Weather Records on 21 October 1947

977 weather records were set or tied worldwide on 21 October 1947. Highest significance: Talgomine Dns, AU.

Key Facts for 21 October 1947

On 21 October 1947, 977 weather records were set or tied at long-record stations worldwide.
748 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 20 monthly and 956 daily.
Talgomine Dns set a daily record precipitation of 29.2 mm (1.1 in) on 21 October 1947.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 416 records.

Record Map

977 stations

977 station records on 21 October 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Talgomine Dns	Australia	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Carinda (Boorooma)	Australia	Record daily precipitation	33.3 mm (1.3 in)	44 of 100 (Notable)
Rosewood	Australia	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)
Wallowa	United States	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Lugansk	Ukraine	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Vriddhachalam	India	Record daily precipitation	88.1 mm (3.5 in)	37 of 100 (Notable)
Ettumanur	India	Record daily precipitation	102.9 mm (4.1 in)	36 of 100 (Notable)
Kiev	Ukraine	Record daily precipitation	49.5 mm (1.9 in)	36 of 100 (Notable)
Caetite	Brazil	Record daily precipitation	46.5 mm (1.8 in)	35 of 100 (Notable)
Kanakapura	India	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
Gospic	Croatia	Record low minimum temperature	-9.8 C (14.4 F)	34 of 100 (Routine)
Baradine (Caledonia)	Australia	Record daily precipitation	34.0 mm (1.3 in)	33 of 100 (Routine)
Goderich	Canada	Record high maximum temperature	23.9 C (75.0 F)	33 of 100 (Routine)
Krishnarajnagar	India	Record daily precipitation	51.8 mm (2.0 in)	32 of 100 (Routine)
Palani	India	Record daily precipitation	81.3 mm (3.2 in)	32 of 100 (Routine)
Hendrikspan (Skl)	South Africa	Record daily precipitation	27.2 mm (1.1 in)	32 of 100 (Routine)
Somwarpet	India	Record daily precipitation	248.9 mm (9.8 in)	31 of 100 (Routine)
Sfax El-Maou	Tunisia	Record daily precipitation	31.8 mm (1.3 in)	31 of 100 (Routine)
Ny City Cntrl Park	United States	Record high minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Ardrossan (Winulta)	Australia	Record daily precipitation	26.9 mm (1.1 in)	30 of 100 (Routine)
Llanrheidol Station	Australia	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Graz	Austria	Record low minimum temperature	-6.4 C (20.5 F)	30 of 100 (Routine)
Taganrog (Lighthouse)	Russia	Record daily precipitation	29.5 mm (1.2 in)	30 of 100 (Routine)
Belvidere	United States	Record high maximum temperature	30.0 C (86.0 F)	30 of 100 (Routine)
Premer (Eden Moor)	Australia	Record daily precipitation	33.5 mm (1.3 in)	29 of 100 (Routine)
Innsbruck	Austria	Record low minimum temperature	-2.3 C (27.9 F)	29 of 100 (Routine)
Beaver Mines	Canada	Record daily snowfall	29.2 cm (11.5 in)	29 of 100 (Routine)
Cuddalore	India	Record daily precipitation	97.0 mm (3.8 in)	29 of 100 (Routine)
Virudhunagar	India	Record daily precipitation	79.2 mm (3.1 in)	29 of 100 (Routine)
Clear Spring 1 ENE	United States	Record high maximum temperature	32.2 C (90.0 F)	29 of 100 (Routine)
Waratah (Mount Road)	Australia	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Port Said	Egypt	Record low maximum temperature	24.0 C (75.2 F)	28 of 100 (Routine)
Tittagudi	India	Record daily precipitation	70.4 mm (2.8 in)	28 of 100 (Routine)
Bhavani	India	Record daily precipitation	38.1 mm (1.5 in)	28 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record low minimum temperature	-5.8 C (21.6 F)	28 of 100 (Routine)
Algona	United States	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)
Hammond	United States	Record daily precipitation	59.2 mm (2.3 in)	28 of 100 (Routine)
Iowa Falls	United States	Record high maximum temperature	32.2 C (90.0 F)	27 of 100 (Routine)
Caldwell	Canada	Record daily snowfall	10.2 cm (4.0 in)	26 of 100 (Routine)
Beaver Mines	Canada	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Szombathely	Hungary	Record low minimum temperature	-7.8 C (18.0 F)	26 of 100 (Routine)
Sivakasi	India	Record daily precipitation	76.2 mm (3.0 in)	26 of 100 (Routine)
Aravakurichi	India	Record daily precipitation	63.5 mm (2.5 in)	26 of 100 (Routine)
Westcliffe	United States	Record high minimum temperature	6.1 C (43.0 F)	26 of 100 (Routine)
Estherville 4E	United States	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
Northwood	United States	Record high maximum temperature	30.6 C (87.1 F)	26 of 100 (Routine)
Covington 8 WNW	United States	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Solomons	United States	Record high maximum temperature	29.4 C (84.9 F)	26 of 100 (Routine)
Manistee 3SE	United States	Record high maximum temperature	27.8 C (82.0 F)	26 of 100 (Routine)
Taylors Falls 1 NE	United States	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
O'Neill	United States	Record high maximum temperature	35.6 C (96.1 F)	26 of 100 (Routine)
Kapoho 93	United States	Record daily precipitation	57.2 mm (2.3 in)	26 of 100 (Routine)
Sunticoppa	India	Record daily precipitation	61.0 mm (2.4 in)	25 of 100 (Routine)
Sattur	India	Record daily precipitation	77.7 mm (3.1 in)	25 of 100 (Routine)
Meeker	United States	Record high minimum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Grundy Ctr	United States	Record high maximum temperature	30.6 C (87.1 F)	25 of 100 (Routine)
Waukee	United States	Record high maximum temperature	30.6 C (87.1 F)	25 of 100 (Routine)
Schriever	United States	Record daily precipitation	35.6 mm (1.4 in)	25 of 100 (Routine)
Ada	United States	Record high maximum temperature	28.3 C (82.9 F)	25 of 100 (Routine)
Albert Lea 3SE	United States	Record high maximum temperature	31.7 C (89.1 F)	25 of 100 (Routine)

