Weather Records on 4 May 2003

1,158 weather records were set or tied worldwide on 4 May 2003. Highest significance: Kurgan, RU.

Key Facts for 4 May 2003

On 4 May 2003, 1,158 weather records were set or tied at long-record stations worldwide.
742 were record highs and 127 were record lows, counting maximum and minimum temperature.
By timescale, 20 were all-time records, 30 monthly and 1,108 daily.
Kurgan set a daily record precipitation of 43.4 mm (1.7 in) on 4 May 2003.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 426 records.

Record Map

1,158 stations

1,158 station records on 4 May 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 May 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kurgan	Russia	Record daily precipitation	43.4 mm (1.7 in)	79 of 100 (Major)
Kustanai	Kazakhstan	Record daily precipitation	29.3 mm (1.2 in)	77 of 100 (Major)
Onaka	United States	Record daily precipitation	78.7 mm (3.1 in)	76 of 100 (Major)
Wakefield 3NW	United States	Record daily precipitation	54.9 mm (2.2 in)	62 of 100 (Major)
Porterville	United States	Record daily precipitation	35.3 mm (1.4 in)	58 of 100 (Notable)
Roscoe	United States	Record daily precipitation	70.6 mm (2.8 in)	57 of 100 (Notable)
Leola	United States	Record daily precipitation	85.1 mm (3.4 in)	55 of 100 (Notable)
Des Moines Intl AP	United States	Record daily precipitation	63.5 mm (2.5 in)	54 of 100 (Notable)
Vernal	United States	Record low maximum temperature	2.2 C (36.0 F)	53 of 100 (Notable)
Genoa 2 W	United States	Record daily precipitation	50.0 mm (2.0 in)	52 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	53.8 mm (2.1 in)	50 of 100 (Notable)
Forbes 10 NW	United States	Record daily precipitation	70.4 mm (2.8 in)	50 of 100 (Notable)
St. Petersburg	Russia	Record daily precipitation	26.8 mm (1.1 in)	49 of 100 (Notable)
Faulkton	United States	Record daily precipitation	35.6 mm (1.4 in)	49 of 100 (Notable)
Santo Domingo	Mexico	Record low minimum temperature	10.0 C (50.0 F)	48 of 100 (Notable)
Presa Malpais	Mexico	Record high maximum temperature	38.9 C (102.0 F)	47 of 100 (Notable)
Petropavlovsk	Kazakhstan	Record daily precipitation	26.6 mm (1.0 in)	46 of 100 (Notable)
San Gabriel Canyon Ph	United States	Record daily precipitation	33.8 mm (1.3 in)	46 of 100 (Notable)
Rozdilna	Ukraine	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Tacambaro	Mexico	Record high maximum temperature	40.0 C (104.0 F)	44 of 100 (Notable)
Calarasi	Romania	Record high minimum temperature	18.8 C (65.8 F)	44 of 100 (Notable)
Danville Sewage Plt	United States	Record daily precipitation	56.9 mm (2.2 in)	44 of 100 (Notable)
Alsea Fh (Fall Creek)	United States	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Burnet	United States	Record high minimum temperature	23.3 C (73.9 F)	44 of 100 (Notable)
Upper San Leandro Filters	United States	Record daily precipitation	25.1 mm (1.0 in)	43 of 100 (Notable)
Joseph	United States	Record daily snowfall	12.7 cm (5.0 in)	43 of 100 (Notable)
