Weather Records on 20 November 1917

65 weather records were set or tied worldwide on 20 November 1917. Highest significance: Gum Lake (Albemarle), AU.

Key Facts for 20 November 1917

On 20 November 1917, 65 weather records were set or tied at long-record stations worldwide.
27 were record highs and 1 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 63 daily.
Gum Lake (Albemarle) set a daily record precipitation of 49.5 mm (1.9 in) on 20 November 1917.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 456 records.

Record Map

65 stations

65 station records on 20 November 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 November 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gum Lake (Albemarle)	Australia	Record daily precipitation	49.5 mm (1.9 in)	56 of 100 (Notable)
Fulham Park	Australia	Record daily precipitation	53.8 mm (2.1 in)	53 of 100 (Notable)
Burketown Post Office	Australia	Record daily precipitation	84.8 mm (3.3 in)	50 of 100 (Notable)
Nekarboo	Australia	Record daily precipitation	66.8 mm (2.6 in)	50 of 100 (Notable)
Tilcha	Australia	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
McKinlay Roadhouse	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Boolcoomatta	Australia	Record daily precipitation	29.7 mm (1.2 in)	23 of 100 (Routine)
White Cliffs (Yancannia)	Australia	Record daily precipitation	51.1 mm (2.0 in)	23 of 100 (Routine)
Uccle	Belgium	Record daily precipitation	15.1 mm (0.6 in)	20 of 100 (Routine)
Port Clinton (Yararoo)	Australia	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Moonaree	Australia	Record daily precipitation	5.3 mm (0.21 in)	20 of 100 (Routine)
Oxford	United Kingdom	Record high maximum temperature	14.6 C (58.3 F)	20 of 100 (Routine)
Whittata	Australia	Record daily precipitation	11.2 mm (0.4 in)	19 of 100 (Routine)
Fort Bourke	Australia	Record daily precipitation	25.4 mm (1.0 in)	19 of 100 (Routine)
Kerkwerve	Netherlands	Record daily precipitation	10.5 mm (0.4 in)	18 of 100 (Routine)
Tennant Creek Post Office	Australia	Record daily precipitation	13.2 mm (0.5 in)	17 of 100 (Routine)
Edmonton	Canada	Record high minimum temperature	6.1 C (43.0 F)	16 of 100 (Routine)
Athens	United States	Record daily precipitation	13.0 mm (0.5 in)	16 of 100 (Routine)
Tempe Downs	Australia	Record daily precipitation	11.9 mm (0.5 in)	14 of 100 (Routine)
Gilbert River Post Office	Australia	Record daily precipitation	32.8 mm (1.3 in)	14 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	18.3 C (64.9 F)	14 of 100 (Routine)
Swift Current	Canada	Record high maximum temperature	18.3 C (64.9 F)	14 of 100 (Routine)
Putten (Gld)	Netherlands	Record daily precipitation	12.1 mm (0.5 in)	14 of 100 (Routine)
Durham	United Kingdom	Record high maximum temperature	13.3 C (55.9 F)	14 of 100 (Routine)
Yalata	Australia	Record daily precipitation	1.3 mm (0.05 in)	13 of 100 (Routine)
Koomooloo	Australia	Record daily precipitation	10.4 mm (0.4 in)	13 of 100 (Routine)
Gorki	Belarus	Record daily precipitation	21.4 mm (0.8 in)	13 of 100 (Routine)
Minnedosa	Canada	Record high minimum temperature	2.2 C (36.0 F)	13 of 100 (Routine)
Huron Rgnl AP	United States	Record high minimum temperature	6.1 C (43.0 F)	13 of 100 (Routine)
Warooka	Australia	Record daily precipitation	2.0 mm (0.08 in)	12 of 100 (Routine)
Salisbury Downs	Australia	Record daily precipitation	12.7 mm (0.5 in)	12 of 100 (Routine)
Kaniva	Australia	Record daily precipitation	2.5 mm (0.10 in)	12 of 100 (Routine)
New Westminster	Canada	Record high maximum temperature	12.8 C (55.0 F)	12 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	14.4 C (57.9 F)	12 of 100 (Routine)
Hoorn	Netherlands	Record daily precipitation	11.2 mm (0.4 in)	12 of 100 (Routine)
Port Victoria	Australia	Record daily precipitation	6.6 mm (0.26 in)	11 of 100 (Routine)
Yorketown	Australia	Record daily precipitation	2.5 mm (0.10 in)	11 of 100 (Routine)
Fairlight Station	Australia	Record daily precipitation	13.2 mm (0.5 in)	11 of 100 (Routine)
Calgary Int'l A	Canada	Record high maximum temperature	16.1 C (61.0 F)	11 of 100 (Routine)
Prince Albert	Canada	Record high maximum temperature	12.2 C (54.0 F)	11 of 100 (Routine)
Peterborough (Dawson)	Australia	Record daily precipitation	1.0 mm (0.04 in)	10 of 100 (Routine)
Manfred	Australia	Record daily precipitation	5.6 mm (0.22 in)	10 of 100 (Routine)
New Westminster	Canada	Record daily precipitation	58.2 mm (2.3 in)	10 of 100 (Routine)
Karlshamn	Sweden	Record high minimum temperature	5.5 C (41.9 F)	10 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	5.0 C (41.0 F)	10 of 100 (Routine)
Charlotte Waters	Australia	Record daily precipitation	4.1 mm (0.16 in)	9 of 100 (Routine)
Talyealye	Australia	Record daily precipitation	10.2 mm (0.4 in)	9 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	3.3 C (37.9 F)	9 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	2.8 C (37.0 F)	8 of 100 (Routine)
Swift Current	Canada	Record high minimum temperature	6.7 C (44.1 F)	8 of 100 (Routine)
Cet Central England	United Kingdom	Record high maximum temperature	13.3 C (55.9 F)	8 of 100 (Routine)
Olympia Priest Pt Park	United States	Record high maximum temperature	18.3 C (64.9 F)	8 of 100 (Routine)
Port Germein	Australia	Record daily precipitation	6.9 mm (0.27 in)	7 of 100 (Routine)
New Westminster	Canada	Record high minimum temperature	9.4 C (48.9 F)	7 of 100 (Routine)
St Albans	Canada	Record high minimum temperature	1.7 C (35.1 F)	7 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	7.7 C (45.9 F)	7 of 100 (Routine)
Edmonton	Canada	Record high maximum temperature	15.0 C (59.0 F)	6 of 100 (Routine)
Peterborough	Canada	Record daily snowfall	7.6 cm (3.0 in)	4 of 100 (Routine)
Pooncarie (Mulurulu Station)	Australia	Record daily precipitation	3.8 mm (0.15 in)	3 of 100 (Routine)

