Weather Records on 27 July 1977

878 weather records were set or tied worldwide on 27 July 1977. Highest significance: Cape Bruny Lighthouse, AU.

Key Facts for 27 July 1977

On 27 July 1977, 878 weather records were set or tied at long-record stations worldwide.
101 were record highs and 559 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 865 daily.
Cape Bruny Lighthouse set a daily record precipitation of 38.8 mm (1.5 in) on 27 July 1977.
Across 162 earlier years (1805 to 2026) the same calendar date averaged 450 records.

Record Map

878 stations

878 station records on 27 July 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 July 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape Bruny Lighthouse	Australia	Record daily precipitation	38.8 mm (1.5 in)	70 of 100 (Major)
Midwest	United States	Record daily precipitation	65.8 mm (2.6 in)	56 of 100 (Notable)
Manderson 3 NE	United States	Record daily precipitation	61.2 mm (2.4 in)	51 of 100 (Notable)
Wildrose 3NW	United States	Record daily precipitation	43.7 mm (1.7 in)	49 of 100 (Notable)
Brockton	United States	Record low minimum temperature	5.6 C (42.1 F)	47 of 100 (Notable)
Rubcovsk	Russia	Record daily precipitation	43.5 mm (1.7 in)	45 of 100 (Notable)
Wagoner	United States	Record daily precipitation	106.7 mm (4.2 in)	45 of 100 (Notable)
Lake Arthur 7 SW	United States	Record daily precipitation	78.7 mm (3.1 in)	44 of 100 (Notable)
San Felipe	Mexico	Record low minimum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Pryor	United States	Record daily precipitation	108.5 mm (4.3 in)	43 of 100 (Notable)
Les Cedres	Canada	Record low minimum temperature	3.9 C (39.0 F)	42 of 100 (Notable)
Encantado	Brazil	Record daily precipitation	70.2 mm (2.8 in)	41 of 100 (Notable)
Cambridge Galt Moe	Canada	Record low minimum temperature	7.5 C (45.5 F)	40 of 100 (Notable)
Benton Harbor AP	United States	Record low minimum temperature	8.3 C (46.9 F)	40 of 100 (Notable)
Old Forge	United States	Record low minimum temperature	-1.1 C (30.0 F)	40 of 100 (Notable)
Perth Regional Office	Australia	Record high maximum temperature	23.4 C (74.1 F)	39 of 100 (Notable)
Durham	Canada	Record low minimum temperature	3.9 C (39.0 F)	39 of 100 (Notable)
Elizabethtown	United States	Record daily precipitation	83.8 mm (3.3 in)	39 of 100 (Notable)
Bishopville 1.4 ENE	United States	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
Shepherds Flat	Australia	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
Le Grand	United States	Record low minimum temperature	8.3 C (46.9 F)	38 of 100 (Notable)
Fernandina Beach	United States	Record daily precipitation	81.0 mm (3.2 in)	38 of 100 (Notable)
Kinston 7 SE	United States	Record low maximum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Beatrice	Canada	Record low minimum temperature	3.0 C (37.4 F)	37 of 100 (Notable)
Teberda	Russia	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Odell 2 N	United States	Record daily precipitation	76.2 mm (3.0 in)	37 of 100 (Notable)
Belleville	Canada	Record low minimum temperature	8.0 C (46.4 F)	36 of 100 (Notable)
Plymouth-Kingston	United States	Record low minimum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
Arcade	United States	Record low minimum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Franklinville	United States	Record low minimum temperature	3.3 C (37.9 F)	36 of 100 (Notable)
Elk City 4 W	United States	Record daily precipitation	35.3 mm (1.4 in)	36 of 100 (Notable)
Effingham	United States	Record daily precipitation	93.2 mm (3.7 in)	36 of 100 (Notable)
Florence 8 NE	United States	Record daily precipitation	94.0 mm (3.7 in)	36 of 100 (Notable)
Custer	United States	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Jordan Dam	United States	Record daily precipitation	59.4 mm (2.3 in)	35 of 100 (Notable)
Ludington 4 SE	United States	Record low minimum temperature	6.7 C (44.1 F)	35 of 100 (Notable)
Mtn Grove 2 N	United States	Record low maximum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Seligman	United States	Record low maximum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Cornwall	United States	Record low minimum temperature	5.6 C (42.1 F)	35 of 100 (Notable)
Los Gatos	United States	Record low minimum temperature	6.7 C (44.1 F)	34 of 100 (Routine)
Fitchburg 4 SE	United States	Record low minimum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Gaylord	United States	Record low minimum temperature	3.3 C (37.9 F)	34 of 100 (Routine)
Maryville 2E	United States	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Peterboro 2 S	United States	Record low minimum temperature	4.4 C (39.9 F)	34 of 100 (Routine)
Loris 2 S	United States	Record daily precipitation	71.4 mm (2.8 in)	34 of 100 (Routine)
Wandering Comparison	Australia	Record high maximum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Moe Gippsland Water	Australia	Record daily precipitation	27.6 mm (1.1 in)	33 of 100 (Routine)
Baldwin	United States	Record low minimum temperature	2.2 C (36.0 F)	33 of 100 (Routine)
Hart 3 WSW	United States	Record low minimum temperature	6.7 C (44.1 F)	33 of 100 (Routine)
Owosso Wwtp	United States	Record low minimum temperature	6.1 C (43.0 F)	33 of 100 (Routine)
Aurora	United States	Record low maximum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Brockport	United States	Record low minimum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Bravo	United States	Record daily precipitation	35.8 mm (1.4 in)	33 of 100 (Routine)
Bridgetown Comparison	Australia	Record high maximum temperature	21.3 C (70.3 F)	32 of 100 (Routine)
Barrage Temiscamingue	Canada	Record low minimum temperature	7.2 C (45.0 F)	32 of 100 (Routine)
Oolitic Purdue Ex Fm	United States	Record low maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Bloomingdale	United States	Record low minimum temperature	6.1 C (43.0 F)	32 of 100 (Routine)
Addison	United States	Record low minimum temperature	2.8 C (37.0 F)	32 of 100 (Routine)
Webbers Falls 5 WSW	United States	Record daily precipitation	60.5 mm (2.4 in)	32 of 100 (Routine)
Greenville 2 NE	United States	Record low minimum temperature	3.9 C (39.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

