Weather Records on 20 October 1946

310 weather records were set or tied worldwide on 20 October 1946. Highest significance: Attarikhat, IN.

Key Facts for 20 October 1946

On 20 October 1946, 310 weather records were set or tied at long-record stations worldwide.
57 were record highs and 40 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 309 daily.
Attarikhat set a daily record precipitation of 77.0 mm (3.0 in) on 20 October 1946.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 458 records.

Record Map

310 stations

310 station records on 20 October 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Attarikhat	India	Record daily precipitation	77.0 mm (3.0 in)	52 of 100 (Notable)
Cooch Behar	India	Record daily precipitation	135.4 mm (5.3 in)	51 of 100 (Notable)
Dinhata	India	Record daily precipitation	141.0 mm (5.6 in)	48 of 100 (Notable)
Nanpara	India	Record daily precipitation	134.4 mm (5.3 in)	44 of 100 (Notable)
Corvallis State UNIV	United States	Record daily precipitation	44.7 mm (1.8 in)	44 of 100 (Notable)
Goalpara	India	Record daily precipitation	114.0 mm (4.5 in)	42 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	40.9 mm (1.6 in)	42 of 100 (Notable)
Parkers Landing	United States	Record daily precipitation	52.8 mm (2.1 in)	42 of 100 (Notable)
Vancouver Interst Brg	United States	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Orangajuli	India	Record daily precipitation	70.6 mm (2.8 in)	39 of 100 (Notable)
Calcutta/Alipore	India	Record daily precipitation	82.8 mm (3.3 in)	38 of 100 (Notable)
Itahar	India	Record daily precipitation	97.3 mm (3.8 in)	37 of 100 (Notable)
Parkdale	United States	Record daily precipitation	60.5 mm (2.4 in)	35 of 100 (Notable)
Sandpoint Exp STN	United States	Record daily precipitation	40.1 mm (1.6 in)	34 of 100 (Routine)
Summit	United States	Record daily precipitation	49.3 mm (1.9 in)	34 of 100 (Routine)
Tufanganj	India	Record daily precipitation	116.8 mm (4.6 in)	32 of 100 (Routine)
Detroit	United States	Record daily precipitation	55.4 mm (2.2 in)	32 of 100 (Routine)
Gangajalghati	India	Record daily precipitation	57.9 mm (2.3 in)	31 of 100 (Routine)
Ranchi	India	Record daily precipitation	47.8 mm (1.9 in)	30 of 100 (Routine)
Logansport	United States	Record daily precipitation	45.0 mm (1.8 in)	30 of 100 (Routine)
Topchanchi	India	Record daily precipitation	95.3 mm (3.8 in)	29 of 100 (Routine)
Zigzag Rs	United States	Record daily precipitation	63.5 mm (2.5 in)	29 of 100 (Routine)
Lakhipur	India	Record daily precipitation	73.9 mm (2.9 in)	28 of 100 (Routine)
Sahebganj	India	Record daily precipitation	82.6 mm (3.3 in)	28 of 100 (Routine)
Alangudi	India	Record daily precipitation	82.3 mm (3.2 in)	28 of 100 (Routine)
Batesville	United States	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Albany 1 N	United States	Record daily precipitation	32.5 mm (1.3 in)	28 of 100 (Routine)
Deer Park AP	United States	Record daily precipitation	26.2 mm (1.0 in)	28 of 100 (Routine)
Mathabhanga	India	Record daily precipitation	95.5 mm (3.8 in)	27 of 100 (Routine)
Alipurduar	India	Record daily precipitation	104.6 mm (4.1 in)	27 of 100 (Routine)
Coeur D'Alene	United States	Record daily precipitation	31.8 mm (1.3 in)	27 of 100 (Routine)
Gaya	India	Record daily precipitation	36.1 mm (1.4 in)	26 of 100 (Routine)
Vashon Island	United States	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Barduar	India	Record daily precipitation	53.6 mm (2.1 in)	25 of 100 (Routine)
De Rust	South Africa	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Cascadia	United States	Record daily precipitation	30.2 mm (1.2 in)	25 of 100 (Routine)
Banka	India	Record daily precipitation	128.3 mm (5.1 in)	24 of 100 (Routine)
Chattarpur	India	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Tura	India	Record daily precipitation	75.2 mm (3.0 in)	24 of 100 (Routine)
Balurghat	India	Record daily precipitation	108.0 mm (4.3 in)	24 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	-11.5 C (11.3 F)	24 of 100 (Routine)
Plant City	United States	Record high maximum temperature	32.2 C (90.0 F)	24 of 100 (Routine)
Bumping Lake	United States	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Kosmos	United States	Record daily precipitation	42.4 mm (1.7 in)	24 of 100 (Routine)
Barpukhuri	India	Record daily precipitation	29.5 mm (1.2 in)	23 of 100 (Routine)
Dumka	India	Record daily precipitation	61.0 mm (2.4 in)	23 of 100 (Routine)
Gangarampur	India	Record daily precipitation	88.9 mm (3.5 in)	23 of 100 (Routine)
Collingwood	Canada	Record low minimum temperature	-3.3 C (26.1 F)	22 of 100 (Routine)
Dhubri	India	Record daily precipitation	65.0 mm (2.6 in)	22 of 100 (Routine)
Pachamba	India	Record daily precipitation	80.0 mm (3.1 in)	22 of 100 (Routine)
Assobani	India	Record daily precipitation	61.5 mm (2.4 in)	22 of 100 (Routine)
Bankura Obsy Sr	India	Record daily precipitation	50.8 mm (2.0 in)	22 of 100 (Routine)
Ignacio 1 N	United States	Record low minimum temperature	-11.1 C (12.0 F)	22 of 100 (Routine)
Motihari	India	Record daily precipitation	48.0 mm (1.9 in)	21 of 100 (Routine)
Jamui	India	Record daily precipitation	44.5 mm (1.8 in)	21 of 100 (Routine)
Hiranpur	India	Record daily precipitation	63.5 mm (2.5 in)	21 of 100 (Routine)
Mekliganj	India	Record daily precipitation	112.3 mm (4.4 in)	21 of 100 (Routine)
Angola	United States	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Jefferson	United States	Record daily precipitation	25.1 mm (1.0 in)	21 of 100 (Routine)
Davenport	United States	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

