Weather Records on 21 September 1985

796 weather records were set or tied worldwide on 21 September 1985. Highest significance: Calliope Station, AU.

Key Facts for 21 September 1985

On 21 September 1985, 796 weather records were set or tied at long-record stations worldwide.
203 were record highs and 272 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 779 daily.
Calliope Station set a daily record precipitation of 50.0 mm (2.0 in) on 21 September 1985.
Across 155 earlier years (1805 to 2026) the same calendar date averaged 449 records.

Record Map

796 stations

796 station records on 21 September 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 September 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Calliope Station	Australia	Record daily precipitation	50.0 mm (2.0 in)	69 of 100 (Major)
Madowla	Australia	Record daily precipitation	68.0 mm (2.7 in)	68 of 100 (Major)
Howard Post Office	Australia	Record daily precipitation	53.0 mm (2.1 in)	64 of 100 (Major)
Mt Hope	United States	Record daily precipitation	121.7 mm (4.8 in)	64 of 100 (Major)
Bundaberg Post Office	Australia	Record daily precipitation	48.7 mm (1.9 in)	58 of 100 (Notable)
Mtn Lake	United States	Record daily precipitation	114.6 mm (4.5 in)	56 of 100 (Notable)
Medicine Lodge	United States	Record daily precipitation	98.6 mm (3.9 in)	55 of 100 (Notable)
Newton	United States	Record daily precipitation	123.4 mm (4.9 in)	55 of 100 (Notable)
Bustard Head Lighthouse	Australia	Record daily precipitation	31.8 mm (1.3 in)	54 of 100 (Notable)
Maryborough	Australia	Record daily precipitation	53.6 mm (2.1 in)	54 of 100 (Notable)
Mungar Junction	Australia	Record daily precipitation	44.6 mm (1.8 in)	53 of 100 (Notable)
Tiaro	Australia	Record daily precipitation	42.8 mm (1.7 in)	53 of 100 (Notable)
Richland	United States	Record high minimum temperature	20.6 C (69.1 F)	52 of 100 (Notable)
Mount Kroombit	Australia	Record daily precipitation	39.0 mm (1.5 in)	51 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	47.6 mm (1.9 in)	50 of 100 (Notable)
The Cedars	Australia	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Calliope Post Office	Australia	Record daily precipitation	61.6 mm (2.4 in)	47 of 100 (Notable)
Eskridge	United States	Record daily precipitation	84.6 mm (3.3 in)	46 of 100 (Notable)
Annanvale	Australia	Record daily precipitation	44.0 mm (1.7 in)	44 of 100 (Notable)
Kalpowar Forestry	Australia	Record daily precipitation	51.4 mm (2.0 in)	44 of 100 (Notable)
Monto Township	Australia	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Telluride 4WNW	United States	Record daily snowfall	7.6 cm (3.0 in)	44 of 100 (Notable)
Sedgwick	United States	Record daily precipitation	91.4 mm (3.6 in)	44 of 100 (Notable)
Burnett Heads Niell St	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Woodward	United States	Record daily precipitation	90.7 mm (3.6 in)	42 of 100 (Notable)
Tuan Creek Forest STN	Australia	Record daily precipitation	39.5 mm (1.6 in)	41 of 100 (Notable)
Chatsbury (Maryland)	Australia	Record daily precipitation	42.4 mm (1.7 in)	40 of 100 (Notable)
Ulysses 3NE	United States	Record low maximum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Franklin	United States	Record low maximum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Superior	United States	Record low maximum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Walterhall	Australia	Record daily precipitation	38.8 mm (1.5 in)	39 of 100 (Notable)
Duckinwilla Creek	Australia	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Freedom	United States	Record daily precipitation	78.5 mm (3.1 in)	39 of 100 (Notable)
Plains	United States	Record daily precipitation	66.0 mm (2.6 in)	39 of 100 (Notable)
Bauple	Australia	Record daily precipitation	41.6 mm (1.6 in)	38 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	102.1 mm (4.0 in)	38 of 100 (Notable)
Kroombit	Australia	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Sao Manuel	Brazil	Record daily precipitation	74.3 mm (2.9 in)	37 of 100 (Notable)
Hoyt 2SE	United States	Record daily precipitation	96.0 mm (3.8 in)	37 of 100 (Notable)
Norwich	United States	Record low maximum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Callemondah Station	Australia	Record daily precipitation	90.0 mm (3.5 in)	36 of 100 (Notable)
Bargara	Australia	Record daily precipitation	32.6 mm (1.3 in)	36 of 100 (Notable)
Kiama Bowling Club	Australia	Record daily precipitation	28.6 mm (1.1 in)	36 of 100 (Notable)
Medicine Lodge	United States	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Columbus 3 NE	United States	Record low maximum temperature	12.8 C (55.0 F)	36 of 100 (Notable)
Minden	United States	Record low maximum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Goomboorian	Australia	Record daily precipitation	42.8 mm (1.7 in)	35 of 100 (Notable)
Osceola	United States	Record low maximum temperature	13.3 C (55.9 F)	35 of 100 (Notable)
Gothenburg	United States	Record low maximum temperature	11.1 C (52.0 F)	35 of 100 (Notable)
Kingfisher	United States	Record low maximum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Higgins	United States	Record daily precipitation	70.1 mm (2.8 in)	35 of 100 (Notable)
Sedro-Woolley	United States	Record low maximum temperature	11.1 C (52.0 F)	35 of 100 (Notable)
Isis Junction Railway STN	Australia	Record daily precipitation	61.6 mm (2.4 in)	34 of 100 (Routine)
Theebine	Australia	Record daily precipitation	25.0 mm (1.0 in)	34 of 100 (Routine)
El Dorado	United States	Record low maximum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Kingman	United States	Record daily precipitation	77.7 mm (3.1 in)	34 of 100 (Routine)
Newton	United States	Record low maximum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Pratt 3NW	United States	Record low maximum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Cambridge	United States	Record low maximum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Winfield	Australia	Record daily precipitation	49.4 mm (1.9 in)	33 of 100 (Routine)

