Weather Records on 21 August 1998

948 weather records were set or tied worldwide on 21 August 1998. Highest significance: Grebenhain-Herchenhain, DE.

Key Facts for 21 August 1998

On 21 August 1998, 948 weather records were set or tied at long-record stations worldwide.
345 were record highs and 211 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 24 monthly and 920 daily.
Grebenhain-Herchenhain set a daily record precipitation of 45.6 mm (1.8 in) on 21 August 1998.
Across 165 earlier years (1800 to 2026) the same calendar date averaged 447 records.

Record Map

948 stations

948 station records on 21 August 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 August 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grebenhain-Herchenhain	Germany	Record daily precipitation	45.6 mm (1.8 in)	58 of 100 (Notable)
Yankalilla	Australia	Record daily precipitation	29.6 mm (1.2 in)	54 of 100 (Notable)
Chilapa (Smn)	Mexico	Record daily precipitation	72.9 mm (2.9 in)	54 of 100 (Notable)
Cottonwood 2 E	United States	Record daily precipitation	53.1 mm (2.1 in)	54 of 100 (Notable)
David City 4E	United States	Record daily precipitation	90.2 mm (3.6 in)	53 of 100 (Notable)
Waterloo	United States	Record daily precipitation	84.6 mm (3.3 in)	53 of 100 (Notable)
W Pt	United States	Record daily precipitation	85.6 mm (3.4 in)	52 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	34.5 mm (1.4 in)	52 of 100 (Notable)
Butler (Anona)	Australia	Record daily precipitation	35.0 mm (1.4 in)	51 of 100 (Notable)
Huixtla	Mexico	Record low minimum temperature	17.2 C (63.0 F)	51 of 100 (Notable)
Holdrege	United States	Record daily precipitation	55.1 mm (2.2 in)	51 of 100 (Notable)
Honokaa Town 215	United States	Record daily precipitation	64.8 mm (2.6 in)	51 of 100 (Notable)
Norfolk Karl Stefan Mem AP	United States	Record daily precipitation	63.0 mm (2.5 in)	51 of 100 (Notable)
Central City	United States	Record daily precipitation	81.3 mm (3.2 in)	50 of 100 (Notable)
El Camalote	Mexico	Record daily precipitation	82.8 mm (3.3 in)	49 of 100 (Notable)
Oakdale	United States	Record daily precipitation	87.6 mm (3.4 in)	49 of 100 (Notable)
Wahoo	United States	Record daily precipitation	104.1 mm (4.1 in)	49 of 100 (Notable)
Sandberg	Germany	Record daily precipitation	30.1 mm (1.2 in)	48 of 100 (Notable)
Hunge	Sweden	Record daily precipitation	43.4 mm (1.7 in)	48 of 100 (Notable)
Pearsall	United States	Record low maximum temperature	26.7 C (80.1 F)	48 of 100 (Notable)
Stansbury	Australia	Record daily precipitation	25.0 mm (1.0 in)	47 of 100 (Notable)
Chapingo (Dge)	Mexico	Record daily precipitation	55.9 mm (2.2 in)	47 of 100 (Notable)
Webster City	United States	Record daily precipitation	132.1 mm (5.2 in)	47 of 100 (Notable)
Bloomfield 3 SE	United States	Record daily precipitation	27.7 mm (1.1 in)	45 of 100 (Notable)
Madison	United States	Record daily precipitation	151.4 mm (6.0 in)	44 of 100 (Notable)
Cimarron 4 SW	United States	Record daily precipitation	46.0 mm (1.8 in)	44 of 100 (Notable)
Porcupine 11 N	United States	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Cape Willoughby	Australia	Record daily precipitation	40.4 mm (1.6 in)	43 of 100 (Notable)
Normanville	Australia	Record daily precipitation	25.0 mm (1.0 in)	43 of 100 (Notable)
Zolotoj	Russia	Record daily precipitation	80.8 mm (3.2 in)	43 of 100 (Notable)
Bodie California St Historic P	United States	Record low minimum temperature	-9.4 C (15.1 F)	43 of 100 (Notable)
Ft Pierce	United States	Record daily precipitation	65.5 mm (2.6 in)	43 of 100 (Notable)
Schuyler	United States	Record daily precipitation	80.0 mm (3.1 in)	43 of 100 (Notable)
Woodworth 3NE	United States	Record daily precipitation	62.2 mm (2.4 in)	43 of 100 (Notable)
Fladungen-Heufurt	Germany	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Ahuehuepan	Mexico	Record daily precipitation	64.8 mm (2.6 in)	42 of 100 (Notable)
Fruitland	United States	Record low maximum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Columbus	United States	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Mapleton Post Office	Australia	Record daily precipitation	37.3 mm (1.5 in)	41 of 100 (Notable)
Aiken 5SE	United States	Record low minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Bischbrunn	Germany	Record daily precipitation	25.7 mm (1.0 in)	40 of 100 (Notable)
Perry	United States	Record daily precipitation	61.0 mm (2.4 in)	40 of 100 (Notable)
Schmucke	Germany	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Gilman	United States	Record daily precipitation	36.8 mm (1.4 in)	39 of 100 (Notable)
Ashland #2	United States	Record daily precipitation	68.6 mm (2.7 in)	39 of 100 (Notable)
Sonneberg-Neufang	Germany	Record daily precipitation	38.4 mm (1.5 in)	38 of 100 (Notable)
Willcox	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Aneth Plt	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Kaltennordheim	Germany	Record daily precipitation	28.0 mm (1.1 in)	37 of 100 (Notable)
Meadow Grove	United States	Record daily precipitation	83.1 mm (3.3 in)	37 of 100 (Notable)
Cuero	United States	Record low maximum temperature	30.6 C (87.1 F)	37 of 100 (Notable)
Blackville 3 W	United States	Record low minimum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
Interior 3 NE	United States	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Purcellville	United States	Record low minimum temperature	7.8 C (46.0 F)	36 of 100 (Notable)
Elizabeth City Cgas	United States	Record low minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Montville "Craglands"	Australia	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Jimma	Ethiopia	Record daily precipitation	48.0 mm (1.9 in)	35 of 100 (Notable)
Busby	United States	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Paauilo 221	United States	Record daily precipitation	61.7 mm (2.4 in)	35 of 100 (Notable)
Bismarck	United States	Record daily precipitation	117.6 mm (4.6 in)	35 of 100 (Notable)

