Weather Records on 30 July 2003

1,163 weather records were set or tied worldwide on 30 July 2003. Highest significance: Ojuelos de Jalisco (Dge), MX.

Key Facts for 30 July 2003

On 30 July 2003, 1,163 weather records were set or tied at long-record stations worldwide.
715 were record highs and 229 were record lows, counting maximum and minimum temperature.
By timescale, 18 were all-time records, 30 monthly and 1,115 daily.
Ojuelos de Jalisco (Dge) set a daily record precipitation of 89.9 mm (3.5 in) on 30 July 2003.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 436 records.

Record Map

1,163 stations

1,163 station records on 30 July 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ojuelos de Jalisco (Dge)	Mexico	Record daily precipitation	89.9 mm (3.5 in)	57 of 100 (Notable)
Ajo	United States	Record daily precipitation	45.5 mm (1.8 in)	50 of 100 (Notable)
Hennessey 4 ESE	United States	Record daily precipitation	80.0 mm (3.1 in)	50 of 100 (Notable)
Parnu	Estonia	Record high maximum temperature	33.2 C (91.8 F)	49 of 100 (Notable)
Abu Hamed	Sudan	Record daily precipitation	59.9 mm (2.4 in)	48 of 100 (Notable)
Pipe Spring Nm	United States	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Pjarnu	Estonia	Record high maximum temperature	33.2 C (91.8 F)	47 of 100 (Notable)
Bagdad	United States	Record daily precipitation	32.3 mm (1.3 in)	47 of 100 (Notable)
Zakatala	Azerbaijan	Record daily precipitation	99.8 mm (3.9 in)	46 of 100 (Notable)
Presa Colorines (Cfe)	Mexico	Record low minimum temperature	10.6 C (51.1 F)	46 of 100 (Notable)
Botosani	Romania	Record daily precipitation	59.8 mm (2.4 in)	46 of 100 (Notable)
Davis 2 WSW Exp Farm	United States	Record high minimum temperature	20.0 C (68.0 F)	46 of 100 (Notable)
Mirboo North Water Board	Australia	Record daily precipitation	34.2 mm (1.3 in)	44 of 100 (Notable)
Norman 3SSE	United States	Record daily precipitation	55.6 mm (2.2 in)	44 of 100 (Notable)
Sewanee	United States	Record low maximum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Lindsay	United States	Record high minimum temperature	27.2 C (81.0 F)	43 of 100 (Notable)
Olga 2 SE	United States	Record high minimum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Eno Pamilo Luhtapohja	Finland	Record daily precipitation	37.5 mm (1.5 in)	42 of 100 (Notable)
Corvallis State UNIV	United States	Record high maximum temperature	38.3 C (100.9 F)	42 of 100 (Notable)
Falls City 2 SSW	United States	Record high minimum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Parnu	Estonia	Record high minimum temperature	20.8 C (69.4 F)	41 of 100 (Notable)
Upper Lake 2 N	United States	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Ola	United States	Record high maximum temperature	40.6 C (105.1 F)	41 of 100 (Notable)
Ashland	United States	Record high maximum temperature	40.0 C (104.0 F)	41 of 100 (Notable)
Coupeville 1 S	United States	Record high maximum temperature	32.2 C (90.0 F)	41 of 100 (Notable)
Zitlaltepec	Mexico	Record daily precipitation	104.1 mm (4.1 in)	40 of 100 (Notable)
Corinth 5 WSW	United States	Record low maximum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Xining	China	Record daily precipitation	47.8 mm (1.9 in)	39 of 100 (Notable)
Wynne	United States	Record low maximum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Grants Pass	United States	Record high maximum temperature	42.2 C (108.0 F)	39 of 100 (Notable)
Hood Rvr Exp STN	United States	Record high maximum temperature	39.4 C (102.9 F)	39 of 100 (Notable)
Clarksville	United States	Record daily precipitation	96.5 mm (3.8 in)	39 of 100 (Notable)
Samaria	Mexico	Record low minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Lisboa Geofisica	Portugal	Record high minimum temperature	24.1 C (75.4 F)	38 of 100 (Notable)
Pocahontas 1	United States	Record low maximum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Tulelake	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Cordell	United States	Record daily precipitation	52.1 mm (2.1 in)	38 of 100 (Notable)
Vale	United States	Record high maximum temperature	41.7 C (107.1 F)	38 of 100 (Notable)
Choshi	Japan	Record daily precipitation	35.1 mm (1.4 in)	37 of 100 (Notable)
Santo Domingo	Mexico	Record low minimum temperature	10.0 C (50.0 F)	37 of 100 (Notable)
Ixcateopan de Tlapa	Mexico	Record high maximum temperature	40.0 C (104.0 F)	37 of 100 (Notable)
Alicia 2 NNE	United States	Record low maximum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Wilbur	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Qu Xian	China	Record high maximum temperature	40.8 C (105.4 F)	36 of 100 (Notable)
San Jose de Raices	Mexico	Record high minimum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Bucklin 1SE	United States	Record daily precipitation	40.9 mm (1.6 in)	36 of 100 (Notable)
Union	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Newport	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
San Miguel Ejutla	Mexico	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
St. Petersburg	Russia	Record high minimum temperature	21.4 C (70.5 F)	35 of 100 (Notable)
Anapa	Russia	Record daily precipitation	42.1 mm (1.7 in)	35 of 100 (Notable)
Hersonsskiy,Mayak	Ukraine	Record daily precipitation	67.0 mm (2.6 in)	35 of 100 (Notable)
Ft Bidwell	United States	Record high maximum temperature	37.8 C (100.0 F)	35 of 100 (Notable)
Merced	United States	Record high minimum temperature	23.9 C (75.0 F)	35 of 100 (Notable)
Yreka	United States	Record high maximum temperature	41.7 C (107.1 F)	35 of 100 (Notable)
Priest Rvr Exp STN	United States	Record high maximum temperature	37.8 C (100.0 F)	35 of 100 (Notable)
Stevensville	United States	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Lake City 2 SE	United States	Record daily precipitation	59.7 mm (2.4 in)	35 of 100 (Notable)
Vilsandi	Estonia	Record high maximum temperature	30.7 C (87.3 F)	34 of 100 (Routine)
Zamboanga	Philippines	Record daily precipitation	129.8 mm (5.1 in)	34 of 100 (Routine)

