Weather Records on 14 August 1951

458 weather records were set or tied worldwide on 14 August 1951. Highest significance: Knysna (Tnk), ZA.

Key Facts for 14 August 1951

On 14 August 1951, 458 weather records were set or tied at long-record stations worldwide.
162 were record highs and 104 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 452 daily.
Knysna (Tnk) set a daily record precipitation of 79.0 mm (3.1 in) on 14 August 1951.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

458 stations

458 station records on 14 August 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 14 August 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Knysna (Tnk)	South Africa	Record daily precipitation	79.0 mm (3.1 in)	60 of 100 (Major)
Lead	United States	Record daily precipitation	38.6 mm (1.5 in)	54 of 100 (Notable)
Bilara	India	Record daily precipitation	149.9 mm (5.9 in)	51 of 100 (Notable)
Winner	United States	Record daily precipitation	52.6 mm (2.1 in)	47 of 100 (Notable)
Wood	United States	Record daily precipitation	60.7 mm (2.4 in)	47 of 100 (Notable)
Chambers	United States	Record daily precipitation	63.5 mm (2.5 in)	40 of 100 (Notable)
Mc Cook	United States	Record daily precipitation	49.5 mm (1.9 in)	39 of 100 (Notable)
Onawa 3NW	United States	Record daily precipitation	67.6 mm (2.7 in)	38 of 100 (Notable)
Conway	United States	Record daily precipitation	72.9 mm (2.9 in)	37 of 100 (Notable)
Kumbhakonam	India	Record daily precipitation	101.6 mm (4.0 in)	36 of 100 (Notable)
Glenwood 3SW	United States	Record daily precipitation	41.7 mm (1.6 in)	36 of 100 (Notable)
Ewing	United States	Record daily precipitation	35.8 mm (1.4 in)	36 of 100 (Notable)
Walhalla	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Jacksonville Wb City	United States	Record high minimum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Nannilam	India	Record daily precipitation	73.7 mm (2.9 in)	34 of 100 (Routine)
Hilland 2 NW	United States	Record daily precipitation	49.0 mm (1.9 in)	34 of 100 (Routine)
Marhaura(Amnar)	India	Record daily precipitation	139.7 mm (5.5 in)	33 of 100 (Routine)
Concordia (Bos)	South Africa	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Loerie (Bos)	South Africa	Record daily precipitation	35.3 mm (1.4 in)	32 of 100 (Routine)
Harlan	United States	Record daily precipitation	65.5 mm (2.6 in)	32 of 100 (Routine)
Beach	United States	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Bagewadi	India	Record daily precipitation	28.4 mm (1.1 in)	31 of 100 (Routine)
Sardarshahar	India	Record daily precipitation	58.4 mm (2.3 in)	31 of 100 (Routine)
Manamathurai	India	Record daily precipitation	76.2 mm (3.0 in)	31 of 100 (Routine)
Amite	United States	Record high maximum temperature	38.9 C (102.0 F)	31 of 100 (Routine)
Vermillion 2 SE	United States	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Beaumont City	United States	Record high maximum temperature	40.6 C (105.1 F)	31 of 100 (Routine)
Springview 2NW	United States	Record daily precipitation	30.0 mm (1.2 in)	30 of 100 (Routine)
Peterborough	Canada	Record low maximum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Tiruchengode	India	Record daily precipitation	57.4 mm (2.3 in)	28 of 100 (Routine)
Oakland	United States	Record high maximum temperature	32.2 C (90.0 F)	28 of 100 (Routine)
Ainsworth	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Madison	United States	Record daily precipitation	33.8 mm (1.3 in)	28 of 100 (Routine)
Cottonwood 2 E	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Houma	United States	Record high maximum temperature	37.2 C (99.0 F)	27 of 100 (Routine)
Montevideo 1SW	United States	Record low maximum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Atkinson 3SW	United States	Record daily precipitation	35.3 mm (1.4 in)	27 of 100 (Routine)
Hattiesburg 5SW	United States	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
Cheraw	United States	Record daily precipitation	53.3 mm (2.1 in)	26 of 100 (Routine)
Wausau Record Herald	United States	Record low maximum temperature	18.3 C (64.9 F)	26 of 100 (Routine)
Atlantic 1 NE	United States	Record daily precipitation	55.9 mm (2.2 in)	25 of 100 (Routine)
Webster City	United States	Record daily precipitation	46.5 mm (1.8 in)	25 of 100 (Routine)
Brookhaven City	United States	Record high maximum temperature	39.4 C (102.9 F)	25 of 100 (Routine)
Oakdale	United States	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Walthill 1E	United States	Record daily precipitation	30.7 mm (1.2 in)	25 of 100 (Routine)
Jamieson	Australia	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Blackwood	Australia	Record daily precipitation	27.9 mm (1.1 in)	24 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	43.7 mm (1.7 in)	24 of 100 (Routine)
Thomasville	United States	Record high maximum temperature	39.4 C (102.9 F)	24 of 100 (Routine)
Cloverdale	United States	Record high maximum temperature	42.8 C (109.0 F)	24 of 100 (Routine)
New Hampton	United States	Record low maximum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Pearlington	United States	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)
Goldbutte 7 N	United States	Record daily precipitation	30.2 mm (1.2 in)	24 of 100 (Routine)
Culbertson	United States	Record daily precipitation	42.9 mm (1.7 in)	24 of 100 (Routine)
Hebron	United States	Record daily precipitation	29.5 mm (1.2 in)	24 of 100 (Routine)
Luna Rs	United States	Record high maximum temperature	32.2 C (90.0 F)	24 of 100 (Routine)
Ft Yates 4 SW	United States	Record low maximum temperature	20.6 C (69.1 F)	24 of 100 (Routine)
Tyler Pounds Fld	United States	Record high maximum temperature	40.0 C (104.0 F)	24 of 100 (Routine)
S Bend AP	United States	Record daily precipitation	59.7 mm (2.4 in)	24 of 100 (Routine)
Rochester Intl AP	United States	Record low maximum temperature	18.9 C (66.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

