Weather Records on 19 August 1977

938 weather records were set or tied worldwide on 19 August 1977. Highest significance: La Motte (Bos), ZA.

Key Facts for 19 August 1977

On 19 August 1977, 938 weather records were set or tied at long-record stations worldwide.
214 were record highs and 527 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 923 daily.
La Motte (Bos) set an all-time record daily precipitation of 180.0 mm (7.1 in) on 19 August 1977.
Across 168 earlier years (1797 to 2026) the same calendar date averaged 436 records.

Record Map

938 stations

938 station records on 19 August 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 August 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
La Motte (Bos)	South Africa	Record daily precipitation	180.0 mm (7.1 in)	65 of 100 (Major)
Garland 1 NE	United States	Record daily precipitation	72.9 mm (2.9 in)	62 of 100 (Major)
Doberlug-Kirchhain	Germany	Record daily precipitation	31.0 mm (1.2 in)	55 of 100 (Notable)
Americus	United States	Record daily precipitation	53.3 mm (2.1 in)	53 of 100 (Notable)
Vaughn	United States	Record daily precipitation	83.8 mm (3.3 in)	53 of 100 (Notable)
Coimbra	Portugal	Record daily precipitation	50.5 mm (2.0 in)	50 of 100 (Notable)
Florence 8 NE	United States	Record daily precipitation	93.2 mm (3.7 in)	50 of 100 (Notable)
Porto	Portugal	Record daily precipitation	47.4 mm (1.9 in)	48 of 100 (Notable)
Astana	Kazakhstan	Record daily precipitation	28.9 mm (1.1 in)	47 of 100 (Notable)
Darlington	United States	Record daily precipitation	73.7 mm (2.9 in)	45 of 100 (Notable)
Vrugbaar	South Africa	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Ojo de Agua	Mexico	Record low minimum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Groot Constantia	South Africa	Record daily precipitation	88.6 mm (3.5 in)	43 of 100 (Notable)
Beaver	United States	Record daily precipitation	77.5 mm (3.1 in)	43 of 100 (Notable)
Freehold-Marlboro	United States	Record low minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Franklin	United States	Record low maximum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Follett	United States	Record daily precipitation	83.3 mm (3.3 in)	41 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record high maximum temperature	24.6 C (76.3 F)	40 of 100 (Notable)
Sotchi	Russia	Record low minimum temperature	12.6 C (54.7 F)	40 of 100 (Notable)
Belhaven 1 SE	United States	Record low maximum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Altus Irig Rsch STN	United States	Record daily precipitation	69.9 mm (2.8 in)	40 of 100 (Notable)
Cambridge Galt Moe	Canada	Record low minimum temperature	4.5 C (40.1 F)	39 of 100 (Notable)
Rockland 2 NW	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Araruna	Brazil	Record daily precipitation	25.3 mm (1.0 in)	38 of 100 (Notable)
Puerto Madero	Mexico	Record low minimum temperature	11.7 C (53.1 F)	38 of 100 (Notable)
Montpelier Rs	United States	Record daily precipitation	25.7 mm (1.0 in)	38 of 100 (Notable)
Ruston la Tech	United States	Record low maximum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Thomasville	United States	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Adrian 2 NNE	United States	Record low minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Sloan 3 S	United States	Record low maximum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Ketchikan AP	United States	Record high maximum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
Paarl (Tnk)	South Africa	Record daily precipitation	54.0 mm (2.1 in)	36 of 100 (Notable)
Gyshgy	Turkmenistan	Record high minimum temperature	22.6 C (72.7 F)	36 of 100 (Notable)
Pontiac Wwtp	United States	Record low minimum temperature	6.7 C (44.1 F)	36 of 100 (Notable)
Arcade	United States	Record low maximum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Conroe	United States	Record low maximum temperature	27.2 C (81.0 F)	36 of 100 (Notable)
Tartu-Toravere	Estonia	Record low minimum temperature	2.2 C (36.0 F)	35 of 100 (Notable)
Millen 4 N	United States	Record low maximum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Port Gibson 1 NE	United States	Record low maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Kinston 7 SE	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Dodgeville Wwtp	United States	Record low maximum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Portage Wwtp	United States	Record low minimum temperature	5.0 C (41.0 F)	35 of 100 (Notable)
Gage AP	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Turbine	Canada	Record low maximum temperature	11.5 C (52.7 F)	34 of 100 (Routine)
North Bay	Canada	Record low maximum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Gospic	Croatia	Record high minimum temperature	16.3 C (61.3 F)	34 of 100 (Routine)
Stellenbosch (Tnk)	South Africa	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Winfield 3NE	United States	Record daily precipitation	60.2 mm (2.4 in)	34 of 100 (Routine)
Benton Harbor AP	United States	Record low maximum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Fayetteville (Pwc)	United States	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Montpelier	United States	Record low minimum temperature	5.6 C (42.1 F)	34 of 100 (Routine)
Alma Bacon Co AP	United States	Record daily precipitation	95.0 mm (3.7 in)	34 of 100 (Routine)
Herrnhut	Germany	Record daily precipitation	35.8 mm (1.4 in)	33 of 100 (Routine)
Kon-Kolodez	Russia	Record low minimum temperature	5.2 C (41.4 F)	33 of 100 (Routine)
Red Lake Indian Agcy	United States	Record low minimum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Columbia	United States	Record daily precipitation	43.7 mm (1.7 in)	33 of 100 (Routine)
Alfred	United States	Record low maximum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Wichita Mtn Wr	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Barrage Temiscamingue	Canada	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Elgin	United States	Record daily precipitation	44.2 mm (1.7 in)	32 of 100 (Routine)