Counts by Type and Timescale

948 records

Records set or tied on 21 August 1998 by type: Highest daily maximum 121, Lowest daily maximum 83, Highest daily minimum 224, Lowest daily minimum 128, Heaviest daily rainfall 392.

Records on 21 August 1998 by type
Record type	Records
Highest daily maximum	121
Lowest daily maximum	83
Highest daily minimum	224
Lowest daily minimum	128
Heaviest daily rainfall	392
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 August 1998 by timescale: all-time 4, monthly 24, daily 920.

How Much Records Were Beaten By

718 broken records

Margins by which the 718 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.1. Ties are not counted.

Top 20 by Significance

21 August 1998

Top 20 records on 21 August 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 August 1998	Grebenhain-Herchenhain, DE	daily rain	45.6 mm (1.8 in)	29.0 mm (1.1 in)	61 years	58 of 100 (Notable)
21 August 1998	Yankalilla, AU	daily rain	29.6 mm (1.2 in)	8.0 mm (0.31 in)	103 years	54 of 100 (Notable)
21 August 1998	Chilapa (Smn), MX	daily rain	72.9 mm (2.9 in)	50.5 mm (2.0 in)	31 years	54 of 100 (Notable)
21 August 1998	Cottonwood 2 E, US	daily rain	53.1 mm (2.1 in)	32.8 mm (1.3 in)	44 years	54 of 100 (Notable)
21 August 1998	David City 4E, US	daily rain	90.2 mm (3.6 in)	20.3 mm (0.8 in)	97 years	53 of 100 (Notable)
21 August 1998	Waterloo, US	daily rain	84.6 mm (3.3 in)	69.1 mm (2.7 in)	32 years	53 of 100 (Notable)
21 August 1998	W Pt, US	daily rain	85.6 mm (3.4 in)	53.8 mm (2.1 in)	24 years	52 of 100 (Notable)
21 August 1998	Hot Springs, US	daily rain	34.5 mm (1.4 in)	17.7 mm (0.7 in)	84 years	52 of 100 (Notable)
21 August 1998	Butler (Anona), AU	daily rain	35.0 mm (1.4 in)	24.4 mm (1.0 in)	7 years	51 of 100 (Notable)
21 August 1998	Huixtla, MX	daily low min	17.2 C (63.0 F)	3.9 C (7.0 F)	32 years	51 of 100 (Notable)
21 August 1998	Holdrege, US	daily rain	55.1 mm (2.2 in)	33.0 mm (1.3 in)	52 years	51 of 100 (Notable)
21 August 1998	Honokaa Town 215, US	daily rain	64.8 mm (2.6 in)	33.0 mm (1.3 in)	72 years	51 of 100 (Notable)
21 August 1998	Norfolk Karl Stefan Mem AP, US	daily rain	63.0 mm (2.5 in)	45.5 mm (1.8 in)	32 years	51 of 100 (Notable)
21 August 1998	Central City, US	daily rain	81.3 mm (3.2 in)	48.8 mm (1.9 in)	13 years	50 of 100 (Notable)
21 August 1998	El Camalote, MX	daily rain	82.8 mm (3.3 in)	61.0 mm (2.4 in)	24 years	49 of 100 (Notable)
