Weather Records on 4 July 2003

617 weather records were set or tied worldwide on 4 July 2003. Highest significance: Isabela Substn, PR.

Key Facts for 4 July 2003

On 4 July 2003, 617 weather records were set or tied at long-record stations worldwide.
282 were record highs and 162 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 27 monthly and 586 daily.
Isabela Substn set a daily record precipitation of 130.8 mm (5.1 in) on 4 July 2003.
Across 163 earlier years (1806 to 2026) the same calendar date averaged 421 records.

Record Map

617 stations

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

Weather records on 4 July 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Isabela Substn	Puerto Rico [United States]	Record daily precipitation	130.8 mm (5.1 in)	60 of 100 (Major)
San Augustine	United States	Record daily precipitation	109.7 mm (4.3 in)	59 of 100 (Notable)
Abu Hamed	Sudan	Record daily precipitation	62.2 mm (2.4 in)	56 of 100 (Notable)
Espanola	United States	Record high maximum temperature	41.7 C (107.1 F)	54 of 100 (Notable)
Freer	United States	Record daily precipitation	101.6 mm (4.0 in)	53 of 100 (Notable)
Salla Kelloselka	Finland	Record daily precipitation	49.8 mm (2.0 in)	52 of 100 (Notable)
Presa Colorines (Cfe)	Mexico	Record low minimum temperature	10.6 C (51.1 F)	52 of 100 (Notable)
Gonzalez	Mexico	Record daily precipitation	151.9 mm (6.0 in)	52 of 100 (Notable)
Rushville	United States	Record daily precipitation	80.0 mm (3.1 in)	52 of 100 (Notable)
Hornisgrinde	Germany	Record daily precipitation	60.3 mm (2.4 in)	49 of 100 (Notable)
Carville 2 SW	United States	Record daily precipitation	67.3 mm (2.6 in)	49 of 100 (Notable)
La Salitrera	Mexico	Record daily precipitation	59.9 mm (2.4 in)	47 of 100 (Notable)
Sabinal	United States	Record daily precipitation	94.0 mm (3.7 in)	47 of 100 (Notable)
Houston N Houston	United States	Record daily precipitation	68.6 mm (2.7 in)	45 of 100 (Notable)
Monmouth	United States	Record high minimum temperature	24.4 C (75.9 F)	44 of 100 (Notable)
Split Marjan	Croatia	Record daily precipitation	33.6 mm (1.3 in)	42 of 100 (Notable)
Mohyliv-Podilskyi	Ukraine	Record daily precipitation	106.7 mm (4.2 in)	41 of 100 (Notable)
Hillsboro	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Ottawa 4SW	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Walthill 1E	United States	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Klamath	United States	Record low minimum temperature	2.2 C (36.0 F)	40 of 100 (Notable)
Sioux City AP	United States	Record daily precipitation	47.5 mm (1.9 in)	40 of 100 (Notable)
Canon City	United States	Record high maximum temperature	37.8 C (100.0 F)	39 of 100 (Notable)
Tallinn	Estonia	Record daily precipitation	25.0 mm (1.0 in)	38 of 100 (Notable)
Marion 2 N	United States	Record daily precipitation	127.0 mm (5.0 in)	38 of 100 (Notable)
Houston Hts	United States	Record daily precipitation	64.8 mm (2.6 in)	38 of 100 (Notable)
