Weather Records on 21 November 2010

894 weather records were set or tied worldwide on 21 November 2010. Highest significance: Pacific Heights, AU.

Key Facts for 21 November 2010

On 21 November 2010, 894 weather records were set or tied at long-record stations worldwide.
331 were record highs and 156 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 31 monthly and 862 daily.
Pacific Heights set a daily record precipitation of 124.6 mm (4.9 in) on 21 November 2010.
Across 159 earlier years (1803 to 2025) the same calendar date averaged 447 records.

Record Map

894 stations

894 station records on 21 November 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 November 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pacific Heights	Australia	Record daily precipitation	124.6 mm (4.9 in)	80 of 100 (Exceptional)
Nevada City	United States	Record daily snowfall	16.5 cm (6.5 in)	73 of 100 (Major)
Julian Cdf	United States	Record daily precipitation	69.9 mm (2.8 in)	71 of 100 (Major)
Billings Wtp	United States	Record snow depth	27.9 cm (11.0 in)	65 of 100 (Major)
Willis Island	Australia	Record daily precipitation	91.2 mm (3.6 in)	64 of 100 (Major)
Quincy	United States	Record daily snowfall	20.3 cm (8.0 in)	62 of 100 (Major)
Callao	United States	Record daily snowfall	11.4 cm (4.5 in)	62 of 100 (Major)
Kamas	United States	Record daily snowfall	33.0 cm (13.0 in)	62 of 100 (Major)
Yaamba	Australia	Record daily precipitation	49.4 mm (1.9 in)	61 of 100 (Major)
Glenbrook	United States	Record daily snowfall	38.1 cm (15.0 in)	61 of 100 (Major)
Coalville	United States	Record daily snowfall	25.4 cm (10.0 in)	60 of 100 (Major)
Medora	United States	Record daily precipitation	25.4 mm (1.0 in)	58 of 100 (Notable)
Minden	United States	Record daily snowfall	10.2 cm (4.0 in)	56 of 100 (Notable)
Woodruff	United States	Record daily snowfall	17.8 cm (7.0 in)	56 of 100 (Notable)
Echo Dam	United States	Record daily snowfall	35.6 cm (14.0 in)	55 of 100 (Notable)
Lake Yellowstone	United States	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Old Faithful	United States	Record daily snowfall	27.9 cm (11.0 in)	55 of 100 (Notable)
McGill	United States	Record snow depth	22.9 cm (9.0 in)	53 of 100 (Notable)
Partoun	United States	Record daily snowfall	8.9 cm (3.5 in)	52 of 100 (Notable)
Albany	Australia	Record high minimum temperature	20.0 C (68.0 F)	51 of 100 (Notable)
Koumala Hatfields Road	Australia	Record daily precipitation	91.5 mm (3.6 in)	51 of 100 (Notable)
Strawberry Valley 2	United States	Record daily snowfall	55.9 cm (22.0 in)	51 of 100 (Notable)
Lima	United States	Record snow depth	33.0 cm (13.0 in)	51 of 100 (Notable)
North Lakhimpur	India	Record daily precipitation	42.9 mm (1.7 in)	50 of 100 (Notable)
Nevada City	United States	Record snow depth	17.8 cm (7.0 in)	50 of 100 (Notable)
Dickinson Exp STN	United States	Record daily snowfall	14.7 cm (5.8 in)	50 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record daily snowfall	14.0 cm (5.5 in)	50 of 100 (Notable)
Ft Hall 1 NNE	United States	Record daily snowfall	10.2 cm (4.0 in)	49 of 100 (Notable)
Broadmeadows	Australia	Record daily precipitation	99.8 mm (3.9 in)	47 of 100 (Notable)
Dibrugarh/Mohanbar	India	Record daily precipitation	39.9 mm (1.6 in)	47 of 100 (Notable)
Tahoe City	United States	Record daily snowfall	58.4 cm (23.0 in)	47 of 100 (Notable)
Mystic Lake	United States	Record snow depth	66.0 cm (26.0 in)	47 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily snowfall	16.5 cm (6.5 in)	46 of 100 (Notable)
San Simon	United States	Record high minimum temperature	11.1 C (52.0 F)	45 of 100 (Notable)
Kamas	United States	Record daily precipitation	37.6 mm (1.5 in)	45 of 100 (Notable)
Huntsville Monastery	United States	Record daily snowfall	25.4 cm (10.0 in)	44 of 100 (Notable)
Ft Bidwell	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Mather	United States	Record snow depth	48.3 cm (19.0 in)	43 of 100 (Notable)
Chinook	United States	Record snow depth	25.4 cm (10.0 in)	43 of 100 (Notable)
Macknade Sugar Mill	Australia	Record daily precipitation	94.6 mm (3.7 in)	42 of 100 (Notable)
McGill	United States	Record daily snowfall	22.9 cm (9.0 in)	42 of 100 (Notable)
Silver Lake Brighton	United States	Record daily precipitation	56.1 mm (2.2 in)	42 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record low maximum temperature	-11.1 C (12.0 F)	42 of 100 (Notable)
Dutch Harbor	United States	Record high minimum temperature	8.3 C (46.9 F)	42 of 100 (Notable)
Ely AP	United States	Record snow depth	20.3 cm (8.0 in)	42 of 100 (Notable)
Coalville	United States	Record snow depth	25.4 cm (10.0 in)	42 of 100 (Notable)
Werrington Station	Australia	Record daily precipitation	43.0 mm (1.7 in)	41 of 100 (Notable)
Happy Valley	Australia	Record daily precipitation	158.0 mm (6.2 in)	41 of 100 (Notable)
Mineral	United States	Record daily snowfall	40.6 cm (16.0 in)	41 of 100 (Notable)
Ruth	United States	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Richardton Abbey	United States	Record daily snowfall	12.7 cm (5.0 in)	41 of 100 (Notable)
Donnybrook	Australia	Record high minimum temperature	20.4 C (68.7 F)	40 of 100 (Notable)
Canyon Dam	United States	Record daily snowfall	35.6 cm (14.0 in)	40 of 100 (Notable)
Cherry Valley Dam	United States	Record daily snowfall	33.0 cm (13.0 in)	40 of 100 (Notable)
Idaho Falls - Kifi	United States	Record snow depth	12.7 cm (5.0 in)	40 of 100 (Notable)
Westhope	United States	Record daily snowfall	20.3 cm (8.0 in)	40 of 100 (Notable)
Tower Falls	United States	Record daily snowfall	21.6 cm (8.5 in)	40 of 100 (Notable)
Canyon Dam	United States	Record snow depth	63.5 cm (25.0 in)	39 of 100 (Notable)
Colfax	United States	Record low maximum temperature	2.2 C (36.0 F)	39 of 100 (Notable)
Hardin	United States	Record daily snowfall	6.4 cm (2.5 in)	39 of 100 (Notable)

