Weather Records on 20 August 1998

802 weather records were set or tied worldwide on 20 August 1998. Highest significance: Charles City, US.

Key Facts for 20 August 1998

On 20 August 1998, 802 weather records were set or tied at long-record stations worldwide.
302 were record highs and 295 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 19 monthly and 781 daily.
Charles City set a daily record precipitation of 54.1 mm (2.1 in) on 20 August 1998.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 453 records.

Record Map

802 stations

802 station records on 20 August 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Charles City	United States	Record daily precipitation	54.1 mm (2.1 in)	55 of 100 (Notable)
Maysville	United States	Record daily precipitation	113.5 mm (4.5 in)	53 of 100 (Notable)
Hemingford	United States	Record daily precipitation	47.0 mm (1.9 in)	52 of 100 (Notable)
Wudinna	Australia	Record daily precipitation	28.4 mm (1.1 in)	51 of 100 (Notable)
Conchas Dam	United States	Record daily precipitation	51.3 mm (2.0 in)	51 of 100 (Notable)
Tarcoola (Commonwealth Hill)	Australia	Record daily precipitation	25.0 mm (1.0 in)	49 of 100 (Notable)
Gainesville	United States	Record daily precipitation	75.7 mm (3.0 in)	49 of 100 (Notable)
Wudu	China	Record daily precipitation	65.0 mm (2.6 in)	48 of 100 (Notable)
Alamo	Mexico	Record daily precipitation	119.9 mm (4.7 in)	47 of 100 (Notable)
Glenville	United States	Record low maximum temperature	17.8 C (64.0 F)	47 of 100 (Notable)
Cumming 2N	United States	Record daily precipitation	74.7 mm (2.9 in)	46 of 100 (Notable)
Allison	United States	Record daily precipitation	66.0 mm (2.6 in)	46 of 100 (Notable)
Plevna	United States	Record daily precipitation	48.5 mm (1.9 in)	46 of 100 (Notable)
Wibaux 2 E	United States	Record daily precipitation	28.2 mm (1.1 in)	46 of 100 (Notable)
Elma	United States	Record high minimum temperature	22.2 C (72.0 F)	45 of 100 (Notable)
Hovlandsdal	Norway	Record daily precipitation	57.1 mm (2.2 in)	43 of 100 (Notable)
Dawsonville	United States	Record daily precipitation	109.7 mm (4.3 in)	43 of 100 (Notable)
Tres Zapotes	Mexico	Record low minimum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Beemer	United States	Record daily precipitation	78.2 mm (3.1 in)	42 of 100 (Notable)
Tacambaro	Mexico	Record low minimum temperature	0.6 C (33.1 F)	41 of 100 (Notable)
Greenfield	United States	Record high minimum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Clearmont 5 SW	United States	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Majuro Wbas AP	Marshall Islands	Record daily precipitation	79.0 mm (3.1 in)	40 of 100 (Notable)
Louisa	United States	Record low minimum temperature	6.1 C (43.0 F)	40 of 100 (Notable)
Tiruchchirapalli	India	Record daily precipitation	41.9 mm (1.6 in)	39 of 100 (Notable)
Totatiche	Mexico	Record high maximum temperature	37.2 C (99.0 F)	39 of 100 (Notable)
Antlers	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Maljamar	United States	Record daily precipitation	51.3 mm (2.0 in)	38 of 100 (Notable)
Purcellville	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Tonsina	United States	Record low minimum temperature	-4.4 C (24.1 F)	38 of 100 (Notable)
Boutilimit	Mauritania	Record low minimum temperature	16.0 C (60.8 F)	37 of 100 (Notable)
Post	United States	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Reading Wb City	United States	Record low minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Tarcoola	Australia	Record daily precipitation	27.0 mm (1.1 in)	36 of 100 (Notable)
Mount Wudinna	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Hoorn	Netherlands	Record daily precipitation	43.3 mm (1.7 in)	36 of 100 (Notable)
Rockwell City	United States	Record high minimum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Raleigh State UNIV	United States	Record low minimum temperature	12.8 C (55.0 F)	36 of 100 (Notable)
Minnipa Agricultural Centre	Australia	Record daily precipitation	30.8 mm (1.2 in)	35 of 100 (Notable)
Moorland (Denro-An)	Australia	Record daily precipitation	39.0 mm (1.5 in)	35 of 100 (Notable)
Langley AFB	United States	Record low minimum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Aranyaprathet	Thailand	Record daily precipitation	63.0 mm (2.5 in)	34 of 100 (Routine)
Bricelyn	United States	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Kershaw 1SW	United States	Record low minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Partizansk	Russia	Record daily precipitation	79.0 mm (3.1 in)	33 of 100 (Routine)
McCamey	United States	Record low maximum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Port Isabel	United States	Record high minimum temperature	27.8 C (82.0 F)	33 of 100 (Routine)
Waxahachie	United States	Record high minimum temperature	30.6 C (87.1 F)	33 of 100 (Routine)
Montrose	United States	Record low minimum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Lebanon	United States	Record low minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
McComb AP	United States	Record high minimum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Cadereyta	Mexico	Record daily precipitation	56.1 mm (2.2 in)	31 of 100 (Routine)
San Miguel Ejutla	Mexico	Record high maximum temperature	40.0 C (104.0 F)	31 of 100 (Routine)
Waynesboro 2 S	United States	Record low minimum temperature	14.4 C (57.9 F)	31 of 100 (Routine)
Raleigh 4 SW	United States	Record low minimum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Raleigh AP	United States	Record low minimum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Big Spring	United States	Record daily precipitation	36.1 mm (1.4 in)	31 of 100 (Routine)
Nalut	Libya	Record high minimum temperature	29.5 C (85.1 F)	30 of 100 (Routine)
Ixcateopan de Tlapa	Mexico	Record low maximum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Newport Beach Harbor	United States	Record high maximum temperature	26.7 C (80.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

