Weather Records on 20 November 2017

451 weather records were set or tied worldwide on 20 November 2017. Highest significance: Crookwell Post Office, AU.

Key Facts for 20 November 2017

On 20 November 2017, 451 weather records were set or tied at long-record stations worldwide.
129 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 446 daily.
Crookwell Post Office set a daily record precipitation of 71.4 mm (2.8 in) on 20 November 2017.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 454 records.

Record Map

451 stations

451 station records on 20 November 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 November 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Crookwell Post Office	Australia	Record daily precipitation	71.4 mm (2.8 in)	71 of 100 (Major)
Xilin Hot	China	Record daily precipitation	39.9 mm (1.6 in)	59 of 100 (Notable)
Cascade Locks	United States	Record daily precipitation	76.7 mm (3.0 in)	50 of 100 (Notable)
Boggabri Post Office	Australia	Record daily precipitation	58.8 mm (2.3 in)	47 of 100 (Notable)
Dnipropetrovsk	Ukraine	Record daily precipitation	29.0 mm (1.1 in)	45 of 100 (Notable)
Hot Springs 1 NNE	United States	Record high maximum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Robinson	United States	Record low maximum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Sodus 1W	United States	Record daily snowfall	16.0 cm (6.3 in)	41 of 100 (Notable)
Ivanhoe Downs	Australia	Record daily precipitation	33.5 mm (1.3 in)	40 of 100 (Notable)
Cheyenne	United States	Record high minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Hill City Muni AP	United States	Record high maximum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Moron de la Frontera	Spain	Record high maximum temperature	24.9 C (76.8 F)	34 of 100 (Routine)
Adak AP	United States	Record high maximum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Sosunovo	Russia	Record low minimum temperature	-21.9 C (-7.4 F)	32 of 100 (Routine)
Boromo	Burkina Faso	Record low maximum temperature	30.5 C (86.9 F)	32 of 100 (Routine)
Denton	Australia	Record daily precipitation	36.0 mm (1.4 in)	31 of 100 (Routine)
Manoa Lyon Arbo 785.2	United States	Record low minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Ust-Vojampolka	Russia	Record high maximum temperature	5.8 C (42.4 F)	30 of 100 (Routine)
Lihue WSO AP 1020.1	United States	Record low minimum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Eureka WFO Woodley Is	United States	Record high minimum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Navua	Fiji	Record daily precipitation	93.5 mm (3.7 in)	29 of 100 (Routine)
Melnichnoe	Russia	Record low minimum temperature	-31.6 C (-24.9 F)	29 of 100 (Routine)
Fulton	United States	Record daily snowfall	8.1 cm (3.2 in)	29 of 100 (Routine)
Loreto	Mexico	Record high maximum temperature	33.7 C (92.7 F)	28 of 100 (Routine)
Gvasjugi	Russia	Record low minimum temperature	-32.0 C (-25.6 F)	28 of 100 (Routine)
