Weather Records on 6 October 1977

561 weather records were set or tied worldwide on 6 October 1977. Highest significance: Genoa, IT.

Key Facts for 6 October 1977

On 6 October 1977, 561 weather records were set or tied at long-record stations worldwide.
195 were record highs and 110 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 544 daily.
Genoa set a daily record precipitation of 228.0 mm (9.0 in) on 6 October 1977.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 451 records.

Record Map

561 stations

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

Weather records on 6 October 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Genoa	Italy	Record daily precipitation	228.0 mm (9.0 in)	66 of 100 (Major)
Deols Chateauroux Aerodrome de	France	Record daily precipitation	38.6 mm (1.5 in)	56 of 100 (Notable)
Nogales	United States	Record daily precipitation	41.4 mm (1.6 in)	53 of 100 (Notable)
Pilvo	Russia	Record daily precipitation	53.0 mm (2.1 in)	50 of 100 (Notable)
Tucson WFO	United States	Record daily precipitation	31.5 mm (1.2 in)	50 of 100 (Notable)
Sarna	Sweden	Record snow depth	21.0 cm (8.3 in)	49 of 100 (Notable)
Gran Quivira Natl Mon	United States	Record daily precipitation	37.1 mm (1.5 in)	49 of 100 (Notable)
Saint-Germain-Les-Belles	France	Record daily precipitation	69.2 mm (2.7 in)	47 of 100 (Notable)
Sedona	United States	Record daily precipitation	45.5 mm (1.8 in)	44 of 100 (Notable)
Duved	Sweden	Record snow depth	10.0 cm (3.9 in)	43 of 100 (Notable)
Loa	United States	Record high minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Snowflake	United States	Record daily precipitation	29.7 mm (1.2 in)	40 of 100 (Notable)
Quambone (Sandy Camp)	Australia	Record daily precipitation	32.1 mm (1.3 in)	39 of 100 (Notable)
Tumacacori Nm	United States	Record daily precipitation	41.4 mm (1.6 in)	39 of 100 (Notable)
Dyer 5S	United States	Record high minimum temperature	13.3 C (55.9 F)	38 of 100 (Notable)
Montezuma Castle Nm	United States	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Coroaci	Brazil	Record daily precipitation	51.4 mm (2.0 in)	36 of 100 (Notable)
Cocos	Brazil	Record daily precipitation	38.6 mm (1.5 in)	36 of 100 (Notable)
Espanola	United States	Record high minimum temperature	14.4 C (57.9 F)	36 of 100 (Notable)
Fort Huachuca	United States	Record daily precipitation	33.5 mm (1.3 in)	36 of 100 (Notable)
Itumirim	Brazil	Record daily precipitation	43.4 mm (1.7 in)	35 of 100 (Notable)
Krasnyj Jar	Russia	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Waterford (Tycor)	Ireland	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Socorro	United States	Record daily precipitation	39.4 mm (1.6 in)	34 of 100 (Routine)
Tivjaku	Russia	Record daily precipitation	27.0 mm (1.1 in)	33 of 100 (Routine)
Timovskoe	Russia	Record daily precipitation	26.8 mm (1.1 in)	33 of 100 (Routine)
Panguitch	United States	Record high minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Benedito Novo	Brazil	Record daily precipitation	68.0 mm (2.7 in)	32 of 100 (Routine)
Verhojansk	Russia	Record low minimum temperature	-27.0 C (-16.6 F)	32 of 100 (Routine)
N Lazy H Rch	United States	Record daily precipitation	30.7 mm (1.2 in)	32 of 100 (Routine)
San Francisco de Los Romo (Sm	Mexico	Record high maximum temperature	36.7 C (98.1 F)	31 of 100 (Routine)
Catemaco	Mexico	Record low minimum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Myskelasen_D	Sweden	Record snow depth	18.0 cm (7.1 in)	31 of 100 (Routine)
Arhangelsk	Russia	Record low minimum temperature	-11.5 C (11.3 F)	30 of 100 (Routine)
Junipine	United States	Record daily precipitation	46.2 mm (1.8 in)	30 of 100 (Routine)
Warren (Frawley St)	Australia	Record daily precipitation	25.8 mm (1.0 in)	29 of 100 (Routine)
Vila Carmem	Brazil	Record daily precipitation	71.9 mm (2.8 in)	29 of 100 (Routine)
Ilhabela	Brazil	Record daily precipitation	54.6 mm (2.1 in)	29 of 100 (Routine)
Catus	France	Record daily precipitation	27.1 mm (1.1 in)	29 of 100 (Routine)
Sovetskaja Gavan	Russia	Record daily precipitation	41.1 mm (1.6 in)	29 of 100 (Routine)
Prescott	United States	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Vernal	United States	Record high minimum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Fada N'Gourma	Burkina Faso	Record daily precipitation	31.7 mm (1.2 in)	29 of 100 (Routine)
Ponte Do Licinio	Brazil	Record daily precipitation	42.1 mm (1.7 in)	28 of 100 (Routine)
Santa Rosalia (Dge)	Mexico	Record daily precipitation	29.0 mm (1.1 in)	28 of 100 (Routine)
Zinder	Niger	Record high minimum temperature	27.2 C (81.0 F)	28 of 100 (Routine)
Montrose #2	United States	Record high minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Rifle	United States	Record high minimum temperature	10.0 C (50.0 F)	28 of 100 (Routine)
Russell Springs	United States	Record low maximum temperature	10.0 C (50.0 F)	28 of 100 (Routine)
Vermelho Velho	Brazil	Record daily precipitation	42.8 mm (1.7 in)	27 of 100 (Routine)
Atil	Mexico	Record daily precipitation	34.8 mm (1.4 in)	27 of 100 (Routine)
Patagonia #2	United States	Record daily precipitation	67.6 mm (2.7 in)	27 of 100 (Routine)
Millen 4 N	United States	Record low minimum temperature	3.9 C (39.0 F)	27 of 100 (Routine)
Desert Nwr	United States	Record high minimum temperature	22.2 C (72.0 F)	27 of 100 (Routine)
Glenbrook	United States	Record low minimum temperature	-2.8 C (27.0 F)	27 of 100 (Routine)
Goodwell Rsch STN	United States	Record low maximum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Atilio Vivacqua	Brazil	Record daily precipitation	40.0 mm (1.6 in)	26 of 100 (Routine)
Y Lightning Rch	United States	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Elsinore	United States	Record high minimum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Blanding	United States	Record high minimum temperature	11.1 C (52.0 F)	26 of 100 (Routine)

