Weather Records on 20 October 1943

501 weather records were set or tied worldwide on 20 October 1943. Highest significance: Bloomsbury Post Office, AU.

Key Facts for 20 October 1943

On 20 October 1943, 501 weather records were set or tied at long-record stations worldwide.
107 were record highs and 97 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 498 daily.
Bloomsbury Post Office set a daily record precipitation of 51.6 mm (2.0 in) on 20 October 1943.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 457 records.

Record Map

501 stations

501 station records on 20 October 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bloomsbury Post Office	Australia	Record daily precipitation	51.6 mm (2.0 in)	53 of 100 (Notable)
Parkdale	United States	Record daily precipitation	43.7 mm (1.7 in)	52 of 100 (Notable)
Chaplin	Canada	Record daily precipitation	39.9 mm (1.6 in)	51 of 100 (Notable)
Salem AP (McNary Field)	United States	Record daily precipitation	44.7 mm (1.8 in)	48 of 100 (Notable)
Duaringa Post Office	Australia	Record daily precipitation	54.1 mm (2.1 in)	44 of 100 (Notable)
Caboolture Post Office	Australia	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	63.0 mm (2.5 in)	43 of 100 (Notable)
Nabinagar	India	Record daily precipitation	62.0 mm (2.4 in)	43 of 100 (Notable)
Malta	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Tweed Heads Golf Club	Australia	Record daily precipitation	61.2 mm (2.4 in)	42 of 100 (Notable)
Tallebudgera Guineas Creek Roa	Australia	Record daily precipitation	45.7 mm (1.8 in)	41 of 100 (Notable)
Blue Mountain	Australia	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Plane Creek Sugar Mill	Australia	Record daily precipitation	45.5 mm (1.8 in)	40 of 100 (Notable)
Sholavandan	India	Record daily precipitation	99.1 mm (3.9 in)	40 of 100 (Notable)
Christmas Creek	Australia	Record daily precipitation	33.8 mm (1.3 in)	39 of 100 (Notable)
Indooroopilly Bowls Club	Australia	Record daily precipitation	39.6 mm (1.6 in)	39 of 100 (Notable)
Green Rvr	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Coorparoo Bowls Club	Australia	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Hirekerur	India	Record daily precipitation	76.7 mm (3.0 in)	37 of 100 (Notable)
Mullumbimby (Fairview Farm)	Australia	Record daily precipitation	48.5 mm (1.9 in)	36 of 100 (Notable)
White Salmon 4 NNE	United States	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Sarina Post Office	Australia	Record daily precipitation	37.3 mm (1.5 in)	33 of 100 (Routine)
Graceville Bowls Club	Australia	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Chopda	India	Record daily precipitation	65.3 mm (2.6 in)	33 of 100 (Routine)
Navalgund	India	Record daily precipitation	56.9 mm (2.2 in)	32 of 100 (Routine)
Yaamba	Australia	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Daudnagar(Haspur)	India	Record daily precipitation	60.2 mm (2.4 in)	31 of 100 (Routine)
Dudhi	India	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Dingo Post Office	Australia	Record daily precipitation	43.2 mm (1.7 in)	30 of 100 (Routine)
Morningside	Australia	Record daily precipitation	28.4 mm (1.1 in)	30 of 100 (Routine)
Soldier Creek Adm Site	United States	Record daily snowfall	10.2 cm (4.0 in)	30 of 100 (Routine)
New London	United States	Record daily precipitation	46.5 mm (1.8 in)	30 of 100 (Routine)
Wolston Park Hospital	Australia	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Condong Sugar Mill	Australia	Record daily precipitation	47.0 mm (1.9 in)	29 of 100 (Routine)
Naboomspruit (Pol)	South Africa	Record daily precipitation	34.0 mm (1.3 in)	29 of 100 (Routine)
Te Kowai Exp STN	Australia	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Walkerston	Australia	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Ipswich	Australia	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Toowong Bowls Club	Australia	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Back Plains	Australia	Record daily precipitation	25.9 mm (1.0 in)	28 of 100 (Routine)
Graz	Austria	Record high maximum temperature	22.5 C (72.5 F)	28 of 100 (Routine)
Sandvig	Denmark	Record high maximum temperature	15.1 C (59.2 F)	28 of 100 (Routine)
Bishrampur	India	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Dehri	India	Record daily precipitation	44.7 mm (1.8 in)	28 of 100 (Routine)
Uluberia	India	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Collaroy Station	Australia	Record daily precipitation	35.3 mm (1.4 in)	27 of 100 (Routine)
Eton Police Station	Australia	Record daily precipitation	26.4 mm (1.0 in)	27 of 100 (Routine)
Boonah Stark Ave	Australia	Record daily precipitation	42.7 mm (1.7 in)	27 of 100 (Routine)
Rockhampton Post Office	Australia	Record daily precipitation	33.5 mm (1.3 in)	25 of 100 (Routine)
Clunes	Australia	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Illerbrun	Canada	Record daily snowfall	8.6 cm (3.4 in)	24 of 100 (Routine)
Klintonel	Canada	Record daily snowfall	14.7 cm (5.8 in)	24 of 100 (Routine)
Aurangabad	India	Record daily precipitation	64.5 mm (2.5 in)	24 of 100 (Routine)
Bassawan	India	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Muddebihal	India	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
San Carlos Rsvr	United States	Record low maximum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Crested Butte	United States	Record snow depth	15.2 cm (6.0 in)	24 of 100 (Routine)
Rolleston	Australia	Record daily precipitation	32.8 mm (1.3 in)	23 of 100 (Routine)
Tomewin (Border Gate)	Australia	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)
Bisbee	United States	Record low minimum temperature	2.8 C (37.0 F)	23 of 100 (Routine)

