Weather Records on 4 August 1998

1,423 weather records were set or tied worldwide on 4 August 1998. Highest significance: Niigata, JP.

Key Facts for 4 August 1998

On 4 August 1998, 1,423 weather records were set or tied at long-record stations worldwide.
872 were record highs and 272 were record lows, counting maximum and minimum temperature.
By timescale, 26 were all-time records, 65 monthly and 1,332 daily.
Niigata set an all-time record daily precipitation of 264.9 mm (10.4 in) on 4 August 1998.
Across 165 earlier years (1815 to 2026) the same calendar date averaged 435 records.

Record Map

1,423 stations

1,423 station records on 4 August 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 August 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Niigata	Japan	Record daily precipitation	264.9 mm (10.4 in)	73 of 100 (Major)
South Comongin	Australia	Record daily precipitation	35.0 mm (1.4 in)	59 of 100 (Notable)
Jonacatepec	Mexico	Record daily precipitation	63.5 mm (2.5 in)	58 of 100 (Notable)
Berne Wwtp	United States	Record daily precipitation	91.9 mm (3.6 in)	57 of 100 (Notable)
Halesovaja	Russia	Record daily precipitation	64.6 mm (2.5 in)	53 of 100 (Notable)
Warsaw	United States	Record daily precipitation	72.6 mm (2.9 in)	53 of 100 (Notable)
Festus	United States	Record daily precipitation	88.9 mm (3.5 in)	53 of 100 (Notable)
La Estancia	Mexico	Record daily precipitation	126.0 mm (5.0 in)	52 of 100 (Notable)
Ixcateopan de Tlapa	Mexico	Record daily precipitation	95.0 mm (3.7 in)	51 of 100 (Notable)
Devils Twr #2	United States	Record daily precipitation	42.7 mm (1.7 in)	51 of 100 (Notable)
Hulett	United States	Record daily precipitation	32.3 mm (1.3 in)	51 of 100 (Notable)
Sacramento 5 ESE	United States	Record high minimum temperature	25.0 C (77.0 F)	51 of 100 (Notable)
Becanchen	Mexico	Record low minimum temperature	16.7 C (62.1 F)	48 of 100 (Notable)
Davis 2 WSW Exp Farm	United States	Record high minimum temperature	20.0 C (68.0 F)	48 of 100 (Notable)
Montague 4 NW	United States	Record daily precipitation	100.6 mm (4.0 in)	47 of 100 (Notable)
Buzau	Romania	Record high maximum temperature	39.4 C (102.9 F)	46 of 100 (Notable)
Indio Fire STN	United States	Record high minimum temperature	34.4 C (93.9 F)	46 of 100 (Notable)
Amidon	United States	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Bodoquena (Particular)	Brazil	Record daily precipitation	48.7 mm (1.9 in)	45 of 100 (Notable)
Totatiche	Mexico	Record high maximum temperature	36.7 C (98.1 F)	45 of 100 (Notable)
Vinnytsia	Ukraine	Record high minimum temperature	22.0 C (71.6 F)	45 of 100 (Notable)
Gilman	United States	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Willits 1 NE	United States	Record high maximum temperature	41.1 C (106.0 F)	44 of 100 (Notable)
Wessington Springs	United States	Record low maximum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Westcliffe	United States	Record low maximum temperature	19.4 C (66.9 F)	43 of 100 (Notable)
Delphi 2 N	United States	Record daily precipitation	42.9 mm (1.7 in)	43 of 100 (Notable)
Mohall	United States	Record daily precipitation	44.5 mm (1.8 in)	43 of 100 (Notable)
Harbin	China	Record daily precipitation	68.8 mm (2.7 in)	42 of 100 (Notable)
Mexticacan	Mexico	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Chietla	Mexico	Record daily precipitation	66.3 mm (2.6 in)	42 of 100 (Notable)
El Copital	Mexico	Record low minimum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Crockett	United States	Record high minimum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Sundance	United States	Record daily precipitation	29.5 mm (1.2 in)	42 of 100 (Notable)
Honokaa Town 215	United States	Record daily precipitation	76.5 mm (3.0 in)	42 of 100 (Notable)
Jinan	China	Record daily precipitation	107.3 mm (4.2 in)	41 of 100 (Notable)
Mahackala	Russia	Record high maximum temperature	38.7 C (101.7 F)	41 of 100 (Notable)
Berkeley	United States	Record high maximum temperature	34.4 C (93.9 F)	41 of 100 (Notable)
Mt Airy 2 W	United States	Record low minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Waynesville 1 E	United States	Record low minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Lima Wwtp	United States	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record high maximum temperature	38.3 C (100.9 F)	41 of 100 (Notable)
Calarasi	Romania	Record high maximum temperature	38.8 C (101.8 F)	40 of 100 (Notable)
Simferopol	Ukraine	Record high minimum temperature	22.9 C (73.2 F)	40 of 100 (Notable)
Livermore	United States	Record high minimum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Paso Robles	United States	Record high maximum temperature	43.9 C (111.0 F)	40 of 100 (Notable)
San Jose	United States	Record high maximum temperature	39.4 C (102.9 F)	40 of 100 (Notable)
Newnan 7 WNW	United States	Record low minimum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Grapevine Dam	United States	Record high maximum temperature	42.2 C (108.0 F)	40 of 100 (Notable)
Centennial 1NE	United States	Record low maximum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Buzau	Romania	Record high minimum temperature	24.5 C (76.1 F)	39 of 100 (Notable)
Joliet Brandon Road Lock/Dam	United States	Record daily precipitation	72.4 mm (2.9 in)	39 of 100 (Notable)
Wheatfield	United States	Record daily precipitation	63.0 mm (2.5 in)	39 of 100 (Notable)
Woodville 4 ESE	United States	Record low minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Knobs 4 SW	United States	Record daily precipitation	56.4 mm (2.2 in)	39 of 100 (Notable)
Hartington	United States	Record low maximum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Lead	United States	Record low maximum temperature	15.0 C (59.0 F)	39 of 100 (Notable)
Daingerfield 9 S	United States	Record high maximum temperature	44.4 C (111.9 F)	39 of 100 (Notable)
Vasilevici	Belarus	Record high minimum temperature	20.3 C (68.5 F)	38 of 100 (Notable)
Tarko-Sale	Russia	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Derbent	Russia	Record high maximum temperature	38.8 C (101.8 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,423 records

