Weather Records on 9 August 1951

405 weather records were set or tied worldwide on 9 August 1951. Highest significance: Husum, DE.

Key Facts for 9 August 1951

On 9 August 1951, 405 weather records were set or tied at long-record stations worldwide.
136 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 399 daily.
Husum set a daily record precipitation of 42.5 mm (1.7 in) on 9 August 1951.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 475 records.

Record Map

405 stations

405 station records on 9 August 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Husum	Germany	Record daily precipitation	42.5 mm (1.7 in)	63 of 100 (Major)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	43.7 mm (1.7 in)	59 of 100 (Notable)
Dhoraji	India	Record daily precipitation	109.2 mm (4.3 in)	58 of 100 (Notable)
Rajkot	India	Record daily precipitation	144.8 mm (5.7 in)	56 of 100 (Notable)
Kon-Kolodez	Russia	Record daily precipitation	38.5 mm (1.5 in)	54 of 100 (Notable)
Veraval	India	Record daily precipitation	164.3 mm (6.5 in)	52 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record daily precipitation	52.0 mm (2.0 in)	51 of 100 (Notable)
Sparta 1 W	United States	Record daily precipitation	66.3 mm (2.6 in)	47 of 100 (Notable)
Vang I Valdres	Norway	Record daily precipitation	37.7 mm (1.5 in)	45 of 100 (Notable)
Ranpur	India	Record daily precipitation	89.4 mm (3.5 in)	43 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	28.3 C (82.9 F)	43 of 100 (Notable)
Edgerton	United States	Record daily precipitation	73.4 mm (2.9 in)	43 of 100 (Notable)
Gondal	India	Record daily precipitation	66.0 mm (2.6 in)	41 of 100 (Notable)
Hoorn	Netherlands	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Tunhovd	Norway	Record daily precipitation	31.9 mm (1.3 in)	40 of 100 (Notable)
Ft Scott	United States	Record daily precipitation	74.9 mm (2.9 in)	39 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Rapalle	India	Record daily precipitation	58.4 mm (2.3 in)	37 of 100 (Notable)
Wingaroo	Australia	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Donaldsonville 4 SW	United States	Record low minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Rolla Missouri S&T	United States	Record daily precipitation	77.2 mm (3.0 in)	36 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record low minimum temperature	-1.7 C (28.9 F)	35 of 100 (Notable)
Hoburg	Sweden	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Stockwell	Australia	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Queanbeyan (Mount Campbell)	Australia	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Gospic	Croatia	Record high minimum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Porbandar	India	Record daily precipitation	45.5 mm (1.8 in)	31 of 100 (Routine)
Saint Leo	United States	Record high minimum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Ewing	United States	Record daily precipitation	46.0 mm (1.8 in)	31 of 100 (Routine)
Low Head (Comparison)	Australia	Record low maximum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Nord Odal	Norway	Record daily precipitation	28.2 mm (1.1 in)	30 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	17.1 C (62.8 F)	30 of 100 (Routine)
Lexington 3E	United States	Record daily precipitation	63.2 mm (2.5 in)	30 of 100 (Routine)
Robe Comparison	Australia	Record low maximum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Moncton	Canada	Record daily precipitation	42.9 mm (1.7 in)	29 of 100 (Routine)
Beeville 5 NE	United States	Record high minimum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Bartow 1SE	United States	Record high minimum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Point Escuminac	Canada	Record daily precipitation	38.9 mm (1.5 in)	27 of 100 (Routine)
Woodland	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
York	United States	Record daily precipitation	39.6 mm (1.6 in)	27 of 100 (Routine)
Greenville Dwtn AP	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record low maximum temperature	5.6 C (42.1 F)	26 of 100 (Routine)
Chintalapudi	India	Record daily precipitation	76.2 mm (3.0 in)	26 of 100 (Routine)
Riva	Italy	Record low maximum temperature	22.0 C (71.6 F)	26 of 100 (Routine)
Visby_Flygplats	Sweden	Record daily precipitation	28.3 mm (1.1 in)	26 of 100 (Routine)
Utica	United States	Record daily precipitation	32.3 mm (1.3 in)	26 of 100 (Routine)
Beito	Norway	Record daily precipitation	26.3 mm (1.0 in)	25 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	26.1 C (79.0 F)	25 of 100 (Routine)
Arad	Romania	Record high minimum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Clinton	United States	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)
Fairmont	United States	Record daily precipitation	50.3 mm (2.0 in)	24 of 100 (Routine)
N Loup	United States	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Centennial 1NE	United States	Record low minimum temperature	1.7 C (35.1 F)	24 of 100 (Routine)
Pembina	United States	Record low minimum temperature	2.8 C (37.0 F)	24 of 100 (Routine)
Cudgewa North	Australia	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Geilo	Norway	Record daily precipitation	29.0 mm (1.1 in)	23 of 100 (Routine)
Baia Mare	Romania	Record high minimum temperature	19.8 C (67.6 F)	23 of 100 (Routine)
Framingham	United States	Record low maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Holly Springs 2 N	United States	Record high minimum temperature	25.0 C (77.0 F)	23 of 100 (Routine)
Fayette	United States	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)

Counts by Type and Timescale

405 records

Records set or tied on 9 August 1951 by type: Highest daily maximum 62, Lowest daily maximum 51, Highest daily minimum 74, Lowest daily minimum 38, Heaviest daily rainfall 180.

