Weather Records on 25 August 2009

824 weather records were set or tied worldwide on 25 August 2009. Highest significance: Kanmantoo, AU.

Key Facts for 25 August 2009

On 25 August 2009, 824 weather records were set or tied at long-record stations worldwide.
373 were record highs and 309 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 31 monthly and 793 daily.
Kanmantoo set a daily record precipitation of 30.8 mm (1.2 in) on 25 August 2009.
Across 168 earlier years (1796 to 2026) the same calendar date averaged 435 records.

Record Map

824 stations

824 station records on 25 August 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 August 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kanmantoo	Australia	Record daily precipitation	30.8 mm (1.2 in)	50 of 100 (Notable)
Cape Barren Island (Cape Barre	Australia	Record daily precipitation	26.0 mm (1.0 in)	50 of 100 (Notable)
Rastatt	Germany	Record daily precipitation	39.0 mm (1.5 in)	44 of 100 (Notable)
Ixtlan del Rio	Mexico	Record daily precipitation	62.0 mm (2.4 in)	44 of 100 (Notable)
Quiriego (Smn)	Mexico	Record low minimum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Leavenworth 3 S	United States	Record high minimum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Collins	United States	Record low minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Elk	United States	Record high minimum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Tan Son Hoa	Vietnam	Record daily precipitation	130.8 mm (5.1 in)	42 of 100 (Notable)
Louisville	United States	Record low maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Mountainair	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Mobile Dwtn AP	United States	Record low minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Yamba Pilot Station	Australia	Record high minimum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Gonzalez	Mexico	Record low minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Hool	Mexico	Record daily precipitation	85.3 mm (3.4 in)	39 of 100 (Notable)
Troy	United States	Record low minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Wynne	United States	Record low maximum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Jemez Springs	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Ketchikan AP	United States	Record low maximum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Avenue (Downer)	Australia	Record daily precipitation	37.0 mm (1.5 in)	38 of 100 (Notable)
Kazalinsk	Kazakhstan	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Bely Island	Russia	Record high maximum temperature	19.9 C (67.8 F)	38 of 100 (Notable)
Ericson 8 WNW	United States	Record daily precipitation	81.3 mm (3.2 in)	38 of 100 (Notable)
Prospect Hill	Australia	Record daily precipitation	40.8 mm (1.6 in)	37 of 100 (Notable)
Amberley AMO	Australia	Record high minimum temperature	19.8 C (67.6 F)	37 of 100 (Notable)
Casino Airport	Australia	Record high maximum temperature	32.7 C (90.9 F)	37 of 100 (Notable)
Akhty	Russia	Record low minimum temperature	8.1 C (46.6 F)	37 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Warburton (O'Shannassy Reservo	Australia	Record daily precipitation	41.8 mm (1.6 in)	36 of 100 (Notable)
Albuquerque Intl AP	United States	Record low maximum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Coffs Harbour Mo	Australia	Record high maximum temperature	31.1 C (88.0 F)	35 of 100 (Notable)
Lancefield	Australia	Record daily precipitation	28.2 mm (1.1 in)	35 of 100 (Notable)
Perpignan	France	Record high minimum temperature	23.4 C (74.1 F)	35 of 100 (Notable)
Cerro de Ortega	Mexico	Record daily precipitation	93.0 mm (3.7 in)	35 of 100 (Notable)
Basel Binningen	Switzerland	Record high minimum temperature	19.2 C (66.6 F)	35 of 100 (Notable)
Fairhope 2 NE	United States	Record low minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Pinnacles Np	United States	Record low minimum temperature	-0.6 C (30.9 F)	35 of 100 (Notable)
Amberley AMO	Australia	Record high maximum temperature	33.7 C (92.7 F)	34 of 100 (Routine)
Yamba Pilot Station	Australia	Record high maximum temperature	32.4 C (90.3 F)	34 of 100 (Routine)
Lauriston Reservoir	Australia	Record daily precipitation	26.0 mm (1.0 in)	34 of 100 (Routine)
Zaragoza (Smn)	Mexico	Record high maximum temperature	42.8 C (109.0 F)	34 of 100 (Routine)
El Arenal	Mexico	Record low minimum temperature	3.9 C (39.0 F)	34 of 100 (Routine)
Highland Home	United States	Record low minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Rockhampton Aero	Australia	Record high maximum temperature	33.5 C (92.3 F)	33 of 100 (Routine)
Yanakie (Shallow Inlet)	Australia	Record daily precipitation	25.2 mm (1.0 in)	33 of 100 (Routine)
Danmarkshavn	Greenland [Denmark]	Record low minimum temperature	-7.6 C (18.3 F)	33 of 100 (Routine)
El Mezquital KM. 150	Mexico	Record low minimum temperature	6.7 C (44.1 F)	33 of 100 (Routine)
Magdalena	Mexico	Record high minimum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Tallahassee	United States	Record low minimum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Alstonville Tropical Fruit Res	Australia	Record high minimum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
San Nicolas Is	United States	Record high maximum temperature	36.1 C (97.0 F)	32 of 100 (Routine)
Glen Innes Post Office	Australia	Record high minimum temperature	15.1 C (59.2 F)	31 of 100 (Routine)
Glen Innes Ag Research STN	Australia	Record high minimum temperature	14.5 C (58.1 F)	31 of 100 (Routine)
South West Rocks (Smoky Cape L	Australia	Record high minimum temperature	19.0 C (66.2 F)	31 of 100 (Routine)
Santa Rita	Mexico	Record high maximum temperature	32.8 C (91.0 F)	31 of 100 (Routine)
Presa la Calera	Mexico	Record low minimum temperature	17.8 C (64.0 F)	31 of 100 (Routine)
Tecolotlan (Dge)	Mexico	Record low minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Salekhard	Russia	Record high minimum temperature	16.3 C (61.3 F)	31 of 100 (Routine)
Ischim Amsg	Russia	Record high minimum temperature	19.0 C (66.2 F)	31 of 100 (Routine)
Ust-Hairyuzovo	Russia	Record high minimum temperature	12.2 C (54.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