Corpus Christi NAS	United States	Record low maximum temperature	27.8 C (82.0 F)	38 of 100 (Notable)
Mulege	Mexico	Record low minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Salida	United States	Record high maximum temperature	35.6 C (96.1 F)	37 of 100 (Notable)
Presa de Guadalupe	Mexico	Record daily precipitation	59.9 mm (2.4 in)	36 of 100 (Notable)
La Reforma	Mexico	Record daily precipitation	51.1 mm (2.0 in)	36 of 100 (Notable)
Shadrinsk	Russia	Record daily precipitation	41.4 mm (1.6 in)	36 of 100 (Notable)
Interior 3 NE	United States	Record daily precipitation	32.3 mm (1.3 in)	36 of 100 (Notable)
Uliastai	China	Record daily precipitation	30.9 mm (1.2 in)	35 of 100 (Notable)
San Jose Alburquerque	Mexico	Record daily precipitation	49.8 mm (2.0 in)	35 of 100 (Notable)
Sirte	Libya	Record high minimum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
Villa Purificacion (Dge)	Mexico	Record low minimum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Zonguldak	Turkey	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
W Manchester 3 WSW	United States	Record daily precipitation	49.0 mm (1.9 in)	34 of 100 (Routine)
Sinton	United States	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Platon Sanchez	Mexico	Record daily precipitation	107.7 mm (4.2 in)	33 of 100 (Routine)
Goldfield	United States	Record low minimum temperature	-4.4 C (24.1 F)	32 of 100 (Routine)
Louisburg	United States	Record low minimum temperature	11.1 C (52.0 F)	32 of 100 (Routine)
Hebbronville	United States	Record daily precipitation	57.2 mm (2.3 in)	32 of 100 (Routine)
Santuario	Mexico	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Magdalena	Mexico	Record low maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
San Jose de Raices	Mexico	Record high minimum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
Cruillas	Mexico	Record daily precipitation	79.8 mm (3.1 in)	31 of 100 (Routine)
Mahackala	Russia	Record low minimum temperature	11.2 C (52.2 F)	31 of 100 (Routine)
Vannas	Sweden	Record daily precipitation	28.6 mm (1.1 in)	31 of 100 (Routine)
Cheesman	United States	Record high maximum temperature	34.4 C (93.9 F)	31 of 100 (Routine)
Orangeburg 2	United States	Record daily precipitation	65.8 mm (2.6 in)	31 of 100 (Routine)
Farmville	United States	Record low maximum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Zinnowitz	Germany	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Mendez	Mexico	Record daily precipitation	95.3 mm (3.8 in)	30 of 100 (Routine)
Tafjord	Norway	Record high minimum temperature	16.5 C (61.7 F)	30 of 100 (Routine)
Delphi 2 N	United States	Record daily precipitation	49.0 mm (1.9 in)	30 of 100 (Routine)
Lincoln 1 SE	United States	Record high maximum temperature	43.3 C (109.9 F)	30 of 100 (Routine)
Cascadia	United States	Record low minimum temperature	3.3 C (37.9 F)	30 of 100 (Routine)
Mathis 4 SSW	United States	Record low maximum temperature	27.2 C (81.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

