Weather Records on 9 July 1951

502 weather records were set or tied worldwide on 9 July 1951. Highest significance: Victor Harbor Comparison, AU.

Key Facts for 9 July 1951

On 9 July 1951, 502 weather records were set or tied at long-record stations worldwide.
127 were record highs and 138 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 19 monthly and 476 daily.
Victor Harbor Comparison set a monthly record daily precipitation of 58.7 mm (2.3 in) on 9 July 1951.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 444 records.

Record Map

502 stations

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

Weather records on 9 July 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Victor Harbor Comparison	Australia	Record daily precipitation	58.7 mm (2.3 in)	70 of 100 (Major)
Mallala	Australia	Record daily precipitation	26.7 mm (1.1 in)	65 of 100 (Major)
Watseka Public Works	United States	Record daily precipitation	170.2 mm (6.7 in)	65 of 100 (Major)
Rockville	United States	Record daily precipitation	73.4 mm (2.9 in)	58 of 100 (Notable)
Rantoul	United States	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Delphi 2 N	United States	Record daily precipitation	78.7 mm (3.1 in)	56 of 100 (Notable)
Logansport Cicott St	United States	Record daily precipitation	101.3 mm (4.0 in)	56 of 100 (Notable)
Plymouth Pwr Substn	United States	Record daily precipitation	83.8 mm (3.3 in)	56 of 100 (Notable)
Montpelier	United States	Record daily precipitation	85.9 mm (3.4 in)	56 of 100 (Notable)
Mintaro	Australia	Record daily precipitation	35.6 mm (1.4 in)	53 of 100 (Notable)
Oregon Wtr Wks	United States	Record daily precipitation	139.4 mm (5.5 in)	52 of 100 (Notable)
Rochester	United States	Record daily precipitation	83.3 mm (3.3 in)	50 of 100 (Notable)
Grinnell 3 SW	United States	Record daily precipitation	49.8 mm (2.0 in)	50 of 100 (Notable)
Karjat	India	Record daily precipitation	69.3 mm (2.7 in)	49 of 100 (Notable)
Two Wells	Australia	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Marrabel	Australia	Record daily precipitation	28.4 mm (1.1 in)	47 of 100 (Notable)
Champaign 3S	United States	Record daily precipitation	59.7 mm (2.4 in)	47 of 100 (Notable)
Monticello	United States	Record daily precipitation	80.8 mm (3.2 in)	47 of 100 (Notable)
Collegeville St Joe AP	United States	Record daily precipitation	136.7 mm (5.4 in)	46 of 100 (Notable)
Adelaide (Thorndon Park)	Australia	Record daily precipitation	25.9 mm (1.0 in)	45 of 100 (Notable)
Clinton 1SSW	United States	Record daily precipitation	96.5 mm (3.8 in)	45 of 100 (Notable)
Danville	United States	Record daily precipitation	92.7 mm (3.6 in)	45 of 100 (Notable)
Crawfordsville Pwr Plt	United States	Record daily precipitation	65.3 mm (2.6 in)	44 of 100 (Notable)
Darlington Wwtp	United States	Record daily precipitation	87.1 mm (3.4 in)	44 of 100 (Notable)
Clare Post Office	Australia	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Brinkworth (Bungaree)	Australia	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Angola	United States	Record daily precipitation	127.0 mm (5.0 in)	42 of 100 (Notable)
Columbia City	United States	Record daily precipitation	74.2 mm (2.9 in)	42 of 100 (Notable)
Greencastle 1 W	United States	Record daily precipitation	42.9 mm (1.7 in)	42 of 100 (Notable)
Veedersburg	United States	Record daily precipitation	74.4 mm (2.9 in)	42 of 100 (Notable)
Pontiac	United States	Record daily precipitation	98.0 mm (3.9 in)	41 of 100 (Notable)
Minonk	United States	Record daily precipitation	118.9 mm (4.7 in)	40 of 100 (Notable)
Terowie (Neathvale)	Australia	Record daily precipitation	25.4 mm (1.0 in)	39 of 100 (Notable)
Second Valley (Poolamacca)	Australia	Record daily precipitation	43.9 mm (1.7 in)	39 of 100 (Notable)
Stonyfell	Australia	Record daily precipitation	32.0 mm (1.3 in)	39 of 100 (Notable)
Algonquin Park	Canada	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
Greiz-Dolau	Germany	Record daily precipitation	36.9 mm (1.5 in)	39 of 100 (Notable)
Golden Grove	Australia	Record daily precipitation	26.2 mm (1.0 in)	38 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record daily precipitation	39.9 mm (1.6 in)	38 of 100 (Notable)
Paris Stp	United States	Record daily precipitation	55.9 mm (2.2 in)	37 of 100 (Notable)
Kokomo 3 WSW	United States	Record daily precipitation	43.4 mm (1.7 in)	37 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	27.4 mm (1.1 in)	37 of 100 (Notable)
Wauseon Wtp	United States	Record daily precipitation	41.9 mm (1.6 in)	37 of 100 (Notable)
Clare (Hill River)	Australia	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Noblesville River	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Donaldsonville 4 SW	United States	Record low minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Wayne	United States	Record daily precipitation	32.8 mm (1.3 in)	36 of 100 (Notable)
Whyte Yarcowie	Australia	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Mahabalipuram Obsy	India	Record daily precipitation	54.9 mm (2.2 in)	35 of 100 (Notable)
Howe	United States	Record daily precipitation	47.2 mm (1.9 in)	35 of 100 (Notable)
Ft Bayard 4W	United States	Record high minimum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Hawkinsville	United States	Record low minimum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Valmora	United States	Record high maximum temperature	36.7 C (98.1 F)	34 of 100 (Routine)
Vredefort (Skl)	South Africa	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Alapaha Exp STN	United States	Record low minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Macomb	United States	Record daily precipitation	73.4 mm (2.9 in)	33 of 100 (Routine)
Socorro	United States	Record high minimum temperature	25.0 C (77.0 F)	33 of 100 (Routine)
Wheatfield	United States	Record daily precipitation	104.9 mm (4.1 in)	32 of 100 (Routine)
Winamac 2SSE	United States	Record daily precipitation	67.1 mm (2.6 in)	32 of 100 (Routine)
Williamsburg 1E	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)

