Weather Records on 10 September 1985

1,140 weather records were set or tied worldwide on 10 September 1985. Highest significance: Penneshaw, AU.

Key Facts for 10 September 1985

On 10 September 1985, 1,140 weather records were set or tied at long-record stations worldwide.
204 were record highs and 596 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 27 monthly and 1,112 daily.
Penneshaw set a daily record precipitation of 32.8 mm (1.3 in) on 10 September 1985.
Across 166 earlier years (1812 to 2026) the same calendar date averaged 424 records.

Record Map

1,140 stations

1,140 station records on 10 September 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 September 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Penneshaw	Australia	Record daily precipitation	32.8 mm (1.3 in)	66 of 100 (Major)
Riverton	Australia	Record daily precipitation	42.4 mm (1.7 in)	66 of 100 (Major)
Stockwell	Australia	Record daily precipitation	26.0 mm (1.0 in)	62 of 100 (Major)
Saddleworth	Australia	Record daily precipitation	34.4 mm (1.4 in)	60 of 100 (Major)
Twin Lakes	United States	Record daily snowfall	17.8 cm (7.0 in)	60 of 100 (Major)
Gawler Council Depot	Australia	Record daily precipitation	32.0 mm (1.3 in)	56 of 100 (Notable)
American River	Australia	Record daily precipitation	25.0 mm (1.0 in)	55 of 100 (Notable)
Greenock	Australia	Record daily precipitation	34.8 mm (1.4 in)	55 of 100 (Notable)
Marrabel	Australia	Record daily precipitation	38.0 mm (1.5 in)	55 of 100 (Notable)
Nizhny-Chir	Russia	Record daily precipitation	26.9 mm (1.1 in)	54 of 100 (Notable)
Auburn	Australia	Record daily precipitation	38.2 mm (1.5 in)	53 of 100 (Notable)
Goolwa Council Depot	Australia	Record daily precipitation	28.4 mm (1.1 in)	53 of 100 (Notable)
Kapunda	Australia	Record daily precipitation	45.0 mm (1.8 in)	51 of 100 (Notable)
Coromandel Valley (Branden)	Australia	Record daily precipitation	45.8 mm (1.8 in)	51 of 100 (Notable)
Liberty 1 NE	United States	Record daily precipitation	54.4 mm (2.1 in)	51 of 100 (Notable)
Mount Compass	Australia	Record daily precipitation	44.1 mm (1.7 in)	50 of 100 (Notable)
Myponga	Australia	Record daily precipitation	37.4 mm (1.5 in)	50 of 100 (Notable)
Bowman Dam	United States	Record daily snowfall	7.6 cm (3.0 in)	50 of 100 (Notable)
Paskenta Rs	United States	Record daily precipitation	40.9 mm (1.6 in)	50 of 100 (Notable)
Roseworthy	Australia	Record daily precipitation	33.2 mm (1.3 in)	49 of 100 (Notable)
Nuriootpa	Australia	Record daily precipitation	25.8 mm (1.0 in)	49 of 100 (Notable)
Highmarket 2W	United States	Record daily precipitation	85.1 mm (3.4 in)	49 of 100 (Notable)
Belair (State Flora Nursery)	Australia	Record daily precipitation	46.0 mm (1.8 in)	48 of 100 (Notable)
Meade	United States	Record daily precipitation	36.8 mm (1.4 in)	48 of 100 (Notable)
Roseworthy Agric College	Australia	Record daily precipitation	29.0 mm (1.1 in)	47 of 100 (Notable)
Manoora	Australia	Record daily precipitation	31.0 mm (1.2 in)	47 of 100 (Notable)
