Weather Records on 30 October 1946

826 weather records were set or tied worldwide on 30 October 1946. Highest significance: Chicoutimi, CA.

Key Facts for 30 October 1946

On 30 October 1946, 826 weather records were set or tied at long-record stations worldwide.
672 were record highs and 64 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 809 daily.
Chicoutimi set a daily record precipitation of 34.3 mm (1.4 in) on 30 October 1946.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 488 records.

Record Map

826 stations

826 station records on 30 October 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chicoutimi	Canada	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Toronto	Canada	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Corinne	United States	Record daily precipitation	40.6 mm (1.6 in)	39 of 100 (Notable)
Romney 1 SW	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Trenton 2	United States	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Castlewood	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Belleville	Canada	Record high maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Cloquet	United States	Record daily precipitation	29.7 mm (1.2 in)	36 of 100 (Notable)
Srivaikuntam	India	Record daily precipitation	83.8 mm (3.3 in)	35 of 100 (Notable)
Summit Grd STN	United States	Record daily snowfall	25.4 cm (10.0 in)	34 of 100 (Routine)
Escanaba	United States	Record high maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Hyannis	United States	Record high maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Thamaraikulam	India	Record daily precipitation	82.8 mm (3.3 in)	31 of 100 (Routine)
Little Falls 2NNE	United States	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Central Michigan UNIV	United States	Record high minimum temperature	17.2 C (63.0 F)	30 of 100 (Routine)
Setauket Strong	United States	Record high maximum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Rosalia	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Iron River	United States	Record daily precipitation	48.3 mm (1.9 in)	30 of 100 (Routine)
Superior	United States	Record daily precipitation	47.5 mm (1.9 in)	30 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	27.8 C (82.0 F)	30 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Toronto	Canada	Record high maximum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Alma	United States	Record high minimum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
W Branch 3SE	United States	Record high minimum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Meadowlands 9 S	United States	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Orillia	Canada	Record high minimum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
Middletown 4 W	United States	Record high maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Saint Maries	United States	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Kalamazoo State Hospital	United States	Record high minimum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
Angelica	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Avon	United States	Record high minimum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
The Dalles	United States	Record low minimum temperature	-6.1 C (21.0 F)	28 of 100 (Routine)
Guelph Oac	Canada	Record high maximum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Midland 2	United States	Record high minimum temperature	18.3 C (64.9 F)	27 of 100 (Routine)
Trenton 2	United States	Record high maximum temperature	27.8 C (82.0 F)	27 of 100 (Routine)
Mohonk Lake	United States	Record high maximum temperature	25.0 C (77.0 F)	27 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Collingwood	Canada	Record high maximum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Simcoe	Canada	Record high minimum temperature	16.7 C (62.1 F)	26 of 100 (Routine)
Wallaceburg	Canada	Record high minimum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
Guelph Oac	Canada	Record high minimum temperature	15.6 C (60.1 F)	26 of 100 (Routine)
Toronto Agincourt	Canada	Record high maximum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Paso Robles	United States	Record low minimum temperature	-6.1 C (21.0 F)	26 of 100 (Routine)
Cheboygan	United States	Record high minimum temperature	11.7 C (53.1 F)	26 of 100 (Routine)
Hastings	United States	Record high minimum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Brunswick	United States	Record high minimum temperature	19.4 C (66.9 F)	26 of 100 (Routine)
Dickinson Exp STN	United States	Record daily snowfall	8.1 cm (3.2 in)	26 of 100 (Routine)
Oberlin	United States	Record high minimum temperature	16.1 C (61.0 F)	26 of 100 (Routine)
Wagoner	United States	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Ganca	Azerbaijan	Record low maximum temperature	7.7 C (45.9 F)	25 of 100 (Routine)
Owen Sound	Canada	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Stratford	Canada	Record high minimum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Oakland	United States	Record low minimum temperature	2.8 C (37.0 F)	25 of 100 (Routine)
Bloomingdale	United States	Record high minimum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
E Tawas	United States	Record high maximum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Trenton	United States	Record high minimum temperature	18.9 C (66.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

826 records

Records set or tied on 30 October 1946 by type: Highest daily maximum 315, Lowest daily maximum 20, Highest daily minimum 357, Lowest daily minimum 44, Heaviest daily rainfall 70, Heaviest daily snowfall 17, Deepest snow cover 3.

