Weather Records on 4 August 2004

968 weather records were set or tied worldwide on 4 August 2004. Highest significance: Sarna, SE.

Key Facts for 4 August 2004

On 4 August 2004, 968 weather records were set or tied at long-record stations worldwide.
388 were record highs and 143 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 47 monthly and 916 daily.
Sarna set an all-time record daily precipitation of 94.4 mm (3.7 in) on 4 August 2004.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 438 records.

Record Map

968 stations

968 station records on 4 August 2004 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 2004: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sarna	Sweden	Record daily precipitation	94.4 mm (3.7 in)	98 of 100 (Exceptional)
Waipahu 750	United States	Record daily precipitation	45.7 mm (1.8 in)	77 of 100 (Major)
Maristova	Norway	Record daily precipitation	30.3 mm (1.2 in)	75 of 100 (Major)
Lisskogsasen	Sweden	Record daily precipitation	108.0 mm (4.3 in)	75 of 100 (Major)
Munkfors	Sweden	Record daily precipitation	89.5 mm (3.5 in)	71 of 100 (Major)
Ewa Plantation 741	United States	Record daily precipitation	54.6 mm (2.1 in)	71 of 100 (Major)
Manoa 712.1	United States	Record daily precipitation	82.6 mm (3.3 in)	69 of 100 (Major)
Rockypoint 7NNE	United States	Record daily precipitation	37.1 mm (1.5 in)	67 of 100 (Major)
UNIV of Hawaii 713	United States	Record daily precipitation	83.3 mm (3.3 in)	67 of 100 (Major)
Aktobe	Kazakhstan	Record daily precipitation	38.6 mm (1.5 in)	66 of 100 (Major)
Mauna Loa 511	United States	Record daily precipitation	50.8 mm (2.0 in)	66 of 100 (Major)
Honolulu Intl AP	United States	Record daily precipitation	74.2 mm (2.9 in)	66 of 100 (Major)
Carrollton	United States	Record daily precipitation	76.2 mm (3.0 in)	63 of 100 (Major)
Nuuanu Rsch 5 775	United States	Record daily precipitation	77.7 mm (3.1 in)	63 of 100 (Major)
Audubon	United States	Record daily precipitation	88.9 mm (3.5 in)	60 of 100 (Major)
Manoa Tun 2 716	United States	Record daily precipitation	109.2 mm (4.3 in)	59 of 100 (Notable)
Opaeula 870	United States	Record daily precipitation	61.0 mm (2.4 in)	59 of 100 (Notable)
Waiahole 837	United States	Record daily precipitation	292.1 mm (11.5 in)	59 of 100 (Notable)
Lihue WSO AP 1020.1	United States	Record daily precipitation	56.1 mm (2.2 in)	59 of 100 (Notable)
Torsby	Sweden	Record daily precipitation	69.4 mm (2.7 in)	58 of 100 (Notable)
Mt Ayr	United States	Record daily precipitation	68.1 mm (2.7 in)	58 of 100 (Notable)
Gustavsfors	Sweden	Record daily precipitation	69.7 mm (2.7 in)	57 of 100 (Notable)
Eldora	United States	Record daily precipitation	86.4 mm (3.4 in)	57 of 100 (Notable)
Wilhelmina Rise 721	United States	Record daily precipitation	81.0 mm (3.2 in)	57 of 100 (Notable)
Greenfield	United States	Record daily precipitation	66.0 mm (2.6 in)	56 of 100 (Notable)
