Weather Records on 1 August 2003

1,155 weather records were set or tied worldwide on 1 August 2003. Highest significance: Coldwater St School, US.

Key Facts for 1 August 2003

On 1 August 2003, 1,155 weather records were set or tied at long-record stations worldwide.
662 were record highs and 249 were record lows, counting maximum and minimum temperature.
By timescale, 26 were all-time records, 138 monthly and 991 daily.
Coldwater St School set a daily record precipitation of 74.9 mm (2.9 in) on 1 August 2003.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 437 records.

Record Map

1,155 stations

1,155 station records on 1 August 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 August 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Coldwater St School	United States	Record daily precipitation	74.9 mm (2.9 in)	66 of 100 (Major)
Eureka	United States	Record daily precipitation	34.5 mm (1.4 in)	58 of 100 (Notable)
Kileer	Russia	Record daily precipitation	52.9 mm (2.1 in)	57 of 100 (Notable)
Twentynine Palms	United States	Record daily precipitation	44.7 mm (1.8 in)	57 of 100 (Notable)
Morgantown L&D	United States	Record daily precipitation	70.4 mm (2.8 in)	54 of 100 (Notable)
Chilton	United States	Record daily precipitation	39.6 mm (1.6 in)	54 of 100 (Notable)
Canyonlands-the Neck	United States	Record daily precipitation	25.4 mm (1.0 in)	53 of 100 (Notable)
Vilsandi	Estonia	Record high minimum temperature	22.5 C (72.5 F)	50 of 100 (Notable)
Ciudad Guzman (Obs)	Mexico	Record daily precipitation	64.5 mm (2.5 in)	50 of 100 (Notable)
Ungsberg	Sweden	Record daily precipitation	47.2 mm (1.9 in)	50 of 100 (Notable)
San Marcos Huaquilpan	Mexico	Record daily precipitation	47.5 mm (1.9 in)	49 of 100 (Notable)
Kelliher	United States	Record low minimum temperature	1.7 C (35.1 F)	47 of 100 (Notable)
Port Washington	United States	Record daily precipitation	51.1 mm (2.0 in)	47 of 100 (Notable)
Appleton	United States	Record daily precipitation	40.6 mm (1.6 in)	46 of 100 (Notable)
Villa Purificacion (Dge)	Mexico	Record low minimum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Ruston la Tech	United States	Record daily precipitation	66.0 mm (2.6 in)	45 of 100 (Notable)
Olekminsk	Russia	Record daily precipitation	38.0 mm (1.5 in)	44 of 100 (Notable)
Gotska Sandon	Sweden	Record high maximum temperature	30.6 C (87.1 F)	42 of 100 (Notable)
Bila Tserkva	Ukraine	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Emporium	United States	Record daily precipitation	61.2 mm (2.4 in)	42 of 100 (Notable)
Parnu	Estonia	Record high minimum temperature	20.4 C (68.7 F)	41 of 100 (Notable)
Huejuquilla El Alto (Dge)	Mexico	Record low minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
South Pass City	United States	Record high maximum temperature	30.6 C (87.1 F)	41 of 100 (Notable)
Wuhan	China	Record high maximum temperature	39.6 C (103.3 F)	40 of 100 (Notable)
El Ojito de Camellones	Mexico	Record daily precipitation	70.4 mm (2.8 in)	40 of 100 (Notable)
