Weather Records on 11 October 1977

655 weather records were set or tied worldwide on 11 October 1977. Highest significance: Watersmeet, US.

Key Facts for 11 October 1977

On 11 October 1977, 655 weather records were set or tied at long-record stations worldwide.
142 were record highs and 344 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 645 daily.
Watersmeet set a daily record precipitation of 48.3 mm (1.9 in) on 11 October 1977.
Across 165 earlier years (1793 to 2026) the same calendar date averaged 454 records.

Record Map

655 stations

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

Weather records on 11 October 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Watersmeet	United States	Record daily precipitation	48.3 mm (1.9 in)	60 of 100 (Major)
Kurdamir	Azerbaijan	Record daily precipitation	54.4 mm (2.1 in)	55 of 100 (Notable)
Shusha	Azerbaijan	Record daily precipitation	38.3 mm (1.5 in)	55 of 100 (Notable)
Lachin	Azerbaijan	Record daily precipitation	39.3 mm (1.5 in)	49 of 100 (Notable)
Ketchikan AP	United States	Record daily precipitation	221.2 mm (8.7 in)	49 of 100 (Notable)
Tower 2S	United States	Record daily snowfall	7.6 cm (3.0 in)	48 of 100 (Notable)
Khankandy	Azerbaijan	Record daily precipitation	28.1 mm (1.1 in)	46 of 100 (Notable)
Rinconada	Mexico	Record daily precipitation	89.9 mm (3.5 in)	44 of 100 (Notable)
O'Neill	United States	Record daily snowfall	5.1 cm (2.0 in)	43 of 100 (Notable)
Pine Grove Fire Twr	United States	Record daily precipitation	81.3 mm (3.2 in)	41 of 100 (Notable)
Melbourne Regional Office	Australia	Record high maximum temperature	31.4 C (88.5 F)	40 of 100 (Notable)
Centerville	United States	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Sugartown	United States	Record daily precipitation	57.2 mm (2.3 in)	40 of 100 (Notable)
Brule Rs	United States	Record daily precipitation	47.5 mm (1.9 in)	40 of 100 (Notable)
Hayward Rs	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Turocak	Russia	Record daily precipitation	31.3 mm (1.2 in)	39 of 100 (Notable)
Crowley 2 NE	United States	Record daily precipitation	77.5 mm (3.1 in)	39 of 100 (Notable)
Jennings	United States	Record daily precipitation	58.9 mm (2.3 in)	39 of 100 (Notable)
Grand Marais	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Goychay	Azerbaijan	Record daily precipitation	39.6 mm (1.6 in)	38 of 100 (Notable)
Bloomfield	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Bayfield 6 N	United States	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Mantova	Italy	Record daily precipitation	36.0 mm (1.4 in)	37 of 100 (Notable)
Dimbokro	Cote D'Ivoire	Record low maximum temperature	25.4 C (77.7 F)	37 of 100 (Notable)
Ashland Exp Farm	United States	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
San Francisco de Los Romo (Sm	Mexico	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Farmerville	United States	Record low maximum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
New Orleans D P S 5	United States	Record daily precipitation	73.7 mm (2.9 in)	36 of 100 (Notable)
Port Gibson 1 NE	United States	Record low maximum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Princeton	United States	Record low maximum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
New Orleans D P S 3	United States	Record daily precipitation	52.1 mm (2.1 in)	35 of 100 (Notable)
Danbury	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Mellen 4 NE	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Qabala	Azerbaijan	Record daily precipitation	53.3 mm (2.1 in)	34 of 100 (Routine)
Busselton Shire	Australia	Record daily precipitation	47.5 mm (1.9 in)	34 of 100 (Routine)
Castle Rock	United States	Record low minimum temperature	-7.8 C (18.0 F)	34 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record daily precipitation	57.7 mm (2.3 in)	34 of 100 (Routine)
O'Neill	United States	Record low maximum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Crockett	United States	Record daily precipitation	56.4 mm (2.2 in)	34 of 100 (Routine)
Koosharem	United States	Record low minimum temperature	-8.3 C (17.1 F)	34 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Waterdale	United States	Record low minimum temperature	-6.7 C (19.9 F)	33 of 100 (Routine)
Oaknolia 2N	United States	Record daily precipitation	79.5 mm (3.1 in)	33 of 100 (Routine)
Carrollton	United States	Record low maximum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Madeline Is	United States	Record daily precipitation	28.2 mm (1.1 in)	33 of 100 (Routine)
Centennial 1NE	United States	Record low minimum temperature	-10.6 C (12.9 F)	33 of 100 (Routine)
Houston Wb City	United States	Record low maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Fizuly	Azerbaijan	Record daily precipitation	28.1 mm (1.1 in)	32 of 100 (Routine)
Leroy 5 WSW	United States	Record low minimum temperature	-6.7 C (19.9 F)	32 of 100 (Routine)
Pocahontas	United States	Record low maximum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
De Quincy	United States	Record daily precipitation	102.1 mm (4.0 in)	32 of 100 (Routine)
Franklin 3 NW	United States	Record daily precipitation	45.0 mm (1.8 in)	32 of 100 (Routine)
New Orleans Jefferson	United States	Record daily precipitation	59.9 mm (2.4 in)	32 of 100 (Routine)
Standard	United States	Record daily precipitation	51.8 mm (2.0 in)	32 of 100 (Routine)
Witsieshoek	South Africa	Record daily precipitation	35.0 mm (1.4 in)	31 of 100 (Routine)
Alto 5 SW	United States	Record daily precipitation	43.7 mm (1.7 in)	31 of 100 (Routine)
Long Lake 5 SW	United States	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
New Orleans Audubon	United States	Record daily precipitation	47.8 mm (1.9 in)	31 of 100 (Routine)
Agdam	Azerbaijan	Record daily precipitation	34.8 mm (1.4 in)	30 of 100 (Routine)

