Weather Records on 15 August 2021

900 weather records were set or tied worldwide on 15 August 2021. Highest significance: Dry Tortugas, US.

Key Facts for 15 August 2021

On 15 August 2021, 900 weather records were set or tied at long-record stations worldwide.
724 were record highs and 59 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 25 monthly and 869 daily.
Dry Tortugas set a daily record precipitation of 72.1 mm (2.8 in) on 15 August 2021.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 452 records.

Record Map

900 stations

900 station records on 15 August 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dry Tortugas	United States	Record daily precipitation	72.1 mm (2.8 in)	65 of 100 (Major)
Albacete Los Llanos	Spain	Record high minimum temperature	25.1 C (77.2 F)	58 of 100 (Notable)
Linguere	Senegal	Record daily precipitation	126.0 mm (5.0 in)	57 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	84.8 mm (3.3 in)	57 of 100 (Notable)
Cascade Locks	United States	Record high minimum temperature	21.7 C (71.1 F)	55 of 100 (Notable)
Paradise	United States	Record low maximum temperature	21.1 C (70.0 F)	50 of 100 (Notable)
Ashland	United States	Record daily precipitation	97.8 mm (3.9 in)	50 of 100 (Notable)
Lincang	China	Record daily precipitation	94.0 mm (3.7 in)	49 of 100 (Notable)
Laane-Nigula	Estonia	Record daily precipitation	34.9 mm (1.4 in)	49 of 100 (Notable)
Orleans 2 W	United States	Record daily precipitation	94.5 mm (3.7 in)	48 of 100 (Notable)
Shreveport	United States	Record daily precipitation	44.7 mm (1.8 in)	46 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record low maximum temperature	27.2 C (81.0 F)	44 of 100 (Notable)
Taung	South Africa	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Albacete Los Llanos	Spain	Record high maximum temperature	43.2 C (109.8 F)	44 of 100 (Notable)
Ellis	United States	Record daily precipitation	69.1 mm (2.7 in)	44 of 100 (Notable)
Cranfills Gap	United States	Record daily precipitation	83.6 mm (3.3 in)	44 of 100 (Notable)
San Angelo	United States	Record daily precipitation	45.0 mm (1.8 in)	44 of 100 (Notable)
Torrevieja	Spain	Record high maximum temperature	38.1 C (100.6 F)	43 of 100 (Notable)
Shoshone	United States	Record high maximum temperature	35.6 C (96.1 F)	43 of 100 (Notable)
Majuro Wbas AP	Marshall Islands	Record high maximum temperature	34.5 C (94.1 F)	42 of 100 (Notable)
Turcasovo	Russia	Record daily precipitation	27.9 mm (1.1 in)	42 of 100 (Notable)
Bowman Dam	United States	Record high maximum temperature	35.0 C (95.0 F)	42 of 100 (Notable)
Madrid - Retiro	Spain	Record high minimum temperature	24.6 C (76.3 F)	41 of 100 (Notable)
Kalix_D	Sweden	Record daily precipitation	39.2 mm (1.5 in)	41 of 100 (Notable)
Bend	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Farson 2NNE	United States	Record high maximum temperature	33.3 C (91.9 F)	41 of 100 (Notable)
Lamar Rs	United States	Record high maximum temperature	33.3 C (91.9 F)	41 of 100 (Notable)
Oberstdorf	Germany	Record high maximum temperature	30.2 C (86.4 F)	40 of 100 (Notable)
Hvar	Croatia	Record high maximum temperature	36.0 C (96.8 F)	40 of 100 (Notable)
Ternaard	Netherlands	Record daily precipitation	25.6 mm (1.0 in)	40 of 100 (Notable)
Hagshults_Flygplats	Sweden	Record daily precipitation	31.8 mm (1.3 in)	40 of 100 (Notable)
Lambert 1W	United States	Record daily precipitation	77.7 mm (3.1 in)	40 of 100 (Notable)
Murcia/Alcantarilla	Spain	Record high maximum temperature	47.0 C (116.6 F)	39 of 100 (Notable)
Gainesville Lock	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Lexington	United States	Record daily precipitation	42.9 mm (1.7 in)	39 of 100 (Notable)
Oakridge Fish Hatchery	United States	Record high minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Choshi	Japan	Record daily precipitation	146.1 mm (5.8 in)	37 of 100 (Notable)
Granada/Aeropuerto	Spain	Record high maximum temperature	44.5 C (112.1 F)	37 of 100 (Notable)
Huelva	Spain	Record high minimum temperature	24.6 C (76.3 F)	37 of 100 (Notable)
Carson City	United States	Record high maximum temperature	38.9 C (102.0 F)	37 of 100 (Notable)
Wallowa	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Winnemucca AP	United States	Record high maximum temperature	39.4 C (102.9 F)	37 of 100 (Notable)
Hechi	China	Record daily precipitation	76.2 mm (3.0 in)	36 of 100 (Notable)
Tottori	Japan	Record daily precipitation	41.9 mm (1.6 in)	36 of 100 (Notable)
Enid Dam	United States	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Kenmare 1 WSW	United States	Record high maximum temperature	38.3 C (100.9 F)	36 of 100 (Notable)
Zagreb-Gric	Croatia	Record high maximum temperature	38.4 C (101.1 F)	35 of 100 (Notable)
Huelva	Spain	Record high maximum temperature	39.0 C (102.2 F)	35 of 100 (Notable)
Stoneville Exp STN	United States	Record daily precipitation	56.6 mm (2.2 in)	35 of 100 (Notable)
Pedlar Dam	United States	Record daily precipitation	100.8 mm (4.0 in)	35 of 100 (Notable)
Iida	Japan	Record daily precipitation	93.0 mm (3.7 in)	34 of 100 (Routine)
Menara	Morocco	Record high maximum temperature	48.0 C (118.4 F)	34 of 100 (Routine)
Hatch	United States	Record daily precipitation	66.3 mm (2.6 in)	34 of 100 (Routine)
W Palm Beach Intl AP	United States	Record high minimum temperature	28.3 C (82.9 F)	34 of 100 (Routine)
Murcia	Spain	Record high maximum temperature	46.2 C (115.2 F)	33 of 100 (Routine)
Tonopah	United States	Record high maximum temperature	35.6 C (96.1 F)	33 of 100 (Routine)
Jal	United States	Record low minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Roanoke-Blacksburg Rgnl AP	United States	Record daily precipitation	70.9 mm (2.8 in)	33 of 100 (Routine)
Bishop AP	United States	Record high minimum temperature	20.0 C (68.0 F)	33 of 100 (Routine)
Sarajevo	Bosnia and Herzegovina	Record high maximum temperature	37.8 C (100.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

