Weather Records on 1 October 1945

677 weather records were set or tied worldwide on 1 October 1945. Highest significance: Chatham 2, CA.

Key Facts for 1 October 1945

On 1 October 1945, 677 weather records were set or tied at long-record stations worldwide.
87 were record highs and 185 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 35 monthly and 642 daily.
Chatham 2 set a monthly record daily precipitation of 97.3 mm (3.8 in) on 1 October 1945.
Across 161 earlier years (1813 to 2026) the same calendar date averaged 435 records.

Record Map

677 stations

677 station records on 1 October 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 October 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chatham 2	Canada	Record daily precipitation	97.3 mm (3.8 in)	72 of 100 (Major)
Simcoe	Canada	Record daily precipitation	102.9 mm (4.1 in)	70 of 100 (Major)
Hamilton	Canada	Record daily precipitation	65.0 mm (2.6 in)	65 of 100 (Major)
Goderich	Canada	Record daily precipitation	43.4 mm (1.7 in)	59 of 100 (Notable)
Brockville	Canada	Record daily precipitation	51.1 mm (2.0 in)	58 of 100 (Notable)
Port Dover	Canada	Record daily precipitation	69.3 mm (2.7 in)	57 of 100 (Notable)
Toledo Blade	United States	Record daily precipitation	67.1 mm (2.6 in)	57 of 100 (Notable)
Kerakat	India	Record daily precipitation	174.0 mm (6.9 in)	56 of 100 (Notable)
Plymouth Pwr Substn	United States	Record daily precipitation	88.4 mm (3.5 in)	56 of 100 (Notable)
Jerrys Plains Post Office	Australia	Record daily precipitation	52.8 mm (2.1 in)	55 of 100 (Notable)
Welland	Canada	Record daily precipitation	47.5 mm (1.9 in)	55 of 100 (Notable)
Lucan	Canada	Record daily precipitation	62.2 mm (2.4 in)	50 of 100 (Notable)
Patan	India	Record daily precipitation	66.8 mm (2.6 in)	49 of 100 (Notable)
Henderson 8 SSW	United States	Record daily precipitation	58.4 mm (2.3 in)	48 of 100 (Notable)
Deogaon Lalganj	India	Record daily precipitation	99.3 mm (3.9 in)	47 of 100 (Notable)
Shahjahanpur	India	Record daily precipitation	233.7 mm (9.2 in)	47 of 100 (Notable)
Wauseon Wtp	United States	Record daily precipitation	80.3 mm (3.2 in)	47 of 100 (Notable)
Manjhanpur	India	Record daily precipitation	80.3 mm (3.2 in)	46 of 100 (Notable)
Angola	United States	Record daily precipitation	80.0 mm (3.1 in)	46 of 100 (Notable)
Aberdeen (Main Rd)	Australia	Record daily precipitation	39.4 mm (1.6 in)	45 of 100 (Notable)
Sedgefield (Bundajon)	Australia	Record daily precipitation	61.0 mm (2.4 in)	45 of 100 (Notable)
Basti	India	Record daily precipitation	176.5 mm (6.9 in)	45 of 100 (Notable)
Walkerton	Canada	Record daily precipitation	47.8 mm (1.9 in)	44 of 100 (Notable)
Columbia City	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Lockport 2SE	United States	Record daily precipitation	73.9 mm (2.9 in)	43 of 100 (Notable)
