Weather Records on 9 October 1947

277 weather records were set or tied worldwide on 9 October 1947. Highest significance: Glenmorgan, IN.

Key Facts for 9 October 1947

On 9 October 1947, 277 weather records were set or tied at long-record stations worldwide.
67 were record highs and 38 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 2 monthly and 274 daily.
Glenmorgan set a daily record precipitation of 168.9 mm (6.6 in) on 9 October 1947.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 469 records.

Record Map

277 stations

277 station records on 9 October 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 October 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Glenmorgan	India	Record daily precipitation	168.9 mm (6.6 in)	56 of 100 (Notable)
Mt Airy 2 W	United States	Record daily precipitation	95.5 mm (3.8 in)	55 of 100 (Notable)
Deal Island	Australia	Record daily precipitation	36.3 mm (1.4 in)	47 of 100 (Notable)
Wingaroo	Australia	Record daily precipitation	40.9 mm (1.6 in)	46 of 100 (Notable)
Riverdale	Australia	Record daily precipitation	31.5 mm (1.2 in)	45 of 100 (Notable)
Pelzer	United States	Record daily precipitation	166.1 mm (6.5 in)	37 of 100 (Notable)
Kilanilai	India	Record daily precipitation	102.4 mm (4.0 in)	36 of 100 (Notable)
Logan	United States	Record daily precipitation	51.8 mm (2.0 in)	36 of 100 (Notable)
Berkeley	United States	Record daily precipitation	38.6 mm (1.5 in)	34 of 100 (Routine)
Oakland	United States	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Vestervig	Denmark	Record high maximum temperature	18.2 C (64.8 F)	32 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record high maximum temperature	24.0 C (75.2 F)	32 of 100 (Routine)
Drain	United States	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Catawba Hospital	United States	Record daily precipitation	64.8 mm (2.6 in)	32 of 100 (Routine)
Cape Leeuwin	Australia	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Napa State Hospital	United States	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Centerville Ph	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Omalur	India	Record daily precipitation	40.4 mm (1.6 in)	27 of 100 (Routine)
Big Sur STN	United States	Record daily precipitation	40.9 mm (1.6 in)	27 of 100 (Routine)
Brookings	United States	Record daily precipitation	83.1 mm (3.3 in)	27 of 100 (Routine)
Ellerston (Hunters Vale)	Australia	Record daily precipitation	26.4 mm (1.0 in)	26 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record high maximum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Chico UNIV Farm	United States	Record daily precipitation	27.7 mm (1.1 in)	26 of 100 (Routine)
Childs	United States	Record high minimum temperature	23.3 C (73.9 F)	25 of 100 (Routine)
Crescent City 3 NNW	United States	Record daily precipitation	97.8 mm (3.9 in)	25 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	18.5 C (65.3 F)	24 of 100 (Routine)
Krishnarajnagar	India	Record daily precipitation	54.6 mm (2.1 in)	24 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high minimum temperature	23.8 C (74.8 F)	24 of 100 (Routine)
Forman 5 SSE	United States	Record high minimum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Cascade Locks	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Blacksburg	United States	Record daily precipitation	30.0 mm (1.2 in)	24 of 100 (Routine)
Hunsur	India	Record daily precipitation	48.3 mm (1.9 in)	23 of 100 (Routine)
Graz	Austria	Record high maximum temperature	22.9 C (73.2 F)	22 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record low maximum temperature	-7.6 C (18.3 F)	22 of 100 (Routine)
Healdsburg	United States	Record daily precipitation	25.4 mm (1.0 in)	22 of 100 (Routine)
Orland	United States	Record low maximum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Lakeside	United States	Record low maximum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Milesovka	Czech Republic	Record high maximum temperature	19.8 C (67.6 F)	21 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	11.9 C (53.4 F)	21 of 100 (Routine)
Shenkursk	Russia	Record daily precipitation	30.7 mm (1.2 in)	21 of 100 (Routine)
Upper Lake 2 N	United States	Record low maximum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Kalama 5 ENE	United States	Record daily precipitation	33.5 mm (1.3 in)	21 of 100 (Routine)
Dufur	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Conconully	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Cobar (Tindarey)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Kennewick	United States	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Girilambone (Ampol)	Australia	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Arlington	United States	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Kallara	Australia	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Nyngan (Merryanbone)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
White Salmon 4 NNE	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Sussex	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Tonderburine	Australia	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Harrington 5 S	United States	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Girilambone (Booroomugga)	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Greensburg	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Sunnyside	United States	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Ephrata	United States	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Echo	United States	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Hood Rvr Exp STN	United States	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

277 records

Records set or tied on 9 October 1947 by type: Highest daily maximum 29, Lowest daily maximum 25, Highest daily minimum 38, Lowest daily minimum 13, Heaviest daily rainfall 172.

Records on 9 October 1947 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	25
Highest daily minimum	38
Lowest daily minimum	13
Heaviest daily rainfall	172
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 October 1947 by timescale: all-time 1, monthly 2, daily 274.

How Much Records Were Beaten By

236 broken records

Margins by which the 236 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 115.6. Ties are not counted.