Records on 30 October 1946 by type
Record type	Records
Highest daily maximum	315
Lowest daily maximum	20
Highest daily minimum	357
Lowest daily minimum	44
Heaviest daily rainfall	70
Heaviest daily snowfall	17
Deepest snow cover	3

Records on 30 October 1946 by timescale: all-time 0, monthly 17, daily 809.

How Much Records Were Beaten By

674 broken records

Margins by which the 674 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

30 October 1946

Top 20 records on 30 October 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1946	Chicoutimi, CA	daily rain	34.3 mm (1.4 in)	17.8 mm (0.7 in)	49 years	45 of 100 (Notable)
30 October 1946	Toronto, CA	daily high min	15.0 C (59.0 F)	2.2 C (4.0 F)	91 years	41 of 100 (Notable)
30 October 1946	Corinne, US	daily rain	40.6 mm (1.6 in)	33.0 mm (1.3 in)	9 years	39 of 100 (Notable)
30 October 1946	Romney 1 SW, US	monthly high min	25.0 C (77.0 F)	5.0 C (9.0 F)	48 years	38 of 100 (Notable)
30 October 1946	Trenton 2, US	daily high min	15.0 C (59.0 F)	2.8 C (5.0 F)	78 years	37 of 100 (Notable)
30 October 1946	Castlewood, US	daily rain	25.4 mm (1.0 in)	19.6 mm (0.8 in)	16 years	37 of 100 (Notable)
30 October 1946	Belleville, CA	daily high max	20.6 C (69.1 F)	2.8 C (5.0 F)	78 years	36 of 100 (Notable)
30 October 1946	Cloquet, US	daily rain	29.7 mm (1.2 in)	22.1 mm (0.9 in)	19 years	36 of 100 (Notable)
30 October 1946	Srivaikuntam, IN	daily rain	83.8 mm (3.3 in)	39.3 mm (1.5 in)	24 years	35 of 100 (Notable)
30 October 1946	Summit Grd STN, US	daily snowfall	25.4 cm (10.0 in)	15.2 cm (6.0 in)	45 years	34 of 100 (Routine)
30 October 1946	Escanaba, US	daily high max	23.3 C (73.9 F)	7.2 C (13.0 F)	44 years	34 of 100 (Routine)
30 October 1946	Hyannis, US	daily high max	25.6 C (78.1 F)	5.0 C (9.0 F)	49 years	32 of 100 (Routine)
30 October 1946	Woodstock, CA	daily high min	15.6 C (60.1 F)	4.5 C (8.1 F)	51 years	31 of 100 (Routine)
30 October 1946	Thamaraikulam, IN	daily rain	82.8 mm (3.3 in)	41.1 mm (1.6 in)	12 years	31 of 100 (Routine)
30 October 1946	Little Falls 2NNE, US	daily rain	36.6 mm (1.4 in)	20.6 mm (0.8 in)	19 years	31 of 100 (Routine)
30 October 1946	Central Michigan UNIV, US	daily high min	17.2 C (63.0 F)	6.1 C (11.0 F)	45 years	30 of 100 (Routine)
30 October 1946	Setauket Strong, US	daily high max	26.7 C (80.1 F)	4.5 C (8.1 F)	49 years	30 of 100 (Routine)
30 October 1946	Rosalia, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	52 years	30 of 100 (Routine)
30 October 1946	Iron River, US	monthly rain	48.3 mm (1.9 in)	5.9 mm (0.23 in)	31 years	30 of 100 (Routine)
30 October 1946	Superior, US	daily rain	47.5 mm (1.9 in)	25.7 mm (1.0 in)	4 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

1799 to 1946

Records set or tied on this calendar date in each year from 1799 to 1946. 1946 had 826 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 1946-10-30: 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	654
20 to 40	13
40 to 60	4
60 to 80	2
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	1