Weather Records on 20 August 2008

1,170 weather records were set or tied worldwide on 20 August 2008. Highest significance: Moore Haven Lock 1, US.

Key Facts for 20 August 2008

On 20 August 2008, 1,170 weather records were set or tied at long-record stations worldwide.
444 were record highs and 428 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 35 monthly and 1,128 daily.
Moore Haven Lock 1 set an all-time record daily precipitation of 296.4 mm (11.7 in) on 20 August 2008.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 450 records.

Record Map

1,170 stations

1,170 station records on 20 August 2008 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 2008: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moore Haven Lock 1	United States	Record daily precipitation	296.4 mm (11.7 in)	90 of 100 (Exceptional)
Ft Pierce	United States	Record daily precipitation	307.6 mm (12.1 in)	85 of 100 (Exceptional)
Falls City 2 SSW	United States	Record daily precipitation	32.0 mm (1.3 in)	80 of 100 (Exceptional)
Koigorodok	Russia	Record daily precipitation	94.0 mm (3.7 in)	77 of 100 (Major)
Avon Park 2 W	United States	Record daily precipitation	102.9 mm (4.1 in)	72 of 100 (Major)
Melbourne WFO	United States	Record daily precipitation	301.0 mm (11.9 in)	70 of 100 (Major)
La Belle	United States	Record daily precipitation	146.1 mm (5.8 in)	61 of 100 (Major)
Birzai	Lithuania	Record daily precipitation	39.1 mm (1.5 in)	59 of 100 (Notable)
Canal Pt USDA	United States	Record daily precipitation	127.0 mm (5.0 in)	59 of 100 (Notable)
Presa Requena	Mexico	Record daily precipitation	55.9 mm (2.2 in)	58 of 100 (Notable)
Nieuw Buinen	Netherlands	Record daily precipitation	47.5 mm (1.9 in)	58 of 100 (Notable)
Vero Beach 4SE	United States	Record daily precipitation	190.8 mm (7.5 in)	58 of 100 (Notable)
Nehalem 9 NE	United States	Record daily precipitation	59.4 mm (2.3 in)	55 of 100 (Notable)
Beaumont Rsch Ctr	United States	Record daily precipitation	70.1 mm (2.8 in)	54 of 100 (Notable)
Rison	United States	Record low maximum temperature	25.0 C (77.0 F)	53 of 100 (Notable)
Stuart	United States	Record daily precipitation	257.0 mm (10.1 in)	53 of 100 (Notable)
Arkansas City	United States	Record daily precipitation	57.4 mm (2.3 in)	52 of 100 (Notable)
Keo	United States	Record daily precipitation	80.3 mm (3.2 in)	52 of 100 (Notable)
Okeechobee	United States	Record daily precipitation	119.1 mm (4.7 in)	52 of 100 (Notable)
Crockett	United States	Record low maximum temperature	23.9 C (75.0 F)	51 of 100 (Notable)
Conconully	United States	Record daily precipitation	37.3 mm (1.5 in)	51 of 100 (Notable)
Erick	United States	Record low maximum temperature	19.4 C (66.9 F)	50 of 100 (Notable)
Elma	United States	Record daily precipitation	38.1 mm (1.5 in)	50 of 100 (Notable)
Potrerillos	Mexico	Record low minimum temperature	10.0 C (50.0 F)	49 of 100 (Notable)
Rena - Haugedalen	Norway	Record daily precipitation	45.6 mm (1.8 in)	49 of 100 (Notable)
Daltonganj	India	Record daily precipitation	95.0 mm (3.7 in)	48 of 100 (Notable)
Science Garden	Philippines	Record daily precipitation	261.9 mm (10.3 in)	48 of 100 (Notable)
Seaside	United States	Record daily precipitation	33.3 mm (1.3 in)	48 of 100 (Notable)
Sherman	United States	Record low maximum temperature	24.4 C (75.9 F)	48 of 100 (Notable)
Forks 1 E	United States	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Prescott 2 NNW	United States	Record low maximum temperature	21.7 C (71.1 F)	47 of 100 (Notable)
Farmerville	United States	Record low maximum temperature	25.6 C (78.1 F)	47 of 100 (Notable)
Napoleonville	United States	Record daily precipitation	81.3 mm (3.2 in)	47 of 100 (Notable)
Valentine	United States	Record daily precipitation	56.6 mm (2.2 in)	47 of 100 (Notable)
Anadarko 3 E	United States	Record low maximum temperature	19.4 C (66.9 F)	46 of 100 (Notable)
Brenham	United States	Record low maximum temperature	26.1 C (79.0 F)	46 of 100 (Notable)
Rosillo	Mexico	Record daily precipitation	105.9 mm (4.2 in)	45 of 100 (Notable)
Nashville	United States	Record low maximum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Walters	United States	Record low maximum temperature	22.2 C (72.0 F)	45 of 100 (Notable)
Poteet	United States	Record daily precipitation	68.8 mm (2.7 in)	45 of 100 (Notable)
St Joseph 3 N	United States	Record daily precipitation	54.9 mm (2.2 in)	44 of 100 (Notable)
Hollis 5E	United States	Record low maximum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Beaumont City	United States	Record low maximum temperature	25.6 C (78.1 F)	44 of 100 (Notable)
Conroe	United States	Record low maximum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
Warren 2 ENE	United States	Record low maximum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Parrish	United States	Record low maximum temperature	26.1 C (79.0 F)	43 of 100 (Notable)
Homer 1N	United States	Record low maximum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Otis 2 NE	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Stockdale 6N	United States	Record daily precipitation	71.1 mm (2.8 in)	43 of 100 (Notable)
Hope 3 NE	United States	Record low maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Charleston	United States	Record daily precipitation	90.2 mm (3.6 in)	42 of 100 (Notable)
Lowville	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Tishomingo Natl Wr	United States	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Anahuac	United States	Record daily precipitation	88.9 mm (3.5 in)	42 of 100 (Notable)
Marshall	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Putnam	United States	Record daily precipitation	41.1 mm (1.6 in)	42 of 100 (Notable)
Neozhidannyj	Russia	Record daily precipitation	27.4 mm (1.1 in)	41 of 100 (Notable)
Aleksandrovsk-Sahalinskij	Russia	Record low minimum temperature	4.5 C (40.1 F)	41 of 100 (Notable)
Moore Haven Lock 1	United States	Record low maximum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Potlatch 3 NNE	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,170 records