310 records

Records set or tied on 20 October 1946 by type: Highest daily maximum 18, Lowest daily maximum 11, Highest daily minimum 39, Lowest daily minimum 29, Heaviest daily rainfall 213.

Records on 20 October 1946 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	11
Highest daily minimum	39
Lowest daily minimum	29
Heaviest daily rainfall	213
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 October 1946 by timescale: all-time 0, monthly 1, daily 309.

How Much Records Were Beaten By

270 broken records

Margins by which the 270 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 129.6. Ties are not counted.

Top 20 by Significance

20 October 1946

Top 20 records on 20 October 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1946	Attarikhat, IN	daily rain	77.0 mm (3.0 in)	52.9 mm (2.1 in)	32 years	52 of 100 (Notable)
20 October 1946	Cooch Behar, IN	daily rain	135.4 mm (5.3 in)	129.6 mm (5.1 in)	36 years	51 of 100 (Notable)
20 October 1946	Dinhata, IN	daily rain	141.0 mm (5.6 in)	123.2 mm (4.9 in)	16 years	48 of 100 (Notable)
20 October 1946	Nanpara, IN	daily rain	134.4 mm (5.3 in)	100.9 mm (4.0 in)	12 years	44 of 100 (Notable)
20 October 1946	Corvallis State UNIV, US	daily rain	44.7 mm (1.8 in)	22.6 mm (0.9 in)	36 years	44 of 100 (Notable)
20 October 1946	Goalpara, IN	daily rain	114.0 mm (4.5 in)	96.7 mm (3.8 in)	16 years	42 of 100 (Notable)
20 October 1946	Mc Minnville, US	daily rain	40.9 mm (1.6 in)	18.3 mm (0.7 in)	46 years	42 of 100 (Notable)
20 October 1946	Parkers Landing, US	daily rain	52.8 mm (2.1 in)	27.4 mm (1.1 in)	28 years	42 of 100 (Notable)
20 October 1946	Vancouver Interst Brg, US	daily rain	38.1 mm (1.5 in)	24.1 mm (0.9 in)	12 years	40 of 100 (Notable)
20 October 1946	Orangajuli, IN	daily rain	70.6 mm (2.8 in)	39.1 mm (1.5 in)	41 years	39 of 100 (Notable)
20 October 1946	Calcutta/Alipore, IN	daily rain	82.8 mm (3.3 in)	62.7 mm (2.5 in)	9 years	38 of 100 (Notable)
20 October 1946	Itahar, IN	daily rain	97.3 mm (3.8 in)	95.0 mm (3.7 in)	0 years	37 of 100 (Notable)
20 October 1946	Parkdale, US	monthly rain	60.5 mm (2.4 in)	14.0 mm (0.6 in)	23 years	35 of 100 (Notable)
20 October 1946	Sandpoint Exp STN, US	daily rain	40.1 mm (1.6 in)	16.7 mm (0.7 in)	24 years	34 of 100 (Routine)
20 October 1946	Summit, US	daily rain	49.3 mm (1.9 in)	28.0 mm (1.1 in)	12 years	34 of 100 (Routine)
