Weather Records on 11 July 1977

537 weather records were set or tied worldwide on 11 July 1977. Highest significance: Whiteriver 1 SW, US.

Key Facts for 11 July 1977

On 11 July 1977, 537 weather records were set or tied at long-record stations worldwide.
142 were record highs and 144 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 528 daily.
Whiteriver 1 SW set a daily record precipitation of 68.8 mm (2.7 in) on 11 July 1977.
Across 167 earlier years (1813 to 2026) the same calendar date averaged 422 records.

Record Map

537 stations

537 station records on 11 July 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 July 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Whiteriver 1 SW	United States	Record daily precipitation	68.8 mm (2.7 in)	61 of 100 (Major)
Leupp	United States	Record daily precipitation	32.3 mm (1.3 in)	59 of 100 (Notable)
De Soto	United States	Record daily precipitation	53.3 mm (2.1 in)	58 of 100 (Notable)
Doornrivier	South Africa	Record daily precipitation	36.0 mm (1.4 in)	56 of 100 (Notable)
Krasnohrad	Ukraine	Record daily precipitation	70.3 mm (2.8 in)	55 of 100 (Notable)
Derbent	Russia	Record daily precipitation	67.6 mm (2.7 in)	54 of 100 (Notable)
Robben Island (Vrt)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	52 of 100 (Notable)
Dauphin A	Canada	Record daily precipitation	71.4 mm (2.8 in)	51 of 100 (Notable)
Taganrog (Lighthouse)	Russia	Record daily precipitation	58.3 mm (2.3 in)	51 of 100 (Notable)
Ruzaevka	Kazakhstan	Record daily precipitation	41.4 mm (1.6 in)	49 of 100 (Notable)
Waterloo 6SW	United States	Record daily precipitation	68.6 mm (2.7 in)	49 of 100 (Notable)
Vysnij Volocek	Russia	Record daily precipitation	30.8 mm (1.2 in)	47 of 100 (Notable)
Vrugbaar	South Africa	Record daily precipitation	55.0 mm (2.2 in)	46 of 100 (Notable)
Worcester	South Africa	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Maranguape	Brazil	Record daily precipitation	38.8 mm (1.5 in)	45 of 100 (Notable)
Albion	United States	Record daily precipitation	43.2 mm (1.7 in)	45 of 100 (Notable)
Outtrim	Australia	Record daily precipitation	27.6 mm (1.1 in)	44 of 100 (Notable)
Malmesbury	South Africa	Record daily precipitation	42.5 mm (1.7 in)	44 of 100 (Notable)
Mt Carmel	United States	Record daily precipitation	47.5 mm (1.9 in)	44 of 100 (Notable)
Budennovsk	Russia	Record daily precipitation	67.5 mm (2.7 in)	43 of 100 (Notable)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	50.5 mm (2.0 in)	43 of 100 (Notable)
Willcox	United States	Record daily precipitation	25.1 mm (1.0 in)	43 of 100 (Notable)
Wytheville	United States	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
1 ENE Fairfield	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Concordia	South Africa	Record daily precipitation	47.5 mm (1.9 in)	41 of 100 (Notable)
Robertson	South Africa	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Tussenbeide	South Africa	Record daily precipitation	43.8 mm (1.7 in)	40 of 100 (Notable)
Flora 5 NW	United States	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Harrisburg Disposal Pl	United States	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Nicosia	Cyprus	Record high minimum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Drake	United States	Record daily precipitation	37.8 mm (1.5 in)	39 of 100 (Notable)
Wilton	United States	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Bluestone Lake	United States	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Beaverlodge Cda	Canada	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Thomasville 7 NE	United States	Record high minimum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Washington 3 SSW	United States	Record daily precipitation	58.7 mm (2.3 in)	38 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record daily precipitation	64.8 mm (2.6 in)	38 of 100 (Notable)
Zapadnaya	Russia	Record daily precipitation	60.3 mm (2.4 in)	37 of 100 (Notable)
Dassieshoek	South Africa	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)
Nicosia	Cyprus	Record high maximum temperature	44.2 C (111.6 F)	36 of 100 (Notable)
Columbus	United States	Record daily precipitation	34.8 mm (1.4 in)	36 of 100 (Notable)
Cornwall	United States	Record low minimum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
Brest	Belarus	Record daily precipitation	38.2 mm (1.5 in)	35 of 100 (Notable)
Belem Do Brejo Do Cruz	Brazil	Record daily precipitation	65.0 mm (2.6 in)	35 of 100 (Notable)
Huatusco de Chicuellar	Mexico	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Lebanon (Bos)	South Africa	Record daily precipitation	42.5 mm (1.7 in)	35 of 100 (Notable)
Villiersdorp	South Africa	Record daily precipitation	53.5 mm (2.1 in)	35 of 100 (Notable)
Rhebokskraal	South Africa	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
Hopefield (Pol)	South Africa	Record daily precipitation	31.5 mm (1.2 in)	35 of 100 (Notable)
Mariupol'	Ukraine	Record daily precipitation	41.1 mm (1.6 in)	35 of 100 (Notable)
Salem	United States	Record daily precipitation	74.7 mm (2.9 in)	35 of 100 (Notable)
Seymour 1 WSW	United States	Record low maximum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
La Plaisante	South Africa	Record daily precipitation	47.5 mm (1.9 in)	34 of 100 (Routine)
Salvisa Lock 6	United States	Record daily precipitation	57.2 mm (2.3 in)	34 of 100 (Routine)
Genoa 2 W	United States	Record daily precipitation	35.1 mm (1.4 in)	34 of 100 (Routine)
Malcolm	United States	Record daily precipitation	77.0 mm (3.0 in)	34 of 100 (Routine)
Kluitjeskraal (Bos)	South Africa	Record daily precipitation	59.0 mm (2.3 in)	33 of 100 (Routine)
Memphis	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Jemez Springs	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Southport 5 N	United States	Record high maximum temperature	36.1 C (97.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