Ulupalakua Rch 250	United States	Record daily precipitation	55.9 mm (2.2 in)	56 of 100 (Notable)
Birdwood	Australia	Record daily precipitation	41.2 mm (1.6 in)	55 of 100 (Notable)
Loten_D	Sweden	Record daily precipitation	64.8 mm (2.6 in)	55 of 100 (Notable)
Louisville	United States	Record low minimum temperature	12.2 C (54.0 F)	55 of 100 (Notable)
Uraidla	Australia	Record daily precipitation	59.0 mm (2.3 in)	54 of 100 (Notable)
Teloloapan	Mexico	Record daily precipitation	78.0 mm (3.1 in)	53 of 100 (Notable)
Marion 2 N	United States	Record daily precipitation	34.3 mm (1.4 in)	53 of 100 (Notable)
Acambaro	Mexico	Record daily precipitation	61.0 mm (2.4 in)	52 of 100 (Notable)
Mimiapan	Mexico	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Stalldalen	Sweden	Record daily precipitation	68.3 mm (2.7 in)	52 of 100 (Notable)
Lamoni	United States	Record daily precipitation	77.0 mm (3.0 in)	52 of 100 (Notable)
Grundforsen	Sweden	Record daily precipitation	48.6 mm (1.9 in)	51 of 100 (Notable)
Biri	Norway	Record daily precipitation	69.0 mm (2.7 in)	50 of 100 (Notable)
T Uleniy-Ostrov	Russia	Record daily precipitation	42.9 mm (1.7 in)	50 of 100 (Notable)
Grovelsjon	Sweden	Record daily precipitation	55.0 mm (2.2 in)	50 of 100 (Notable)
Yarrangobilly Caves	Australia	Record daily precipitation	28.4 mm (1.1 in)	49 of 100 (Notable)
Tepeji del Rio	Mexico	Record daily precipitation	69.9 mm (2.8 in)	49 of 100 (Notable)
Idre_D	Sweden	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Ft Grant	United States	Record low minimum temperature	9.4 C (48.9 F)	49 of 100 (Notable)
Moanalua 770	United States	Record daily precipitation	75.2 mm (3.0 in)	49 of 100 (Notable)
Cudlee Creek (Millbrook)	Australia	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Otinapa	Mexico	Record low maximum temperature	10.0 C (50.0 F)	48 of 100 (Notable)
Malung	Sweden	Record daily precipitation	60.1 mm (2.4 in)	48 of 100 (Notable)
Salen	Sweden	Record daily precipitation	67.5 mm (2.7 in)	48 of 100 (Notable)
Storbron	Sweden	Record daily precipitation	57.2 mm (2.3 in)	48 of 100 (Notable)
Holjes	Sweden	Record daily precipitation	40.9 mm (1.6 in)	47 of 100 (Notable)
Bridgewater	Australia	Record daily precipitation	45.6 mm (1.8 in)	46 of 100 (Notable)
Stomne	Sweden	Record daily precipitation	47.2 mm (1.9 in)	46 of 100 (Notable)
Kristinefors	Sweden	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Streator 2SE	United States	Record daily precipitation	82.6 mm (3.3 in)	46 of 100 (Notable)
Balfour	Australia	Record daily precipitation	42.6 mm (1.7 in)	45 of 100 (Notable)
Nouakchott	Mauritania	Record high maximum temperature	43.7 C (110.7 F)	45 of 100 (Notable)
El Mezquital KM. 150	Mexico	Record daily precipitation	37.8 mm (1.5 in)	45 of 100 (Notable)
Geilo	Norway	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Chevelon Rs	United States	Record daily precipitation	40.4 mm (1.6 in)	45 of 100 (Notable)

