Weather Records on 11 September 1976

920 weather records were set or tied worldwide on 11 September 1976. Highest significance: Durham, GB.

Key Facts for 11 September 1976

On 11 September 1976, 920 weather records were set or tied at long-record stations worldwide.
105 were record highs and 468 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 48 monthly and 868 daily.
Durham set an all-time record daily precipitation of 87.8 mm (3.5 in) on 11 September 1976.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 420 records.

Record Map

920 stations

920 station records on 11 September 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Durham	United Kingdom	Record daily precipitation	87.8 mm (3.5 in)	79 of 100 (Major)
Glendora Fc 287B	United States	Record daily precipitation	28.4 mm (1.1 in)	72 of 100 (Major)
Santa Barbara	United States	Record daily precipitation	48.3 mm (1.9 in)	72 of 100 (Major)
Ventura	United States	Record daily precipitation	36.8 mm (1.4 in)	69 of 100 (Major)
Haiwee	United States	Record daily precipitation	40.4 mm (1.6 in)	68 of 100 (Major)
Fairmont	United States	Record daily precipitation	87.4 mm (3.4 in)	67 of 100 (Major)
Hailey 3 NNW	United States	Record daily precipitation	37.8 mm (1.5 in)	67 of 100 (Major)
Rye Patch Dam	United States	Record daily precipitation	35.1 mm (1.4 in)	65 of 100 (Major)
Maricopa	United States	Record daily precipitation	30.7 mm (1.2 in)	64 of 100 (Major)
Santa Paula	United States	Record daily precipitation	39.4 mm (1.6 in)	64 of 100 (Major)
Snow Creek Upper	United States	Record daily precipitation	138.4 mm (5.4 in)	64 of 100 (Major)
Dry Canyon Rsvr	United States	Record daily precipitation	43.7 mm (1.7 in)	61 of 100 (Major)
Altadena	United States	Record daily precipitation	71.4 mm (2.8 in)	60 of 100 (Major)
Searchlight	United States	Record daily precipitation	81.3 mm (3.2 in)	60 of 100 (Major)
Boise Air Terminal	United States	Record daily precipitation	43.9 mm (1.7 in)	60 of 100 (Major)
Pomona/Fairplex	United States	Record daily precipitation	53.6 mm (2.1 in)	59 of 100 (Notable)
Cuyamaca	United States	Record daily precipitation	123.4 mm (4.9 in)	58 of 100 (Notable)
Idria	United States	Record daily precipitation	28.7 mm (1.1 in)	58 of 100 (Notable)
Mecca Fire STN	United States	Record daily precipitation	101.6 mm (4.0 in)	58 of 100 (Notable)
Priest Valley	United States	Record daily precipitation	27.9 mm (1.1 in)	58 of 100 (Notable)
Pasadena	United States	Record daily precipitation	54.9 mm (2.2 in)	57 of 100 (Notable)
Henshaw Dam	United States	Record daily precipitation	86.1 mm (3.4 in)	56 of 100 (Notable)
Independence	United States	Record daily precipitation	34.3 mm (1.4 in)	56 of 100 (Notable)
Ridder	Kazakhstan	Record daily precipitation	42.7 mm (1.7 in)	55 of 100 (Notable)
Grant Grove	United States	Record daily precipitation	79.0 mm (3.1 in)	55 of 100 (Notable)
N Fk Rs	United States	Record daily precipitation	48.8 mm (1.9 in)	55 of 100 (Notable)
Pacoima Dam Fc33A-E	United States	Record daily precipitation	56.1 mm (2.2 in)	55 of 100 (Notable)
Big Tujunga Dam Fc46	United States	Record daily precipitation	81.0 mm (3.2 in)	54 of 100 (Notable)
La Crescenta Fc251 C	United States	Record daily precipitation	64.5 mm (2.5 in)	54 of 100 (Notable)
Huntington Lake	United States	Record daily precipitation	83.8 mm (3.3 in)	53 of 100 (Notable)
Lake Arrowhead	United States	Record daily precipitation	141.7 mm (5.6 in)	53 of 100 (Notable)
Pattiway	United States	Record daily precipitation	35.6 mm (1.4 in)	53 of 100 (Notable)
San Gabriel Canyon Ph	United States	Record daily precipitation	55.4 mm (2.2 in)	53 of 100 (Notable)
Arco	United States	Record daily precipitation	30.5 mm (1.2 in)	53 of 100 (Notable)
San Jacinto	United States	Record daily precipitation	38.6 mm (1.5 in)	52 of 100 (Notable)
Escondido	United States	Record daily precipitation	26.9 mm (1.1 in)	51 of 100 (Notable)
Represa	United States	Record daily precipitation	33.8 mm (1.3 in)	51 of 100 (Notable)
Boulder City	United States	Record daily precipitation	66.5 mm (2.6 in)	51 of 100 (Notable)
Big Pines Park Fc83B	United States	Record daily precipitation	86.4 mm (3.4 in)	49 of 100 (Notable)
Palomar Mtn Obsy	United States	Record daily precipitation	127.0 mm (5.0 in)	49 of 100 (Notable)
San Luis Obispo Poly	United States	Record daily precipitation	42.7 mm (1.7 in)	49 of 100 (Notable)
Trona	United States	Record daily precipitation	35.6 mm (1.4 in)	49 of 100 (Notable)
Emmett 2 E	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Pioche	United States	Record daily precipitation	37.3 mm (1.5 in)	48 of 100 (Notable)
Auberry 2 NW	United States	Record daily precipitation	35.1 mm (1.4 in)	47 of 100 (Notable)
Auburn	United States	Record daily precipitation	31.5 mm (1.2 in)	47 of 100 (Notable)
Ruby Lake Nwr	United States	Record daily precipitation	37.3 mm (1.5 in)	47 of 100 (Notable)
Turinsk	Russia	Record daily precipitation	51.5 mm (2.0 in)	46 of 100 (Notable)
Saugus Pwr Plt 1	United States	Record daily precipitation	49.5 mm (1.9 in)	45 of 100 (Notable)
Tustin Irvine Rch	United States	Record daily precipitation	26.2 mm (1.0 in)	45 of 100 (Notable)
Grouse	United States	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Barrett Dam	United States	Record daily precipitation	41.9 mm (1.6 in)	44 of 100 (Notable)
Los Alamos	United States	Record daily precipitation	58.9 mm (2.3 in)	44 of 100 (Notable)
Victorville	United States	Record daily precipitation	59.2 mm (2.3 in)	44 of 100 (Notable)
Ash Mtn	United States	Record daily precipitation	40.1 mm (1.6 in)	42 of 100 (Notable)
Indio Fire STN	United States	Record low maximum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Iowa Hill	United States	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Placerville	United States	Record daily precipitation	40.4 mm (1.6 in)	42 of 100 (Notable)
San Gabriel Fire Dept	United States	Record daily precipitation	52.8 mm (2.1 in)	42 of 100 (Notable)
Ojai	United States	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)

