Weather Records on 15 August 1925

91 weather records were set or tied worldwide on 15 August 1925. Highest significance: Grenola 1 N, US.

Key Facts for 15 August 1925

On 15 August 1925, 91 weather records were set or tied at long-record stations worldwide.
37 were record highs and 23 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 0 monthly and 90 daily.
Grenola 1 N set a daily record precipitation of 57.2 mm (2.3 in) on 15 August 1925.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

91 stations

91 station records on 15 August 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grenola 1 N	United States	Record daily precipitation	57.2 mm (2.3 in)	31 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	27.2 C (81.0 F)	22 of 100 (Routine)
Winfield 3NE	United States	Record daily precipitation	28.4 mm (1.1 in)	21 of 100 (Routine)
Teriberka	Russia	Record daily precipitation	15.1 mm (0.6 in)	20 of 100 (Routine)
Mein Station	Australia	Record daily precipitation	2.8 mm (0.11 in)	20 of 100 (Routine)
Medicine Lodge	United States	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Helena Wb City	United States	Record low maximum temperature	13.3 C (55.9 F)	20 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	6.1 C (43.0 F)	19 of 100 (Routine)
Hutchinson River	United States	Record daily precipitation	31.0 mm (1.2 in)	19 of 100 (Routine)
Zametchino	Russia	Record high minimum temperature	15.5 C (59.9 F)	18 of 100 (Routine)
Bartow 1SE	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Mardie	Australia	Record daily precipitation	2.0 mm (0.08 in)	17 of 100 (Routine)
Woodburn Post Office	Australia	Record daily precipitation	24.4 mm (1.0 in)	17 of 100 (Routine)
Kargopol	Russia	Record high minimum temperature	16.6 C (61.9 F)	17 of 100 (Routine)
Eutawville	United States	Record high minimum temperature	24.4 C (75.9 F)	17 of 100 (Routine)
Oberlin	United States	Record daily precipitation	23.9 mm (0.9 in)	16 of 100 (Routine)
Butte Bert Mooney AP	United States	Record low maximum temperature	12.8 C (55.0 F)	16 of 100 (Routine)
Anticosti SW Point	Canada	Record high minimum temperature	15.0 C (59.0 F)	15 of 100 (Routine)
St. Petersburg	Russia	Record high minimum temperature	16.6 C (61.9 F)	15 of 100 (Routine)
Granite Reef Dam	United States	Record high minimum temperature	31.7 C (89.1 F)	15 of 100 (Routine)
Hallettsville 2 N	United States	Record high maximum temperature	39.4 C (102.9 F)	15 of 100 (Routine)
Kjobli I Snaasa	Norway	Record daily precipitation	28.5 mm (1.1 in)	14 of 100 (Routine)
Carroll	United States	Record high minimum temperature	20.6 C (69.1 F)	14 of 100 (Routine)
Poplar 2 E	United States	Record low minimum temperature	1.7 C (35.1 F)	14 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	23.9 C (75.0 F)	13 of 100 (Routine)
Innisfail	Australia	Record daily precipitation	30.5 mm (1.2 in)	13 of 100 (Routine)
Koolool	Australia	Record daily precipitation	13.7 mm (0.5 in)	13 of 100 (Routine)
Brandon Cda	Canada	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	18.6 mm (0.7 in)	13 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record high minimum temperature	25.0 C (77.0 F)	13 of 100 (Routine)
Joseph	United States	Record low maximum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Lake Charles Chenault	United States	Record daily precipitation	43.7 mm (1.7 in)	13 of 100 (Routine)
Dalby Post Office	Australia	Record low maximum temperature	18.1 C (64.6 F)	12 of 100 (Routine)
Alton	Canada	Record high minimum temperature	17.2 C (63.0 F)	12 of 100 (Routine)
Tartu	Estonia	Record high minimum temperature	16.0 C (60.8 F)	12 of 100 (Routine)
Kola-In-Murman	Russia	Record daily precipitation	9.3 mm (0.37 in)	12 of 100 (Routine)
Columbus Dardc	United States	Record daily precipitation	36.3 mm (1.4 in)	12 of 100 (Routine)
Plain Dealing	United States	Record high maximum temperature	38.9 C (102.0 F)	12 of 100 (Routine)
Woodville 4 ESE	United States	Record daily precipitation	18.8 mm (0.7 in)	12 of 100 (Routine)
Billings Wtp	United States	Record low minimum temperature	3.9 C (39.0 F)	12 of 100 (Routine)
Lusk 2 SW	United States	Record daily precipitation	0.3 mm (0.01 in)	12 of 100 (Routine)
Aberdare	Australia	Record daily precipitation	12.4 mm (0.5 in)	11 of 100 (Routine)
Scottsboro	United States	Record low minimum temperature	17.2 C (63.0 F)	11 of 100 (Routine)
Mt Hope	United States	Record daily precipitation	15.2 mm (0.6 in)	11 of 100 (Routine)
Paragonah	United States	Record low minimum temperature	5.6 C (42.1 F)	11 of 100 (Routine)
Havre Wb City	United States	Record daily precipitation	12.4 mm (0.5 in)	11 of 100 (Routine)
Fort Macleod	Canada	Record high minimum temperature	17.2 C (63.0 F)	10 of 100 (Routine)
Kon-Kolodez	Russia	Record high minimum temperature	16.9 C (62.4 F)	10 of 100 (Routine)
Fulton	United States	Record daily precipitation	58.4 mm (2.3 in)	10 of 100 (Routine)
Lake Charles Chenault	United States	Record high maximum temperature	38.3 C (100.9 F)	10 of 100 (Routine)
Storlien	Sweden	Record daily precipitation	19.9 mm (0.8 in)	9 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record high maximum temperature	34.4 C (93.9 F)	9 of 100 (Routine)
Bozeman Montana State UNIV	United States	Record low minimum temperature	1.7 C (35.1 F)	9 of 100 (Routine)
Little Mtn	United States	Record high maximum temperature	37.8 C (100.0 F)	9 of 100 (Routine)
Charters Towers Post Office	Australia	Record low maximum temperature	22.2 C (72.0 F)	8 of 100 (Routine)
Lien I Selbu	Norway	Record daily precipitation	19.4 mm (0.8 in)	8 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record daily precipitation	17.6 mm (0.7 in)	8 of 100 (Routine)
Havre Wb City	United States	Record low maximum temperature	15.6 C (60.1 F)	8 of 100 (Routine)
Norwich	United States	Record daily precipitation	19.8 mm (0.8 in)	7 of 100 (Routine)
Corvallis State UNIV	United States	Record high minimum temperature	17.2 C (63.0 F)	7 of 100 (Routine)

