Weather Records on 30 September 1945

889 weather records were set or tied worldwide on 30 September 1945. Highest significance: Khatra, IN.

Key Facts for 30 September 1945

On 30 September 1945, 889 weather records were set or tied at long-record stations worldwide.
53 were record highs and 514 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 35 monthly and 854 daily.
Khatra set a daily record precipitation of 110.7 mm (4.4 in) on 30 September 1945.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 437 records.

Record Map

889 stations

889 station records on 30 September 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Khatra	India	Record daily precipitation	110.7 mm (4.4 in)	56 of 100 (Notable)
Dalhart Exp STN	United States	Record daily precipitation	50.3 mm (2.0 in)	50 of 100 (Notable)
Pitkin	United States	Record daily snowfall	25.4 cm (10.0 in)	48 of 100 (Notable)
Bhandaria	India	Record daily precipitation	109.2 mm (4.3 in)	46 of 100 (Notable)
Bridgeport	United States	Record daily precipitation	54.6 mm (2.1 in)	45 of 100 (Notable)
Tucumcari	United States	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Stratford	Canada	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
Guthrie 5S	United States	Record daily precipitation	66.3 mm (2.6 in)	41 of 100 (Notable)
Lampasas	United States	Record daily precipitation	62.2 mm (2.4 in)	41 of 100 (Notable)
Chama	United States	Record low maximum temperature	7.8 C (46.0 F)	40 of 100 (Notable)
Norman 3SSE	United States	Record daily precipitation	65.5 mm (2.6 in)	39 of 100 (Notable)
Nagappattinam	India	Record daily precipitation	61.5 mm (2.4 in)	38 of 100 (Notable)
Holly	United States	Record daily precipitation	37.3 mm (1.5 in)	38 of 100 (Notable)
Amguri	India	Record daily precipitation	110.5 mm (4.4 in)	37 of 100 (Notable)
Ranka	India	Record daily precipitation	96.5 mm (3.8 in)	37 of 100 (Notable)
Richfield	United States	Record daily precipitation	45.2 mm (1.8 in)	37 of 100 (Notable)
Harrisburg 12WNW	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Chandler	United States	Record daily precipitation	74.4 mm (2.9 in)	35 of 100 (Notable)
Pauls Valley 4 WSW	United States	Record daily precipitation	81.3 mm (3.2 in)	35 of 100 (Notable)
Huehue 92.1	United States	Record daily precipitation	68.6 mm (2.7 in)	35 of 100 (Notable)
Goderich	Canada	Record low minimum temperature	-0.6 C (30.9 F)	34 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	-3.9 C (25.0 F)	34 of 100 (Routine)
Fichtelberg	Germany	Record daily precipitation	43.1 mm (1.7 in)	34 of 100 (Routine)
St Catharines	Canada	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Attarikhat	India	Record daily precipitation	89.7 mm (3.5 in)	33 of 100 (Routine)
Napoleon	United States	Record daily precipitation	56.1 mm (2.2 in)	33 of 100 (Routine)
Savannah 6 SW	United States	Record daily precipitation	68.6 mm (2.7 in)	33 of 100 (Routine)
Saguache	United States	Record low maximum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Marlow 1 WSW	United States	Record daily precipitation	59.7 mm (2.4 in)	32 of 100 (Routine)
Meeker 5 W	United States	Record daily precipitation	49.5 mm (1.9 in)	32 of 100 (Routine)
North Bay	Canada	Record low minimum temperature	-5.0 C (23.0 F)	31 of 100 (Routine)
Ballia	India	Record daily precipitation	79.8 mm (3.1 in)	31 of 100 (Routine)
Westcliffe	United States	Record daily snowfall	6.4 cm (2.5 in)	31 of 100 (Routine)
Welland	Canada	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Wokha	India	Record daily precipitation	121.9 mm (4.8 in)	30 of 100 (Routine)
Nogales	United States	Record low minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Cheesman	United States	Record low maximum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Dillon 1 E	United States	Record daily snowfall	7.6 cm (3.0 in)	30 of 100 (Routine)
Agricultural College	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Woodward	United States	Record low maximum temperature	8.9 C (48.0 F)	30 of 100 (Routine)
Muskegon Co AP	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Bolangir	India	Record daily precipitation	51.8 mm (2.0 in)	29 of 100 (Routine)
Sonepur	India	Record daily precipitation	66.5 mm (2.6 in)	29 of 100 (Routine)
Conception	United States	Record daily precipitation	47.0 mm (1.9 in)	29 of 100 (Routine)
Ft Bayard 4W	United States	Record low maximum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Pet Jorhat	India	Record daily precipitation	76.2 mm (3.0 in)	28 of 100 (Routine)
Bedford	United States	Record daily precipitation	52.1 mm (2.1 in)	28 of 100 (Routine)
Tecumseh 1S	United States	Record low maximum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Cumbres	United States	Record daily snowfall	12.7 cm (5.0 in)	27 of 100 (Routine)
Ft Bayard 4W	United States	Record low minimum temperature	-1.7 C (28.9 F)	27 of 100 (Routine)
Ft Reno	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Cleburne	United States	Record low maximum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Hobart Muni AP	United States	Record daily precipitation	86.4 mm (3.4 in)	27 of 100 (Routine)
Bansdih	India	Record daily precipitation	81.3 mm (3.2 in)	26 of 100 (Routine)
Atraula	India	Record daily precipitation	70.9 mm (2.8 in)	26 of 100 (Routine)
Mountainair	United States	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Sakti	India	Record daily precipitation	57.2 mm (2.3 in)	25 of 100 (Routine)
Gangarampur	India	Record daily precipitation	68.6 mm (2.7 in)	25 of 100 (Routine)
Guthrie Ctr	United States	Record low maximum temperature	6.7 C (44.1 F)	25 of 100 (Routine)
Holland Wtp	United States	Record low minimum temperature	-1.7 C (28.9 F)	25 of 100 (Routine)