824 records

Records set or tied on 25 August 2009 by type: Highest daily maximum 206, Lowest daily maximum 94, Highest daily minimum 167, Lowest daily minimum 215, Heaviest daily rainfall 142.

Records on 25 August 2009 by type
Record type	Records
Highest daily maximum	206
Lowest daily maximum	94
Highest daily minimum	167
Lowest daily minimum	215
Heaviest daily rainfall	142
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 August 2009 by timescale: all-time 0, monthly 31, daily 793.

How Much Records Were Beaten By

568 broken records

Margins by which the 568 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 44.7. Ties are not counted.

Top 20 by Significance

25 August 2009

Top 20 records on 25 August 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 2009	Kanmantoo, AU	daily rain	30.8 mm (1.2 in)	12.3 mm (0.5 in)	54 years	50 of 100 (Notable)
25 August 2009	Cape Barren Island (Cape Barre, AU	daily rain	26.0 mm (1.0 in)	9.0 mm (0.35 in)	88 years	50 of 100 (Notable)
25 August 2009	Rastatt, DE	daily rain	39.0 mm (1.5 in)	26.8 mm (1.1 in)	4 years	44 of 100 (Notable)
25 August 2009	Ixtlan del Rio, MX	daily rain	62.0 mm (2.4 in)	23.1 mm (0.9 in)	64 years	44 of 100 (Notable)
25 August 2009	Quiriego (Smn), MX	daily low min	17.8 C (64.0 F)	2.2 C (4.0 F)	80 years	43 of 100 (Notable)
25 August 2009	Leavenworth 3 S, US	daily high min	19.4 C (66.9 F)	2.7 C (4.9 F)	88 years	43 of 100 (Notable)
25 August 2009	Collins, US	daily low min	14.4 C (57.9 F)	1.2 C (2.2 F)	96 years	42 of 100 (Notable)
25 August 2009	Elk, US	daily high min	16.1 C (61.0 F)	0.5 C (0.9 F)	110 years	42 of 100 (Notable)
25 August 2009	Tan Son Hoa, VN	monthly rain	130.8 mm (5.1 in)	37.8 mm (1.5 in)	11 years	42 of 100 (Notable)
25 August 2009	Louisville, US	daily low max	26.1 C (79.0 F)	0.6 C (1.1 F)	96 years	41 of 100 (Notable)
25 August 2009	Mountainair, US	daily low max	20.6 C (69.1 F)	0.5 C (0.9 F)	107 years	41 of 100 (Notable)
25 August 2009	Mobile Dwtn AP, US	daily low min	17.8 C (64.0 F)	2.8 C (5.0 F)	60 years	41 of 100 (Notable)
25 August 2009	Yamba Pilot Station, AU	monthly high min	20.6 C (69.1 F)	2.4 C (4.3 F)	52 years	40 of 100 (Notable)
25 August 2009	Gonzalez, MX	daily low min	16.7 C (62.1 F)	3.9 C (7.0 F)	16 years	40 of 100 (Notable)
25 August 2009	Hool, MX	daily rain	85.3 mm (3.4 in)	44.7 mm (1.8 in)	32 years	39 of 100 (Notable)
25 August 2009	Troy, US	daily low min	15.6 C (60.1 F)	1.1 C (2.0 F)	78 years	39 of 100 (Notable)
25 August 2009	Wynne, US	daily low max	26.7 C (80.1 F)	0.5 C (0.9 F)	94 years	39 of 100 (Notable)
25 August 2009	Jemez Springs, US	daily low max	20.6 C (69.1 F)	0.5 C (0.9 F)	94 years	39 of 100 (Notable)
25 August 2009	Ketchikan AP, US	daily low max	12.8 C (55.0 F)	0.5 C (0.9 F)	96 years	39 of 100 (Notable)
25 August 2009	Avenue (Downer), AU	daily rain	37.0 mm (1.5 in)	16.0 mm (0.6 in)	26 years	38 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 2009

Records set or tied on this calendar date in each year from 1796 to 2009. 2009 had 824 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 2009-08-25: 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	544
10 to 20	14
20 to 30	6
30 to 40	3
40 to 50	1