Weather Records on 30 July 2004

936 weather records were set or tied worldwide on 30 July 2004. Highest significance: Flatonia 4SE, US.

Key Facts for 30 July 2004

On 30 July 2004, 936 weather records were set or tied at long-record stations worldwide.
299 were record highs and 410 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 43 monthly and 892 daily.
Flatonia 4SE set a daily record precipitation of 70.6 mm (2.8 in) on 30 July 2004.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 437 records.

Record Map

936 stations

936 station records on 30 July 2004 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 2004: highest significance records shown on the map
Station	Country	Type	Value	Significance
Flatonia 4SE	United States	Record daily precipitation	70.6 mm (2.8 in)	63 of 100 (Major)
Guantanamo Bay NAS	Cuba	Record daily precipitation	151.4 mm (6.0 in)	58 of 100 (Notable)
Podor	Senegal	Record low minimum temperature	15.8 C (60.4 F)	57 of 100 (Notable)
Cumberland Police Brk	United States	Record daily precipitation	48.3 mm (1.9 in)	57 of 100 (Notable)
Waynesville 2 W	United States	Record daily precipitation	91.2 mm (3.6 in)	55 of 100 (Notable)
Sabinal	United States	Record daily precipitation	55.6 mm (2.2 in)	54 of 100 (Notable)
Marshfield 4 WSW	United States	Record daily precipitation	64.0 mm (2.5 in)	53 of 100 (Notable)
Glendale	United States	Record daily precipitation	101.6 mm (4.0 in)	52 of 100 (Notable)
Villa de Arista	Mexico	Record daily precipitation	39.9 mm (1.6 in)	51 of 100 (Notable)
Nevada Wtp	United States	Record low maximum temperature	19.4 C (66.9 F)	51 of 100 (Notable)
Hennessey 4 ESE	United States	Record low maximum temperature	20.6 C (69.1 F)	51 of 100 (Notable)
Rolla 1NE	United States	Record low maximum temperature	13.9 C (57.0 F)	50 of 100 (Notable)
Wills Pt	United States	Record daily precipitation	59.9 mm (2.4 in)	48 of 100 (Notable)
Chatham	United States	Record daily precipitation	63.8 mm (2.5 in)	48 of 100 (Notable)
Lake Toxaway 2 SW	United States	Record daily precipitation	126.2 mm (5.0 in)	47 of 100 (Notable)
Mohall	United States	Record low maximum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Athens	United States	Record daily precipitation	91.9 mm (3.6 in)	46 of 100 (Notable)
Madison Dane Co Rgnl AP	United States	Record daily precipitation	56.9 mm (2.2 in)	46 of 100 (Notable)
Zaragoza	Mexico	Record daily precipitation	33.8 mm (1.3 in)	45 of 100 (Notable)
Galena	United States	Record daily precipitation	52.8 mm (2.1 in)	45 of 100 (Notable)
Rolla Missouri S&T	United States	Record daily precipitation	79.8 mm (3.1 in)	45 of 100 (Notable)
Alva 1W	United States	Record low maximum temperature	23.9 C (75.0 F)	45 of 100 (Notable)
Hohenwald	United States	Record low minimum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Lebanon 2W	United States	Record daily precipitation	74.9 mm (2.9 in)	44 of 100 (Notable)
Subiaco	United States	Record low maximum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Appleton City	United States	Record low maximum temperature	21.7 C (71.1 F)	43 of 100 (Notable)
Meeker 5 W	United States	Record low maximum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Vichy Rolla Natl AP	United States	Record daily precipitation	70.1 mm (2.8 in)	43 of 100 (Notable)
Ixcateopan de Cuauhtemoc	Mexico	Record daily precipitation	61.5 mm (2.4 in)	42 of 100 (Notable)
Newton	United States	Record low maximum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
Chester 1 SE	United States	Record daily precipitation	72.1 mm (2.8 in)	42 of 100 (Notable)
Leroy 5 WSW	United States	Record low minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Sparta 1 W	United States	Record low maximum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Seligman	United States	Record daily precipitation	53.6 mm (2.1 in)	41 of 100 (Notable)
Palisade	United States	Record daily precipitation	37.8 mm (1.5 in)	41 of 100 (Notable)
Clarksville 2NE	United States	Record low maximum temperature	27.8 C (82.0 F)	41 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Whitney Dam	United States	Record daily precipitation	58.9 mm (2.3 in)	41 of 100 (Notable)
Xochitlan Todos Santos	Mexico	Record high minimum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
San Felipe	Mexico	Record daily precipitation	157.0 mm (6.2 in)	40 of 100 (Notable)
Mammoth Spring	United States	Record low maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Clayton 1 SSW	United States	Record daily precipitation	46.2 mm (1.8 in)	40 of 100 (Notable)
Alton - Melvin Price L&D	United States	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Lebanon 2W	United States	Record low maximum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Akron 4 E	United States	Record low minimum temperature	8.9 C (48.0 F)	39 of 100 (Notable)
Paxton	United States	Record daily precipitation	25.4 mm (1.0 in)	39 of 100 (Notable)
Fredericktown 4 S	United States	Record daily precipitation	46.7 mm (1.8 in)	39 of 100 (Notable)
Guthrie 5S	United States	Record low maximum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Bemerside	Australia	Record daily precipitation	33.4 mm (1.3 in)	38 of 100 (Notable)
Floresville	United States	Record daily precipitation	27.7 mm (1.1 in)	38 of 100 (Notable)
Plainview	United States	Record low maximum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Saint Paul Is AP	United States	Record high minimum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Aquespala	Mexico	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Hershey 5 SSE	United States	Record daily precipitation	54.6 mm (2.1 in)	37 of 100 (Notable)
Winnsboro 5 NNE	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Haines AP	United States	Record high minimum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Cardwell Marine Pde	Australia	Record daily precipitation	34.8 mm (1.4 in)	36 of 100 (Notable)
E.T.A. 040 Amacuzac	Mexico	Record daily precipitation	60.5 mm (2.4 in)	36 of 100 (Notable)
Cerritos	Mexico	Record daily precipitation	55.9 mm (2.2 in)	36 of 100 (Notable)
Marshall	United States	Record low maximum temperature	22.2 C (72.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

