Weather Records on 21 November 2009

1,131 weather records were set or tied worldwide on 21 November 2009. Highest significance: Woomera (Oakden Hills), AU.

Key Facts for 21 November 2009

On 21 November 2009, 1,131 weather records were set or tied at long-record stations worldwide.
822 were record highs and 112 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 1,106 daily.
Woomera (Oakden Hills) set a daily record precipitation of 46.5 mm (1.8 in) on 21 November 2009.
Across 159 earlier years (1803 to 2025) the same calendar date averaged 445 records.

Record Map

1,131 stations

1,131 station records on 21 November 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 November 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Woomera (Oakden Hills)	Australia	Record daily precipitation	46.5 mm (1.8 in)	77 of 100 (Major)
Woomera (Arcoona)	Australia	Record daily precipitation	40.2 mm (1.6 in)	69 of 100 (Major)
Nixon	United States	Record daily precipitation	87.4 mm (3.4 in)	68 of 100 (Major)
Coober Pedy (Ingomar)	Australia	Record daily precipitation	51.0 mm (2.0 in)	64 of 100 (Major)
Kjobli I Snaasa	Norway	Record daily precipitation	31.0 mm (1.2 in)	62 of 100 (Major)
Woomera (South Gap Station)	Australia	Record daily precipitation	27.4 mm (1.1 in)	61 of 100 (Major)
Siam	Australia	Record daily precipitation	37.0 mm (1.5 in)	61 of 100 (Major)
Yunta (Winnininnie)	Australia	Record daily precipitation	35.0 mm (1.4 in)	61 of 100 (Major)
Peechelba East	Australia	Record daily precipitation	45.0 mm (1.8 in)	57 of 100 (Notable)
Roxby Downs (Parakylia Station	Australia	Record daily precipitation	28.0 mm (1.1 in)	53 of 100 (Notable)
Marree (Farina)	Australia	Record daily precipitation	36.4 mm (1.4 in)	52 of 100 (Notable)
Vigmostad	Norway	Record daily precipitation	111.3 mm (4.4 in)	52 of 100 (Notable)
Tarpley 3S	United States	Record daily precipitation	53.3 mm (2.1 in)	51 of 100 (Notable)
Cockburn	Australia	Record daily precipitation	27.2 mm (1.1 in)	50 of 100 (Notable)
Dublin 2SE	United States	Record daily precipitation	54.6 mm (2.1 in)	50 of 100 (Notable)
Derby 1 S	United States	Record daily precipitation	48.8 mm (1.9 in)	49 of 100 (Notable)
Cockburn (Tepco)	Australia	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Greenock	Australia	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Atotonilco El Alto	Mexico	Record low maximum temperature	15.0 C (59.0 F)	47 of 100 (Notable)
Hondo	United States	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
Tibooburra Post Office	Australia	Record high minimum temperature	29.4 C (84.9 F)	44 of 100 (Notable)
Berrigan Post Office	Australia	Record daily precipitation	32.6 mm (1.3 in)	44 of 100 (Notable)
Ulricehamn	Sweden	Record high maximum temperature	10.4 C (50.7 F)	44 of 100 (Notable)
Carrizo Springs 3S	United States	Record daily precipitation	28.2 mm (1.1 in)	44 of 100 (Notable)
Hebbronville	United States	Record daily precipitation	46.7 mm (1.8 in)	44 of 100 (Notable)
Poteet	United States	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
La Pryor	United States	Record daily precipitation	25.7 mm (1.0 in)	43 of 100 (Notable)
Blinman (Narrina)	Australia	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Blinman (Wirrealpa)	Australia	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Boulia Airport	Australia	Record high minimum temperature	31.5 C (88.7 F)	42 of 100 (Notable)
Milesovka	Czech Republic	Record high maximum temperature	13.2 C (55.8 F)	42 of 100 (Notable)
Chuuk WSO AP	Federated States of Micronesia	Record daily precipitation	143.5 mm (5.6 in)	42 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record high maximum temperature	11.8 C (53.2 F)	42 of 100 (Notable)
Boolcoomatta	Australia	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Moulamein (Tchelery)	Australia	Record daily precipitation	37.0 mm (1.5 in)	41 of 100 (Notable)
Sanya	China	Record low maximum temperature	18.6 C (65.5 F)	41 of 100 (Notable)
Velikie Luki	Russia	Record high minimum temperature	5.3 C (41.5 F)	41 of 100 (Notable)
Boulia Airport	Australia	Record high maximum temperature	42.9 C (109.2 F)	40 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	22.0 C (71.6 F)	40 of 100 (Notable)
San Diego Curupatzeo	Mexico	Record high maximum temperature	40.6 C (105.1 F)	40 of 100 (Notable)
Vanersborg	Sweden	Record high maximum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Uppsala_Aut	Sweden	Record high minimum temperature	5.8 C (42.4 F)	40 of 100 (Notable)
Whitsett	United States	Record daily precipitation	81.0 mm (3.2 in)	40 of 100 (Notable)
Gunnedah Pool	Australia	Record high minimum temperature	24.2 C (75.6 F)	39 of 100 (Notable)
Comondu	Mexico	Record high minimum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Blinman	Australia	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Blinman (Moolooloo)	Australia	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Hallett	Australia	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
Liepaja	Latvia	Record high minimum temperature	8.1 C (46.6 F)	38 of 100 (Notable)
Mt Vernon	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Alkali Lake	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Floresville	United States	Record daily precipitation	52.8 mm (2.1 in)	38 of 100 (Notable)
Gonzales 2S	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Narva	Estonia	Record high minimum temperature	6.5 C (43.7 F)	37 of 100 (Notable)
Bora-Bora/Motu-Mute	French Polynesia	Record daily precipitation	57.9 mm (2.3 in)	37 of 100 (Notable)
Lauriston Reservoir	Australia	Record daily precipitation	29.8 mm (1.2 in)	36 of 100 (Notable)
Blanco	United States	Record daily precipitation	45.5 mm (1.8 in)	36 of 100 (Notable)
Flatonia 4SE	United States	Record daily precipitation	44.5 mm (1.8 in)	36 of 100 (Notable)
Smithville	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Zugspitze	Germany	Record high maximum temperature	3.9 C (39.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,131 records

