Weather Records on 11 September 1985

844 weather records were set or tied worldwide on 11 September 1985. Highest significance: Bridgeport, US.

Key Facts for 11 September 1985

On 11 September 1985, 844 weather records were set or tied at long-record stations worldwide.
157 were record highs and 375 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 827 daily.
Bridgeport set a monthly record daily snowfall of 20.3 cm (8.0 in) on 11 September 1985.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 421 records.

Record Map

844 stations

844 station records on 11 September 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bridgeport	United States	Record daily snowfall	20.3 cm (8.0 in)	69 of 100 (Major)
Bridgeport	United States	Record daily precipitation	52.3 mm (2.1 in)	64 of 100 (Major)
Lakin	United States	Record daily precipitation	67.3 mm (2.6 in)	63 of 100 (Major)
Galena	United States	Record daily precipitation	68.6 mm (2.7 in)	61 of 100 (Major)
Stonington	United States	Record daily precipitation	93.0 mm (3.7 in)	58 of 100 (Notable)
American Falls 6 NE	United States	Record daily precipitation	29.0 mm (1.1 in)	56 of 100 (Notable)
Dalhart FAA AP	United States	Record daily precipitation	86.1 mm (3.4 in)	55 of 100 (Notable)
Alpine	United States	Record daily precipitation	30.2 mm (1.2 in)	54 of 100 (Notable)
The Rock Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	50 of 100 (Notable)
Maxwell 3 NW	United States	Record daily precipitation	35.3 mm (1.4 in)	47 of 100 (Notable)
Flemington Racecourse	Australia	Record daily precipitation	29.0 mm (1.1 in)	46 of 100 (Notable)
Brest	Belarus	Record daily precipitation	30.9 mm (1.2 in)	45 of 100 (Notable)
Wilhelmina Rise 721	United States	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Brays Creek (Misty Mountain)	Australia	Record daily precipitation	35.0 mm (1.4 in)	44 of 100 (Notable)
Phuket	Thailand	Record daily precipitation	132.8 mm (5.2 in)	44 of 100 (Notable)
Tulbagh (Pol)	South Africa	Record daily precipitation	26.5 mm (1.0 in)	43 of 100 (Notable)
Yerington	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Conlen	United States	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Urana (Nowranie)	Australia	Record daily precipitation	41.4 mm (1.6 in)	42 of 100 (Notable)
Vale	United States	Record low maximum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Chatsbury (Maryland)	Australia	Record daily precipitation	26.0 mm (1.0 in)	41 of 100 (Notable)
Amistad 5 SSW	United States	Record daily precipitation	32.5 mm (1.3 in)	41 of 100 (Notable)
Wagga Wagga Research Centre	Australia	Record daily precipitation	55.8 mm (2.2 in)	40 of 100 (Notable)
Wagga Wagga AMO	Australia	Record daily precipitation	30.2 mm (1.2 in)	39 of 100 (Notable)
Raipur	India	Record daily precipitation	120.9 mm (4.8 in)	39 of 100 (Notable)
Bunker Hill	United States	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Mecca Fire STN	United States	Record low maximum temperature	32.2 C (90.0 F)	37 of 100 (Notable)
Timpanogos Cave	United States	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Amarillo	United States	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Tocumwal Airport	Australia	Record daily precipitation	33.6 mm (1.3 in)	36 of 100 (Notable)
Richfield	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Tower 2S	United States	Record low minimum temperature	-3.9 C (25.0 F)	36 of 100 (Notable)
Romney 1 SW	United States	Record high minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Dwtn Charleston	United States	Record high maximum temperature	36.7 C (98.1 F)	36 of 100 (Notable)
Canowindra (Canowindra Street)	Australia	Record daily precipitation	27.6 mm (1.1 in)	35 of 100 (Notable)
Nara	Japan	Record daily precipitation	73.0 mm (2.9 in)	35 of 100 (Notable)
Berkeley	United States	Record low minimum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Orland	United States	Record low minimum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Grand View 4 NW	United States	Record low maximum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Hartley 4 ESE	United States	Record daily precipitation	39.6 mm (1.6 in)	35 of 100 (Notable)
Menard	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Flagstaff AP	United States	Record daily precipitation	50.0 mm (2.0 in)	35 of 100 (Notable)
Hatteras	United States	Record high minimum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Hanksville	United States	Record low maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Bodie California St Historic P	United States	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Delano	United States	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Burwell 2WSW	United States	Record daily precipitation	36.1 mm (1.4 in)	34 of 100 (Routine)
Carawatha	Australia	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Tyalgum (Coodgee Street)	Australia	Record daily precipitation	32.2 mm (1.3 in)	33 of 100 (Routine)
Ajo	United States	Record low minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Mono Lake	United States	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Tiger Creek Ph	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Lake City	United States	Record low minimum temperature	-2.8 C (27.0 F)	33 of 100 (Routine)
Caldwell	United States	Record low maximum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Finley Post Office	Australia	Record daily precipitation	32.4 mm (1.3 in)	32 of 100 (Routine)
Lees Ferry	United States	Record low minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Maunabo	Puerto Rico [United States]	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Tejon Rancho	United States	Record low maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
Jerilderie Treatment Works	Australia	Record daily precipitation	38.8 mm (1.5 in)	30 of 100 (Routine)
Yongan	China	Record daily precipitation	74.4 mm (2.9 in)	30 of 100 (Routine)

