Weather Records on 25 August 1977

731 weather records were set or tied worldwide on 25 August 1977. Highest significance: Ischim Amsg, RU.

Key Facts for 25 August 1977

On 25 August 1977, 731 weather records were set or tied at long-record stations worldwide.
209 were record highs and 267 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 16 monthly and 712 daily.
Ischim Amsg set a monthly record daily precipitation of 70.1 mm (2.8 in) on 25 August 1977.
Across 168 earlier years (1796 to 2026) the same calendar date averaged 436 records.

Record Map

731 stations

731 station records on 25 August 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 August 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ischim Amsg	Russia	Record daily precipitation	70.1 mm (2.8 in)	59 of 100 (Notable)
Bucuresti Filaret	Romania	Record daily precipitation	58.2 mm (2.3 in)	57 of 100 (Notable)
Elkton 3 SW	United States	Record daily precipitation	32.5 mm (1.3 in)	56 of 100 (Notable)
Culbertson	United States	Record daily precipitation	46.2 mm (1.8 in)	54 of 100 (Notable)
Askaniia Nova	Ukraine	Record daily precipitation	52.0 mm (2.0 in)	53 of 100 (Notable)
Minden	United States	Record daily precipitation	47.0 mm (1.9 in)	52 of 100 (Notable)
Elma	United States	Record daily precipitation	38.9 mm (1.5 in)	51 of 100 (Notable)
Shelton	United States	Record daily precipitation	50.8 mm (2.0 in)	51 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record high maximum temperature	23.8 C (74.8 F)	48 of 100 (Notable)
Oaknolia 2N	United States	Record daily precipitation	105.2 mm (4.1 in)	48 of 100 (Notable)
Grapeview 3 SW	United States	Record daily precipitation	53.3 mm (2.1 in)	48 of 100 (Notable)
Ft Bidwell	United States	Record low maximum temperature	16.7 C (62.1 F)	47 of 100 (Notable)
Elwha Rs	United States	Record daily precipitation	38.6 mm (1.5 in)	47 of 100 (Notable)
Izmail	Ukraine	Record daily precipitation	47.0 mm (1.9 in)	45 of 100 (Notable)
Arteaga (Smn)	Mexico	Record daily precipitation	59.9 mm (2.4 in)	44 of 100 (Notable)
Seattle Urban Site	United States	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
Lifjell	Norway	Record daily precipitation	51.3 mm (2.0 in)	43 of 100 (Notable)
Talbotton	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Seattle UNIV of Washin	United States	Record daily precipitation	29.5 mm (1.2 in)	42 of 100 (Notable)
Coalgate 1 WNW	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Oakville	United States	Record daily precipitation	40.1 mm (1.6 in)	40 of 100 (Notable)
Turnu Magurele	Romania	Record daily precipitation	46.2 mm (1.8 in)	39 of 100 (Notable)
Racine Wwtp	United States	Record low minimum temperature	4.4 C (39.9 F)	39 of 100 (Notable)
Port Lincoln	Australia	Record high maximum temperature	29.3 C (84.7 F)	38 of 100 (Notable)
Ojo de Agua	Mexico	Record low minimum temperature	8.9 C (48.0 F)	38 of 100 (Notable)
Stornoway Airport	United Kingdom	Record low maximum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Carville 2 SW	United States	Record daily precipitation	66.5 mm (2.6 in)	38 of 100 (Notable)
Calarasi	Romania	Record low maximum temperature	19.0 C (66.2 F)	37 of 100 (Notable)
Eustis 2 NW	United States	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Ewing	United States	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)
Durham	Canada	Record low minimum temperature	3.3 C (37.9 F)	36 of 100 (Notable)
Taylor	United States	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Wauna 3 W	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Shawano 2SSW	United States	Record low minimum temperature	1.7 C (35.1 F)	36 of 100 (Notable)
Keams Canyon	United States	Record high maximum temperature	34.4 C (93.9 F)	35 of 100 (Notable)
Hemlock	United States	Record low minimum temperature	2.2 C (36.0 F)	35 of 100 (Notable)
Kenai AP	United States	Record high minimum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Kremsmuenster	Austria	Record low minimum temperature	7.3 C (45.1 F)	34 of 100 (Routine)
Bjelasnica	Bosnia and Herzegovina	Record low minimum temperature	-0.9 C (30.4 F)	34 of 100 (Routine)
Brewster	United States	Record daily precipitation	70.4 mm (2.8 in)	34 of 100 (Routine)
Santaquin Chlorinator	United States	Record low maximum temperature	16.7 C (62.1 F)	34 of 100 (Routine)
Soroca	Moldova	Record daily precipitation	36.0 mm (1.4 in)	33 of 100 (Routine)
Tahoua	Niger	Record daily precipitation	49.3 mm (1.9 in)	33 of 100 (Routine)
Warren 2 ENE	United States	Record daily precipitation	52.8 mm (2.1 in)	33 of 100 (Routine)
Cambridge City 3 N	United States	Record low maximum temperature	19.4 C (66.9 F)	33 of 100 (Routine)
Sandusky	United States	Record low minimum temperature	-1.1 C (30.0 F)	33 of 100 (Routine)
Comstock	United States	Record daily precipitation	36.8 mm (1.4 in)	33 of 100 (Routine)
Ericson 8 WNW	United States	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Gainesville	United States	Record high maximum temperature	41.7 C (107.1 F)	33 of 100 (Routine)
Port Townsend	United States	Record low maximum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Chilton	United States	Record low minimum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Aseral	Norway	Record daily precipitation	64.3 mm (2.5 in)	32 of 100 (Routine)
Voznesensk	Ukraine	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Susanville 2SW	United States	Record low maximum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Cambridge	United States	Record low maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
San Marcos	United States	Record high minimum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Snowtown	Australia	Record high maximum temperature	28.7 C (83.7 F)	31 of 100 (Routine)
Anadyr	Russia	Record high maximum temperature	20.2 C (68.4 F)	31 of 100 (Routine)
Whitefish Pt	United States	Record low minimum temperature	2.2 C (36.0 F)	31 of 100 (Routine)
Upland 2NE	United States	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)