Counts by Type and Timescale

65 records

Records set or tied on 20 November 1917 by type: Highest daily maximum 12, Highest daily minimum 15, Lowest daily minimum 1, Heaviest daily rainfall 36, Heaviest daily snowfall 1.

Records on 20 November 1917 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	0
Highest daily minimum	15
Lowest daily minimum	1
Heaviest daily rainfall	36
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 20 November 1917 by timescale: all-time 0, monthly 2, daily 63.

How Much Records Were Beaten By

58 broken records

Margins by which the 58 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 74.6. Ties are not counted.

Top 20 by Significance

20 November 1917

Top 20 records on 20 November 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 November 1917	Gum Lake (Albemarle), AU	daily rain	49.5 mm (1.9 in)	49.5 mm (1.9 in)	40 years	56 of 100 (Notable)
20 November 1917	Fulham Park, AU	daily rain	53.8 mm (2.1 in)	53.8 mm (2.1 in)	33 years	53 of 100 (Notable)
20 November 1917	Burketown Post Office, AU	daily rain	84.8 mm (3.3 in)	74.6 mm (2.9 in)	25 years	50 of 100 (Notable)
20 November 1917	Nekarboo, AU	daily rain	66.8 mm (2.6 in)	61.0 mm (2.4 in)	25 years	50 of 100 (Notable)
20 November 1917	Tilcha, AU	daily rain	31.8 mm (1.3 in)	30.0 mm (1.2 in)	24 years	34 of 100 (Routine)
20 November 1917	McKinlay Roadhouse, AU	daily rain	27.9 mm (1.1 in)	27.9 mm (1.1 in)	29 years	30 of 100 (Routine)
20 November 1917	Medicine Hat A, CA	monthly high min	12.2 C (54.0 F)	2.2 C (4.0 F)	30 years	24 of 100 (Routine)
20 November 1917	Boolcoomatta, AU	daily rain	29.7 mm (1.2 in)	21.3 mm (0.8 in)	8 years	23 of 100 (Routine)
20 November 1917	White Cliffs (Yancannia), AU	monthly rain	51.1 mm (2.0 in)	0.3 mm (0.01 in)	30 years	23 of 100 (Routine)
20 November 1917	Uccle, BE	daily rain	15.1 mm (0.6 in)	8.7 mm (0.34 in)	26 years	20 of 100 (Routine)
20 November 1917	Port Clinton (Yararoo), AU	daily rain	20.8 mm (0.8 in)	12.9 mm (0.5 in)	7 years	20 of 100 (Routine)
20 November 1917	Moonaree, AU	daily rain	5.3 mm (0.21 in)	5.3 mm (0.21 in)	32 years	20 of 100 (Routine)
20 November 1917	Oxford, GB	daily high max	14.6 C (58.3 F)	0.2 C (0.4 F)	35 years	20 of 100 (Routine)
20 November 1917	Whittata, AU	daily rain	11.2 mm (0.4 in)	6.6 mm (0.26 in)	8 years	19 of 100 (Routine)
20 November 1917	Fort Bourke, AU	daily rain	25.4 mm (1.0 in)	14.2 mm (0.6 in)	23 years	19 of 100 (Routine)
20 November 1917	Kerkwerve, NL	daily rain	10.5 mm (0.4 in)	2.5 mm (0.10 in)	32 years	18 of 100 (Routine)
20 November 1917	Tennant Creek Post Office, AU	daily rain	13.2 mm (0.5 in)	6.3 mm (0.25 in)	20 years	17 of 100 (Routine)
20 November 1917	Edmonton, CA	daily high min	6.1 C (43.0 F)	4.4 C (7.9 F)	26 years	16 of 100 (Routine)
20 November 1917	Athens, US	daily rain	13.0 mm (0.5 in)	8.9 mm (0.35 in)	12 years	16 of 100 (Routine)
20 November 1917	Tempe Downs, AU	daily rain	11.9 mm (0.5 in)	5.3 mm (0.21 in)	20 years	14 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 1917

Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 65 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 1917-11-20: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	48
10 to 20	3
20 to 30	2
30 to 40	1
40 to 50	1
50 to 60	1
60 to 70	1
70 to 80	1