Weather Records on 21 October 1956

276 weather records were set or tied worldwide on 21 October 1956. Highest significance: Botnen I Forde, NO.

Key Facts for 21 October 1956

On 21 October 1956, 276 weather records were set or tied at long-record stations worldwide.
51 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 271 daily.
Botnen I Forde set a daily record precipitation of 97.3 mm (3.8 in) on 21 October 1956.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 421 records.

Record Map

276 stations

276 station records on 21 October 1956 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1956: highest significance records shown on the map
Station	Country	Type	Value	Significance
Botnen I Forde	Norway	Record daily precipitation	97.3 mm (3.8 in)	55 of 100 (Notable)
Briksdal	Norway	Record daily precipitation	82.5 mm (3.2 in)	51 of 100 (Notable)
Suassurana	Brazil	Record daily precipitation	31.7 mm (1.2 in)	45 of 100 (Notable)
Aardoorns	South Africa	Record daily precipitation	44.0 mm (1.7 in)	43 of 100 (Notable)
Middelkop	South Africa	Record daily precipitation	39.0 mm (1.5 in)	41 of 100 (Notable)
Porteiras	Brazil	Record daily precipitation	45.3 mm (1.8 in)	39 of 100 (Notable)
Euclides da Cunha (Cumbe)	Brazil	Record daily precipitation	45.5 mm (1.8 in)	37 of 100 (Notable)
Maple Creek	Canada	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Centreville	United States	Record daily precipitation	90.7 mm (3.6 in)	36 of 100 (Notable)
Nanguneri	India	Record daily precipitation	60.2 mm (2.4 in)	35 of 100 (Notable)
Hovlandsdal	Norway	Record daily precipitation	99.5 mm (3.9 in)	35 of 100 (Notable)
Blountstown 2 SE	United States	Record daily precipitation	54.6 mm (2.1 in)	34 of 100 (Routine)
Piripiri	Brazil	Record daily precipitation	42.6 mm (1.7 in)	33 of 100 (Routine)
Cordova 2 ENE	United States	Record daily precipitation	81.3 mm (3.2 in)	33 of 100 (Routine)
Edinburg	United States	Record daily precipitation	37.3 mm (1.5 in)	33 of 100 (Routine)
Brejo Santo	Brazil	Record daily precipitation	46.8 mm (1.8 in)	32 of 100 (Routine)
Pelserskraal	South Africa	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Decatur	United States	Record daily precipitation	40.6 mm (1.6 in)	32 of 100 (Routine)
Columbus 4 ESE	United States	Record daily precipitation	52.1 mm (2.1 in)	32 of 100 (Routine)
Yarra River (Yarra Glen)	Australia	Record daily precipitation	78.7 mm (3.1 in)	31 of 100 (Routine)
Sogndal - Selseng	Norway	Record daily precipitation	49.9 mm (2.0 in)	31 of 100 (Routine)
Jayuya	Puerto Rico [United States]	Record daily precipitation	98.3 mm (3.9 in)	31 of 100 (Routine)
Rio Do Braco (Efic)	Brazil	Record daily precipitation	38.3 mm (1.5 in)	28 of 100 (Routine)
Claresholm Meadow Creek	Canada	Record daily snowfall	8.9 cm (3.5 in)	28 of 100 (Routine)
Priest Rvr Exp STN	United States	Record daily precipitation	27.2 mm (1.1 in)	28 of 100 (Routine)
Merrill	United States	Record daily precipitation	32.8 mm (1.3 in)	28 of 100 (Routine)
Quantico 1 S	United States	Record daily precipitation	27.2 mm (1.1 in)	28 of 100 (Routine)
Dadeville	United States	Record daily precipitation	47.0 mm (1.9 in)	27 of 100 (Routine)
Louisville	United States	Record daily precipitation	59.7 mm (2.4 in)	27 of 100 (Routine)
Hornindal	Norway	Record daily precipitation	60.3 mm (2.4 in)	26 of 100 (Routine)
Clarendon	United States	Record daily precipitation	31.2 mm (1.2 in)	26 of 100 (Routine)
Bainbridge	United States	Record daily precipitation	48.0 mm (1.9 in)	26 of 100 (Routine)
Ft Scott	United States	Record daily precipitation	45.7 mm (1.8 in)	26 of 100 (Routine)
Itabaianinha	Brazil	Record daily precipitation	77.0 mm (3.0 in)	25 of 100 (Routine)
Sao Goncalo	Brazil	Record daily precipitation	30.2 mm (1.2 in)	24 of 100 (Routine)
Saboeiro	Brazil	Record daily precipitation	33.4 mm (1.3 in)	24 of 100 (Routine)
Monticello	United States	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Nome AP	United States	Record low minimum temperature	-16.7 C (1.9 F)	24 of 100 (Routine)
Zinder	Niger	Record low maximum temperature	33.8 C (92.8 F)	23 of 100 (Routine)
Lenoir	United States	Record daily precipitation	44.7 mm (1.8 in)	23 of 100 (Routine)
Palmer 3 ESE	United States	Record daily precipitation	71.1 mm (2.8 in)	23 of 100 (Routine)
Winston Salem Reynolds AP	United States	Record daily precipitation	27.4 mm (1.1 in)	23 of 100 (Routine)
Ona	Norway	Record daily precipitation	39.3 mm (1.5 in)	22 of 100 (Routine)
Allakaket	United States	Record low maximum temperature	-16.1 C (3.0 F)	22 of 100 (Routine)
Ust-Maja	Russia	Record low minimum temperature	-31.9 C (-25.4 F)	21 of 100 (Routine)
Anadyr	Russia	Record low minimum temperature	-19.2 C (-2.6 F)	21 of 100 (Routine)
Fitzgerald	United States	Record daily precipitation	41.7 mm (1.6 in)	21 of 100 (Routine)
Miltalie (Hillview)	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Odendaalsrus	South Africa	Record daily precipitation	24.5 mm (1.0 in)	20 of 100 (Routine)
Lacrosse	United States	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Moosomin	Canada	Record daily snowfall	3.0 cm (1.2 in)	20 of 100 (Routine)
Eufaula	United States	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Mt Hope	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Joao Pessoa	Brazil	Record daily precipitation	17.6 mm (0.7 in)	20 of 100 (Routine)
Ust Tzilma	Russia	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Florence at Lock	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Porthill	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Natchitoches	United States	Record daily precipitation	1.0 mm (0.04 in)	20 of 100 (Routine)
Meka Station	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Coleman	Canada	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

