Weather Records on 11 August 1951

296 weather records were set or tied worldwide on 11 August 1951. Highest significance: Bothwell (Franklin Street), AU.

Key Facts for 11 August 1951

On 11 August 1951, 296 weather records were set or tied at long-record stations worldwide.
103 were record highs and 79 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 290 daily.
Bothwell (Franklin Street) set a monthly record daily precipitation of 40.6 mm (1.6 in) on 11 August 1951.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

296 stations

296 station records on 11 August 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 August 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bothwell (Franklin Street)	Australia	Record daily precipitation	40.6 mm (1.6 in)	58 of 100 (Notable)
Subiaco	United States	Record daily precipitation	92.5 mm (3.6 in)	55 of 100 (Notable)
Ozark	United States	Record daily precipitation	105.4 mm (4.1 in)	53 of 100 (Notable)
Waneta	Canada	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Hammonton 1 NE	United States	Record daily precipitation	103.6 mm (4.1 in)	46 of 100 (Notable)
Yarram	Australia	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Barrie	Canada	Record low maximum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Barrie	Canada	Record low minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Eastbourne	United Kingdom	Record daily precipitation	36.2 mm (1.4 in)	34 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record daily precipitation	69.8 mm (2.7 in)	33 of 100 (Routine)
Bee Branch	United States	Record daily precipitation	69.9 mm (2.8 in)	33 of 100 (Routine)
Hamirpur	India	Record daily precipitation	155.7 mm (6.1 in)	31 of 100 (Routine)
Garhshankar	India	Record daily precipitation	84.1 mm (3.3 in)	31 of 100 (Routine)
Monierkhal	India	Record daily precipitation	89.9 mm (3.5 in)	29 of 100 (Routine)
Buxton	United Kingdom	Record low maximum temperature	10.6 C (51.1 F)	29 of 100 (Routine)
Radyr Park	Australia	Record daily precipitation	66.0 mm (2.6 in)	28 of 100 (Routine)
Beenak	Australia	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Krasnyj Chikoj	Russia	Record daily precipitation	25.1 mm (1.0 in)	27 of 100 (Routine)
Westminster 2 SSE	United States	Record daily precipitation	55.1 mm (2.2 in)	27 of 100 (Routine)
Mission 4 W	United States	Record high minimum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Govindgarh	India	Record daily precipitation	94.0 mm (3.7 in)	26 of 100 (Routine)
Vardoe	Norway	Record daily precipitation	26.6 mm (1.0 in)	26 of 100 (Routine)
Laurel Hill (Kundiewa)	Australia	Record daily precipitation	25.4 mm (1.0 in)	25 of 100 (Routine)
Lake City 2 E	United States	Record high maximum temperature	37.2 C (99.0 F)	25 of 100 (Routine)
Cape Naturaliste	Australia	Record daily precipitation	48.8 mm (1.9 in)	24 of 100 (Routine)
Jabalpur	India	Record daily precipitation	74.9 mm (2.9 in)	24 of 100 (Routine)
Bratsk	Russia	Record low minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Union Springs 9 S	United States	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)
Donaldsonville 4 SW	United States	Record low minimum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Jennings	United States	Record high minimum temperature	26.1 C (79.0 F)	24 of 100 (Routine)
Ulan-Ude	Russia	Record daily precipitation	48.8 mm (1.9 in)	23 of 100 (Routine)
Winkelman 6 S	United States	Record high maximum temperature	39.4 C (102.9 F)	23 of 100 (Routine)
Waycross 4 NE	United States	Record high maximum temperature	38.3 C (100.9 F)	23 of 100 (Routine)
Hammond	United States	Record high maximum temperature	38.3 C (100.9 F)	23 of 100 (Routine)
Webster	United States	Record daily precipitation	41.9 mm (1.6 in)	23 of 100 (Routine)
Alva 1W	United States	Record low maximum temperature	25.6 C (78.1 F)	23 of 100 (Routine)
Dawson	Canada	Record high maximum temperature	27.8 C (82.0 F)	22 of 100 (Routine)
Fort Frances	Canada	Record low minimum temperature	5.6 C (42.1 F)	22 of 100 (Routine)
Kjobli I Snaasa	Norway	Record daily precipitation	28.9 mm (1.1 in)	22 of 100 (Routine)
Girona (Antic Institut)	Spain	Record low minimum temperature	12.0 C (53.6 F)	22 of 100 (Routine)
Punta Gorda	United States	Record high maximum temperature	36.7 C (98.1 F)	22 of 100 (Routine)
Falfurrias	United States	Record high minimum temperature	26.7 C (80.1 F)	22 of 100 (Routine)
High River	Canada	Record low maximum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Anupgarh	India	Record daily precipitation	43.9 mm (1.7 in)	21 of 100 (Routine)
Groningen	Netherlands	Record low minimum temperature	7.1 C (44.8 F)	21 of 100 (Routine)
Buzau	Romania	Record high minimum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Pushmataha	United States	Record high maximum temperature	37.8 C (100.0 F)	21 of 100 (Routine)
Globe Rs	United States	Record low minimum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Union City 3 SE	United States	Record daily precipitation	40.9 mm (1.6 in)	21 of 100 (Routine)
Oxford	United Kingdom	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Irene Mtn Wauconda	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Lost Creek Aeneas	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Sihccajavri	Norway	Record daily precipitation	18.2 mm (0.7 in)	20 of 100 (Routine)
Coleman	Canada	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Nome AP	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Scheveningen	Netherlands	Record daily precipitation	19.7 mm (0.8 in)	20 of 100 (Routine)
Rosedale	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Lien I Selbu	Norway	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Dividalen	Norway	Record daily precipitation	19.7 mm (0.8 in)	20 of 100 (Routine)
Queenscliff	Australia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

