Weather Records on 21 October 1945

538 weather records were set or tied worldwide on 21 October 1945. Highest significance: Dehri, IN.

Key Facts for 21 October 1945

On 21 October 1945, 538 weather records were set or tied at long-record stations worldwide.
28 were record highs and 119 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 531 daily.
Dehri set a daily record precipitation of 82.3 mm (3.2 in) on 21 October 1945.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 419 records.

Record Map

538 stations

538 station records on 21 October 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dehri	India	Record daily precipitation	82.3 mm (3.2 in)	56 of 100 (Notable)
Hariharganj	India	Record daily precipitation	118.9 mm (4.7 in)	55 of 100 (Notable)
Durham	United Kingdom	Record daily precipitation	37.4 mm (1.5 in)	55 of 100 (Notable)
Pindron	India	Record daily precipitation	61.0 mm (2.4 in)	54 of 100 (Notable)
Islampur	India	Record daily precipitation	68.6 mm (2.7 in)	53 of 100 (Notable)
Mohiuddin Nagar	India	Record daily precipitation	139.7 mm (5.5 in)	51 of 100 (Notable)
Korba	India	Record daily precipitation	58.7 mm (2.3 in)	49 of 100 (Notable)
Salem	United States	Record daily precipitation	91.9 mm (3.6 in)	49 of 100 (Notable)
Samastipur	India	Record daily precipitation	67.3 mm (2.6 in)	48 of 100 (Notable)
Robertsganj	India	Record daily precipitation	52.3 mm (2.1 in)	48 of 100 (Notable)
Mungeli	India	Record daily precipitation	85.9 mm (3.4 in)	47 of 100 (Notable)
Jashpurnagar	India	Record daily precipitation	140.2 mm (5.5 in)	47 of 100 (Notable)
Bongaon	India	Record daily precipitation	86.9 mm (3.4 in)	47 of 100 (Notable)
Springfield	United States	Record daily precipitation	60.7 mm (2.4 in)	47 of 100 (Notable)
Muhammadabad	India	Record daily precipitation	96.5 mm (3.8 in)	46 of 100 (Notable)
Gaya	India	Record daily precipitation	74.9 mm (2.9 in)	45 of 100 (Notable)
Ballia	India	Record daily precipitation	99.6 mm (3.9 in)	45 of 100 (Notable)
Daudnagar(Haspur)	India	Record daily precipitation	125.7 mm (4.9 in)	44 of 100 (Notable)
Ranka	India	Record daily precipitation	76.2 mm (3.0 in)	44 of 100 (Notable)
Patna Obsy	India	Record daily precipitation	102.9 mm (4.1 in)	44 of 100 (Notable)
Arang	India	Record daily precipitation	69.1 mm (2.7 in)	44 of 100 (Notable)
Varanasi	India	Record daily precipitation	98.6 mm (3.9 in)	44 of 100 (Notable)
Hajipur	India	Record daily precipitation	86.1 mm (3.4 in)	43 of 100 (Notable)
Manoharpur	India	Record daily precipitation	90.2 mm (3.6 in)	43 of 100 (Notable)
Raipur	India	Record daily precipitation	55.4 mm (2.2 in)	43 of 100 (Notable)
Suri	India	Record daily precipitation	95.8 mm (3.8 in)	43 of 100 (Notable)
Akbarpur	India	Record daily precipitation	83.8 mm (3.3 in)	42 of 100 (Notable)
Varanasi	India	Record daily precipitation	89.7 mm (3.5 in)	42 of 100 (Notable)
Aurangabad	India	Record daily precipitation	88.9 mm (3.5 in)	41 of 100 (Notable)
Sherghati	India	Record daily precipitation	58.4 mm (2.3 in)	41 of 100 (Notable)
Jamalpur	India	Record daily precipitation	115.1 mm (4.5 in)	41 of 100 (Notable)
Bemetara	India	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Bassawan	India	Record daily precipitation	97.5 mm (3.8 in)	39 of 100 (Notable)
Dharamjaigarh	India	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
Azimganj	India	Record daily precipitation	88.9 mm (3.5 in)	39 of 100 (Notable)
Sagar Island	India	Record daily precipitation	169.2 mm (6.7 in)	39 of 100 (Notable)
Deo	India	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Raigarh	India	Record daily precipitation	45.7 mm (1.8 in)	38 of 100 (Notable)
Borsat	India	Record daily precipitation	78.0 mm (3.1 in)	38 of 100 (Notable)
Pachamba	India	Record daily precipitation	58.7 mm (2.3 in)	37 of 100 (Notable)
Mahuadaur	India	Record daily precipitation	71.1 mm (2.8 in)	37 of 100 (Notable)
Arrah Obsy Sr	India	Record daily precipitation	75.4 mm (3.0 in)	37 of 100 (Notable)
Pendra Road	India	Record daily precipitation	69.6 mm (2.7 in)	37 of 100 (Notable)
Kilpuri	India	Record daily precipitation	54.9 mm (2.2 in)	37 of 100 (Notable)
Nagerutari	India	Record daily precipitation	51.6 mm (2.0 in)	36 of 100 (Notable)
Barh	India	Record daily precipitation	56.9 mm (2.2 in)	36 of 100 (Notable)
Chandi	India	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Sakti	India	Record daily precipitation	54.9 mm (2.2 in)	36 of 100 (Notable)
Joplin	United States	Record daily precipitation	71.1 mm (2.8 in)	36 of 100 (Notable)
Greenwood	Canada	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Ramnagar	India	Record daily precipitation	59.4 mm (2.3 in)	35 of 100 (Notable)
Pal-Lahara	India	Record daily precipitation	104.6 mm (4.1 in)	35 of 100 (Notable)
W Lafayette 6 NW	United States	Record daily precipitation	30.2 mm (1.2 in)	35 of 100 (Notable)
Sandy Cape Lighthouse	Australia	Record daily precipitation	44.2 mm (1.7 in)	34 of 100 (Routine)
Jahanabad	India	Record daily precipitation	56.9 mm (2.2 in)	34 of 100 (Routine)
Bansdih	India	Record daily precipitation	79.0 mm (3.1 in)	34 of 100 (Routine)
Chunar	India	Record daily precipitation	47.8 mm (1.9 in)	34 of 100 (Routine)
Gangapur	India	Record daily precipitation	51.1 mm (2.0 in)	34 of 100 (Routine)
Haringhata	India	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Kukicherra	India	Record daily precipitation	69.9 mm (2.8 in)	32 of 100 (Routine)