Records set or tied on 20 August 2008 by type: Highest daily maximum 160, Lowest daily maximum 316, Highest daily minimum 284, Lowest daily minimum 112, Heaviest daily rainfall 298.

Records on 20 August 2008 by type
Record type	Records
Highest daily maximum	160
Lowest daily maximum	316
Highest daily minimum	284
Lowest daily minimum	112
Heaviest daily rainfall	298
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 2008 by timescale: all-time 7, monthly 35, daily 1,128.

How Much Records Were Beaten By

864 broken records

Margins by which the 864 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 206.2. Ties are not counted.

Top 20 by Significance

20 August 2008

Top 20 records on 20 August 2008 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 2008	Moore Haven Lock 1, US	all-time rain	296.4 mm (11.7 in)	83.0 mm (3.3 in)	72 years	90 of 100 (Exceptional)
20 August 2008	Ft Pierce, US	all-time rain	307.6 mm (12.1 in)	53.6 mm (2.1 in)	71 years	85 of 100 (Exceptional)
20 August 2008	Falls City 2 SSW, US	daily rain	32.0 mm (1.3 in)	24.9 mm (1.0 in)	108 years	80 of 100 (Exceptional)
20 August 2008	Koigorodok, RU	all-time rain	94.0 mm (3.7 in)	30.0 mm (1.2 in)	43 years	77 of 100 (Major)
20 August 2008	Avon Park 2 W, US	daily rain	102.9 mm (4.1 in)	52.1 mm (2.1 in)	99 years	72 of 100 (Major)
20 August 2008	Melbourne WFO, US	all-time rain	301.0 mm (11.9 in)	70.9 mm (2.8 in)	13 years	70 of 100 (Major)
20 August 2008	La Belle, US	monthly rain	146.1 mm (5.8 in)	39.4 mm (1.6 in)	59 years	61 of 100 (Major)
20 August 2008	Birzai, LT	daily rain	39.1 mm (1.5 in)	26.2 mm (1.0 in)	48 years	59 of 100 (Notable)
20 August 2008	Canal Pt USDA, US	daily rain	127.0 mm (5.0 in)	75.7 mm (3.0 in)	45 years	59 of 100 (Notable)
20 August 2008	Presa Requena, MX	daily rain	55.9 mm (2.2 in)	44.0 mm (1.7 in)	45 years	58 of 100 (Notable)
20 August 2008	Nieuw Buinen, NL	daily rain	47.5 mm (1.9 in)	22.2 mm (0.9 in)	45 years	58 of 100 (Notable)
20 August 2008	Vero Beach 4SE, US	monthly rain	190.8 mm (7.5 in)	73.7 mm (2.9 in)	14 years	58 of 100 (Notable)
20 August 2008	Nehalem 9 NE, US	daily rain	59.4 mm (2.3 in)	53.0 mm (2.1 in)	37 years	55 of 100 (Notable)
20 August 2008	Beaumont Rsch Ctr, US	daily rain	70.1 mm (2.8 in)	55.4 mm (2.2 in)	53 years	54 of 100 (Notable)
20 August 2008	Rison, US	daily low max	25.0 C (77.0 F)	4.4 C (7.9 F)	111 years	53 of 100 (Notable)
20 August 2008	Stuart, US	daily rain	257.0 mm (10.1 in)	206.2 mm (8.1 in)	20 years	53 of 100 (Notable)
20 August 2008	Arkansas City, US	daily rain	57.4 mm (2.3 in)	19.3 mm (0.8 in)	100 years	52 of 100 (Notable)
20 August 2008	Keo, US	daily rain	80.3 mm (3.2 in)	67.3 mm (2.6 in)	20 years	52 of 100 (Notable)
20 August 2008	Okeechobee, US	daily rain	119.1 mm (4.7 in)	67.8 mm (2.7 in)	20 years	52 of 100 (Notable)
20 August 2008	Crockett, US	daily low max	23.9 C (75.0 F)	3.3 C (5.9 F)	102 years	51 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 2008

Records set or tied on this calendar date in each year from 1797 to 2008. 2008 had 1,170 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 2008-08-20: 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 50	845
50 to 100	17
100 to 150	1
150 to 200	0
200 to 250	1