Belleville	Canada	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Bhandaria	India	Record daily precipitation	87.4 mm (3.4 in)	42 of 100 (Notable)
Dalmau	India	Record daily precipitation	53.8 mm (2.1 in)	42 of 100 (Notable)
Pine Bluff	United States	Record daily precipitation	170.9 mm (6.7 in)	42 of 100 (Notable)
Huntington	United States	Record daily precipitation	61.2 mm (2.4 in)	42 of 100 (Notable)
Mirannie	Australia	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Lucknow	Canada	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Wallaceburg	Canada	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)
Tilhar	India	Record daily precipitation	159.5 mm (6.3 in)	41 of 100 (Notable)
Rouchel Brook	Australia	Record daily precipitation	47.2 mm (1.9 in)	39 of 100 (Notable)
Paulding	United States	Record daily precipitation	56.1 mm (2.2 in)	39 of 100 (Notable)
Brantford	Canada	Record daily precipitation	39.9 mm (1.6 in)	38 of 100 (Notable)
Shahganj	India	Record daily precipitation	97.8 mm (3.9 in)	38 of 100 (Notable)
Albion	United States	Record daily precipitation	36.1 mm (1.4 in)	38 of 100 (Notable)
Hernando	United States	Record daily precipitation	67.3 mm (2.6 in)	38 of 100 (Notable)
Cessnock Post Office	Australia	Record daily precipitation	42.7 mm (1.7 in)	37 of 100 (Notable)
Ridgetown	Canada	Record daily precipitation	74.9 mm (2.9 in)	37 of 100 (Notable)
Toronto Agincourt	Canada	Record daily precipitation	29.5 mm (1.2 in)	37 of 100 (Notable)
Howe	United States	Record daily precipitation	89.4 mm (3.5 in)	37 of 100 (Notable)
Brockport	United States	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Gresford Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	35 of 100 (Notable)
Singleton Post Office	Australia	Record daily precipitation	39.9 mm (1.6 in)	35 of 100 (Notable)
Harrisburg	United States	Record daily precipitation	71.4 mm (2.8 in)	35 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	52.8 mm (2.1 in)	35 of 100 (Notable)
Maitland West	Australia	Record daily precipitation	40.6 mm (1.6 in)	34 of 100 (Routine)
Kitchener	Canada	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Sanehighat	India	Record daily precipitation	181.6 mm (7.1 in)	34 of 100 (Routine)
Winona Lake	United States	Record daily precipitation	56.6 mm (2.2 in)	34 of 100 (Routine)
Hillsdale	United States	Record daily precipitation	43.7 mm (1.7 in)	34 of 100 (Routine)
Muswellbrook (Edderton)	Australia	Record daily precipitation	44.5 mm (1.8 in)	33 of 100 (Routine)
Katbari	India	Record daily precipitation	73.7 mm (2.9 in)	33 of 100 (Routine)
Rochester	United States	Record daily precipitation	52.1 mm (2.1 in)	33 of 100 (Routine)
Batesville	United States	Record daily precipitation	56.6 mm (2.2 in)	33 of 100 (Routine)
Clarksdale	United States	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Jaunpur	India	Record daily precipitation	76.2 mm (3.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

