Weather Records on 4 August 2001

1,087 weather records were set or tied worldwide on 4 August 2001. Highest significance: Boskoop, NL.

Key Facts for 4 August 2001

On 4 August 2001, 1,087 weather records were set or tied at long-record stations worldwide.
603 were record highs and 236 were record lows, counting maximum and minimum temperature.
By timescale, 12 were all-time records, 65 monthly and 1,010 daily.
Boskoop set a daily record precipitation of 54.0 mm (2.1 in) on 4 August 2001.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 437 records.

Record Map

1,087 stations

1,087 station records on 4 August 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boskoop	Netherlands	Record daily precipitation	54.0 mm (2.1 in)	60 of 100 (Major)
Hoek_van_Holland_1	Netherlands	Record daily precipitation	63.5 mm (2.5 in)	58 of 100 (Notable)
Moose Lake 1 SSE	United States	Record high minimum temperature	28.9 C (84.0 F)	56 of 100 (Notable)
Kasa	Sweden	Record daily precipitation	51.5 mm (2.0 in)	53 of 100 (Notable)
Ust-Vum	Russia	Record daily precipitation	35.8 mm (1.4 in)	50 of 100 (Notable)
Oostvoorne	Netherlands	Record daily precipitation	33.8 mm (1.3 in)	49 of 100 (Notable)
Goedereede	Netherlands	Record daily precipitation	41.8 mm (1.6 in)	49 of 100 (Notable)
Curapca	Russia	Record daily precipitation	26.9 mm (1.1 in)	49 of 100 (Notable)
Donegal 2 NW	United States	Record daily precipitation	101.6 mm (4.0 in)	49 of 100 (Notable)
Kailua 446	United States	Record low maximum temperature	22.2 C (72.0 F)	49 of 100 (Notable)
Vacoas (Mauritius)	Mauritius	Record daily precipitation	61.0 mm (2.4 in)	48 of 100 (Notable)
Franklin	United States	Record daily precipitation	56.4 mm (2.2 in)	48 of 100 (Notable)
Covington 8 WNW	United States	Record high minimum temperature	27.8 C (82.0 F)	48 of 100 (Notable)
Ware	United States	Record daily precipitation	86.9 mm (3.4 in)	48 of 100 (Notable)
Makkum	Netherlands	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Lybrook	United States	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Alcove Dam	United States	Record daily precipitation	58.7 mm (2.3 in)	47 of 100 (Notable)
Wessington Springs	United States	Record high minimum temperature	23.3 C (73.9 F)	47 of 100 (Notable)
Delft	Netherlands	Record daily precipitation	39.7 mm (1.6 in)	46 of 100 (Notable)
Valdalen	Norway	Record daily precipitation	43.2 mm (1.7 in)	46 of 100 (Notable)
Syktyvkar	Russia	Record daily precipitation	38.7 mm (1.5 in)	46 of 100 (Notable)
Leola	United States	Record high minimum temperature	21.1 C (70.0 F)	46 of 100 (Notable)
Greeneville Exp STN	United States	Record daily precipitation	66.8 mm (2.6 in)	46 of 100 (Notable)
Hoogwoud	Netherlands	Record daily precipitation	32.4 mm (1.3 in)	45 of 100 (Notable)
Khartoum	Sudan	Record daily precipitation	62.2 mm (2.4 in)	45 of 100 (Notable)
Steamboat Springs	United States	Record high maximum temperature	36.7 C (98.1 F)	45 of 100 (Notable)
Brotterode	Germany	Record daily precipitation	42.1 mm (1.7 in)	44 of 100 (Notable)
Ostre Toten - Apelsvoll	Norway	Record daily precipitation	27.5 mm (1.1 in)	44 of 100 (Notable)
Nashua 2 NNW	United States	Record daily precipitation	71.1 mm (2.8 in)	44 of 100 (Notable)
Philip AP	United States	Record high minimum temperature	24.4 C (75.9 F)	44 of 100 (Notable)
San Bernabe	Mexico	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Nes Pa Hedmark	Norway	Record daily precipitation	40.5 mm (1.6 in)	43 of 100 (Notable)
Kirov	Russia	Record daily precipitation	39.7 mm (1.6 in)	43 of 100 (Notable)
Arcadia	United States	Record low maximum temperature	27.2 C (81.0 F)	43 of 100 (Notable)
Rapelje	United States	Record high minimum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Savage	United States	Record high minimum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Ashland 2 SW	United States	Record daily precipitation	53.1 mm (2.1 in)	43 of 100 (Notable)
Dudinka	Russia	Record high minimum temperature	17.9 C (64.2 F)	42 of 100 (Notable)
Svalov	Sweden	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Ornskoldsvik	Sweden	Record daily precipitation	37.0 mm (1.5 in)	42 of 100 (Notable)
Santa Barbara	United States	Record low maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Echeta 2 NW	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Ocampo	Mexico	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Troy	United States	Record low minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Renovo	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Motozintla (Smn)	Mexico	Record high minimum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Overveen	Netherlands	Record daily precipitation	41.8 mm (1.6 in)	40 of 100 (Notable)
Wijk_Aan_Zee_1	Netherlands	Record daily precipitation	37.7 mm (1.5 in)	40 of 100 (Notable)
Portland	United States	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
W Liberty 3NW	United States	Record low maximum temperature	23.3 C (73.9 F)	40 of 100 (Notable)
Culbertson	United States	Record high minimum temperature	23.3 C (73.9 F)	40 of 100 (Notable)
Vajda-Guba	Russia	Record low minimum temperature	2.4 C (36.3 F)	39 of 100 (Notable)
Pico del Este	Puerto Rico [United States]	Record low minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Moore Haven Lock 1	United States	Record low maximum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Belchertown	United States	Record daily precipitation	106.9 mm (4.2 in)	38 of 100 (Notable)
Harlingen	United States	Record daily precipitation	28.7 mm (1.1 in)	38 of 100 (Notable)
Wellsburg Wtr Trmt Pl	United States	Record high minimum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Troy L&D	United States	Record daily precipitation	60.5 mm (2.4 in)	37 of 100 (Notable)
Hansboro 4 NNE	United States	Record high minimum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Lehighton 1SSW	United States	Record daily precipitation	82.0 mm (3.2 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,087 records

