Weather Records on 31 October 1920

63 weather records were set or tied worldwide on 31 October 1920. Highest significance: Bologna, IT.

Key Facts for 31 October 1920

On 31 October 1920, 63 weather records were set or tied at long-record stations worldwide.
3 were record highs and 50 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 47 daily.
Bologna set a monthly record low minimum temperature of -1.6 C (29.1 F) on 31 October 1920.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 474 records.

Record Map

63 stations

63 station records on 31 October 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bologna	Italy	Record low minimum temperature	-1.6 C (29.1 F)	39 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	52.6 mm (2.1 in)	31 of 100 (Routine)
Berlin-Dahlem	Germany	Record low minimum temperature	-7.8 C (18.0 F)	29 of 100 (Routine)
Jena Sternwarte	Germany	Record low minimum temperature	-10.9 C (12.4 F)	26 of 100 (Routine)
Kiev	Ukraine	Record low maximum temperature	-9.3 C (15.3 F)	25 of 100 (Routine)
Kremsmuenster	Austria	Record low minimum temperature	-7.3 C (18.9 F)	24 of 100 (Routine)
Darwin Post Office	Australia	Record high maximum temperature	37.1 C (98.8 F)	23 of 100 (Routine)
Praha-Klementinum	Czech Republic	Record low minimum temperature	-7.5 C (18.5 F)	23 of 100 (Routine)
Zametchino	Russia	Record low minimum temperature	-17.2 C (1.0 F)	23 of 100 (Routine)
Wien	Austria	Record low maximum temperature	-1.1 C (30.0 F)	22 of 100 (Routine)
Sandvig	Denmark	Record low minimum temperature	-3.6 C (25.5 F)	22 of 100 (Routine)
Zagreb-Gric	Croatia	Record low minimum temperature	-5.8 C (21.6 F)	22 of 100 (Routine)
Wien	Austria	Record low minimum temperature	-9.1 C (15.6 F)	21 of 100 (Routine)
Kirchdorf/Poel	Germany	Record low minimum temperature	-4.5 C (23.9 F)	21 of 100 (Routine)
Waren	Germany	Record low maximum temperature	-0.6 C (30.9 F)	21 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low minimum temperature	-16.5 C (2.3 F)	21 of 100 (Routine)
Culbertson	United States	Record daily precipitation	27.9 mm (1.1 in)	21 of 100 (Routine)
Astoria	United States	Record low minimum temperature	2.8 C (37.0 F)	21 of 100 (Routine)
Carrieton (Pamatta)	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Oxford	United Kingdom	Record daily precipitation	18.2 mm (0.7 in)	20 of 100 (Routine)
Needles	United States	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	-8.0 C (17.6 F)	19 of 100 (Routine)
Plauen	Germany	Record low minimum temperature	-6.3 C (20.7 F)	19 of 100 (Routine)
Ekaterinburg	Russia	Record low minimum temperature	-20.9 C (-5.6 F)	19 of 100 (Routine)
Simferopol	Ukraine	Record low minimum temperature	-11.1 C (12.0 F)	19 of 100 (Routine)
David City 4E	United States	Record daily precipitation	39.4 mm (1.6 in)	19 of 100 (Routine)
Bamberg	Germany	Record low minimum temperature	-7.5 C (18.5 F)	18 of 100 (Routine)