537 records

Records set or tied on 11 July 1977 by type: Highest daily maximum 83, Lowest daily maximum 47, Highest daily minimum 59, Lowest daily minimum 97, Heaviest daily rainfall 251.

Records on 11 July 1977 by type
Record type	Records
Highest daily maximum	83
Lowest daily maximum	47
Highest daily minimum	59
Lowest daily minimum	97
Heaviest daily rainfall	251
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 July 1977 by timescale: all-time 1, monthly 8, daily 528.

How Much Records Were Beaten By

421 broken records

Margins by which the 421 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 52.5. Ties are not counted.

Top 20 by Significance

11 July 1977

Top 20 records on 11 July 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 July 1977	Whiteriver 1 SW, US	daily rain	68.8 mm (2.7 in)	43.9 mm (1.7 in)	47 years	61 of 100 (Major)
11 July 1977	Leupp, US	daily rain	32.3 mm (1.3 in)	27.0 mm (1.1 in)	59 years	59 of 100 (Notable)
11 July 1977	De Soto, US	daily rain	53.3 mm (2.1 in)	42.9 mm (1.7 in)	72 years	58 of 100 (Notable)
11 July 1977	Doornrivier, ZA	daily rain	36.0 mm (1.4 in)	29.4 mm (1.2 in)	40 years	56 of 100 (Notable)
11 July 1977	Krasnohrad, UA	daily rain	70.3 mm (2.8 in)	52.5 mm (2.1 in)	36 years	55 of 100 (Notable)
11 July 1977	Derbent, RU	monthly rain	67.6 mm (2.7 in)	26.3 mm (1.0 in)	0 years	54 of 100 (Notable)
11 July 1977	Robben Island (Vrt), ZA	daily rain	32.0 mm (1.3 in)	21.6 mm (0.9 in)	48 years	52 of 100 (Notable)
11 July 1977	Dauphin A, CA	daily rain	71.4 mm (2.8 in)	50.6 mm (2.0 in)	27 years	51 of 100 (Notable)
11 July 1977	Taganrog (Lighthouse), RU	daily rain	58.3 mm (2.3 in)	33.8 mm (1.3 in)	44 years	51 of 100 (Notable)
11 July 1977	Ruzaevka, KZ	daily rain	41.4 mm (1.6 in)	22.2 mm (0.9 in)	39 years	49 of 100 (Notable)
11 July 1977	Waterloo 6SW, US	daily rain	68.6 mm (2.7 in)	35.6 mm (1.4 in)	58 years	49 of 100 (Notable)
11 July 1977	Vysnij Volocek, RU	daily rain	30.8 mm (1.2 in)	13.6 mm (0.5 in)	74 years	47 of 100 (Notable)
11 July 1977	Vrugbaar, ZA	daily rain	55.0 mm (2.2 in)	28.8 mm (1.1 in)	38 years	46 of 100 (Notable)
11 July 1977	Worcester, ZA	daily rain	33.0 mm (1.3 in)	21.3 mm (0.8 in)	30 years	46 of 100 (Notable)
11 July 1977	Maranguape, BR	daily rain	38.8 mm (1.5 in)	18.7 mm (0.7 in)	50 years	45 of 100 (Notable)
11 July 1977	Albion, US	daily rain	43.2 mm (1.7 in)	23.4 mm (0.9 in)	70 years	45 of 100 (Notable)
11 July 1977	Outtrim, AU	daily rain	27.6 mm (1.1 in)	8.5 mm (0.33 in)	80 years	44 of 100 (Notable)
11 July 1977	Malmesbury, ZA	daily rain	42.5 mm (1.7 in)	21.9 mm (0.9 in)	27 years	44 of 100 (Notable)
11 July 1977	Mt Carmel, US	daily rain	47.5 mm (1.9 in)	22.1 mm (0.9 in)	72 years	44 of 100 (Notable)
11 July 1977	Budennovsk, RU	daily rain	67.5 mm (2.7 in)	32.7 mm (1.3 in)	19 years	43 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

