Weather Records on 20 August 1969

608 weather records were set or tied worldwide on 20 August 1969. Highest significance: Louisa, US.

Key Facts for 20 August 1969

On 20 August 1969, 608 weather records were set or tied at long-record stations worldwide.
207 were record highs and 122 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 32 monthly and 570 daily.
Louisa set an all-time record daily precipitation of 284.0 mm (11.2 in) on 20 August 1969.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 454 records.

Record Map

608 stations

608 station records on 20 August 1969 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1969: highest significance records shown on the map
Station	Country	Type	Value	Significance
Louisa	United States	Record daily precipitation	284.0 mm (11.2 in)	76 of 100 (Major)
Clifton Forge 2 NW	United States	Record daily precipitation	259.3 mm (10.2 in)	73 of 100 (Major)
Utica	United States	Record daily precipitation	141.0 mm (5.6 in)	65 of 100 (Major)
Tenkasi	India	Record daily precipitation	48.0 mm (1.9 in)	61 of 100 (Major)
Rockfish	United States	Record daily precipitation	317.0 mm (12.5 in)	61 of 100 (Major)
Hot Springs	United States	Record daily precipitation	89.7 mm (3.5 in)	60 of 100 (Major)
Charlottesville 2W	United States	Record daily precipitation	118.9 mm (4.7 in)	59 of 100 (Notable)
Warsaw 2 NW	United States	Record daily precipitation	162.8 mm (6.4 in)	59 of 100 (Notable)
Bahraich	India	Record daily precipitation	387.2 mm (15.2 in)	57 of 100 (Notable)
Pocomoke City	United States	Record daily precipitation	108.5 mm (4.3 in)	55 of 100 (Notable)
Snow Hill 4 N	United States	Record daily precipitation	125.7 mm (4.9 in)	55 of 100 (Notable)
Buchanan	United States	Record daily precipitation	95.3 mm (3.8 in)	55 of 100 (Notable)
Prospect	United States	Record daily precipitation	58.4 mm (2.3 in)	54 of 100 (Notable)
Lexington	United States	Record daily precipitation	125.7 mm (4.9 in)	53 of 100 (Notable)
Ravenna Lock 12	United States	Record daily precipitation	81.3 mm (3.2 in)	52 of 100 (Notable)
Logan	United States	Record daily precipitation	101.6 mm (4.0 in)	52 of 100 (Notable)
Limburg/Lahn-Offheim	Germany	Record daily precipitation	36.5 mm (1.4 in)	51 of 100 (Notable)
Tamenlong	India	Record daily precipitation	150.0 mm (5.9 in)	50 of 100 (Notable)
Salvisa Lock 6	United States	Record daily precipitation	77.2 mm (3.0 in)	50 of 100 (Notable)
Princess Anne	United States	Record daily precipitation	161.5 mm (6.4 in)	50 of 100 (Notable)
Vinton	United States	Record daily precipitation	42.9 mm (1.7 in)	49 of 100 (Notable)
Connellsville	United States	Record daily precipitation	69.9 mm (2.8 in)	49 of 100 (Notable)
Carrollton Lock 1	United States	Record daily precipitation	82.6 mm (3.3 in)	48 of 100 (Notable)
White Sulphur Springs	United States	Record daily precipitation	76.7 mm (3.0 in)	48 of 100 (Notable)
Bad Ems	Germany	Record daily precipitation	43.0 mm (1.7 in)	47 of 100 (Notable)
Madison 3NNW	United States	Record daily precipitation	78.7 mm (3.1 in)	47 of 100 (Notable)
W Liberty 3NW	United States	Record daily precipitation	108.0 mm (4.3 in)	46 of 100 (Notable)
Suhobuzimskoe	Russia	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Richmond	United States	Record daily precipitation	70.4 mm (2.8 in)	45 of 100 (Notable)
Biedenkopf	Germany	Record daily precipitation	33.4 mm (1.3 in)	44 of 100 (Notable)
Basirhat	India	Record daily precipitation	135.9 mm (5.4 in)	44 of 100 (Notable)
Webster City	United States	Record daily precipitation	105.7 mm (4.2 in)	44 of 100 (Notable)
Osceola	United States	Record daily precipitation	63.5 mm (2.5 in)	44 of 100 (Notable)
New Canton	United States	Record daily precipitation	116.1 mm (4.6 in)	44 of 100 (Notable)
Clay	United States	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Williamson	United States	Record daily precipitation	53.6 mm (2.1 in)	44 of 100 (Notable)
Hilgenroth	Germany	Record daily precipitation	37.0 mm (1.5 in)	43 of 100 (Notable)
Mayen	Germany	Record daily precipitation	40.8 mm (1.6 in)	43 of 100 (Notable)
Dillenburg	Germany	Record daily precipitation	32.5 mm (1.3 in)	43 of 100 (Notable)
Paintsville 1E	United States	Record daily precipitation	102.9 mm (4.1 in)	43 of 100 (Notable)
Lewisburg 3 N	United States	Record daily precipitation	86.4 mm (3.4 in)	43 of 100 (Notable)
Blankenrath	Germany	Record daily precipitation	37.9 mm (1.5 in)	42 of 100 (Notable)
Teziutlan	Mexico	Record daily precipitation	91.4 mm (3.6 in)	42 of 100 (Notable)
Fredericksburg Np	United States	Record daily precipitation	117.3 mm (4.6 in)	42 of 100 (Notable)
Niederworresbach	Germany	Record daily precipitation	32.5 mm (1.3 in)	41 of 100 (Notable)
Bad-Ahrweiler Neuenahr	Germany	Record daily precipitation	64.8 mm (2.6 in)	41 of 100 (Notable)
Bonn-Friesdorf	Germany	Record daily precipitation	47.6 mm (1.9 in)	41 of 100 (Notable)
Walkerton 2 NW	United States	Record daily precipitation	92.7 mm (3.6 in)	41 of 100 (Notable)
Holzhausen A.D. Haide	Germany	Record daily precipitation	38.6 mm (1.5 in)	40 of 100 (Notable)
Lennestadt-Theten	Germany	Record daily precipitation	35.5 mm (1.4 in)	40 of 100 (Notable)
Bernkastel-Kues	Germany	Record daily precipitation	38.4 mm (1.5 in)	40 of 100 (Notable)
Willow Lock 13	United States	Record daily precipitation	72.4 mm (2.9 in)	40 of 100 (Notable)
Bruceton 1 S	United States	Record daily precipitation	77.0 mm (3.0 in)	40 of 100 (Notable)
Ashland	United States	Record daily precipitation	101.6 mm (4.0 in)	40 of 100 (Notable)
Springfield 2W	United States	Record daily precipitation	54.9 mm (2.2 in)	39 of 100 (Notable)
Charleston 1	United States	Record daily precipitation	58.9 mm (2.3 in)	39 of 100 (Notable)
Danville	United States	Record daily precipitation	75.4 mm (3.0 in)	38 of 100 (Notable)
Valley View Lock 9	United States	Record daily precipitation	68.1 mm (2.7 in)	38 of 100 (Notable)
Pedlar Dam	United States	Record daily precipitation	165.1 mm (6.5 in)	38 of 100 (Notable)
Mistassini Post	Canada	Record low maximum temperature	8.9 C (48.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