Mazamitla	Mexico	Record daily precipitation	54.9 mm (2.2 in)	40 of 100 (Notable)
Mineral	United States	Record high minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Rome R B Russell AP	United States	Record daily precipitation	39.4 mm (1.6 in)	40 of 100 (Notable)
Lulea-Bergnaset	Sweden	Record high minimum temperature	19.0 C (66.2 F)	39 of 100 (Notable)
West Sand Lake 2 S	United States	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
Bulken	Norway	Record daily precipitation	25.5 mm (1.0 in)	38 of 100 (Notable)
Grace	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Polson	United States	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Saint Ignatius	United States	Record high maximum temperature	36.7 C (98.1 F)	38 of 100 (Notable)
Overton	United States	Record low maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Bixby	United States	Record daily precipitation	50.3 mm (2.0 in)	38 of 100 (Notable)
Orange	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	62.7 mm (2.5 in)	38 of 100 (Notable)
Inari Ivalo	Finland	Record daily precipitation	30.1 mm (1.2 in)	37 of 100 (Notable)
Presa Malpais	Mexico	Record daily precipitation	47.0 mm (1.9 in)	37 of 100 (Notable)
Lisboa Geofisica	Portugal	Record high maximum temperature	40.6 C (105.1 F)	37 of 100 (Notable)
Dikanas	Sweden	Record high minimum temperature	16.5 C (61.7 F)	37 of 100 (Notable)
Blythe	United States	Record low maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Whitesville 1N	United States	Record daily precipitation	48.8 mm (1.9 in)	37 of 100 (Notable)
Ringgold 2 SE	United States	Record daily precipitation	59.9 mm (2.4 in)	36 of 100 (Notable)
Clarence	United States	Record daily precipitation	35.3 mm (1.4 in)	36 of 100 (Notable)
Pittsfield Muni AP	United States	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Bishop AP	United States	Record low maximum temperature	27.8 C (82.0 F)	36 of 100 (Notable)
Chicago Ohare Intl AP	United States	Record daily precipitation	56.9 mm (2.2 in)	36 of 100 (Notable)
Albany	Australia	Record high minimum temperature	12.1 C (53.8 F)	35 of 100 (Notable)
Parainen Uto	Finland	Record high minimum temperature	22.7 C (72.9 F)	35 of 100 (Notable)
Tomatlan	Mexico	Record daily precipitation	46.0 mm (1.8 in)	35 of 100 (Notable)
Big Creek Ph 1	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Deep Springs College	United States	Record low maximum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Gainesville	United States	Record daily precipitation	45.7 mm (1.8 in)	35 of 100 (Notable)
Richmond Wtr Wks	United States	Record daily precipitation	59.7 mm (2.4 in)	35 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	49.5 mm (1.9 in)	35 of 100 (Notable)
Gold Beach Rs	United States	Record low minimum temperature	1.1 C (34.0 F)	35 of 100 (Notable)
Denton 2 SE	United States	Record high minimum temperature	29.4 C (84.9 F)	35 of 100 (Notable)
Germantown Wastewater Utility	United States	Record daily precipitation	43.2 mm (1.7 in)	35 of 100 (Notable)

