Weather Records on 6 August 1977

623 weather records were set or tied worldwide on 6 August 1977. Highest significance: Defiance, US.

Key Facts for 6 August 1977

On 6 August 1977, 623 weather records were set or tied at long-record stations worldwide.
250 were record highs and 141 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 601 daily.
Defiance set a daily record precipitation of 66.0 mm (2.6 in) on 6 August 1977.
Across 165 earlier years (1794 to 2026) the same calendar date averaged 445 records.

Record Map

623 stations

623 station records on 6 August 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 August 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Defiance	United States	Record daily precipitation	66.0 mm (2.6 in)	58 of 100 (Notable)
Chillicothe Radio Kchi	United States	Record daily precipitation	120.9 mm (4.8 in)	52 of 100 (Notable)
Angelica	United States	Record daily precipitation	55.1 mm (2.2 in)	50 of 100 (Notable)
Carville 2 SW	United States	Record daily precipitation	77.5 mm (3.1 in)	49 of 100 (Notable)
Delphi 2 N	United States	Record daily precipitation	51.3 mm (2.0 in)	48 of 100 (Notable)
Monticello	United States	Record daily precipitation	65.3 mm (2.6 in)	48 of 100 (Notable)
Dunderlandsdalen	Norway	Record daily precipitation	33.2 mm (1.3 in)	47 of 100 (Notable)
Mackinaw 3WSW	United States	Record daily precipitation	90.2 mm (3.6 in)	47 of 100 (Notable)
Lincoln 1 SE	United States	Record daily precipitation	76.2 mm (3.0 in)	46 of 100 (Notable)
Little Valley	United States	Record daily precipitation	74.9 mm (2.9 in)	45 of 100 (Notable)
Wakefield 4 W	United States	Record daily precipitation	53.8 mm (2.1 in)	43 of 100 (Notable)
Wurzburg	Germany	Record daily precipitation	34.3 mm (1.4 in)	42 of 100 (Notable)
Marysville	United States	Record daily precipitation	71.1 mm (2.8 in)	42 of 100 (Notable)
Logansport Cicott St	United States	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Allegany Sp	United States	Record daily precipitation	84.8 mm (3.3 in)	41 of 100 (Notable)
Lafayette Purdue UNIV AP	United States	Record daily precipitation	77.2 mm (3.0 in)	41 of 100 (Notable)
Nuri	Mexico	Record daily precipitation	104.9 mm (4.1 in)	40 of 100 (Notable)
Pearce - Sunsites	United States	Record high minimum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Dover	United States	Record high maximum temperature	38.9 C (102.0 F)	39 of 100 (Notable)
Maple Plain	United States	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Sagaredzo	Georgia	Record daily precipitation	34.5 mm (1.4 in)	38 of 100 (Notable)
Covert	United States	Record daily precipitation	42.9 mm (1.7 in)	37 of 100 (Notable)
Holton	United States	Record daily precipitation	75.4 mm (3.0 in)	37 of 100 (Notable)
Dubois	United States	Record low maximum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Clinton 1SSW	United States	Record daily precipitation	58.9 mm (2.3 in)	36 of 100 (Notable)
Salisbury	United States	Record daily precipitation	62.5 mm (2.5 in)	36 of 100 (Notable)
Longmire Rainier Nps	United States	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Rantoul	United States	Record daily precipitation	156.2 mm (6.1 in)	36 of 100 (Notable)
Hoopeston	United States	Record daily precipitation	75.7 mm (3.0 in)	35 of 100 (Notable)
Manassas 3 NW	United States	Record high maximum temperature	36.7 C (98.1 F)	35 of 100 (Notable)
Mala	Sweden	Record daily precipitation	25.5 mm (1.0 in)	34 of 100 (Routine)
Armagh	United Kingdom	Record low minimum temperature	4.2 C (39.6 F)	34 of 100 (Routine)
Farmville	United States	Record high maximum temperature	37.2 C (99.0 F)	34 of 100 (Routine)
Gibson City	United States	Record daily precipitation	72.4 mm (2.9 in)	33 of 100 (Routine)
Pocomoke City	United States	Record high maximum temperature	36.1 C (97.0 F)	33 of 100 (Routine)
Pipestone	United States	Record low minimum temperature	6.7 C (44.1 F)	33 of 100 (Routine)
Olean	United States	Record daily precipitation	58.7 mm (2.3 in)	33 of 100 (Routine)
Paulding	United States	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Put-In-Bay	United States	Record daily precipitation	59.2 mm (2.3 in)	33 of 100 (Routine)
Headworks Portland Wtr B	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Buffalo	United States	Record daily precipitation	59.7 mm (2.4 in)	33 of 100 (Routine)
Wrixum/Fohr	Germany	Record low minimum temperature	7.4 C (45.3 F)	32 of 100 (Routine)
Middletown 4 W	United States	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
W Lafayette 6 NW	United States	Record daily precipitation	38.4 mm (1.5 in)	32 of 100 (Routine)
Atchison	United States	Record daily precipitation	92.2 mm (3.6 in)	32 of 100 (Routine)
Everett	United States	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
Canton	United States	Record daily precipitation	118.9 mm (4.7 in)	31 of 100 (Routine)
Alfred	United States	Record daily precipitation	48.5 mm (1.9 in)	31 of 100 (Routine)
Torrington Exp Farm	United States	Record low maximum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
Bezeck	Russia	Record daily precipitation	30.3 mm (1.2 in)	30 of 100 (Routine)
Brunswick	United States	Record low minimum temperature	20.0 C (68.0 F)	30 of 100 (Routine)
Clinton	United States	Record high minimum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Grant City	United States	Record daily precipitation	64.0 mm (2.5 in)	30 of 100 (Routine)
Kimball 2NE	United States	Record low maximum temperature	16.1 C (61.0 F)	30 of 100 (Routine)
Watertown	United States	Record daily precipitation	29.7 mm (1.2 in)	30 of 100 (Routine)
The Dalles	United States	Record high minimum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Batesburg	United States	Record daily precipitation	69.9 mm (2.8 in)	30 of 100 (Routine)
Chilliwack	Canada	Record high minimum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Oujda	Morocco	Record low maximum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Beiarn	Norway	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)