Nurnberg	Germany	Record low minimum temperature	-7.5 C (18.5 F)	18 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low minimum temperature	-6.3 C (20.7 F)	18 of 100 (Routine)
St. Petersburg	Russia	Record low minimum temperature	-12.7 C (9.1 F)	18 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record low minimum temperature	-16.9 C (1.6 F)	18 of 100 (Routine)
Vastervik	Sweden	Record low minimum temperature	-5.0 C (23.0 F)	18 of 100 (Routine)
Uman	Ukraine	Record low minimum temperature	-19.8 C (-3.6 F)	18 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record low minimum temperature	-8.2 C (17.2 F)	17 of 100 (Routine)
Altastenberg	Germany	Record low minimum temperature	-8.5 C (16.7 F)	17 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	-23.4 C (-10.1 F)	17 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	3.0 mm (0.12 in)	16 of 100 (Routine)
Bollon Mary St	Australia	Record daily precipitation	12.7 mm (0.5 in)	16 of 100 (Routine)
Lubeck-Werft	Germany	Record low minimum temperature	-4.0 C (24.8 F)	16 of 100 (Routine)
Weissenburg	Germany	Record low minimum temperature	-8.8 C (16.2 F)	16 of 100 (Routine)
Kiev	Ukraine	Record low minimum temperature	-17.8 C (0.0 F)	16 of 100 (Routine)
Nordby (Fano)	Denmark	Record low minimum temperature	-3.0 C (26.6 F)	15 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	-5.1 C (22.8 F)	15 of 100 (Routine)
Zagreb-Gric	Croatia	Record low maximum temperature	0.2 C (32.4 F)	15 of 100 (Routine)
Mahackala	Russia	Record low minimum temperature	-0.5 C (31.1 F)	15 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	-4.0 C (24.8 F)	15 of 100 (Routine)
Goondiwindi Post Office	Australia	Record daily precipitation	2.5 mm (0.10 in)	14 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record low minimum temperature	-4.3 C (24.3 F)	14 of 100 (Routine)
Cottbus	Germany	Record low minimum temperature	-10.2 C (13.6 F)	14 of 100 (Routine)
Waren	Germany	Record low minimum temperature	-5.3 C (22.5 F)	13 of 100 (Routine)
Tashkent	Uzbekistan	Record high minimum temperature	13.8 C (56.8 F)	13 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low minimum temperature	-5.2 C (22.6 F)	12 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record low maximum temperature	3.5 C (38.3 F)	11 of 100 (Routine)
Enisejsk	Russia	Record low minimum temperature	-27.8 C (-18.0 F)	11 of 100 (Routine)
Surat	Australia	Record daily precipitation	5.1 mm (0.20 in)	10 of 100 (Routine)
Wrixum/Fohr	Germany	Record low minimum temperature	-1.5 C (29.3 F)	10 of 100 (Routine)
Tobolsk	Russia	Record low minimum temperature	-22.0 C (-7.6 F)	8 of 100 (Routine)
Tashkent	Uzbekistan	Record high maximum temperature	27.2 C (81.0 F)	7 of 100 (Routine)
Perm	Russia	Record low minimum temperature	-18.1 C (-0.6 F)	6 of 100 (Routine)
Ekaterinburg	Russia	Record low maximum temperature	-10.0 C (14.0 F)	6 of 100 (Routine)