Records set or tied on 4 August 2001 by type: Highest daily maximum 234, Lowest daily maximum 101, Highest daily minimum 369, Lowest daily minimum 135, Heaviest daily rainfall 248.

Records on 4 August 2001 by type
Record type	Records
Highest daily maximum	234
Lowest daily maximum	101
Highest daily minimum	369
Lowest daily minimum	135
Heaviest daily rainfall	248
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 August 2001 by timescale: all-time 12, monthly 65, daily 1,010.

How Much Records Were Beaten By

806 broken records

Margins by which the 806 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.4. Ties are not counted.

Top 20 by Significance

4 August 2001

Top 20 records on 4 August 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 2001	Boskoop, NL	daily rain	54.0 mm (2.1 in)	22.8 mm (0.9 in)	60 years	60 of 100 (Major)
4 August 2001	Hoek_van_Holland_1, NL	monthly rain	63.5 mm (2.5 in)	33.1 mm (1.3 in)	13 years	58 of 100 (Notable)
4 August 2001	Moose Lake 1 SSE, US	all-time high min	28.9 C (84.0 F)	3.9 C (7.0 F)	64 years	56 of 100 (Notable)
4 August 2001	Kasa, SE	daily rain	51.5 mm (2.0 in)	38.4 mm (1.5 in)	28 years	53 of 100 (Notable)
4 August 2001	Ust-Vum, RU	daily rain	35.8 mm (1.4 in)	28.4 mm (1.1 in)	22 years	50 of 100 (Notable)
4 August 2001	Oostvoorne, NL	daily rain	33.8 mm (1.3 in)	16.3 mm (0.6 in)	60 years	49 of 100 (Notable)
4 August 2001	Goedereede, NL	daily rain	41.8 mm (1.6 in)	27.1 mm (1.1 in)	16 years	49 of 100 (Notable)
4 August 2001	Curapca, RU	daily rain	26.9 mm (1.1 in)	18.0 mm (0.7 in)	40 years	49 of 100 (Notable)
4 August 2001	Donegal 2 NW, US	monthly rain	101.6 mm (4.0 in)	25.4 mm (1.0 in)	44 years	49 of 100 (Notable)
4 August 2001	Kailua 446, US	daily low max	22.2 C (72.0 F)	1.7 C (3.1 F)	87 years	49 of 100 (Notable)
4 August 2001	Vacoas (Mauritius), MU	daily rain	61.0 mm (2.4 in)	37.5 mm (1.5 in)	15 years	48 of 100 (Notable)
4 August 2001	Franklin, US	daily rain	56.4 mm (2.2 in)	24.6 mm (1.0 in)	70 years	48 of 100 (Notable)
4 August 2001	Covington 8 WNW, US	monthly high min	27.8 C (82.0 F)	1.1 C (2.0 F)	75 years	48 of 100 (Notable)
4 August 2001	Ware, US	daily rain	86.9 mm (3.4 in)	53.9 mm (2.1 in)	14 years	48 of 100 (Notable)
4 August 2001	Makkum, NL	daily rain	34.0 mm (1.3 in)	23.6 mm (0.9 in)	16 years	47 of 100 (Notable)