Counts by Type and Timescale

538 records

Records set or tied on 21 October 1945 by type: Highest daily maximum 8, Lowest daily maximum 71, Highest daily minimum 20, Lowest daily minimum 48, Heaviest daily rainfall 361, Heaviest daily snowfall 27, Deepest snow cover 3.

Records on 21 October 1945 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	71
Highest daily minimum	20
Lowest daily minimum	48
Heaviest daily rainfall	361
Heaviest daily snowfall	27
Deepest snow cover	3

Records on 21 October 1945 by timescale: all-time 0, monthly 7, daily 531.

How Much Records Were Beaten By

475 broken records

Margins by which the 475 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

21 October 1945

Top 20 records on 21 October 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1945	Dehri, IN	daily rain	82.3 mm (3.2 in)	65.3 mm (2.6 in)	43 years	56 of 100 (Notable)
21 October 1945	Hariharganj, IN	monthly rain	118.9 mm (4.7 in)	56.7 mm (2.2 in)	9 years	55 of 100 (Notable)
21 October 1945	Durham, GB	daily rain	37.4 mm (1.5 in)	18.3 mm (0.7 in)	58 years	55 of 100 (Notable)
21 October 1945	Pindron, IN	daily rain	61.0 mm (2.4 in)	61.0 mm (2.4 in)	39 years	54 of 100 (Notable)
21 October 1945	Islampur, IN	daily rain	68.6 mm (2.7 in)	68.6 mm (2.7 in)	42 years	53 of 100 (Notable)
21 October 1945	Mohiuddin Nagar, IN	monthly rain	139.7 mm (5.5 in)	68.6 mm (2.7 in)	8 years	51 of 100 (Notable)
21 October 1945	Korba, IN	daily rain	58.7 mm (2.3 in)	52.6 mm (2.1 in)	30 years	49 of 100 (Notable)
21 October 1945	Salem, US	daily rain	91.9 mm (3.6 in)	61.4 mm (2.4 in)	26 years	49 of 100 (Notable)
21 October 1945	Samastipur, IN	daily rain	67.3 mm (2.6 in)	67.3 mm (2.6 in)	44 years	48 of 100 (Notable)
21 October 1945	Robertsganj, IN	daily rain	52.3 mm (2.1 in)	47.7 mm (1.9 in)	43 years	48 of 100 (Notable)
21 October 1945	Mungeli, IN	daily rain	85.9 mm (3.4 in)	75.2 mm (3.0 in)	12 years	47 of 100 (Notable)
21 October 1945	Jashpurnagar, IN	daily rain	140.2 mm (5.5 in)	109.2 mm (4.3 in)	12 years	47 of 100 (Notable)
21 October 1945	Bongaon, IN	daily rain	86.9 mm (3.4 in)	75.0 mm (3.0 in)	12 years	47 of 100 (Notable)
21 October 1945	Springfield, US	daily rain	60.7 mm (2.4 in)	44.4 mm (1.7 in)	31 years	47 of 100 (Notable)
21 October 1945	Muhammadabad, IN	daily rain	96.5 mm (3.8 in)	71.6 mm (2.8 in)	43 years	46 of 100 (Notable)
21 October 1945	Gaya, IN	daily rain	74.9 mm (2.9 in)	66.5 mm (2.6 in)	4 years	45 of 100 (Notable)
21 October 1945	Ballia, IN	daily rain	99.6 mm (3.9 in)	85.4 mm (3.4 in)	4 years	45 of 100 (Notable)
21 October 1945	Daudnagar(Haspur), IN	daily rain	125.7 mm (4.9 in)	120.1 mm (4.7 in)	2 years	44 of 100 (Notable)
21 October 1945	Ranka, IN	daily rain	76.2 mm (3.0 in)	62.7 mm (2.5 in)	2 years	44 of 100 (Notable)
21 October 1945	Patna Obsy, IN	daily rain	102.9 mm (4.1 in)	79.0 mm (3.1 in)	2 years	44 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

1795 to 1945

Records set or tied on this calendar date in each year from 1795 to 1945. 1945 had 538 records.

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

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 1945-10-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	279
20 to 40	92
40 to 60	64
60 to 80	30
80 to 100	6
100 to 120	2
120 to 140	1
140 to 160	1