Weather Records on 10 August 2021

553 weather records were set or tied worldwide on 10 August 2021. Highest significance: Langdon Exp Farm, US.

Key Facts for 10 August 2021

On 10 August 2021, 553 weather records were set or tied at long-record stations worldwide.
370 were record highs and 85 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 13 monthly and 539 daily.
Langdon Exp Farm set a daily record precipitation of 83.1 mm (3.3 in) on 10 August 2021.
Across 160 earlier years (1814 to 2026) the same calendar date averaged 468 records.

Record Map

553 stations

553 station records on 10 August 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 August 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Langdon Exp Farm	United States	Record daily precipitation	83.1 mm (3.3 in)	74 of 100 (Major)
Tiruchchirapalli	India	Record daily precipitation	118.1 mm (4.6 in)	63 of 100 (Major)
Muroran	Japan	Record daily precipitation	164.1 mm (6.5 in)	63 of 100 (Major)
Albemarle	United States	Record daily precipitation	106.7 mm (4.2 in)	57 of 100 (Notable)
Kota Kinabalu Intl	Malaysia	Record daily precipitation	141.0 mm (5.6 in)	56 of 100 (Notable)
Aspea	Sweden	Record daily precipitation	40.8 mm (1.6 in)	54 of 100 (Notable)
Cando 1E	United States	Record daily precipitation	73.7 mm (2.9 in)	54 of 100 (Notable)
Cadillac	United States	Record daily precipitation	87.9 mm (3.5 in)	54 of 100 (Notable)
McHenry Stratton Lock/Dam	United States	Record daily precipitation	99.1 mm (3.9 in)	53 of 100 (Notable)
Rubcovsk	Russia	Record daily precipitation	59.9 mm (2.4 in)	52 of 100 (Notable)
Simferopol	Ukraine	Record daily precipitation	46.0 mm (1.8 in)	52 of 100 (Notable)
Tizi Ouzou	Algeria	Record high maximum temperature	47.4 C (117.3 F)	51 of 100 (Notable)
Pacific Heights	Australia	Record daily precipitation	26.8 mm (1.1 in)	51 of 100 (Notable)
Keppel Island South	Australia	Record daily precipitation	61.8 mm (2.4 in)	50 of 100 (Notable)
Belvidere Wwtp	United States	Record daily precipitation	132.1 mm (5.2 in)	50 of 100 (Notable)
Selagoncy	Russia	Record daily precipitation	26.9 mm (1.1 in)	49 of 100 (Notable)
Carrollton	United States	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Amasia	Armenia	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Tomakomai	Japan	Record daily precipitation	90.9 mm (3.6 in)	46 of 100 (Notable)
Oberlin	United States	Record high minimum temperature	23.3 C (73.9 F)	46 of 100 (Notable)
Cavalier 7NW	United States	Record daily precipitation	37.6 mm (1.5 in)	45 of 100 (Notable)
Mutsu	Japan	Record daily precipitation	108.0 mm (4.3 in)	44 of 100 (Notable)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	6.3 C (43.3 F)	42 of 100 (Notable)
Landskrona_D	Sweden	Record daily precipitation	28.0 mm (1.1 in)	42 of 100 (Notable)
Mt Clemens Ang Base	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Wikieup	United States	Record high minimum temperature	30.0 C (86.0 F)	40 of 100 (Notable)
Vincennes 5 NE	United States	Record daily precipitation	49.8 mm (2.0 in)	40 of 100 (Notable)
Sinop	Turkey	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Petrified Forest Np	United States	Record high minimum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Pratt 3NW	United States	Record high minimum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Lakeside	United States	Record high minimum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record daily precipitation	39.9 mm (1.6 in)	39 of 100 (Notable)
Harvard Wwtp	United States	Record daily precipitation	66.3 mm (2.6 in)	38 of 100 (Notable)
Donnybrook	Australia	Record low maximum temperature	11.0 C (51.8 F)	37 of 100 (Notable)
Standish 4NE	United States	Record high minimum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Neosho	United States	Record high minimum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Osceola	United States	Record high minimum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
Quicksand	United States	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Hart 3 WSW	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Poteet	United States	Record high minimum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Tornillo 2 SSE	United States	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)
Ko Samui	Thailand	Record daily precipitation	42.9 mm (1.7 in)	34 of 100 (Routine)
Lake Geneva Wwtp	United States	Record daily precipitation	46.2 mm (1.8 in)	34 of 100 (Routine)
Woodgate Store	Australia	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
Vaala Pelso	Finland	Record daily precipitation	26.5 mm (1.0 in)	33 of 100 (Routine)
Mtn Home AFB	United States	Record low maximum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Haboro	Japan	Record low maximum temperature	16.6 C (61.9 F)	32 of 100 (Routine)
Kutchan	Japan	Record daily precipitation	62.0 mm (2.4 in)	32 of 100 (Routine)
Sangary	Russia	Record high minimum temperature	19.5 C (67.1 F)	32 of 100 (Routine)
Shippensburg	United States	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Dumas	United States	Record high maximum temperature	40.0 C (104.0 F)	32 of 100 (Routine)
Flagstaff AP	United States	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Santa Fe Co Muni AP	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Albany	Australia	Record low maximum temperature	10.5 C (50.9 F)	31 of 100 (Routine)
Hiroo	Japan	Record daily precipitation	133.1 mm (5.2 in)	31 of 100 (Routine)
Ojmjakon	Russia	Record high maximum temperature	28.2 C (82.8 F)	31 of 100 (Routine)
Shirland	United States	Record daily precipitation	53.1 mm (2.1 in)	31 of 100 (Routine)
Newton	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Ft Atkinson Wwtp	United States	Record daily precipitation	42.4 mm (1.7 in)	31 of 100 (Routine)
Dunkirk Chautauqua Co AP	United States	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)