608 records

Records set or tied on 20 August 1969 by type: Highest daily maximum 60, Lowest daily maximum 72, Highest daily minimum 147, Lowest daily minimum 50, Heaviest daily rainfall 279.

Records on 20 August 1969 by type
Record type	Records
Highest daily maximum	60
Lowest daily maximum	72
Highest daily minimum	147
Lowest daily minimum	50
Heaviest daily rainfall	279
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1969 by timescale: all-time 6, monthly 32, daily 570.

How Much Records Were Beaten By

479 broken records

Margins by which the 479 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 212.4. Ties are not counted.

Top 20 by Significance

20 August 1969

Top 20 records on 20 August 1969 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1969	Louisa, US	all-time rain	284.0 mm (11.2 in)	141.0 mm (5.6 in)	39 years	76 of 100 (Major)
20 August 1969	Clifton Forge 2 NW, US	all-time rain	259.3 mm (10.2 in)	143.5 mm (5.6 in)	20 years	73 of 100 (Major)
20 August 1969	Utica, US	monthly rain	141.0 mm (5.6 in)	62.3 mm (2.5 in)	35 years	65 of 100 (Major)
20 August 1969	Tenkasi, IN	daily rain	48.0 mm (1.9 in)	38.6 mm (1.5 in)	52 years	61 of 100 (Major)
20 August 1969	Rockfish, US	monthly rain	317.0 mm (12.5 in)	212.4 mm (8.4 in)	29 years	61 of 100 (Major)
20 August 1969	Hot Springs, US	daily rain	89.7 mm (3.5 in)	50.6 mm (2.0 in)	48 years	60 of 100 (Major)
20 August 1969	Charlottesville 2W, US	daily rain	118.9 mm (4.7 in)	80.8 mm (3.2 in)	43 years	59 of 100 (Notable)
20 August 1969	Warsaw 2 NW, US	daily rain	162.8 mm (6.4 in)	105.6 mm (4.2 in)	42 years	59 of 100 (Notable)
20 August 1969	Bahraich, IN	all-time rain	387.2 mm (15.2 in)	61.3 mm (2.4 in)	31 years	57 of 100 (Notable)
20 August 1969	Pocomoke City, US	daily rain	108.5 mm (4.3 in)	79.3 mm (3.1 in)	36 years	55 of 100 (Notable)
20 August 1969	Snow Hill 4 N, US	daily rain	125.7 mm (4.9 in)	87.6 mm (3.4 in)	34 years	55 of 100 (Notable)
20 August 1969	Buchanan, US	daily rain	95.3 mm (3.8 in)	66.6 mm (2.6 in)	28 years	55 of 100 (Notable)
20 August 1969	Prospect, US	daily rain	58.4 mm (2.3 in)	44.4 mm (1.7 in)	44 years	54 of 100 (Notable)
20 August 1969	Lexington, US	monthly rain	125.7 mm (4.9 in)	36.3 mm (1.4 in)	21 years	53 of 100 (Notable)
20 August 1969	Ravenna Lock 12, US	daily rain	81.3 mm (3.2 in)	52.1 mm (2.1 in)	38 years	52 of 100 (Notable)
20 August 1969	Logan, US	monthly rain	101.6 mm (4.0 in)	30.2 mm (1.2 in)	31 years	52 of 100 (Notable)
20 August 1969	Limburg/Lahn-Offheim, DE	daily rain	36.5 mm (1.4 in)	30.0 mm (1.2 in)	28 years	51 of 100 (Notable)
20 August 1969	Tamenlong, IN	daily rain	150.0 mm (5.9 in)	89.0 mm (3.5 in)	36 years	50 of 100 (Notable)
20 August 1969	Salvisa Lock 6, US	daily rain	77.2 mm (3.0 in)	46.7 mm (1.8 in)	38 years	50 of 100 (Notable)
20 August 1969	Princess Anne, US	daily rain	161.5 mm (6.4 in)	118.3 mm (4.7 in)	12 years	50 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 1969

Records set or tied on this calendar date in each year from 1797 to 1969. 1969 had 608 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 1969-08-20: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 50	457
50 to 100	17
100 to 150	4
150 to 200	0
200 to 250	1