Weather Records on 11 October 1947

405 weather records were set or tied worldwide on 11 October 1947. Highest significance: Illalangi, AU.

Key Facts for 11 October 1947

On 11 October 1947, 405 weather records were set or tied at long-record stations worldwide.
199 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 397 daily.
Illalangi set a monthly record daily precipitation of 74.9 mm (2.9 in) on 11 October 1947.
Across 165 earlier years (1793 to 2026) the same calendar date averaged 455 records.

Record Map

405 stations

405 station records on 11 October 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 October 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Illalangi	Australia	Record daily precipitation	74.9 mm (2.9 in)	56 of 100 (Notable)
Wattlegrove	Australia	Record daily precipitation	61.0 mm (2.4 in)	55 of 100 (Notable)
Rosewood	Australia	Record daily precipitation	29.0 mm (1.1 in)	54 of 100 (Notable)
Pembina	United States	Record daily precipitation	34.0 mm (1.3 in)	53 of 100 (Notable)
Albany 1 N	United States	Record daily precipitation	30.0 mm (1.2 in)	47 of 100 (Notable)
Monticello	United States	Record daily precipitation	86.1 mm (3.4 in)	44 of 100 (Notable)
Park River	United States	Record daily precipitation	39.1 mm (1.5 in)	39 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	36.2 mm (1.4 in)	38 of 100 (Notable)
Paragonah	United States	Record daily precipitation	31.5 mm (1.2 in)	36 of 100 (Notable)
Aryankavu	India	Record daily precipitation	129.5 mm (5.1 in)	35 of 100 (Notable)
Inskip Inn	United States	Record daily precipitation	81.3 mm (3.2 in)	35 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	49.8 mm (2.0 in)	35 of 100 (Notable)
Armagh	United Kingdom	Record high maximum temperature	19.7 C (67.5 F)	34 of 100 (Routine)
Fillmore	United States	Record daily precipitation	29.7 mm (1.2 in)	33 of 100 (Routine)
Childs	United States	Record high minimum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Hawthorne	United States	Record daily precipitation	42.9 mm (1.7 in)	32 of 100 (Routine)
Ft Yates 4 SW	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high maximum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Longmont 2 ESE	United States	Record high minimum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Jefferson	United States	Record daily precipitation	28.7 mm (1.1 in)	31 of 100 (Routine)
Denmark	Australia	Record daily precipitation	39.6 mm (1.6 in)	30 of 100 (Routine)
Lyndhurst Station	Australia	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Innsbruck	Austria	Record high minimum temperature	12.0 C (53.6 F)	29 of 100 (Routine)
Srivaikuntam	India	Record daily precipitation	85.1 mm (3.4 in)	29 of 100 (Routine)
Elandshoek	South Africa	Record daily precipitation	36.8 mm (1.4 in)	29 of 100 (Routine)
King River	Australia	Record daily precipitation	32.5 mm (1.3 in)	28 of 100 (Routine)
Rico	United States	Record daily precipitation	29.2 mm (1.1 in)	27 of 100 (Routine)
Spearfish 9 WNW	United States	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Durham	United Kingdom	Record high maximum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Springville Tule Hd	United States	Record daily precipitation	43.2 mm (1.7 in)	26 of 100 (Routine)
Kakatpur	India	Record daily precipitation	77.2 mm (3.0 in)	25 of 100 (Routine)
Detroit	United States	Record daily precipitation	46.7 mm (1.8 in)	25 of 100 (Routine)
Redwood Falls Muni AP	United States	Record high minimum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Lohar-Daga	India	Record daily precipitation	32.3 mm (1.3 in)	24 of 100 (Routine)
Sheffield	United Kingdom	Record high maximum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Summit	United States	Record daily precipitation	43.9 mm (1.7 in)	24 of 100 (Routine)
Lemmon	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Namakkal	India	Record daily precipitation	52.1 mm (2.1 in)	23 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record high minimum temperature	8.8 C (47.8 F)	23 of 100 (Routine)
Timovskoe	Russia	Record high minimum temperature	6.8 C (44.2 F)	23 of 100 (Routine)
Poronajsk	Russia	Record daily precipitation	35.3 mm (1.4 in)	23 of 100 (Routine)
Armour	United States	Record high minimum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Scipio	United States	Record low maximum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Saraipali	India	Record daily precipitation	27.2 mm (1.1 in)	22 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high minimum temperature	24.2 C (75.6 F)	22 of 100 (Routine)
Fullerton 1 ESE	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Mankayane	Swaziland	Record daily precipitation	47.8 mm (1.9 in)	22 of 100 (Routine)
Sarangarh	India	Record daily precipitation	55.9 mm (2.2 in)	21 of 100 (Routine)
Ames	United States	Record daily precipitation	29.5 mm (1.2 in)	21 of 100 (Routine)
Minneapolis	United States	Record high maximum temperature	32.2 C (90.0 F)	21 of 100 (Routine)
Perry	United States	Record high maximum temperature	31.7 C (89.1 F)	21 of 100 (Routine)
Powell	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Crested Butte	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Buffalo Bill Dam	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Indian Bay	Canada	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Ellerston (Glenrock)	Australia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Lovell	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Arthur River	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Arlington	United States	Record daily precipitation	6.9 mm (0.27 in)	20 of 100 (Routine)
Deerfield Dam	United States	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

