Weather Records on 20 September 1997

1,282 weather records were set or tied worldwide on 20 September 1997. Highest significance: Quambone (Carwell), AU.

Key Facts for 20 September 1997

On 20 September 1997, 1,282 weather records were set or tied at long-record stations worldwide.
474 were record highs and 262 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 30 monthly and 1,252 daily.
Quambone (Carwell) set a daily record precipitation of 56.0 mm (2.2 in) on 20 September 1997.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 437 records.

Record Map

1,282 stations

1,282 station records on 20 September 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Quambone (Carwell)	Australia	Record daily precipitation	56.0 mm (2.2 in)	74 of 100 (Major)
Condobolin (Borambil Park)	Australia	Record daily precipitation	47.0 mm (1.9 in)	68 of 100 (Major)
Pedernal 9 E	United States	Record daily precipitation	54.6 mm (2.1 in)	66 of 100 (Major)
Wauseon Wtp	United States	Record daily precipitation	71.1 mm (2.8 in)	64 of 100 (Major)
Cobar (Double Gates)	Australia	Record daily precipitation	37.0 mm (1.5 in)	62 of 100 (Major)
Binnaway (Hawthorne)	Australia	Record daily precipitation	61.0 mm (2.4 in)	62 of 100 (Major)
Condobolin Retirement Village	Australia	Record daily precipitation	44.0 mm (1.7 in)	61 of 100 (Major)
Gunnedah Pool	Australia	Record daily precipitation	45.0 mm (1.8 in)	60 of 100 (Major)
Steamboat Springs	United States	Record daily precipitation	44.7 mm (1.8 in)	59 of 100 (Notable)
West Wyalong (Tallimbalong)	Australia	Record daily precipitation	30.0 mm (1.2 in)	58 of 100 (Notable)
Yalgogrin North (Roloma)	Australia	Record daily precipitation	25.8 mm (1.0 in)	57 of 100 (Notable)
Pilliga (Nirvana)	Australia	Record daily precipitation	27.2 mm (1.1 in)	57 of 100 (Notable)
Gunnedah Resource Centre	Australia	Record daily precipitation	46.4 mm (1.8 in)	56 of 100 (Notable)
Meeker	United States	Record daily precipitation	32.3 mm (1.3 in)	56 of 100 (Notable)
Euabalong (Booberoi)	Australia	Record daily precipitation	33.0 mm (1.3 in)	55 of 100 (Notable)
Walden	United States	Record daily precipitation	34.5 mm (1.4 in)	55 of 100 (Notable)
Sandusky	United States	Record daily precipitation	68.6 mm (2.7 in)	55 of 100 (Notable)
Pine Ridge (Windy)	Australia	Record daily precipitation	37.0 mm (1.5 in)	54 of 100 (Notable)
Carrathool (Uardry)	Australia	Record daily precipitation	34.5 mm (1.4 in)	54 of 100 (Notable)
Spicer	United States	Record daily precipitation	40.6 mm (1.6 in)	53 of 100 (Notable)
Elyria 3 E	United States	Record daily precipitation	79.2 mm (3.1 in)	53 of 100 (Notable)
Cassilis (Dalkeith)	Australia	Record daily precipitation	32.8 mm (1.3 in)	52 of 100 (Notable)
Goolgowi (Moira St)	Australia	Record daily precipitation	34.0 mm (1.3 in)	52 of 100 (Notable)
Mullaley Post Office	Australia	Record daily precipitation	52.4 mm (2.1 in)	51 of 100 (Notable)
Burcher Post Office	Australia	Record daily precipitation	39.8 mm (1.6 in)	50 of 100 (Notable)
Hillgrove (Hillview)	Australia	Record daily precipitation	26.4 mm (1.0 in)	50 of 100 (Notable)
Gray (Craigie-Lea)	Australia	Record daily precipitation	101.6 mm (4.0 in)	50 of 100 (Notable)
