Weather Records on 21 November 2017

687 weather records were set or tied worldwide on 21 November 2017. Highest significance: Kealakekua 26.2, US.

Key Facts for 21 November 2017

On 21 November 2017, 687 weather records were set or tied at long-record stations worldwide.
485 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 678 daily.
Kealakekua 26.2 set a monthly record low minimum temperature of 12.2 C (54.0 F) on 21 November 2017.
Across 159 earlier years (1803 to 2025) the same calendar date averaged 448 records.

Record Map

687 stations

687 station records on 21 November 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 November 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kealakekua 26.2	United States	Record low minimum temperature	12.2 C (54.0 F)	58 of 100 (Notable)
Kotzebue AP	United States	Record daily snowfall	27.4 cm (10.8 in)	57 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record daily precipitation	34.6 mm (1.4 in)	56 of 100 (Notable)
Hua Hin	Thailand	Record daily precipitation	173.0 mm (6.8 in)	56 of 100 (Notable)
Tabora Airport	Tanzania	Record daily precipitation	99.6 mm (3.9 in)	54 of 100 (Notable)
Vunisea	Fiji	Record daily precipitation	239.5 mm (9.4 in)	53 of 100 (Notable)
Dotswood	Australia	Record daily precipitation	101.0 mm (4.0 in)	51 of 100 (Notable)
Longmont 2 ESE	United States	Record high minimum temperature	7.2 C (45.0 F)	49 of 100 (Notable)
Navua	Fiji	Record daily precipitation	164.5 mm (6.5 in)	48 of 100 (Notable)
Eureka WFO Woodley Is	United States	Record high maximum temperature	23.9 C (75.0 F)	47 of 100 (Notable)
Roseburg Rgnl AP	United States	Record high maximum temperature	22.8 C (73.0 F)	46 of 100 (Notable)
Prospect 2 SW	United States	Record high minimum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Evanston 1 E	United States	Record high minimum temperature	2.2 C (36.0 F)	43 of 100 (Notable)
Mountainair	United States	Record high minimum temperature	3.9 C (39.0 F)	42 of 100 (Notable)
Rainier Paradise Rs	United States	Record daily precipitation	129.5 mm (5.1 in)	42 of 100 (Notable)
Alturas	United States	Record high minimum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Scotia	United States	Record high maximum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Mount Gambier Post Office	Australia	Record high minimum temperature	16.2 C (61.2 F)	40 of 100 (Notable)
Atyrau	Kazakhstan	Record high minimum temperature	5.4 C (41.7 F)	40 of 100 (Notable)
Sheffield	United Kingdom	Record high minimum temperature	10.7 C (51.3 F)	40 of 100 (Notable)
Scotia	United States	Record high minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Astrakan	Russia	Record high maximum temperature	15.3 C (59.5 F)	39 of 100 (Notable)
Riddle	United States	Record high maximum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Riddle	United States	Record high minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Jacksonville	United States	Record daily precipitation	42.7 mm (1.7 in)	39 of 100 (Notable)
N Bend SW Oregon Rgnl AP	United States	Record high minimum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Rotuma	Fiji	Record daily precipitation	118.6 mm (4.7 in)	38 of 100 (Notable)
Orovada 3 W	United States	Record high minimum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Eugene-Mahlon Sweet Fld	United States	Record high maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Salem AP (McNary Field)	United States	Record high maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Moskalvo	Russia	Record low maximum temperature	-13.8 C (7.2 F)	36 of 100 (Notable)
Twitchell Dam	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Glenns Ferry	United States	Record high minimum temperature	6.7 C (44.1 F)	35 of 100 (Notable)
Haleakala Rs 338	United States	Record low minimum temperature	1.7 C (35.1 F)	35 of 100 (Notable)
Salinas AP	United States	Record high maximum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Innisfail	Australia	Record low minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Anapa	Russia	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Bradford	United Kingdom	Record high maximum temperature	14.9 C (58.8 F)	34 of 100 (Routine)
Ft Lauderdale	United States	Record daily precipitation	56.6 mm (2.2 in)	34 of 100 (Routine)
McKenzie Rvr Rs	United States	Record high minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Neptune Island	Australia	Record high minimum temperature	18.8 C (65.8 F)	32 of 100 (Routine)
Bailey	United States	Record high minimum temperature	1.1 C (34.0 F)	32 of 100 (Routine)
Spanish Fk Pwr House	United States	Record high minimum temperature	7.2 C (45.0 F)	32 of 100 (Routine)
Matlock 8 S	United States	Record daily precipitation	107.7 mm (4.2 in)	32 of 100 (Routine)
Adelaide West Terrace	Australia	Record high minimum temperature	25.1 C (77.2 F)	31 of 100 (Routine)
Bradford	United Kingdom	Record high minimum temperature	10.3 C (50.5 F)	31 of 100 (Routine)
Buxton	United Kingdom	Record high minimum temperature	10.2 C (50.4 F)	31 of 100 (Routine)
Port Alsworth	United States	Record daily snowfall	22.9 cm (9.0 in)	31 of 100 (Routine)
Adak AP	United States	Record high maximum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Adelaide (Waite Institute)	Australia	Record high minimum temperature	24.9 C (76.8 F)	30 of 100 (Routine)
Warwick Park	Australia	Record daily precipitation	28.0 mm (1.1 in)	30 of 100 (Routine)
Longreach Aero	Australia	Record low maximum temperature	25.5 C (77.9 F)	30 of 100 (Routine)
El Alto Intl	Bolivia	Record low minimum temperature	-3.6 C (25.5 F)	30 of 100 (Routine)
Ruby Lake Nwr	United States	Record high minimum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Albuquerque Intl AP	United States	Record high minimum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Denver-Stapleton	United States	Record high minimum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Whidbey Island NAS	United States	Record high maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Litke	Russia	Record low maximum temperature	-14.3 C (6.3 F)	29 of 100 (Routine)
Beowawe	United States	Record high minimum temperature	7.8 C (46.0 F)	29 of 100 (Routine)
Grenville	United States	Record high minimum temperature	5.0 C (41.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