405 records

Records set or tied on 11 October 1947 by type: Highest daily maximum 76, Lowest daily maximum 28, Highest daily minimum 123, Lowest daily minimum 3, Heaviest daily rainfall 174, Heaviest daily snowfall 1.

Records on 11 October 1947 by type
Record type	Records
Highest daily maximum	76
Lowest daily maximum	28
Highest daily minimum	123
Lowest daily minimum	3
Heaviest daily rainfall	174
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 11 October 1947 by timescale: all-time 0, monthly 8, daily 397.

How Much Records Were Beaten By

334 broken records

Margins by which the 334 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.5. Ties are not counted.

Top 20 by Significance

11 October 1947

Top 20 records on 11 October 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 October 1947	Illalangi, AU	monthly rain	74.9 mm (2.9 in)	38.6 mm (1.5 in)	12 years	56 of 100 (Notable)
11 October 1947	Wattlegrove, AU	monthly rain	61.0 mm (2.4 in)	20.4 mm (0.8 in)	33 years	55 of 100 (Notable)
11 October 1947	Rosewood, AU	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	53 years	54 of 100 (Notable)
11 October 1947	Pembina, US	daily rain	34.0 mm (1.3 in)	26.4 mm (1.0 in)	28 years	53 of 100 (Notable)
11 October 1947	Albany 1 N, US	daily rain	30.0 mm (1.2 in)	21.1 mm (0.8 in)	53 years	47 of 100 (Notable)
11 October 1947	Monticello, US	daily rain	86.1 mm (3.4 in)	63.0 mm (2.5 in)	12 years	44 of 100 (Notable)
11 October 1947	Park River, US	daily rain	39.1 mm (1.5 in)	22.8 mm (0.9 in)	16 years	39 of 100 (Notable)
11 October 1947	Aleksandrovsk-Sahalinskij, RU	daily rain	36.2 mm (1.4 in)	10.1 mm (0.4 in)	58 years	38 of 100 (Notable)
11 October 1947	Paragonah, US	daily rain	31.5 mm (1.2 in)	20.1 mm (0.8 in)	18 years	36 of 100 (Notable)
11 October 1947	Aryankavu, IN	daily rain	129.5 mm (5.1 in)	63.5 mm (2.5 in)	4 years	35 of 100 (Notable)
11 October 1947	Inskip Inn, US	daily rain	81.3 mm (3.2 in)	45.0 mm (1.8 in)	36 years	35 of 100 (Notable)
11 October 1947	Elizabethtown, US	daily rain	49.8 mm (2.0 in)	40.9 mm (1.6 in)	33 years	35 of 100 (Notable)
11 October 1947	Armagh, GB	daily high max	19.7 C (67.5 F)	0.3 C (0.5 F)	77 years	34 of 100 (Routine)
11 October 1947	Fillmore, US	daily rain	29.7 mm (1.2 in)	12.2 mm (0.5 in)	47 years	33 of 100 (Routine)
11 October 1947	Childs, US	daily high min	23.9 C (75.0 F)	8.3 C (14.9 F)	25 years	32 of 100 (Routine)
11 October 1947	Hawthorne, US	daily rain	42.9 mm (1.7 in)	25.6 mm (1.0 in)	21 years	32 of 100 (Routine)
11 October 1947	Ft Yates 4 SW, US	monthly rain	50.8 mm (2.0 in)	10.2 mm (0.4 in)	14 years	32 of 100 (Routine)
11 October 1947	Stornoway Airport, GB	daily high max	16.7 C (62.1 F)	1.7 C (3.1 F)	56 years	31 of 100 (Routine)
11 October 1947	Longmont 2 ESE, US	monthly high min	11.7 C (53.1 F)	0.6 C (1.1 F)	51 years	31 of 100 (Routine)
11 October 1947	Jefferson, US	daily rain	28.7 mm (1.1 in)	15.5 mm (0.6 in)	26 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

