Weather Records on 20 August 2001

909 weather records were set or tied worldwide on 20 August 2001. Highest significance: Nicolas Bravo KM. 71, MX.

Key Facts for 20 August 2001

On 20 August 2001, 909 weather records were set or tied at long-record stations worldwide.
561 were record highs and 150 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 33 monthly and 873 daily.
Nicolas Bravo KM. 71 set a monthly record daily precipitation of 154.2 mm (6.1 in) on 20 August 2001.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 452 records.

Record Map

909 stations

909 station records on 20 August 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nicolas Bravo KM. 71	Mexico	Record daily precipitation	154.2 mm (6.1 in)	65 of 100 (Major)
Keflavik	Iceland	Record daily precipitation	56.1 mm (2.2 in)	55 of 100 (Notable)
State College	United States	Record daily precipitation	57.9 mm (2.3 in)	55 of 100 (Notable)
Fairhope 2 NE	United States	Record daily precipitation	87.6 mm (3.4 in)	52 of 100 (Notable)
Galeton	United States	Record daily precipitation	57.2 mm (2.3 in)	50 of 100 (Notable)
Wewahitchka	United States	Record daily precipitation	53.3 mm (2.1 in)	49 of 100 (Notable)
Simpson South	Australia	Record daily precipitation	34.2 mm (1.3 in)	48 of 100 (Notable)
Ely AP	United States	Record high minimum temperature	17.2 C (63.0 F)	48 of 100 (Notable)
Dobbs Ferry-Ardsley	United States	Record daily precipitation	72.1 mm (2.8 in)	47 of 100 (Notable)
Hordern Vale	Australia	Record daily precipitation	31.4 mm (1.2 in)	46 of 100 (Notable)
Burketown Post Office	Australia	Record low minimum temperature	8.2 C (46.8 F)	45 of 100 (Notable)
Pico del Este	Puerto Rico [United States]	Record low minimum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Utah Lake Lehi	United States	Record high maximum temperature	36.1 C (97.0 F)	44 of 100 (Notable)
Tidal River	Australia	Record daily precipitation	44.4 mm (1.7 in)	43 of 100 (Notable)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Valentia Observatory	Ireland	Record daily precipitation	35.5 mm (1.4 in)	41 of 100 (Notable)
Dickinson Exp STN	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
St George	United States	Record low maximum temperature	28.9 C (84.0 F)	41 of 100 (Notable)
Low Head (Comparison)	Australia	Record low maximum temperature	8.9 C (48.0 F)	40 of 100 (Notable)
Baldwinsville	United States	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Meeker	United States	Record high minimum temperature	14.4 C (57.9 F)	39 of 100 (Notable)
Newton	United States	Record high maximum temperature	41.7 C (107.1 F)	39 of 100 (Notable)
Alexandria	United States	Record daily precipitation	40.1 mm (1.6 in)	39 of 100 (Notable)
Zuara	Libya	Record high minimum temperature	29.0 C (84.2 F)	38 of 100 (Notable)
Turka	Ukraine	Record daily precipitation	46.0 mm (1.8 in)	38 of 100 (Notable)
Kingsville	United States	Record high minimum temperature	27.8 C (82.0 F)	38 of 100 (Notable)
Lang Lang	Australia	Record daily precipitation	25.6 mm (1.0 in)	37 of 100 (Notable)
Weslaco	United States	Record high minimum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Huma	China	Record daily precipitation	37.9 mm (1.5 in)	36 of 100 (Notable)
Tuxtla Gutierrez (Dge)	Mexico	Record high minimum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Temascalcingo	Mexico	Record high maximum temperature	28.9 C (84.0 F)	36 of 100 (Notable)
Stamford 5 N	United States	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
Joplin	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Cayuga Lock #1	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Pixoyal (Smn)	Mexico	Record daily precipitation	60.5 mm (2.4 in)	35 of 100 (Notable)
Asuncion Nochixtlan	Mexico	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Minusinsk	Russia	Record high minimum temperature	17.6 C (63.7 F)	35 of 100 (Notable)
Gabes	Tunisia	Record high minimum temperature	29.8 C (85.6 F)	35 of 100 (Notable)
Brewerton Lock 23	United States	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Klaipeda	Lithuania	Record high minimum temperature	19.1 C (66.4 F)	34 of 100 (Routine)
Silvituc	Mexico	Record low maximum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
Bacadehuachi	Mexico	Record low minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Tamarindo	Mexico	Record low minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Central Michigan UNIV	United States	Record daily precipitation	41.7 mm (1.6 in)	34 of 100 (Routine)
Bridgehampton	United States	Record daily precipitation	96.3 mm (3.8 in)	34 of 100 (Routine)
Mt Airy 2 W	United States	Record daily precipitation	41.7 mm (1.6 in)	34 of 100 (Routine)
Cointzio	Mexico	Record high maximum temperature	30.0 C (86.0 F)	33 of 100 (Routine)
Xochitlan Todos Santos	Mexico	Record high maximum temperature	33.9 C (93.0 F)	33 of 100 (Routine)
Alpine	United States	Record high minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Bath	United States	Record daily precipitation	30.2 mm (1.2 in)	33 of 100 (Routine)
Tecoman (Dge)	Mexico	Record high maximum temperature	38.3 C (100.9 F)	32 of 100 (Routine)
Minter City	United States	Record daily precipitation	45.7 mm (1.8 in)	32 of 100 (Routine)
Santa Maria del Rio (Dge)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Patterson	United States	Record daily precipitation	78.2 mm (3.1 in)	31 of 100 (Routine)
E Tawas	United States	Record daily precipitation	46.7 mm (1.8 in)	31 of 100 (Routine)
Haines AP	United States	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
San Francisco (Smn)	Mexico	Record daily precipitation	38.4 mm (1.5 in)	30 of 100 (Routine)
Dudinka	Russia	Record high maximum temperature	27.6 C (81.7 F)	30 of 100 (Routine)
Igarka	Russia	Record high maximum temperature	28.2 C (82.8 F)	30 of 100 (Routine)
Plainfield	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