4 August 2001	Lybrook, US	daily rain	38.1 mm (1.5 in)	25.1 mm (1.0 in)	42 years	47 of 100 (Notable)
4 August 2001	Alcove Dam, US	daily rain	58.7 mm (2.3 in)	38.4 mm (1.5 in)	20 years	47 of 100 (Notable)
4 August 2001	Wessington Springs, US	daily high min	23.3 C (73.9 F)	2.7 C (4.9 F)	104 years	47 of 100 (Notable)
4 August 2001	Delft, NL	daily rain	39.7 mm (1.6 in)	14.1 mm (0.6 in)	60 years	46 of 100 (Notable)
4 August 2001	Valdalen, NO	daily rain	43.2 mm (1.7 in)	30.7 mm (1.2 in)	12 years	46 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

1815 to 2001

Records set or tied on this calendar date in each year from 1815 to 2001. 2001 had 1,087 records.

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

Records on 08-04 in each year
Year	Records
1815	1
1827	1
1830	2
1833	1
1835	1
1843	1
1846	1
1847	1
1848	1
1857	1
1859	2
1860	2
1863	1
1865	3
1867	1
1868	1
1870	1
1871	1
1872	2
1874	3
1875	1
1878	3
1879	1
1881	2
1882	1
1883	1
1885	3
1886	1
1887	3
1888	4
1889	2
1890	1
1891	2
1893	2
1894	1
1895	3
1896	4
1897	3
1898	1
1899	7
1900	6
1902	4
1903	18
1904	11
1905	19
1906	14
1907	20
1908	31
1909	27
1910	17
1911	23
1912	51
1913	15
1914	33
1915	85
1916	97
1917	29
1918	95
1919	34
1920	79
1921	67
1922	68
1923	146
1924	132
1925	77
1926	334
1927	136
1928	352
1929	224
1930	698
1931	371
1932	258
1933	347
1934	521
1935	367
1936	719
1937	258
1938	489
1939	433
1940	236
1941	383
1942	303
1943	468
1944	662
1945	355
1946	265
1947	845
1948	558
1949	421
1950	666
1951	680
1952	465
1953	1,017
1954	426
1955	624
1956	437
1957	343
1958	533
1959	303
1960	331
1961	745
1962	470
1963	438
1964	885
1965	409
1966	552
1967	428
1968	280
1969	638
1970	415
1971	813
1972	773
1973	748
1974	1,040
1975	772
1976	801
1977	599
1978	1,051
1979	510
1980	998
1981	636
1982	703
1983	920
1984	722
1985	634
1986	905
1987	892
1988	1,204
1989	738
1990	1,013
1991	769
1992	754
1993	1,046
1994	1,265
1995	1,117
1996	1,143
1997	891
1998	1,423
1999	762
2000	840
2001	1,087
2002	928
2003	1,309
2004	968
2005	1,246
2006	1,131
2007	685
2008	883
2009	681
2010	1,665
2011	1,536
2012	738
2013	452
2014	980
2015	505
2016	732
2017	1,134
2018	760
2019	499
2020	778
2021	691
2022	1,185
2023	1,150
2024	809
2025	840
2026	1,044

Download the Data

Data for records on 2001-08-04: 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	731
10 to 20	40
20 to 30	23
30 to 40	9
40 to 50	1
50 to 60	1
60 to 70	1