Counts by Type and Timescale

561 records

Records set or tied on 6 October 1977 by type: Highest daily maximum 73, Lowest daily maximum 66, Highest daily minimum 122, Lowest daily minimum 44, Heaviest daily rainfall 248, Heaviest daily snowfall 1, Deepest snow cover 7.

Records on 6 October 1977 by type
Record type	Records
Highest daily maximum	73
Lowest daily maximum	66
Highest daily minimum	122
Lowest daily minimum	44
Heaviest daily rainfall	248
Heaviest daily snowfall	1
Deepest snow cover	7

Records on 6 October 1977 by timescale: all-time 0, monthly 17, daily 544.

How Much Records Were Beaten By

481 broken records

Margins by which the 481 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 210.0. Ties are not counted.

Top 20 by Significance

6 October 1977

Top 20 records on 6 October 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 October 1977	Genoa, IT	daily rain	228.0 mm (9.0 in)	80.5 mm (3.2 in)	84 years	66 of 100 (Major)
6 October 1977	Deols Chateauroux Aerodrome de, FR	daily rain	38.6 mm (1.5 in)	20.1 mm (0.8 in)	51 years	56 of 100 (Notable)
6 October 1977	Nogales, US	daily rain	41.4 mm (1.6 in)	33.0 mm (1.3 in)	19 years	53 of 100 (Notable)
6 October 1977	Pilvo, RU	daily rain	53.0 mm (2.1 in)	33.9 mm (1.3 in)	23 years	50 of 100 (Notable)
6 October 1977	Tucson WFO, US	daily rain	31.5 mm (1.2 in)	23.9 mm (0.9 in)	35 years	50 of 100 (Notable)
6 October 1977	Sarna, SE	daily snow depth	21.0 cm (8.3 in)	21.0 cm (8.3 in)	46 years	49 of 100 (Notable)
6 October 1977	Gran Quivira Natl Mon, US	daily rain	37.1 mm (1.5 in)	20.8 mm (0.8 in)	44 years	49 of 100 (Notable)
6 October 1977	Saint-Germain-Les-Belles, FR	daily rain	69.2 mm (2.7 in)	39.2 mm (1.5 in)	7 years	47 of 100 (Notable)
6 October 1977	Sedona, US	daily rain	45.5 mm (1.8 in)	42.2 mm (1.7 in)	4 years	44 of 100 (Notable)
6 October 1977	Duved, SE	daily snow depth	10.0 cm (3.9 in)	10.0 cm (3.9 in)	40 years	43 of 100 (Notable)
6 October 1977	Loa, US	monthly high min	10.0 C (50.0 F)	0.6 C (1.1 F)	74 years	41 of 100 (Notable)
6 October 1977	Snowflake, US	daily rain	29.7 mm (1.2 in)	11.9 mm (0.5 in)	66 years	40 of 100 (Notable)
6 October 1977	Quambone (Sandy Camp), AU	daily rain	32.1 mm (1.3 in)	23.2 mm (0.9 in)	19 years	39 of 100 (Notable)
6 October 1977	Tumacacori Nm, US	daily rain	41.4 mm (1.6 in)	33.8 mm (1.3 in)	4 years	39 of 100 (Notable)
6 October 1977	Dyer 5S, US	monthly high min	13.3 C (55.9 F)	0.5 C (0.9 F)	67 years	38 of 100 (Notable)
