Weather Records on 7 August 1977

617 weather records were set or tied worldwide on 7 August 1977. Highest significance: Kokomo 3 WSW, US.

Key Facts for 7 August 1977

On 7 August 1977, 617 weather records were set or tied at long-record stations worldwide.
262 were record highs and 157 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 598 daily.
Kokomo 3 WSW set a daily record precipitation of 78.7 mm (3.1 in) on 7 August 1977.
Across 163 earlier years (1808 to 2026) the same calendar date averaged 470 records.

Record Map

617 stations

617 station records on 7 August 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 August 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kokomo 3 WSW	United States	Record daily precipitation	78.7 mm (3.1 in)	68 of 100 (Major)
Albia 3 NNE	United States	Record daily precipitation	146.3 mm (5.8 in)	61 of 100 (Major)
Aledo	United States	Record daily precipitation	70.6 mm (2.8 in)	59 of 100 (Notable)
Three Rivers	United States	Record daily precipitation	71.9 mm (2.8 in)	59 of 100 (Notable)
Geisenheim	Germany	Record daily precipitation	44.6 mm (1.8 in)	58 of 100 (Notable)
Bauple	Australia	Record daily precipitation	34.0 mm (1.3 in)	55 of 100 (Notable)
Arhangelsk	Russia	Record daily precipitation	30.2 mm (1.2 in)	55 of 100 (Notable)
Theebine	Australia	Record daily precipitation	25.0 mm (1.0 in)	54 of 100 (Notable)
Galesburg	United States	Record daily precipitation	73.7 mm (2.9 in)	52 of 100 (Notable)
Coldwater St School	United States	Record daily precipitation	44.2 mm (1.7 in)	49 of 100 (Notable)
Kuringup	Australia	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Hoofddorp	Netherlands	Record daily precipitation	27.6 mm (1.1 in)	46 of 100 (Notable)
Erofej Pavlovic	Russia	Record daily precipitation	58.9 mm (2.3 in)	45 of 100 (Notable)
Rantoul	United States	Record daily precipitation	69.1 mm (2.7 in)	44 of 100 (Notable)
Maryborough	Australia	Record daily precipitation	27.8 mm (1.1 in)	43 of 100 (Notable)
Princeville	United States	Record daily precipitation	66.0 mm (2.6 in)	43 of 100 (Notable)
Hoopeston	United States	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
Illinois City Dam 16	United States	Record daily precipitation	50.0 mm (2.0 in)	42 of 100 (Notable)
Ulleungdo	Korea, South	Record daily precipitation	72.0 mm (2.8 in)	41 of 100 (Notable)
Decatur Wtp	United States	Record daily precipitation	41.7 mm (1.6 in)	41 of 100 (Notable)
Woodstock	Canada	Record daily precipitation	42.6 mm (1.7 in)	40 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Gumri	Armenia	Record daily precipitation	30.2 mm (1.2 in)	39 of 100 (Notable)
Dumbleyung	Australia	Record daily precipitation	39.5 mm (1.6 in)	38 of 100 (Notable)
Ebrach	Germany	Record daily precipitation	25.2 mm (1.0 in)	38 of 100 (Notable)
Nis	Serbia	Record daily precipitation	32.9 mm (1.3 in)	38 of 100 (Notable)
Kristianstad	Sweden	Record low minimum temperature	6.6 C (43.9 F)	38 of 100 (Notable)
Dover	United States	Record high minimum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Chillicothe	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Crawfordsville Pwr Plt	United States	Record daily precipitation	72.4 mm (2.9 in)	38 of 100 (Notable)
Muscatine 2	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Louisville	United States	Record daily precipitation	66.3 mm (2.6 in)	38 of 100 (Notable)
Susquehanna	United States	Record daily precipitation	44.7 mm (1.8 in)	38 of 100 (Notable)
Britton	United States	Record daily precipitation	29.2 mm (1.1 in)	38 of 100 (Notable)
Uxbridge	Australia	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
Keosauqua	United States	Record daily precipitation	71.1 mm (2.8 in)	37 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record low minimum temperature	2.0 C (35.6 F)	36 of 100 (Notable)
Mt Locke	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Warthausen-Birkenhard	Germany	Record daily precipitation	35.8 mm (1.4 in)	35 of 100 (Notable)
Brandenburg-Gorden	Germany	Record daily precipitation	28.0 mm (1.1 in)	35 of 100 (Notable)
Ulricehamn	Sweden	Record low minimum temperature	2.9 C (37.2 F)	35 of 100 (Notable)
Mosquito Creek Lake	United States	Record daily precipitation	57.4 mm (2.3 in)	34 of 100 (Routine)
Ulm	Germany	Record daily precipitation	28.8 mm (1.1 in)	33 of 100 (Routine)
Sahuaripa	Mexico	Record daily precipitation	62.0 mm (2.4 in)	33 of 100 (Routine)
Gibson City	United States	Record daily precipitation	89.9 mm (3.5 in)	33 of 100 (Routine)
Lincoln	United States	Record daily precipitation	32.5 mm (1.3 in)	33 of 100 (Routine)
Noblesville River	United States	Record daily precipitation	51.6 mm (2.0 in)	33 of 100 (Routine)
New Castle 1 N	United States	Record daily precipitation	53.3 mm (2.1 in)	33 of 100 (Routine)
Warrenton 3 SE	United States	Record high minimum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Herzberg	Germany	Record daily precipitation	51.1 mm (2.0 in)	32 of 100 (Routine)
Dos Bocas	Puerto Rico [United States]	Record low maximum temperature	27.2 C (81.0 F)	32 of 100 (Routine)
Cape May 2 NW	United States	Record high minimum temperature	24.4 C (75.9 F)	32 of 100 (Routine)
Waseca	Canada	Record low minimum temperature	1.7 C (35.1 F)	31 of 100 (Routine)
Colfax	United States	Record low minimum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
W Lafayette 6 NW	United States	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Berezovo	Russia	Record daily precipitation	41.3 mm (1.6 in)	30 of 100 (Routine)
Kirov	Russia	Record high minimum temperature	19.3 C (66.7 F)	30 of 100 (Routine)
Oaknolia 2N	United States	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
La Rue	United States	Record daily precipitation	56.6 mm (2.2 in)	30 of 100 (Routine)
Taber	Canada	Record low minimum temperature	3.3 C (37.9 F)	29 of 100 (Routine)