296 records

Records set or tied on 11 August 1951 by type: Highest daily maximum 37, Lowest daily maximum 30, Highest daily minimum 66, Lowest daily minimum 49, Heaviest daily rainfall 114.

Records on 11 August 1951 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	30
Highest daily minimum	66
Lowest daily minimum	49
Heaviest daily rainfall	114
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 August 1951 by timescale: all-time 0, monthly 6, daily 290.

How Much Records Were Beaten By

199 broken records

Margins by which the 199 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.3. Ties are not counted.

Top 20 by Significance

11 August 1951

Top 20 records on 11 August 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 August 1951	Bothwell (Franklin Street), AU	monthly rain	40.6 mm (1.6 in)	20.3 mm (0.8 in)	19 years	58 of 100 (Notable)
11 August 1951	Subiaco, US	daily rain	92.5 mm (3.6 in)	61.0 mm (2.4 in)	48 years	55 of 100 (Notable)
11 August 1951	Ozark, US	daily rain	105.4 mm (4.1 in)	55.1 mm (2.2 in)	57 years	53 of 100 (Notable)
11 August 1951	Waneta, CA	daily rain	38.1 mm (1.5 in)	30.5 mm (1.2 in)	18 years	48 of 100 (Notable)
11 August 1951	Hammonton 1 NE, US	daily rain	103.6 mm (4.1 in)	66.3 mm (2.6 in)	20 years	46 of 100 (Notable)
11 August 1951	Yarram, AU	daily rain	27.9 mm (1.1 in)	17.2 mm (0.7 in)	12 years	39 of 100 (Notable)
11 August 1951	Barrie, CA	daily low max	17.2 C (63.0 F)	2.2 C (4.0 F)	82 years	37 of 100 (Notable)
11 August 1951	Barrie, CA	daily low min	5.0 C (41.0 F)	2.2 C (4.0 F)	77 years	37 of 100 (Notable)
11 August 1951	Eastbourne, GB	daily rain	36.2 mm (1.4 in)	17.4 mm (0.7 in)	16 years	34 of 100 (Routine)
11 August 1951	Ljubljana Bezigrad, SI	daily rain	69.8 mm (2.7 in)	33.5 mm (1.3 in)	24 years	33 of 100 (Routine)
11 August 1951	Bee Branch, US	daily rain	69.9 mm (2.8 in)	25.4 mm (1.0 in)	36 years	33 of 100 (Routine)
11 August 1951	Hamirpur, IN	daily rain	155.7 mm (6.1 in)	64.3 mm (2.5 in)	8 years	31 of 100 (Routine)
11 August 1951	Garhshankar, IN	daily rain	84.1 mm (3.3 in)	30.8 mm (1.2 in)	46 years	31 of 100 (Routine)
11 August 1951	Monierkhal, IN	daily rain	89.9 mm (3.5 in)	28.7 mm (1.1 in)	42 years	29 of 100 (Routine)
11 August 1951	Buxton, GB	monthly low max	10.6 C (51.1 F)	0.5 C (0.9 F)	38 years	29 of 100 (Routine)
11 August 1951	Radyr Park, AU	daily rain	66.0 mm (2.6 in)	24.3 mm (1.0 in)	12 years	28 of 100 (Routine)
11 August 1951	Beenak, AU	daily rain	30.5 mm (1.2 in)	8.9 mm (0.35 in)	33 years	27 of 100 (Routine)
11 August 1951	Krasnyj Chikoj, RU	daily rain	25.1 mm (1.0 in)	9.7 mm (0.38 in)	37 years	27 of 100 (Routine)
11 August 1951	Westminster 2 SSE, US	daily rain	55.1 mm (2.2 in)	28.7 mm (1.1 in)	14 years	27 of 100 (Routine)
11 August 1951	Mission 4 W, US	daily high min	26.1 C (79.0 F)	1.7 C (3.1 F)	38 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 1951