Shanwei	China	Record daily precipitation	182.4 mm (7.2 in)	42 of 100 (Notable)
Little Port Walter	United States	Record high maximum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Milan	Italy	Record high maximum temperature	29.3 C (84.7 F)	40 of 100 (Notable)
Klamath	United States	Record low maximum temperature	5.6 C (42.1 F)	40 of 100 (Notable)
Cheesman	United States	Record high minimum temperature	5.6 C (42.1 F)	40 of 100 (Notable)
Scottsburg	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Cooperstown	United States	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Eureka	United States	Record daily precipitation	43.7 mm (1.7 in)	40 of 100 (Notable)
Karlsruhe	Germany	Record high maximum temperature	28.8 C (83.8 F)	39 of 100 (Notable)
Freiburg	Germany	Record high maximum temperature	28.7 C (83.7 F)	39 of 100 (Notable)
Coahuayutla	Mexico	Record low minimum temperature	9.4 C (48.9 F)	38 of 100 (Notable)
San Jose de Raices	Mexico	Record high minimum temperature	22.8 C (73.0 F)	38 of 100 (Notable)
Simpson 6 N - Wildhorse	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Mason City	United States	Record daily precipitation	28.4 mm (1.1 in)	38 of 100 (Notable)
Kilauea 1134	United States	Record high minimum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Vitoria/Foronda	Spain	Record daily precipitation	43.4 mm (1.7 in)	37 of 100 (Notable)
Atlantic 1 NE	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
Moorcroft 3S	United States	Record low minimum temperature	-6.7 C (19.9 F)	37 of 100 (Notable)
Ainsworth	United States	Record daily precipitation	33.5 mm (1.3 in)	36 of 100 (Notable)
Chama	United States	Record low minimum temperature	-8.9 C (16.0 F)	36 of 100 (Notable)
Shaoguan	China	Record daily precipitation	96.1 mm (3.8 in)	35 of 100 (Notable)
Presa Plutarco Elias Calles	Mexico	Record high maximum temperature	36.7 C (98.1 F)	35 of 100 (Notable)
Hull	United Kingdom	Record high minimum temperature	10.7 C (51.3 F)	35 of 100 (Notable)
Ai-Petri	Ukraine	Record high maximum temperature	22.5 C (72.5 F)	35 of 100 (Notable)
Whiteville 7 NW	United States	Record daily precipitation	77.7 mm (3.1 in)	35 of 100 (Notable)
Fullerton 1 ESE	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Boquilla Numero Uno	Mexico	Record high maximum temperature	43.9 C (111.0 F)	34 of 100 (Routine)
Turlock #2	United States	Record low maximum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Shoshone	United States	Record daily precipitation	25.7 mm (1.0 in)	34 of 100 (Routine)
Goldbutte 7 N	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
Pte de la Hague	France	Record high maximum temperature	21.9 C (71.4 F)	33 of 100 (Routine)
San Juan Chamula	Mexico	Record low minimum temperature	-2.2 C (28.0 F)	33 of 100 (Routine)
Saint Bernard	United States	Record high minimum temperature	21.7 C (71.1 F)	33 of 100 (Routine)
Calaveras Big Trees	United States	Record high minimum temperature	12.8 C (55.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,158 records

