Weather Records on 17 August 1925

130 weather records were set or tied worldwide on 17 August 1925. Highest significance: Zametchino, RU.

Key Facts for 17 August 1925

On 17 August 1925, 130 weather records were set or tied at long-record stations worldwide.
63 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 0 monthly and 129 daily.
Zametchino set a daily record precipitation of 60.2 mm (2.4 in) on 17 August 1925.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 476 records.

Record Map

130 stations

130 station records on 17 August 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Zametchino	Russia	Record daily precipitation	60.2 mm (2.4 in)	48 of 100 (Notable)
Maryville 2E	United States	Record daily precipitation	99.1 mm (3.9 in)	46 of 100 (Notable)
Oregon	United States	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
Pakri	Estonia	Record daily precipitation	30.4 mm (1.2 in)	32 of 100 (Routine)
Irkutsk	Russia	Record daily precipitation	28.3 mm (1.1 in)	32 of 100 (Routine)
Conception	United States	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Melbourne Regional Office	Australia	Record high minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Grant City	United States	Record daily precipitation	46.5 mm (1.8 in)	27 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record high minimum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Umea	Sweden	Record daily precipitation	35.5 mm (1.4 in)	24 of 100 (Routine)
Mt Ayr	United States	Record daily precipitation	34.8 mm (1.4 in)	22 of 100 (Routine)
Buffalo	United States	Record high maximum temperature	31.7 C (89.1 F)	22 of 100 (Routine)
Charlottetown	Canada	Record high maximum temperature	27.2 C (81.0 F)	21 of 100 (Routine)
Holmogadd A	Sweden	Record daily precipitation	26.6 mm (1.0 in)	21 of 100 (Routine)
Bobundara	Australia	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Juanbung	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Moyston	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Victoria Valley	Australia	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
Atchison	United States	Record daily precipitation	38.9 mm (1.5 in)	20 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record high minimum temperature	11.7 C (53.1 F)	19 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	11.4 C (52.5 F)	18 of 100 (Routine)
Lakefield	Canada	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Ekaterinburg	Russia	Record high maximum temperature	33.2 C (91.8 F)	18 of 100 (Routine)
Ericson 8 WNW	United States	Record daily precipitation	29.5 mm (1.2 in)	18 of 100 (Routine)
Oelrichs	United States	Record high minimum temperature	21.7 C (71.1 F)	18 of 100 (Routine)
Rocky Mt	United States	Record low minimum temperature	12.2 C (54.0 F)	18 of 100 (Routine)
Woolgoolga (Clear Place)	Australia	Record daily precipitation	31.8 mm (1.3 in)	17 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	30.6 C (87.1 F)	17 of 100 (Routine)
Yazoo City	United States	Record low minimum temperature	18.3 C (64.9 F)	17 of 100 (Routine)
Fayette	United States	Record daily precipitation	33.8 mm (1.3 in)	17 of 100 (Routine)
Warroo	Australia	Record daily precipitation	16.3 mm (0.6 in)	16 of 100 (Routine)
Pomonal Windy Ridge	Australia	Record daily precipitation	15.2 mm (0.6 in)	16 of 100 (Routine)
Oakbank	Canada	Record daily precipitation	30.5 mm (1.2 in)	16 of 100 (Routine)
Savanne	Canada	Record daily precipitation	13.5 mm (0.5 in)	16 of 100 (Routine)
Kirov	Russia	Record high minimum temperature	18.2 C (64.8 F)	16 of 100 (Routine)
Ashland	United States	Record low minimum temperature	10.0 C (50.0 F)	16 of 100 (Routine)
Aberdeen	United States	Record high minimum temperature	15.6 C (60.1 F)	16 of 100 (Routine)
Fergus Falls	United States	Record high maximum temperature	38.3 C (100.9 F)	15 of 100 (Routine)
Flandreau	United States	Record high maximum temperature	34.4 C (93.9 F)	15 of 100 (Routine)
Melrose Plains	Australia	Record daily precipitation	11.4 mm (0.4 in)	14 of 100 (Routine)
Balmoral (Post Office)	Australia	Record daily precipitation	9.4 mm (0.37 in)	14 of 100 (Routine)
Trenton	United States	Record daily precipitation	22.4 mm (0.9 in)	14 of 100 (Routine)
Forestburg 4 NNE	United States	Record high maximum temperature	36.7 C (98.1 F)	14 of 100 (Routine)
Marshall	United States	Record daily precipitation	51.8 mm (2.0 in)	14 of 100 (Routine)
Edenhope (Post Office)	Australia	Record daily precipitation	9.7 mm (0.38 in)	13 of 100 (Routine)
Mirranatwa (Bullawin Park)	Australia	Record daily precipitation	8.1 mm (0.32 in)	13 of 100 (Routine)
Micurinsk	Russia	Record daily precipitation	7.6 mm (0.30 in)	13 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	16.5 C (61.7 F)	13 of 100 (Routine)
Tomsk	Russia	Record daily precipitation	9.8 mm (0.39 in)	13 of 100 (Routine)
Storlien	Sweden	Record daily precipitation	20.6 mm (0.8 in)	13 of 100 (Routine)
Valley Head	United States	Record high minimum temperature	23.3 C (73.9 F)	13 of 100 (Routine)
Lamar	United States	Record low minimum temperature	10.6 C (51.1 F)	13 of 100 (Routine)
Clarinda	United States	Record daily precipitation	60.5 mm (2.4 in)	13 of 100 (Routine)
Olathe 3E	United States	Record high minimum temperature	23.9 C (75.0 F)	13 of 100 (Routine)
Port Gibson 1 NE	United States	Record low minimum temperature	18.3 C (64.9 F)	13 of 100 (Routine)
Brae Springs	Australia	Record daily precipitation	17.8 mm (0.7 in)	12 of 100 (Routine)
Halifax	Canada	Record high maximum temperature	30.0 C (86.0 F)	12 of 100 (Routine)
Granite Reef Dam	United States	Record high minimum temperature	29.4 C (84.9 F)	12 of 100 (Routine)
Afton	United States	Record daily precipitation	25.4 mm (1.0 in)	12 of 100 (Routine)
Boulia Airport	Australia	Record high minimum temperature	14.6 C (58.3 F)	11 of 100 (Routine)