Rosedale (Turretfield Research	Australia	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Maribyrnong Explosives Factory	Australia	Record daily precipitation	37.0 mm (1.5 in)	47 of 100 (Notable)
McLaren Vale	Australia	Record daily precipitation	26.8 mm (1.1 in)	46 of 100 (Notable)
Helvecia (Efbm)	Brazil	Record daily precipitation	68.9 mm (2.7 in)	46 of 100 (Notable)
Smithfield	Australia	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Yankalilla (Inman Valley)	Australia	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Finniss	Australia	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Emmett 2 E	United States	Record low maximum temperature	12.8 C (55.0 F)	44 of 100 (Notable)
Adelaide (Glen Osmond)	Australia	Record daily precipitation	39.0 mm (1.5 in)	43 of 100 (Notable)
Hamley Bridge	Australia	Record daily precipitation	33.6 mm (1.3 in)	43 of 100 (Notable)
Tanunda	Australia	Record daily precipitation	26.8 mm (1.1 in)	43 of 100 (Notable)
Babuskin	Russia	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Auburn	United States	Record daily precipitation	26.2 mm (1.0 in)	43 of 100 (Notable)
State College	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Clarendon	Australia	Record daily precipitation	43.0 mm (1.7 in)	42 of 100 (Notable)
Tejon Rancho	United States	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Adelaide (Unley)	Australia	Record daily precipitation	34.6 mm (1.4 in)	41 of 100 (Notable)
Lyndoch	Australia	Record daily precipitation	29.8 mm (1.2 in)	41 of 100 (Notable)
Stockport	Australia	Record daily precipitation	39.2 mm (1.5 in)	41 of 100 (Notable)
Fazenda Jucuruaba	Brazil	Record daily precipitation	80.5 mm (3.2 in)	41 of 100 (Notable)
Kabansk	Russia	Record daily precipitation	36.7 mm (1.4 in)	41 of 100 (Notable)
Berkeley	United States	Record low minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Crater Lake Nps HQ	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Hood Rvr Exp STN	United States	Record daily precipitation	28.4 mm (1.1 in)	41 of 100 (Notable)
Vancouver 4 NNE	United States	Record daily precipitation	28.2 mm (1.1 in)	41 of 100 (Notable)
Belair (Kalyra)	Australia	Record daily precipitation	41.5 mm (1.6 in)	40 of 100 (Notable)
Happy Valley Reservoir	Australia	Record daily precipitation	37.0 mm (1.5 in)	40 of 100 (Notable)
Adelaide (Tea Tree Gully Counc	Australia	Record daily precipitation	32.2 mm (1.3 in)	40 of 100 (Notable)
Wilson 4 S	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Cherry Gardens	Australia	Record daily precipitation	48.6 mm (1.9 in)	39 of 100 (Notable)
Uraidla	Australia	Record daily precipitation	37.0 mm (1.5 in)	39 of 100 (Notable)
Idaho City	United States	Record low maximum temperature	9.4 C (48.9 F)	39 of 100 (Notable)
Roxboro 7 ESE	United States	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Pine Bluffs	United States	Record daily precipitation	30.2 mm (1.2 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,140 records