Counts by Type and Timescale

920 records

Records set or tied on 11 September 1976 by type: Highest daily maximum 43, Lowest daily maximum 153, Highest daily minimum 62, Lowest daily minimum 315, Heaviest daily rainfall 345, Deepest snow cover 2.

Records on 11 September 1976 by type
Record type	Records
Highest daily maximum	43
Lowest daily maximum	153
Highest daily minimum	62
Lowest daily minimum	315
Heaviest daily rainfall	345
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 11 September 1976 by timescale: all-time 4, monthly 48, daily 868.

How Much Records Were Beaten By

722 broken records

Margins by which the 722 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.0. Ties are not counted.

Top 20 by Significance

11 September 1976

Top 20 records on 11 September 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1976	Durham, GB	all-time rain	87.8 mm (3.5 in)	15.0 mm (0.6 in)	74 years	79 of 100 (Major)
11 September 1976	Glendora Fc 287B, US	daily rain	28.4 mm (1.1 in)	28.4 mm (1.1 in)	80 years	72 of 100 (Major)
11 September 1976	Santa Barbara, US	daily rain	48.3 mm (1.9 in)	48.3 mm (1.9 in)	82 years	72 of 100 (Major)
11 September 1976	Ventura, US	daily rain	36.8 mm (1.4 in)	36.8 mm (1.4 in)	76 years	69 of 100 (Major)
11 September 1976	Haiwee, US	monthly rain	40.4 mm (1.6 in)	23.6 mm (0.9 in)	45 years	68 of 100 (Major)
11 September 1976	Fairmont, US	monthly rain	87.4 mm (3.4 in)	52.6 mm (2.1 in)	36 years	67 of 100 (Major)
11 September 1976	Hailey 3 NNW, US	daily rain	37.8 mm (1.5 in)	29.4 mm (1.2 in)	64 years	67 of 100 (Major)
11 September 1976	Rye Patch Dam, US	monthly rain	35.1 mm (1.4 in)	16.3 mm (0.6 in)	36 years	65 of 100 (Major)
11 September 1976	Maricopa, US	daily rain	30.7 mm (1.2 in)	29.7 mm (1.2 in)	61 years	64 of 100 (Major)
11 September 1976	Santa Paula, US	daily rain	39.4 mm (1.6 in)	39.4 mm (1.6 in)	81 years	64 of 100 (Major)
11 September 1976	Snow Creek Upper, US	monthly rain	138.4 mm (5.4 in)	95.0 mm (3.7 in)	36 years	64 of 100 (Major)
11 September 1976	Dry Canyon Rsvr, US	daily rain	43.7 mm (1.7 in)	43.7 mm (1.7 in)	54 years	61 of 100 (Major)
11 September 1976	Altadena, US	daily rain	71.4 mm (2.8 in)	70.6 mm (2.8 in)	53 years	60 of 100 (Major)
11 September 1976	Searchlight, US	daily rain	81.3 mm (3.2 in)	71.1 mm (2.8 in)	49 years	60 of 100 (Major)
11 September 1976	Boise Air Terminal, US	monthly rain	43.9 mm (1.7 in)	24.8 mm (1.0 in)	26 years	60 of 100 (Major)
11 September 1976	Pomona/Fairplex, US	daily rain	53.6 mm (2.1 in)	49.0 mm (1.9 in)	37 years	59 of 100 (Notable)
11 September 1976	Cuyamaca, US	monthly rain	123.4 mm (4.9 in)	41.9 mm (1.6 in)	46 years	58 of 100 (Notable)
11 September 1976	Idria, US	daily rain	28.7 mm (1.1 in)	24.9 mm (1.0 in)	58 years	58 of 100 (Notable)
11 September 1976	Mecca Fire STN, US	all-time rain	101.6 mm (4.0 in)	23.6 mm (0.9 in)	35 years	58 of 100 (Notable)
11 September 1976	Priest Valley, US	daily rain	27.9 mm (1.1 in)	27.9 mm (1.1 in)	72 years	58 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

1809 to 1976

Records set or tied on this calendar date in each year from 1809 to 1976. 1976 had 920 records.

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

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 1976-09-11: 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 20	646
20 to 40	55
40 to 60	15
60 to 80	5
80 to 100	1