Counts by Type and Timescale

130 records

Records set or tied on 17 August 1925 by type: Highest daily maximum 34, Lowest daily maximum 2, Highest daily minimum 29, Lowest daily minimum 14, Heaviest daily rainfall 51.

Records on 17 August 1925 by type
Record type	Records
Highest daily maximum	34
Lowest daily maximum	2
Highest daily minimum	29
Lowest daily minimum	14
Heaviest daily rainfall	51
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1925 by timescale: all-time 1, monthly 0, daily 129.

How Much Records Were Beaten By

97 broken records

Margins by which the 97 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.0. Ties are not counted.

Top 20 by Significance

17 August 1925

Top 20 records on 17 August 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1925	Zametchino, RU	daily rain	60.2 mm (2.4 in)	46.6 mm (1.8 in)	14 years	48 of 100 (Notable)
17 August 1925	Maryville 2E, US	daily rain	99.1 mm (3.9 in)	80.0 mm (3.1 in)	10 years	46 of 100 (Notable)
17 August 1925	Oregon, US	daily rain	62.2 mm (2.4 in)	48.5 mm (1.9 in)	28 years	42 of 100 (Notable)
17 August 1925	Pakri, EE	daily rain	30.4 mm (1.2 in)	13.8 mm (0.5 in)	24 years	32 of 100 (Routine)
17 August 1925	Irkutsk, RU	daily rain	28.3 mm (1.1 in)	16.1 mm (0.6 in)	22 years	32 of 100 (Routine)
17 August 1925	Conception, US	daily rain	44.5 mm (1.8 in)	35.6 mm (1.4 in)	15 years	30 of 100 (Routine)
17 August 1925	Melbourne Regional Office, AU	daily high min	13.9 C (57.0 F)	2.6 C (4.7 F)	44 years	29 of 100 (Routine)
17 August 1925	Grant City, US	daily rain	46.5 mm (1.8 in)	32.8 mm (1.3 in)	10 years	27 of 100 (Routine)
17 August 1925	Deniliquin (Wilkinson St), AU	daily high min	13.3 C (55.9 F)	2.7 C (4.9 F)	43 years	26 of 100 (Routine)
17 August 1925	Umea, SE	daily rain	35.5 mm (1.4 in)	4.4 mm (0.17 in)	43 years	24 of 100 (Routine)
17 August 1925	Mt Ayr, US	daily rain	34.8 mm (1.4 in)	15.7 mm (0.6 in)	26 years	22 of 100 (Routine)
17 August 1925	Buffalo, US	daily high max	31.7 C (89.1 F)	1.7 C (3.1 F)	40 years	22 of 100 (Routine)
17 August 1925	Charlottetown, CA	daily high max	27.2 C (81.0 F)	0.5 C (0.9 F)	50 years	21 of 100 (Routine)
17 August 1925	Holmogadd A, SE	daily rain	26.6 mm (1.0 in)	2.6 mm (0.10 in)	43 years	21 of 100 (Routine)
17 August 1925	Bobundara, AU	daily rain	14.7 mm (0.6 in)	10.9 mm (0.4 in)	24 years	20 of 100 (Routine)
17 August 1925	Juanbung, AU	daily rain	7.6 mm (0.30 in)	7.6 mm (0.30 in)	38 years	20 of 100 (Routine)
17 August 1925	Moyston, AU	daily rain	15.0 mm (0.6 in)	8.9 mm (0.35 in)	27 years	20 of 100 (Routine)
17 August 1925	Victoria Valley, AU	daily rain	11.2 mm (0.4 in)	4.8 mm (0.19 in)	36 years	20 of 100 (Routine)
17 August 1925	Atchison, US	daily rain	38.9 mm (1.5 in)	14.5 mm (0.6 in)	28 years	20 of 100 (Routine)
17 August 1925	Wagga Wagga (Kooringal), AU	daily high min	11.7 C (53.1 F)	0.6 C (1.1 F)	43 years	19 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

1797 to 1925

Records set or tied on this calendar date in each year from 1797 to 1925. 1925 had 130 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1925-08-17: 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 2026-10-15 (15 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 10	82
10 to 20	10
20 to 30	0
30 to 40	2
40 to 50	2
50 to 60	0
60 to 70	0
70 to 80	1