Counts by Type and Timescale

91 records

Records set or tied on 15 August 1925 by type: Highest daily maximum 16, Lowest daily maximum 11, Highest daily minimum 21, Lowest daily minimum 12, Heaviest daily rainfall 31.

Records on 15 August 1925 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	11
Highest daily minimum	21
Lowest daily minimum	12
Heaviest daily rainfall	31
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1925 by timescale: all-time 1, monthly 0, daily 90.

How Much Records Were Beaten By

68 broken records

Margins by which the 68 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 34.8. Ties are not counted.

Top 20 by Significance

15 August 1925

Top 20 records on 15 August 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1925	Grenola 1 N, US	daily rain	57.2 mm (2.3 in)	34.8 mm (1.4 in)	12 years	31 of 100 (Routine)
15 August 1925	Tarpon Spgs Sewage Plt, US	daily high min	27.2 C (81.0 F)	1.6 C (2.9 F)	25 years	22 of 100 (Routine)
15 August 1925	Winfield 3NE, US	daily rain	28.4 mm (1.1 in)	22.3 mm (0.9 in)	22 years	21 of 100 (Routine)
15 August 1925	Teriberka, RU	daily rain	15.1 mm (0.6 in)	6.9 mm (0.27 in)	31 years	20 of 100 (Routine)
15 August 1925	Mein Station, AU	daily rain	2.8 mm (0.11 in)	2.8 mm (0.11 in)	36 years	20 of 100 (Routine)
15 August 1925	Medicine Lodge, US	daily rain	17.3 mm (0.7 in)	13.2 mm (0.5 in)	31 years	20 of 100 (Routine)
15 August 1925	Helena Wb City, US	daily low max	13.3 C (55.9 F)	5.6 C (10.1 F)	20 years	20 of 100 (Routine)
15 August 1925	Galway, IE	daily low min	6.1 C (43.0 F)	0.6 C (1.1 F)	37 years	19 of 100 (Routine)
15 August 1925	Hutchinson River, US	daily rain	31.0 mm (1.2 in)	21.1 mm (0.8 in)	8 years	19 of 100 (Routine)
15 August 1925	Zametchino, RU	daily high min	15.5 C (59.9 F)	1.8 C (3.2 F)	30 years	18 of 100 (Routine)
15 August 1925	Bartow 1SE, US	daily high max	36.7 C (98.1 F)	1.1 C (2.0 F)	31 years	18 of 100 (Routine)
15 August 1925	Mardie, AU	daily rain	2.0 mm (0.08 in)	2.0 mm (0.08 in)	39 years	17 of 100 (Routine)
15 August 1925	Woodburn Post Office, AU	daily rain	24.4 mm (1.0 in)	14.7 mm (0.6 in)	23 years	17 of 100 (Routine)
15 August 1925	Kargopol, RU	daily high min	16.6 C (61.9 F)	1.2 C (2.2 F)	34 years	17 of 100 (Routine)
15 August 1925	Eutawville, US	daily high min	24.4 C (75.9 F)	1.1 C (2.0 F)	30 years	17 of 100 (Routine)
15 August 1925	Oberlin, US	daily rain	23.9 mm (0.9 in)	7.4 mm (0.29 in)	27 years	16 of 100 (Routine)
15 August 1925	Butte Bert Mooney AP, US	daily low max	12.8 C (55.0 F)	3.9 C (7.0 F)	18 years	16 of 100 (Routine)
15 August 1925	Anticosti SW Point, CA	daily high min	15.0 C (59.0 F)	0.6 C (1.1 F)	30 years	15 of 100 (Routine)
15 August 1925	St. Petersburg, RU	daily high min	16.6 C (61.9 F)	0.5 C (0.9 F)	34 years	15 of 100 (Routine)
15 August 1925	Granite Reef Dam, US	daily high min	31.7 C (89.1 F)	1.1 C (2.0 F)	30 years	15 of 100 (Routine)

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

1793 to 1925

Records set or tied on this calendar date in each year from 1793 to 1925. 1925 had 91 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 1925-08-15: 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	55
5 to 10	6
10 to 15	4
15 to 20	0
20 to 25	2
25 to 30	0
30 to 35	1