Weather Records on 9 August 1977

453 weather records were set or tied worldwide on 9 August 1977. Highest significance: Red Lodge, US.

Key Facts for 9 August 1977

On 9 August 1977, 453 weather records were set or tied at long-record stations worldwide.
156 were record highs and 105 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 440 daily.
Red Lodge set a daily record precipitation of 64.8 mm (2.6 in) on 9 August 1977.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 474 records.

Record Map

453 stations

453 station records on 9 August 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Red Lodge	United States	Record daily precipitation	64.8 mm (2.6 in)	67 of 100 (Major)
Clarinda	United States	Record daily precipitation	121.2 mm (4.8 in)	61 of 100 (Major)
Plattsmouth 1E	United States	Record daily precipitation	98.8 mm (3.9 in)	61 of 100 (Major)
Red Oak	United States	Record daily precipitation	66.0 mm (2.6 in)	58 of 100 (Notable)
Wagner	United States	Record daily precipitation	65.0 mm (2.6 in)	58 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily precipitation	67.3 mm (2.6 in)	56 of 100 (Notable)
Mt Ayr	United States	Record daily precipitation	114.8 mm (4.5 in)	56 of 100 (Notable)
Lamoni	United States	Record daily precipitation	80.3 mm (3.2 in)	55 of 100 (Notable)
Butte	United States	Record daily precipitation	50.3 mm (2.0 in)	52 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	71.1 mm (2.8 in)	51 of 100 (Notable)
Trenton	United States	Record daily precipitation	86.4 mm (3.4 in)	50 of 100 (Notable)
Buckingham	United States	Record daily precipitation	50.3 mm (2.0 in)	50 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily precipitation	69.9 mm (2.8 in)	49 of 100 (Notable)
Sac City	United States	Record daily precipitation	75.9 mm (3.0 in)	49 of 100 (Notable)
Waynesville 1 E	United States	Record daily precipitation	46.5 mm (1.8 in)	48 of 100 (Notable)
Wanless	Canada	Record daily precipitation	75.2 mm (3.0 in)	47 of 100 (Notable)
Flagstaff AP	United States	Record daily precipitation	35.6 mm (1.4 in)	47 of 100 (Notable)
David City 4E	United States	Record daily precipitation	57.4 mm (2.3 in)	46 of 100 (Notable)
Volodarskoe	Kazakhstan	Record daily precipitation	33.4 mm (1.3 in)	45 of 100 (Notable)
Blockton 1W	United States	Record daily precipitation	104.6 mm (4.1 in)	45 of 100 (Notable)
Shenandoah	United States	Record daily precipitation	121.7 mm (4.8 in)	45 of 100 (Notable)
Wahoo	United States	Record daily precipitation	95.3 mm (3.8 in)	45 of 100 (Notable)
Pelee Island	Canada	Record daily precipitation	36.6 mm (1.4 in)	44 of 100 (Notable)
Gronbaek-Allingskovgard	Denmark	Record daily precipitation	34.5 mm (1.4 in)	44 of 100 (Notable)
Kakinada	India	Record daily precipitation	80.0 mm (3.1 in)	44 of 100 (Notable)
Gregory	United States	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
The Pas A	Canada	Record daily precipitation	60.6 mm (2.4 in)	43 of 100 (Notable)
Corning	United States	Record daily precipitation	99.1 mm (3.9 in)	43 of 100 (Notable)
Pemfling-Pitzling	Germany	Record daily precipitation	32.6 mm (1.3 in)	42 of 100 (Notable)
Glenwood 3SW	United States	Record daily precipitation	72.6 mm (2.9 in)	41 of 100 (Notable)
Lucerne	United States	Record daily precipitation	66.0 mm (2.6 in)	41 of 100 (Notable)
Madison	United States	Record daily precipitation	57.2 mm (2.3 in)	41 of 100 (Notable)
Albion	United States	Record daily precipitation	60.7 mm (2.4 in)	39 of 100 (Notable)
Kane 1NNE	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Richfield	United States	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)
Ulm	Germany	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
King City	United States	Record daily precipitation	52.8 mm (2.1 in)	35 of 100 (Notable)
Port Lincoln	Australia	Record high maximum temperature	22.5 C (72.5 F)	34 of 100 (Routine)
Marysville	United States	Record low minimum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Barkerville	Canada	Record high minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Madera	Mexico	Record daily precipitation	41.9 mm (1.6 in)	33 of 100 (Routine)
Edwardsville 2 W	United States	Record daily precipitation	47.2 mm (1.9 in)	33 of 100 (Routine)
Centerville	United States	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)
Roxboro 7 ESE	United States	Record high maximum temperature	37.2 C (99.0 F)	33 of 100 (Routine)
Gaoua	Burkina Faso	Record low maximum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Stover	United States	Record daily precipitation	65.0 mm (2.6 in)	32 of 100 (Routine)
Defiance	United States	Record daily precipitation	31.2 mm (1.2 in)	32 of 100 (Routine)
Lubbock	United States	Record daily precipitation	36.8 mm (1.4 in)	32 of 100 (Routine)
Newport	United States	Record high maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Hyden	United States	Record daily precipitation	54.6 mm (2.1 in)	31 of 100 (Routine)
Ashland #2	United States	Record daily precipitation	89.4 mm (3.5 in)	31 of 100 (Routine)
Fremont	United States	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Weeping Water	United States	Record daily precipitation	68.8 mm (2.7 in)	31 of 100 (Routine)
Armour	United States	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Conlen	United States	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Hot Springs	United States	Record daily precipitation	27.7 mm (1.1 in)	30 of 100 (Routine)
Doodenanning	Australia	Record daily precipitation	26.0 mm (1.0 in)	29 of 100 (Routine)
Summerland Cda	Canada	Record high minimum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Dawson	Canada	Record high minimum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Lakeside	United States	Record daily precipitation	68.3 mm (2.7 in)	29 of 100 (Routine)