Counts by Type and Timescale

617 records

Records set or tied on 7 August 1977 by type: Highest daily maximum 112, Lowest daily maximum 51, Highest daily minimum 150, Lowest daily minimum 106, Heaviest daily rainfall 198.

Records on 7 August 1977 by type
Record type	Records
Highest daily maximum	112
Lowest daily maximum	51
Highest daily minimum	150
Lowest daily minimum	106
Heaviest daily rainfall	198
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 August 1977 by timescale: all-time 1, monthly 18, daily 598.

How Much Records Were Beaten By

454 broken records

Margins by which the 454 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.0. Ties are not counted.

Top 20 by Significance

7 August 1977

Top 20 records on 7 August 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 August 1977	Kokomo 3 WSW, US	daily rain	78.7 mm (3.1 in)	64.0 mm (2.5 in)	71 years	68 of 100 (Major)
7 August 1977	Albia 3 NNE, US	monthly rain	146.3 mm (5.8 in)	29.5 mm (1.2 in)	73 years	61 of 100 (Major)
7 August 1977	Aledo, US	daily rain	70.6 mm (2.8 in)	45.5 mm (1.8 in)	71 years	59 of 100 (Notable)
7 August 1977	Three Rivers, US	daily rain	71.9 mm (2.8 in)	46.5 mm (1.8 in)	39 years	59 of 100 (Notable)
7 August 1977	Geisenheim, DE	daily rain	44.6 mm (1.8 in)	20.2 mm (0.8 in)	52 years	58 of 100 (Notable)
7 August 1977	Bauple, AU	daily rain	34.0 mm (1.3 in)	30.4 mm (1.2 in)	44 years	55 of 100 (Notable)
7 August 1977	Arhangelsk, RU	daily rain	30.2 mm (1.2 in)	11.4 mm (0.4 in)	89 years	55 of 100 (Notable)
7 August 1977	Theebine, AU	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	72 years	54 of 100 (Notable)
7 August 1977	Galesburg, US	daily rain	73.7 mm (2.9 in)	32.6 mm (1.3 in)	78 years	52 of 100 (Notable)
7 August 1977	Coldwater St School, US	daily rain	44.2 mm (1.7 in)	25.9 mm (1.0 in)	71 years	49 of 100 (Notable)
7 August 1977	Kuringup, AU	daily rain	30.0 mm (1.2 in)	17.3 mm (0.7 in)	24 years	48 of 100 (Notable)
7 August 1977	Hoofddorp, NL	daily rain	27.6 mm (1.1 in)	4.5 mm (0.18 in)	102 years	46 of 100 (Notable)
7 August 1977	Erofej Pavlovic, RU	daily rain	58.9 mm (2.3 in)	26.6 mm (1.0 in)	40 years	45 of 100 (Notable)
7 August 1977	Rantoul, US	daily rain	69.1 mm (2.7 in)	42.4 mm (1.7 in)	19 years	44 of 100 (Notable)
7 August 1977	Maryborough, AU	daily rain	27.8 mm (1.1 in)	7.5 mm (0.30 in)	88 years	43 of 100 (Notable)