677 records

Records set or tied on 1 October 1945 by type: Highest daily maximum 32, Lowest daily maximum 130, Highest daily minimum 55, Lowest daily minimum 55, Heaviest daily rainfall 405.

Records on 1 October 1945 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	130
Highest daily minimum	55
Lowest daily minimum	55
Heaviest daily rainfall	405
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 October 1945 by timescale: all-time 0, monthly 35, daily 642.

How Much Records Were Beaten By

580 broken records

Margins by which the 580 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 177.3. Ties are not counted.

Top 20 by Significance

1 October 1945

Top 20 records on 1 October 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 October 1945	Chatham 2, CA	monthly rain	97.3 mm (3.8 in)	50.3 mm (2.0 in)	54 years	72 of 100 (Major)
1 October 1945	Simcoe, CA	monthly rain	102.9 mm (4.1 in)	33.0 mm (1.3 in)	59 years	70 of 100 (Major)
1 October 1945	Hamilton, CA	daily rain	65.0 mm (2.6 in)	60.7 mm (2.4 in)	58 years	65 of 100 (Major)
1 October 1945	Goderich, CA	daily rain	43.4 mm (1.7 in)	26.4 mm (1.0 in)	68 years	59 of 100 (Notable)
1 October 1945	Brockville, CA	daily rain	51.1 mm (2.0 in)	32.0 mm (1.3 in)	58 years	58 of 100 (Notable)
1 October 1945	Port Dover, CA	daily rain	69.3 mm (2.7 in)	45.9 mm (1.8 in)	34 years	57 of 100 (Notable)
1 October 1945	Toledo Blade, US	daily rain	67.1 mm (2.6 in)	42.5 mm (1.7 in)	34 years	57 of 100 (Notable)
1 October 1945	Kerakat, IN	daily rain	174.0 mm (6.9 in)	128.0 mm (5.0 in)	42 years	56 of 100 (Notable)
1 October 1945	Plymouth Pwr Substn, US	monthly rain	88.4 mm (3.5 in)	42.2 mm (1.7 in)	3 years	56 of 100 (Notable)
1 October 1945	Jerrys Plains Post Office, AU	daily rain	52.8 mm (2.1 in)	32.0 mm (1.3 in)	51 years	55 of 100 (Notable)
1 October 1945	Welland, CA	daily rain	47.5 mm (1.9 in)	32.3 mm (1.3 in)	34 years	55 of 100 (Notable)
1 October 1945	Lucan, CA	monthly rain	62.2 mm (2.4 in)	12.9 mm (0.5 in)	60 years	50 of 100 (Notable)
1 October 1945	Patan, IN	daily rain	66.8 mm (2.6 in)	41.4 mm (1.6 in)	36 years	49 of 100 (Notable)
1 October 1945	Henderson 8 SSW, US	daily rain	58.4 mm (2.3 in)	48.7 mm (1.9 in)	43 years	48 of 100 (Notable)
1 October 1945	Deogaon Lalganj, IN	daily rain	99.3 mm (3.9 in)	85.6 mm (3.4 in)	40 years	47 of 100 (Notable)
1 October 1945	Shahjahanpur, IN	daily rain	233.7 mm (9.2 in)	177.3 mm (7.0 in)	28 years	47 of 100 (Notable)
1 October 1945	Wauseon Wtp, US	monthly rain	80.3 mm (3.2 in)	22.4 mm (0.9 in)	15 years	47 of 100 (Notable)
1 October 1945	Manjhanpur, IN	daily rain	80.3 mm (3.2 in)	67.6 mm (2.7 in)	22 years	46 of 100 (Notable)
1 October 1945	Angola, US	daily rain	80.0 mm (3.1 in)	49.5 mm (1.9 in)	19 years	46 of 100 (Notable)
1 October 1945	Aberdeen (Main Rd), AU	daily rain	39.4 mm (1.6 in)	29.0 mm (1.1 in)	24 years	45 of 100 (Notable)

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

1813 to 1945

Records set or tied on this calendar date in each year from 1813 to 1945. 1945 had 677 records.

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

Records on 10-01 in each year
Year	Records
1813	1
1814	1
1817	1
1819	1
1820	2
1823	1
1828	1
1845	1
1847	2
1861	1
1865	1
1866	1
1869	1
1870	1
1871	1
1874	4
1876	1
1877	3
1879	1
1881	6
1882	1
1883	1
1884	1
1886	1
1888	3
1889	1
1890	4
1891	1
1892	1
1893	9
1894	4
1895	1
1897	7
1898	1
1899	16
1900	2
1901	4
1902	16
1903	9
1904	8
1905	8
1906	11
1907	11
1908	20
1909	14
1910	12
1911	34
1912	37
1913	20
1914	28
1915	65
1916	105
1917	52
1918	20
1919	25
1920	98
1921	129
1922	160
1923	158
1924	86
1925	135
1926	181
1927	754
1928	129
1929	158
1930	106
1931	237
1932	220
1933	519
1934	188
1935	201
1936	388
1937	453
1938	284
1939	283
1940	207
1941	425
1942	290
1943	324
1944	583
1945	677
1946	486
1947	867
1948	271
1949	254
1950	1,019
1951	521
1952	712
1953	656
1954	976
1955	280
1956	260
1957	646
1958	1,050
1959	1,306
1960	143
1961	566
1962	376
1963	598
1964	312
1965	521
1966	646
1967	437
1968	426
1969	454
1970	275
1971	1,449
1972	625
1973	418
1974	1,104
1975	561
1976	854
1977	1,097
1978	492
1979	488
1980	600
1981	785
1982	733
1983	783
1984	1,266
1985	1,621
1986	1,476
1987	648
1988	502
1989	739
1990	612
1991	1,020
1992	1,392
1993	1,042
1994	580
1995	746
1996	1,007
1997	1,080
1998	1,345
1999	1,096
2000	1,006
2001	924
2002	951
2003	1,198
2004	826
2005	902
2006	806
2007	726
2008	573
2009	1,051
2010	1,093
2011	1,324
2012	647
2013	515
2014	397
2015	729
2016	473
2017	472
2018	694
2019	2,439
2020	566
2021	753
2022	609
2023	1,173
2024	751
2025	384
2026	553

Download the Data

Data for records on 1945-10-01: 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 25	512
25 to 50	53
50 to 75	10
75 to 100	1
100 to 125	1
125 to 150	2
150 to 175	0
175 to 200	1