Counts by Type and Timescale

63 records

Records set or tied on 31 October 1920 by type: Highest daily maximum 2, Lowest daily maximum 8, Highest daily minimum 1, Lowest daily minimum 42, Heaviest daily rainfall 10.

Records on 31 October 1920 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	8
Highest daily minimum	1
Lowest daily minimum	42
Heaviest daily rainfall	10
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 October 1920 by timescale: all-time 0, monthly 16, daily 47.

How Much Records Were Beaten By

60 broken records

Margins by which the 60 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.2. Ties are not counted.

Top 20 by Significance

31 October 1920

Top 20 records on 31 October 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 1920	Bologna, IT	monthly low min	-1.6 C (29.1 F)	1.6 C (2.9 F)	51 years	39 of 100 (Notable)
31 October 1920	Lincoln UNIV Pwr Plt, US	daily rain	52.6 mm (2.1 in)	25.2 mm (1.0 in)	11 years	31 of 100 (Routine)
31 October 1920	Berlin-Dahlem, DE	daily low min	-7.8 C (18.0 F)	5.6 C (10.1 F)	38 years	29 of 100 (Routine)
31 October 1920	Jena Sternwarte, DE	monthly low min	-10.9 C (12.4 F)	1.7 C (3.1 F)	12 years	26 of 100 (Routine)
31 October 1920	Kiev, UA	daily low max	-9.3 C (15.3 F)	6.2 C (11.2 F)	38 years	25 of 100 (Routine)
31 October 1920	Kremsmuenster, AT	daily low min	-7.3 C (18.9 F)	4.3 C (7.7 F)	28 years	24 of 100 (Routine)
31 October 1920	Darwin Post Office, AU	daily high max	37.1 C (98.8 F)	1.5 C (2.7 F)	30 years	23 of 100 (Routine)
31 October 1920	Praha-Klementinum, CZ	monthly low min	-7.5 C (18.5 F)	1.2 C (2.2 F)	0 years	23 of 100 (Routine)
31 October 1920	Zametchino, RU	daily low min	-17.2 C (1.0 F)	4.2 C (7.6 F)	38 years	23 of 100 (Routine)
31 October 1920	Wien, AT	daily low max	-1.1 C (30.0 F)	2.3 C (4.1 F)	38 years	22 of 100 (Routine)
31 October 1920	Sandvig, DK	monthly low min	-3.6 C (25.5 F)	1.8 C (3.2 F)	8 years	22 of 100 (Routine)
31 October 1920	Zagreb-Gric, HR	daily low min	-5.8 C (21.6 F)	4.0 C (7.2 F)	28 years	22 of 100 (Routine)
31 October 1920	Wien, AT	monthly low min	-9.1 C (15.6 F)	1.9 C (3.4 F)	0 years	21 of 100 (Routine)
31 October 1920	Kirchdorf/Poel, DE	daily low min	-4.5 C (23.9 F)	3.4 C (6.1 F)	28 years	21 of 100 (Routine)
31 October 1920	Waren, DE	monthly low max	-0.6 C (30.9 F)	1.2 C (2.2 F)	22 years	21 of 100 (Routine)
31 October 1920	Bogoroditskoye-Fenino, RU	daily low min	-16.5 C (2.3 F)	4.7 C (8.5 F)	28 years	21 of 100 (Routine)
31 October 1920	Culbertson, US	daily rain	27.9 mm (1.1 in)	16.2 mm (0.6 in)	18 years	21 of 100 (Routine)
31 October 1920	Astoria, US	daily low min	2.8 C (37.0 F)	2.2 C (4.0 F)	31 years	21 of 100 (Routine)
31 October 1920	Carrieton (Pamatta), AU	daily rain	7.6 mm (0.30 in)	6.3 mm (0.25 in)	35 years	20 of 100 (Routine)
31 October 1920	Oxford, GB	daily rain	18.2 mm (0.7 in)	3.2 mm (0.13 in)	27 years	20 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

1805 to 1920

Records set or tied on this calendar date in each year from 1805 to 1920. 1920 had 63 records.

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

Records on 10-31 in each year
Year	Records
1805	1
1811	2
1828	1
1836	1
1838	1
1839	1
1841	1
1845	1
1847	2
1848	1
1852	2
1856	1
1865	1
1868	1
1869	3
1873	2
1875	2
1876	1
1877	1
1878	1
1879	1
1880	1
1881	6
1883	1
1884	3
1886	1
1887	2
1888	3
1889	5
1891	3
1892	4
1893	3
1894	5
1895	4
1896	10
1897	1
1898	5
1899	4
1900	5
1901	4
1902	5
1903	5
1904	7
1905	21
1906	38
1907	22
1908	13
1909	15
1910	18
1911	32
1912	14
1913	39
1914	33
1915	11
1916	72
1917	67
1918	72
1919	112
1920	63
1921	22
1922	72
1923	359
1924	244
1925	405
1926	153
1927	183
1928	120
1929	234
1930	240
1931	178
1932	260
1933	796
1934	410
1935	981
1936	307
1937	335
1938	399
1939	415
1940	248
1941	536
1942	578
1943	213
1944	611
1945	287
1946	530
1947	371
1948	695
1949	831
1950	1,237
1951	527
1952	393
1953	303
1954	460
1955	427
1956	1,086
1957	392
1958	314
1959	484
1960	296
1961	511
1962	344
1963	631
1964	538
1965	340
1966	630
1967	748
1968	605
1969	531
1970	412
1971	992
1972	1,234
1973	581
1974	1,192
1975	827
1976	655
1977	616
1978	538
1979	1,130
1980	657
1981	497
1982	560
1983	782
1984	1,054
1985	632
1986	396
1987	1,002
1988	1,058
1989	857
1990	990
1991	3,294
1992	1,324
1993	2,926
1994	1,004
1995	1,051
1996	1,074
1997	1,553
1998	1,410
1999	997
2000	1,114
2001	1,218
2002	1,613
2003	1,167
2004	870
2005	1,048
2006	842
2007	613
2008	1,256
2009	1,030
2010	931
2011	746
2012	884
2013	623
2014	547
2015	691
2016	1,012
2017	437
2018	414
2019	2,501
2020	542
2021	469
2022	497
2023	960
2024	1,133
2025	314

Download the Data

Data for records on 1920-10-31: 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 5	51
5 to 10	7
10 to 15	0
15 to 20	1
20 to 25	0
25 to 30	1