Weather Records on 14 August 2009

818 weather records were set or tied worldwide on 14 August 2009. Highest significance: Princeville Rch 1117, US.

Key Facts for 14 August 2009

On 14 August 2009, 818 weather records were set or tied at long-record stations worldwide.
452 were record highs and 194 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 52 monthly and 765 daily.
Princeville Rch 1117 set a daily record precipitation of 63.5 mm (2.5 in) on 14 August 2009.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 460 records.

Record Map

818 stations

818 station records on 14 August 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 14 August 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Princeville Rch 1117	United States	Record daily precipitation	63.5 mm (2.5 in)	68 of 100 (Major)
Lop Buri	Thailand	Record daily precipitation	164.6 mm (6.5 in)	66 of 100 (Major)
Koloa 936	United States	Record daily precipitation	56.4 mm (2.2 in)	66 of 100 (Major)
Wahiawa 930	United States	Record daily precipitation	71.1 mm (2.8 in)	62 of 100 (Major)
Brydeswood STN 985	United States	Record daily precipitation	106.2 mm (4.2 in)	58 of 100 (Notable)
Kaneohe 838.1	United States	Record daily precipitation	61.0 mm (2.4 in)	58 of 100 (Notable)
Mahaulepu 941.1	United States	Record daily precipitation	54.4 mm (2.1 in)	58 of 100 (Notable)
Makaweli 965	United States	Record daily precipitation	47.2 mm (1.9 in)	57 of 100 (Notable)
Waimea 947	United States	Record daily precipitation	84.8 mm (3.3 in)	55 of 100 (Notable)
Halenanaho 1006	United States	Record daily precipitation	97.8 mm (3.9 in)	54 of 100 (Notable)
Valke-Maarja	Estonia	Record daily precipitation	35.3 mm (1.4 in)	53 of 100 (Notable)
Presa la Calera	Mexico	Record low minimum temperature	15.0 C (59.0 F)	52 of 100 (Notable)
Bute: Rothesay	United Kingdom	Record daily precipitation	53.6 mm (2.1 in)	51 of 100 (Notable)
Pali Golf Course 788.1	United States	Record daily precipitation	69.1 mm (2.7 in)	51 of 100 (Notable)
Hebbronville	United States	Record high minimum temperature	30.0 C (86.0 F)	49 of 100 (Notable)
Hebbronville	United States	Record high maximum temperature	44.4 C (111.9 F)	48 of 100 (Notable)
Washington Sp	United States	Record high minimum temperature	28.3 C (82.9 F)	48 of 100 (Notable)
San Diego de Alejandria	Mexico	Record high minimum temperature	20.6 C (69.1 F)	47 of 100 (Notable)
Bangkok Metropolis	Thailand	Record daily precipitation	79.5 mm (3.1 in)	47 of 100 (Notable)
Mondovi	United States	Record daily precipitation	101.9 mm (4.0 in)	47 of 100 (Notable)
Donnybrook	Australia	Record daily precipitation	43.0 mm (1.7 in)	46 of 100 (Notable)
Maksatiha	Russia	Record daily precipitation	32.7 mm (1.3 in)	45 of 100 (Notable)
Jordan	United States	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Eleele 927	United States	Record daily precipitation	81.3 mm (3.2 in)	45 of 100 (Notable)
Trout Creek	United States	Record daily precipitation	33.0 mm (1.3 in)	44 of 100 (Notable)
Judith Gap	United States	Record daily precipitation	44.5 mm (1.8 in)	43 of 100 (Notable)
Ft Sumner	United States	Record high minimum temperature	21.7 C (71.1 F)	43 of 100 (Notable)
Metapa de Dominguez	Mexico	Record daily precipitation	87.9 mm (3.5 in)	42 of 100 (Notable)
Willcox	United States	Record low maximum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Missoula 6 NW WFO	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Daniel Z Romualdez	Philippines	Record daily precipitation	134.4 mm (5.3 in)	41 of 100 (Notable)
Payette	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Jacksonville NAS	United States	Record daily precipitation	99.6 mm (3.9 in)	41 of 100 (Notable)
Newport	United States	Record low maximum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Benmore: Younger Botanic Garde	United Kingdom	Record daily precipitation	74.1 mm (2.9 in)	39 of 100 (Notable)
Colville	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Tbilisi	Georgia	Record low maximum temperature	21.6 C (70.9 F)	37 of 100 (Notable)
Tiruchchirapalli	India	Record daily precipitation	34.0 mm (1.3 in)	37 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	31.8 C (89.2 F)	36 of 100 (Notable)
Kirup	Australia	Record daily precipitation	32.4 mm (1.3 in)	36 of 100 (Notable)
Puebla (Dge)	Mexico	Record high maximum temperature	31.1 C (88.0 F)	36 of 100 (Notable)
Niamey Aero	Niger	Record low minimum temperature	18.8 C (65.8 F)	35 of 100 (Notable)
Auchincruive	United Kingdom	Record daily precipitation	28.0 mm (1.1 in)	35 of 100 (Notable)
Presa Villa Victoria	Mexico	Record high maximum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Ft Grant	United States	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Babb 6 NE	United States	Record low minimum temperature	-1.1 C (30.0 F)	34 of 100 (Routine)
Trident	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Kanalohuluhulu 1075	United States	Record high minimum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Los Castillos	Mexico	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Atotonilco El Alto	Mexico	Record high maximum temperature	32.2 C (90.0 F)	33 of 100 (Routine)
Zapopan	Mexico	Record high minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Black Rvr Pumps	United States	Record low maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Imperial Beach Ream Fld NAS	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Danmarkshavn	Greenland [Denmark]	Record low minimum temperature	-6.7 C (19.9 F)	32 of 100 (Routine)
Zapopan	Mexico	Record high maximum temperature	35.0 C (95.0 F)	32 of 100 (Routine)
Tepelmeme de Morelos	Mexico	Record high minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Bolshoj Ushkanij Ostrov	Russia	Record daily precipitation	37.6 mm (1.5 in)	32 of 100 (Routine)
Dushanbe	Tajikistan	Record high maximum temperature	40.4 C (104.7 F)	32 of 100 (Routine)
Winona	United States	Record high minimum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Coulee Dam 1 SW	United States	Record low minimum temperature	7.2 C (45.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