802 records

Records set or tied on 20 August 1998 by type: Highest daily maximum 122, Lowest daily maximum 100, Highest daily minimum 180, Lowest daily minimum 195, Heaviest daily rainfall 205.

Records on 20 August 1998 by type
Record type	Records
Highest daily maximum	122
Lowest daily maximum	100
Highest daily minimum	180
Lowest daily minimum	195
Heaviest daily rainfall	205
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1998 by timescale: all-time 2, monthly 19, daily 781.

How Much Records Were Beaten By

566 broken records

Margins by which the 566 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.5. Ties are not counted.

Top 20 by Significance

20 August 1998

Top 20 records on 20 August 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1998	Charles City, US	daily rain	54.1 mm (2.1 in)	24.4 mm (1.0 in)	98 years	55 of 100 (Notable)
20 August 1998	Maysville, US	daily rain	113.5 mm (4.5 in)	82.5 mm (3.2 in)	28 years	53 of 100 (Notable)
20 August 1998	Hemingford, US	daily rain	47.0 mm (1.9 in)	35.1 mm (1.4 in)	32 years	52 of 100 (Notable)
20 August 1998	Wudinna, AU	daily rain	28.4 mm (1.1 in)	18.6 mm (0.7 in)	13 years	51 of 100 (Notable)
20 August 1998	Conchas Dam, US	daily rain	51.3 mm (2.0 in)	37.3 mm (1.5 in)	44 years	51 of 100 (Notable)
20 August 1998	Tarcoola (Commonwealth Hill), AU	daily rain	25.0 mm (1.0 in)	19.2 mm (0.8 in)	19 years	49 of 100 (Notable)
20 August 1998	Gainesville, US	daily rain	75.7 mm (3.0 in)	19.8 mm (0.8 in)	92 years	49 of 100 (Notable)
20 August 1998	Wudu, CN	daily rain	65.0 mm (2.6 in)	49.6 mm (2.0 in)	13 years	48 of 100 (Notable)
20 August 1998	Alamo, MX	daily rain	119.9 mm (4.7 in)	67.3 mm (2.6 in)	31 years	47 of 100 (Notable)
20 August 1998	Glenville, US	monthly low max	17.8 C (64.0 F)	0.5 C (0.9 F)	86 years	47 of 100 (Notable)
20 August 1998	Cumming 2N, US	daily rain	74.7 mm (2.9 in)	36.6 mm (1.4 in)	43 years	46 of 100 (Notable)
20 August 1998	Allison, US	daily rain	66.0 mm (2.6 in)	25.4 mm (1.0 in)	77 years	46 of 100 (Notable)
20 August 1998	Plevna, US	daily rain	48.5 mm (1.9 in)	19.3 mm (0.8 in)	48 years	46 of 100 (Notable)
20 August 1998	Wibaux 2 E, US	daily rain	28.2 mm (1.1 in)	9.4 mm (0.37 in)	93 years	46 of 100 (Notable)
20 August 1998	Elma, US	all-time high min	22.2 C (72.0 F)	4.4 C (7.9 F)	0 years	45 of 100 (Notable)
20 August 1998	Hovlandsdal, NO	daily rain	57.1 mm (2.2 in)	11.3 mm (0.4 in)	88 years	43 of 100 (Notable)
20 August 1998	Dawsonville, US	daily rain	109.7 mm (4.3 in)	44.9 mm (1.8 in)	41 years	43 of 100 (Notable)
20 August 1998	Tres Zapotes, MX	daily low min	13.3 C (55.9 F)	5.6 C (10.1 F)	0 years	42 of 100 (Notable)
20 August 1998	Beemer, US	daily rain	78.2 mm (3.1 in)	35.0 mm (1.4 in)	47 years	42 of 100 (Notable)
20 August 1998	Tacambaro, MX	monthly low min	0.6 C (33.1 F)	4.4 C (7.9 F)	18 years	41 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

1797 to 1998

Records set or tied on this calendar date in each year from 1797 to 1998. 1998 had 802 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1998-08-20: 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	542
20 to 40	20
40 to 60	2
60 to 80	1
80 to 100	1