458 records

Records set or tied on 14 August 1951 by type: Highest daily maximum 113, Lowest daily maximum 76, Highest daily minimum 49, Lowest daily minimum 28, Heaviest daily rainfall 192.

Records on 14 August 1951 by type
Record type	Records
Highest daily maximum	113
Lowest daily maximum	76
Highest daily minimum	49
Lowest daily minimum	28
Heaviest daily rainfall	192
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 14 August 1951 by timescale: all-time 0, monthly 6, daily 452.

How Much Records Were Beaten By

348 broken records

Margins by which the 348 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 111.3. Ties are not counted.

Top 20 by Significance

14 August 1951

Top 20 records on 14 August 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 August 1951	Knysna (Tnk), ZA	daily rain	79.0 mm (3.1 in)	66.8 mm (2.6 in)	45 years	60 of 100 (Major)
14 August 1951	Lead, US	daily rain	38.6 mm (1.5 in)	30.0 mm (1.2 in)	33 years	54 of 100 (Notable)
14 August 1951	Bilara, IN	daily rain	149.9 mm (5.9 in)	111.3 mm (4.4 in)	42 years	51 of 100 (Notable)
14 August 1951	Winner, US	daily rain	52.6 mm (2.1 in)	48.0 mm (1.9 in)	14 years	47 of 100 (Notable)
14 August 1951	Wood, US	daily rain	60.7 mm (2.4 in)	55.9 mm (2.2 in)	14 years	47 of 100 (Notable)
14 August 1951	Chambers, US	daily rain	63.5 mm (2.5 in)	40.4 mm (1.6 in)	0 years	40 of 100 (Notable)
14 August 1951	Mc Cook, US	daily rain	49.5 mm (1.9 in)	24.1 mm (0.9 in)	44 years	39 of 100 (Notable)
14 August 1951	Onawa 3NW, US	daily rain	67.6 mm (2.7 in)	30.8 mm (1.2 in)	50 years	38 of 100 (Notable)
14 August 1951	Conway, US	daily rain	72.9 mm (2.9 in)	45.2 mm (1.8 in)	21 years	37 of 100 (Notable)
14 August 1951	Kumbhakonam, IN	daily rain	101.6 mm (4.0 in)	57.9 mm (2.3 in)	8 years	36 of 100 (Notable)
14 August 1951	Glenwood 3SW, US	daily rain	41.7 mm (1.6 in)	25.2 mm (1.0 in)	45 years	36 of 100 (Notable)
14 August 1951	Ewing, US	daily rain	35.8 mm (1.4 in)	23.6 mm (0.9 in)	42 years	36 of 100 (Notable)
14 August 1951	Walhalla, US	daily rain	50.8 mm (2.0 in)	34.3 mm (1.4 in)	48 years	36 of 100 (Notable)
14 August 1951	Jacksonville Wb City, US	daily high min	26.7 C (80.1 F)	0.6 C (1.1 F)	77 years	35 of 100 (Notable)
14 August 1951	Nannilam, IN	daily rain	73.7 mm (2.9 in)	32.6 mm (1.3 in)	33 years	34 of 100 (Routine)
