Weather Records on 18 August 2010

1,167 weather records were set or tied worldwide on 18 August 2010. Highest significance: Nemours (Ghazaouet), DZ.

Key Facts for 18 August 2010

On 18 August 2010, 1,167 weather records were set or tied at long-record stations worldwide.
670 were record highs and 232 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 22 monthly and 1,139 daily.
Nemours (Ghazaouet) set a daily record precipitation of 27.9 mm (1.1 in) on 18 August 2010.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 437 records.

Record Map

1,167 stations

1,167 station records on 18 August 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nemours (Ghazaouet)	Algeria	Record daily precipitation	27.9 mm (1.1 in)	80 of 100 (Exceptional)
Orskar_A	Sweden	Record daily precipitation	58.9 mm (2.3 in)	79 of 100 (Major)
Allardt	United States	Record daily precipitation	85.9 mm (3.4 in)	66 of 100 (Major)
Celina	United States	Record daily precipitation	95.5 mm (3.8 in)	64 of 100 (Major)
Gagnoa	Cote D'Ivoire	Record daily precipitation	150.9 mm (5.9 in)	62 of 100 (Major)
Bowling Green Warren Co AP	United States	Record daily precipitation	82.0 mm (3.2 in)	62 of 100 (Major)
Pskov	Russia	Record daily precipitation	47.9 mm (1.9 in)	59 of 100 (Notable)
Aquespala	Mexico	Record daily precipitation	176.3 mm (6.9 in)	58 of 100 (Notable)
Inverness 3 SE	United States	Record daily precipitation	80.5 mm (3.2 in)	58 of 100 (Notable)
Bunkie	United States	Record daily precipitation	141.0 mm (5.6 in)	57 of 100 (Notable)
Lebanon 7 N	United States	Record daily precipitation	85.1 mm (3.4 in)	56 of 100 (Notable)
Kotzebue AP	United States	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Bayou Sorrel Lock	United States	Record daily precipitation	97.5 mm (3.8 in)	52 of 100 (Notable)
Grandfather Mtn	United States	Record daily precipitation	90.7 mm (3.6 in)	52 of 100 (Notable)
Baker	United States	Record daily precipitation	92.7 mm (3.6 in)	51 of 100 (Notable)
Gainesboro	United States	Record daily precipitation	121.7 mm (4.8 in)	51 of 100 (Notable)
Lebanon	United States	Record daily precipitation	80.0 mm (3.1 in)	50 of 100 (Notable)
Tooele	United States	Record high minimum temperature	25.6 C (78.1 F)	49 of 100 (Notable)
Norrsundet	Sweden	Record daily precipitation	51.0 mm (2.0 in)	48 of 100 (Notable)
Esperance	Australia	Record daily precipitation	30.8 mm (1.2 in)	47 of 100 (Notable)
Santo Domingo	Mexico	Record daily precipitation	160.5 mm (6.3 in)	47 of 100 (Notable)
Waynesboro 2 W	United States	Record high minimum temperature	27.2 C (81.0 F)	47 of 100 (Notable)
London Corbin AP	United States	Record daily precipitation	83.6 mm (3.3 in)	47 of 100 (Notable)
Newton	United States	Record low maximum temperature	20.6 C (69.1 F)	46 of 100 (Notable)
Osage City	United States	Record low maximum temperature	21.7 C (71.1 F)	46 of 100 (Notable)
Kingston Springs	United States	Record daily precipitation	76.2 mm (3.0 in)	46 of 100 (Notable)
Howard 2SE	United States	Record low maximum temperature	22.2 C (72.0 F)	45 of 100 (Notable)
Danville	United States	Record daily precipitation	70.9 mm (2.8 in)	45 of 100 (Notable)
Calhoun City	United States	Record high minimum temperature	25.0 C (77.0 F)	45 of 100 (Notable)
Cookeville	United States	Record daily precipitation	69.9 mm (2.8 in)	45 of 100 (Notable)
Viljandi	Estonia	Record daily precipitation	41.1 mm (1.6 in)	44 of 100 (Notable)
Finca Chayabe	Mexico	Record daily precipitation	114.8 mm (4.5 in)	44 of 100 (Notable)
Jerecuaro	Mexico	Record high minimum temperature	17.2 C (63.0 F)	44 of 100 (Notable)
Independence	United States	Record low maximum temperature	23.3 C (73.9 F)	44 of 100 (Notable)
Yates Ctr	United States	Record low maximum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Torshavn	Denmark	Record daily precipitation	38.9 mm (1.5 in)	43 of 100 (Notable)
Tartu-Toravere	Estonia	Record high minimum temperature	17.4 C (63.3 F)	43 of 100 (Notable)
Niceville	United States	Record high minimum temperature	27.2 C (81.0 F)	43 of 100 (Notable)
Guthrie Ctr	United States	Record low maximum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Batesburg	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Newcastle	United States	Record high minimum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Cairns Post Office	Australia	Record high minimum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Bagdad	United States	Record daily precipitation	39.6 mm (1.6 in)	42 of 100 (Notable)
Donaldsonville 4 SW	United States	Record low maximum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Marksville	United States	Record daily precipitation	116.8 mm (4.6 in)	42 of 100 (Notable)
Brookhaven City	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Winnsboro	United States	Record high minimum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Ratnagiri	India	Record daily precipitation	153.9 mm (6.1 in)	41 of 100 (Notable)
Biser	Russia	Record low minimum temperature	-1.8 C (28.8 F)	41 of 100 (Notable)
Eureka 1E	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Mason City	United States	Record low maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Salisbury	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Thermopolis	United States	Record high maximum temperature	37.2 C (99.0 F)	41 of 100 (Notable)
Richmond Post Office	Australia	Record high maximum temperature	35.8 C (96.4 F)	40 of 100 (Notable)
Ignacio Lopez Rayon	Mexico	Record high minimum temperature	27.8 C (82.0 F)	40 of 100 (Notable)
San Jeronimo	Mexico	Record daily precipitation	140.0 mm (5.5 in)	40 of 100 (Notable)
Clay Ctr	United States	Record low maximum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Ville Platte	United States	Record daily precipitation	72.9 mm (2.9 in)	40 of 100 (Notable)
Livingston Radio Wliv	United States	Record daily precipitation	69.1 mm (2.7 in)	40 of 100 (Notable)
Lafayette Rgnl AP	United States	Record low maximum temperature	27.2 C (81.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,167 records