Counts by Type and Timescale

968 records

Records set or tied on 4 August 2004 by type: Highest daily maximum 110, Lowest daily maximum 80, Highest daily minimum 278, Lowest daily minimum 63, Heaviest daily rainfall 437.

Records on 4 August 2004 by type
Record type	Records
Highest daily maximum	110
Lowest daily maximum	80
Highest daily minimum	278
Lowest daily minimum	63
Heaviest daily rainfall	437
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 August 2004 by timescale: all-time 5, monthly 47, daily 916.

How Much Records Were Beaten By

729 broken records

Margins by which the 729 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.1. Ties are not counted.

Top 20 by Significance

4 August 2004

Top 20 records on 4 August 2004 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 2004	Sarna, SE	all-time rain	94.4 mm (3.7 in)	25.6 mm (1.0 in)	103 years	98 of 100 (Exceptional)
4 August 2004	Waipahu 750, US	daily rain	45.7 mm (1.8 in)	36.6 mm (1.4 in)	94 years	77 of 100 (Major)
4 August 2004	Maristova, NO	daily rain	30.3 mm (1.2 in)	20.3 mm (0.8 in)	84 years	75 of 100 (Major)
4 August 2004	Lisskogsasen, SE	all-time rain	108.0 mm (4.3 in)	35.5 mm (1.4 in)	31 years	75 of 100 (Major)
4 August 2004	Munkfors, SE	all-time rain	89.5 mm (3.5 in)	32.3 mm (1.3 in)	20 years	71 of 100 (Major)
4 August 2004	Ewa Plantation 741, US	daily rain	54.6 mm (2.1 in)	49.0 mm (1.9 in)	72 years	71 of 100 (Major)
4 August 2004	Manoa 712.1, US	daily rain	82.6 mm (3.3 in)	38.7 mm (1.5 in)	66 years	69 of 100 (Major)
4 August 2004	Rockypoint 7NNE, US	daily rain	37.1 mm (1.5 in)	29.5 mm (1.2 in)	62 years	67 of 100 (Major)
4 August 2004	UNIV of Hawaii 713, US	daily rain	83.3 mm (3.3 in)	40.4 mm (1.6 in)	66 years	67 of 100 (Major)
4 August 2004	Aktobe, KZ	daily rain	38.6 mm (1.5 in)	29.5 mm (1.2 in)	54 years	66 of 100 (Major)
4 August 2004	Mauna Loa 511, US	monthly rain	50.8 mm (2.0 in)	18.8 mm (0.7 in)	45 years	66 of 100 (Major)
4 August 2004	Honolulu Intl AP, US	monthly rain	74.2 mm (2.9 in)	20.9 mm (0.8 in)	44 years	66 of 100 (Major)
4 August 2004	Carrollton, US	daily rain	76.2 mm (3.0 in)	39.9 mm (1.6 in)	104 years	63 of 100 (Major)
4 August 2004	Nuuanu Rsch 5 775, US	daily rain	77.7 mm (3.1 in)	53.8 mm (2.1 in)	44 years	63 of 100 (Major)
4 August 2004	Audubon, US	daily rain	88.9 mm (3.5 in)	31.7 mm (1.2 in)	104 years	60 of 100 (Major)
4 August 2004	Manoa Tun 2 716, US	daily rain	109.2 mm (4.3 in)	65.5 mm (2.6 in)	46 years	59 of 100 (Notable)
4 August 2004	Opaeula 870, US	daily rain	61.0 mm (2.4 in)	49.6 mm (2.0 in)	48 years	59 of 100 (Notable)
4 August 2004	Waiahole 837, US	monthly rain	292.1 mm (11.5 in)	101.1 mm (4.0 in)	12 years	59 of 100 (Notable)
4 August 2004	Lihue WSO AP 1020.1, US	daily rain	56.1 mm (2.2 in)	46.2 mm (1.8 in)	47 years	59 of 100 (Notable)
4 August 2004	Torsby, SE	daily rain	69.4 mm (2.7 in)	42.2 mm (1.7 in)	43 years	58 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

1815 to 2004

Records set or tied on this calendar date in each year from 1815 to 2004. 2004 had 968 records.

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

Records on 08-04 in each year
Year	Records
1815	1
1827	1
1830	2
1833	1
1835	1
1843	1
1846	1
1847	1
1848	1
1857	1
1859	2
1860	2
1863	1
1865	3
1867	1
1868	1
1870	1
1871	1
1872	2
1874	3
1875	1
1878	3
1879	1
1881	2
1882	1
1883	1
1885	3
1886	1
1887	3
1888	4
1889	2
1890	1
1891	2
1893	2
1894	1
1895	3
1896	4
1897	3
1898	1
1899	7
1900	6
1902	4
1903	18
1904	11
1905	19
1906	14
1907	20
1908	31
1909	27
1910	17
1911	23
1912	51
1913	15
1914	33
1915	85
1916	97
1917	29
1918	95
1919	34
1920	79
1921	67
1922	68
1923	146
1924	132
1925	77
1926	334
1927	136
1928	352
1929	224
1930	698
1931	371
1932	258
1933	347
1934	521
1935	367
1936	719
1937	258
1938	489
1939	433
1940	236
1941	383
1942	303
1943	468
1944	662
1945	355
1946	265
1947	845
1948	558
1949	421
1950	666
1951	680
1952	465
1953	1,017
1954	426
1955	624
1956	437
1957	343
1958	533
1959	303
1960	331
1961	745
1962	470
1963	438
1964	885
1965	409
1966	552
1967	428
1968	280
1969	638
1970	415
1971	813
1972	773
1973	748
1974	1,040
1975	772
1976	801
1977	599
1978	1,051
1979	510
1980	998
1981	636
1982	703
1983	920
1984	722
1985	634
1986	905
1987	892
1988	1,204
1989	738
1990	1,013
1991	769
1992	754
1993	1,046
1994	1,265
1995	1,117
1996	1,143
1997	891
1998	1,423
1999	762
2000	840
2001	1,087
2002	928
2003	1,309
2004	968
2005	1,246
2006	1,131
2007	685
2008	883
2009	681
2010	1,665
2011	1,536
2012	738
2013	452
2014	980
2015	505
2016	732
2017	1,134
2018	760
2019	499
2020	778
2021	691
2022	1,185
2023	1,150
2024	809
2025	840
2026	1,044

Download the Data

Data for records on 2004-08-04: 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	646
20 to 40	60
40 to 60	20
60 to 80	2
80 to 100	0
100 to 120	1