Weather Records on 9 August 1947

544 weather records were set or tied worldwide on 9 August 1947. Highest significance: Sonamukhi, IN.

Key Facts for 9 August 1947

On 9 August 1947, 544 weather records were set or tied at long-record stations worldwide.
302 were record highs and 83 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 24 monthly and 518 daily.
Sonamukhi set a daily record precipitation of 127.0 mm (5.0 in) on 9 August 1947.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 474 records.

Record Map

544 stations

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

Weather records on 9 August 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sonamukhi	India	Record daily precipitation	127.0 mm (5.0 in)	55 of 100 (Notable)
Boothulla	Australia	Record daily precipitation	54.6 mm (2.1 in)	54 of 100 (Notable)
Ettumanur	India	Record daily precipitation	147.3 mm (5.8 in)	45 of 100 (Notable)
Cape Barren Island (Cape Barre	Australia	Record daily precipitation	26.2 mm (1.0 in)	43 of 100 (Notable)
Saraipali	India	Record daily precipitation	113.5 mm (4.5 in)	38 of 100 (Notable)
Yemmiganur	India	Record daily precipitation	101.9 mm (4.0 in)	37 of 100 (Notable)
Geneva Exp STN	United States	Record daily precipitation	58.9 mm (2.3 in)	35 of 100 (Notable)
Yeola	India	Record daily precipitation	62.2 mm (2.4 in)	34 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	52.3 mm (2.1 in)	33 of 100 (Routine)
Musiri	India	Record daily precipitation	54.1 mm (2.1 in)	32 of 100 (Routine)
Longreach Post Office	Australia	Record high minimum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Leslie Canyon	United States	Record daily precipitation	41.7 mm (1.6 in)	30 of 100 (Routine)
Gayndah Post Office	Australia	Record high minimum temperature	18.2 C (64.8 F)	29 of 100 (Routine)
Iguape	Brazil	Record daily precipitation	36.0 mm (1.4 in)	29 of 100 (Routine)
Castlewood	United States	Record high maximum temperature	39.4 C (102.9 F)	29 of 100 (Routine)
Newgate	Canada	Record low maximum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Dhone	India	Record daily precipitation	36.3 mm (1.4 in)	27 of 100 (Routine)
Salome 6 SE	United States	Record daily precipitation	32.8 mm (1.3 in)	26 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record daily precipitation	36.8 mm (1.4 in)	26 of 100 (Routine)
Academy 2NE	United States	Record high minimum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Wentworth 2.5 WNW	United States	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
Copperhill	United States	Record daily precipitation	40.6 mm (1.6 in)	26 of 100 (Routine)
Flandreau	United States	Record high maximum temperature	38.3 C (100.9 F)	25 of 100 (Routine)
Guntur	India	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Azimganj	India	Record daily precipitation	64.8 mm (2.6 in)	24 of 100 (Routine)
Seligman	United States	Record daily precipitation	32.0 mm (1.3 in)	24 of 100 (Routine)
Greeley	United States	Record high minimum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Estherville 4E	United States	Record high maximum temperature	38.9 C (102.0 F)	24 of 100 (Routine)
Chattanooga	United States	Record high minimum temperature	28.9 C (84.0 F)	24 of 100 (Routine)
Vernon	Canada	Record low maximum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Weissenburg	Germany	Record low minimum temperature	5.8 C (42.4 F)	23 of 100 (Routine)
Islampur	India	Record daily precipitation	34.8 mm (1.4 in)	23 of 100 (Routine)
Russellville	United States	Record high minimum temperature	24.4 C (75.9 F)	23 of 100 (Routine)
Calhoun 2 N	United States	Record high minimum temperature	27.2 C (81.0 F)	23 of 100 (Routine)
Mackinaw City 2	United States	Record high minimum temperature	20.6 C (69.1 F)	23 of 100 (Routine)
Jim Thorpe	United States	Record high minimum temperature	23.9 C (75.0 F)	23 of 100 (Routine)
Hunters STN	United States	Record high minimum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Jalna	India	Record daily precipitation	59.7 mm (2.4 in)	22 of 100 (Routine)
Sholapur	India	Record daily precipitation	49.3 mm (1.9 in)	22 of 100 (Routine)
Raiford State Prison	United States	Record low minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Rutland	United States	Record high minimum temperature	23.9 C (75.0 F)	22 of 100 (Routine)
Grantsburg	United States	Record daily precipitation	58.4 mm (2.3 in)	22 of 100 (Routine)
Houston Wb City	United States	Record high maximum temperature	39.4 C (102.9 F)	22 of 100 (Routine)
Kamsack	Canada	Record high minimum temperature	18.3 C (64.9 F)	21 of 100 (Routine)
Sepaya	India	Record daily precipitation	69.1 mm (2.7 in)	21 of 100 (Routine)
Sindgi	India	Record daily precipitation	34.3 mm (1.4 in)	21 of 100 (Routine)
Muddebihal	India	Record daily precipitation	28.2 mm (1.1 in)	21 of 100 (Routine)
Boulder	United States	Record high minimum temperature	20.6 C (69.1 F)	21 of 100 (Routine)
New London	United States	Record high maximum temperature	35.6 C (96.1 F)	21 of 100 (Routine)
New Ulm 2 SE	United States	Record high minimum temperature	24.4 C (75.9 F)	21 of 100 (Routine)
Snowville	United States	Record low maximum temperature	25.0 C (77.0 F)	21 of 100 (Routine)
Foxpark	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)
Ayrshire Downs	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Deer Park AP	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Golden A	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Alexandria	Australia	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Malad	United States	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Newport	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Archer Point Lighthouse	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Turgaj	Kazakhstan	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)