818 records

Records set or tied on 14 August 2009 by type: Highest daily maximum 332, Lowest daily maximum 93, Highest daily minimum 120, Lowest daily minimum 101, Heaviest daily rainfall 172.

Records on 14 August 2009 by type
Record type	Records
Highest daily maximum	332
Lowest daily maximum	93
Highest daily minimum	120
Lowest daily minimum	101
Heaviest daily rainfall	172
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 14 August 2009 by timescale: all-time 1, monthly 52, daily 765.

How Much Records Were Beaten By

570 broken records

Margins by which the 570 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.7. Ties are not counted.

Top 20 by Significance

14 August 2009

Top 20 records on 14 August 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 August 2009	Princeville Rch 1117, US	daily rain	63.5 mm (2.5 in)	41.7 mm (1.6 in)	70 years	68 of 100 (Major)
14 August 2009	Lop Buri, TH	monthly rain	164.6 mm (6.5 in)	68.9 mm (2.7 in)	37 years	66 of 100 (Major)
14 August 2009	Koloa 936, US	daily rain	56.4 mm (2.2 in)	35.1 mm (1.4 in)	54 years	66 of 100 (Major)
14 August 2009	Wahiawa 930, US	daily rain	71.1 mm (2.8 in)	59.2 mm (2.3 in)	54 years	62 of 100 (Major)
14 August 2009	Brydeswood STN 985, US	monthly rain	106.2 mm (4.2 in)	36.1 mm (1.4 in)	11 years	58 of 100 (Notable)
14 August 2009	Kaneohe 838.1, US	daily rain	61.0 mm (2.4 in)	15.5 mm (0.6 in)	96 years	58 of 100 (Notable)
14 August 2009	Mahaulepu 941.1, US	daily rain	54.4 mm (2.1 in)	44.7 mm (1.8 in)	28 years	58 of 100 (Notable)
14 August 2009	Makaweli 965, US	daily rain	47.2 mm (1.9 in)	30.9 mm (1.2 in)	70 years	57 of 100 (Notable)
14 August 2009	Waimea 947, US	daily rain	84.8 mm (3.3 in)	75.7 mm (3.0 in)	32 years	55 of 100 (Notable)
14 August 2009	Halenanaho 1006, US	daily rain	97.8 mm (3.9 in)	74.9 mm (2.9 in)	28 years	54 of 100 (Notable)
14 August 2009	Valke-Maarja, EE	daily rain	35.3 mm (1.4 in)	30.0 mm (1.2 in)	39 years	53 of 100 (Notable)
14 August 2009	Presa la Calera, MX	daily low min	15.0 C (59.0 F)	5.0 C (9.0 F)	32 years	52 of 100 (Notable)
14 August 2009	Bute: Rothesay, GB	daily rain	53.6 mm (2.1 in)	27.2 mm (1.1 in)	44 years	51 of 100 (Notable)
14 August 2009	Pali Golf Course 788.1, US	daily rain	69.1 mm (2.7 in)	52.6 mm (2.1 in)	28 years	51 of 100 (Notable)
14 August 2009	Hebbronville, US	daily high min	30.0 C (86.0 F)	3.9 C (7.0 F)	44 years	49 of 100 (Notable)
