Weather Records on 8 August 2021

502 weather records were set or tied worldwide on 8 August 2021. Highest significance: Tian-Shan, KG.

Key Facts for 8 August 2021

On 8 August 2021, 502 weather records were set or tied at long-record stations worldwide.
201 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 17 monthly and 483 daily.
Tian-Shan set a daily record precipitation of 99.6 mm (3.9 in) on 8 August 2021.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 467 records.

Record Map

502 stations

502 station records on 8 August 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 August 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tian-Shan	Kyrgyzstan	Record daily precipitation	99.6 mm (3.9 in)	72 of 100 (Major)
Green Bay	United States	Record daily precipitation	86.9 mm (3.4 in)	71 of 100 (Major)
Chippewa Falls	United States	Record daily precipitation	62.2 mm (2.4 in)	65 of 100 (Major)
Miyakejima	Japan	Record daily precipitation	269.0 mm (10.6 in)	62 of 100 (Major)
Bergumerdam	Netherlands	Record daily precipitation	44.1 mm (1.7 in)	61 of 100 (Major)
Yokohama	Japan	Record daily precipitation	106.9 mm (4.2 in)	55 of 100 (Notable)
Fukue	Japan	Record daily precipitation	150.9 mm (5.9 in)	55 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	88.6 mm (3.5 in)	54 of 100 (Notable)
Germantown Wastewater Utility	United States	Record daily precipitation	87.4 mm (3.4 in)	52 of 100 (Notable)
Choshi	Japan	Record daily precipitation	143.0 mm (5.6 in)	51 of 100 (Notable)
La Crescent Dam 7	United States	Record daily precipitation	127.0 mm (5.0 in)	51 of 100 (Notable)
Moss Peak	United States	Record daily precipitation	43.2 mm (1.7 in)	51 of 100 (Notable)
Drachten	Netherlands	Record daily precipitation	44.3 mm (1.7 in)	49 of 100 (Notable)
Cowaramup	Australia	Record daily precipitation	77.4 mm (3.0 in)	48 of 100 (Notable)
Chapman Hill	Australia	Record daily precipitation	62.4 mm (2.5 in)	48 of 100 (Notable)
Mito	Japan	Record daily precipitation	87.1 mm (3.4 in)	47 of 100 (Notable)
Sisseton	United States	Record daily precipitation	85.9 mm (3.4 in)	46 of 100 (Notable)
Pike Creek	United States	Record daily precipitation	45.7 mm (1.8 in)	46 of 100 (Notable)
Chiba	Japan	Record daily precipitation	129.0 mm (5.1 in)	45 of 100 (Notable)
Ternaard	Netherlands	Record daily precipitation	35.8 mm (1.4 in)	45 of 100 (Notable)
Wanyuan	China	Record daily precipitation	99.1 mm (3.9 in)	44 of 100 (Notable)
Lessebo	Sweden	Record daily precipitation	41.3 mm (1.6 in)	44 of 100 (Notable)
Britton	United States	Record daily precipitation	26.4 mm (1.0 in)	43 of 100 (Notable)
Anchorage Merrill Fld	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Aston Downs	Australia	Record daily precipitation	57.0 mm (2.2 in)	42 of 100 (Notable)
Katsuura	Japan	Record daily precipitation	263.9 mm (10.4 in)	42 of 100 (Notable)
