Weather Records on 25 August 2017

432 weather records were set or tied worldwide on 25 August 2017. Highest significance: Mangum, US.

Key Facts for 25 August 2017

On 25 August 2017, 432 weather records were set or tied at long-record stations worldwide.
186 were record highs and 131 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 421 daily.
Mangum set a daily record precipitation of 97.8 mm (3.9 in) on 25 August 2017.
Across 168 earlier years (1796 to 2026) the same calendar date averaged 437 records.

Record Map

432 stations

432 station records on 25 August 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 August 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mangum	United States	Record daily precipitation	97.8 mm (3.9 in)	63 of 100 (Major)
Schulenburg	United States	Record daily precipitation	102.1 mm (4.0 in)	61 of 100 (Major)
Segen-Kyuel	Russia	Record daily precipitation	62.4 mm (2.5 in)	56 of 100 (Notable)
Ganzhou	China	Record daily precipitation	139.4 mm (5.5 in)	55 of 100 (Notable)
Altus Dam	United States	Record daily precipitation	75.4 mm (3.0 in)	55 of 100 (Notable)
Weatherford	United States	Record daily precipitation	58.9 mm (2.3 in)	50 of 100 (Notable)
Sola/Vanua Lava Isl	Vanuatu	Record daily precipitation	199.9 mm (7.9 in)	49 of 100 (Notable)
Odessa	United States	Record daily precipitation	60.5 mm (2.4 in)	47 of 100 (Notable)
Ft Myers Page Fld AP	United States	Record daily precipitation	138.2 mm (5.4 in)	45 of 100 (Notable)
Neukirchen-Hauptschwenda	Germany	Record daily precipitation	40.7 mm (1.6 in)	44 of 100 (Notable)
Pitea	Sweden	Record low maximum temperature	9.0 C (48.2 F)	44 of 100 (Notable)
Gonzales 2S	United States	Record daily precipitation	95.3 mm (3.8 in)	44 of 100 (Notable)
Putnam	United States	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Kr. Marburg-Biedenkopf Colbe	Germany	Record daily precipitation	26.4 mm (1.0 in)	43 of 100 (Notable)
Melsungen-Burstoss	Germany	Record daily precipitation	25.7 mm (1.0 in)	43 of 100 (Notable)
Tucumcari 4 NE	United States	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
Meiningen	Germany	Record daily precipitation	27.7 mm (1.1 in)	42 of 100 (Notable)
Greenville 2 NNE	United States	Record low minimum temperature	4.4 C (39.9 F)	42 of 100 (Notable)
Cleburne	United States	Record daily precipitation	34.8 mm (1.4 in)	42 of 100 (Notable)
Galveston Scholes Fld	United States	Record daily precipitation	71.1 mm (2.8 in)	42 of 100 (Notable)
Jokkmokk	Sweden	Record low maximum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Kanazawa	Japan	Record daily precipitation	66.5 mm (2.6 in)	39 of 100 (Notable)
Swan Falls Ph	United States	Record high minimum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Nemuro	Japan	Record high maximum temperature	29.3 C (84.7 F)	38 of 100 (Notable)
Onslow Airport	Australia	Record high minimum temperature	20.9 C (69.6 F)	37 of 100 (Notable)
Schmucke	Germany	Record daily precipitation	40.9 mm (1.6 in)	37 of 100 (Notable)
Ust Tzilma	Russia	Record high minimum temperature	17.9 C (64.2 F)	37 of 100 (Notable)
Milford Gm Proving Ground	United States	Record low minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Luling	United States	Record daily precipitation	43.7 mm (1.7 in)	37 of 100 (Notable)
Strawn 8 NNE	United States	Record daily precipitation	58.4 mm (2.3 in)	37 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	24.3 C (75.7 F)	36 of 100 (Notable)
Three Rivers	United States	Record low maximum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Isfjord Radio	Norway	Record high minimum temperature	5.8 C (42.4 F)	35 of 100 (Notable)
Standish 4NE	United States	Record low maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Marion	United States	Record daily precipitation	53.8 mm (2.1 in)	35 of 100 (Notable)
Baise	China	Record daily precipitation	62.7 mm (2.5 in)	34 of 100 (Routine)
Potlatch 3 NNE	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Tatum	United States	Record daily precipitation	28.7 mm (1.1 in)	34 of 100 (Routine)
Freer	United States	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Pervomajskoe	Russia	Record high minimum temperature	15.4 C (59.7 F)	33 of 100 (Routine)
Jackson Reynolds Fld	United States	Record low minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Hobart Muni AP	United States	Record daily precipitation	100.3 mm (3.9 in)	33 of 100 (Routine)
Jian	China	Record daily precipitation	39.6 mm (1.6 in)	32 of 100 (Routine)
Akita	Japan	Record daily precipitation	102.6 mm (4.0 in)	31 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record high maximum temperature	31.3 C (88.3 F)	31 of 100 (Routine)
Roosevelt Roads	Puerto Rico [United States]	Record high minimum temperature	27.8 C (82.0 F)	31 of 100 (Routine)
Tajga	Russia	Record high minimum temperature	13.5 C (56.3 F)	31 of 100 (Routine)
Yellow Jacket 2W	United States	Record low minimum temperature	3.9 C (39.0 F)	31 of 100 (Routine)
Giddings 5E	United States	Record daily precipitation	115.1 mm (4.5 in)	31 of 100 (Routine)
Houston Intercontinental AP	United States	Record low maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Niigata	Japan	Record daily precipitation	53.6 mm (2.1 in)	29 of 100 (Routine)
Sredhekolymsk	Russia	Record high maximum temperature	25.9 C (78.6 F)	29 of 100 (Routine)
Gainesville 5 ENE	United States	Record daily precipitation	58.4 mm (2.3 in)	29 of 100 (Routine)
Palacios Muni AP	United States	Record daily precipitation	157.7 mm (6.2 in)	29 of 100 (Routine)
Ellensburg Bowers Fld	United States	Record low minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Port Hedland Airport	Australia	Record high maximum temperature	36.4 C (97.5 F)	28 of 100 (Routine)
Chongqing	China	Record daily precipitation	46.5 mm (1.8 in)	28 of 100 (Routine)
Choshi	Japan	Record high maximum temperature	33.3 C (91.9 F)	28 of 100 (Routine)
Miyakejima	Japan	Record high minimum temperature	27.6 C (81.7 F)	28 of 100 (Routine)
Aburatsu	Japan	Record high minimum temperature	27.9 C (82.2 F)	28 of 100 (Routine)