Counts by Type and Timescale

502 records

Records set or tied on 9 July 1951 by type: Highest daily maximum 67, Lowest daily maximum 74, Highest daily minimum 60, Lowest daily minimum 64, Heaviest daily rainfall 237.

Records on 9 July 1951 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	74
Highest daily minimum	60
Lowest daily minimum	64
Heaviest daily rainfall	237
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 July 1951 by timescale: all-time 7, monthly 19, daily 476.

How Much Records Were Beaten By

402 broken records

Margins by which the 402 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 74.4. Ties are not counted.

Top 20 by Significance

9 July 1951

Top 20 records on 9 July 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 July 1951	Victor Harbor Comparison, AU	monthly rain	58.7 mm (2.3 in)	17.6 mm (0.7 in)	64 years	70 of 100 (Major)
9 July 1951	Mallala, AU	daily rain	26.7 mm (1.1 in)	19.8 mm (0.8 in)	63 years	65 of 100 (Major)
9 July 1951	Watseka Public Works, US	monthly rain	170.2 mm (6.7 in)	64.8 mm (2.6 in)	35 years	65 of 100 (Major)
9 July 1951	Rockville, US	daily rain	73.4 mm (2.9 in)	65.8 mm (2.6 in)	45 years	58 of 100 (Notable)
9 July 1951	Rantoul, US	daily rain	66.0 mm (2.6 in)	53.3 mm (2.1 in)	48 years	57 of 100 (Notable)
9 July 1951	Delphi 2 N, US	daily rain	78.7 mm (3.1 in)	51.5 mm (2.0 in)	37 years	56 of 100 (Notable)
9 July 1951	Logansport Cicott St, US	daily rain	101.3 mm (4.0 in)	54.6 mm (2.1 in)	44 years	56 of 100 (Notable)
9 July 1951	Plymouth Pwr Substn, US	daily rain	83.8 mm (3.3 in)	71.9 mm (2.8 in)	38 years	56 of 100 (Notable)
9 July 1951	Montpelier, US	daily rain	85.9 mm (3.4 in)	54.4 mm (2.1 in)	46 years	56 of 100 (Notable)
9 July 1951	Mintaro, AU	daily rain	35.6 mm (1.4 in)	20.9 mm (0.8 in)	36 years	53 of 100 (Notable)
9 July 1951	Oregon Wtr Wks, US	all-time rain	139.4 mm (5.5 in)	31.4 mm (1.2 in)	4 years	52 of 100 (Notable)
9 July 1951	Rochester, US	daily rain	83.3 mm (3.3 in)	46.2 mm (1.8 in)	45 years	50 of 100 (Notable)
9 July 1951	Grinnell 3 SW, US	daily rain	49.8 mm (2.0 in)	49.8 mm (2.0 in)	44 years	50 of 100 (Notable)
9 July 1951	Karjat, IN	daily rain	69.3 mm (2.7 in)	32.5 mm (1.3 in)	48 years	49 of 100 (Notable)
9 July 1951	Two Wells, AU	monthly rain	34.0 mm (1.3 in)	9.6 mm (0.38 in)	15 years	47 of 100 (Notable)