617 records

Records set or tied on 4 July 2003 by type: Highest daily maximum 136, Lowest daily maximum 83, Highest daily minimum 146, Lowest daily minimum 79, Heaviest daily rainfall 173.

Records on 4 July 2003 by type
Record type	Records
Highest daily maximum	136
Lowest daily maximum	83
Highest daily minimum	146
Lowest daily minimum	79
Heaviest daily rainfall	173
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 July 2003 by timescale: all-time 4, monthly 27, daily 586.

How Much Records Were Beaten By

418 broken records

Margins by which the 418 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.0. Ties are not counted.

Top 20 by Significance

4 July 2003

Top 20 records on 4 July 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 July 2003	Isabela Substn, PR	daily rain	130.8 mm (5.1 in)	99.0 mm (3.9 in)	34 years	60 of 100 (Major)
4 July 2003	San Augustine, US	monthly rain	109.7 mm (4.3 in)	17.0 mm (0.7 in)	91 years	59 of 100 (Notable)
4 July 2003	Abu Hamed, SD	monthly rain	62.2 mm (2.4 in)	35.2 mm (1.4 in)	24 years	56 of 100 (Notable)
4 July 2003	Espanola, US	all-time high max	41.7 C (107.1 F)	0.6 C (1.1 F)	77 years	54 of 100 (Notable)
4 July 2003	Freer, US	daily rain	101.6 mm (4.0 in)	84.3 mm (3.3 in)	28 years	53 of 100 (Notable)
4 July 2003	Salla Kelloselka, FI	daily rain	49.8 mm (2.0 in)	36.6 mm (1.4 in)	32 years	52 of 100 (Notable)
4 July 2003	Presa Colorines (Cfe), MX	daily low min	10.6 C (51.1 F)	3.3 C (5.9 F)	48 years	52 of 100 (Notable)
4 July 2003	Gonzalez, MX	daily rain	151.9 mm (6.0 in)	77.7 mm (3.1 in)	28 years	52 of 100 (Notable)
4 July 2003	Rushville, US	daily rain	80.0 mm (3.1 in)	27.9 mm (1.1 in)	70 years	52 of 100 (Notable)
4 July 2003	Hornisgrinde, DE	daily rain	60.3 mm (2.4 in)	38.8 mm (1.5 in)	48 years	49 of 100 (Notable)
4 July 2003	Carville 2 SW, US	daily rain	67.3 mm (2.6 in)	41.6 mm (1.6 in)	57 years	49 of 100 (Notable)
4 July 2003	La Salitrera, MX	daily rain	59.9 mm (2.4 in)	40.1 mm (1.6 in)	29 years	47 of 100 (Notable)
4 July 2003	Sabinal, US	daily rain	94.0 mm (3.7 in)	33.0 mm (1.3 in)	82 years	47 of 100 (Notable)
4 July 2003	Houston N Houston, US	daily rain	68.6 mm (2.7 in)	42.9 mm (1.7 in)	41 years	45 of 100 (Notable)
4 July 2003	Monmouth, US	daily high min	24.4 C (75.9 F)	1.6 C (2.9 F)	105 years	44 of 100 (Notable)
4 July 2003	Split Marjan, HR	daily rain	33.6 mm (1.3 in)	24.6 mm (1.0 in)	12 years	42 of 100 (Notable)
4 July 2003	Mohyliv-Podilskyi, UA	monthly rain	106.7 mm (4.2 in)	23.9 mm (0.9 in)	20 years	41 of 100 (Notable)
4 July 2003	Hillsboro, US	daily high min	23.9 C (75.0 F)	0.6 C (1.1 F)	101 years	41 of 100 (Notable)
4 July 2003	Ottawa 4SW, US	daily high min	25.0 C (77.0 F)	0.6 C (1.1 F)	105 years	41 of 100 (Notable)
4 July 2003	Walthill 1E, US	daily rain	45.2 mm (1.8 in)	11.7 mm (0.5 in)	81 years	41 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

1806 to 2003

Records set or tied on this calendar date in each year from 1806 to 2003. 2003 had 617 records.

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

Records on 07-04 in each year
Year	Records
1806	1
1815	2
1827	1
1828	1
1836	1
1837	1
1838	1
1839	2
1845	1
1850	1
1852	1
1856	2
1858	2
1859	1
1860	1
1863	1
1867	1
1868	1
1873	1
1874	2
1875	1
1877	1
1878	1
1879	1
1883	2
1887	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	3
1895	1
1896	2
1897	3
1898	6
1899	4
1900	10
1901	5
1902	8
1903	7
1904	12
1905	6
1906	15
1907	26
1908	14
1909	20
1910	33
1911	62
1912	28
1913	25
1914	48
1915	36
1916	25
1917	107
1918	72
1919	49
1920	105
1921	50
1922	61
1923	59
1924	230
1925	137
1926	139
1927	290
1928	150
1929	255
1930	276
1931	479
1932	635
1933	459
1934	521
1935	319
1936	1,189
1937	341
1938	353
1939	389
1940	504
1941	409
1942	495
1943	348
1944	553
1945	151
1946	288
1947	258
1948	293
1949	474
1950	335
1951	388
1952	285
1953	431
1954	291
1955	433
1956	381
1957	449
1958	517
1959	280
1960	562
1961	525
1962	619
1963	417
1964	383
1965	258
1966	473
1967	935
1968	668
1969	746
1970	675
1971	385
1972	1,195
1973	656
1974	546
1975	879
1976	785
1977	593
1978	1,020
1979	604
1980	674
1981	850
1982	858
1983	942
1984	851
1985	729
1986	1,129
1987	611
1988	1,158
1989	981
1990	871
1991	872
1992	1,023
1993	1,053
1994	1,131
1995	1,128
1996	1,014
1997	1,251
1998	925
1999	1,632
2000	891
2001	1,120
2002	1,152
2003	617
2004	668
2005	834
2006	924
2007	1,052
2008	764
2009	845
2010	1,124
2011	777
2012	1,205
2013	866
2014	456
2015	1,384
2016	919
2017	496
2018	653
2019	528
2020	365
2021	789
2022	700
2023	627
2024	765
2025	737
2026	717

Download the Data

Data for records on 2003-07-04: 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	385
20 to 40	25
40 to 60	5
60 to 80	1
80 to 100	2