Weather Records on 20 August 1965

470 weather records were set or tied worldwide on 20 August 1965. Highest significance: Port Aux Basques, CA.

Key Facts for 20 August 1965

On 20 August 1965, 470 weather records were set or tied at long-record stations worldwide.
79 were record highs and 88 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 458 daily.
Port Aux Basques set a daily record precipitation of 56.4 mm (2.2 in) on 20 August 1965.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 455 records.

Record Map

470 stations

470 station records on 20 August 1965 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1965: highest significance records shown on the map
Station	Country	Type	Value	Significance
Port Aux Basques	Canada	Record daily precipitation	56.4 mm (2.2 in)	57 of 100 (Notable)
Gubbi Sr	India	Record daily precipitation	90.2 mm (3.6 in)	55 of 100 (Notable)
Karmala	India	Record daily precipitation	75.0 mm (3.0 in)	55 of 100 (Notable)
Powell	United States	Record daily precipitation	36.3 mm (1.4 in)	54 of 100 (Notable)
Baddeck	Canada	Record daily precipitation	99.3 mm (3.9 in)	51 of 100 (Notable)
Shevgaon	India	Record daily precipitation	114.0 mm (4.5 in)	51 of 100 (Notable)
Nevasa	India	Record daily precipitation	60.2 mm (2.4 in)	51 of 100 (Notable)
Burlington	United States	Record daily precipitation	86.9 mm (3.4 in)	50 of 100 (Notable)
Chikhli	India	Record daily precipitation	81.3 mm (3.2 in)	42 of 100 (Notable)
Saint Maries	United States	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Port Hastings	Canada	Record daily precipitation	63.8 mm (2.5 in)	41 of 100 (Notable)
Buldana	India	Record daily precipitation	85.4 mm (3.4 in)	41 of 100 (Notable)
Lyons Falls	United States	Record daily precipitation	42.2 mm (1.7 in)	41 of 100 (Notable)
Okeene	United States	Record daily precipitation	55.1 mm (2.2 in)	41 of 100 (Notable)
Canon City	United States	Record daily precipitation	33.5 mm (1.3 in)	40 of 100 (Notable)
Vermillion 2 SE	United States	Record daily precipitation	66.0 mm (2.6 in)	40 of 100 (Notable)
Dubois Exp STN	United States	Record daily precipitation	37.8 mm (1.5 in)	38 of 100 (Notable)
Pindamonhangaba (Pcd)	Brazil	Record daily precipitation	49.4 mm (1.9 in)	37 of 100 (Notable)
Pathardi	India	Record daily precipitation	120.5 mm (4.7 in)	37 of 100 (Notable)
White Sulphur Springs	United States	Record daily precipitation	31.2 mm (1.2 in)	37 of 100 (Notable)
Pomerode	Brazil	Record daily precipitation	65.0 mm (2.6 in)	36 of 100 (Notable)
Gorakhpur	India	Record daily precipitation	101.0 mm (4.0 in)	36 of 100 (Notable)
Leoti	United States	Record daily precipitation	39.6 mm (1.6 in)	36 of 100 (Notable)
Mussoorie	India	Record daily precipitation	169.2 mm (6.7 in)	35 of 100 (Notable)
Bhadgaon	India	Record daily precipitation	66.4 mm (2.6 in)	34 of 100 (Routine)
Ft Fairfield 5 NE	United States	Record daily precipitation	36.6 mm (1.4 in)	34 of 100 (Routine)
Fairview	United States	Record daily precipitation	63.8 mm (2.5 in)	34 of 100 (Routine)
Belle Isle	Canada	Record daily precipitation	32.8 mm (1.3 in)	33 of 100 (Routine)
Saint Francis	United States	Record daily precipitation	51.6 mm (2.0 in)	33 of 100 (Routine)
Ericson 8 WNW	United States	Record daily precipitation	58.9 mm (2.3 in)	33 of 100 (Routine)
O'Neill	United States	Record daily precipitation	49.0 mm (1.9 in)	31 of 100 (Routine)
Stapleton 5 SSE	United States	Record daily precipitation	61.5 mm (2.4 in)	31 of 100 (Routine)
Cedar Lake	United States	Record daily precipitation	32.0 mm (1.3 in)	31 of 100 (Routine)
Mongpoo	India	Record daily precipitation	152.4 mm (6.0 in)	30 of 100 (Routine)
Ohotsk	Russia	Record low minimum temperature	3.5 C (38.3 F)	30 of 100 (Routine)
Millinocket	United States	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Bloomfield	United States	Record daily precipitation	65.5 mm (2.6 in)	30 of 100 (Routine)
Haigler	United States	Record daily precipitation	71.1 mm (2.8 in)	30 of 100 (Routine)
Kokpekty	Kazakhstan	Record high maximum temperature	35.2 C (95.4 F)	29 of 100 (Routine)
Caledonia	United States	Record low minimum temperature	6.7 C (44.1 F)	29 of 100 (Routine)
Mullen 3S	United States	Record daily precipitation	36.3 mm (1.4 in)	29 of 100 (Routine)
Osmond	United States	Record daily precipitation	83.1 mm (3.3 in)	29 of 100 (Routine)
San Juan de Guadalupe (Smn)	Mexico	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Paarl (Tnk)	South Africa	Record daily precipitation	45.0 mm (1.8 in)	28 of 100 (Routine)
Eskdalemuir	United Kingdom	Record daily precipitation	31.6 mm (1.2 in)	28 of 100 (Routine)
Alexandria	United States	Record high minimum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Hammond	United States	Record daily precipitation	50.0 mm (2.0 in)	28 of 100 (Routine)
Bridger 2 N	United States	Record daily precipitation	28.2 mm (1.1 in)	28 of 100 (Routine)
Madrid	United States	Record daily precipitation	43.7 mm (1.7 in)	28 of 100 (Routine)
Oakdale	United States	Record daily precipitation	66.0 mm (2.6 in)	28 of 100 (Routine)
Corner Brook	Canada	Record daily precipitation	27.9 mm (1.1 in)	27 of 100 (Routine)
Ahmadnagar	India	Record daily precipitation	40.0 mm (1.6 in)	27 of 100 (Routine)
Karjat	India	Record daily precipitation	38.2 mm (1.5 in)	27 of 100 (Routine)
Benkelman 1N	United States	Record daily precipitation	48.0 mm (1.9 in)	27 of 100 (Routine)
Tularosa	United States	Record low minimum temperature	10.0 C (50.0 F)	27 of 100 (Routine)
Arkonam	India	Record daily precipitation	110.0 mm (4.3 in)	26 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	14.9 C (58.8 F)	26 of 100 (Routine)
Waynesboro 2 S	United States	Record high minimum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
Tribune 1W	United States	Record daily precipitation	41.4 mm (1.6 in)	26 of 100 (Routine)
Haugan 1 W	United States	Record daily precipitation	28.4 mm (1.1 in)	26 of 100 (Routine)