Records set or tied on 21 November 2009 by type: Highest daily maximum 432, Lowest daily maximum 56, Highest daily minimum 390, Lowest daily minimum 56, Heaviest daily rainfall 192, Heaviest daily snowfall 3, Deepest snow cover 2.

Records on 21 November 2009 by type
Record type	Records
Highest daily maximum	432
Lowest daily maximum	56
Highest daily minimum	390
Lowest daily minimum	56
Heaviest daily rainfall	192
Heaviest daily snowfall	3
Deepest snow cover	2

Records on 21 November 2009 by timescale: all-time 1, monthly 24, daily 1,106.

How Much Records Were Beaten By

1,010 broken records

Margins by which the 1,010 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

21 November 2009

Top 20 records on 21 November 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 November 2009	Woomera (Oakden Hills), AU	daily rain	46.5 mm (1.8 in)	33.5 mm (1.3 in)	92 years	77 of 100 (Major)
21 November 2009	Woomera (Arcoona), AU	daily rain	40.2 mm (1.6 in)	34.6 mm (1.4 in)	84 years	69 of 100 (Major)
21 November 2009	Nixon, US	daily rain	87.4 mm (3.4 in)	63.8 mm (2.5 in)	68 years	68 of 100 (Major)
21 November 2009	Coober Pedy (Ingomar), AU	monthly rain	51.0 mm (2.0 in)	27.9 mm (1.1 in)	31 years	64 of 100 (Major)
21 November 2009	Kjobli I Snaasa, NO	daily rain	31.0 mm (1.2 in)	16.7 mm (0.7 in)	67 years	62 of 100 (Major)
21 November 2009	Woomera (South Gap Station), AU	daily rain	27.4 mm (1.1 in)	21.6 mm (0.9 in)	92 years	61 of 100 (Major)
21 November 2009	Siam, AU	daily rain	37.0 mm (1.5 in)	25.6 mm (1.0 in)	67 years	61 of 100 (Major)
21 November 2009	Yunta (Winnininnie), AU	daily rain	35.0 mm (1.4 in)	24.3 mm (1.0 in)	92 years	61 of 100 (Major)
21 November 2009	Peechelba East, AU	daily rain	45.0 mm (1.8 in)	26.7 mm (1.1 in)	47 years	57 of 100 (Notable)
21 November 2009	Roxby Downs (Parakylia Station, AU	daily rain	28.0 mm (1.1 in)	24.2 mm (1.0 in)	51 years	53 of 100 (Notable)
21 November 2009	Marree (Farina), AU	daily rain	36.4 mm (1.4 in)	26.8 mm (1.1 in)	8 years	52 of 100 (Notable)
21 November 2009	Vigmostad, NO	daily rain	111.3 mm (4.4 in)	53.6 mm (2.1 in)	27 years	52 of 100 (Notable)
21 November 2009	Tarpley 3S, US	daily rain	53.3 mm (2.1 in)	46.9 mm (1.8 in)	48 years	51 of 100 (Notable)
21 November 2009	Cockburn, AU	daily rain	27.2 mm (1.1 in)	13.2 mm (0.5 in)	92 years	50 of 100 (Notable)
21 November 2009	Dublin 2SE, US	daily rain	54.6 mm (2.1 in)	42.2 mm (1.7 in)	47 years	50 of 100 (Notable)