900 records

Records set or tied on 15 August 2021 by type: Highest daily maximum 312, Lowest daily maximum 41, Highest daily minimum 412, Lowest daily minimum 18, Heaviest daily rainfall 117.

Records on 15 August 2021 by type
Record type	Records
Highest daily maximum	312
Lowest daily maximum	41
Highest daily minimum	412
Lowest daily minimum	18
Heaviest daily rainfall	117
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 2021 by timescale: all-time 6, monthly 25, daily 869.

How Much Records Were Beaten By

727 broken records

Margins by which the 727 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.9. Ties are not counted.

Top 20 by Significance

15 August 2021

Top 20 records on 15 August 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 2021	Dry Tortugas, US	daily rain	72.1 mm (2.8 in)	64.5 mm (2.5 in)	60 years	65 of 100 (Major)
15 August 2021	Albacete Los Llanos, ES	all-time high min	25.1 C (77.2 F)	0.6 C (1.1 F)	87 years	58 of 100 (Notable)
15 August 2021	Linguere, SN	daily rain	126.0 mm (5.0 in)	71.3 mm (2.8 in)	44 years	57 of 100 (Notable)
15 August 2021	Mc Minnville, US	daily rain	84.8 mm (3.3 in)	22.8 mm (0.9 in)	120 years	57 of 100 (Notable)
15 August 2021	Cascade Locks, US	daily high min	21.7 C (71.1 F)	3.9 C (7.0 F)	123 years	55 of 100 (Notable)
15 August 2021	Paradise, US	daily low max	21.1 C (70.0 F)	3.3 C (5.9 F)	100 years	50 of 100 (Notable)
15 August 2021	Ashland, US	daily rain	97.8 mm (3.9 in)	42.2 mm (1.7 in)	47 years	50 of 100 (Notable)
15 August 2021	Lincang, CN	daily rain	94.0 mm (3.7 in)	45.3 mm (1.8 in)	12 years	49 of 100 (Notable)
15 August 2021	Laane-Nigula, EE	daily rain	34.9 mm (1.4 in)	21.7 mm (0.9 in)	50 years	49 of 100 (Notable)
15 August 2021	Orleans 2 W, US	daily rain	94.5 mm (3.7 in)	14.5 mm (0.6 in)	106 years	48 of 100 (Notable)
15 August 2021	Shreveport, US	daily rain	44.7 mm (1.8 in)	23.6 mm (0.9 in)	74 years	46 of 100 (Notable)
15 August 2021	Manati 2 E, PR	daily low max	27.2 C (81.0 F)	1.1 C (2.0 F)	92 years	44 of 100 (Notable)
15 August 2021	Taung, ZA	daily rain	38.1 mm (1.5 in)	11.7 mm (0.5 in)	82 years	44 of 100 (Notable)
15 August 2021	Albacete Los Llanos, ES	daily high max	43.2 C (109.8 F)	1.4 C (2.5 F)	112 years	44 of 100 (Notable)
15 August 2021	Ellis, US	daily rain	69.1 mm (2.7 in)	30.5 mm (1.2 in)	40 years	44 of 100 (Notable)
15 August 2021	Cranfills Gap, US	daily rain	83.6 mm (3.3 in)	71.9 mm (2.8 in)	10 years	44 of 100 (Notable)
15 August 2021	San Angelo, US	daily rain	45.0 mm (1.8 in)	6.6 mm (0.26 in)	100 years	44 of 100 (Notable)
15 August 2021	Torrevieja, ES	monthly high max	38.1 C (100.6 F)	0.1 C (0.2 F)	80 years	43 of 100 (Notable)
15 August 2021	Shoshone, US	daily high max	35.6 C (96.1 F)	1.2 C (2.2 F)	107 years	43 of 100 (Notable)
15 August 2021	Majuro Wbas AP, MH	daily high max	34.5 C (94.1 F)	2.8 C (5.0 F)	27 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

1793 to 2021

Records set or tied on this calendar date in each year from 1793 to 2021. 2021 had 900 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 2021-08-15: 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	686
10 to 20	17
20 to 30	13
30 to 40	3
40 to 50	5
50 to 60	0
60 to 70	1
70 to 80	2