Records set or tied on 18 August 2010 by type: Highest daily maximum 153, Lowest daily maximum 147, Highest daily minimum 517, Lowest daily minimum 85, Heaviest daily rainfall 265.

Records on 18 August 2010 by type
Record type	Records
Highest daily maximum	153
Lowest daily maximum	147
Highest daily minimum	517
Lowest daily minimum	85
Heaviest daily rainfall	265
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 2010 by timescale: all-time 6, monthly 22, daily 1,139.

How Much Records Were Beaten By

830 broken records

Margins by which the 830 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 103.2. Ties are not counted.

Top 20 by Significance

18 August 2010

Top 20 records on 18 August 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 2010	Nemours (Ghazaouet), DZ	daily rain	27.9 mm (1.1 in)	27.9 mm (1.1 in)	131 years	80 of 100 (Exceptional)
18 August 2010	Orskar_A, SE	daily rain	58.9 mm (2.3 in)	37.7 mm (1.5 in)	96 years	79 of 100 (Major)
18 August 2010	Allardt, US	daily rain	85.9 mm (3.4 in)	45.3 mm (1.8 in)	80 years	66 of 100 (Major)
18 August 2010	Celina, US	daily rain	95.5 mm (3.8 in)	44.7 mm (1.8 in)	80 years	64 of 100 (Major)
18 August 2010	Gagnoa, CI	monthly rain	150.9 mm (5.9 in)	61.0 mm (2.4 in)	21 years	62 of 100 (Major)
18 August 2010	Bowling Green Warren Co AP, US	daily rain	82.0 mm (3.2 in)	38.3 mm (1.5 in)	79 years	62 of 100 (Major)
18 August 2010	Pskov, RU	daily rain	47.9 mm (1.9 in)	34.8 mm (1.4 in)	41 years	59 of 100 (Notable)
18 August 2010	Aquespala, MX	monthly rain	176.3 mm (6.9 in)	64.0 mm (2.5 in)	10 years	58 of 100 (Notable)
18 August 2010	Inverness 3 SE, US	daily rain	80.5 mm (3.2 in)	29.7 mm (1.2 in)	108 years	58 of 100 (Notable)
18 August 2010	Bunkie, US	daily rain	141.0 mm (5.6 in)	82.3 mm (3.2 in)	40 years	57 of 100 (Notable)
18 August 2010	Lebanon 7 N, US	daily rain	85.1 mm (3.4 in)	72.7 mm (2.9 in)	35 years	56 of 100 (Notable)
18 August 2010	Kotzebue AP, US	daily rain	33.0 mm (1.3 in)	16.2 mm (0.6 in)	40 years	54 of 100 (Notable)
18 August 2010	Bayou Sorrel Lock, US	daily rain	97.5 mm (3.8 in)	63.0 mm (2.5 in)	29 years	52 of 100 (Notable)
18 August 2010	Grandfather Mtn, US	daily rain	90.7 mm (3.6 in)	72.7 mm (2.9 in)	24 years	52 of 100 (Notable)
18 August 2010	Baker, US	daily rain	92.7 mm (3.6 in)	78.0 mm (3.1 in)	27 years	51 of 100 (Notable)
18 August 2010	Gainesboro, US	daily rain	121.7 mm (4.8 in)	103.2 mm (4.1 in)	28 years	51 of 100 (Notable)
18 August 2010	Lebanon, US	daily rain	80.0 mm (3.1 in)	17.8 mm (0.7 in)	95 years	50 of 100 (Notable)
18 August 2010	Tooele, US	daily high min	25.6 C (78.1 F)	3.4 C (6.1 F)	107 years	49 of 100 (Notable)
18 August 2010	Norrsundet, SE	daily rain	51.0 mm (2.0 in)	18.6 mm (0.7 in)	64 years	48 of 100 (Notable)
18 August 2010	Esperance, AU	daily rain	30.8 mm (1.2 in)	19.6 mm (0.8 in)	36 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

1797 to 2010

Records set or tied on this calendar date in each year from 1797 to 2010. 2010 had 1,167 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 2010-08-18: 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 20	775
20 to 40	35
40 to 60	10
60 to 80	8
80 to 100	1
100 to 120	1