Counts by Type and Timescale

889 records

Records set or tied on 30 September 1945 by type: Highest daily maximum 17, Lowest daily maximum 403, Highest daily minimum 36, Lowest daily minimum 111, Heaviest daily rainfall 302, Heaviest daily snowfall 18, Deepest snow cover 2.

Records on 30 September 1945 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	403
Highest daily minimum	36
Lowest daily minimum	111
Heaviest daily rainfall	302
Heaviest daily snowfall	18
Deepest snow cover	2

Records on 30 September 1945 by timescale: all-time 0, monthly 35, daily 854.

How Much Records Were Beaten By

777 broken records

Margins by which the 777 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 201.0. Ties are not counted.

Top 20 by Significance

30 September 1945

Top 20 records on 30 September 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1945	Khatra, IN	daily rain	110.7 mm (4.4 in)	89.9 mm (3.5 in)	42 years	56 of 100 (Notable)
30 September 1945	Dalhart Exp STN, US	daily rain	50.3 mm (2.0 in)	38.6 mm (1.5 in)	30 years	50 of 100 (Notable)
30 September 1945	Pitkin, US	daily snowfall	25.4 cm (10.0 in)	20.1 cm (7.9 in)	18 years	48 of 100 (Notable)
30 September 1945	Bhandaria, IN	daily rain	109.2 mm (4.3 in)	99.0 mm (3.9 in)	11 years	46 of 100 (Notable)
30 September 1945	Bridgeport, US	daily rain	54.6 mm (2.1 in)	44.4 mm (1.7 in)	30 years	45 of 100 (Notable)
30 September 1945	Tucumcari, US	daily rain	37.6 mm (1.5 in)	34.8 mm (1.4 in)	14 years	42 of 100 (Notable)
30 September 1945	Stratford, CA	daily rain	34.3 mm (1.4 in)	14.0 mm (0.6 in)	74 years	41 of 100 (Notable)
30 September 1945	Guthrie 5S, US	daily rain	66.3 mm (2.6 in)	59.7 mm (2.4 in)	22 years	41 of 100 (Notable)
30 September 1945	Lampasas, US	daily rain	62.2 mm (2.4 in)	55.8 mm (2.2 in)	42 years	41 of 100 (Notable)
30 September 1945	Chama, US	daily low max	7.8 C (46.0 F)	7.8 C (14.0 F)	51 years	40 of 100 (Notable)
30 September 1945	Norman 3SSE, US	daily rain	65.5 mm (2.6 in)	55.1 mm (2.2 in)	4 years	39 of 100 (Notable)
30 September 1945	Nagappattinam, IN	daily rain	61.5 mm (2.4 in)	32.8 mm (1.3 in)	42 years	38 of 100 (Notable)
30 September 1945	Holly, US	daily rain	37.3 mm (1.5 in)	29.7 mm (1.2 in)	22 years	38 of 100 (Notable)
30 September 1945	Amguri, IN	daily rain	110.5 mm (4.4 in)	56.4 mm (2.2 in)	14 years	37 of 100 (Notable)
30 September 1945	Ranka, IN	daily rain	96.5 mm (3.8 in)	67.3 mm (2.6 in)	11 years	37 of 100 (Notable)
30 September 1945	Richfield, US	daily rain	45.2 mm (1.8 in)	38.1 mm (1.5 in)	30 years	37 of 100 (Notable)
30 September 1945	Harrisburg 12WNW, US	daily rain	27.9 mm (1.1 in)	25.4 mm (1.0 in)	32 years	36 of 100 (Notable)
30 September 1945	Chandler, US	daily rain	74.4 mm (2.9 in)	48.2 mm (1.9 in)	19 years	35 of 100 (Notable)
30 September 1945	Pauls Valley 4 WSW, US	daily rain	81.3 mm (3.2 in)	49.0 mm (1.9 in)	19 years	35 of 100 (Notable)
30 September 1945	Huehue 92.1, US	daily rain	68.6 mm (2.7 in)	40.7 mm (1.6 in)	10 years	35 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

1806 to 1945

Records set or tied on this calendar date in each year from 1806 to 1945. 1945 had 889 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	523

Download the Data

Data for records on 1945-09-30: 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 50	761
50 to 100	15
100 to 150	0
150 to 200	0
200 to 250	1