Counts by Type and Timescale

796 records

Records set or tied on 21 September 1985 by type: Highest daily maximum 145, Lowest daily maximum 198, Highest daily minimum 58, Lowest daily minimum 74, Heaviest daily rainfall 314, Heaviest daily snowfall 6, Deepest snow cover 1.

Records on 21 September 1985 by type
Record type	Records
Highest daily maximum	145
Lowest daily maximum	198
Highest daily minimum	58
Lowest daily minimum	74
Heaviest daily rainfall	314
Heaviest daily snowfall	6
Deepest snow cover	1

Records on 21 September 1985 by timescale: all-time 0, monthly 17, daily 779.

How Much Records Were Beaten By

679 broken records

Margins by which the 679 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 81.6. Ties are not counted.

Top 20 by Significance

21 September 1985

Top 20 records on 21 September 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 September 1985	Calliope Station, AU	daily rain	50.0 mm (2.0 in)	44.9 mm (1.8 in)	72 years	69 of 100 (Major)
21 September 1985	Madowla, AU	daily rain	68.0 mm (2.7 in)	61.6 mm (2.4 in)	70 years	68 of 100 (Major)
21 September 1985	Howard Post Office, AU	daily rain	53.0 mm (2.1 in)	35.2 mm (1.4 in)	79 years	64 of 100 (Major)
21 September 1985	Mt Hope, US	daily rain	121.7 mm (4.8 in)	57.2 mm (2.3 in)	54 years	64 of 100 (Major)
21 September 1985	Bundaberg Post Office, AU	daily rain	48.7 mm (1.9 in)	25.3 mm (1.0 in)	94 years	58 of 100 (Notable)
21 September 1985	Mtn Lake, US	daily rain	114.6 mm (4.5 in)	81.6 mm (3.2 in)	36 years	56 of 100 (Notable)
21 September 1985	Medicine Lodge, US	daily rain	98.6 mm (3.9 in)	35.9 mm (1.4 in)	84 years	55 of 100 (Notable)
21 September 1985	Newton, US	daily rain	123.4 mm (4.9 in)	55.8 mm (2.2 in)	54 years	55 of 100 (Notable)
21 September 1985	Bustard Head Lighthouse, AU	daily rain	31.8 mm (1.3 in)	16.1 mm (0.6 in)	95 years	54 of 100 (Notable)
21 September 1985	Maryborough, AU	daily rain	53.6 mm (2.1 in)	17.5 mm (0.7 in)	87 years	54 of 100 (Notable)
21 September 1985	Mungar Junction, AU	daily rain	44.6 mm (1.8 in)	27.1 mm (1.1 in)	80 years	53 of 100 (Notable)
21 September 1985	Tiaro, AU	daily rain	42.8 mm (1.7 in)	22.2 mm (0.9 in)	80 years	53 of 100 (Notable)
21 September 1985	Richland, US	daily high min	20.6 C (69.1 F)	8.4 C (15.1 F)	75 years	52 of 100 (Notable)
21 September 1985	Mount Kroombit, AU	daily rain	39.0 mm (1.5 in)	38.0 mm (1.5 in)	28 years	51 of 100 (Notable)