9 July 1951	Marrabel, AU	daily rain	28.4 mm (1.1 in)	14.9 mm (0.6 in)	34 years	47 of 100 (Notable)
9 July 1951	Champaign 3S, US	daily rain	59.7 mm (2.4 in)	40.4 mm (1.6 in)	37 years	47 of 100 (Notable)
9 July 1951	Monticello, US	daily rain	80.8 mm (3.2 in)	55.4 mm (2.2 in)	12 years	47 of 100 (Notable)
9 July 1951	Collegeville St Joe AP, US	all-time rain	136.7 mm (5.4 in)	7.2 mm (0.28 in)	55 years	46 of 100 (Notable)
9 July 1951	Adelaide (Thorndon Park), AU	daily rain	25.9 mm (1.0 in)	10.2 mm (0.4 in)	59 years	45 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

1793 to 1951

Records set or tied on this calendar date in each year from 1793 to 1951. 1951 had 502 records.

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

Records on 07-09 in each year
Year	Records
1793	1
1815	3
1826	1
1828	2
1837	1
1845	2
1847	1
1852	1
1856	1
1859	1
1860	1
1861	1
1865	1
1867	4
1868	1
1870	2
1871	1
1873	1
1874	2
1875	1
1876	4
1879	1
1886	3
1887	2
1888	4
1889	1
1890	2
1891	3
1892	3
1893	3
1894	3
1895	2
1896	4
1897	2
1898	4
1899	5
1900	10
1901	10
1902	8
1903	15
1904	31
1905	28
1906	4
1907	10
1908	16
1909	16
1910	19
1911	26
1912	28
1913	42
1914	54
1915	42
1916	43
1917	19
1918	60
1919	33
1920	28
1921	73
1922	145
1923	90
1924	140
1925	135
1926	242
1927	123
1928	115
1929	250
1930	436
1931	202
1932	216
1933	444
1934	339
1935	433
1936	1,128
1937	274
1938	196
1939	345
1940	319
1941	273
1942	324
1943	252
1944	415
1945	371
1946	436
1947	684
1948	377
1949	433
1950	522
1951	502
1952	694
1953	450
1954	479
1955	513
1956	438
1957	385
1958	472
1959	483
1960	332
1961	564
1962	253
1963	1,029
1964	425
1965	444
1966	428
1967	216
1968	645
1969	619
1970	471
1971	406
1972	606
1973	588
1974	1,013
1975	567
1976	740
1977	617
1978	882
1979	721
1980	970
1981	1,009
1982	598
1983	1,039
1984	783
1985	1,228
1986	843
1987	882
1988	1,109
1989	965
1990	770
1991	1,295
1992	1,126
1993	1,454
1994	1,151
1995	939
1996	1,690
1997	930
1998	1,403
1999	952
2000	1,055
2001	965
2002	1,127
2003	906
2004	824
2005	1,373
2006	965
2007	949
2008	1,188
2009	1,165
2010	1,477
2011	1,047
2012	904
2013	478
2014	806
2015	1,221
2016	631
2017	638
2018	555
2019	602
2020	614
2021	1,198
2022	674
2023	833
2024	1,530
2025	696
2026	508

Download the Data

Data for records on 1951-07-09: 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 10	307
10 to 20	50
20 to 30	18
30 to 40	10
40 to 50	6
50 to 60	6
60 to 70	3
70 to 80	2