Counts by Type and Timescale

623 records

Records set or tied on 6 August 1977 by type: Highest daily maximum 100, Lowest daily maximum 72, Highest daily minimum 150, Lowest daily minimum 69, Heaviest daily rainfall 232.

Records on 6 August 1977 by type
Record type	Records
Highest daily maximum	100
Lowest daily maximum	72
Highest daily minimum	150
Lowest daily minimum	69
Heaviest daily rainfall	232
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 August 1977 by timescale: all-time 2, monthly 20, daily 601.

How Much Records Were Beaten By

474 broken records

Margins by which the 474 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 77.0. Ties are not counted.

Top 20 by Significance

6 August 1977

Top 20 records on 6 August 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 August 1977	Defiance, US	daily rain	66.0 mm (2.6 in)	39.1 mm (1.5 in)	47 years	58 of 100 (Notable)
6 August 1977	Chillicothe Radio Kchi, US	daily rain	120.9 mm (4.8 in)	77.0 mm (3.0 in)	22 years	52 of 100 (Notable)
6 August 1977	Angelica, US	daily rain	55.1 mm (2.2 in)	31.7 mm (1.2 in)	40 years	50 of 100 (Notable)
6 August 1977	Carville 2 SW, US	daily rain	77.5 mm (3.1 in)	47.5 mm (1.9 in)	36 years	49 of 100 (Notable)
6 August 1977	Delphi 2 N, US	daily rain	51.3 mm (2.0 in)	20.8 mm (0.8 in)	80 years	48 of 100 (Notable)
6 August 1977	Monticello, US	daily rain	65.3 mm (2.6 in)	30.5 mm (1.2 in)	60 years	48 of 100 (Notable)
6 August 1977	Dunderlandsdalen, NO	daily rain	33.2 mm (1.3 in)	12.2 mm (0.5 in)	68 years	47 of 100 (Notable)
6 August 1977	Mackinaw 3WSW, US	daily rain	90.2 mm (3.6 in)	53.6 mm (2.1 in)	26 years	47 of 100 (Notable)
6 August 1977	Lincoln 1 SE, US	daily rain	76.2 mm (3.0 in)	48.3 mm (1.9 in)	24 years	46 of 100 (Notable)
6 August 1977	Little Valley, US	daily rain	74.9 mm (2.9 in)	43.9 mm (1.7 in)	8 years	45 of 100 (Notable)
6 August 1977	Wakefield 4 W, US	daily rain	53.8 mm (2.1 in)	37.5 mm (1.5 in)	34 years	43 of 100 (Notable)
6 August 1977	Wurzburg, DE	daily rain	34.3 mm (1.4 in)	18.8 mm (0.7 in)	23 years	42 of 100 (Notable)
6 August 1977	Marysville, US	daily rain	71.1 mm (2.8 in)	43.2 mm (1.7 in)	24 years	42 of 100 (Notable)
6 August 1977	Logansport Cicott St, US	daily rain	50.0 mm (2.0 in)	14.4 mm (0.6 in)	72 years	41 of 100 (Notable)
6 August 1977	Allegany Sp, US	monthly rain	84.8 mm (3.3 in)	14.9 mm (0.6 in)	44 years	41 of 100 (Notable)
