Weather Records on 21 October 1942

258 weather records were set or tied worldwide on 21 October 1942. Highest significance: Humansdorp (Pol), ZA.

Key Facts for 21 October 1942

On 21 October 1942, 258 weather records were set or tied at long-record stations worldwide.
69 were record highs and 17 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 258 daily.
Humansdorp (Pol) set a daily record precipitation of 67.3 mm (2.6 in) on 21 October 1942.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 421 records.

Record Map

258 stations

258 station records on 21 October 1942 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1942: highest significance records shown on the map
Station	Country	Type	Value	Significance
Humansdorp (Pol)	South Africa	Record daily precipitation	67.3 mm (2.6 in)	56 of 100 (Notable)
Missao Velha	Brazil	Record daily precipitation	48.7 mm (1.9 in)	51 of 100 (Notable)
Cookhouse (Sar)	South Africa	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Klipplaat (Sar)	South Africa	Record daily precipitation	27.7 mm (1.1 in)	42 of 100 (Notable)
Canudos	Brazil	Record daily precipitation	52.5 mm (2.1 in)	41 of 100 (Notable)
Athens	United States	Record daily precipitation	57.2 mm (2.3 in)	40 of 100 (Notable)
Kahuku 912	United States	Record daily precipitation	57.9 mm (2.3 in)	40 of 100 (Notable)
Hankey (Pol)	South Africa	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Qacu (Bos)	South Africa	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Haleakala Rch 432	United States	Record daily precipitation	64.3 mm (2.5 in)	34 of 100 (Routine)
Heath Springs	United States	Record daily precipitation	50.0 mm (2.0 in)	33 of 100 (Routine)
Newberry	United States	Record daily precipitation	70.9 mm (2.8 in)	31 of 100 (Routine)
Winnsboro	United States	Record daily precipitation	59.2 mm (2.3 in)	31 of 100 (Routine)
Strawberry Hill (Bos)	South Africa	Record daily precipitation	45.2 mm (1.8 in)	30 of 100 (Routine)
Vinga	Sweden	Record daily precipitation	28.7 mm (1.1 in)	29 of 100 (Routine)
Oenpelli	Australia	Record daily precipitation	38.4 mm (1.5 in)	28 of 100 (Routine)
Milagres	Brazil	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Chappells 2 NNW	United States	Record daily precipitation	58.4 mm (2.3 in)	28 of 100 (Routine)
Valley Head	United States	Record daily precipitation	53.3 mm (2.1 in)	27 of 100 (Routine)
New Cumberland L/D	United States	Record daily precipitation	25.1 mm (1.0 in)	27 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	15.9 C (60.6 F)	26 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	37.1 mm (1.5 in)	26 of 100 (Routine)
Experiment	United States	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Griffin	United States	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Greenwood	United States	Record daily precipitation	45.2 mm (1.8 in)	26 of 100 (Routine)
Tashkent	Uzbekistan	Record high maximum temperature	31.3 C (88.3 F)	26 of 100 (Routine)
Huxley	South Africa	Record daily precipitation	33.5 mm (1.3 in)	25 of 100 (Routine)
Uniondale (Tnk)	South Africa	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Carlton Brg	United States	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Washington 2 ESE	United States	Record daily precipitation	40.4 mm (1.6 in)	24 of 100 (Routine)
Walgett Council Depot	Australia	Record low maximum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Cutchogue	United States	Record daily precipitation	33.8 mm (1.3 in)	22 of 100 (Routine)
Albemarle	United States	Record daily precipitation	30.0 mm (1.2 in)	22 of 100 (Routine)
Somerset East	South Africa	Record daily precipitation	27.7 mm (1.1 in)	21 of 100 (Routine)
Steytlerville (Mag)	South Africa	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Nidingen A	Sweden	Record daily precipitation	19.5 mm (0.8 in)	20 of 100 (Routine)
Klintonel	Canada	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Braunschweig (T.H.)	Germany	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Cradock	South Africa	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Bederkesa	Germany	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
De Hoop	South Africa	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Leeu Gamka (Sar)	South Africa	Record daily precipitation	4.6 mm (0.18 in)	20 of 100 (Routine)
Pearston (Pol)	South Africa	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Wyndham Port	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Tennant Creek Post Office	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Petrolina	Brazil	Record daily precipitation	12.5 mm (0.5 in)	20 of 100 (Routine)
Innsbruck	Austria	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Paripiranga	Brazil	Record daily precipitation	15.6 mm (0.6 in)	20 of 100 (Routine)
Rocklands	South Africa	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Cairo 3 S	United States	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
White Cliffs (Purnanga)	Australia	Record daily precipitation	7.1 mm (0.28 in)	20 of 100 (Routine)
Ignace	Canada	Record daily snowfall	3.3 cm (1.3 in)	20 of 100 (Routine)
Wangerooge	Germany	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Fort Cunynghame (Bos)	South Africa	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Coshocton Wpc Plt	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Johnstown	United States	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Soltau	Germany	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Lifjell	Norway	Record snow depth	3.0 cm (1.2 in)	20 of 100 (Routine)
Rjukan	Norway	Record daily precipitation	22.3 mm (0.9 in)	20 of 100 (Routine)
Heidelberg Cape (Pol)	South Africa	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

258 records

Records set or tied on 21 October 1942 by type: Highest daily maximum 41, Lowest daily maximum 11, Highest daily minimum 28, Lowest daily minimum 6, Heaviest daily rainfall 166, Heaviest daily snowfall 5, Deepest snow cover 1.

