Weather Records on 4 August 2003

1,309 weather records were set or tied worldwide on 4 August 2003. Highest significance: Waynesboro, US.

Key Facts for 4 August 2003

On 4 August 2003, 1,309 weather records were set or tied at long-record stations worldwide.
927 were record highs and 149 were record lows, counting maximum and minimum temperature.
By timescale, 36 were all-time records, 105 monthly and 1,168 daily.
Waynesboro set a daily record precipitation of 110.7 mm (4.4 in) on 4 August 2003.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 436 records.

Record Map

1,309 stations

1,309 station records on 4 August 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Waynesboro	United States	Record daily precipitation	110.7 mm (4.4 in)	70 of 100 (Major)
Ai-Petri	Ukraine	Record daily precipitation	58.3 mm (2.3 in)	68 of 100 (Major)
Mt Airy 2 W	United States	Record daily precipitation	87.6 mm (3.4 in)	68 of 100 (Major)
Watertown	United States	Record daily precipitation	67.8 mm (2.7 in)	64 of 100 (Major)
Adrian 2 NNE	United States	Record daily precipitation	55.9 mm (2.2 in)	63 of 100 (Major)
Bordeaux-Merignac	France	Record high maximum temperature	40.7 C (105.3 F)	61 of 100 (Major)
Lerma	Mexico	Record daily precipitation	69.9 mm (2.8 in)	61 of 100 (Major)
Almaty	Kazakhstan	Record daily precipitation	53.5 mm (2.1 in)	58 of 100 (Notable)
Myronivka	Ukraine	Record daily precipitation	74.0 mm (2.9 in)	58 of 100 (Notable)
Milan	Italy	Record high minimum temperature	28.9 C (84.0 F)	54 of 100 (Notable)
Pavlograd	Ukraine	Record daily precipitation	41.0 mm (1.6 in)	53 of 100 (Notable)
Tremonton	United States	Record daily precipitation	26.2 mm (1.0 in)	53 of 100 (Notable)
Lowville	United States	Record daily precipitation	77.2 mm (3.0 in)	51 of 100 (Notable)
Big Bar 4 E	United States	Record daily precipitation	68.6 mm (2.7 in)	50 of 100 (Notable)
Plainview	United States	Record high minimum temperature	24.4 C (75.9 F)	50 of 100 (Notable)
Pte de Chassiron	France	Record high maximum temperature	35.9 C (96.6 F)	49 of 100 (Notable)
Quicksand	United States	Record daily precipitation	54.6 mm (2.1 in)	49 of 100 (Notable)
Beverly Stp	United States	Record daily precipitation	48.3 mm (1.9 in)	49 of 100 (Notable)
Rovaniemi Misi	Finland	Record daily precipitation	44.2 mm (1.7 in)	48 of 100 (Notable)
Duvan	Russia	Record daily precipitation	32.9 mm (1.3 in)	48 of 100 (Notable)
Slide Mtn	United States	Record daily precipitation	80.5 mm (3.2 in)	48 of 100 (Notable)
Lost Creek Dam	United States	Record daily precipitation	28.4 mm (1.1 in)	48 of 100 (Notable)
Mantyharju Toivola	Finland	Record daily precipitation	44.1 mm (1.7 in)	47 of 100 (Notable)
Matehuala (Smn)	Mexico	Record daily precipitation	52.8 mm (2.1 in)	47 of 100 (Notable)
Medicine Lake 3 SE	United States	Record daily precipitation	36.3 mm (1.4 in)	47 of 100 (Notable)
Nice	France	Record high minimum temperature	27.0 C (80.6 F)	46 of 100 (Notable)
Folkston 3 SW	United States	Record daily precipitation	121.2 mm (4.8 in)	46 of 100 (Notable)
Lichtentanne	Germany	Record high minimum temperature	18.8 C (65.8 F)	45 of 100 (Notable)
Teteriv	Ukraine	Record daily precipitation	43.0 mm (1.7 in)	45 of 100 (Notable)
Manchester 4 W	United States	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record high minimum temperature	21.4 C (70.5 F)	44 of 100 (Notable)
Dawson	United States	Record daily precipitation	50.0 mm (2.0 in)	44 of 100 (Notable)
Winder 4S	United States	Record daily precipitation	69.9 mm (2.8 in)	44 of 100 (Notable)
Valladolid (Villanubla)	Spain	Record high minimum temperature	22.5 C (72.5 F)	43 of 100 (Notable)
Uttaradit	Thailand	Record daily precipitation	83.6 mm (3.3 in)	43 of 100 (Notable)
Lozova	Ukraine	Record daily precipitation	34.0 mm (1.3 in)	43 of 100 (Notable)
Huntington Lake	United States	Record high minimum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Newburyport	United States	Record daily precipitation	39.4 mm (1.6 in)	43 of 100 (Notable)
Ocate 2 NW	United States	Record high minimum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Daisy 4 ENE	United States	Record daily precipitation	87.4 mm (3.4 in)	43 of 100 (Notable)
Greenville Kgvl Radio	United States	Record low maximum temperature	27.2 C (81.0 F)	43 of 100 (Notable)
Chatham	United States	Record daily precipitation	66.3 mm (2.6 in)	43 of 100 (Notable)
Toulouse-Blagnac	France	Record high maximum temperature	40.7 C (105.3 F)	42 of 100 (Notable)
Geisenheim	Germany	Record high minimum temperature	22.4 C (72.3 F)	42 of 100 (Notable)
Rhein Main	Germany	Record high minimum temperature	23.5 C (74.3 F)	42 of 100 (Notable)
Cet Central England	United Kingdom	Record high maximum temperature	29.1 C (84.4 F)	42 of 100 (Notable)
Dewar 2 NE	United States	Record daily precipitation	94.0 mm (3.7 in)	42 of 100 (Notable)
Woodstock	United States	Record high minimum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record high minimum temperature	12.0 C (53.6 F)	41 of 100 (Notable)
Bad Durkheim	Germany	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Lichtentanne	Germany	Record high maximum temperature	32.0 C (89.6 F)	41 of 100 (Notable)
Eaton Rapids	United States	Record daily precipitation	48.5 mm (1.9 in)	41 of 100 (Notable)
Melrose	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Atoka	United States	Record daily precipitation	72.6 mm (2.9 in)	41 of 100 (Notable)
Stotten	Germany	Record high minimum temperature	24.7 C (76.5 F)	40 of 100 (Notable)
Neudenau	Germany	Record high maximum temperature	38.3 C (100.9 F)	40 of 100 (Notable)
Abakan(Hakasskaja)	Russia	Record daily precipitation	38.4 mm (1.5 in)	40 of 100 (Notable)
Oxford	United Kingdom	Record high maximum temperature	31.5 C (88.7 F)	40 of 100 (Notable)
Mtn Park	United States	Record high minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Macedon Lock E30	United States	Record daily precipitation	45.5 mm (1.8 in)	40 of 100 (Notable)