1793 to 1947

Records set or tied on this calendar date in each year from 1793 to 1947. 1947 had 405 records.

Counts for years before the ledger starts come from the same station rules.

Records on 10-11 in each year
Year	Records
1793	1
1801	1
1802	2
1803	1
1805	1
1807	1
1811	1
1814	2
1839	1
1845	1
1849	1
1851	1
1852	1
1854	1
1859	1
1860	4
1861	1
1864	2
1867	2
1869	1
1870	1
1872	2
1873	2
1875	1
1876	4
1877	3
1879	2
1880	2
1884	2
1885	5
1887	4
1888	2
1889	3
1890	1
1891	2
1892	2
1896	2
1897	4
1898	4
1900	1
1901	8
1902	14
1903	10
1904	20
1905	17
1906	52
1907	10
1908	11
1909	17
1910	31
1911	14
1912	21
1913	48
1914	40
1915	14
1916	25
1917	48
1918	32
1919	76
1920	140
1921	92
1922	35
1923	231
1924	149
1925	196
1926	137
1927	176
1928	713
1929	259
1930	656
1931	396
1932	235
1933	200
1934	862
1935	245
1936	243
1937	242
1938	438
1939	249
1940	201
1941	190
1942	537
1943	414
1944	247
1945	284
1946	770
1947	405
1948	736
1949	835
1950	450
1951	538
1952	472
1953	408
1954	672
1955	434
1956	894
1957	258
1958	795
1959	1,027
1960	333
1961	610
1962	857
1963	570
1964	927
1965	202
1966	279
1967	643
1968	312
1969	1,032
1970	859
1971	521
1972	708
1973	1,325
1974	356
1975	559
1976	565
1977	655
1978	426
1979	1,260
1980	478
1981	776
1982	1,141
1983	542
1984	552
1985	977
1986	961
1987	1,603
1988	621
1989	571
1990	1,617
1991	1,055
1992	527
1993	883
1994	726
1995	975
1996	842
1997	1,809
1998	750
1999	996
2000	1,782
2001	962
2002	1,000
2003	1,191
2004	593
2005	1,044
2006	840
2007	610
2008	1,369
2009	2,594
2010	964
2011	1,176
2012	696
2013	666
2014	620
2015	1,032
2016	378
2017	1,101
2018	1,517
2019	1,760
2020	680
2021	873
2022	244
2023	858
2024	842
2025	711
2026	864

Download the Data

Data for records on 1947-10-11: 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 10	278
10 to 20	32
20 to 30	17
30 to 40	2
40 to 50	3
50 to 60	0
60 to 70	2