Counts by Type and Timescale

938 records

Records set or tied on 19 August 1977 by type: Highest daily maximum 79, Lowest daily maximum 271, Highest daily minimum 135, Lowest daily minimum 256, Heaviest daily rainfall 197.

Records on 19 August 1977 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	271
Highest daily minimum	135
Lowest daily minimum	256
Heaviest daily rainfall	197
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 19 August 1977 by timescale: all-time 1, monthly 14, daily 923.

How Much Records Were Beaten By

708 broken records

Margins by which the 708 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.0. Ties are not counted.

Top 20 by Significance

19 August 1977

Top 20 records on 19 August 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 August 1977	La Motte (Bos), ZA	all-time rain	180.0 mm (7.1 in)	70.0 mm (2.8 in)	2 years	65 of 100 (Major)
19 August 1977	Garland 1 NE, US	monthly rain	72.9 mm (2.9 in)	37.3 mm (1.5 in)	22 years	62 of 100 (Major)
19 August 1977	Doberlug-Kirchhain, DE	daily rain	31.0 mm (1.2 in)	17.2 mm (0.7 in)	67 years	55 of 100 (Notable)
19 August 1977	Americus, US	daily rain	53.3 mm (2.1 in)	30.4 mm (1.2 in)	79 years	53 of 100 (Notable)
19 August 1977	Vaughn, US	daily rain	83.8 mm (3.3 in)	55.6 mm (2.2 in)	24 years	53 of 100 (Notable)
19 August 1977	Coimbra, PT	monthly rain	50.5 mm (2.0 in)	14.9 mm (0.6 in)	32 years	50 of 100 (Notable)
19 August 1977	Florence 8 NE, US	daily rain	93.2 mm (3.7 in)	62.0 mm (2.4 in)	35 years	50 of 100 (Notable)
19 August 1977	Porto, PT	daily rain	47.4 mm (1.9 in)	23.8 mm (0.9 in)	32 years	48 of 100 (Notable)
19 August 1977	Astana, KZ	daily rain	28.9 mm (1.1 in)	7.9 mm (0.31 in)	91 years	47 of 100 (Notable)
19 August 1977	Darlington, US	daily rain	73.7 mm (2.9 in)	26.5 mm (1.0 in)	68 years	45 of 100 (Notable)
19 August 1977	Vrugbaar, ZA	daily rain	47.0 mm (1.9 in)	28.2 mm (1.1 in)	27 years	44 of 100 (Notable)
19 August 1977	Ojo de Agua, MX	daily low min	7.8 C (46.0 F)	11.1 C (20.0 F)	2 years	43 of 100 (Notable)
19 August 1977	Groot Constantia, ZA	daily rain	88.6 mm (3.5 in)	45.6 mm (1.8 in)	20 years	43 of 100 (Notable)
19 August 1977	Beaver, US	daily rain	77.5 mm (3.1 in)	44.0 mm (1.7 in)	16 years	43 of 100 (Notable)
19 August 1977	Freehold-Marlboro, US	daily low min	7.8 C (46.0 F)	2.8 C (5.0 F)	80 years	41 of 100 (Notable)
19 August 1977	Franklin, US	daily low max	17.8 C (64.0 F)	3.9 C (7.0 F)	79 years	41 of 100 (Notable)
19 August 1977	Follett, US	daily rain	83.3 mm (3.3 in)	47.0 mm (1.9 in)	16 years	41 of 100 (Notable)
19 August 1977	Deniliquin (Wilkinson St), AU	daily high max	24.6 C (76.3 F)	0.6 C (1.1 F)	96 years	40 of 100 (Notable)
19 August 1977	Sotchi, RU	daily low min	12.6 C (54.7 F)	1.8 C (3.2 F)	83 years	40 of 100 (Notable)
19 August 1977	Belhaven 1 SE, US	daily low max	21.7 C (71.1 F)	4.4 C (7.9 F)	62 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