1813 to 1977

Records set or tied on this calendar date in each year from 1813 to 1977. 1977 had 537 records.

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

Records on 07-11 in each year
Year	Records
1813	2
1815	1
1816	1
1821	1
1843	1
1845	1
1846	1
1847	2
1849	1
1850	2
1851	2
1856	1
1858	1
1859	1
1860	1
1862	1
1863	1
1866	1
1868	1
1869	2
1870	2
1871	1
1873	1
1874	3
1875	1
1876	3
1878	2
1879	3
1882	2
1886	4
1887	1
1888	3
1889	9
1890	5
1891	4
1894	12
1895	3
1896	2
1897	2
1898	4
1899	7
1900	4
1901	4
1902	3
1903	7
1904	14
1905	16
1906	17
1907	23
1908	36
1909	16
1910	24
1911	87
1912	21
1913	36
1914	45
1915	21
1916	29
1917	121
1918	18
1919	37
1920	22
1921	179
1922	56
1923	107
1924	100
1925	425
1926	215
1927	106
1928	91
1929	121
1930	572
1931	206
1932	291
1933	705
1934	413
1935	387
1936	1,268
1937	405
1938	244
1939	496
1940	296
1941	517
1942	734
1943	369
1944	702
1945	978
1946	275
1947	388
1948	313
1949	286
1950	619
1951	849
1952	519
1953	554
1954	758
1955	343
1956	534
1957	495
1958	519
1959	523
1960	373
1961	731
1962	536
1963	706
1964	482
1965	406
1966	503
1967	368
1968	482
1969	569
1970	404
1971	547
1972	486
1973	658
1974	858
1975	1,107
1976	734
1977	537
1978	829
1979	519
1980	1,002
1981	663
1982	642
1983	984
1984	1,174
1985	607
1986	691
1987	1,030
1988	973
1989	832
1990	1,010
1991	1,038
1992	926
1993	1,227
1994	839
1995	1,037
1996	1,283
1997	686
1998	1,235
1999	1,175
2000	862
2001	874
2002	1,438
2003	1,033
2004	658
2005	1,105
2006	809
2007	962
2008	759
2009	801
2010	1,210
2011	1,016
2012	1,053
2013	553
2014	540
2015	766
2016	1,035
2017	589
2018	439
2019	606
2020	814
2021	935
2022	581
2023	873
2024	1,064
2025	440
2026	705

Download the Data

Data for records on 1977-07-11: 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).

Histogram of margins by which records were beaten on 11 July 1977
Margin	Records
0 to 10	325
10 to 20	47
20 to 30	31
30 to 40	11
40 to 50	4
50 to 60	3