21 November 2009	Derby 1 S, US	daily rain	48.8 mm (1.9 in)	47.8 mm (1.9 in)	20 years	49 of 100 (Notable)
21 November 2009	Cockburn (Tepco), AU	daily rain	47.0 mm (1.9 in)	30.4 mm (1.2 in)	10 years	48 of 100 (Notable)
21 November 2009	Greenock, AU	daily rain	30.0 mm (1.2 in)	13.5 mm (0.5 in)	60 years	48 of 100 (Notable)
21 November 2009	Atotonilco El Alto, MX	daily low max	15.0 C (59.0 F)	5.6 C (10.1 F)	63 years	47 of 100 (Notable)
21 November 2009	Hondo, US	daily rain	35.6 mm (1.4 in)	25.2 mm (1.0 in)	48 years	47 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

1803 to 2009

Records set or tied on this calendar date in each year from 1803 to 2009. 2009 had 1,131 records.

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

Records on 11-21 in each year
Year	Records
1803	1
1816	2
1821	2
1829	1
1835	1
1839	1
1844	1
1847	1
1855	1
1856	1
1857	1
1858	4
1866	1
1868	1
1870	2
1871	2
1872	1
1873	2
1874	1
1876	2
1879	4
1880	4
1881	1
1882	1
1883	3
1887	3
1889	1
1890	7
1893	1
1894	4
1896	1
1897	4
1898	3
1899	4
1900	7
1901	5
1902	7
1903	5
1904	9
1905	3
1906	14
1907	7
1908	9
1909	18
1910	23
1911	19
1912	14
1913	79
1914	51
1915	21
1916	66
1917	248
1918	12
1919	22
1920	36
1921	96
1922	42
1923	27
1924	104
1925	73
1926	420
1927	108
1928	109
1929	467
1930	243
1931	682
1932	162
1933	381
1934	578
1935	62
1936	192
1937	1,309
1938	119
1939	303
1940	337
1941	329
1942	662
1943	212
1944	250
1945	308
1946	604
1947	540
1948	414
1949	588
1950	904
1951	605
1952	424
1953	408
1954	927
1955	419
1956	624
1957	442
1958	407
1959	460
1960	691
1961	738
1962	524
1963	601
1964	1,014
1965	448
1966	589
1967	336
1968	358
1969	611
1970	400
1971	514
1972	735
1973	1,100
1974	809
1975	548
1976	315
1977	1,313
1978	1,034
1979	1,409
1980	805
1981	939
1982	807
1983	1,066
1984	525
1985	1,808
1986	815
1987	949
1988	928
1989	797
1990	1,337
1991	944
1992	1,375
1993	1,413
1994	1,179
1995	1,084
1996	1,882
1997	449
1998	1,312
1999	920
2000	1,191
2001	811
2002	847
2003	1,007
2004	873
2005	491
2006	1,181
2007	936
2008	1,079
2009	1,131
2010	894
2011	944
2012	792
2013	543
2014	815
2015	785
2016	1,000
2017	687
2018	391
2019	653
2020	421
2021	296
2022	824
2023	584
2024	519
2025	745

Download the Data

Data for records on 2009-11-21: 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	967
20 to 40	32
40 to 60	8
60 to 80	2
80 to 100	0
100 to 120	1