14 August 2009	Hebbronville, US	daily high max	44.4 C (111.9 F)	3.8 C (6.8 F)	76 years	48 of 100 (Notable)
14 August 2009	Washington Sp, US	all-time high min	28.3 C (82.9 F)	0.5 C (0.9 F)	62 years	48 of 100 (Notable)
14 August 2009	San Diego de Alejandria, MX	daily high min	20.6 C (69.1 F)	5.6 C (10.1 F)	48 years	47 of 100 (Notable)
14 August 2009	Bangkok Metropolis, TH	daily rain	79.5 mm (3.1 in)	50.5 mm (2.0 in)	40 years	47 of 100 (Notable)
14 August 2009	Mondovi, US	daily rain	101.9 mm (4.0 in)	51.6 mm (2.0 in)	2 years	47 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

1793 to 2009

Records set or tied on this calendar date in each year from 1793 to 2009. 2009 had 818 records.

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

Records on 08-14 in each year
Year	Records
1793	2
1807	1
1815	1
1818	1
1825	1
1833	2
1839	1
1841	1
1843	1
1845	2
1856	2
1857	1
1859	1
1861	1
1864	3
1865	1
1866	2
1868	1
1870	1
1871	1
1872	1
1873	1
1874	1
1876	4
1882	1
1884	1
1885	3
1886	1
1887	3
1889	2
1890	1
1891	1
1892	3
1893	2
1894	2
1895	3
1896	5
1897	5
1898	2
1899	2
1900	1
1901	1
1902	8
1903	8
1904	3
1905	10
1906	8
1907	6
1908	28
1909	35
1910	10
1911	30
1912	56
1913	24
1914	16
1915	17
1916	109
1917	38
1918	60
1919	103
1920	56
1921	61
1922	54
1923	92
1924	319
1925	128
1926	182
1927	147
1928	233
1929	449
1930	627
1931	410
1932	314
1933	349
1934	470
1935	314
1936	612
1937	354
1938	519
1939	376
1940	489
1941	467
1942	364
1943	583
1944	709
1945	572
1946	511
1947	658
1948	373
1949	374
1950	402
1951	458
1952	560
1953	312
1954	457
1955	535
1956	426
1957	281
1958	421
1959	495
1960	414
1961	663
1962	885
1963	811
1964	1,394
1965	451
1966	388
1967	902
1968	1,315
1969	482
1970	398
1971	677
1972	552
1973	489
1974	542
1975	461
1976	1,060
1977	562
1978	834
1979	1,115
1980	544
1981	719
1982	539
1983	775
1984	598
1985	1,095
1986	775
1987	1,157
1988	1,301
1989	728
1990	737
1991	856
1992	1,709
1993	887
1994	1,149
1995	1,444
1996	954
1997	922
1998	1,100
1999	1,329
2000	1,117
2001	806
2002	1,576
2003	1,913
2004	1,936
2005	1,340
2006	1,073
2007	1,340
2008	798
2009	818
2010	1,704
2011	772
2012	758
2013	612
2014	651
2015	931
2016	824
2017	559
2018	397
2019	578
2020	1,009
2021	932
2022	771
2023	1,116
2024	1,045
2025	798
2026	1,211

Download the Data

Data for records on 2009-08-14: 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	522
10 to 20	24
20 to 30	6
30 to 40	6
40 to 50	4
50 to 60	4
60 to 70	1
70 to 80	3