Counts by Type and Timescale

501 records

Records set or tied on 20 October 1943 by type: Highest daily maximum 69, Lowest daily maximum 65, Highest daily minimum 38, Lowest daily minimum 32, Heaviest daily rainfall 280, Heaviest daily snowfall 15, Deepest snow cover 2.

Records on 20 October 1943 by type
Record type	Records
Highest daily maximum	69
Lowest daily maximum	65
Highest daily minimum	38
Lowest daily minimum	32
Heaviest daily rainfall	280
Heaviest daily snowfall	15
Deepest snow cover	2

Records on 20 October 1943 by timescale: all-time 0, monthly 3, daily 498.

How Much Records Were Beaten By

407 broken records

Margins by which the 407 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

20 October 1943

Top 20 records on 20 October 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1943	Bloomsbury Post Office, AU	daily rain	51.6 mm (2.0 in)	46.3 mm (1.8 in)	51 years	53 of 100 (Notable)
20 October 1943	Parkdale, US	daily rain	43.7 mm (1.7 in)	37.1 mm (1.5 in)	30 years	52 of 100 (Notable)
20 October 1943	Chaplin, CA	monthly rain	39.9 mm (1.6 in)	13.7 mm (0.5 in)	32 years	51 of 100 (Notable)
20 October 1943	Salem AP (McNary Field), US	daily rain	44.7 mm (1.8 in)	23.4 mm (0.9 in)	45 years	48 of 100 (Notable)
20 October 1943	Duaringa Post Office, AU	daily rain	54.1 mm (2.1 in)	42.9 mm (1.7 in)	12 years	44 of 100 (Notable)
20 October 1943	Caboolture Post Office, AU	daily rain	41.9 mm (1.6 in)	24.1 mm (0.9 in)	53 years	43 of 100 (Notable)
20 October 1943	Milton Post Office, AU	daily rain	63.0 mm (2.5 in)	36.8 mm (1.4 in)	65 years	43 of 100 (Notable)
20 October 1943	Nabinagar, IN	daily rain	62.0 mm (2.4 in)	58.4 mm (2.3 in)	36 years	43 of 100 (Notable)
20 October 1943	Malta, US	daily rain	30.5 mm (1.2 in)	22.4 mm (0.9 in)	9 years	43 of 100 (Notable)
20 October 1943	Tweed Heads Golf Club, AU	daily rain	61.2 mm (2.4 in)	41.1 mm (1.6 in)	40 years	42 of 100 (Notable)
20 October 1943	Tallebudgera Guineas Creek Roa, AU	daily rain	45.7 mm (1.8 in)	30.5 mm (1.2 in)	43 years	41 of 100 (Notable)
20 October 1943	Blue Mountain, AU	daily rain	41.9 mm (1.6 in)	41.9 mm (1.6 in)	29 years	40 of 100 (Notable)
20 October 1943	Plane Creek Sugar Mill, AU	daily rain	45.5 mm (1.8 in)	45.5 mm (1.8 in)	29 years	40 of 100 (Notable)
20 October 1943	Sholavandan, IN	daily rain	99.1 mm (3.9 in)	56.7 mm (2.2 in)	29 years	40 of 100 (Notable)
20 October 1943	Christmas Creek, AU	daily rain	33.8 mm (1.3 in)	31.0 mm (1.2 in)	26 years	39 of 100 (Notable)
20 October 1943	Indooroopilly Bowls Club, AU	daily rain	39.6 mm (1.6 in)	29.4 mm (1.2 in)	43 years	39 of 100 (Notable)
20 October 1943	Green Rvr, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	36 years	38 of 100 (Notable)
20 October 1943	Coorparoo Bowls Club, AU	daily rain	33.0 mm (1.3 in)	23.1 mm (0.9 in)	43 years	37 of 100 (Notable)
20 October 1943	Hirekerur, IN	daily rain	76.7 mm (3.0 in)	33.5 mm (1.3 in)	38 years	37 of 100 (Notable)
20 October 1943	Mullumbimby (Fairview Farm), AU	daily rain	48.5 mm (1.9 in)	35.8 mm (1.4 in)	40 years	36 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

1806 to 1943

Records set or tied on this calendar date in each year from 1806 to 1943. 1943 had 501 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 1943-10-20: 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	345
20 to 40	48
40 to 60	9
60 to 80	1
80 to 100	0
100 to 120	3
120 to 140	0
140 to 160	1