Counts by Type and Timescale

470 records

Records set or tied on 20 August 1965 by type: Highest daily maximum 16, Lowest daily maximum 56, Highest daily minimum 63, Lowest daily minimum 32, Heaviest daily rainfall 303.

Records on 20 August 1965 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	56
Highest daily minimum	63
Lowest daily minimum	32
Heaviest daily rainfall	303
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1965 by timescale: all-time 0, monthly 12, daily 458.

How Much Records Were Beaten By

388 broken records

Margins by which the 388 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.5. Ties are not counted.

Top 20 by Significance

20 August 1965

Top 20 records on 20 August 1965 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1965	Port Aux Basques, CA	daily rain	56.4 mm (2.2 in)	35.1 mm (1.4 in)	52 years	57 of 100 (Notable)
20 August 1965	Gubbi Sr, IN	daily rain	90.2 mm (3.6 in)	55.9 mm (2.2 in)	32 years	55 of 100 (Notable)
20 August 1965	Karmala, IN	daily rain	75.0 mm (3.0 in)	41.2 mm (1.6 in)	63 years	55 of 100 (Notable)
20 August 1965	Powell, US	monthly rain	36.3 mm (1.4 in)	11.4 mm (0.4 in)	35 years	54 of 100 (Notable)
20 August 1965	Baddeck, CA	daily rain	99.3 mm (3.9 in)	46.5 mm (1.8 in)	24 years	51 of 100 (Notable)
20 August 1965	Shevgaon, IN	daily rain	114.0 mm (4.5 in)	82.2 mm (3.2 in)	18 years	51 of 100 (Notable)
20 August 1965	Nevasa, IN	daily rain	60.2 mm (2.4 in)	50.0 mm (2.0 in)	19 years	51 of 100 (Notable)
20 August 1965	Burlington, US	daily rain	86.9 mm (3.4 in)	38.6 mm (1.5 in)	48 years	50 of 100 (Notable)
20 August 1965	Chikhli, IN	daily rain	81.3 mm (3.2 in)	25.2 mm (1.0 in)	63 years	42 of 100 (Notable)
20 August 1965	Saint Maries, US	monthly rain	39.9 mm (1.6 in)	7.9 mm (0.31 in)	42 years	42 of 100 (Notable)
20 August 1965	Port Hastings, CA	daily rain	63.8 mm (2.5 in)	20.9 mm (0.8 in)	64 years	41 of 100 (Notable)
20 August 1965	Buldana, IN	daily rain	85.4 mm (3.4 in)	25.5 mm (1.0 in)	63 years	41 of 100 (Notable)
20 August 1965	Lyons Falls, US	daily rain	42.2 mm (1.7 in)	34.6 mm (1.4 in)	31 years	41 of 100 (Notable)
20 August 1965	Okeene, US	daily rain	55.1 mm (2.2 in)	28.4 mm (1.1 in)	60 years	41 of 100 (Notable)
20 August 1965	Canon City, US	daily rain	33.5 mm (1.3 in)	19.0 mm (0.7 in)	20 years	40 of 100 (Notable)
20 August 1965	Vermillion 2 SE, US	daily rain	66.0 mm (2.6 in)	34.2 mm (1.3 in)	28 years	40 of 100 (Notable)
20 August 1965	Dubois Exp STN, US	daily rain	37.8 mm (1.5 in)	16.2 mm (0.6 in)	20 years	38 of 100 (Notable)
20 August 1965	Pindamonhangaba (Pcd), BR	monthly rain	49.4 mm (1.9 in)	11.9 mm (0.5 in)	28 years	37 of 100 (Notable)
20 August 1965	Pathardi, IN	monthly rain	120.5 mm (4.7 in)	32.5 mm (1.3 in)	5 years	37 of 100 (Notable)
20 August 1965	White Sulphur Springs, US	daily rain	31.2 mm (1.2 in)	17.2 mm (0.7 in)	0 years	37 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

1797 to 1965

Records set or tied on this calendar date in each year from 1797 to 1965. 1965 had 470 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1965-08-20: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	356
20 to 40	25
40 to 60	5
60 to 80	0
80 to 100	2