276 records

Records set or tied on 21 October 1956 by type: Highest daily maximum 22, Lowest daily maximum 17, Highest daily minimum 29, Lowest daily minimum 18, Heaviest daily rainfall 178, Heaviest daily snowfall 12.

Records on 21 October 1956 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	17
Highest daily minimum	29
Lowest daily minimum	18
Heaviest daily rainfall	178
Heaviest daily snowfall	12
Deepest snow cover	0

Records on 21 October 1956 by timescale: all-time 0, monthly 5, daily 271.

How Much Records Were Beaten By

249 broken records

Margins by which the 249 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 1956

Top 20 records on 21 October 1956 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1956	Botnen I Forde, NO	daily rain	97.3 mm (3.8 in)	54.8 mm (2.2 in)	57 years	55 of 100 (Notable)
21 October 1956	Briksdal, NO	daily rain	82.5 mm (3.2 in)	47.5 mm (1.9 in)	39 years	51 of 100 (Notable)
21 October 1956	Suassurana, BR	daily rain	31.7 mm (1.2 in)	31.7 mm (1.2 in)	37 years	45 of 100 (Notable)
21 October 1956	Aardoorns, ZA	daily rain	44.0 mm (1.7 in)	32.6 mm (1.3 in)	28 years	43 of 100 (Notable)
21 October 1956	Middelkop, ZA	daily rain	39.0 mm (1.5 in)	34.2 mm (1.3 in)	18 years	41 of 100 (Notable)
21 October 1956	Porteiras, BR	daily rain	45.3 mm (1.8 in)	43.1 mm (1.7 in)	14 years	39 of 100 (Notable)
21 October 1956	Euclides da Cunha (Cumbe), BR	daily rain	45.5 mm (1.8 in)	33.9 mm (1.3 in)	35 years	37 of 100 (Notable)
21 October 1956	Maple Creek, CA	monthly rain	31.8 mm (1.3 in)	6.4 mm (0.25 in)	15 years	36 of 100 (Notable)
21 October 1956	Centreville, US	daily rain	90.7 mm (3.6 in)	38.4 mm (1.5 in)	27 years	36 of 100 (Notable)
21 October 1956	Nanguneri, IN	daily rain	60.2 mm (2.4 in)	28.7 mm (1.1 in)	48 years	35 of 100 (Notable)
21 October 1956	Hovlandsdal, NO	daily rain	99.5 mm (3.9 in)	50.2 mm (2.0 in)	22 years	35 of 100 (Notable)
21 October 1956	Blountstown 2 SE, US	daily rain	54.6 mm (2.1 in)	40.9 mm (1.6 in)	5 years	34 of 100 (Routine)
21 October 1956	Piripiri, BR	daily rain	42.6 mm (1.7 in)	22.6 mm (0.9 in)	25 years	33 of 100 (Routine)
21 October 1956	Cordova 2 ENE, US	daily rain	81.3 mm (3.2 in)	62.2 mm (2.4 in)	6 years	33 of 100 (Routine)
21 October 1956	Edinburg, US	daily rain	37.3 mm (1.5 in)	22.8 mm (0.9 in)	47 years	33 of 100 (Routine)
21 October 1956	Brejo Santo, BR	daily rain	46.8 mm (1.8 in)	39.3 mm (1.5 in)	9 years	32 of 100 (Routine)
21 October 1956	Pelserskraal, ZA	daily rain	30.5 mm (1.2 in)	22.4 mm (0.9 in)	12 years	32 of 100 (Routine)
21 October 1956	Decatur, US	daily rain	40.6 mm (1.6 in)	13.2 mm (0.5 in)	57 years	32 of 100 (Routine)
21 October 1956	Columbus 4 ESE, US	daily rain	52.1 mm (2.1 in)	19.1 mm (0.8 in)	57 years	32 of 100 (Routine)
21 October 1956	Yarra River (Yarra Glen), AU	monthly rain	78.7 mm (3.1 in)	12.7 mm (0.5 in)	3 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

1795 to 1956

Records set or tied on this calendar date in each year from 1795 to 1956. 1956 had 276 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 1956-10-21: 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	213
20 to 40	25
40 to 60	7
60 to 80	1
80 to 100	2
100 to 120	0
120 to 140	0
140 to 160	1