Counts by Type and Timescale

1,309 records

Records set or tied on 4 August 2003 by type: Highest daily maximum 482, Lowest daily maximum 71, Highest daily minimum 445, Lowest daily minimum 78, Heaviest daily rainfall 233.

Records on 4 August 2003 by type
Record type	Records
Highest daily maximum	482
Lowest daily maximum	71
Highest daily minimum	445
Lowest daily minimum	78
Heaviest daily rainfall	233
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 August 2003 by timescale: all-time 36, monthly 105, daily 1,168.

How Much Records Were Beaten By

993 broken records

Margins by which the 993 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 81.5. Ties are not counted.

Top 20 by Significance

4 August 2003

Top 20 records on 4 August 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 2003	Waynesboro, US	daily rain	110.7 mm (4.4 in)	81.5 mm (3.2 in)	68 years	70 of 100 (Major)
4 August 2003	Ai-Petri, UA	daily rain	58.3 mm (2.3 in)	39.2 mm (1.5 in)	72 years	68 of 100 (Major)
4 August 2003	Mt Airy 2 W, US	daily rain	87.6 mm (3.4 in)	45.7 mm (1.8 in)	92 years	68 of 100 (Major)
4 August 2003	Watertown, US	daily rain	67.8 mm (2.7 in)	37.8 mm (1.5 in)	74 years	64 of 100 (Major)
4 August 2003	Adrian 2 NNE, US	daily rain	55.9 mm (2.2 in)	31.8 mm (1.3 in)	94 years	63 of 100 (Major)
4 August 2003	Bordeaux-Merignac, FR	all-time high max	40.7 C (105.3 F)	1.6 C (2.9 F)	97 years	61 of 100 (Major)
4 August 2003	Lerma, MX	daily rain	69.9 mm (2.8 in)	50.1 mm (2.0 in)	52 years	61 of 100 (Major)
4 August 2003	Almaty, KZ	daily rain	53.5 mm (2.1 in)	28.5 mm (1.1 in)	40 years	58 of 100 (Notable)
4 August 2003	Myronivka, UA	daily rain	74.0 mm (2.9 in)	37.8 mm (1.5 in)	48 years	58 of 100 (Notable)
4 August 2003	Milan, IT	monthly high min	28.9 C (84.0 F)	1.1 C (2.0 F)	218 years	54 of 100 (Notable)
4 August 2003	Pavlograd, UA	daily rain	41.0 mm (1.6 in)	26.4 mm (1.0 in)	65 years	53 of 100 (Notable)
4 August 2003	Tremonton, US	daily rain	26.2 mm (1.0 in)	16.0 mm (0.6 in)	66 years	53 of 100 (Notable)
4 August 2003	Lowville, US	daily rain	77.2 mm (3.0 in)	36.6 mm (1.4 in)	28 years	51 of 100 (Notable)
4 August 2003	Big Bar 4 E, US	monthly rain	68.6 mm (2.7 in)	20.8 mm (0.8 in)	19 years	50 of 100 (Notable)
4 August 2003	Plainview, US	monthly high min	24.4 C (75.9 F)	1.1 C (2.0 F)	87 years	50 of 100 (Notable)
4 August 2003	Pte de Chassiron, FR	all-time high max	35.9 C (96.6 F)	0.3 C (0.5 F)	69 years	49 of 100 (Notable)
4 August 2003	Quicksand, US	daily rain	54.6 mm (2.1 in)	36.8 mm (1.4 in)	64 years	49 of 100 (Notable)
4 August 2003	Beverly Stp, US	daily rain	48.3 mm (1.9 in)	26.5 mm (1.0 in)	68 years	49 of 100 (Notable)
4 August 2003	Rovaniemi Misi, FI	daily rain	44.2 mm (1.7 in)	33.3 mm (1.3 in)	17 years	48 of 100 (Notable)
4 August 2003	Duvan, RU	daily rain	32.9 mm (1.3 in)	14.9 mm (0.6 in)	60 years	48 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 2003

Records set or tied on this calendar date in each year from 1815 to 2003. 2003 had 1,309 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 2003-08-04: 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 20	953
20 to 40	29
40 to 60	9
60 to 80	1
80 to 100	1