21 September 1985	Milton Post Office, AU	daily rain	47.6 mm (1.9 in)	26.0 mm (1.0 in)	84 years	50 of 100 (Notable)
21 September 1985	The Cedars, AU	daily rain	44.5 mm (1.8 in)	23.4 mm (0.9 in)	70 years	48 of 100 (Notable)
21 September 1985	Calliope Post Office, AU	daily rain	61.6 mm (2.4 in)	55.8 mm (2.2 in)	3 years	47 of 100 (Notable)
21 September 1985	Eskridge, US	daily rain	84.6 mm (3.3 in)	36.3 mm (1.4 in)	54 years	46 of 100 (Notable)
21 September 1985	Annanvale, AU	daily rain	44.0 mm (1.7 in)	33.8 mm (1.3 in)	27 years	44 of 100 (Notable)
21 September 1985	Kalpowar Forestry, AU	daily rain	51.4 mm (2.0 in)	37.8 mm (1.5 in)	3 years	44 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

1805 to 1985

Records set or tied on this calendar date in each year from 1805 to 1985. 1985 had 796 records.

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

Records on 09-21 in each year
Year	Records
1805	1
1812	1
1825	2
1840	1
1841	1
1842	1
1848	1
1854	1
1856	2
1868	1
1872	2
1873	1
1877	1
1878	1
1881	1
1882	1
1884	1
1886	1
1888	2
1889	1
1891	10
1892	1
1893	10
1894	2
1895	3
1896	2
1897	6
1898	6
1899	3
1900	2
1901	5
1902	5
1903	8
1904	20
1905	12
1906	17
1907	10
1908	17
1909	10
1910	8
1911	18
1912	26
1913	37
1914	29
1915	34
1916	48
1917	28
1918	43
1919	54
1920	29
1921	64
1922	35
1923	232
1924	291
1925	278
1926	178
1927	165
1928	81
1929	232
1930	82
1931	681
1932	242
1933	193
1934	492
1935	199
1936	329
1937	487
1938	508
1939	308
1940	908
1941	416
1942	291
1943	407
1944	413
1945	507
1946	176
1947	534
1948	301
1949	298
1950	334
1951	241
1952	430
1953	382
1954	453
1955	752
1956	1,100
1957	366
1958	588
1959	513
1960	418
1961	441
1962	1,085
1963	306
1964	374
1965	1,088
1966	565
1967	577
1968	790
1969	593
1970	708
1971	645
1972	599
1973	421
1974	652
1975	528
1976	694
1977	918
1978	818
1979	736
1980	990
1981	696
1982	1,484
1983	2,207
1984	707
1985	796
1986	671
1987	965
1988	557
1989	1,002
1990	716
1991	1,021
1992	752
1993	911
1994	713
1995	2,002
1996	1,233
1997	1,112
1998	1,481
1999	1,025
2000	884
2001	718
2002	696
2003	959
2004	888
2005	1,143
2006	920
2007	742
2008	740
2009	715
2010	1,290
2011	542
2012	595
2013	769
2014	716
2015	565
2016	989
2017	1,178
2018	1,051
2019	833
2020	580
2021	465
2022	1,049
2023	783
2024	470
2025	588
2026	469

Download the Data

Data for records on 1985-09-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	619
20 to 40	49
40 to 60	8
60 to 80	2
80 to 100	1