6 October 1977	Montezuma Castle Nm, US	daily rain	31.0 mm (1.2 in)	24.1 mm (0.9 in)	19 years	37 of 100 (Notable)
6 October 1977	Coroaci, BR	daily rain	51.4 mm (2.0 in)	37.1 mm (1.5 in)	34 years	36 of 100 (Notable)
6 October 1977	Cocos, BR	daily rain	38.6 mm (1.5 in)	34.6 mm (1.4 in)	26 years	36 of 100 (Notable)
6 October 1977	Espanola, US	daily high min	14.4 C (57.9 F)	4.4 C (7.9 F)	60 years	36 of 100 (Notable)
6 October 1977	Fort Huachuca, US	daily rain	33.5 mm (1.3 in)	24.6 mm (1.0 in)	3 years	36 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

1802 to 1977

Records set or tied on this calendar date in each year from 1802 to 1977. 1977 had 561 records.

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

Records on 10-06 in each year
Year	Records
1802	1
1814	1
1817	1
1840	1
1843	1
1844	1
1845	1
1848	1
1853	2
1854	3
1857	1
1859	1
1860	1
1863	1
1864	7
1865	1
1867	3
1868	1
1874	1
1875	2
1876	3
1877	1
1878	1
1879	2
1880	3
1881	1
1882	1
1883	1
1885	5
1887	1
1888	3
1889	6
1892	3
1893	1
1894	1
1896	4
1897	6
1898	1
1899	3
1900	14
1901	8
1902	10
1903	14
1904	13
1905	10
1906	20
1907	14
1908	17
1909	17
1910	60
1911	14
1912	46
1913	28
1914	7
1915	17
1916	69
1917	95
1918	45
1919	51
1920	104
1921	46
1922	45
1923	136
1924	263
1925	208
1926	219
1927	175
1928	149
1929	155
1930	574
1931	470
1932	905
1933	183
1934	259
1935	1,055
1936	275
1937	413
1938	319
1939	702
1940	225
1941	1,148
1942	198
1943	485
1944	219
1945	202
1946	678
1947	584
1948	342
1949	548
1950	340
1951	537
1952	1,414
1953	355
1954	663
1955	629
1956	449
1957	488
1958	707
1959	560
1960	545
1961	469
1962	433
1963	693
1964	1,138
1965	1,143
1966	351
1967	383
1968	578
1969	377
1970	711
1971	514
1972	458
1973	311
1974	922
1975	673
1976	841
1977	561
1978	376
1979	1,002
1980	1,259
1981	748
1982	1,058
1983	743
1984	769
1985	720
1986	647
1987	838
1988	964
1989	470
1990	953
1991	1,045
1992	675
1993	1,056
1994	1,201
1995	1,392
1996	843
1997	1,013
1998	1,638
1999	914
2000	1,773
2001	988
2002	694
2003	817
2004	582
2005	1,414
2006	1,030
2007	2,337
2008	644
2009	1,722
2010	995
2011	1,582
2012	1,133
2013	797
2014	428
2015	567
2016	473
2017	489
2018	968
2019	533
2020	1,072
2021	665
2022	654
2023	650
2024	1,025
2025	486
2026	900

Download the Data

Data for records on 1977-10-06: 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 50	477
50 to 100	1
100 to 150	2
150 to 200	0
200 to 250	1