Coles Bay (Freycinet)	Australia	Record daily precipitation	62.4 mm (2.5 in)	50 of 100 (Notable)
Curlewis (Pine Cliff)	Australia	Record daily precipitation	40.8 mm (1.6 in)	49 of 100 (Notable)
Winton (Nioka)	Australia	Record daily precipitation	40.8 mm (1.6 in)	49 of 100 (Notable)
Cassilis Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	49 of 100 (Notable)
Gladstone (Old Post Office)	Australia	Record daily precipitation	54.4 mm (2.1 in)	49 of 100 (Notable)
Strathyre	Australia	Record daily precipitation	43.0 mm (1.7 in)	48 of 100 (Notable)
Somerton (Glen Burn)	Australia	Record daily precipitation	40.0 mm (1.6 in)	48 of 100 (Notable)
Gilgandra (Wallumburrawang)	Australia	Record daily precipitation	42.8 mm (1.7 in)	48 of 100 (Notable)
Bogoroditskoye-Fenino	Russia	Record daily precipitation	29.5 mm (1.2 in)	48 of 100 (Notable)
Hayden	United States	Record daily precipitation	39.1 mm (1.5 in)	48 of 100 (Notable)
Elephant Butte Dam	United States	Record daily precipitation	42.4 mm (1.7 in)	48 of 100 (Notable)
Brigalow Park	Australia	Record daily precipitation	41.0 mm (1.6 in)	47 of 100 (Notable)
Tooraweenah (Denham St)	Australia	Record daily precipitation	42.0 mm (1.7 in)	47 of 100 (Notable)
Warroo (Geeron)	Australia	Record daily precipitation	33.6 mm (1.3 in)	46 of 100 (Notable)
Condobolin Ag Research STN	Australia	Record daily precipitation	29.6 mm (1.2 in)	46 of 100 (Notable)
Condobolin (Worrongorrah)	Australia	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Coonamble Comparison	Australia	Record daily precipitation	38.0 mm (1.5 in)	46 of 100 (Notable)
Curlewis Post Office	Australia	Record daily precipitation	37.0 mm (1.5 in)	46 of 100 (Notable)
Pine Ridge (Mooki Springs)	Australia	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Bumbaldry (Gold 'N' Grove)	Australia	Record daily precipitation	30.2 mm (1.2 in)	46 of 100 (Notable)
Groongal (Groongal Station)	Australia	Record daily precipitation	30.4 mm (1.2 in)	46 of 100 (Notable)
Ayutla	Mexico	Record low minimum temperature	15.0 C (59.0 F)	46 of 100 (Notable)
Spring Ridge	Australia	Record daily precipitation	41.0 mm (1.6 in)	45 of 100 (Notable)
Warral (Hillsia)	Australia	Record daily precipitation	42.6 mm (1.7 in)	45 of 100 (Notable)
Lake Cargelligo Airport	Australia	Record daily precipitation	27.0 mm (1.1 in)	45 of 100 (Notable)
Tumbala (Cfe)	Mexico	Record low minimum temperature	8.9 C (48.0 F)	45 of 100 (Notable)
Ft Yates 4 SW	United States	Record low minimum temperature	-6.1 C (21.0 F)	45 of 100 (Notable)
Yenda (Henry Street)	Australia	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Ostas I Hegra	Norway	Record daily precipitation	35.1 mm (1.4 in)	44 of 100 (Notable)
Mancos 1SW	United States	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Hiram	United States	Record daily precipitation	48.3 mm (1.9 in)	44 of 100 (Notable)
Beau Maison	Australia	Record daily precipitation	52.6 mm (2.1 in)	43 of 100 (Notable)
Armidale (Belhaven)	Australia	Record daily precipitation	37.5 mm (1.5 in)	43 of 100 (Notable)

Counts by Type and Timescale

1,282 records

Records set or tied on 20 September 1997 by type: Highest daily maximum 264, Lowest daily maximum 85, Highest daily minimum 210, Lowest daily minimum 177, Heaviest daily rainfall 546.