Mariestad	Sweden	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	14.8 C (58.6 F)	41 of 100 (Notable)
Harnosand	Sweden	Record daily precipitation	52.7 mm (2.1 in)	41 of 100 (Notable)
Kewaunee	United States	Record daily precipitation	74.9 mm (2.9 in)	41 of 100 (Notable)
Grythyttan	Sweden	Record daily precipitation	59.0 mm (2.3 in)	40 of 100 (Notable)
Lulea-Bergnaset	Sweden	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Hammonton 1 NE	United States	Record daily precipitation	68.3 mm (2.7 in)	40 of 100 (Notable)
Two Rivers	United States	Record daily precipitation	58.9 mm (2.3 in)	40 of 100 (Notable)
Albany	Australia	Record high maximum temperature	21.5 C (70.7 F)	39 of 100 (Notable)
Kumejima	Japan	Record daily precipitation	73.9 mm (2.9 in)	39 of 100 (Notable)
Cerepovec	Russia	Record daily precipitation	34.0 mm (1.3 in)	39 of 100 (Notable)
Atlantic City Marina	United States	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	33.4 C (92.1 F)	38 of 100 (Notable)
Oshima	Japan	Record daily precipitation	174.0 mm (6.9 in)	38 of 100 (Notable)
Ezumazijl	Netherlands	Record daily precipitation	27.1 mm (1.1 in)	38 of 100 (Notable)
Ubon Ratchathani	Thailand	Record high minimum temperature	27.0 C (80.6 F)	38 of 100 (Notable)
Mia Mia	Australia	Record daily precipitation	36.0 mm (1.4 in)	37 of 100 (Notable)
Schiermonnikoog	Netherlands	Record daily precipitation	27.9 mm (1.1 in)	37 of 100 (Notable)
Troickoe	Russia	Record low maximum temperature	14.2 C (57.6 F)	37 of 100 (Notable)
Browns Valley	United States	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Emery Creek	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Komsomolsk-Na-Amure	Russia	Record low maximum temperature	14.5 C (58.1 F)	36 of 100 (Notable)
Oregon City	United States	Record low minimum temperature	6.1 C (43.0 F)	36 of 100 (Notable)
Mather 3 NW	United States	Record daily precipitation	124.7 mm (4.9 in)	36 of 100 (Notable)
Flattop Mtn.	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Laghouat	Algeria	Record high minimum temperature	30.0 C (86.0 F)	35 of 100 (Notable)
Landskrona_D	Sweden	Record daily precipitation	36.5 mm (1.4 in)	35 of 100 (Notable)
Eureka Rs	United States	Record daily precipitation	27.7 mm (1.1 in)	35 of 100 (Notable)
Newhalem	United States	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Montello Wwtp	United States	Record daily precipitation	83.8 mm (3.3 in)	35 of 100 (Notable)
Shawano 2SSW	United States	Record daily precipitation	84.6 mm (3.3 in)	35 of 100 (Notable)
Watertown Wwtp	United States	Record daily precipitation	62.5 mm (2.5 in)	35 of 100 (Notable)
Mount Lockhart	United States	Record daily precipitation	38.1 mm (1.5 in)	35 of 100 (Notable)
Marshfield Exp Farm	United States	Record daily precipitation	81.8 mm (3.2 in)	34 of 100 (Routine)

