Weather Records on 20 October 1956

283 weather records were set or tied worldwide on 20 October 1956. Highest significance: Aleksandrovsk-Sahalinskij, RU.

Key Facts for 20 October 1956

On 20 October 1956, 283 weather records were set or tied at long-record stations worldwide.
61 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 282 daily.
Aleksandrovsk-Sahalinskij set a daily record precipitation of 42.2 mm (1.7 in) on 20 October 1956.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 458 records.

Record Map

283 stations

283 station records on 20 October 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	42.2 mm (1.7 in)	51 of 100 (Notable)
Sequim	United States	Record daily precipitation	27.9 mm (1.1 in)	50 of 100 (Notable)
Iguatu	Brazil	Record daily precipitation	40.0 mm (1.6 in)	46 of 100 (Notable)
Marungapuri	India	Record daily precipitation	104.4 mm (4.1 in)	46 of 100 (Notable)
Marianna 2 S	United States	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
De Funiak Springs 1 E	United States	Record daily precipitation	50.3 mm (2.0 in)	39 of 100 (Notable)
Castelo Do Piaui (Marvao)	Brazil	Record daily precipitation	35.5 mm (1.4 in)	36 of 100 (Notable)
Olga 2 SE	United States	Record daily precipitation	25.7 mm (1.0 in)	36 of 100 (Notable)
Sedro-Woolley	United States	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Wien	Austria	Record high maximum temperature	20.3 C (68.5 F)	34 of 100 (Routine)
Canudos	Brazil	Record daily precipitation	26.3 mm (1.0 in)	34 of 100 (Routine)
Jackson 4 NW	United States	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Cicero Dantas	Brazil	Record daily precipitation	39.0 mm (1.5 in)	33 of 100 (Routine)
Jayamkondam	India	Record daily precipitation	85.1 mm (3.4 in)	33 of 100 (Routine)
Marianna Sch For Boys	United States	Record daily precipitation	63.8 mm (2.5 in)	33 of 100 (Routine)
Manchester	United States	Record low minimum temperature	-3.9 C (25.0 F)	33 of 100 (Routine)
Saboeiro	Brazil	Record daily precipitation	28.0 mm (1.1 in)	32 of 100 (Routine)
Upper Shillong	India	Record daily precipitation	84.6 mm (3.3 in)	31 of 100 (Routine)
Macon 2 NE	United States	Record daily precipitation	54.6 mm (2.1 in)	31 of 100 (Routine)
Merrill	United States	Record daily precipitation	72.9 mm (2.9 in)	31 of 100 (Routine)
Darrington Rs	United States	Record daily precipitation	64.3 mm (2.5 in)	31 of 100 (Routine)
Weston	United States	Record low minimum temperature	-7.2 C (19.0 F)	30 of 100 (Routine)
Sulphur Springs	United States	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Mount Nelson	Australia	Record daily precipitation	39.6 mm (1.6 in)	29 of 100 (Routine)
Jardim	Brazil	Record daily precipitation	45.0 mm (1.8 in)	29 of 100 (Routine)
Ponnamaravathi	India	Record daily precipitation	80.0 mm (3.1 in)	29 of 100 (Routine)
Brockton	United States	Record low minimum temperature	-5.6 C (21.9 F)	29 of 100 (Routine)
Honey Grove	United States	Record daily precipitation	37.3 mm (1.5 in)	29 of 100 (Routine)
Marion 1 N	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Reserve	United States	Record daily precipitation	41.1 mm (1.6 in)	28 of 100 (Routine)
Tirumayam	India	Record daily precipitation	69.1 mm (2.7 in)	27 of 100 (Routine)
Blakely	United States	Record daily precipitation	39.4 mm (1.6 in)	27 of 100 (Routine)
Canton 4N	United States	Record daily precipitation	34.0 mm (1.3 in)	27 of 100 (Routine)
Huehue 92.1	United States	Record daily precipitation	51.1 mm (2.0 in)	27 of 100 (Routine)
Varzea Alegre	Brazil	Record daily precipitation	37.0 mm (1.5 in)	26 of 100 (Routine)
State UNIV	United States	Record daily precipitation	42.4 mm (1.7 in)	26 of 100 (Routine)
Chama	United States	Record low minimum temperature	-15.0 C (5.0 F)	26 of 100 (Routine)
Ganca	Azerbaijan	Record low maximum temperature	8.6 C (47.5 F)	25 of 100 (Routine)
Viralimalai	India	Record daily precipitation	79.2 mm (3.1 in)	25 of 100 (Routine)
Jakutsk	Russia	Record low minimum temperature	-28.8 C (-19.8 F)	25 of 100 (Routine)
Dancy 4 N	United States	Record daily precipitation	61.7 mm (2.4 in)	25 of 100 (Routine)
Perryville	United States	Record daily precipitation	33.3 mm (1.3 in)	25 of 100 (Routine)
Diablo Dam	United States	Record daily precipitation	69.6 mm (2.7 in)	25 of 100 (Routine)
Juneau Dwtn	United States	Record low minimum temperature	-1.7 C (28.9 F)	25 of 100 (Routine)
Dalby Post Office	Australia	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Port Said	Egypt	Record low maximum temperature	24.0 C (75.2 F)	24 of 100 (Routine)
Mokpo	Korea, South	Record low minimum temperature	3.9 C (39.0 F)	24 of 100 (Routine)
Robertsdale	United States	Record daily precipitation	35.8 mm (1.4 in)	24 of 100 (Routine)
Gunnison 3SW	United States	Record low minimum temperature	-13.9 C (7.0 F)	24 of 100 (Routine)
Leitchfield 2 N	United States	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Durham	United States	Record low minimum temperature	-5.6 C (21.9 F)	24 of 100 (Routine)
Coloso	Puerto Rico [United States]	Record low maximum temperature	29.4 C (84.9 F)	23 of 100 (Routine)
Sovetskaja Gavan	Russia	Record daily precipitation	73.1 mm (2.9 in)	23 of 100 (Routine)
Eagle Harbor	United States	Record high maximum temperature	21.7 C (71.1 F)	23 of 100 (Routine)
Tanana AP	United States	Record low maximum temperature	-11.7 C (10.9 F)	23 of 100 (Routine)
Marietta 3 NNW	United States	Record daily precipitation	25.9 mm (1.0 in)	22 of 100 (Routine)
Jeremoabo	Brazil	Record daily precipitation	33.1 mm (1.3 in)	21 of 100 (Routine)
Ust-Maja	Russia	Record low minimum temperature	-33.2 C (-27.8 F)	21 of 100 (Routine)
Mt Pleasant 2 W	United States	Record daily precipitation	55.9 mm (2.2 in)	21 of 100 (Routine)
Eagle	United States	Record low minimum temperature	-28.9 C (-20.0 F)	21 of 100 (Routine)

