lowest daily maximum	78
Highest daily minimum	87
Lowest daily minimum	16
Heaviest daily rainfall	209
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 22 September 1966 by timescale: all-time 3, monthly 6, daily 586.

How Much Records Were Beaten By

483 broken records

Margins by which the 483 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.0. Ties are not counted.

Top 20 by Significance

22 September 1966

Top 20 records on 22 September 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 September 1966	Holalkhere, IN	all-time rain	230.1 mm (9.1 in)	84.0 mm (3.3 in)	34 years	76 of 100 (Major)
22 September 1966	Tenosique (Smn), MX	all-time rain	252.0 mm (9.9 in)	62.5 mm (2.5 in)	30 years	61 of 100 (Major)
22 September 1966	Little Falls, US	daily rain	160.5 mm (6.3 in)	96.2 mm (3.8 in)	28 years	54 of 100 (Notable)
22 September 1966	Ipira (Camisao), BR	daily rain	35.2 mm (1.4 in)	29.0 mm (1.1 in)	31 years	53 of 100 (Notable)
22 September 1966	Middletown 4 W, US	daily rain	49.5 mm (1.9 in)	27.7 mm (1.1 in)	83 years	53 of 100 (Notable)
22 September 1966	Charlotteburg Rsvr, US	daily rain	97.3 mm (3.8 in)	72.2 mm (2.8 in)	20 years	52 of 100 (Notable)
22 September 1966	Toms River, US	daily rain	89.9 mm (3.5 in)	78.2 mm (3.1 in)	19 years	52 of 100 (Notable)
22 September 1966	High Falls, US	daily rain	91.4 mm (3.6 in)	66.8 mm (2.6 in)	19 years	49 of 100 (Notable)
22 September 1966	Paterson, US	monthly rain	140.7 mm (5.5 in)	5.1 mm (0.20 in)	72 years	43 of 100 (Notable)
22 September 1966	Rifton 1 N, US	daily rain	84.3 mm (3.3 in)	60.4 mm (2.4 in)	19 years	42 of 100 (Notable)
22 September 1966	South Egremont, US	daily rain	72.4 mm (2.9 in)	47.3 mm (1.9 in)	4 years	41 of 100 (Notable)
22 September 1966	Papanasam, IN	daily rain	50.0 mm (2.0 in)	36.3 mm (1.4 in)	51 years	40 of 100 (Notable)
22 September 1966	New Brunswick Exp STN, US	daily rain	52.6 mm (2.1 in)	26.7 mm (1.1 in)	60 years	40 of 100 (Notable)
22 September 1966	Ithaca Cornell UNIV, US	daily rain	33.3 mm (1.3 in)	19.3 mm (0.8 in)	49 years	40 of 100 (Notable)
22 September 1966	Conshohocken, US	daily rain	82.3 mm (3.2 in)	63.2 mm (2.5 in)	8 years	40 of 100 (Notable)
22 September 1966	Mistassini Post, CA	daily rain	42.7 mm (1.7 in)	22.9 mm (0.9 in)	0 years	39 of 100 (Notable)
22 September 1966	Ko253Lpatti Sr, IN	monthly rain	88.0 mm (3.5 in)	7.2 mm (0.28 in)	61 years	39 of 100 (Notable)
22 September 1966	Boonton 1 SE, US	monthly rain	140.5 mm (5.5 in)	22.9 mm (0.9 in)	31 years	39 of 100 (Notable)
22 September 1966	Breona, AU	daily rain	79.0 mm (3.1 in)	50.3 mm (2.0 in)	17 years	38 of 100 (Notable)
22 September 1966	Chicoutimi, CA	daily rain	39.9 mm (1.6 in)	14.8 mm (0.6 in)	35 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

1793 to 1966

Records set or tied on this calendar date in each year from 1793 to 1966. 1966 had 595 records.

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

Records on 09-22 in each year
Year	Records
1793	1
1796	1
1824	1
1825	1
1827	1
1830	1
1835	1
1838	1
1840	1
1842	2
1845	1
1846	1
1848	1
1851	3
1855	1
1856	1
1858	1
1863	1
1865	1
1868	1
1872	1
1874	1
1875	1
1877	4
1878	1
1881	2
1882	3
1885	1
1886	1
1888	1
1889	2
1890	2
1892	3
1893	1
1894	1
1895	7
1896	2
1897	3
1898	8
1899	12
1900	3
1901	3
1902	7
1903	4
1904	34
1905	5
1906	16
1907	12
1908	10
1909	6
1910	18
1911	17
1912	17
1913	43
1914	48
1915	23
1916	236
1917	128
1918	25
1919	64
1920	35
1921	44
1922	27
1923	118
1924	132
1925	265
1926	214
1927	160
1928	119
1929	166
1930	231
1931	732
1932	189
1933	230
1934	348
1935	231
1936	448
1937	507
1938	394
1939	266
1940	621
1941	424
1942	323
1943	266
1944	299
1945	739
1946	288
1947	583
1948	345
1949	385
1950	394
1951	419
1952	383
1953	253
1954	359
1955	584
1956	490
1957	580
1958	633
1959	416
1960	360
1961	555
1962	732
1963	351
1964	249
1965	841
1966	595
1967	507
1968	526
1969	488
1970	1,197
1971	500
1972	448
1973	509
1974	1,075
1975	591
1976	538
1977	632
1978	620
1979	991
1980	1,199
1981	754
1982	1,122
1983	2,060
1984	614
1985	820
1986	729
1987	1,300
1988	665
1989	1,155
1990	795
1991	758
1992	1,011
1993	1,448
1994	941
1995	2,498
1996	916
1997	851
1998	1,251
1999	1,172
2000	1,508
2001	604
2002	718
2003	1,472
2004	948
2005	1,155
2006	1,260
2007	896
2008	830
2009	985
2010	1,217
2011	611
2012	568
2013	673
2014	812
2015	666
2016	1,096
2017	1,272
2018	574
2019	651
2020	687
2021	432
2022	985
2023	905
2024	502
2025	387
2026	309

Download the Data

Data for records on 1966-09-22: 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	444
20 to 40	28
40 to 60	2
60 to 80	6
80 to 100	3