Weather Records on 30 October 1940

251 weather records were set or tied worldwide on 30 October 1940. Highest significance: Kazalinsk, KZ.

Key Facts for 30 October 1940

On 30 October 1940, 251 weather records were set or tied at long-record stations worldwide.
72 were record highs and 77 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 31 monthly and 220 daily.
Kazalinsk set a daily record precipitation of 26.0 mm (1.0 in) on 30 October 1940.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 492 records.

Record Map

251 stations

251 station records on 30 October 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kazalinsk	Kazakhstan	Record daily precipitation	26.0 mm (1.0 in)	58 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record snow depth	18.0 cm (7.1 in)	53 of 100 (Notable)
Kirnur Nam	India	Record daily precipitation	171.5 mm (6.8 in)	49 of 100 (Notable)
Jena Sternwarte	Germany	Record low maximum temperature	0.1 C (32.2 F)	41 of 100 (Notable)
Sewanee	United States	Record daily precipitation	72.4 mm (2.9 in)	37 of 100 (Notable)
Garsebach Bei Meissen	Germany	Record snow depth	13.0 cm (5.1 in)	36 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low maximum temperature	-0.7 C (30.7 F)	35 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record daily precipitation	67.6 mm (2.7 in)	34 of 100 (Routine)
Arnsberg	Germany	Record low maximum temperature	0.8 C (33.4 F)	34 of 100 (Routine)
Bancroft	Canada	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
Uccle	Belgium	Record low minimum temperature	-5.5 C (22.1 F)	31 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record low maximum temperature	0.0 C (32.0 F)	31 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low maximum temperature	-3.5 C (25.7 F)	31 of 100 (Routine)
Jakutsk	Russia	Record low minimum temperature	-38.3 C (-36.9 F)	29 of 100 (Routine)
Ft Ripley	United States	Record daily precipitation	53.8 mm (2.1 in)	28 of 100 (Routine)
Greensboro Lock 7	United States	Record daily precipitation	25.1 mm (1.0 in)	28 of 100 (Routine)
Timovskoe	Russia	Record low minimum temperature	-20.3 C (-4.5 F)	27 of 100 (Routine)
Cascade Locks	United States	Record daily precipitation	49.8 mm (2.0 in)	27 of 100 (Routine)
Chemnitz	Germany	Record snow depth	15.0 cm (5.9 in)	26 of 100 (Routine)
Muenster	Germany	Record low maximum temperature	2.1 C (35.8 F)	25 of 100 (Routine)
Hohenpeissenberg	Germany	Record low maximum temperature	-3.3 C (26.1 F)	25 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	-0.1 C (31.8 F)	25 of 100 (Routine)
Gorlitz	Germany	Record low maximum temperature	-0.3 C (31.5 F)	25 of 100 (Routine)
Elizabeth	United States	Record daily precipitation	40.6 mm (1.6 in)	25 of 100 (Routine)
Honomanu 450	United States	Record high minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Sandvig	Denmark	Record low minimum temperature	-1.0 C (30.2 F)	24 of 100 (Routine)
Gorlitz	Germany	Record low minimum temperature	-4.0 C (24.8 F)	24 of 100 (Routine)
Salekhard	Russia	Record low minimum temperature	-26.9 C (-16.4 F)	24 of 100 (Routine)
Centralia	United States	Record daily precipitation	25.7 mm (1.0 in)	24 of 100 (Routine)
Haleakala Rch 432	United States	Record daily precipitation	66.0 mm (2.6 in)	24 of 100 (Routine)
Halle	Germany	Record low maximum temperature	0.1 C (32.2 F)	23 of 100 (Routine)
Altastenberg	Germany	Record low maximum temperature	-3.2 C (26.2 F)	23 of 100 (Routine)
Tobolsk	Russia	Record low minimum temperature	-24.8 C (-12.6 F)	23 of 100 (Routine)
Scottsboro	United States	Record daily precipitation	35.8 mm (1.4 in)	23 of 100 (Routine)
Creston	United States	Record daily precipitation	25.4 mm (1.0 in)	23 of 100 (Routine)
Cottbus	Germany	Record low maximum temperature	0.1 C (32.2 F)	22 of 100 (Routine)
Plauen	Germany	Record low maximum temperature	-0.4 C (31.3 F)	22 of 100 (Routine)
Chemnitz	Germany	Record low minimum temperature	-4.3 C (24.3 F)	22 of 100 (Routine)
Maastricht-1	Netherlands	Record low maximum temperature	0.5 C (32.9 F)	22 of 100 (Routine)
Maastricht	Netherlands	Record low maximum temperature	-0.4 C (31.3 F)	22 of 100 (Routine)
Greenville Dwtn AP	United States	Record daily precipitation	34.3 mm (1.4 in)	22 of 100 (Routine)
Savannah 6 SW	United States	Record daily precipitation	40.4 mm (1.6 in)	22 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record low minimum temperature	-4.8 C (23.4 F)	21 of 100 (Routine)
Aachen	Germany	Record low maximum temperature	0.2 C (32.4 F)	21 of 100 (Routine)
West Souburg	Netherlands	Record low maximum temperature	3.4 C (38.1 F)	21 of 100 (Routine)
Batesville	United States	Record daily precipitation	28.7 mm (1.1 in)	21 of 100 (Routine)
Passau-Maierhof	Germany	Record snow depth	7.0 cm (2.8 in)	20 of 100 (Routine)
Davenport	United States	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Tashkent	Uzbekistan	Record daily precipitation	22.3 mm (0.9 in)	20 of 100 (Routine)
Jena Sternwarte	Germany	Record snow depth	6.0 cm (2.4 in)	20 of 100 (Routine)
Plauen	Germany	Record snow depth	8.0 cm (3.1 in)	20 of 100 (Routine)
Soltau	Germany	Record snow depth	1.0 cm (0.4 in)	20 of 100 (Routine)
Yamburgan	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Magdeburg	Germany	Record snow depth	2.0 cm (0.8 in)	20 of 100 (Routine)
Bajramaly	Turkmenistan	Record daily precipitation	11.5 mm (0.5 in)	20 of 100 (Routine)
Newell	United States	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
West Newton	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Fairmont	United States	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Colville	United States	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Jena Sternwarte	Germany	Record daily precipitation	12.1 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