Counts by Type and Timescale

544 records

Records set or tied on 9 August 1947 by type: Highest daily maximum 161, Lowest daily maximum 55, Highest daily minimum 141, Lowest daily minimum 28, Heaviest daily rainfall 159.

Records on 9 August 1947 by type
Record type	Records
Highest daily maximum	161
Lowest daily maximum	55
Highest daily minimum	141
Lowest daily minimum	28
Heaviest daily rainfall	159
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1947 by timescale: all-time 2, monthly 24, daily 518.

How Much Records Were Beaten By

416 broken records

Margins by which the 416 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.9. Ties are not counted.

Top 20 by Significance

9 August 1947

Top 20 records on 9 August 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1947	Sonamukhi, IN	daily rain	127.0 mm (5.0 in)	88.9 mm (3.5 in)	38 years	55 of 100 (Notable)
9 August 1947	Boothulla, AU	monthly rain	54.6 mm (2.1 in)	23.9 mm (0.9 in)	31 years	54 of 100 (Notable)
9 August 1947	Ettumanur, IN	daily rain	147.3 mm (5.8 in)	73.6 mm (2.9 in)	16 years	45 of 100 (Notable)
9 August 1947	Cape Barren Island (Cape Barre, AU	daily rain	26.2 mm (1.0 in)	17.6 mm (0.7 in)	32 years	43 of 100 (Notable)
9 August 1947	Saraipali, IN	daily rain	113.5 mm (4.5 in)	62.2 mm (2.4 in)	40 years	38 of 100 (Notable)
9 August 1947	Yemmiganur, IN	monthly rain	101.9 mm (4.0 in)	25.7 mm (1.0 in)	13 years	37 of 100 (Notable)
9 August 1947	Geneva Exp STN, US	daily rain	58.9 mm (2.3 in)	28.4 mm (1.1 in)	28 years	35 of 100 (Notable)
9 August 1947	Yeola, IN	daily rain	62.2 mm (2.4 in)	33.0 mm (1.3 in)	5 years	34 of 100 (Routine)
9 August 1947	Philadelphia City, US	daily rain	52.3 mm (2.1 in)	8.4 mm (0.33 in)	72 years	33 of 100 (Routine)
9 August 1947	Musiri, IN	daily rain	54.1 mm (2.1 in)	31.7 mm (1.2 in)	37 years	32 of 100 (Routine)
9 August 1947	Longreach Post Office, AU	monthly high min	21.1 C (70.0 F)	0.4 C (0.7 F)	46 years	30 of 100 (Routine)
9 August 1947	Leslie Canyon, US	daily rain	41.7 mm (1.6 in)	19.9 mm (0.8 in)	24 years	30 of 100 (Routine)
9 August 1947	Gayndah Post Office, AU	monthly high min	18.2 C (64.8 F)	0.4 C (0.7 F)	49 years	29 of 100 (Routine)
9 August 1947	Iguape, BR	daily rain	36.0 mm (1.4 in)	17.5 mm (0.7 in)	36 years	29 of 100 (Routine)
9 August 1947	Castlewood, US	daily high max	39.4 C (102.9 F)	3.8 C (6.8 F)	53 years	29 of 100 (Routine)
9 August 1947	Newgate, CA	daily low max	11.7 C (53.1 F)	7.7 C (13.9 F)	28 years	28 of 100 (Routine)
9 August 1947	Dhone, IN	daily rain	36.3 mm (1.4 in)	24.9 mm (1.0 in)	6 years	27 of 100 (Routine)
9 August 1947	Salome 6 SE, US	daily rain	32.8 mm (1.3 in)	13.0 mm (0.5 in)	26 years	26 of 100 (Routine)
9 August 1947	Altoona Horseshoe Curv, US	daily rain	36.8 mm (1.4 in)	16.0 mm (0.6 in)	28 years	26 of 100 (Routine)
9 August 1947	Academy 2NE, US	daily high min	25.6 C (78.1 F)	2.8 C (5.0 F)	46 years	26 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

1798 to 1947

Records set or tied on this calendar date in each year from 1798 to 1947. 1947 had 544 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1947-08-09: 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	400
20 to 40	13
40 to 60	0
60 to 80	2
80 to 100	1