Weather Records on 6 July 1977

848 weather records were set or tied worldwide on 6 July 1977. Highest significance: Toronto, CA.

Key Facts for 6 July 1977

On 6 July 1977, 848 weather records were set or tied at long-record stations worldwide.
554 were record highs and 133 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 19 monthly and 821 daily.
Toronto set a daily record precipitation of 53.6 mm (2.1 in) on 6 July 1977.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 436 records.

Record Map

848 stations

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

Weather records on 6 July 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Toronto	Canada	Record daily precipitation	53.6 mm (2.1 in)	70 of 100 (Major)
Lockport 2SE	United States	Record daily precipitation	58.9 mm (2.3 in)	58 of 100 (Notable)
Lazdijai	Lithuania	Record daily precipitation	39.1 mm (1.5 in)	56 of 100 (Notable)
Hillsboro	United States	Record high minimum temperature	26.7 C (80.1 F)	55 of 100 (Notable)
Pte de Chassiron	France	Record daily precipitation	35.5 mm (1.4 in)	54 of 100 (Notable)
Itapicuru	Brazil	Record daily precipitation	52.6 mm (2.1 in)	49 of 100 (Notable)
Niznij Novgorod	Russia	Record daily precipitation	51.6 mm (2.0 in)	48 of 100 (Notable)
Irara	Brazil	Record daily precipitation	29.8 mm (1.2 in)	47 of 100 (Notable)
Bordeaux-Merignac	France	Record daily precipitation	44.2 mm (1.7 in)	47 of 100 (Notable)
Port Dover	Canada	Record daily precipitation	67.0 mm (2.6 in)	44 of 100 (Notable)
Guanacevi (Smn)	Mexico	Record daily precipitation	63.5 mm (2.5 in)	44 of 100 (Notable)
Im. Poliny Osipenko	Russia	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Bairro Do Pinheiro	Brazil	Record daily precipitation	54.2 mm (2.1 in)	43 of 100 (Notable)
Port Stanley	Canada	Record daily precipitation	32.6 mm (1.3 in)	43 of 100 (Notable)
Ralph 1 N	United States	Record daily precipitation	38.9 mm (1.5 in)	43 of 100 (Notable)
Redig 11 NE	United States	Record daily precipitation	41.4 mm (1.6 in)	43 of 100 (Notable)
Ft Lauderdale	United States	Record daily precipitation	53.8 mm (2.1 in)	42 of 100 (Notable)
Flin Flon	Canada	Record daily precipitation	44.2 mm (1.7 in)	41 of 100 (Notable)
Chilton	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
A Coruna	Spain	Record daily precipitation	29.6 mm (1.2 in)	40 of 100 (Notable)
Edmonton City Centre A	Canada	Record daily precipitation	39.2 mm (1.5 in)	39 of 100 (Notable)
Toledo Blade	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Panelas	Brazil	Record daily precipitation	45.0 mm (1.8 in)	38 of 100 (Notable)
Bancroft	Canada	Record low maximum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Kaunas	Lithuania	Record daily precipitation	36.3 mm (1.4 in)	38 of 100 (Notable)
Caledonia	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Bedford	United States	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Acude Santo Antonio de Russas	Brazil	Record daily precipitation	39.5 mm (1.6 in)	37 of 100 (Notable)
Warrenton 3 SE	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Mannington 1 N	United States	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Ukmerge	Lithuania	Record daily precipitation	31.7 mm (1.2 in)	36 of 100 (Notable)
Coimbra	Portugal	Record low maximum temperature	16.8 C (62.2 F)	36 of 100 (Notable)
Vitoria Aerodromo	Spain	Record daily precipitation	26.9 mm (1.1 in)	36 of 100 (Notable)
Maricopa	United States	Record low minimum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Vanceburg	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Frederick Police Brks	United States	Record high minimum temperature	25.6 C (78.1 F)	36 of 100 (Notable)
Culpeper	United States	Record high maximum temperature	40.0 C (104.0 F)	36 of 100 (Notable)
Manitowoc	United States	Record high maximum temperature	36.7 C (98.1 F)	36 of 100 (Notable)
Neillsville 3ESE	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Wiarton A	Canada	Record daily precipitation	42.0 mm (1.7 in)	35 of 100 (Notable)
Angel Albino Corzo	Mexico	Record daily precipitation	108.5 mm (4.3 in)	35 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Elkader 6 SSW	United States	Record high minimum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Kalamazoo State Hospital	United States	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Chambersburg 1 ESE	United States	Record high minimum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Woodstock 2 NE	United States	Record high minimum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Lake Mills Wwtp	United States	Record high minimum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Shawano 2SSW	United States	Record high minimum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Watertown Wwtp	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Selma	United States	Record high minimum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Mattoon	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
New Hampton	United States	Record high minimum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Hagerstown	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Winnibigoshish Dam	United States	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Sidney 2 N	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Vancouver 4 NNE	United States	Record low minimum temperature	3.9 C (39.0 F)	34 of 100 (Routine)
Medford	United States	Record high minimum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Sault Ste Marie Sanderson Fld	United States	Record daily precipitation	39.1 mm (1.5 in)	34 of 100 (Routine)
Spokane Intl AP	United States	Record low minimum temperature	5.0 C (41.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