Records set or tied on 10 September 1985 by type: Highest daily maximum 89, Lowest daily maximum 274, Highest daily minimum 115, Lowest daily minimum 322, Heaviest daily rainfall 336, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 10 September 1985 by type
Record type	Records
Highest daily maximum	89
Lowest daily maximum	274
Highest daily minimum	115
Lowest daily minimum	322
Heaviest daily rainfall	336
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 10 September 1985 by timescale: all-time 1, monthly 27, daily 1,112.

How Much Records Were Beaten By

942 broken records

Margins by which the 942 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

10 September 1985

Top 20 records on 10 September 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 September 1985	Penneshaw, AU	daily rain	32.8 mm (1.3 in)	25.2 mm (1.0 in)	64 years	66 of 100 (Major)
10 September 1985	Riverton, AU	daily rain	42.4 mm (1.7 in)	17.0 mm (0.7 in)	95 years	66 of 100 (Major)
10 September 1985	Stockwell, AU	daily rain	26.0 mm (1.0 in)	13.3 mm (0.5 in)	95 years	62 of 100 (Major)
10 September 1985	Saddleworth, AU	daily rain	34.4 mm (1.4 in)	14.1 mm (0.6 in)	85 years	60 of 100 (Major)
10 September 1985	Twin Lakes, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	64 years	60 of 100 (Major)
10 September 1985	Gawler Council Depot, AU	monthly rain	32.0 mm (1.3 in)	3.3 mm (0.13 in)	100 years	56 of 100 (Notable)
10 September 1985	American River, AU	daily rain	25.0 mm (1.0 in)	13.1 mm (0.5 in)	64 years	55 of 100 (Notable)
10 September 1985	Greenock, AU	daily rain	34.8 mm (1.4 in)	11.9 mm (0.5 in)	85 years	55 of 100 (Notable)
10 September 1985	Marrabel, AU	daily rain	38.0 mm (1.5 in)	10.8 mm (0.4 in)	95 years	55 of 100 (Notable)
10 September 1985	Nizhny-Chir, RU	daily rain	26.9 mm (1.1 in)	24.7 mm (1.0 in)	40 years	54 of 100 (Notable)
10 September 1985	Auburn, AU	daily rain	38.2 mm (1.5 in)	13.6 mm (0.5 in)	75 years	53 of 100 (Notable)
10 September 1985	Goolwa Council Depot, AU	daily rain	28.4 mm (1.1 in)	9.6 mm (0.38 in)	75 years	53 of 100 (Notable)
10 September 1985	Kapunda, AU	monthly rain	45.0 mm (1.8 in)	5.6 mm (0.22 in)	71 years	51 of 100 (Notable)
10 September 1985	Coromandel Valley (Branden), AU	daily rain	45.8 mm (1.8 in)	12.3 mm (0.5 in)	75 years	51 of 100 (Notable)
10 September 1985	Liberty 1 NE, US	daily rain	54.4 mm (2.1 in)	29.0 mm (1.1 in)	76 years	51 of 100 (Notable)
10 September 1985	Mount Compass, AU	daily rain	44.1 mm (1.7 in)	31.7 mm (1.2 in)	14 years	50 of 100 (Notable)
10 September 1985	Myponga, AU	daily rain	37.4 mm (1.5 in)	25.2 mm (1.0 in)	27 years	50 of 100 (Notable)
10 September 1985	Bowman Dam, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	88 years	50 of 100 (Notable)
10 September 1985	Paskenta Rs, US	daily rain	40.9 mm (1.6 in)	38.6 mm (1.5 in)	32 years	50 of 100 (Notable)
10 September 1985	Roseworthy, AU	daily rain	33.2 mm (1.3 in)	12.4 mm (0.5 in)	44 years	49 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

1812 to 1985

Records set or tied on this calendar date in each year from 1812 to 1985. 1985 had 1,140 records.

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

Records on 09-10 in each year
Year	Records
1812	1
1813	1
1814	2
1818	1
1838	2
1841	1
1846	1
1847	1
1848	1
1850	2
1854	3
1857	1
1858	1
1865	5
1868	1
1869	2
1871	1
1874	2
1875	1
1876	2
1878	1
1879	2
1880	3
1881	2
1883	3
1884	4
1885	2
1886	1
1887	1
1888	2
1889	3
1890	1
1891	3
1892	3
1893	2
1894	4
1895	3
1896	1
1897	7
1898	4
1899	10
1901	1
1902	10
1903	13
1904	5
1905	7
1906	23
1907	15
1908	15
1909	25
1910	26
1911	8
1912	62
1913	24
1914	43
1915	53
1916	15
1917	79
1918	33
1919	42
1920	132
1921	207
1922	78
1923	38
1924	335
1925	197
1926	68
1927	262
1928	109
1929	282
1930	161
1931	724
1932	258
1933	333
1934	247
1935	478
1936	336
1937	376
1938	369
1939	386
1940	410
1941	389
1942	271
1943	352
1944	470
1945	334
1946	295
1947	534
1948	432
1949	793
1950	394
1951	344
1952	476
1953	250
1954	271
1955	376
1956	834
1957	332
1958	435
1959	670
1960	376
1961	459
1962	798
1963	384
1964	710
1965	355
1966	330
1967	512
1968	846
1969	635
1970	582
1971	400
1972	477
1973	559
1974	522
1975	528
1976	1,041
1977	391
1978	883
1979	563
1980	716
1981	629
1982	687
1983	1,329
1984	824
1985	1,140
1986	960
1987	574
1988	783
1989	1,098
1990	782
1991	827
1992	745
1993	936
1994	816
1995	643
1996	1,003
1997	829
1998	1,832
1999	1,068
2000	1,088
2001	1,129
2002	1,298
2003	1,149
2004	652
2005	1,173
2006	1,110
2007	866
2008	975
2009	636
2010	1,273
2011	1,235
2012	793
2013	1,198
2014	894
2015	789
2016	1,085
2017	674
2018	1,030
2019	816
2020	2,105
2021	1,311
2022	633
2023	1,114
2024	933
2025	583
2026	832

Download the Data

Data for records on 1985-09-10: 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	913
25 to 50	23
50 to 75	2
75 to 100	1
100 to 125	1
125 to 150	1
150 to 175	0
175 to 200	1