Counts by Type and Timescale

731 records

Records set or tied on 25 August 1977 by type: Highest daily maximum 72, Lowest daily maximum 161, Highest daily minimum 137, Lowest daily minimum 106, Heaviest daily rainfall 255.

Records on 25 August 1977 by type
Record type	Records
Highest daily maximum	72
Lowest daily maximum	161
Highest daily minimum	137
Lowest daily minimum	106
Heaviest daily rainfall	255
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 August 1977 by timescale: all-time 3, monthly 16, daily 712.

How Much Records Were Beaten By

543 broken records

Margins by which the 543 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.8. Ties are not counted.

Top 20 by Significance

25 August 1977

Top 20 records on 25 August 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 1977	Ischim Amsg, RU	monthly rain	70.1 mm (2.8 in)	23.1 mm (0.9 in)	33 years	59 of 100 (Notable)
25 August 1977	Bucuresti Filaret, RO	daily rain	58.2 mm (2.3 in)	34.3 mm (1.4 in)	67 years	57 of 100 (Notable)
25 August 1977	Elkton 3 SW, US	monthly rain	32.5 mm (1.3 in)	13.4 mm (0.5 in)	33 years	56 of 100 (Notable)
25 August 1977	Culbertson, US	daily rain	46.2 mm (1.8 in)	25.4 mm (1.0 in)	85 years	54 of 100 (Notable)
25 August 1977	Askaniia Nova, UA	daily rain	52.0 mm (2.0 in)	45.0 mm (1.8 in)	26 years	53 of 100 (Notable)
25 August 1977	Minden, US	daily rain	47.0 mm (1.9 in)	25.7 mm (1.0 in)	77 years	52 of 100 (Notable)
25 August 1977	Elma, US	daily rain	38.9 mm (1.5 in)	22.4 mm (0.9 in)	23 years	51 of 100 (Notable)
25 August 1977	Shelton, US	monthly rain	50.8 mm (2.0 in)	16.8 mm (0.7 in)	34 years	51 of 100 (Notable)
25 August 1977	Hobart (Ellerslie Road), AU	monthly high max	23.8 C (74.8 F)	1.9 C (3.4 F)	75 years	48 of 100 (Notable)
25 August 1977	Oaknolia 2N, US	daily rain	105.2 mm (4.1 in)	76.8 mm (3.0 in)	18 years	48 of 100 (Notable)
25 August 1977	Grapeview 3 SW, US	monthly rain	53.3 mm (2.1 in)	15.2 mm (0.6 in)	27 years	48 of 100 (Notable)
25 August 1977	Ft Bidwell, US	daily low max	16.7 C (62.1 F)	2.7 C (4.9 F)	102 years	47 of 100 (Notable)
25 August 1977	Elwha Rs, US	daily rain	38.6 mm (1.5 in)	22.9 mm (0.9 in)	24 years	47 of 100 (Notable)
25 August 1977	Izmail, UA	daily rain	47.0 mm (1.9 in)	33.2 mm (1.3 in)	7 years	45 of 100 (Notable)
25 August 1977	Arteaga (Smn), MX	daily rain	59.9 mm (2.4 in)	52.0 mm (2.0 in)	6 years	44 of 100 (Notable)
25 August 1977	Seattle Urban Site, US	daily rain	32.8 mm (1.3 in)	18.1 mm (0.7 in)	8 years	44 of 100 (Notable)
25 August 1977	Lifjell, NO	daily rain	51.3 mm (2.0 in)	15.7 mm (0.6 in)	68 years	43 of 100 (Notable)
25 August 1977	Talbotton, US	daily high min	25.6 C (78.1 F)	2.3 C (4.1 F)	78 years	42 of 100 (Notable)
25 August 1977	Seattle UNIV of Washin, US	daily rain	29.5 mm (1.2 in)	23.1 mm (0.9 in)	28 years	42 of 100 (Notable)
25 August 1977	Coalgate 1 WNW, US	daily rain	50.8 mm (2.0 in)	35.3 mm (1.4 in)	38 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