Counts by Type and Timescale

502 records

Records set or tied on 8 August 2021 by type: Highest daily maximum 67, Lowest daily maximum 55, Highest daily minimum 134, Lowest daily minimum 26, Heaviest daily rainfall 220.

Records on 8 August 2021 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	55
Highest daily minimum	134
Lowest daily minimum	26
Heaviest daily rainfall	220
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 8 August 2021 by timescale: all-time 2, monthly 17, daily 483.

How Much Records Were Beaten By

421 broken records

Margins by which the 421 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.5. Ties are not counted.

Top 20 by Significance

8 August 2021

Top 20 records on 8 August 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 August 2021	Tian-Shan, KG	daily rain	99.6 mm (3.9 in)	77.6 mm (3.1 in)	79 years	72 of 100 (Major)
8 August 2021	Green Bay, US	daily rain	86.9 mm (3.4 in)	62.0 mm (2.4 in)	71 years	71 of 100 (Major)
8 August 2021	Chippewa Falls, US	daily rain	62.2 mm (2.4 in)	34.8 mm (1.4 in)	131 years	65 of 100 (Major)
8 August 2021	Miyakejima, JP	daily rain	269.0 mm (10.6 in)	152.5 mm (6.0 in)	51 years	62 of 100 (Major)
8 August 2021	Bergumerdam, NL	daily rain	44.1 mm (1.7 in)	23.6 mm (0.9 in)	66 years	61 of 100 (Major)
8 August 2021	Yokohama, JP	daily rain	106.9 mm (4.2 in)	82.3 mm (3.2 in)	62 years	55 of 100 (Notable)
8 August 2021	Fukue, JP	daily rain	150.9 mm (5.9 in)	112.4 mm (4.4 in)	46 years	55 of 100 (Notable)
8 August 2021	Oshkosh, US	daily rain	88.6 mm (3.5 in)	40.8 mm (1.6 in)	40 years	54 of 100 (Notable)
8 August 2021	Germantown Wastewater Utility, US	daily rain	87.4 mm (3.4 in)	47.0 mm (1.9 in)	30 years	52 of 100 (Notable)
8 August 2021	Choshi, JP	daily rain	143.0 mm (5.6 in)	79.0 mm (3.1 in)	39 years	51 of 100 (Notable)
8 August 2021	La Crescent Dam 7, US	daily rain	127.0 mm (5.0 in)	59.7 mm (2.4 in)	12 years	51 of 100 (Notable)
8 August 2021	Moss Peak, US	daily rain	43.2 mm (1.7 in)	38.1 mm (1.5 in)	28 years	51 of 100 (Notable)
8 August 2021	Drachten, NL	daily rain	44.3 mm (1.7 in)	32.9 mm (1.3 in)	7 years	49 of 100 (Notable)
8 August 2021	Cowaramup, AU	monthly rain	77.4 mm (3.0 in)	10.1 mm (0.4 in)	62 years	48 of 100 (Notable)
8 August 2021	Chapman Hill, AU	daily rain	62.4 mm (2.5 in)	40.8 mm (1.6 in)	4 years	48 of 100 (Notable)
8 August 2021	Mito, JP	daily rain	87.1 mm (3.4 in)	48.4 mm (1.9 in)	64 years	47 of 100 (Notable)
8 August 2021	Sisseton, US	daily rain	85.9 mm (3.4 in)	9.2 mm (0.36 in)	116 years	46 of 100 (Notable)
8 August 2021	Pike Creek, US	daily rain	45.7 mm (1.8 in)	35.5 mm (1.4 in)	8 years	46 of 100 (Notable)
8 August 2021	Chiba, JP	daily rain	129.0 mm (5.1 in)	105.1 mm (4.1 in)	3 years	45 of 100 (Notable)
8 August 2021	Ternaard, NL	daily rain	35.8 mm (1.4 in)	21.2 mm (0.8 in)	20 years	45 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 502 records.

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

Records on 08-08 in each year
Year	Records
1793	1
1798	1
1800	1
1808	3
1815	1
1833	1
1843	1
1844	2
1845	1
1854	1
1859	3
1860	1
1861	1
1863	1
1865	1
1868	2
1869	1
1871	1
1873	3
1875	2
1876	2
1877	1
1878	1
1879	2
1880	1
1884	3
1888	3
1890	2
1891	1
1892	2
1893	1
1895	8
1896	2
1897	5
1898	10
1899	8
1900	11
1901	2
1902	2
1903	20
1904	13
1905	7
1906	9
1907	9
1908	13
1909	34
1910	5
1911	38
1912	57
1913	28
1914	7
1915	47
1916	39
1917	35
1918	160
1919	28
1920	138
1921	42
1922	74
1923	70
1924	99
1925	149
1926	190
1927	278
1928	252
1929	166
1930	801
1931	318
1932	234
1933	228
1934	734
1935	508
1936	359
1937	362
1938	855
1939	671
1940	333
1941	324
1942	614
1943	512
1944	352
1945	572
1946	349
1947	442
1948	543
1949	675
1950	516
1951	513
1952	305
1953	393
1954	558
1955	537
1956	273
1957	517
1958	496
1959	470
1960	399
1961	270
1962	567
1963	601
1964	467
1965	520
1966	598
1967	432
1968	868
1969	584
1970	703
1971	646
1972	1,073
1973	446
1974	726
1975	1,041
1976	1,202
1977	607
1978	976
1979	466
1980	919
1981	964
1982	711
1983	1,110
1984	619
1985	726
1986	575
1987	861
1988	733
1989	2,398
1990	1,124
1991	1,230
1992	1,267
1993	654
1994	1,009
1995	1,503
1996	814
1997	1,381
1998	1,304
1999	1,248
2000	961
2001	1,557
2002	1,059
2003	1,432
2004	1,115
2005	882
2006	842
2007	1,660
2008	834
2009	1,112
2010	1,254
2011	1,256
2012	754
2013	841
2014	542
2015	835
2016	560
2017	831
2018	731
2019	722
2020	894
2021	502
2022	711
2023	979
2024	774
2025	752
2026	1,000

Download the Data

Data for records on 2021-08-08: 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	381
20 to 40	24
40 to 60	6
60 to 80	5
80 to 100	2
100 to 120	2
120 to 140	0
140 to 160	1