Weather Records on 12 September 1966

416 weather records were set or tied worldwide on 12 September 1966. Highest significance: Nogales, US.

Key Facts for 12 September 1966

On 12 September 1966, 416 weather records were set or tied at long-record stations worldwide.
153 were record highs and 119 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 410 daily.
Nogales set a daily record precipitation of 58.4 mm (2.3 in) on 12 September 1966.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 413 records.

Record Map

416 stations

416 station records on 12 September 1966 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1966: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nogales	United States	Record daily precipitation	58.4 mm (2.3 in)	56 of 100 (Notable)
Birmingham AP	United States	Record daily precipitation	83.3 mm (3.3 in)	52 of 100 (Notable)
Santo Antonio	Brazil	Record daily precipitation	52.4 mm (2.1 in)	50 of 100 (Notable)
Raevsky	Russia	Record daily precipitation	36.9 mm (1.5 in)	49 of 100 (Notable)
Ibicua	Brazil	Record daily precipitation	39.2 mm (1.5 in)	47 of 100 (Notable)
Tucson Magnetic Obsy	United States	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Khibiny	Russia	Record daily precipitation	26.9 mm (1.1 in)	40 of 100 (Notable)
Foxholm 7 N	United States	Record high minimum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Sulphur Springs	United States	Record low maximum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record high minimum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Mehgawan	India	Record daily precipitation	67.6 mm (2.7 in)	35 of 100 (Notable)
Columbus 4 ESE	United States	Record daily precipitation	42.4 mm (1.7 in)	35 of 100 (Notable)
Robe Comparison	Australia	Record high maximum temperature	22.0 C (71.6 F)	34 of 100 (Routine)
Alhandra	Brazil	Record daily precipitation	48.5 mm (1.9 in)	34 of 100 (Routine)
Minden	United States	Record low maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
New Salem 5NW	United States	Record high minimum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Globe Rs	United States	Record low maximum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Marshall	United States	Record low maximum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Enisejsk	Russia	Record high maximum temperature	22.8 C (73.0 F)	30 of 100 (Routine)
Livingston	United States	Record low maximum temperature	23.3 C (73.9 F)	30 of 100 (Routine)
Winnsboro 5 SSE	United States	Record daily precipitation	69.6 mm (2.7 in)	30 of 100 (Routine)
Cordova AP	United States	Record daily precipitation	106.7 mm (4.2 in)	30 of 100 (Routine)
Alagoa Nova (Laranjeiras)	Brazil	Record daily precipitation	25.8 mm (1.0 in)	29 of 100 (Routine)
Grenfell	Canada	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	91.4 mm (3.6 in)	29 of 100 (Routine)
Columbia	United States	Record daily precipitation	48.8 mm (1.9 in)	29 of 100 (Routine)
Willow City	United States	Record high maximum temperature	35.6 C (96.1 F)	29 of 100 (Routine)
Wrangell AP	United States	Record low minimum temperature	1.1 C (34.0 F)	29 of 100 (Routine)
Fort Qu'appelle	Canada	Record high minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Indian Head Cda	Canada	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Pierson	Canada	Record high minimum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
Isla Perez	Mexico	Record high maximum temperature	38.3 C (100.9 F)	28 of 100 (Routine)
Bangalow Motel	Australia	Record daily precipitation	36.8 mm (1.4 in)	27 of 100 (Routine)
Semans	Canada	Record high minimum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Chita	Russia	Record low minimum temperature	-4.3 C (24.3 F)	27 of 100 (Routine)
New England	United States	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Ulundurpet	India	Record daily precipitation	38.0 mm (1.5 in)	26 of 100 (Routine)
Granite Reef Dam	United States	Record low maximum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Winkelman 6 S	United States	Record low maximum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Dickinson Exp STN	United States	Record high minimum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
Corsicana	United States	Record low maximum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Saentis	Switzerland	Record high maximum temperature	16.4 C (61.5 F)	25 of 100 (Routine)
Benson	United States	Record low maximum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Crosby	United States	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Clarksville 2NE	United States	Record low maximum temperature	21.1 C (70.0 F)	25 of 100 (Routine)
Graham	United States	Record low maximum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Kaufman 3 SE	United States	Record low maximum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Freiburg	Germany	Record high maximum temperature	30.2 C (86.4 F)	24 of 100 (Routine)
Arhangelsk	Russia	Record low minimum temperature	-0.9 C (30.4 F)	24 of 100 (Routine)
Tucson WFO	United States	Record daily precipitation	39.1 mm (1.5 in)	24 of 100 (Routine)
Towner 2 NE	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Westhope	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Hermiston 1 SE	United States	Record low maximum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Greenville Kgvl Radio	United States	Record low maximum temperature	21.7 C (71.1 F)	24 of 100 (Routine)
Mt Pleasant	United States	Record low maximum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Wills Pt	United States	Record low maximum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Whitewood	Canada	Record high minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Hedrum	Norway	Record daily precipitation	27.0 mm (1.1 in)	23 of 100 (Routine)
Roldal	Norway	Record daily precipitation	29.8 mm (1.2 in)	23 of 100 (Routine)