848 records

Records set or tied on 6 July 1977 by type: Highest daily maximum 228, Lowest daily maximum 52, Highest daily minimum 326, Lowest daily minimum 81, Heaviest daily rainfall 161.

Records on 6 July 1977 by type
Record type	Records
Highest daily maximum	228
Lowest daily maximum	52
Highest daily minimum	326
Lowest daily minimum	81
Heaviest daily rainfall	161
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 6 July 1977 by timescale: all-time 8, monthly 19, daily 821.

How Much Records Were Beaten By

614 broken records

Margins by which the 614 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.2. Ties are not counted.

Top 20 by Significance

6 July 1977

Top 20 records on 6 July 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 July 1977	Toronto, CA	daily rain	53.6 mm (2.1 in)	30.5 mm (1.2 in)	101 years	70 of 100 (Major)
6 July 1977	Lockport 2SE, US	daily rain	58.9 mm (2.3 in)	36.8 mm (1.4 in)	54 years	58 of 100 (Notable)
6 July 1977	Lazdijai, LT	daily rain	39.1 mm (1.5 in)	32.7 mm (1.3 in)	40 years	56 of 100 (Notable)
6 July 1977	Hillsboro, US	all-time high min	26.7 C (80.1 F)	1.1 C (2.0 F)	80 years	55 of 100 (Notable)
6 July 1977	Pte de Chassiron, FR	daily rain	35.5 mm (1.4 in)	27.5 mm (1.1 in)	16 years	54 of 100 (Notable)
6 July 1977	Itapicuru, BR	daily rain	52.6 mm (2.1 in)	31.4 mm (1.2 in)	20 years	49 of 100 (Notable)
6 July 1977	Niznij Novgorod, RU	daily rain	51.6 mm (2.0 in)	17.9 mm (0.7 in)	47 years	48 of 100 (Notable)
6 July 1977	Irara, BR	daily rain	29.8 mm (1.2 in)	21.8 mm (0.9 in)	4 years	47 of 100 (Notable)
6 July 1977	Bordeaux-Merignac, FR	daily rain	44.2 mm (1.7 in)	14.2 mm (0.6 in)	64 years	47 of 100 (Notable)
6 July 1977	Port Dover, CA	daily rain	67.0 mm (2.6 in)	23.1 mm (0.9 in)	46 years	44 of 100 (Notable)
6 July 1977	Guanacevi (Smn), MX	daily rain	63.5 mm (2.5 in)	21.8 mm (0.9 in)	44 years	44 of 100 (Notable)
6 July 1977	Im. Poliny Osipenko, RU	daily rain	61.0 mm (2.4 in)	32.1 mm (1.3 in)	24 years	44 of 100 (Notable)
6 July 1977	Bairro Do Pinheiro, BR	daily rain	54.2 mm (2.1 in)	34.9 mm (1.4 in)	22 years	43 of 100 (Notable)
6 July 1977	Port Stanley, CA	daily rain	32.6 mm (1.3 in)	6.4 mm (0.25 in)	91 years	43 of 100 (Notable)
6 July 1977	Ralph 1 N, US	daily rain	38.9 mm (1.5 in)	32.3 mm (1.3 in)	6 years	43 of 100 (Notable)
6 July 1977	Redig 11 NE, US	daily rain	41.4 mm (1.6 in)	22.1 mm (0.9 in)	31 years	43 of 100 (Notable)
6 July 1977	Ft Lauderdale, US	daily rain	53.8 mm (2.1 in)	32.5 mm (1.3 in)	44 years	42 of 100 (Notable)
6 July 1977	Flin Flon, CA	daily rain	44.2 mm (1.7 in)	20.1 mm (0.8 in)	50 years	41 of 100 (Notable)
6 July 1977	Chilton, US	daily high min	25.6 C (78.1 F)	5.0 C (9.0 F)	68 years	41 of 100 (Notable)
6 July 1977	A Coruna, ES	daily rain	29.6 mm (1.2 in)	15.9 mm (0.6 in)	32 years	40 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 848 records.

