Weather Records on 15 August 1998

861 weather records were set or tied worldwide on 15 August 1998. Highest significance: Sotuta (Dge), MX.

Key Facts for 15 August 1998

On 15 August 1998, 861 weather records were set or tied at long-record stations worldwide.
446 were record highs and 163 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 44 monthly and 810 daily.
Sotuta (Dge) set a daily record precipitation of 100.1 mm (3.9 in) on 15 August 1998.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 452 records.

Record Map

861 stations

861 station records on 15 August 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sotuta (Dge)	Mexico	Record daily precipitation	100.1 mm (3.9 in)	52 of 100 (Notable)
Wakefield 3NW	United States	Record daily precipitation	90.9 mm (3.6 in)	49 of 100 (Notable)
Astrakan	Russia	Record low minimum temperature	9.1 C (48.4 F)	47 of 100 (Notable)
St Paul	United States	Record daily precipitation	95.3 mm (3.8 in)	47 of 100 (Notable)
Valsjon	Sweden	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Hemavan	Sweden	Record daily precipitation	25.2 mm (1.0 in)	45 of 100 (Notable)
Experiment	United States	Record daily precipitation	51.8 mm (2.0 in)	45 of 100 (Notable)
Kaxas-Aflo_D	Sweden	Record daily precipitation	37.6 mm (1.5 in)	43 of 100 (Notable)
Baxter	United States	Record daily precipitation	66.5 mm (2.6 in)	43 of 100 (Notable)
Puerto de la Concepcion	Mexico	Record daily precipitation	58.2 mm (2.3 in)	41 of 100 (Notable)
Rioverde (Dge)	Mexico	Record daily precipitation	49.8 mm (2.0 in)	41 of 100 (Notable)
Manitowoc	United States	Record low maximum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Jiulong	China	Record daily precipitation	36.6 mm (1.4 in)	40 of 100 (Notable)
Xochitlan Todos Santos	Mexico	Record daily precipitation	54.9 mm (2.2 in)	40 of 100 (Notable)
Lampasas	United States	Record low maximum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Porto Lucena	Brazil	Record daily precipitation	92.8 mm (3.7 in)	39 of 100 (Notable)
Senatobia	United States	Record daily precipitation	70.9 mm (2.8 in)	39 of 100 (Notable)
Robstown	United States	Record daily precipitation	76.5 mm (3.0 in)	39 of 100 (Notable)
Esperantina (Boa Esperanca)	Brazil	Record daily precipitation	27.6 mm (1.1 in)	38 of 100 (Notable)
Dzaore	Russia	Record low minimum temperature	4.0 C (39.2 F)	38 of 100 (Notable)
Kyrktasjo_D	Sweden	Record daily precipitation	33.6 mm (1.3 in)	38 of 100 (Notable)
Estacada 2 SE	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Totatiche	Mexico	Record high maximum temperature	37.2 C (99.0 F)	37 of 100 (Notable)
Stalon_11	Sweden	Record daily precipitation	32.8 mm (1.3 in)	37 of 100 (Notable)
Everett	United States	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Gassaway	United States	Record daily precipitation	46.0 mm (1.8 in)	37 of 100 (Notable)
Tonala (Dge)	Mexico	Record high minimum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Ciudad Serdan (Smn)	Mexico	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Beira	Mozambique	Record high maximum temperature	33.0 C (91.4 F)	36 of 100 (Notable)
Dudinka	Russia	Record high minimum temperature	16.1 C (61.0 F)	36 of 100 (Notable)
Columbia UNIV of Sc	United States	Record daily precipitation	61.2 mm (2.4 in)	36 of 100 (Notable)
Sinton	United States	Record high maximum temperature	42.2 C (108.0 F)	36 of 100 (Notable)
Stehekin 4 NW	United States	Record high minimum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Leipikvattnet	Sweden	Record daily precipitation	37.3 mm (1.5 in)	35 of 100 (Notable)
Fayette	United States	Record daily precipitation	48.3 mm (1.9 in)	35 of 100 (Notable)
Montgomery	United States	Record daily precipitation	63.5 mm (2.5 in)	35 of 100 (Notable)
Tuscaloosa Oliver Dam	United States	Record daily precipitation	54.6 mm (2.1 in)	34 of 100 (Routine)
Booneville	United States	Record daily precipitation	68.6 mm (2.7 in)	34 of 100 (Routine)
Kurnell (Caltex Oil Refinery)	Australia	Record daily precipitation	52.0 mm (2.0 in)	33 of 100 (Routine)
Medio Monte	Mexico	Record high maximum temperature	35.6 C (96.1 F)	33 of 100 (Routine)
Jormlien	Sweden	Record daily precipitation	29.1 mm (1.1 in)	33 of 100 (Routine)
Hamilton	United States	Record daily precipitation	73.9 mm (2.9 in)	33 of 100 (Routine)
McCook	United States	Record high maximum temperature	42.8 C (109.0 F)	33 of 100 (Routine)
Venadero (Dge)	Mexico	Record low minimum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Mina	Mexico	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Marsliden	Sweden	Record daily precipitation	30.1 mm (1.2 in)	32 of 100 (Routine)
Hanford 1 S	United States	Record high minimum temperature	22.8 C (73.0 F)	32 of 100 (Routine)
Jarrell	United States	Record daily precipitation	47.0 mm (1.9 in)	32 of 100 (Routine)
Elma	United States	Record high minimum temperature	17.8 C (64.0 F)	32 of 100 (Routine)
Santa Rosalia (Dge)	Mexico	Record high maximum temperature	42.8 C (109.0 F)	31 of 100 (Routine)
San Diego de Alejandria	Mexico	Record low minimum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Izucar de Matamoros (Dge)	Mexico	Record daily precipitation	42.9 mm (1.7 in)	31 of 100 (Routine)
Santiago Zautla (Cfe)	Mexico	Record low minimum temperature	5.0 C (41.0 F)	31 of 100 (Routine)
Spicer	United States	Record high minimum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Sarah 3 SE	United States	Record daily precipitation	73.9 mm (2.9 in)	31 of 100 (Routine)
Goliad	United States	Record low maximum temperature	29.4 C (84.9 F)	31 of 100 (Routine)
Chipinge	Zimbabwe	Record high minimum temperature	17.9 C (64.2 F)	31 of 100 (Routine)
Conceicao	Brazil	Record daily precipitation	90.2 mm (3.6 in)	30 of 100 (Routine)
Presa Plutarco Elias Calles	Mexico	Record daily precipitation	35.3 mm (1.4 in)	30 of 100 (Routine)
Guanacevi (Smn)	Mexico	Record high maximum temperature	33.9 C (93.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