Petropavlovsk-Kamchatskij	Russia	Record high maximum temperature	6.1 C (43.0 F)	28 of 100 (Routine)
Sapporo	Japan	Record low maximum temperature	-1.7 C (28.9 F)	27 of 100 (Routine)
Urakawa	Japan	Record low maximum temperature	-0.7 C (30.7 F)	27 of 100 (Routine)
Toamasina	Madagascar	Record daily precipitation	39.1 mm (1.5 in)	27 of 100 (Routine)
Cuguevka	Russia	Record low minimum temperature	-26.4 C (-15.5 F)	27 of 100 (Routine)
Prachuap Khiri Khan	Thailand	Record daily precipitation	51.3 mm (2.0 in)	27 of 100 (Routine)
Otaru	Japan	Record low maximum temperature	-2.6 C (27.3 F)	26 of 100 (Routine)
Otaru	Japan	Record low minimum temperature	-7.1 C (19.2 F)	26 of 100 (Routine)
Koror	Palau	Record high minimum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Uttaradit	Thailand	Record high maximum temperature	36.5 C (97.7 F)	26 of 100 (Routine)
Topaz Lake	United States	Record high minimum temperature	7.2 C (45.0 F)	26 of 100 (Routine)
Alcalde	United States	Record low minimum temperature	-12.2 C (10.0 F)	26 of 100 (Routine)
Kula Branch STN 324.5	United States	Record low maximum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Yonago	Japan	Record low maximum temperature	8.6 C (47.5 F)	25 of 100 (Routine)
Skjak II	Norway	Record snow depth	23.0 cm (9.1 in)	25 of 100 (Routine)
Serafimovic	Russia	Record high minimum temperature	6.8 C (44.2 F)	25 of 100 (Routine)
Mae Sot	Thailand	Record high maximum temperature	35.2 C (95.4 F)	25 of 100 (Routine)
Hua Hin	Thailand	Record daily precipitation	26.9 mm (1.1 in)	25 of 100 (Routine)
Mazama	United States	Record daily snowfall	19.3 cm (7.6 in)	25 of 100 (Routine)
Puukolii 457.1	United States	Record low minimum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Silver Creek	United States	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Tuapse	Russia	Record high minimum temperature	16.0 C (60.8 F)	24 of 100 (Routine)
Humptulips Salmon Hatchery	United States	Record daily precipitation	109.2 mm (4.3 in)	24 of 100 (Routine)
Lankaran	Azerbaijan	Record high maximum temperature	19.1 C (66.4 F)	23 of 100 (Routine)
Kyoto	Japan	Record low maximum temperature	9.9 C (49.8 F)	23 of 100 (Routine)
Askaniia Nova	Ukraine	Record daily precipitation	25.4 mm (1.0 in)	23 of 100 (Routine)
Waterford (Tycor)	Ireland	Record high maximum temperature	15.1 C (59.2 F)	22 of 100 (Routine)
Cork	Ireland	Record high minimum temperature	10.2 C (50.4 F)	22 of 100 (Routine)
Sapporo	Japan	Record low minimum temperature	-6.6 C (20.1 F)	22 of 100 (Routine)
Kjobli I Snaasa	Norway	Record low maximum temperature	-12.3 C (9.9 F)	22 of 100 (Routine)
Semjachik	Russia	Record high maximum temperature	5.3 C (41.5 F)	22 of 100 (Routine)
Bullfrog Basin	United States	Record low minimum temperature	-4.4 C (24.1 F)	22 of 100 (Routine)
Waikiki 717.2	United States	Record low minimum temperature	16.1 C (61.0 F)	22 of 100 (Routine)
Fourmile Lake	United States	Record daily precipitation	48.3 mm (1.9 in)	22 of 100 (Routine)
Goa/Panjim	India	Record low maximum temperature	30.2 C (86.4 F)	21 of 100 (Routine)