Counts by Type and Timescale

977 records

Records set or tied on 21 October 1947 by type: Highest daily maximum 625, Lowest daily maximum 11, Highest daily minimum 123, Lowest daily minimum 20, Heaviest daily rainfall 191, Heaviest daily snowfall 7.

Records on 21 October 1947 by type
Record type	Records
Highest daily maximum	625
Lowest daily maximum	11
Highest daily minimum	123
Lowest daily minimum	20
Heaviest daily rainfall	191
Heaviest daily snowfall	7
Deepest snow cover	0

Records on 21 October 1947 by timescale: all-time 1, monthly 20, daily 956.

How Much Records Were Beaten By

808 broken records

Margins by which the 808 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 241.0. Ties are not counted.

Top 20 by Significance

21 October 1947

Top 20 records on 21 October 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1947	Talgomine Dns, AU	daily rain	29.2 mm (1.1 in)	25.1 mm (1.0 in)	6 years	45 of 100 (Notable)
21 October 1947	Carinda (Boorooma), AU	daily rain	33.3 mm (1.3 in)	25.7 mm (1.0 in)	29 years	44 of 100 (Notable)
21 October 1947	Rosewood, AU	daily rain	32.3 mm (1.3 in)	29.3 mm (1.2 in)	12 years	41 of 100 (Notable)
21 October 1947	Wallowa, US	daily rain	25.4 mm (1.0 in)	16.5 mm (0.6 in)	26 years	41 of 100 (Notable)
21 October 1947	Lugansk, UA	daily rain	27.2 mm (1.1 in)	9.6 mm (0.38 in)	61 years	40 of 100 (Notable)
21 October 1947	Vriddhachalam, IN	daily rain	88.1 mm (3.5 in)	46.2 mm (1.8 in)	36 years	37 of 100 (Notable)
21 October 1947	Ettumanur, IN	daily rain	102.9 mm (4.1 in)	45.7 mm (1.8 in)	36 years	36 of 100 (Notable)
21 October 1947	Kiev, UA	monthly rain	49.5 mm (1.9 in)	3.1 mm (0.12 in)	51 years	36 of 100 (Notable)
21 October 1947	Caetite, BR	daily rain	46.5 mm (1.8 in)	26.0 mm (1.0 in)	28 years	35 of 100 (Notable)
21 October 1947	Kanakapura, IN	daily rain	53.3 mm (2.1 in)	41.1 mm (1.6 in)	24 years	35 of 100 (Notable)
21 October 1947	Gospic, HR	daily low min	-9.8 C (14.4 F)	6.7 C (12.1 F)	44 years	34 of 100 (Routine)
21 October 1947	Baradine (Caledonia), AU	daily rain	34.0 mm (1.3 in)	25.6 mm (1.0 in)	12 years	33 of 100 (Routine)
21 October 1947	Goderich, CA	daily high max	23.9 C (75.0 F)	1.1 C (2.0 F)	79 years	33 of 100 (Routine)
21 October 1947	Krishnarajnagar, IN	daily rain	51.8 mm (2.0 in)	26.4 mm (1.0 in)	45 years	32 of 100 (Routine)
21 October 1947	Palani, IN	daily rain	81.3 mm (3.2 in)	42.9 mm (1.7 in)	16 years	32 of 100 (Routine)
21 October 1947	Hendrikspan (Skl), ZA	daily rain	27.2 mm (1.1 in)	20.8 mm (0.8 in)	36 years	32 of 100 (Routine)
21 October 1947	Somwarpet, IN	all-time rain	248.9 mm (9.8 in)	0.7 mm (0.03 in)	26 years	31 of 100 (Routine)
21 October 1947	Sfax El-Maou, TN	daily rain	31.8 mm (1.3 in)	15.4 mm (0.6 in)	37 years	31 of 100 (Routine)
21 October 1947	Ny City Cntrl Park, US	daily high min	17.8 C (64.0 F)	2.8 C (5.0 F)	62 years	31 of 100 (Routine)
21 October 1947	Ardrossan (Winulta), AU	daily rain	26.9 mm (1.1 in)	7.6 mm (0.30 in)	41 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

1795 to 1947

Records set or tied on this calendar date in each year from 1795 to 1947. 1947 had 977 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 1947-10-21: 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 50	805
50 to 100	1
100 to 150	1
150 to 200	0
200 to 250	1