Counts by Type and Timescale

894 records

Records set or tied on 21 November 2010 by type: Highest daily maximum 142, Lowest daily maximum 118, Highest daily minimum 189, Lowest daily minimum 38, Heaviest daily rainfall 242, Heaviest daily snowfall 105, Deepest snow cover 60.

Records on 21 November 2010 by type
Record type	Records
Highest daily maximum	142
Lowest daily maximum	118
Highest daily minimum	189
Lowest daily minimum	38
Heaviest daily rainfall	242
Heaviest daily snowfall	105
Deepest snow cover	60

Records on 21 November 2010 by timescale: all-time 1, monthly 31, daily 862.

How Much Records Were Beaten By

697 broken records

Margins by which the 697 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

21 November 2010

Top 20 records on 21 November 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 November 2010	Pacific Heights, AU	daily rain	124.6 mm (4.9 in)	73.8 mm (2.9 in)	107 years	80 of 100 (Exceptional)
21 November 2010	Nevada City, US	daily snowfall	16.5 cm (6.5 in)	16.5 cm (6.5 in)	104 years	73 of 100 (Major)
21 November 2010	Julian Cdf, US	daily rain	69.9 mm (2.8 in)	52.1 mm (2.1 in)	101 years	71 of 100 (Major)
21 November 2010	Billings Wtp, US	daily snow depth	27.9 cm (11.0 in)	15.2 cm (6.0 in)	92 years	65 of 100 (Major)
21 November 2010	Willis Island, AU	daily rain	91.2 mm (3.6 in)	72.1 mm (2.8 in)	61 years	64 of 100 (Major)
21 November 2010	Quincy, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	109 years	62 of 100 (Major)
21 November 2010	Callao, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	108 years	62 of 100 (Major)
21 November 2010	Kamas, US	daily snowfall	33.0 cm (13.0 in)	27.9 cm (11.0 in)	55 years	62 of 100 (Major)
21 November 2010	Yaamba, AU	daily rain	49.4 mm (1.9 in)	30.1 mm (1.2 in)	107 years	61 of 100 (Major)
21 November 2010	Glenbrook, US	daily snowfall	38.1 cm (15.0 in)	25.4 cm (10.0 in)	59 years	61 of 100 (Major)
21 November 2010	Coalville, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	69 years	60 of 100 (Major)
21 November 2010	Medora, US	daily rain	25.4 mm (1.0 in)	21.8 mm (0.9 in)	40 years	58 of 100 (Notable)
21 November 2010	Minden, US	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	104 years	56 of 100 (Notable)
21 November 2010	Woodruff, US	daily snowfall	17.8 cm (7.0 in)	9.4 cm (3.7 in)	83 years	56 of 100 (Notable)
21 November 2010	Echo Dam, US	daily snowfall	35.6 cm (14.0 in)	21.6 cm (8.5 in)	27 years	55 of 100 (Notable)
21 November 2010	Lake Yellowstone, US	daily snowfall	25.4 cm (10.0 in)	9.9 cm (3.9 in)	83 years	55 of 100 (Notable)
21 November 2010	Old Faithful, US	daily snowfall	27.9 cm (11.0 in)	10.1 cm (4.0 in)	95 years	55 of 100 (Notable)
21 November 2010	McGill, US	daily snow depth	22.9 cm (9.0 in)	15.3 cm (6.0 in)	24 years	53 of 100 (Notable)
21 November 2010	Partoun, US	daily snowfall	8.9 cm (3.5 in)	6.4 cm (2.5 in)	104 years	52 of 100 (Notable)
21 November 2010	Albany, AU	monthly high min	20.0 C (68.0 F)	0.8 C (1.4 F)	94 years	51 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 2010

Records set or tied on this calendar date in each year from 1803 to 2010. 2010 had 894 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 2010-11-21: 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 50	613
50 to 100	51
100 to 150	13
150 to 200	9
200 to 250	5
250 to 300	4
300 to 350	2