20 October 1946	Tufanganj, IN	daily rain	116.8 mm (4.6 in)	71.8 mm (2.8 in)	16 years	32 of 100 (Routine)
20 October 1946	Detroit, US	daily rain	55.4 mm (2.2 in)	32.0 mm (1.3 in)	3 years	32 of 100 (Routine)
20 October 1946	Gangajalghati, IN	daily rain	57.9 mm (2.3 in)	34.5 mm (1.4 in)	31 years	31 of 100 (Routine)
20 October 1946	Ranchi, IN	daily rain	47.8 mm (1.9 in)	42.7 mm (1.7 in)	16 years	30 of 100 (Routine)
20 October 1946	Logansport, US	daily rain	45.0 mm (1.8 in)	34.3 mm (1.4 in)	39 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

1806 to 1946

Records set or tied on this calendar date in each year from 1806 to 1946. 1946 had 310 records.

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

Records on 10-20 in each year
Year	Records
1806	1
1835	1
1844	1
1846	1
1847	2
1851	1
1852	1
1858	1
1863	2
1864	2
1866	3
1867	1
1868	2
1872	2
1874	2
1875	3
1876	2
1877	1
1878	1
1880	3
1881	2
1884	1
1885	1
1886	1
1887	1
1888	6
1891	4
1892	4
1893	1
1894	3
1895	4
1896	9
1897	2
1898	7
1899	1
1900	8
1901	7
1902	5
1903	9
1904	13
1905	22
1906	28
1907	32
1908	26
1909	17
1910	31
1911	16
1912	6
1913	38
1914	16
1915	20
1916	72
1917	201
1918	34
1919	19
1920	81
1921	68
1922	83
1923	96
1924	182
1925	247
1926	147
1927	283
1928	92
1929	129
1930	672
1931	125
1932	331
1933	675
1934	422
1935	390
1936	370
1937	189
1938	231
1939	367
1940	757
1941	459
1942	152
1943	501
1944	288
1945	363
1946	310
1947	1,494
1948	320
1949	1,084
1950	619
1951	279
1952	520
1953	1,057
1954	262
1955	529
1956	283
1957	440
1958	461
1959	451
1960	671
1961	479
1962	733
1963	765
1964	598
1965	340
1966	857
1967	511
1968	244
1969	607
1970	710
1971	606
1972	1,724
1973	878
1974	1,122
1975	587
1976	1,304
1977	467
1978	508
1979	1,647
1980	350
1981	1,083
1982	1,191
1983	944
1984	1,562
1985	835
1986	823
1987	590
1988	737
1989	2,092
1990	609
1991	971
1992	1,174
1993	1,238
1994	650
1995	703
1996	1,417
1997	949
1998	683
1999	603
2000	737
2001	589
2002	985
2003	1,761
2004	1,861
2005	1,092
2006	1,170
2007	923
2008	477
2009	786
2010	539
2011	785
2012	945
2013	592
2014	851
2015	523
2016	947
2017	602
2018	394
2019	744
2020	1,010
2021	900
2022	834
2023	1,468
2024	707
2025	326

Download the Data

Data for records on 1946-10-20: 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	219
20 to 40	31
40 to 60	11
60 to 80	4
80 to 100	2
100 to 120	1
120 to 140	2