Counts by Type and Timescale

1,163 records

Records set or tied on 30 July 2003 by type: Highest daily maximum 369, Lowest daily maximum 140, Highest daily minimum 346, Lowest daily minimum 89, Heaviest daily rainfall 219.

Records on 30 July 2003 by type
Record type	Records
Highest daily maximum	369
Lowest daily maximum	140
Highest daily minimum	346
Lowest daily minimum	89
Heaviest daily rainfall	219
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 2003 by timescale: all-time 18, monthly 30, daily 1,115.

How Much Records Were Beaten By

899 broken records

Margins by which the 899 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.9. Ties are not counted.

Top 20 by Significance

30 July 2003

Top 20 records on 30 July 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2003	Ojuelos de Jalisco (Dge), MX	daily rain	89.9 mm (3.5 in)	51.5 mm (2.0 in)	48 years	57 of 100 (Notable)
30 July 2003	Ajo, US	daily rain	45.5 mm (1.8 in)	18.3 mm (0.7 in)	72 years	50 of 100 (Notable)
30 July 2003	Hennessey 4 ESE, US	daily rain	80.0 mm (3.1 in)	42.9 mm (1.7 in)	42 years	50 of 100 (Notable)
30 July 2003	Parnu, EE	all-time high max	33.2 C (91.8 F)	0.6 C (1.1 F)	66 years	49 of 100 (Notable)
30 July 2003	Abu Hamed, SD	daily rain	59.9 mm (2.4 in)	56.9 mm (2.2 in)	14 years	48 of 100 (Notable)
30 July 2003	Pipe Spring Nm, US	daily rain	31.0 mm (1.2 in)	23.1 mm (0.9 in)	20 years	48 of 100 (Notable)
30 July 2003	Pjarnu, EE	all-time high max	33.2 C (91.8 F)	0.6 C (1.1 F)	66 years	47 of 100 (Notable)
30 July 2003	Bagdad, US	daily rain	32.3 mm (1.3 in)	20.9 mm (0.8 in)	46 years	47 of 100 (Notable)
30 July 2003	Zakatala, AZ	daily rain	99.8 mm (3.9 in)	57.9 mm (2.3 in)	33 years	46 of 100 (Notable)
30 July 2003	Presa Colorines (Cfe), MX	daily low min	10.6 C (51.1 F)	2.7 C (4.9 F)	46 years	46 of 100 (Notable)
30 July 2003	Botosani, RO	daily rain	59.8 mm (2.4 in)	45.2 mm (1.8 in)	6 years	46 of 100 (Notable)
30 July 2003	Davis 2 WSW Exp Farm, US	daily high min	20.0 C (68.0 F)	2.2 C (4.0 F)	94 years	46 of 100 (Notable)
30 July 2003	Mirboo North Water Board, AU	daily rain	34.2 mm (1.3 in)	18.2 mm (0.7 in)	48 years	44 of 100 (Notable)
30 July 2003	Norman 3SSE, US	daily rain	55.6 mm (2.2 in)	23.8 mm (0.9 in)	69 years	44 of 100 (Notable)
30 July 2003	Sewanee, US	daily low max	22.8 C (73.0 F)	2.8 C (5.0 F)	84 years	44 of 100 (Notable)
30 July 2003	Lindsay, US	daily high min	27.2 C (81.0 F)	4.4 C (7.9 F)	66 years	43 of 100 (Notable)
30 July 2003	Olga 2 SE, US	daily high min	15.6 C (60.1 F)	0.6 C (1.1 F)	100 years	43 of 100 (Notable)
30 July 2003	Eno Pamilo Luhtapohja, FI	daily rain	37.5 mm (1.5 in)	24.5 mm (1.0 in)	8 years	42 of 100 (Notable)
30 July 2003	Corvallis State UNIV, US	daily high max	38.3 C (100.9 F)	1.1 C (2.0 F)	104 years	42 of 100 (Notable)
30 July 2003	Falls City 2 SSW, US	daily high min	15.6 C (60.1 F)	1.2 C (2.2 F)	96 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

1794 to 2003

Records set or tied on this calendar date in each year from 1794 to 2003. 2003 had 1,163 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 2003-07-30: 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	824
10 to 20	44
20 to 30	23
30 to 40	2
40 to 50	2
50 to 60	4