14 August 1951	Hilland 2 NW, US	daily rain	49.0 mm (1.9 in)	39.9 mm (1.6 in)	1 year	34 of 100 (Routine)
14 August 1951	Marhaura(Amnar), IN	daily rain	139.7 mm (5.5 in)	59.7 mm (2.4 in)	13 years	33 of 100 (Routine)
14 August 1951	Concordia (Bos), ZA	daily rain	29.2 mm (1.1 in)	18.5 mm (0.7 in)	32 years	33 of 100 (Routine)
14 August 1951	Loerie (Bos), ZA	daily rain	35.3 mm (1.4 in)	21.6 mm (0.9 in)	12 years	32 of 100 (Routine)
14 August 1951	Harlan, US	daily rain	65.5 mm (2.6 in)	22.1 mm (0.9 in)	45 years	32 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 458 records.

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

Records on 08-14 in each year
Year	Records
1793	2
1807	1
1815	1
1818	1
1825	1
1833	2
1839	1
1841	1
1843	1
1845	2
1856	2
1857	1
1859	1
1861	1
1864	3
1865	1
1866	2
1868	1
1870	1
1871	1
1872	1
1873	1
1874	1
1876	4
1882	1
1884	1
1885	3
1886	1
1887	3
1889	2
1890	1
1891	1
1892	3
1893	2
1894	2
1895	3
1896	5
1897	5
1898	2
1899	2
1900	1
1901	1
1902	8
1903	8
1904	3
1905	10
1906	8
1907	6
1908	28
1909	35
1910	10
1911	30
1912	56
1913	24
1914	16
1915	17
1916	109
1917	38
1918	60
1919	103
1920	56
1921	61
1922	54
1923	92
1924	319
1925	128
1926	182
1927	147
1928	233
1929	449
1930	627
1931	410
1932	314
1933	349
1934	470
1935	314
1936	612
1937	354
1938	519
1939	376
1940	489
1941	467
1942	364
1943	583
1944	709
1945	572
1946	511
1947	658
1948	373
1949	374
1950	402
1951	458
1952	560
1953	312
1954	457
1955	535
1956	426
1957	281
1958	421
1959	495
1960	414
1961	663
1962	885
1963	811
1964	1,394
1965	451
1966	388
1967	902
1968	1,315
1969	482
1970	398
1971	677
1972	552
1973	489
1974	542
1975	461
1976	1,060
1977	562
1978	834
1979	1,115
1980	544
1981	719
1982	539
1983	775
1984	598
1985	1,095
1986	775
1987	1,157
1988	1,301
1989	728
1990	737
1991	856
1992	1,709
1993	887
1994	1,149
1995	1,444
1996	954
1997	922
1998	1,100
1999	1,329
2000	1,117
2001	806
2002	1,576
2003	1,913
2004	1,936
2005	1,340
2006	1,073
2007	1,340
2008	798
2009	818
2010	1,704
2011	772
2012	758
2013	612
2014	651
2015	931
2016	824
2017	559
2018	397
2019	578
2020	1,009
2021	932
2022	771
2023	1,116
2024	1,045
2025	798
2026	1,211

Download the Data

Data for records on 1951-08-14: 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	319
20 to 40	21
40 to 60	6
60 to 80	1
80 to 100	0
100 to 120	1