Counts by Type and Timescale

553 records

Records set or tied on 10 August 2021 by type: Highest daily maximum 119, Lowest daily maximum 44, Highest daily minimum 251, Lowest daily minimum 41, Heaviest daily rainfall 98.

Records on 10 August 2021 by type
Record type	Records
Highest daily maximum	119
Lowest daily maximum	44
Highest daily minimum	251
Lowest daily minimum	41
Heaviest daily rainfall	98
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 10 August 2021 by timescale: all-time 1, monthly 13, daily 539.

How Much Records Were Beaten By

395 broken records

Margins by which the 395 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 137.5. Ties are not counted.

Top 20 by Significance

10 August 2021

Top 20 records on 10 August 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 August 2021	Langdon Exp Farm, US	daily rain	83.1 mm (3.3 in)	57.7 mm (2.3 in)	82 years	74 of 100 (Major)
10 August 2021	Tiruchchirapalli, IN	daily rain	118.1 mm (4.6 in)	44.4 mm (1.7 in)	118 years	63 of 100 (Major)
10 August 2021	Muroran, JP	daily rain	164.1 mm (6.5 in)	137.5 mm (5.4 in)	54 years	63 of 100 (Major)
10 August 2021	Albemarle, US	daily rain	106.7 mm (4.2 in)	53.6 mm (2.1 in)	51 years	57 of 100 (Notable)
10 August 2021	Kota Kinabalu Intl, MY	daily rain	141.0 mm (5.6 in)	66.1 mm (2.6 in)	58 years	56 of 100 (Notable)
10 August 2021	Aspea, SE	daily rain	40.8 mm (1.6 in)	29.5 mm (1.2 in)	35 years	54 of 100 (Notable)
10 August 2021	Cando 1E, US	daily rain	73.7 mm (2.9 in)	52.4 mm (2.1 in)	15 years	54 of 100 (Notable)
10 August 2021	Cadillac, US	daily rain	87.9 mm (3.5 in)	44.2 mm (1.7 in)	42 years	54 of 100 (Notable)
10 August 2021	McHenry Stratton Lock/Dam, US	daily rain	99.1 mm (3.9 in)	75.2 mm (3.0 in)	20 years	53 of 100 (Notable)
10 August 2021	Rubcovsk, RU	daily rain	59.9 mm (2.4 in)	38.4 mm (1.5 in)	15 years	52 of 100 (Notable)
10 August 2021	Simferopol, UA	daily rain	46.0 mm (1.8 in)	13.0 mm (0.5 in)	102 years	52 of 100 (Notable)
10 August 2021	Tizi Ouzou, DZ	monthly high max	47.4 C (117.3 F)	0.4 C (0.7 F)	119 years	51 of 100 (Notable)
10 August 2021	Pacific Heights, AU	daily rain	26.8 mm (1.1 in)	12.8 mm (0.5 in)	121 years	51 of 100 (Notable)
10 August 2021	Keppel Island South, AU	daily rain	61.8 mm (2.4 in)	60.0 mm (2.4 in)	24 years	50 of 100 (Notable)
10 August 2021	Belvidere Wwtp, US	daily rain	132.1 mm (5.2 in)	119.4 mm (4.7 in)	8 years	50 of 100 (Notable)
10 August 2021	Selagoncy, RU	daily rain	26.9 mm (1.1 in)	19.7 mm (0.8 in)	34 years	49 of 100 (Notable)
10 August 2021	Carrollton, US	daily rain	38.6 mm (1.5 in)	11.9 mm (0.5 in)	116 years	49 of 100 (Notable)
10 August 2021	Amasia, AM	daily rain	25.4 mm (1.0 in)	13.0 mm (0.5 in)	55 years	47 of 100 (Notable)
10 August 2021	Tomakomai, JP	daily rain	90.9 mm (3.6 in)	46.5 mm (1.8 in)	66 years	46 of 100 (Notable)
10 August 2021	Oberlin, US	daily high min	23.3 C (73.9 F)	2.2 C (4.0 F)	103 years	46 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