Counts by Type and Timescale

844 records

Records set or tied on 11 September 1985 by type: Highest daily maximum 61, Lowest daily maximum 218, Highest daily minimum 96, Lowest daily minimum 157, Heaviest daily rainfall 305, Heaviest daily snowfall 6, Deepest snow cover 1.

Records on 11 September 1985 by type
Record type	Records
Highest daily maximum	61
Lowest daily maximum	218
Highest daily minimum	96
Lowest daily minimum	157
Heaviest daily rainfall	305
Heaviest daily snowfall	6
Deepest snow cover	1

Records on 11 September 1985 by timescale: all-time 0, monthly 17, daily 827.

How Much Records Were Beaten By

659 broken records

Margins by which the 659 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

11 September 1985

Top 20 records on 11 September 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1985	Bridgeport, US	monthly snowfall	20.3 cm (8.0 in)	17.8 cm (7.0 in)	53 years	69 of 100 (Major)
11 September 1985	Bridgeport, US	monthly rain	52.3 mm (2.1 in)	27.7 mm (1.1 in)	22 years	64 of 100 (Major)
11 September 1985	Lakin, US	daily rain	67.3 mm (2.6 in)	38.1 mm (1.5 in)	60 years	63 of 100 (Major)
11 September 1985	Galena, US	daily rain	68.6 mm (2.7 in)	41.9 mm (1.6 in)	84 years	61 of 100 (Major)
11 September 1985	Stonington, US	monthly rain	93.0 mm (3.7 in)	42.2 mm (1.7 in)	19 years	58 of 100 (Notable)
11 September 1985	American Falls 6 NE, US	daily rain	29.0 mm (1.1 in)	14.8 mm (0.6 in)	74 years	56 of 100 (Notable)
11 September 1985	Dalhart FAA AP, US	monthly rain	86.1 mm (3.4 in)	46.7 mm (1.8 in)	8 years	55 of 100 (Notable)
11 September 1985	Alpine, US	daily rain	30.2 mm (1.2 in)	21.1 mm (0.8 in)	70 years	54 of 100 (Notable)
11 September 1985	The Rock Post Office, AU	daily rain	46.2 mm (1.8 in)	25.4 mm (1.0 in)	20 years	50 of 100 (Notable)
11 September 1985	Maxwell 3 NW, US	daily rain	35.3 mm (1.4 in)	21.1 mm (0.8 in)	72 years	47 of 100 (Notable)
11 September 1985	Flemington Racecourse, AU	daily rain	29.0 mm (1.1 in)	12.5 mm (0.5 in)	64 years	46 of 100 (Notable)
11 September 1985	Brest, BY	daily rain	30.9 mm (1.2 in)	20.3 mm (0.8 in)	28 years	45 of 100 (Notable)
11 September 1985	Wilhelmina Rise 721, US	daily rain	31.0 mm (1.2 in)	23.9 mm (0.9 in)	8 years	45 of 100 (Notable)
11 September 1985	Brays Creek (Misty Mountain), AU	daily rain	35.0 mm (1.4 in)	26.9 mm (1.1 in)	20 years	44 of 100 (Notable)
11 September 1985	Phuket, TH	daily rain	132.8 mm (5.2 in)	75.9 mm (3.0 in)	16 years	44 of 100 (Notable)
11 September 1985	Tulbagh (Pol), ZA	daily rain	26.5 mm (1.0 in)	5.7 mm (0.22 in)	91 years	43 of 100 (Notable)
11 September 1985	Yerington, US	daily rain	30.5 mm (1.2 in)	21.6 mm (0.9 in)	8 years	43 of 100 (Notable)
11 September 1985	Conlen, US	daily rain	47.0 mm (1.9 in)	32.3 mm (1.3 in)	24 years	43 of 100 (Notable)
11 September 1985	Urana (Nowranie), AU	daily rain	41.4 mm (1.6 in)	21.1 mm (0.8 in)	20 years	42 of 100 (Notable)
11 September 1985	Vale, US	daily low max	12.2 C (54.0 F)	3.9 C (7.0 F)	89 years	42 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 1985

Records set or tied on this calendar date in each year from 1809 to 1985. 1985 had 844 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 1985-09-11: 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 25	635
25 to 50	21
50 to 75	1
75 to 100	1
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1