21 August 1998	Oakdale, US	daily rain	87.6 mm (3.4 in)	33.0 mm (1.3 in)	52 years	49 of 100 (Notable)
21 August 1998	Wahoo, US	daily rain	104.1 mm (4.1 in)	58.4 mm (2.3 in)	12 years	49 of 100 (Notable)
21 August 1998	Sandberg, DE	daily rain	30.1 mm (1.2 in)	19.5 mm (0.8 in)	44 years	48 of 100 (Notable)
21 August 1998	Hunge, SE	daily rain	43.4 mm (1.7 in)	21.8 mm (0.9 in)	28 years	48 of 100 (Notable)
21 August 1998	Pearsall, US	daily low max	26.7 C (80.1 F)	5.0 C (9.0 F)	67 years	48 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

1800 to 1998

Records set or tied on this calendar date in each year from 1800 to 1998. 1998 had 948 records.

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

Records on 08-21 in each year
Year	Records
1800	1
1802	1
1804	1
1807	1
1816	1
1818	1
1832	1
1834	1
1839	3
1843	1
1847	1
1849	3
1850	1
1851	2
1863	1
1866	1
1867	2
1870	3
1871	2
1872	1
1873	1
1876	1
1877	2
1879	2
1884	2
1885	5
1886	1
1887	5
1888	2
1889	3
1890	4
1891	2
1893	4
1894	8
1895	3
1896	2
1897	4
1898	4
1899	7
1900	4
1901	9
1902	8
1903	6
1904	8
1905	4
1906	22
1907	20
1908	13
1909	17
1910	33
1911	19
1912	50
1913	37
1914	24
1915	21
1916	106
1917	101
1918	202
1919	19
1920	59
1921	34
1922	58
1923	111
1924	135
1925	220
1926	227
1927	228
1928	110
1929	234
1930	297
1931	277
1932	264
1933	328
1934	320
1935	318
1936	807
1937	762
1938	239
1939	630
1940	683
1941	180
1942	415
1943	438
1944	346
1945	544
1946	390
1947	954
1948	305
1949	508
1950	958
1951	699
1952	368
1953	331
1954	497
1955	885
1956	701
1957	490
1958	389
1959	704
1960	490
1961	644
1962	469
1963	338
1964	794
1965	455
1966	661
1967	541
1968	1,014
1969	650
1970	373
1971	660
1972	441
1973	438
1974	564
1975	545
1976	756
1977	764
1978	445
1979	778
1980	904
1981	1,015
1982	769
1983	1,407
1984	975
1985	623
1986	1,166
1987	740
1988	889
1989	828
1990	910
1991	828
1992	957
1993	698
1994	968
1995	962
1996	950
1997	1,291
1998	948
1999	717
2000	861
2001	797
2002	965
2003	1,241
2004	1,585
2005	1,071
2006	797
2007	1,829
2008	1,012
2009	1,319
2010	1,155
2011	1,022
2012	990
2013	513
2014	624
2015	651
2016	890
2017	347
2018	816
2019	631
2020	1,147
2021	767
2022	917
2023	1,826
2024	777
2025	1,230
2026	1,289

Download the Data

Data for records on 1998-08-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	612
10 to 20	67
20 to 30	17
30 to 40	10
40 to 50	4
50 to 60	6
60 to 70	2