1796 to 1977

Records set or tied on this calendar date in each year from 1796 to 1977. 1977 had 731 records.

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

Records on 08-25 in each year
Year	Records
1796	1
1801	1
1802	1
1807	2
1809	1
1813	1
1814	1
1816	1
1818	2
1837	1
1838	2
1839	1
1848	1
1852	1
1855	2
1859	1
1861	2
1864	1
1867	2
1869	1
1870	1
1871	2
1872	2
1875	1
1876	5
1877	3
1879	3
1880	2
1884	1
1885	2
1886	1
1887	1
1889	1
1890	3
1892	4
1893	8
1894	2
1895	4
1896	2
1897	2
1898	2
1899	5
1900	13
1901	11
1902	6
1903	13
1904	11
1905	12
1906	29
1907	15
1908	13
1909	22
1910	32
1911	32
1912	32
1913	31
1914	30
1915	94
1916	18
1917	65
1918	37
1919	172
1920	174
1921	50
1922	70
1923	117
1924	402
1925	145
1926	224
1927	356
1928	167
1929	174
1930	247
1931	251
1932	270
1933	307
1934	457
1935	317
1936	859
1937	333
1938	620
1939	366
1940	658
1941	474
1942	514
1943	496
1944	589
1945	462
1946	305
1947	627
1948	876
1949	281
1950	327
1951	352
1952	585
1953	461
1954	520
1955	711
1956	273
1957	479
1958	958
1959	576
1960	585
1961	487
1962	398
1963	510
1964	557
1965	401
1966	715
1967	439
1968	596
1969	631
1970	721
1971	628
1972	596
1973	537
1974	466
1975	650
1976	459
1977	731
1978	702
1979	828
1980	750
1981	671
1982	907
1983	1,277
1984	694
1985	1,048
1986	778
1987	1,533
1988	815
1989	918
1990	817
1991	688
1992	1,680
1993	1,137
1994	617
1995	1,206
1996	1,058
1997	1,553
1998	1,138
1999	895
2000	790
2001	1,021
2002	1,073
2003	872
2004	947
2005	874
2006	1,020
2007	1,345
2008	1,026
2009	824
2010	1,321
2011	1,332
2012	709
2013	619
2014	853
2015	1,157
2016	887
2017	432
2018	438
2019	708
2020	931
2021	597
2022	672
2023	1,565
2024	909
2025	1,071
2026	886

Download the Data

Data for records on 1977-08-25: 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	475
10 to 20	40
20 to 30	18
30 to 40	6
40 to 50	2
50 to 60	1
60 to 70	0
70 to 80	1