Counts by Type and Timescale

283 records

Records set or tied on 20 October 1956 by type: Highest daily maximum 16, Lowest daily maximum 24, Highest daily minimum 45, Lowest daily minimum 43, Heaviest daily rainfall 150, Heaviest daily snowfall 5.

Records on 20 October 1956 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	24
Highest daily minimum	45
Lowest daily minimum	43
Heaviest daily rainfall	150
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 20 October 1956 by timescale: all-time 0, monthly 1, daily 282.

How Much Records Were Beaten By

227 broken records

Margins by which the 227 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.0. Ties are not counted.

Top 20 by Significance

20 October 1956

Top 20 records on 20 October 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1956	Aleksandrovsk-Sahalinskij, RU	daily rain	42.2 mm (1.7 in)	21.4 mm (0.8 in)	42 years	51 of 100 (Notable)
20 October 1956	Sequim, US	daily rain	27.9 mm (1.1 in)	21.8 mm (0.9 in)	22 years	50 of 100 (Notable)
20 October 1956	Iguatu, BR	daily rain	40.0 mm (1.6 in)	40.0 mm (1.6 in)	44 years	46 of 100 (Notable)
20 October 1956	Marungapuri, IN	daily rain	104.4 mm (4.1 in)	59.2 mm (2.3 in)	38 years	46 of 100 (Notable)
20 October 1956	Marianna 2 S, US	daily rain	30.5 mm (1.2 in)	30.5 mm (1.2 in)	56 years	39 of 100 (Notable)
20 October 1956	De Funiak Springs 1 E, US	daily rain	50.3 mm (2.0 in)	28.7 mm (1.1 in)	57 years	39 of 100 (Notable)
20 October 1956	Castelo Do Piaui (Marvao), BR	daily rain	35.5 mm (1.4 in)	32.7 mm (1.3 in)	17 years	36 of 100 (Notable)
20 October 1956	Olga 2 SE, US	daily rain	25.7 mm (1.0 in)	8.7 mm (0.34 in)	59 years	36 of 100 (Notable)
20 October 1956	Sedro-Woolley, US	daily rain	47.5 mm (1.9 in)	24.1 mm (0.9 in)	19 years	36 of 100 (Notable)
20 October 1956	Wien, AT	daily high max	20.3 C (68.5 F)	0.1 C (0.2 F)	81 years	34 of 100 (Routine)
20 October 1956	Canudos, BR	daily rain	26.3 mm (1.0 in)	26.3 mm (1.0 in)	45 years	34 of 100 (Routine)
20 October 1956	Jackson 4 NW, US	daily rain	33.0 mm (1.3 in)	20.3 mm (0.8 in)	51 years	34 of 100 (Routine)
20 October 1956	Cicero Dantas, BR	daily rain	39.0 mm (1.5 in)	35.4 mm (1.4 in)	14 years	33 of 100 (Routine)
20 October 1956	Jayamkondam, IN	daily rain	85.1 mm (3.4 in)	37.3 mm (1.5 in)	38 years	33 of 100 (Routine)
20 October 1956	Marianna Sch For Boys, US	daily rain	63.8 mm (2.5 in)	51.1 mm (2.0 in)	9 years	33 of 100 (Routine)
20 October 1956	Manchester, US	daily low min	-3.9 C (25.0 F)	2.8 C (5.0 F)	68 years	33 of 100 (Routine)
20 October 1956	Saboeiro, BR	monthly rain	28.0 mm (1.1 in)	6.5 mm (0.26 in)	22 years	32 of 100 (Routine)
20 October 1956	Upper Shillong, IN	daily rain	84.6 mm (3.3 in)	55.4 mm (2.2 in)	16 years	31 of 100 (Routine)
20 October 1956	Macon 2 NE, US	daily rain	54.6 mm (2.1 in)	35.5 mm (1.4 in)	18 years	31 of 100 (Routine)
20 October 1956	Merrill, US	daily rain	72.9 mm (2.9 in)	38.1 mm (1.5 in)	9 years	31 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 1956

Records set or tied on this calendar date in each year from 1806 to 1956. 1956 had 283 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 1956-10-20: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	172
10 to 20	19
20 to 30	17
30 to 40	13
40 to 50	2
50 to 60	3
60 to 70	1