Weather Records on 20 August 2010

1,028 weather records were set or tied worldwide on 20 August 2010. Highest significance: Green Bay, US.

Key Facts for 20 August 2010

On 20 August 2010, 1,028 weather records were set or tied at long-record stations worldwide.
706 were record highs and 169 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 25 monthly and 997 daily.
Green Bay set a daily record precipitation of 75.7 mm (3.0 in) on 20 August 2010.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 451 records.

Record Map

1,028 stations

1,028 station records on 20 August 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Green Bay	United States	Record daily precipitation	75.7 mm (3.0 in)	67 of 100 (Major)
Mocksville 5SE	United States	Record daily precipitation	49.8 mm (2.0 in)	60 of 100 (Major)
W Blocton	United States	Record daily precipitation	74.4 mm (2.9 in)	55 of 100 (Notable)
Wytheville	United States	Record high minimum temperature	22.8 C (73.0 F)	50 of 100 (Notable)
Har Kenaan	Israel	Record high maximum temperature	40.6 C (105.1 F)	49 of 100 (Notable)
Xinyang	China	Record daily precipitation	92.6 mm (3.6 in)	48 of 100 (Notable)
Sibu	Malaysia	Record daily precipitation	106.7 mm (4.2 in)	48 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low minimum temperature	18.9 C (66.0 F)	47 of 100 (Notable)
Jackson Springs 5 WNW	United States	Record daily precipitation	80.0 mm (3.1 in)	45 of 100 (Notable)
Lincoln	United States	Record daily precipitation	59.4 mm (2.3 in)	44 of 100 (Notable)
Macomb	United States	Record daily precipitation	48.5 mm (1.9 in)	44 of 100 (Notable)
Tehuehuetla	Mexico	Record daily precipitation	89.2 mm (3.5 in)	43 of 100 (Notable)
Fordyce	United States	Record high minimum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Hazlehurst	United States	Record high minimum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Moose Lake 1 SSE	United States	Record daily precipitation	48.5 mm (1.9 in)	43 of 100 (Notable)
Ottumwa Ind AP	United States	Record daily precipitation	115.3 mm (4.5 in)	43 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	58.7 mm (2.3 in)	42 of 100 (Notable)
Kii-Kahuku 911	United States	Record low maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Benxi	China	Record daily precipitation	104.3 mm (4.1 in)	41 of 100 (Notable)
Ben Gurion	Israel	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Mercedes 6 SSE	United States	Record high minimum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Wendover AP AWOS	United States	Record low minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Har Kenaan	Israel	Record high minimum temperature	28.3 C (82.9 F)	40 of 100 (Notable)
La Florida	Mexico	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Kem-Port	Russia	Record low minimum temperature	1.9 C (35.4 F)	40 of 100 (Notable)
Shenkursk	Russia	Record low minimum temperature	-0.4 C (31.3 F)	40 of 100 (Notable)
Amite	United States	Record daily precipitation	79.8 mm (3.1 in)	40 of 100 (Notable)
Anderson	United States	Record high minimum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Canyonlands-the Neck	United States	Record daily precipitation	26.9 mm (1.1 in)	40 of 100 (Notable)
Northam	Australia	Record low minimum temperature	-1.3 C (29.7 F)	39 of 100 (Notable)
Galax Radio Wbrf	United States	Record daily precipitation	52.1 mm (2.1 in)	39 of 100 (Notable)
Evergreen	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Marshall	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Indio Fire STN	United States	Record high minimum temperature	32.2 C (90.0 F)	38 of 100 (Notable)
Douglas	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Bay Springs	United States	Record daily precipitation	52.1 mm (2.1 in)	38 of 100 (Notable)
Wytheville	United States	Record daily precipitation	30.2 mm (1.2 in)	38 of 100 (Notable)
Sanya	China	Record low maximum temperature	25.2 C (77.4 F)	37 of 100 (Notable)
Minatitlan	Mexico	Record low maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Jaral de Berrios	Mexico	Record high maximum temperature	35.6 C (96.1 F)	37 of 100 (Notable)
Kotlas	Russia	Record low minimum temperature	-1.6 C (29.1 F)	37 of 100 (Notable)
Sacaton	United States	Record high minimum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
Toccoa	United States	Record high minimum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Louisville	United States	Record high minimum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Muskogee	United States	Record high minimum temperature	27.8 C (82.0 F)	37 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Pueblo de Alamos	Mexico	Record daily precipitation	66.8 mm (2.6 in)	36 of 100 (Notable)
Rome	United States	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
El-Golea	Algeria	Record high minimum temperature	31.5 C (88.7 F)	35 of 100 (Notable)
Cairns Post Office	Australia	Record high maximum temperature	30.7 C (87.3 F)	35 of 100 (Notable)
Macau Intl	Macau S.A.R	Record low minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
El Triunfo	Mexico	Record daily precipitation	77.0 mm (3.0 in)	35 of 100 (Notable)
San Juan del Rio	Mexico	Record daily precipitation	80.0 mm (3.1 in)	35 of 100 (Notable)
Tatarsk	Russia	Record high maximum temperature	34.3 C (93.7 F)	35 of 100 (Notable)
Perry	United States	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Concord	United States	Record daily precipitation	45.7 mm (1.8 in)	35 of 100 (Notable)
Kingsport	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Alexandria Intl	Egypt	Record high minimum temperature	27.3 C (81.1 F)	34 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record high maximum temperature	34.4 C (93.9 F)	34 of 100 (Routine)
Chacalapa	Mexico	Record daily precipitation	120.1 mm (4.7 in)	34 of 100 (Routine)