7 August 1977	Princeville, US	daily rain	66.0 mm (2.6 in)	36.8 mm (1.4 in)	10 years	43 of 100 (Notable)
7 August 1977	Hoopeston, US	daily rain	62.2 mm (2.4 in)	33.8 mm (1.3 in)	38 years	42 of 100 (Notable)
7 August 1977	Illinois City Dam 16, US	daily rain	50.0 mm (2.0 in)	42.4 mm (1.7 in)	16 years	42 of 100 (Notable)
7 August 1977	Ulleungdo, KR	daily rain	72.0 mm (2.8 in)	56.0 mm (2.2 in)	36 years	41 of 100 (Notable)
7 August 1977	Decatur Wtp, US	daily rain	41.7 mm (1.6 in)	16.3 mm (0.6 in)	70 years	41 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

1808 to 1977

Records set or tied on this calendar date in each year from 1808 to 1977. 1977 had 617 records.

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

Records on 08-07 in each year
Year	Records
1808	1
1812	1
1815	1
1816	1
1817	1
1833	2
1844	1
1845	1
1848	1
1857	3
1858	1
1859	2
1861	1
1866	1
1868	1
1869	3
1870	2
1875	1
1876	5
1879	1
1880	2
1882	1
1883	1
1884	2
1886	1
1887	2
1888	5
1889	2
1891	3
1892	3
1893	1
1894	1
1895	7
1896	2
1897	2
1898	4
1899	1
1900	6
1901	3
1902	5
1903	17
1904	8
1905	8
1906	9
1907	10
1908	13
1909	11
1910	1
1911	36
1912	31
1913	39
1914	24
1915	40
1916	50
1917	21
1918	108
1919	36
1920	36
1921	55
1922	61
1923	101
1924	128
1925	81
1926	115
1927	109
1928	188
1929	181
1930	486
1931	357
1932	249
1933	310
1934	608
1935	507
1936	286
1937	446
1938	568
1939	561
1940	271
1941	305
1942	340
1943	601
1944	332
1945	882
1946	500
1947	461
1948	756
1949	587
1950	541
1951	562
1952	556
1953	378
1954	589
1955	536
1956	321
1957	868
1958	571
1959	356
1960	344
1961	356
1962	718
1963	522
1964	446
1965	552
1966	400
1967	701
1968	600
1969	523
1970	652
1971	969
1972	1,172
1973	568
1974	746
1975	1,177
1976	1,168
1977	617
1978	1,210
1979	559
1980	871
1981	855
1982	727
1983	1,207
1984	840
1985	1,088
1986	544
1987	1,146
1988	897
1989	1,472
1990	1,625
1991	1,217
1992	1,236
1993	1,040
1994	1,262
1995	1,521
1996	1,107
1997	1,460
1998	1,183
1999	950
2000	871
2001	1,386
2002	907
2003	1,244
2004	1,400
2005	882
2006	923
2007	1,309
2008	918
2009	1,121
2010	1,098
2011	1,282
2012	688
2013	665
2014	501
2015	1,027
2016	505
2017	954
2018	636
2019	609
2020	605
2021	397
2022	880
2023	1,221
2024	835
2025	733
2026	1,047

Download the Data

Data for records on 1977-08-07: 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	379
10 to 20	43
20 to 30	18
30 to 40	6
40 to 50	6
50 to 60	1
60 to 70	1