909 records

Records set or tied on 20 August 2001 by type: Highest daily maximum 304, Lowest daily maximum 58, Highest daily minimum 257, Lowest daily minimum 92, Heaviest daily rainfall 198.

Records on 20 August 2001 by type
Record type	Records
Highest daily maximum	304
Lowest daily maximum	58
Highest daily minimum	257
Lowest daily minimum	92
Heaviest daily rainfall	198
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 2001 by timescale: all-time 3, monthly 33, daily 873.

How Much Records Were Beaten By

640 broken records

Margins by which the 640 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.4. Ties are not counted.

Top 20 by Significance

20 August 2001

Top 20 records on 20 August 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 2001	Nicolas Bravo KM. 71, MX	monthly rain	154.2 mm (6.1 in)	54.4 mm (2.1 in)	38 years	65 of 100 (Major)
20 August 2001	Keflavik, IS	daily rain	56.1 mm (2.2 in)	35.5 mm (1.4 in)	34 years	55 of 100 (Notable)
20 August 2001	State College, US	daily rain	57.9 mm (2.3 in)	27.4 mm (1.1 in)	74 years	55 of 100 (Notable)
20 August 2001	Fairhope 2 NE, US	daily rain	87.6 mm (3.4 in)	46.2 mm (1.8 in)	59 years	52 of 100 (Notable)
20 August 2001	Galeton, US	daily rain	57.2 mm (2.3 in)	35.6 mm (1.4 in)	44 years	50 of 100 (Notable)
20 August 2001	Wewahitchka, US	daily rain	53.3 mm (2.1 in)	19.5 mm (0.8 in)	96 years	49 of 100 (Notable)
20 August 2001	Simpson South, AU	daily rain	34.2 mm (1.3 in)	22.2 mm (0.9 in)	20 years	48 of 100 (Notable)
20 August 2001	Ely AP, US	daily high min	17.2 C (63.0 F)	3.9 C (7.0 F)	92 years	48 of 100 (Notable)
20 August 2001	Dobbs Ferry-Ardsley, US	daily rain	72.1 mm (2.8 in)	43.4 mm (1.7 in)	51 years	47 of 100 (Notable)
20 August 2001	Hordern Vale, AU	daily rain	31.4 mm (1.2 in)	19.7 mm (0.8 in)	39 years	46 of 100 (Notable)
20 August 2001	Burketown Post Office, AU	daily low min	8.2 C (46.8 F)	1.8 C (3.2 F)	109 years	45 of 100 (Notable)
20 August 2001	Pico del Este, PR	daily low min	13.3 C (55.9 F)	3.4 C (6.1 F)	28 years	44 of 100 (Notable)
20 August 2001	Utah Lake Lehi, US	daily high max	36.1 C (97.0 F)	2.2 C (4.0 F)	96 years	44 of 100 (Notable)
20 August 2001	Tidal River, AU	daily rain	44.4 mm (1.7 in)	22.8 mm (0.9 in)	50 years	43 of 100 (Notable)
20 August 2001	Wilsons Promontory Lighthouse, AU	daily rain	47.0 mm (1.9 in)	23.8 mm (0.9 in)	2 years	41 of 100 (Notable)
20 August 2001	Valentia Observatory, IE	daily rain	35.5 mm (1.4 in)	14.3 mm (0.6 in)	52 years	41 of 100 (Notable)
20 August 2001	Dickinson Exp STN, US	daily high min	18.3 C (64.9 F)	0.5 C (0.9 F)	100 years	41 of 100 (Notable)
20 August 2001	St George, US	daily low max	28.9 C (84.0 F)	0.5 C (0.9 F)	107 years	41 of 100 (Notable)
20 August 2001	Low Head (Comparison), AU	daily low max	8.9 C (48.0 F)	0.2 C (0.4 F)	96 years	40 of 100 (Notable)
20 August 2001	Baldwinsville, US	daily rain	35.1 mm (1.4 in)	1.3 mm (0.05 in)	96 years	40 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 2001

Records set or tied on this calendar date in each year from 1797 to 2001. 2001 had 909 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 2001-08-20: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	586
10 to 20	34
20 to 30	11
30 to 40	3
40 to 50	4
50 to 60	2