687 records

Records set or tied on 21 November 2017 by type: Highest daily maximum 176, Lowest daily maximum 39, Highest daily minimum 309, Lowest daily minimum 31, Heaviest daily rainfall 123, Heaviest daily snowfall 6, Deepest snow cover 3.

Records on 21 November 2017 by type
Record type	Records
Highest daily maximum	176
Lowest daily maximum	39
Highest daily minimum	309
Lowest daily minimum	31
Heaviest daily rainfall	123
Heaviest daily snowfall	6
Deepest snow cover	3

Records on 21 November 2017 by timescale: all-time 0, monthly 9, daily 678.

How Much Records Were Beaten By

576 broken records

Margins by which the 576 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 193.0. Ties are not counted.

Top 20 by Significance

21 November 2017

Top 20 records on 21 November 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 November 2017	Kealakekua 26.2, US	monthly low min	12.2 C (54.0 F)	1.1 C (2.0 F)	109 years	58 of 100 (Notable)
21 November 2017	Kotzebue AP, US	daily snowfall	27.4 cm (10.8 in)	19.3 cm (7.6 in)	24 years	57 of 100 (Notable)
21 November 2017	Dublin Phoenix Park, IE	daily rain	34.6 mm (1.4 in)	14.3 mm (0.6 in)	72 years	56 of 100 (Notable)
21 November 2017	Hua Hin, TH	daily rain	173.0 mm (6.8 in)	120.5 mm (4.7 in)	56 years	56 of 100 (Notable)
21 November 2017	Tabora Airport, TZ	daily rain	99.6 mm (3.9 in)	69.9 mm (2.8 in)	28 years	54 of 100 (Notable)
21 November 2017	Vunisea, FJ	monthly rain	239.5 mm (9.4 in)	64.8 mm (2.6 in)	10 years	53 of 100 (Notable)
21 November 2017	Dotswood, AU	monthly rain	101.0 mm (4.0 in)	32.4 mm (1.3 in)	30 years	51 of 100 (Notable)
21 November 2017	Longmont 2 ESE, US	daily high min	7.2 C (45.0 F)	6.1 C (11.0 F)	92 years	49 of 100 (Notable)
21 November 2017	Navua, FJ	daily rain	164.5 mm (6.5 in)	103.9 mm (4.1 in)	18 years	48 of 100 (Notable)
21 November 2017	Eureka WFO Woodley Is, US	daily high max	23.9 C (75.0 F)	6.1 C (11.0 F)	60 years	47 of 100 (Notable)
21 November 2017	Roseburg Rgnl AP, US	daily high max	22.8 C (73.0 F)	4.5 C (8.1 F)	84 years	46 of 100 (Notable)
21 November 2017	Prospect 2 SW, US	daily high min	8.3 C (46.9 F)	2.2 C (4.0 F)	96 years	43 of 100 (Notable)
21 November 2017	Evanston 1 E, US	daily high min	2.2 C (36.0 F)	2.2 C (4.0 F)	108 years	43 of 100 (Notable)
21 November 2017	Mountainair, US	daily high min	3.9 C (39.0 F)	1.1 C (2.0 F)	115 years	42 of 100 (Notable)
21 November 2017	Rainier Paradise Rs, US	daily rain	129.5 mm (5.1 in)	61.7 mm (2.4 in)	19 years	42 of 100 (Notable)
21 November 2017	Alturas, US	daily high min	6.1 C (43.0 F)	0.5 C (0.9 F)	102 years	41 of 100 (Notable)
21 November 2017	Scotia, US	daily high max	24.4 C (75.9 F)	2.2 C (4.0 F)	87 years	41 of 100 (Notable)
21 November 2017	Mount Gambier Post Office, AU	daily high min	16.2 C (61.2 F)	1.1 C (2.0 F)	92 years	40 of 100 (Notable)
21 November 2017	Atyrau, KZ	daily high min	5.4 C (41.7 F)	0.1 C (0.2 F)	108 years	40 of 100 (Notable)
21 November 2017	Sheffield, GB	daily high min	10.7 C (51.3 F)	0.1 C (0.2 F)	100 years	40 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 2017

Records set or tied on this calendar date in each year from 1803 to 2017. 2017 had 687 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 2017-11-21: 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 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 25	563
25 to 50	3
50 to 75	6
75 to 100	0
100 to 125	2
125 to 150	1
150 to 175	0
175 to 200	1