Counts by Type and Timescale

416 records

Records set or tied on 12 September 1966 by type: Highest daily maximum 34, Lowest daily maximum 70, Highest daily minimum 119, Lowest daily minimum 49, Heaviest daily rainfall 144.

Records on 12 September 1966 by type
Record type	Records
Highest daily maximum	34
Lowest daily maximum	70
Highest daily minimum	119
Lowest daily minimum	49
Heaviest daily rainfall	144
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1966 by timescale: all-time 0, monthly 6, daily 410.

How Much Records Were Beaten By

334 broken records

Margins by which the 334 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.7. Ties are not counted.

Top 20 by Significance

12 September 1966

Top 20 records on 12 September 1966 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1966	Nogales, US	daily rain	58.4 mm (2.3 in)	37.3 mm (1.5 in)	39 years	56 of 100 (Notable)
12 September 1966	Birmingham AP, US	daily rain	83.3 mm (3.3 in)	62.7 mm (2.5 in)	32 years	52 of 100 (Notable)
12 September 1966	Santo Antonio, BR	monthly rain	52.4 mm (2.1 in)	37.0 mm (1.5 in)	1 year	50 of 100 (Notable)
12 September 1966	Raevsky, RU	daily rain	36.9 mm (1.5 in)	27.5 mm (1.1 in)	20 years	49 of 100 (Notable)
12 September 1966	Ibicua, BR	monthly rain	39.2 mm (1.5 in)	12.2 mm (0.5 in)	34 years	47 of 100 (Notable)
12 September 1966	Tucson Magnetic Obsy, US	daily rain	39.4 mm (1.6 in)	34.3 mm (1.4 in)	4 years	46 of 100 (Notable)
12 September 1966	Khibiny, RU	daily rain	26.9 mm (1.1 in)	10.4 mm (0.4 in)	43 years	40 of 100 (Notable)
12 September 1966	Foxholm 7 N, US	daily high min	19.4 C (66.9 F)	6.6 C (11.9 F)	68 years	40 of 100 (Notable)
12 September 1966	Sulphur Springs, US	daily low max	21.1 C (70.0 F)	5.0 C (9.0 F)	71 years	39 of 100 (Notable)
12 September 1966	Manati 2 E, PR	daily high min	25.0 C (77.0 F)	1.7 C (3.1 F)	44 years	36 of 100 (Notable)
12 September 1966	Mehgawan, IN	daily rain	67.6 mm (2.7 in)	29.5 mm (1.2 in)	53 years	35 of 100 (Notable)
12 September 1966	Columbus 4 ESE, US	daily rain	42.4 mm (1.7 in)	22.1 mm (0.9 in)	40 years	35 of 100 (Notable)
12 September 1966	Robe Comparison, AU	daily high max	22.0 C (71.6 F)	1.0 C (1.8 F)	75 years	34 of 100 (Routine)
12 September 1966	Alhandra, BR	daily rain	48.5 mm (1.9 in)	20.1 mm (0.8 in)	11 years	34 of 100 (Routine)
12 September 1966	Minden, US	daily low max	23.9 C (75.0 F)	1.7 C (3.1 F)	71 years	32 of 100 (Routine)
12 September 1966	New Salem 5NW, US	daily high min	18.3 C (64.9 F)	2.2 C (4.0 F)	72 years	32 of 100 (Routine)
12 September 1966	Globe Rs, US	daily low max	23.3 C (73.9 F)	4.5 C (8.1 F)	39 years	31 of 100 (Routine)
12 September 1966	Marshall, US	daily low max	22.8 C (73.0 F)	1.6 C (2.9 F)	67 years	31 of 100 (Routine)
12 September 1966	Enisejsk, RU	daily high max	22.8 C (73.0 F)	1.0 C (1.8 F)	72 years	30 of 100 (Routine)
12 September 1966	Livingston, US	daily low max	23.3 C (73.9 F)	1.1 C (2.0 F)	68 years	30 of 100 (Routine)

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 416 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1966-09-12: 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 10	302
10 to 20	20
20 to 30	7
30 to 40	4
40 to 50	0
50 to 60	0
60 to 70	1