Records on 21 October 1942 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	11
Highest daily minimum	28
Lowest daily minimum	6
Heaviest daily rainfall	166
Heaviest daily snowfall	5
Deepest snow cover	1

Records on 21 October 1942 by timescale: all-time 0, monthly 0, daily 258.

How Much Records Were Beaten By

214 broken records

Margins by which the 214 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.6. Ties are not counted.

Top 20 by Significance

21 October 1942

Top 20 records on 21 October 1942 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1942	Humansdorp (Pol), ZA	daily rain	67.3 mm (2.6 in)	54.3 mm (2.1 in)	33 years	56 of 100 (Notable)
21 October 1942	Missao Velha, BR	daily rain	48.7 mm (1.9 in)	47.3 mm (1.9 in)	28 years	51 of 100 (Notable)
21 October 1942	Cookhouse (Sar), ZA	daily rain	45.2 mm (1.8 in)	37.8 mm (1.5 in)	37 years	45 of 100 (Notable)
21 October 1942	Klipplaat (Sar), ZA	daily rain	27.7 mm (1.1 in)	22.4 mm (0.9 in)	40 years	42 of 100 (Notable)
21 October 1942	Canudos, BR	daily rain	52.5 mm (2.1 in)	51.3 mm (2.0 in)	20 years	41 of 100 (Notable)
21 October 1942	Athens, US	daily rain	57.2 mm (2.3 in)	35.1 mm (1.4 in)	43 years	40 of 100 (Notable)
21 October 1942	Kahuku 912, US	daily rain	57.9 mm (2.3 in)	31.5 mm (1.2 in)	31 years	40 of 100 (Notable)
21 October 1942	Hankey (Pol), ZA	daily rain	43.9 mm (1.7 in)	36.8 mm (1.4 in)	7 years	39 of 100 (Notable)
21 October 1942	Qacu (Bos), ZA	daily rain	41.4 mm (1.6 in)	27.2 mm (1.1 in)	7 years	35 of 100 (Notable)
21 October 1942	Haleakala Rch 432, US	daily rain	64.3 mm (2.5 in)	54.6 mm (2.1 in)	29 years	34 of 100 (Routine)
21 October 1942	Heath Springs, US	daily rain	50.0 mm (2.0 in)	38.1 mm (1.5 in)	32 years	33 of 100 (Routine)
21 October 1942	Newberry, US	daily rain	70.9 mm (2.8 in)	43.0 mm (1.7 in)	12 years	31 of 100 (Routine)
21 October 1942	Winnsboro, US	daily rain	59.2 mm (2.3 in)	36.3 mm (1.4 in)	29 years	31 of 100 (Routine)
21 October 1942	Strawberry Hill (Bos), ZA	daily rain	45.2 mm (1.8 in)	34.3 mm (1.4 in)	8 years	30 of 100 (Routine)
21 October 1942	Vinga, SE	daily rain	28.7 mm (1.1 in)	11.7 mm (0.5 in)	16 years	29 of 100 (Routine)
21 October 1942	Oenpelli, AU	daily rain	38.4 mm (1.5 in)	35.9 mm (1.4 in)	24 years	28 of 100 (Routine)
21 October 1942	Milagres, BR	daily rain	31.0 mm (1.2 in)	23.0 mm (0.9 in)	20 years	28 of 100 (Routine)
21 October 1942	Chappells 2 NNW, US	daily rain	58.4 mm (2.3 in)	37.1 mm (1.5 in)	32 years	28 of 100 (Routine)
21 October 1942	Valley Head, US	daily rain	53.3 mm (2.1 in)	31.7 mm (1.2 in)	12 years	27 of 100 (Routine)
21 October 1942	New Cumberland L/D, US	daily rain	25.1 mm (1.0 in)	8.6 mm (0.34 in)	43 years	27 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 1942

Records set or tied on this calendar date in each year from 1795 to 1942. 1942 had 258 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 1942-10-21: 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 2026-10-15 (15 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).

Histogram of margins by which records were beaten on 21 October 1942
Margin	Records
0 to 10	156
10 to 20	31
20 to 30	10
30 to 40	12
40 to 50	2
50 to 60	3