Weather Records on 18 August 1951

355 weather records were set or tied worldwide on 18 August 1951. Highest significance: Batesville L&D 1, US.

Key Facts for 18 August 1951

On 18 August 1951, 355 weather records were set or tied at long-record stations worldwide.
125 were record highs and 66 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 10 monthly and 343 daily.
Batesville L&D 1 set a daily record precipitation of 104.1 mm (4.1 in) on 18 August 1951.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 441 records.

Record Map

355 stations

355 station records on 18 August 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Batesville L&D 1	United States	Record daily precipitation	104.1 mm (4.1 in)	55 of 100 (Notable)
Smoky Bay (Puntabie)	Australia	Record daily precipitation	25.4 mm (1.0 in)	51 of 100 (Notable)
Robertsganj	India	Record daily precipitation	264.2 mm (10.4 in)	48 of 100 (Notable)
Arhangelsk	Russia	Record daily precipitation	25.8 mm (1.0 in)	45 of 100 (Notable)
Cotter River	Australia	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Borsad	India	Record daily precipitation	128.8 mm (5.1 in)	42 of 100 (Notable)
Jonesboro 3 SSE	United States	Record daily precipitation	63.8 mm (2.5 in)	41 of 100 (Notable)
Hawkestone, Howick	South Africa	Record daily precipitation	34.0 mm (1.3 in)	39 of 100 (Notable)
Kulpahar	India	Record daily precipitation	133.6 mm (5.3 in)	38 of 100 (Notable)
Durban-Botanical Gardens	South Africa	Record daily precipitation	29.7 mm (1.2 in)	35 of 100 (Notable)
Redwood Falls Muni AP	United States	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Brinkley	United States	Record daily precipitation	51.1 mm (2.0 in)	32 of 100 (Routine)
Ft Fairfield 5 NE	United States	Record daily precipitation	40.4 mm (1.6 in)	32 of 100 (Routine)
Plains	United States	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Wilmington Wb City	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Bergplaats	South Africa	Record daily precipitation	25.7 mm (1.0 in)	28 of 100 (Routine)
Saltspring Island	Canada	Record high minimum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high minimum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Durango	United States	Record high maximum temperature	33.9 C (93.0 F)	27 of 100 (Routine)
McKinney Muni AP	United States	Record high minimum temperature	28.3 C (82.9 F)	27 of 100 (Routine)
Sherbrooke	Canada	Record low maximum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Malpura	India	Record daily precipitation	85.3 mm (3.4 in)	26 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record high minimum temperature	19.5 C (67.1 F)	26 of 100 (Routine)
Arcadia	United States	Record daily precipitation	89.7 mm (3.5 in)	26 of 100 (Routine)
Hugoton	United States	Record daily precipitation	39.9 mm (1.6 in)	26 of 100 (Routine)
Jennings	United States	Record daily precipitation	63.5 mm (2.5 in)	26 of 100 (Routine)
Dwaleni	Swaziland	Record daily precipitation	25.1 mm (1.0 in)	26 of 100 (Routine)
Dalmau	India	Record daily precipitation	101.6 mm (4.0 in)	25 of 100 (Routine)
Timovskoe	Russia	Record high minimum temperature	18.5 C (65.3 F)	25 of 100 (Routine)
Houlton	United States	Record daily precipitation	40.6 mm (1.6 in)	25 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	31.7 C (89.1 F)	25 of 100 (Routine)
Beaumont City	United States	Record low minimum temperature	21.1 C (70.0 F)	25 of 100 (Routine)
Thasra	India	Record daily precipitation	68.8 mm (2.7 in)	24 of 100 (Routine)
Girwan Naraini	India	Record daily precipitation	68.6 mm (2.7 in)	24 of 100 (Routine)
Cidra 1 E	Puerto Rico [United States]	Record low maximum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Buxton	United Kingdom	Record low minimum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Winkelman 6 S	United States	Record high maximum temperature	41.1 C (106.0 F)	24 of 100 (Routine)
Langet	India	Record daily precipitation	26.2 mm (1.0 in)	23 of 100 (Routine)
Irkutsk	Russia	Record daily precipitation	35.1 mm (1.4 in)	23 of 100 (Routine)
Ndumu	South Africa	Record daily precipitation	44.5 mm (1.8 in)	23 of 100 (Routine)
Booneville	United States	Record high maximum temperature	37.2 C (99.0 F)	23 of 100 (Routine)
Bluewater 3 WSW	United States	Record high maximum temperature	33.9 C (93.0 F)	23 of 100 (Routine)
Moscow	United States	Record daily precipitation	43.2 mm (1.7 in)	23 of 100 (Routine)
Eufaula	United States	Record high maximum temperature	37.2 C (99.0 F)	22 of 100 (Routine)
Cedarville	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Marysville	United States	Record high minimum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Perth Regional Office	Australia	Record low minimum temperature	3.9 C (39.0 F)	21 of 100 (Routine)
Berthierville	Canada	Record low maximum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Tadoussac	Canada	Record daily precipitation	43.2 mm (1.7 in)	21 of 100 (Routine)
Harsud	India	Record daily precipitation	63.5 mm (2.5 in)	21 of 100 (Routine)
Moth	India	Record daily precipitation	64.3 mm (2.5 in)	21 of 100 (Routine)
Elkader 6 SSW	United States	Record low maximum temperature	22.8 C (73.0 F)	21 of 100 (Routine)
Donaldsonville 4 SW	United States	Record low minimum temperature	18.3 C (64.9 F)	21 of 100 (Routine)
Hattiesburg 5SW	United States	Record low minimum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Murray Lagoon (Hawks Nest)	Australia	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Hughes	Australia	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Oorschot	South Africa	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Knysna (Tnk)	South Africa	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Carmichael (Tnk)	South Africa	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Crowlands (Woodlands)	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)