Counts by Type and Timescale

655 records

Records set or tied on 11 October 1977 by type: Highest daily maximum 83, Lowest daily maximum 174, Highest daily minimum 59, Lowest daily minimum 170, Heaviest daily rainfall 149, Heaviest daily snowfall 18, Deepest snow cover 2.

Records on 11 October 1977 by type
Record type	Records
Highest daily maximum	83
Lowest daily maximum	174
Highest daily minimum	59
Lowest daily minimum	170
Heaviest daily rainfall	149
Heaviest daily snowfall	18
Deepest snow cover	2

Records on 11 October 1977 by timescale: all-time 1, monthly 9, daily 645.

How Much Records Were Beaten By

521 broken records

Margins by which the 521 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

11 October 1977

Top 20 records on 11 October 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 October 1977	Watersmeet, US	daily rain	48.3 mm (1.9 in)	28.0 mm (1.1 in)	62 years	60 of 100 (Major)
11 October 1977	Kurdamir, AZ	daily rain	54.4 mm (2.1 in)	47.7 mm (1.9 in)	36 years	55 of 100 (Notable)
11 October 1977	Shusha, AZ	daily rain	38.3 mm (1.5 in)	28.1 mm (1.1 in)	36 years	55 of 100 (Notable)
11 October 1977	Lachin, AZ	daily rain	39.3 mm (1.5 in)	24.2 mm (1.0 in)	39 years	49 of 100 (Notable)
11 October 1977	Ketchikan AP, US	all-time rain	221.2 mm (8.7 in)	16.2 mm (0.6 in)	57 years	49 of 100 (Notable)
11 October 1977	Tower 2S, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	80 years	48 of 100 (Notable)
11 October 1977	Khankandy, AZ	daily rain	28.1 mm (1.1 in)	19.6 mm (0.8 in)	39 years	46 of 100 (Notable)
11 October 1977	Rinconada, MX	daily rain	89.9 mm (3.5 in)	51.0 mm (2.0 in)	19 years	44 of 100 (Notable)
11 October 1977	O'Neill, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	83 years	43 of 100 (Notable)
11 October 1977	Pine Grove Fire Twr, US	daily rain	81.3 mm (3.2 in)	70.9 mm (2.8 in)	28 years	41 of 100 (Notable)
11 October 1977	Melbourne Regional Office, AU	daily high max	31.4 C (88.5 F)	0.3 C (0.5 F)	102 years	40 of 100 (Notable)
11 October 1977	Centerville, US	daily rain	41.9 mm (1.6 in)	8.9 mm (0.35 in)	83 years	40 of 100 (Notable)
11 October 1977	Sugartown, US	daily rain	57.2 mm (2.3 in)	31.0 mm (1.2 in)	76 years	40 of 100 (Notable)
11 October 1977	Brule Rs, US	daily rain	47.5 mm (1.9 in)	34.5 mm (1.4 in)	4 years	40 of 100 (Notable)
11 October 1977	Hayward Rs, US	daily snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	68 years	40 of 100 (Notable)