6 August 1977	Lafayette Purdue UNIV AP, US	daily rain	77.2 mm (3.0 in)	48.8 mm (1.9 in)	19 years	41 of 100 (Notable)
6 August 1977	Nuri, MX	daily rain	104.9 mm (4.1 in)	48.5 mm (1.9 in)	28 years	40 of 100 (Notable)
6 August 1977	Pearce - Sunsites, US	monthly high min	22.8 C (73.0 F)	1.1 C (2.0 F)	61 years	40 of 100 (Notable)
6 August 1977	Dover, US	monthly high max	38.9 C (102.0 F)	1.1 C (2.0 F)	62 years	39 of 100 (Notable)
6 August 1977	Maple Plain, US	daily low min	5.6 C (42.1 F)	2.7 C (4.9 F)	83 years	39 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

1794 to 1977

Records set or tied on this calendar date in each year from 1794 to 1977. 1977 had 623 records.

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

Records on 08-06 in each year
Year	Records
1794	1
1806	1
1808	1
1809	1
1810	1
1822	1
1830	1
1833	1
1847	1
1849	1
1856	3
1857	2
1858	1
1859	1
1861	1
1866	1
1869	1
1871	2
1876	1
1878	3
1879	1
1881	3
1883	1
1884	1
1885	3
1886	2
1887	1
1888	7
1889	3
1890	2
1891	2
1892	3
1893	1
1894	1
1895	6
1896	6
1897	1
1898	5
1899	2
1900	6
1901	7
1902	4
1903	16
1904	13
1905	13
1906	24
1907	26
1908	17
1909	14
1910	20
1911	22
1912	57
1913	41
1914	6
1915	108
1916	40
1917	35
1918	526
1919	92
1920	39
1921	49
1922	90
1923	113
1924	150
1925	78
1926	85
1927	132
1928	101
1929	189
1930	356
1931	349
1932	226
1933	284
1934	580
1935	330
1936	318
1937	371
1938	308
1939	311
1940	385
1941	356
1942	303
1943	248
1944	312
1945	458
1946	430
1947	625
1948	1,166
1949	464
1950	480
1951	720
1952	513
1953	646
1954	532
1955	531
1956	447
1957	949
1958	521
1959	422
1960	250
1961	551
1962	496
1963	258
1964	481
1965	390
1966	378
1967	757
1968	586
1969	613
1970	504
1971	945
1972	877
1973	876
1974	884
1975	749
1976	923
1977	623
1978	790
1979	544
1980	818
1981	855
1982	643
1983	1,281
1984	815
1985	874
1986	648
1987	948
1988	873
1989	879
1990	1,463
1991	1,100
1992	1,053
1993	1,569
1994	1,918
1995	1,500
1996	1,038
1997	1,216
1998	1,546
1999	938
2000	870
2001	1,100
2002	988
2003	1,221
2004	1,076
2005	756
2006	849
2007	991
2008	820
2009	1,033
2010	1,205
2011	1,357
2012	845
2013	722
2014	673
2015	827
2016	472
2017	827
2018	598
2019	645
2020	510
2021	457
2022	960
2023	1,177
2024	882
2025	721
2026	955

Download the Data

Data for records on 1977-08-06: 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 10	400
10 to 20	45
20 to 30	10
30 to 40	8
40 to 50	9
50 to 60	1
60 to 70	0
70 to 80	1