Counts by Type and Timescale

451 records

Records set or tied on 20 November 2017 by type: Highest daily maximum 49, Lowest daily maximum 46, Highest daily minimum 80, Lowest daily minimum 47, Heaviest daily rainfall 208, Heaviest daily snowfall 11, Deepest snow cover 10.

Records on 20 November 2017 by type
Record type	Records
Highest daily maximum	49
Lowest daily maximum	46
Highest daily minimum	80
Lowest daily minimum	47
Heaviest daily rainfall	208
Heaviest daily snowfall	11
Deepest snow cover	10

Records on 20 November 2017 by timescale: all-time 0, monthly 5, daily 446.

How Much Records Were Beaten By

371 broken records

Margins by which the 371 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.0. Ties are not counted.

Top 20 by Significance

20 November 2017

Top 20 records on 20 November 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 November 2017	Crookwell Post Office, AU	daily rain	71.4 mm (2.8 in)	34.3 mm (1.4 in)	84 years	71 of 100 (Major)
20 November 2017	Xilin Hot, CN	daily rain	39.9 mm (1.6 in)	37.4 mm (1.5 in)	46 years	59 of 100 (Notable)
20 November 2017	Cascade Locks, US	daily rain	76.7 mm (3.0 in)	18.0 mm (0.7 in)	107 years	50 of 100 (Notable)
20 November 2017	Boggabri Post Office, AU	daily rain	58.8 mm (2.3 in)	15.4 mm (0.6 in)	84 years	47 of 100 (Notable)
20 November 2017	Dnipropetrovsk, UA	daily rain	29.0 mm (1.1 in)	15.3 mm (0.6 in)	36 years	45 of 100 (Notable)
20 November 2017	Hot Springs 1 NNE, US	daily high max	25.6 C (78.1 F)	1.2 C (2.2 F)	106 years	42 of 100 (Notable)
20 November 2017	Robinson, US	daily low max	2.8 C (37.0 F)	1.1 C (2.0 F)	114 years	41 of 100 (Notable)
20 November 2017	Sodus 1W, US	daily snowfall	16.0 cm (6.3 in)	8.4 cm (3.3 in)	44 years	41 of 100 (Notable)
20 November 2017	Ivanhoe Downs, AU	daily rain	33.5 mm (1.3 in)	4.0 mm (0.16 in)	92 years	40 of 100 (Notable)
20 November 2017	Cheyenne, US	daily high min	5.6 C (42.1 F)	1.2 C (2.2 F)	90 years	39 of 100 (Notable)
20 November 2017	Hill City Muni AP, US	daily high max	23.3 C (73.9 F)	0.5 C (0.9 F)	96 years	39 of 100 (Notable)
20 November 2017	Moron de la Frontera, ES	daily high max	24.9 C (76.8 F)	3.8 C (6.8 F)	59 years	34 of 100 (Routine)
20 November 2017	Adak AP, US	monthly high max	14.4 C (57.9 F)	0.5 C (0.9 F)	47 years	33 of 100 (Routine)
20 November 2017	Sosunovo, RU	daily low min	-21.9 C (-7.4 F)	4.7 C (8.5 F)	60 years	32 of 100 (Routine)
20 November 2017	Boromo, BF	daily low max	30.5 C (86.9 F)	2.5 C (4.5 F)	42 years	32 of 100 (Routine)
20 November 2017	Denton, AU	daily rain	36.0 mm (1.4 in)	16.0 mm (0.6 in)	36 years	31 of 100 (Routine)
20 November 2017	Manoa Lyon Arbo 785.2, US	daily low min	15.0 C (59.0 F)	2.2 C (4.0 F)	40 years	31 of 100 (Routine)
20 November 2017	Ust-Vojampolka, RU	daily high max	5.8 C (42.4 F)	0.4 C (0.7 F)	75 years	30 of 100 (Routine)
20 November 2017	Lihue WSO AP 1020.1, US	daily low min	16.1 C (61.0 F)	1.1 C (2.0 F)	64 years	30 of 100 (Routine)
20 November 2017	Eureka WFO Woodley Is, US	daily high min	13.3 C (55.9 F)	1.1 C (2.0 F)	67 years	30 of 100 (Routine)

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

1793 to 2017

Records set or tied on this calendar date in each year from 1793 to 2017. 2017 had 451 records.

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

Records on 11-20 in each year
Year	Records
1793	1
1809	2
1816	3
1829	4
1835	1
1836	1
1847	1
1851	1
1852	1
1855	1
1858	1
1859	1
1862	1
1865	1
1871	1
1873	1
1874	1
1878	1
1879	3
1880	2
1881	1
1884	1
1885	2
1886	1
1887	1
1889	3
1890	2
1891	4
1893	2
1894	1
1897	7
1900	11
1901	6
1902	10
1903	10
1904	9
1905	7
1906	22
1907	5
1908	8
1909	26
1910	14
1911	29
1912	15
1913	64
1914	89
1915	12
1916	16
1917	65
1918	14
1919	47
1920	15
1921	73
1922	26
1923	45
1924	84
1925	224
1926	294
1927	105
1928	140
1929	130
1930	600
1931	646
1932	255
1933	702
1934	477
1935	55
1936	286
1937	1,102
1938	167
1939	265
1940	280
1941	438
1942	774
1943	248
1944	347
1945	322
1946	774
1947	413
1948	651
1949	362
1950	877
1951	742
1952	494
1953	850
1954	876
1955	365
1956	598
1957	190
1958	218
1959	270
1960	330
1961	540
1962	700
1963	597
1964	863
1965	285
1966	434
1967	277
1968	479
1969	710
1970	368
1971	651
1972	729
1973	941
1974	655
1975	660
1976	389
1977	1,332
1978	1,413
1979	819
1980	745
1981	1,119
1982	800
1983	1,054
1984	537
1985	2,379
1986	1,142
1987	666
1988	1,218
1989	986
1990	1,010
1991	798
1992	1,416
1993	1,211
1994	1,484
1995	1,237
1996	1,566
1997	461
1998	829
1999	493
2000	1,163
2001	843
2002	900
2003	1,242
2004	738
2005	432
2006	1,034
2007	1,151
2008	1,171
2009	1,184
2010	678
2011	816
2012	657
2013	411
2014	1,018
2015	733
2016	725
2017	451
2018	339
2019	791
2020	578
2021	414
2022	1,283
2023	554
2024	645
2025	660

Download the Data

Data for records on 2017-11-20: 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	354
20 to 40	11
40 to 60	5
60 to 80	0
80 to 100	1