878 records

Records set or tied on 27 July 1977 by type: Highest daily maximum 49, Lowest daily maximum 227, Highest daily minimum 52, Lowest daily minimum 332, Heaviest daily rainfall 218.

Records on 27 July 1977 by type
Record type	Records
Highest daily maximum	49
Lowest daily maximum	227
Highest daily minimum	52
Lowest daily minimum	332
Heaviest daily rainfall	218
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 July 1977 by timescale: all-time 0, monthly 13, daily 865.

How Much Records Were Beaten By

672 broken records

Margins by which the 672 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.0. Ties are not counted.

Top 20 by Significance

27 July 1977

Top 20 records on 27 July 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 July 1977	Cape Bruny Lighthouse, AU	daily rain	38.8 mm (1.5 in)	19.7 mm (0.8 in)	78 years	70 of 100 (Major)
27 July 1977	Midwest, US	monthly rain	65.8 mm (2.6 in)	24.9 mm (1.0 in)	16 years	56 of 100 (Notable)
27 July 1977	Manderson 3 NE, US	daily rain	61.2 mm (2.4 in)	49.5 mm (1.9 in)	14 years	51 of 100 (Notable)
27 July 1977	Wildrose 3NW, US	daily rain	43.7 mm (1.7 in)	31.5 mm (1.2 in)	20 years	49 of 100 (Notable)
27 July 1977	Brockton, US	daily low min	5.6 C (42.1 F)	6.1 C (11.0 F)	72 years	47 of 100 (Notable)
27 July 1977	Rubcovsk, RU	daily rain	43.5 mm (1.7 in)	30.6 mm (1.2 in)	4 years	45 of 100 (Notable)
27 July 1977	Wagoner, US	daily rain	106.7 mm (4.2 in)	60.5 mm (2.4 in)	26 years	45 of 100 (Notable)
27 July 1977	Lake Arthur 7 SW, US	daily rain	78.7 mm (3.1 in)	33.7 mm (1.3 in)	72 years	44 of 100 (Notable)
27 July 1977	San Felipe, MX	daily low min	10.6 C (51.1 F)	7.2 C (13.0 F)	22 years	43 of 100 (Notable)
27 July 1977	Pryor, US	daily rain	108.5 mm (4.3 in)	42.0 mm (1.7 in)	44 years	43 of 100 (Notable)
27 July 1977	Les Cedres, CA	daily low min	3.9 C (39.0 F)	6.1 C (11.0 F)	63 years	42 of 100 (Notable)
27 July 1977	Encantado, BR	daily rain	70.2 mm (2.8 in)	52.0 mm (2.0 in)	11 years	41 of 100 (Notable)
27 July 1977	Cambridge Galt Moe, CA	daily low min	7.5 C (45.5 F)	1.9 C (3.4 F)	91 years	40 of 100 (Notable)
27 July 1977	Benton Harbor AP, US	daily low min	8.3 C (46.9 F)	2.8 C (5.0 F)	83 years	40 of 100 (Notable)
27 July 1977	Old Forge, US	monthly low min	-1.1 C (30.0 F)	1.7 C (3.1 F)	65 years	40 of 100 (Notable)