Counts by Type and Timescale

1,155 records

Records set or tied on 1 August 2003 by type: Highest daily maximum 278, Lowest daily maximum 161, Highest daily minimum 384, Lowest daily minimum 88, Heaviest daily rainfall 244.

Records on 1 August 2003 by type
Record type	Records
Highest daily maximum	278
Lowest daily maximum	161
Highest daily minimum	384
Lowest daily minimum	88
Heaviest daily rainfall	244
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 August 2003 by timescale: all-time 26, monthly 138, daily 991.

How Much Records Were Beaten By

884 broken records

Margins by which the 884 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 50.8. Ties are not counted.

Top 20 by Significance

1 August 2003

Top 20 records on 1 August 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 August 2003	Coldwater St School, US	daily rain	74.9 mm (2.9 in)	41.9 mm (1.6 in)	76 years	66 of 100 (Major)
1 August 2003	Eureka, US	daily rain	34.5 mm (1.4 in)	26.4 mm (1.0 in)	26 years	58 of 100 (Notable)
1 August 2003	Kileer, RU	monthly rain	52.9 mm (2.1 in)	19.0 mm (0.7 in)	38 years	57 of 100 (Notable)
1 August 2003	Twentynine Palms, US	daily rain	44.7 mm (1.8 in)	34.3 mm (1.4 in)	57 years	57 of 100 (Notable)
1 August 2003	Morgantown L&D, US	daily rain	70.4 mm (2.8 in)	34.6 mm (1.4 in)	56 years	54 of 100 (Notable)
1 August 2003	Chilton, US	daily rain	39.6 mm (1.6 in)	15.5 mm (0.6 in)	104 years	54 of 100 (Notable)
1 August 2003	Canyonlands-the Neck, US	daily rain	25.4 mm (1.0 in)	18.0 mm (0.7 in)	34 years	53 of 100 (Notable)
1 August 2003	Vilsandi, EE	all-time high min	22.5 C (72.5 F)	0.1 C (0.2 F)	76 years	50 of 100 (Notable)
1 August 2003	Ciudad Guzman (Obs), MX	daily rain	64.5 mm (2.5 in)	50.8 mm (2.0 in)	10 years	50 of 100 (Notable)
1 August 2003	Ungsberg, SE	daily rain	47.2 mm (1.9 in)	21.7 mm (0.9 in)	41 years	50 of 100 (Notable)
1 August 2003	San Marcos Huaquilpan, MX	daily rain	47.5 mm (1.9 in)	30.7 mm (1.2 in)	29 years	49 of 100 (Notable)
1 August 2003	Kelliher, US	daily low min	1.7 C (35.1 F)	5.0 C (9.0 F)	92 years	47 of 100 (Notable)
1 August 2003	Port Washington, US	daily rain	51.1 mm (2.0 in)	9.2 mm (0.36 in)	108 years	47 of 100 (Notable)
1 August 2003	Appleton, US	daily rain	40.6 mm (1.6 in)	11.9 mm (0.5 in)	88 years	46 of 100 (Notable)
1 August 2003	Villa Purificacion (Dge), MX	daily low min	15.0 C (59.0 F)	3.3 C (5.9 F)	53 years	45 of 100 (Notable)
1 August 2003	Ruston la Tech, US	daily rain	66.0 mm (2.6 in)	10.1 mm (0.4 in)	97 years	45 of 100 (Notable)
1 August 2003	Olekminsk, RU	daily rain	38.0 mm (1.5 in)	14.9 mm (0.6 in)	32 years	44 of 100 (Notable)
1 August 2003	Gotska Sandon, SE	monthly high max	30.6 C (87.1 F)	1.6 C (2.9 F)	64 years	42 of 100 (Notable)
1 August 2003	Bila Tserkva, UA	daily rain	29.0 mm (1.1 in)	23.7 mm (0.9 in)	42 years	42 of 100 (Notable)
1 August 2003	Emporium, US	daily rain	61.2 mm (2.4 in)	39.9 mm (1.6 in)	2 years	42 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 2003

Records set or tied on this calendar date in each year from 1797 to 2003. 2003 had 1,155 records.

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

Records on 08-01 in each year
Year	Records
1797	1
1816	2
1829	1
1833	1
1834	2
1836	1
1838	1
1842	1
1851	1
1856	1
1858	3
1859	1
1861	1
1862	1
1863	1
1865	1
1868	1
1869	2
1873	1
1874	1
1875	3
1876	1
1878	1
1879	1
1881	3
1883	1
1886	2
1887	1
1890	1
1891	7
1892	4
1893	3
1894	1
1895	3
1896	4
1897	2
1898	3
1899	1
1900	1
1901	3
1902	5
1903	19
1904	10
1905	12
1906	18
1907	13
1908	18
1909	15
1910	30
1911	46
1912	49
1913	25
1914	17
1915	49
1916	16
1917	108
1918	55
1919	32
1920	101
1921	87
1922	44
1923	203
1924	93
1925	281
1926	252
1927	266
1928	132
1929	161
1930	252
1931	362
1932	408
1933	487
1934	448
1935	547
1936	636
1937	492
1938	523
1939	335
1940	333
1941	341
1942	388
1943	398
1944	410
1945	975
1946	336
1947	401
1948	354
1949	324
1950	552
1951	420
1952	391
1953	565
1954	462
1955	796
1956	441
1957	270
1958	389
1959	352
1960	677
1961	404
1962	602
1963	270
1964	883
1965	669
1966	383
1967	250
1968	625
1969	453
1970	482
1971	1,135
1972	609
1973	766
1974	526
1975	915
1976	886
1977	636
1978	706
1979	580
1980	906
1981	668
1982	742
1983	931
1984	532
1985	987
1986	846
1987	999
1988	880
1989	1,301
1990	927
1991	740
1992	1,024
1993	907
1994	1,217
1995	1,513
1996	1,118
1997	904
1998	1,281
1999	1,707
2000	1,020
2001	1,079
2002	1,249
2003	1,155
2004	740
2005	878
2006	1,655
2007	746
2008	795
2009	932
2010	1,182
2011	1,191
2012	850
2013	542
2014	853
2015	864
2016	499
2017	758
2018	987
2019	479
2020	838
2021	1,009
2022	915
2023	627
2024	879
2025	785
2026	1,086

Download the Data

Data for records on 2003-08-01: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	803
10 to 20	49
20 to 30	19
30 to 40	8
40 to 50	4
50 to 60	1