Counts by Type and Timescale

432 records

Records set or tied on 25 August 2017 by type: Highest daily maximum 73, Lowest daily maximum 69, Highest daily minimum 113, Lowest daily minimum 62, Heaviest daily rainfall 115.

Records on 25 August 2017 by type
Record type	Records
Highest daily maximum	73
Lowest daily maximum	69
Highest daily minimum	113
Lowest daily minimum	62
Heaviest daily rainfall	115
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 August 2017 by timescale: all-time 1, monthly 10, daily 421.

How Much Records Were Beaten By

358 broken records

Margins by which the 358 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.0. Ties are not counted.

Top 20 by Significance

25 August 2017

Top 20 records on 25 August 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 2017	Mangum, US	daily rain	97.8 mm (3.9 in)	62.7 mm (2.5 in)	56 years	63 of 100 (Major)
25 August 2017	Schulenburg, US	daily rain	102.1 mm (4.0 in)	69.3 mm (2.7 in)	51 years	61 of 100 (Major)
25 August 2017	Segen-Kyuel, RU	daily rain	62.4 mm (2.5 in)	45.8 mm (1.8 in)	28 years	56 of 100 (Notable)
25 August 2017	Ganzhou, CN	daily rain	139.4 mm (5.5 in)	70.1 mm (2.8 in)	32 years	55 of 100 (Notable)
25 August 2017	Altus Dam, US	daily rain	75.4 mm (3.0 in)	56.1 mm (2.2 in)	38 years	55 of 100 (Notable)
25 August 2017	Weatherford, US	daily rain	58.9 mm (2.3 in)	23.3 mm (0.9 in)	87 years	50 of 100 (Notable)
25 August 2017	Sola/Vanua Lava Isl, VU	daily rain	199.9 mm (7.9 in)	140.0 mm (5.5 in)	12 years	49 of 100 (Notable)
25 August 2017	Odessa, US	daily rain	60.5 mm (2.4 in)	37.9 mm (1.5 in)	48 years	47 of 100 (Notable)
25 August 2017	Ft Myers Page Fld AP, US	daily rain	138.2 mm (5.4 in)	47.5 mm (1.9 in)	22 years	45 of 100 (Notable)
25 August 2017	Neukirchen-Hauptschwenda, DE	daily rain	40.7 mm (1.6 in)	7.7 mm (0.30 in)	86 years	44 of 100 (Notable)
25 August 2017	Pitea, SE	daily low max	9.0 C (48.2 F)	1.5 C (2.7 F)	121 years	44 of 100 (Notable)
25 August 2017	Gonzales 2S, US	daily rain	95.3 mm (3.8 in)	49.6 mm (2.0 in)	51 years	44 of 100 (Notable)
25 August 2017	Putnam, US	daily rain	35.6 mm (1.4 in)	7.9 mm (0.31 in)	106 years	44 of 100 (Notable)
25 August 2017	Kr. Marburg-Biedenkopf Colbe, DE	daily rain	26.4 mm (1.0 in)	12.5 mm (0.5 in)	63 years	43 of 100 (Notable)
25 August 2017	Melsungen-Burstoss, DE	daily rain	25.7 mm (1.0 in)	12.9 mm (0.5 in)	63 years	43 of 100 (Notable)
25 August 2017	Tucumcari 4 NE, US	daily rain	58.4 mm (2.3 in)	4.6 mm (0.18 in)	106 years	43 of 100 (Notable)
25 August 2017	Meiningen, DE	daily rain	27.7 mm (1.1 in)	19.4 mm (0.8 in)	22 years	42 of 100 (Notable)
25 August 2017	Greenville 2 NNE, US	daily low min	4.4 C (39.9 F)	1.2 C (2.2 F)	100 years	42 of 100 (Notable)
25 August 2017	Cleburne, US	daily rain	34.8 mm (1.4 in)	12.2 mm (0.5 in)	87 years	42 of 100 (Notable)
25 August 2017	Galveston Scholes Fld, US	daily rain	71.1 mm (2.8 in)	32.2 mm (1.3 in)	70 years	42 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 2017

Records set or tied on this calendar date in each year from 1796 to 2017. 2017 had 432 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 2017-08-25: 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 2026-10-15 (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 20	332
20 to 40	18
40 to 60	4
60 to 80	3
80 to 100	0
100 to 120	0
120 to 140	1