251 records

Records set or tied on 30 October 1940 by type: Highest daily maximum 30, Lowest daily maximum 44, Highest daily minimum 42, Lowest daily minimum 33, Heaviest daily rainfall 87, Heaviest daily snowfall 3, Deepest snow cover 12.

Records on 30 October 1940 by type
Record type	Records
Highest daily maximum	30
Lowest daily maximum	44
Highest daily minimum	42
Lowest daily minimum	33
Heaviest daily rainfall	87
Heaviest daily snowfall	3
Deepest snow cover	12

Records on 30 October 1940 by timescale: all-time 0, monthly 31, daily 220.

How Much Records Were Beaten By

203 broken records

Margins by which the 203 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

30 October 1940

Top 20 records on 30 October 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1940	Kazalinsk, KZ	daily rain	26.0 mm (1.0 in)	19.8 mm (0.8 in)	40 years	58 of 100 (Notable)
30 October 1940	Leipzig-Holzhausen, DE	monthly snow depth	18.0 cm (7.1 in)	15.0 cm (5.9 in)	71 years	53 of 100 (Notable)
30 October 1940	Kirnur Nam, IN	daily rain	171.5 mm (6.8 in)	115.6 mm (4.6 in)	19 years	49 of 100 (Notable)
30 October 1940	Jena Sternwarte, DE	daily low max	0.1 C (32.2 F)	0.9 C (1.6 F)	111 years	41 of 100 (Notable)
30 October 1940	Sewanee, US	daily rain	72.4 mm (2.9 in)	43.7 mm (1.7 in)	22 years	37 of 100 (Notable)
30 October 1940	Garsebach Bei Meissen, DE	monthly snow depth	13.0 cm (5.1 in)	13.0 cm (5.1 in)	35 years	36 of 100 (Notable)
30 October 1940	Leipzig-Holzhausen, DE	monthly low max	-0.7 C (30.7 F)	0.6 C (1.1 F)	58 years	35 of 100 (Notable)
30 October 1940	Sarajevo, BA	monthly rain	67.6 mm (2.7 in)	18.2 mm (0.7 in)	4 years	34 of 100 (Routine)
30 October 1940	Arnsberg, DE	monthly low max	0.8 C (33.4 F)	0.5 C (0.9 F)	58 years	34 of 100 (Routine)
30 October 1940	Bancroft, CA	daily snowfall	7.6 cm (3.0 in)	6.3 cm (2.5 in)	54 years	33 of 100 (Routine)
30 October 1940	Uccle, BE	daily low min	-5.5 C (22.1 F)	2.5 C (4.5 F)	48 years	31 of 100 (Routine)
30 October 1940	Augsburg (Sankt Stephan), DE	monthly low max	0.0 C (32.0 F)	0.7 C (1.3 F)	48 years	31 of 100 (Routine)
30 October 1940	Clausthal-Zellerfeld, DE	monthly low max	-3.5 C (25.7 F)	1.9 C (3.4 F)	42 years	31 of 100 (Routine)
30 October 1940	Jakutsk, RU	monthly low min	-38.3 C (-36.9 F)	3.1 C (5.6 F)	39 years	29 of 100 (Routine)
30 October 1940	Ft Ripley, US	monthly rain	53.8 mm (2.1 in)	4.3 mm (0.17 in)	25 years	28 of 100 (Routine)
30 October 1940	Greensboro Lock 7, US	daily rain	25.1 mm (1.0 in)	17.5 mm (0.7 in)	23 years	28 of 100 (Routine)
30 October 1940	Timovskoe, RU	daily low min	-20.3 C (-4.5 F)	3.1 C (5.6 F)	53 years	27 of 100 (Routine)
30 October 1940	Cascade Locks, US	daily rain	49.8 mm (2.0 in)	12.7 mm (0.5 in)	43 years	27 of 100 (Routine)
30 October 1940	Chemnitz, DE	monthly snow depth	15.0 cm (5.9 in)	10.0 cm (3.9 in)	5 years	26 of 100 (Routine)
30 October 1940	Muenster, DE	monthly low max	2.1 C (35.8 F)	0.1 C (0.2 F)	35 years	25 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

1799 to 1940

Records set or tied on this calendar date in each year from 1799 to 1940. 1940 had 251 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 1940-10-30: 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 20	187
20 to 40	8
40 to 60	1
60 to 80	2
80 to 100	1
100 to 120	2
120 to 140	1
140 to 160	1