11 October 1977	Turocak, RU	daily rain	31.3 mm (1.2 in)	17.0 mm (0.7 in)	20 years	39 of 100 (Notable)
11 October 1977	Crowley 2 NE, US	daily rain	77.5 mm (3.1 in)	42.2 mm (1.7 in)	31 years	39 of 100 (Notable)
11 October 1977	Jennings, US	daily rain	58.9 mm (2.3 in)	17.2 mm (0.7 in)	77 years	39 of 100 (Notable)
11 October 1977	Grand Marais, US	daily rain	31.0 mm (1.2 in)	15.8 mm (0.6 in)	52 years	39 of 100 (Notable)
11 October 1977	Goychay, AZ	daily rain	39.6 mm (1.6 in)	24.4 mm (1.0 in)	20 years	38 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

1793 to 1977

Records set or tied on this calendar date in each year from 1793 to 1977. 1977 had 655 records.

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

Records on 10-11 in each year
Year	Records
1793	1
1801	1
1802	2
1803	1
1805	1
1807	1
1811	1
1814	2
1839	1
1845	1
1849	1
1851	1
1852	1
1854	1
1859	1
1860	4
1861	1
1864	2
1867	2
1869	1
1870	1
1872	2
1873	2
1875	1
1876	4
1877	3
1879	2
1880	2
1884	2
1885	5
1887	4
1888	2
1889	3
1890	1
1891	2
1892	2
1896	2
1897	4
1898	4
1900	1
1901	8
1902	14
1903	10
1904	20
1905	17
1906	52
1907	10
1908	11
1909	17
1910	31
1911	14
1912	21
1913	48
1914	40
1915	14
1916	25
1917	48
1918	32
1919	76
1920	140
1921	92
1922	35
1923	231
1924	149
1925	196
1926	137
1927	176
1928	713
1929	259
1930	656
1931	396
1932	235
1933	200
1934	862
1935	245
1936	243
1937	242
1938	438
1939	249
1940	201
1941	190
1942	537
1943	414
1944	247
1945	284
1946	770
1947	405
1948	736
1949	835
1950	450
1951	538
1952	472
1953	408
1954	672
1955	434
1956	894
1957	258
1958	795
1959	1,027
1960	333
1961	610
1962	857
1963	570
1964	927
1965	202
1966	279
1967	643
1968	312
1969	1,032
1970	859
1971	521
1972	708
1973	1,325
1974	356
1975	559
1976	565
1977	655
1978	426
1979	1,260
1980	478
1981	776
1982	1,141
1983	542
1984	552
1985	977
1986	961
1987	1,603
1988	621
1989	571
1990	1,617
1991	1,055
1992	527
1993	883
1994	726
1995	975
1996	842
1997	1,809
1998	750
1999	996
2000	1,782
2001	962
2002	1,000
2003	1,191
2004	593
2005	1,044
2006	840
2007	610
2008	1,369
2009	2,594
2010	964
2011	1,176
2012	696
2013	666
2014	620
2015	1,032
2016	378
2017	1,101
2018	1,517
2019	1,760
2020	680
2021	873
2022	244
2023	858
2024	842
2025	711
2026	1,015

Download the Data

Data for records on 1977-10-11: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 20	468
20 to 40	28
40 to 60	17
60 to 80	7
80 to 100	0
100 to 120	0
120 to 140	1