1797 to 1977

Records set or tied on this calendar date in each year from 1797 to 1977. 1977 had 938 records.

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

Records on 08-19 in each year
Year	Records
1797	2
1800	1
1809	1
1820	1
1830	2
1831	1
1838	2
1844	2
1845	1
1846	1
1849	2
1857	1
1861	1
1862	1
1864	2
1867	1
1870	2
1872	1
1873	1
1874	1
1875	2
1877	3
1879	1
1880	1
1881	1
1882	1
1883	2
1884	2
1885	2
1886	2
1887	2
1888	1
1889	1
1890	4
1892	5
1893	2
1894	2
1895	1
1896	2
1897	2
1898	3
1899	9
1900	5
1901	13
1902	4
1903	6
1904	14
1905	16
1906	37
1907	17
1908	5
1909	24
1910	17
1911	9
1912	18
1913	9
1914	39
1915	34
1916	74
1917	200
1918	33
1919	31
1920	36
1921	22
1922	71
1923	97
1924	174
1925	154
1926	179
1927	343
1928	112
1929	163
1930	182
1931	207
1932	373
1933	328
1934	438
1935	389
1936	679
1937	305
1938	321
1939	432
1940	687
1941	431
1942	308
1943	596
1944	259
1945	427
1946	427
1947	896
1948	371
1949	411
1950	893
1951	362
1952	475
1953	412
1954	576
1955	780
1956	831
1957	325
1958	374
1959	733
1960	864
1961	425
1962	419
1963	570
1964	455
1965	550
1966	1,095
1967	839
1968	948
1969	501
1970	468
1971	376
1972	547
1973	519
1974	466
1975	561
1976	1,144
1977	938
1978	863
1979	1,492
1980	648
1981	1,004
1982	596
1983	1,387
1984	598
1985	713
1986	848
1987	811
1988	982
1989	660
1990	871
1991	656
1992	1,094
1993	771
1994	798
1995	1,542
1996	800
1997	958
1998	717
1999	980
2000	954
2001	1,027
2002	1,389
2003	918
2004	1,310
2005	920
2006	850
2007	1,360
2008	1,186
2009	1,039
2010	1,440
2011	975
2012	1,377
2013	765
2014	701
2015	989
2016	931
2017	439
2018	471
2019	601
2020	1,271
2021	1,366
2022	1,198
2023	910
2024	568
2025	786
2026	755

Download the Data

Data for records on 1977-08-19: 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	651
10 to 20	27
20 to 30	16
30 to 40	8
40 to 50	3
50 to 60	1
60 to 70	2