Records set or tied on 4 August 1998 by type: Highest daily maximum 442, Lowest daily maximum 131, Highest daily minimum 430, Lowest daily minimum 141, Heaviest daily rainfall 279.

Records on 4 August 1998 by type
Record type	Records
Highest daily maximum	442
Lowest daily maximum	131
Highest daily minimum	430
Lowest daily minimum	141
Heaviest daily rainfall	279
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 August 1998 by timescale: all-time 26, monthly 65, daily 1,332.

How Much Records Were Beaten By

1,055 broken records

Margins by which the 1,055 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 99.9. Ties are not counted.

Top 20 by Significance

4 August 1998

Top 20 records on 4 August 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 August 1998	Niigata, JP	all-time rain	264.9 mm (10.4 in)	99.9 mm (3.9 in)	30 years	73 of 100 (Major)
4 August 1998	South Comongin, AU	daily rain	35.0 mm (1.4 in)	17.7 mm (0.7 in)	111 years	59 of 100 (Notable)
4 August 1998	Jonacatepec, MX	daily rain	63.5 mm (2.5 in)	37.6 mm (1.5 in)	64 years	58 of 100 (Notable)
4 August 1998	Berne Wwtp, US	monthly rain	91.9 mm (3.6 in)	26.4 mm (1.0 in)	55 years	57 of 100 (Notable)
4 August 1998	Halesovaja, RU	monthly rain	64.6 mm (2.5 in)	21.9 mm (0.9 in)	7 years	53 of 100 (Notable)
4 August 1998	Warsaw, US	daily rain	72.6 mm (2.9 in)	42.9 mm (1.7 in)	37 years	53 of 100 (Notable)
4 August 1998	Festus, US	daily rain	88.9 mm (3.5 in)	71.4 mm (2.8 in)	36 years	53 of 100 (Notable)
4 August 1998	La Estancia, MX	daily rain	126.0 mm (5.0 in)	81.0 mm (3.2 in)	31 years	52 of 100 (Notable)
4 August 1998	Ixcateopan de Tlapa, MX	monthly rain	95.0 mm (3.7 in)	33.0 mm (1.3 in)	10 years	51 of 100 (Notable)
4 August 1998	Devils Twr #2, US	daily rain	42.7 mm (1.7 in)	39.1 mm (1.5 in)	25 years	51 of 100 (Notable)
4 August 1998	Hulett, US	daily rain	32.3 mm (1.3 in)	24.9 mm (1.0 in)	52 years	51 of 100 (Notable)
4 August 1998	Sacramento 5 ESE, US	monthly high min	25.0 C (77.0 F)	0.6 C (1.1 F)	99 years	51 of 100 (Notable)
4 August 1998	Becanchen, MX	daily low min	16.7 C (62.1 F)	3.3 C (5.9 F)	44 years	48 of 100 (Notable)
4 August 1998	Davis 2 WSW Exp Farm, US	daily high min	20.0 C (68.0 F)	2.2 C (4.0 F)	102 years	48 of 100 (Notable)
4 August 1998	Montague 4 NW, US	daily rain	100.6 mm (4.0 in)	48.0 mm (1.9 in)	8 years	47 of 100 (Notable)
4 August 1998	Buzau, RO	daily high max	39.4 C (102.9 F)	3.4 C (6.1 F)	92 years	46 of 100 (Notable)
4 August 1998	Indio Fire STN, US	daily high min	34.4 C (93.9 F)	2.7 C (4.9 F)	93 years	46 of 100 (Notable)
4 August 1998	Amidon, US	daily rain	33.3 mm (1.3 in)	17.3 mm (0.7 in)	57 years	46 of 100 (Notable)
4 August 1998	Bodoquena (Particular), BR	monthly rain	48.7 mm (1.9 in)	15.7 mm (0.6 in)	37 years	45 of 100 (Notable)
4 August 1998	Totatiche, MX	daily high max	36.7 C (98.1 F)	6.7 C (12.1 F)	40 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

1815 to 1998

Records set or tied on this calendar date in each year from 1815 to 1998. 1998 had 1,423 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 1998-08-04: 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	1,014
20 to 40	32
40 to 60	5
60 to 80	2
80 to 100	2