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

Records on 07-06 in each year
Year	Records
1793	1
1795	1
1812	1
1813	1
1819	1
1821	1
1828	3
1839	1
1845	1
1848	1
1856	1
1859	1
1860	1
1863	1
1864	2
1865	1
1868	2
1874	1
1875	3
1876	1
1877	1
1878	3
1879	3
1881	4
1883	1
1885	1
1887	2
1889	1
1890	7
1892	1
1893	2
1894	4
1895	3
1896	3
1897	1
1898	5
1899	5
1900	12
1901	7
1902	6
1903	2
1904	4
1905	8
1906	16
1907	9
1908	22
1909	22
1910	31
1911	45
1912	32
1913	18
1914	50
1915	83
1916	38
1917	26
1918	28
1919	36
1920	36
1921	80
1922	159
1923	177
1924	163
1925	160
1926	133
1927	255
1928	231
1929	106
1930	285
1931	489
1932	470
1933	310
1934	400
1935	222
1936	683
1937	385
1938	269
1939	425
1940	437
1941	337
1942	543
1943	349
1944	320
1945	337
1946	172
1947	506
1948	698
1949	405
1950	541
1951	623
1952	456
1953	656
1954	494
1955	388
1956	722
1957	359
1958	717
1959	285
1960	687
1961	501
1962	434
1963	350
1964	579
1965	442
1966	319
1967	684
1968	739
1969	786
1970	497
1971	412
1972	1,368
1973	1,196
1974	456
1975	743
1976	595
1977	848
1978	1,072
1979	1,092
1980	587
1981	1,016
1982	803
1983	1,002
1984	782
1985	874
1986	870
1987	636
1988	2,036
1989	838
1990	854
1991	888
1992	936
1993	1,419
1994	1,345
1995	779
1996	1,034
1997	792
1998	1,238
1999	1,603
2000	753
2001	1,020
2002	650
2003	723
2004	903
2005	927
2006	1,122
2007	1,303
2008	937
2009	935
2010	1,199
2011	617
2012	1,398
2013	607
2014	494
2015	1,160
2016	778
2017	808
2018	714
2019	523
2020	380
2021	746
2022	890
2023	548
2024	1,185
2025	619
2026	517

Download the Data

Data for records on 1977-07-06: 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	558
10 to 20	32
20 to 30	14
30 to 40	9
40 to 50	0
50 to 60	1