Records on 20 September 1997 by type
Record type	Records
Highest daily maximum	264
Lowest daily maximum	85
Highest daily minimum	210
Lowest daily minimum	177
Heaviest daily rainfall	546
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 September 1997 by timescale: all-time 0, monthly 30, daily 1,252.

How Much Records Were Beaten By

1,009 broken records

Margins by which the 1,009 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.4. Ties are not counted.

Top 20 by Significance

20 September 1997

Top 20 records on 20 September 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1997	Quambone (Carwell), AU	daily rain	56.0 mm (2.2 in)	45.8 mm (1.8 in)	82 years	74 of 100 (Major)
20 September 1997	Condobolin (Borambil Park), AU	daily rain	47.0 mm (1.9 in)	21.6 mm (0.9 in)	105 years	68 of 100 (Major)
20 September 1997	Pedernal 9 E, US	daily rain	54.6 mm (2.1 in)	36.3 mm (1.4 in)	68 years	66 of 100 (Major)
20 September 1997	Wauseon Wtp, US	daily rain	71.1 mm (2.8 in)	35.3 mm (1.4 in)	74 years	64 of 100 (Major)
20 September 1997	Cobar (Double Gates), AU	daily rain	37.0 mm (1.5 in)	21.8 mm (0.9 in)	82 years	62 of 100 (Major)
20 September 1997	Binnaway (Hawthorne), AU	daily rain	61.0 mm (2.4 in)	25.4 mm (1.0 in)	80 years	62 of 100 (Major)
20 September 1997	Condobolin Retirement Village, AU	daily rain	44.0 mm (1.7 in)	18.6 mm (0.7 in)	82 years	61 of 100 (Major)
20 September 1997	Gunnedah Pool, AU	daily rain	45.0 mm (1.8 in)	22.1 mm (0.9 in)	82 years	60 of 100 (Major)
20 September 1997	Steamboat Springs, US	daily rain	44.7 mm (1.8 in)	31.7 mm (1.2 in)	32 years	59 of 100 (Notable)
20 September 1997	West Wyalong (Tallimbalong), AU	daily rain	30.0 mm (1.2 in)	14.5 mm (0.6 in)	88 years	58 of 100 (Notable)
20 September 1997	Yalgogrin North (Roloma), AU	daily rain	25.8 mm (1.0 in)	14.6 mm (0.6 in)	88 years	57 of 100 (Notable)
20 September 1997	Pilliga (Nirvana), AU	daily rain	27.2 mm (1.1 in)	19.1 mm (0.8 in)	96 years	57 of 100 (Notable)
20 September 1997	Gunnedah Resource Centre, AU	daily rain	46.4 mm (1.8 in)	32.7 mm (1.3 in)	38 years	56 of 100 (Notable)
20 September 1997	Meeker, US	daily rain	32.3 mm (1.3 in)	24.4 mm (1.0 in)	42 years	56 of 100 (Notable)
20 September 1997	Euabalong (Booberoi), AU	daily rain	33.0 mm (1.3 in)	12.2 mm (0.5 in)	105 years	55 of 100 (Notable)
20 September 1997	Walden, US	daily rain	34.5 mm (1.4 in)	21.8 mm (0.9 in)	16 years	55 of 100 (Notable)
20 September 1997	Sandusky, US	daily rain	68.6 mm (2.7 in)	50.8 mm (2.0 in)	31 years	55 of 100 (Notable)
20 September 1997	Pine Ridge (Windy), AU	daily rain	37.0 mm (1.5 in)	17.2 mm (0.7 in)	82 years	54 of 100 (Notable)
20 September 1997	Carrathool (Uardry), AU	daily rain	34.5 mm (1.4 in)	22.8 mm (0.9 in)	40 years	54 of 100 (Notable)
20 September 1997	Spicer, US	daily rain	40.6 mm (1.6 in)	29.7 mm (1.2 in)	16 years	53 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 1997

Records set or tied on this calendar date in each year from 1812 to 1997. 1997 had 1,282 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1997-09-20: 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	942
20 to 40	61
40 to 60	5
60 to 80	0
80 to 100	1