861 records

Records set or tied on 15 August 1998 by type: Highest daily maximum 220, Lowest daily maximum 90, Highest daily minimum 226, Lowest daily minimum 73, Heaviest daily rainfall 252.

Records on 15 August 1998 by type
Record type	Records
Highest daily maximum	220
Lowest daily maximum	90
Highest daily minimum	226
Lowest daily minimum	73
Heaviest daily rainfall	252
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1998 by timescale: all-time 7, monthly 44, daily 810.

How Much Records Were Beaten By

640 broken records

Margins by which the 640 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.5. Ties are not counted.

Top 20 by Significance

15 August 1998

Top 20 records on 15 August 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1998	Sotuta (Dge), MX	daily rain	100.1 mm (3.9 in)	48.8 mm (1.9 in)	36 years	52 of 100 (Notable)
15 August 1998	Wakefield 3NW, US	monthly rain	90.9 mm (3.6 in)	5.8 mm (0.23 in)	85 years	49 of 100 (Notable)
15 August 1998	Astrakan, RU	daily low min	9.1 C (48.4 F)	2.4 C (4.3 F)	99 years	47 of 100 (Notable)
15 August 1998	St Paul, US	daily rain	95.3 mm (3.8 in)	78.5 mm (3.1 in)	12 years	47 of 100 (Notable)
15 August 1998	Valsjon, SE	daily rain	33.3 mm (1.3 in)	15.9 mm (0.6 in)	37 years	46 of 100 (Notable)
15 August 1998	Hemavan, SE	daily rain	25.2 mm (1.0 in)	15.2 mm (0.6 in)	49 years	45 of 100 (Notable)
15 August 1998	Experiment, US	daily rain	51.8 mm (2.0 in)	21.6 mm (0.9 in)	72 years	45 of 100 (Notable)
15 August 1998	Kaxas-Aflo_D, SE	daily rain	37.6 mm (1.5 in)	20.4 mm (0.8 in)	15 years	43 of 100 (Notable)
15 August 1998	Baxter, US	daily rain	66.5 mm (2.6 in)	30.9 mm (1.2 in)	40 years	43 of 100 (Notable)
15 August 1998	Puerto de la Concepcion, MX	daily rain	58.2 mm (2.3 in)	33.8 mm (1.3 in)	12 years	41 of 100 (Notable)
15 August 1998	Rioverde (Dge), MX	daily rain	49.8 mm (2.0 in)	39.1 mm (1.5 in)	9 years	41 of 100 (Notable)
15 August 1998	Manitowoc, US	daily low max	17.2 C (63.0 F)	0.6 C (1.1 F)	103 years	41 of 100 (Notable)
15 August 1998	Jiulong, CN	daily rain	36.6 mm (1.4 in)	17.1 mm (0.7 in)	37 years	40 of 100 (Notable)
15 August 1998	Xochitlan Todos Santos, MX	daily rain	54.9 mm (2.2 in)	29.0 mm (1.1 in)	29 years	40 of 100 (Notable)
15 August 1998	Lampasas, US	daily low max	25.6 C (78.1 F)	1.6 C (2.9 F)	84 years	40 of 100 (Notable)
15 August 1998	Porto Lucena, BR	daily rain	92.8 mm (3.7 in)	55.6 mm (2.2 in)	19 years	39 of 100 (Notable)
15 August 1998	Senatobia, US	daily rain	70.9 mm (2.8 in)	27.2 mm (1.1 in)	49 years	39 of 100 (Notable)
15 August 1998	Robstown, US	daily rain	76.5 mm (3.0 in)	55.7 mm (2.2 in)	37 years	39 of 100 (Notable)
15 August 1998	Esperantina (Boa Esperanca), BR	daily rain	27.6 mm (1.1 in)	25.5 mm (1.0 in)	20 years	38 of 100 (Notable)
15 August 1998	Dzaore, RU	daily low min	4.0 C (39.2 F)	4.8 C (8.6 F)	44 years	38 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

1793 to 1998

Records set or tied on this calendar date in each year from 1793 to 1998. 1998 had 861 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 1998-08-15: 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 10	546
10 to 20	50
20 to 30	27
30 to 40	11
40 to 50	3
50 to 60	2
60 to 70	0
70 to 80	1