Records set or tied on this calendar date in each year from 1793 to 1951. 1951 had 296 records.

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

Records on 08-11 in each year
Year	Records
1793	1
1796	1
1811	1
1815	2
1838	1
1839	1
1841	1
1851	1
1855	1
1858	1
1861	2
1862	1
1863	1
1864	6
1865	1
1866	6
1869	4
1871	1
1875	1
1879	2
1881	1
1883	1
1885	1
1888	1
1889	4
1890	4
1891	1
1892	4
1893	1
1894	1
1895	2
1896	5
1897	3
1898	2
1899	3
1900	4
1901	4
1902	13
1903	12
1904	19
1905	9
1906	6
1907	8
1908	10
1909	41
1910	9
1911	24
1912	46
1913	43
1914	26
1915	27
1916	64
1917	217
1918	29
1919	18
1920	54
1921	201
1922	98
1923	80
1924	149
1925	219
1926	140
1927	190
1928	174
1929	354
1930	471
1931	453
1932	281
1933	416
1934	620
1935	499
1936	541
1937	356
1938	315
1939	389
1940	359
1941	807
1942	390
1943	345
1944	936
1945	401
1946	419
1947	709
1948	306
1949	471
1950	320
1951	296
1952	417
1953	283
1954	536
1955	319
1956	457
1957	305
1958	494
1959	337
1960	461
1961	429
1962	662
1963	493
1964	677
1965	793
1966	1,037
1967	1,071
1968	619
1969	533
1970	526
1971	711
1972	823
1973	451
1974	596
1975	753
1976	529
1977	845
1978	433
1979	797
1980	929
1981	645
1982	1,232
1983	1,095
1984	822
1985	804
1986	563
1987	885
1988	1,119
1989	983
1990	760
1991	822
1992	928
1993	840
1994	1,173
1995	1,324
1996	1,147
1997	1,512
1998	1,232
1999	1,152
2000	924
2001	811
2002	1,152
2003	1,601
2004	1,478
2005	1,031
2006	896
2007	1,428
2008	945
2009	836
2010	2,289
2011	1,106
2012	953
2013	470
2014	556
2015	696
2016	1,340
2017	619
2018	861
2019	758
2020	688
2021	834
2022	661
2023	757
2024	643
2025	722
2026	765

Download the Data

Data for records on 1951-08-11: 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	167
10 to 20	16
20 to 30	9
30 to 40	3
40 to 50	0
50 to 60	1
60 to 70	3