Top 20 by Significance

9 October 1947

Top 20 records on 9 October 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 October 1947	Glenmorgan, IN	daily rain	168.9 mm (6.6 in)	115.6 mm (4.6 in)	40 years	56 of 100 (Notable)
9 October 1947	Mt Airy 2 W, US	daily rain	95.5 mm (3.8 in)	65.3 mm (2.6 in)	52 years	55 of 100 (Notable)
9 October 1947	Deal Island, AU	daily rain	36.3 mm (1.4 in)	27.2 mm (1.1 in)	16 years	47 of 100 (Notable)
9 October 1947	Wingaroo, AU	daily rain	40.9 mm (1.6 in)	30.0 mm (1.2 in)	10 years	46 of 100 (Notable)
9 October 1947	Riverdale, AU	daily rain	31.5 mm (1.2 in)	16.0 mm (0.6 in)	37 years	45 of 100 (Notable)
9 October 1947	Pelzer, US	all-time rain	166.1 mm (6.5 in)	21.8 mm (0.9 in)	7 years	37 of 100 (Notable)
9 October 1947	Kilanilai, IN	daily rain	102.4 mm (4.0 in)	61.8 mm (2.4 in)	1 year	36 of 100 (Notable)
9 October 1947	Logan, US	daily rain	51.8 mm (2.0 in)	34.3 mm (1.4 in)	1 year	36 of 100 (Notable)
9 October 1947	Berkeley, US	daily rain	38.6 mm (1.5 in)	23.4 mm (0.9 in)	24 years	34 of 100 (Routine)
9 October 1947	Oakland, US	daily rain	36.8 mm (1.4 in)	16.2 mm (0.6 in)	42 years	33 of 100 (Routine)
9 October 1947	Vestervig, DK	daily high max	18.2 C (64.8 F)	1.6 C (2.9 F)	68 years	32 of 100 (Routine)
9 October 1947	Leipzig-Holzhausen, DE	daily high max	24.0 C (75.2 F)	1.7 C (3.1 F)	70 years	32 of 100 (Routine)
9 October 1947	Drain, US	daily rain	30.5 mm (1.2 in)	19.8 mm (0.8 in)	32 years	32 of 100 (Routine)
9 October 1947	Catawba Hospital, US	daily rain	64.8 mm (2.6 in)	36.9 mm (1.5 in)	33 years	32 of 100 (Routine)
9 October 1947	Cape Leeuwin, AU	daily high min	17.8 C (64.0 F)	3.1 C (5.6 F)	36 years	30 of 100 (Routine)
9 October 1947	Napa State Hospital, US	daily rain	30.0 mm (1.2 in)	12.5 mm (0.5 in)	42 years	29 of 100 (Routine)
9 October 1947	Centerville Ph, US	daily rain	31.8 mm (1.3 in)	24.9 mm (1.0 in)	26 years	28 of 100 (Routine)
9 October 1947	Omalur, IN	daily rain	40.4 mm (1.6 in)	20.1 mm (0.8 in)	44 years	27 of 100 (Routine)
9 October 1947	Big Sur STN, US	daily rain	40.9 mm (1.6 in)	23.9 mm (0.9 in)	26 years	27 of 100 (Routine)
9 October 1947	Brookings, US	daily rain	83.1 mm (3.3 in)	32.8 mm (1.3 in)	20 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

1793 to 1947

Records set or tied on this calendar date in each year from 1793 to 1947. 1947 had 277 records.

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

Records on 10-09 in each year
Year	Records
1793	1
1795	1
1802	1
1834	1
1837	1
1846	2
1847	1
1854	2
1858	1
1861	1
1864	2
1865	3
1866	1
1867	2
1869	1
1870	2
1875	1
1876	2
1877	2
1879	2
1881	1
1882	1
1884	1
1885	1
1886	1
1887	2
1888	6
1889	1
1890	1
1891	1
1893	5
1895	7
1896	4
1897	1
1898	3
1899	5
1900	5
1901	2
1902	3
1903	15
1904	8
1905	14
1906	29
1907	6
1908	19
1909	34
1910	20
1911	16
1912	23
1913	57
1914	22
1915	25
1916	126
1917	65
1918	16
1919	68
1920	36
1921	217
1922	40
1923	72
1924	95
1925	272
1926	123
1927	107
1928	290
1929	196
1930	276
1931	298
1932	271
1933	187
1934	298
1935	208
1936	569
1937	405
1938	462
1939	877
1940	119
1941	570
1942	330
1943	442
1944	144
1945	539
1946	317
1947	277
1948	438
1949	1,531
1950	618
1951	347
1952	658
1953	343
1954	341
1955	643
1956	468
1957	256
1958	639
1959	1,432
1960	397
1961	622
1962	508
1963	474
1964	841
1965	349
1966	489
1967	347
1968	538
1969	389
1970	1,805
1971	423
1972	371
1973	1,454
1974	513
1975	552
1976	1,448
1977	586
1978	589
1979	914
1980	627
1981	653
1982	1,579
1983	548
1984	579
1985	1,724
1986	556
1987	850
1988	1,060
1989	679
1990	1,714
1991	707
1992	1,050
1993	1,043
1994	772
1995	1,139
1996	1,047
1997	2,113
1998	622
1999	1,017
2000	3,177
2001	855
2002	701
2003	1,386
2004	665
2005	807
2006	640
2007	1,450
2008	473
2009	1,772
2010	1,311
2011	1,046
2012	706
2013	562
2014	652
2015	780
2016	463
2017	1,457
2018	1,290
2019	964
2020	738
2021	751
2022	696
2023	643
2024	963
2025	503
2026	691

Download the Data

Data for records on 1947-10-09: 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	219
20 to 40	14
40 to 60	0
60 to 80	2
80 to 100	0
100 to 120	1