Counts by Type and Timescale

1,028 records

Records set or tied on 20 August 2010 by type: Highest daily maximum 208, Lowest daily maximum 80, Highest daily minimum 498, Lowest daily minimum 89, Heaviest daily rainfall 153.

Records on 20 August 2010 by type
Record type	Records
Highest daily maximum	208
Lowest daily maximum	80
Highest daily minimum	498
Lowest daily minimum	89
Heaviest daily rainfall	153
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 2010 by timescale: all-time 6, monthly 25, daily 997.

How Much Records Were Beaten By

716 broken records

Margins by which the 716 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.7. Ties are not counted.

Top 20 by Significance

20 August 2010

Top 20 records on 20 August 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 2010	Green Bay, US	daily rain	75.7 mm (3.0 in)	28.5 mm (1.1 in)	109 years	67 of 100 (Major)
20 August 2010	Mocksville 5SE, US	daily rain	49.8 mm (2.0 in)	30.2 mm (1.2 in)	111 years	60 of 100 (Major)
20 August 2010	W Blocton, US	daily rain	74.4 mm (2.9 in)	49.0 mm (1.9 in)	40 years	55 of 100 (Notable)
20 August 2010	Wytheville, US	daily high min	22.8 C (73.0 F)	3.4 C (6.1 F)	109 years	50 of 100 (Notable)
20 August 2010	Har Kenaan, IL	all-time high max	40.6 C (105.1 F)	0.6 C (1.1 F)	68 years	49 of 100 (Notable)
20 August 2010	Xinyang, CN	daily rain	92.6 mm (3.6 in)	56.1 mm (2.2 in)	56 years	48 of 100 (Notable)
20 August 2010	Sibu, MY	daily rain	106.7 mm (4.2 in)	88.7 mm (3.5 in)	12 years	48 of 100 (Notable)
20 August 2010	Ponce 4 E, PR	daily low min	18.9 C (66.0 F)	1.1 C (2.0 F)	99 years	47 of 100 (Notable)
20 August 2010	Jackson Springs 5 WNW, US	daily rain	80.0 mm (3.1 in)	40.4 mm (1.6 in)	51 years	45 of 100 (Notable)
20 August 2010	Lincoln, US	daily rain	59.4 mm (2.3 in)	6.3 mm (0.25 in)	103 years	44 of 100 (Notable)
20 August 2010	Macomb, US	daily rain	48.5 mm (1.9 in)	22.6 mm (0.9 in)	59 years	44 of 100 (Notable)
20 August 2010	Tehuehuetla, MX	daily rain	89.2 mm (3.5 in)	49.3 mm (1.9 in)	15 years	43 of 100 (Notable)
20 August 2010	Fordyce, US	daily high min	24.4 C (75.9 F)	1.1 C (2.0 F)	99 years	43 of 100 (Notable)
20 August 2010	Hazlehurst, US	daily high min	25.0 C (77.0 F)	1.7 C (3.1 F)	84 years	43 of 100 (Notable)
20 August 2010	Moose Lake 1 SSE, US	daily rain	48.5 mm (1.9 in)	16.2 mm (0.6 in)	75 years	43 of 100 (Notable)
20 August 2010	Ottumwa Ind AP, US	monthly rain	115.3 mm (4.5 in)	23.1 mm (0.9 in)	40 years	43 of 100 (Notable)
20 August 2010	Ponce 4 E, PR	daily rain	58.7 mm (2.3 in)	5.1 mm (0.20 in)	107 years	42 of 100 (Notable)
20 August 2010	Kii-Kahuku 911, US	daily low max	23.3 C (73.9 F)	3.9 C (7.0 F)	21 years	42 of 100 (Notable)
20 August 2010	Benxi, CN	daily rain	104.3 mm (4.1 in)	73.0 mm (2.9 in)	12 years	41 of 100 (Notable)
20 August 2010	Ben Gurion, IL	daily high max	36.7 C (98.1 F)	2.8 C (5.0 F)	59 years	41 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 1,028 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 2010-08-20: 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	688
20 to 40	22
40 to 60	4
60 to 80	1
80 to 100	1