Counts by Type and Timescale

355 records

Records set or tied on 18 August 1951 by type: Highest daily maximum 70, Lowest daily maximum 39, Highest daily minimum 55, Lowest daily minimum 27, Heaviest daily rainfall 164.

Records on 18 August 1951 by type
Record type	Records
Highest daily maximum	70
Lowest daily maximum	39
Highest daily minimum	55
Lowest daily minimum	27
Heaviest daily rainfall	164
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1951 by timescale: all-time 2, monthly 10, daily 343.

How Much Records Were Beaten By

264 broken records

Margins by which the 264 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.2. Ties are not counted.

Top 20 by Significance

18 August 1951

Top 20 records on 18 August 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1951	Batesville L&D 1, US	daily rain	104.1 mm (4.1 in)	66.0 mm (2.6 in)	40 years	55 of 100 (Notable)
18 August 1951	Smoky Bay (Puntabie), AU	daily rain	25.4 mm (1.0 in)	18.8 mm (0.7 in)	28 years	51 of 100 (Notable)
18 August 1951	Robertsganj, IN	monthly rain	264.2 mm (10.4 in)	71.2 mm (2.8 in)	15 years	48 of 100 (Notable)
18 August 1951	Arhangelsk, RU	daily rain	25.8 mm (1.0 in)	12.3 mm (0.5 in)	58 years	45 of 100 (Notable)
18 August 1951	Cotter River, AU	daily rain	30.5 mm (1.2 in)	23.4 mm (0.9 in)	28 years	44 of 100 (Notable)
18 August 1951	Borsad, IN	daily rain	128.8 mm (5.1 in)	61.5 mm (2.4 in)	28 years	42 of 100 (Notable)
18 August 1951	Jonesboro 3 SSE, US	daily rain	63.8 mm (2.5 in)	30.8 mm (1.2 in)	52 years	41 of 100 (Notable)
18 August 1951	Hawkestone, Howick, ZA	daily rain	34.0 mm (1.3 in)	26.4 mm (1.0 in)	29 years	39 of 100 (Notable)
18 August 1951	Kulpahar, IN	daily rain	133.6 mm (5.3 in)	65.8 mm (2.6 in)	16 years	38 of 100 (Notable)
18 August 1951	Durban-Botanical Gardens, ZA	daily rain	29.7 mm (1.2 in)	17.2 mm (0.7 in)	42 years	35 of 100 (Notable)
18 August 1951	Redwood Falls Muni AP, US	daily rain	27.9 mm (1.1 in)	13.7 mm (0.5 in)	58 years	34 of 100 (Routine)
18 August 1951	Brinkley, US	daily rain	51.1 mm (2.0 in)	24.9 mm (1.0 in)	40 years	32 of 100 (Routine)
18 August 1951	Ft Fairfield 5 NE, US	daily rain	40.4 mm (1.6 in)	20.1 mm (0.8 in)	22 years	32 of 100 (Routine)
18 August 1951	Plains, US	daily rain	35.6 mm (1.4 in)	28.5 mm (1.1 in)	13 years	31 of 100 (Routine)
18 August 1951	Wilmington Wb City, US	daily high min	25.0 C (77.0 F)	0.6 C (1.1 F)	74 years	31 of 100 (Routine)
18 August 1951	Bergplaats, ZA	daily rain	25.7 mm (1.0 in)	14.5 mm (0.6 in)	36 years	28 of 100 (Routine)
18 August 1951	Saltspring Island, CA	daily high min	17.8 C (64.0 F)	3.4 C (6.1 F)	28 years	27 of 100 (Routine)
18 August 1951	Sfax El-Maou, TN	daily high min	25.6 C (78.1 F)	0.6 C (1.1 F)	63 years	27 of 100 (Routine)
18 August 1951	Durango, US	daily high max	33.9 C (93.0 F)	2.2 C (4.0 F)	52 years	27 of 100 (Routine)
18 August 1951	McKinney Muni AP, US	daily high min	28.3 C (82.9 F)	2.2 C (4.0 F)	46 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

1797 to 1951

Records set or tied on this calendar date in each year from 1797 to 1951. 1951 had 355 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 1951-08-18: 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	216
10 to 20	28
20 to 30	14
30 to 40	2
40 to 50	0
50 to 60	0
60 to 70	3
70 to 80	1