Counts by Type and Timescale

453 records

Records set or tied on 9 August 1977 by type: Highest daily maximum 56, Lowest daily maximum 64, Highest daily minimum 100, Lowest daily minimum 41, Heaviest daily rainfall 192.

Records on 9 August 1977 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	64
Highest daily minimum	100
Lowest daily minimum	41
Heaviest daily rainfall	192
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1977 by timescale: all-time 1, monthly 12, daily 440.

How Much Records Were Beaten By

353 broken records

Margins by which the 353 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.7. Ties are not counted.

Top 20 by Significance

9 August 1977

Top 20 records on 9 August 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1977	Red Lodge, US	daily rain	64.8 mm (2.6 in)	49.6 mm (2.0 in)	64 years	67 of 100 (Major)
9 August 1977	Clarinda, US	daily rain	121.2 mm (4.8 in)	90.7 mm (3.6 in)	44 years	61 of 100 (Major)
9 August 1977	Plattsmouth 1E, US	daily rain	98.8 mm (3.9 in)	78.0 mm (3.1 in)	46 years	61 of 100 (Major)
9 August 1977	Red Oak, US	daily rain	66.0 mm (2.6 in)	44.2 mm (1.7 in)	72 years	58 of 100 (Notable)
9 August 1977	Wagner, US	daily rain	65.0 mm (2.6 in)	47.7 mm (1.9 in)	44 years	58 of 100 (Notable)
9 August 1977	Ft Dodge 5NNW, US	daily rain	67.3 mm (2.6 in)	41.9 mm (1.6 in)	72 years	56 of 100 (Notable)
9 August 1977	Mt Ayr, US	daily rain	114.8 mm (4.5 in)	50.5 mm (2.0 in)	54 years	56 of 100 (Notable)
9 August 1977	Lamoni, US	daily rain	80.3 mm (3.2 in)	51.3 mm (2.0 in)	44 years	55 of 100 (Notable)
9 August 1977	Butte, US	daily rain	50.3 mm (2.0 in)	31.2 mm (1.2 in)	68 years	52 of 100 (Notable)
9 August 1977	Oshkosh, US	daily rain	71.1 mm (2.8 in)	30.5 mm (1.2 in)	64 years	51 of 100 (Notable)
9 August 1977	Trenton, US	daily rain	86.4 mm (3.4 in)	42.5 mm (1.7 in)	46 years	50 of 100 (Notable)
9 August 1977	Buckingham, US	daily rain	50.3 mm (2.0 in)	30.7 mm (1.2 in)	75 years	50 of 100 (Notable)
9 August 1977	Mt Pleasant 1 SW, US	daily rain	69.9 mm (2.8 in)	31.8 mm (1.3 in)	75 years	49 of 100 (Notable)
9 August 1977	Sac City, US	daily rain	75.9 mm (3.0 in)	31.7 mm (1.2 in)	72 years	49 of 100 (Notable)
9 August 1977	Waynesville 1 E, US	daily rain	46.5 mm (1.8 in)	28.5 mm (1.1 in)	50 years	48 of 100 (Notable)
9 August 1977	Wanless, CA	monthly rain	75.2 mm (3.0 in)	25.9 mm (1.0 in)	2 years	47 of 100 (Notable)
9 August 1977	Flagstaff AP, US	daily rain	35.6 mm (1.4 in)	21.9 mm (0.9 in)	35 years	47 of 100 (Notable)
9 August 1977	David City 4E, US	daily rain	57.4 mm (2.3 in)	22.3 mm (0.9 in)	72 years	46 of 100 (Notable)
9 August 1977	Volodarskoe, KZ	daily rain	33.4 mm (1.3 in)	27.2 mm (1.1 in)	6 years	45 of 100 (Notable)
9 August 1977	Blockton 1W, US	daily rain	104.6 mm (4.1 in)	60.4 mm (2.4 in)	4 years	45 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

1798 to 1977

Records set or tied on this calendar date in each year from 1798 to 1977. 1977 had 453 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1977-08-09: 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 20	308
20 to 40	32
40 to 60	10
60 to 80	2
80 to 100	1