Records on 9 August 1951 by type
Record type	Records
Highest daily maximum	62
Lowest daily maximum	51
Highest daily minimum	74
Lowest daily minimum	38
Heaviest daily rainfall	180
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1951 by timescale: all-time 0, monthly 6, daily 399.

How Much Records Were Beaten By

312 broken records

Margins by which the 312 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 145.5. Ties are not counted.

Top 20 by Significance

9 August 1951

Top 20 records on 9 August 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1951	Husum, DE	daily rain	42.5 mm (1.7 in)	28.6 mm (1.1 in)	56 years	63 of 100 (Major)
9 August 1951	Wilsons Promontory Lighthouse, AU	daily rain	43.7 mm (1.7 in)	21.1 mm (0.8 in)	70 years	59 of 100 (Notable)
9 August 1951	Dhoraji, IN	daily rain	109.2 mm (4.3 in)	92.7 mm (3.6 in)	44 years	58 of 100 (Notable)
9 August 1951	Rajkot, IN	daily rain	144.8 mm (5.7 in)	86.9 mm (3.4 in)	36 years	56 of 100 (Notable)
9 August 1951	Kon-Kolodez, RU	daily rain	38.5 mm (1.5 in)	26.6 mm (1.0 in)	32 years	54 of 100 (Notable)
9 August 1951	Veraval, IN	daily rain	164.3 mm (6.5 in)	145.5 mm (5.7 in)	24 years	52 of 100 (Notable)
9 August 1951	Vasteras-Hasslo, SE	daily rain	52.0 mm (2.0 in)	27.7 mm (1.1 in)	6 years	51 of 100 (Notable)
9 August 1951	Sparta 1 W, US	daily rain	66.3 mm (2.6 in)	52.3 mm (2.1 in)	38 years	47 of 100 (Notable)
9 August 1951	Vang I Valdres, NO	daily rain	37.7 mm (1.5 in)	29.7 mm (1.2 in)	2 years	45 of 100 (Notable)
9 August 1951	Ranpur, IN	daily rain	89.4 mm (3.5 in)	50.8 mm (2.0 in)	38 years	43 of 100 (Notable)
9 August 1951	Tarpon Spgs Sewage Plt, US	daily high min	28.3 C (82.9 F)	3.3 C (5.9 F)	40 years	43 of 100 (Notable)
9 August 1951	Edgerton, US	daily rain	73.4 mm (2.9 in)	49.8 mm (2.0 in)	20 years	43 of 100 (Notable)
9 August 1951	Gondal, IN	daily rain	66.0 mm (2.6 in)	54.6 mm (2.1 in)	8 years	41 of 100 (Notable)
9 August 1951	Hoorn, NL	daily rain	36.8 mm (1.4 in)	22.0 mm (0.9 in)	5 years	41 of 100 (Notable)
9 August 1951	Tunhovd, NO	daily rain	31.9 mm (1.3 in)	14.4 mm (0.6 in)	48 years	40 of 100 (Notable)
9 August 1951	Ft Scott, US	daily rain	74.9 mm (2.9 in)	51.8 mm (2.0 in)	10 years	39 of 100 (Notable)
9 August 1951	Deniliquin (Wilkinson St), AU	daily low max	8.9 C (48.0 F)	1.7 C (3.1 F)	79 years	37 of 100 (Notable)
9 August 1951	Rapalle, IN	daily rain	58.4 mm (2.3 in)	32.0 mm (1.3 in)	44 years	37 of 100 (Notable)
9 August 1951	Wingaroo, AU	daily rain	32.0 mm (1.3 in)	12.9 mm (0.5 in)	34 years	36 of 100 (Notable)
9 August 1951	Donaldsonville 4 SW, US	daily low min	18.3 C (64.9 F)	2.3 C (4.1 F)	50 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

1798 to 1951

Records set or tied on this calendar date in each year from 1798 to 1951. 1951 had 405 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 1951-08-09: 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	288
20 to 40	15
40 to 60	6
60 to 80	0
80 to 100	2
100 to 120	0
120 to 140	0
140 to 160	1