Records set or tied on 4 May 2003 by type: Highest daily maximum 402, Lowest daily maximum 52, Highest daily minimum 340, Lowest daily minimum 75, Heaviest daily rainfall 277, Heaviest daily snowfall 9, Deepest snow cover 3.

Records on 4 May 2003 by type
Record type	Records
Highest daily maximum	402
Lowest daily maximum	52
Highest daily minimum	340
Lowest daily minimum	75
Heaviest daily rainfall	277
Heaviest daily snowfall	9
Deepest snow cover	3

Records on 4 May 2003 by timescale: all-time 20, monthly 30, daily 1,108.

How Much Records Were Beaten By

830 broken records

Margins by which the 830 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.3. Ties are not counted.

Top 20 by Significance

4 May 2003

Top 20 records on 4 May 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 May 2003	Kurgan, RU	daily rain	43.4 mm (1.7 in)	28.9 mm (1.1 in)	98 years	79 of 100 (Major)
4 May 2003	Kustanai, KZ	daily rain	29.3 mm (1.2 in)	18.4 mm (0.7 in)	92 years	77 of 100 (Major)
4 May 2003	Onaka, US	daily rain	78.7 mm (3.1 in)	61.7 mm (2.4 in)	90 years	76 of 100 (Major)
4 May 2003	Wakefield 3NW, US	daily rain	54.9 mm (2.2 in)	24.7 mm (1.0 in)	101 years	62 of 100 (Major)
4 May 2003	Porterville, US	daily rain	35.3 mm (1.4 in)	28.2 mm (1.1 in)	32 years	58 of 100 (Notable)
4 May 2003	Roscoe, US	daily rain	70.6 mm (2.8 in)	55.4 mm (2.2 in)	33 years	57 of 100 (Notable)
4 May 2003	Leola, US	daily rain	85.1 mm (3.4 in)	60.7 mm (2.4 in)	18 years	55 of 100 (Notable)
4 May 2003	Des Moines Intl AP, US	daily rain	63.5 mm (2.5 in)	39.1 mm (1.5 in)	52 years	54 of 100 (Notable)
4 May 2003	Vernal, US	monthly low max	2.2 C (36.0 F)	2.2 C (4.0 F)	97 years	53 of 100 (Notable)
4 May 2003	Genoa 2 W, US	daily rain	50.0 mm (2.0 in)	17.0 mm (0.7 in)	101 years	52 of 100 (Notable)
4 May 2003	Du Quoin 4 SE, US	daily rain	53.8 mm (2.1 in)	15.7 mm (0.6 in)	97 years	50 of 100 (Notable)
4 May 2003	Forbes 10 NW, US	daily rain	70.4 mm (2.8 in)	48.8 mm (1.9 in)	18 years	50 of 100 (Notable)
4 May 2003	St. Petersburg, RU	daily rain	26.8 mm (1.1 in)	7.3 mm (0.29 in)	80 years	49 of 100 (Notable)
4 May 2003	Faulkton, US	daily rain	35.6 mm (1.4 in)	11.5 mm (0.5 in)	97 years	49 of 100 (Notable)
4 May 2003	Santo Domingo, MX	daily low min	10.0 C (50.0 F)	5.0 C (9.0 F)	49 years	48 of 100 (Notable)
4 May 2003	Presa Malpais, MX	all-time high max	38.9 C (102.0 F)	1.1 C (2.0 F)	58 years	47 of 100 (Notable)
4 May 2003	Petropavlovsk, KZ	daily rain	26.6 mm (1.0 in)	8.1 mm (0.32 in)	60 years	46 of 100 (Notable)
4 May 2003	San Gabriel Canyon Ph, US	daily rain	33.8 mm (1.3 in)	16.0 mm (0.6 in)	72 years	46 of 100 (Notable)
4 May 2003	Rozdilna, UA	daily rain	26.0 mm (1.0 in)	12.2 mm (0.5 in)	61 years	45 of 100 (Notable)
4 May 2003	Tacambaro, MX	daily high max	40.0 C (104.0 F)	4.4 C (7.9 F)	66 years	44 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

1795 to 2003

Records set or tied on this calendar date in each year from 1795 to 2003. 2003 had 1,158 records.

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

Records on 05-04 in each year
Year	Records
1795	1
1796	1
1820	1
1836	2
1840	1
1847	1
1850	2
1851	2
1852	1
1856	3
1858	1
1859	1
1861	2
1862	1
1864	3
1865	2
1868	3
1869	1
1870	2
1875	1
1877	2
1878	1
1879	1
1880	1
1882	1
1885	1
1886	1
1888	1
1889	4
1890	1
1892	4
1893	3
1894	6
1895	3
1896	3
1897	2
1898	2
1899	2
1900	2
1902	5
1903	8
1904	8
1905	19
1906	5
1907	37
1908	18
1909	13
1910	14
1911	37
1912	12
1913	63
1914	21
1915	75
1916	57
1917	60
1918	30
1919	69
1920	43
1921	62
1922	283
1923	82
1924	88
1925	80
1926	230
1927	112
1928	205
1929	177
1930	269
1931	169
1932	104
1933	274
1934	456
1935	518
1936	313
1937	230
1938	445
1939	295
1940	602
1941	436
1942	820
1943	358
1944	872
1945	654
1946	463
1947	649
1948	578
1949	1,130
1950	953
1951	292
1952	698
1953	389
1954	1,045
1955	471
1956	433
1957	433
1958	414
1959	613
1960	443
1961	466
1962	265
1963	313
1964	570
1965	433
1966	1,113
1967	928
1968	304
1969	377
1970	454
1971	810
1972	364
1973	313
1974	367
1975	683
1976	554
1977	736
1978	1,016
1979	1,529
1980	511
1981	667
1982	591
1983	539
1984	885
1985	821
1986	1,128
1987	1,004
1988	591
1989	743
1990	1,461
1991	1,088
1992	933
1993	791
1994	821
1995	974
1996	1,298
1997	962
1998	898
1999	1,167
2000	1,398
2001	1,345
2002	1,343
2003	1,158
2004	1,341
2005	1,152
2006	650
2007	699
2008	624
2009	727
2010	999
2011	1,023
2012	1,343
2013	1,447
2014	602
2015	622
2016	463
2017	669
2018	972
2019	574
2020	504
2021	616
2022	470
2023	681
2024	885
2025	456
2026	554

Download the Data

Data for records on 2003-05-04: 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	788
20 to 40	28
40 to 60	8
60 to 80	5
80 to 100	1