27 July 1977	Perth Regional Office, AU	daily high max	23.4 C (74.1 F)	1.7 C (3.1 F)	77 years	39 of 100 (Notable)
27 July 1977	Durham, CA	daily low min	3.9 C (39.0 F)	2.2 C (4.0 F)	85 years	39 of 100 (Notable)
27 July 1977	Elizabethtown, US	daily rain	83.8 mm (3.3 in)	26.6 mm (1.0 in)	51 years	39 of 100 (Notable)
27 July 1977	Bishopville 1.4 ENE, US	daily rain	72.4 mm (2.9 in)	45.0 mm (1.8 in)	19 years	39 of 100 (Notable)
27 July 1977	Shepherds Flat, AU	daily rain	50.0 mm (2.0 in)	21.3 mm (0.8 in)	12 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

1805 to 1977

Records set or tied on this calendar date in each year from 1805 to 1977. 1977 had 878 records.

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

Records on 07-27 in each year
Year	Records
1805	1
1815	2
1820	1
1832	2
1847	1
1852	1
1856	2
1857	2
1862	1
1863	1
1867	2
1868	4
1870	1
1871	1
1872	2
1873	1
1875	1
1876	2
1877	2
1881	2
1882	1
1883	5
1884	2
1886	1
1887	3
1888	3
1889	4
1890	5
1891	1
1893	2
1894	1
1895	2
1896	1
1897	5
1898	2
1899	4
1900	5
1901	11
1902	4
1903	13
1904	13
1905	7
1906	16
1907	14
1908	17
1909	18
1910	7
1911	51
1912	89
1913	43
1914	44
1915	31
1916	143
1917	46
1918	103
1919	86
1920	67
1921	123
1922	95
1923	142
1924	71
1925	234
1926	131
1927	69
1928	222
1929	177
1930	786
1931	429
1932	172
1933	414
1934	471
1935	289
1936	971
1937	407
1938	287
1939	284
1940	632
1941	457
1942	258
1943	326
1944	398
1945	337
1946	680
1947	389
1948	485
1949	418
1950	797
1951	207
1952	476
1953	248
1954	294
1955	521
1956	325
1957	372
1958	491
1959	395
1960	385
1961	277
1962	1,009
1963	584
1964	335
1965	434
1966	594
1967	559
1968	391
1969	588
1970	379
1971	1,083
1972	790
1973	751
1974	403
1975	588
1976	426
1977	878
1978	583
1979	749
1980	760
1981	1,233
1982	584
1983	1,455
1984	1,613
1985	571
1986	836
1987	1,108
1988	936
1989	1,103
1990	846
1991	763
1992	791
1993	1,317
1994	1,851
1995	1,192
1996	950
1997	1,173
1998	1,363
1999	820
2000	1,019
2001	1,265
2002	816
2003	1,064
2004	1,552
2005	1,743
2006	1,321
2007	904
2008	784
2009	829
2010	1,330
2011	1,007
2012	823
2013	1,110
2014	591
2015	744
2016	564
2017	460
2018	737
2019	597
2020	842
2021	1,131
2022	855
2023	826
2024	646
2025	853
2026	1,170

Download the Data

Data for records on 1977-07-27: 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	609
10 to 20	33
20 to 30	11
30 to 40	10
40 to 50	6
50 to 60	1
60 to 70	2