1814 to 2021

Records set or tied on this calendar date in each year from 1814 to 2021. 2021 had 553 records.

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

Records on 08-10 in each year
Year	Records
1814	1
1815	1
1838	1
1845	2
1847	1
1849	1
1852	1
1853	1
1857	2
1859	1
1861	2
1862	2
1863	1
1864	1
1869	2
1871	1
1877	1
1879	4
1881	2
1884	2
1885	1
1886	1
1887	1
1888	1
1890	2
1891	6
1892	1
1893	1
1894	5
1895	1
1896	5
1897	7
1898	4
1899	6
1900	6
1901	5
1902	7
1903	8
1904	12
1905	5
1906	16
1907	9
1908	7
1909	33
1910	10
1911	40
1912	39
1913	44
1914	27
1915	26
1916	88
1917	51
1918	43
1919	51
1920	101
1921	66
1922	78
1923	175
1924	245
1925	430
1926	80
1927	294
1928	160
1929	264
1930	299
1931	424
1932	251
1933	305
1934	662
1935	480
1936	487
1937	399
1938	382
1939	593
1940	386
1941	459
1942	420
1943	304
1944	1,006
1945	360
1946	303
1947	766
1948	339
1949	586
1950	324
1951	425
1952	395
1953	431
1954	372
1955	309
1956	522
1957	322
1958	443
1959	528
1960	470
1961	640
1962	761
1963	479
1964	553
1965	700
1966	1,231
1967	766
1968	784
1969	588
1970	702
1971	760
1972	1,175
1973	597
1974	719
1975	664
1976	855
1977	786
1978	495
1979	700
1980	849
1981	857
1982	1,070
1983	915
1984	956
1985	918
1986	535
1987	896
1988	792
1989	1,291
1990	736
1991	819
1992	1,051
1993	774
1994	1,338
1995	1,119
1996	1,027
1997	1,504
1998	1,112
1999	945
2000	990
2001	1,192
2002	1,080
2003	1,556
2004	976
2005	1,225
2006	980
2007	1,476
2008	871
2009	869
2010	1,704
2011	1,247
2012	995
2013	599
2014	516
2015	583
2016	893
2017	636
2018	1,018
2019	754
2020	816
2021	553
2022	687
2023	782
2024	882
2025	659
2026	1,149

Download the Data

Data for records on 2021-08-10: 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	371
20 to 40	9
40 to 60	9
60 to 80	4
80 to 100	0
100 to 120	1
120 to 140	1