936 records

Records set or tied on 30 July 2004 by type: Highest daily maximum 144, Lowest daily maximum 270, Highest daily minimum 155, Lowest daily minimum 140, Heaviest daily rainfall 227.

Records on 30 July 2004 by type
Record type	Records
Highest daily maximum	144
Lowest daily maximum	270
Highest daily minimum	155
Lowest daily minimum	140
Heaviest daily rainfall	227
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 2004 by timescale: all-time 1, monthly 43, daily 892.

How Much Records Were Beaten By

671 broken records

Margins by which the 671 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 109.2. Ties are not counted.

Top 20 by Significance

30 July 2004

Top 20 records on 30 July 2004 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2004	Flatonia 4SE, US	daily rain	70.6 mm (2.8 in)	58.4 mm (2.3 in)	71 years	63 of 100 (Major)
30 July 2004	Guantanamo Bay NAS, CU	monthly rain	151.4 mm (6.0 in)	62.2 mm (2.4 in)	8 years	58 of 100 (Notable)
30 July 2004	Podor, SN	monthly low min	15.8 C (60.4 F)	3.4 C (6.1 F)	56 years	57 of 100 (Notable)
30 July 2004	Cumberland Police Brk, US	daily rain	48.3 mm (1.9 in)	35.6 mm (1.4 in)	55 years	57 of 100 (Notable)
30 July 2004	Waynesville 2 W, US	daily rain	91.2 mm (3.6 in)	55.4 mm (2.2 in)	38 years	55 of 100 (Notable)
30 July 2004	Sabinal, US	daily rain	55.6 mm (2.2 in)	49.8 mm (2.0 in)	84 years	54 of 100 (Notable)
30 July 2004	Marshfield 4 WSW, US	daily rain	64.0 mm (2.5 in)	25.9 mm (1.0 in)	94 years	53 of 100 (Notable)
30 July 2004	Glendale, US	daily rain	101.6 mm (4.0 in)	59.2 mm (2.3 in)	40 years	52 of 100 (Notable)
30 July 2004	Villa de Arista, MX	daily rain	39.9 mm (1.6 in)	36.6 mm (1.4 in)	39 years	51 of 100 (Notable)
30 July 2004	Nevada Wtp, US	monthly low max	19.4 C (66.9 F)	0.6 C (1.1 F)	105 years	51 of 100 (Notable)
30 July 2004	Hennessey 4 ESE, US	daily low max	20.6 C (69.1 F)	4.4 C (7.9 F)	105 years	51 of 100 (Notable)
30 July 2004	Rolla 1NE, US	daily low max	13.9 C (57.0 F)	5.0 C (9.0 F)	99 years	50 of 100 (Notable)
30 July 2004	Wills Pt, US	daily rain	59.9 mm (2.4 in)	33.5 mm (1.3 in)	54 years	48 of 100 (Notable)
30 July 2004	Chatham, US	daily rain	63.8 mm (2.5 in)	36.1 mm (1.4 in)	38 years	48 of 100 (Notable)
30 July 2004	Lake Toxaway 2 SW, US	daily rain	126.2 mm (5.0 in)	69.0 mm (2.7 in)	20 years	47 of 100 (Notable)
30 July 2004	Mohall, US	daily low max	16.7 C (62.1 F)	3.3 C (5.9 F)	99 years	46 of 100 (Notable)
30 July 2004	Athens, US	monthly rain	91.9 mm (3.6 in)	24.8 mm (1.0 in)	18 years	46 of 100 (Notable)
30 July 2004	Madison Dane Co Rgnl AP, US	daily rain	56.9 mm (2.2 in)	34.3 mm (1.4 in)	56 years	46 of 100 (Notable)
30 July 2004	Zaragoza, MX	daily rain	33.8 mm (1.3 in)	30.0 mm (1.2 in)	17 years	45 of 100 (Notable)
30 July 2004	Galena, US	daily rain	52.8 mm (2.1 in)	7.6 mm (0.30 in)	103 years	45 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 2004

Records set or tied on this calendar date in each year from 1794 to 2004. 2004 had 936 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 2004-07-30: 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 2026-10-16 (16 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	610
20 to 40	47
40 to 60	9
60 to 80	4
80 to 100	0
100 to 120	1