Weather Records on 17 August 1998

1,003 weather records were set or tied worldwide on 17 August 1998. Highest significance: Maracay - B.A. Sucr, VE.

Key Facts for 17 August 1998

On 17 August 1998, 1,003 weather records were set or tied at long-record stations worldwide.
461 were record highs and 134 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 32 monthly and 966 daily.
Maracay - B.A. Sucr set an all-time record daily precipitation of 345.9 mm (13.6 in) on 17 August 1998.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 470 records.

Record Map

1,003 stations

1,003 station records on 17 August 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Maracay - B.A. Sucr	Venezuela	Record daily precipitation	345.9 mm (13.6 in)	69 of 100 (Major)
Zumbrota	United States	Record daily precipitation	108.2 mm (4.3 in)	66 of 100 (Major)
Tilden 4 SSE	United States	Record daily precipitation	53.3 mm (2.1 in)	64 of 100 (Major)
Picton Council Depot	Australia	Record daily precipitation	74.0 mm (2.9 in)	61 of 100 (Major)
Crescent Head	Australia	Record daily precipitation	216.4 mm (8.5 in)	59 of 100 (Notable)
Kempsey (Wide Street)	Australia	Record daily precipitation	145.4 mm (5.7 in)	58 of 100 (Notable)
Ringgold 2 SE	United States	Record daily precipitation	119.4 mm (4.7 in)	57 of 100 (Notable)
Whyenbah	Australia	Record daily precipitation	25.2 mm (1.0 in)	52 of 100 (Notable)
Eunice	United States	Record daily precipitation	93.5 mm (3.7 in)	52 of 100 (Notable)
Cronulla Stp	Australia	Record daily precipitation	94.6 mm (3.7 in)	51 of 100 (Notable)
Lawson (Wilson Street)	Australia	Record daily precipitation	76.6 mm (3.0 in)	49 of 100 (Notable)
Bexley Bowling Club	Australia	Record daily precipitation	73.0 mm (2.9 in)	49 of 100 (Notable)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	33.6 mm (1.3 in)	49 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	42.0 mm (1.7 in)	49 of 100 (Notable)
Siliguri	India	Record daily precipitation	150.1 mm (5.9 in)	49 of 100 (Notable)
Union 3 SSE	United States	Record daily precipitation	74.9 mm (2.9 in)	49 of 100 (Notable)
Taylors Arm (Lemon Grove)	Australia	Record daily precipitation	111.8 mm (4.4 in)	48 of 100 (Notable)
Miranda (Blackwood St)	Australia	Record daily precipitation	77.0 mm (3.0 in)	48 of 100 (Notable)
Pitiquito	Mexico	Record daily precipitation	79.0 mm (3.1 in)	48 of 100 (Notable)
Jasper	United States	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Upper Orara (Aurania)	Australia	Record daily precipitation	121.2 mm (4.8 in)	47 of 100 (Notable)
Krambach (Bellevue)	Australia	Record daily precipitation	59.4 mm (2.3 in)	47 of 100 (Notable)
Wingham (Lanark Close)	Australia	Record daily precipitation	46.0 mm (1.8 in)	47 of 100 (Notable)
Sans Souci (Public School)	Australia	Record daily precipitation	65.0 mm (2.6 in)	47 of 100 (Notable)
Conowingo Dam	United States	Record daily precipitation	82.6 mm (3.3 in)	46 of 100 (Notable)
Sydney Airport AMO	Australia	Record daily precipitation	67.2 mm (2.6 in)	45 of 100 (Notable)
Helensburgh (Sawan St)	Australia	Record daily precipitation	99.0 mm (3.9 in)	45 of 100 (Notable)
Nowra Treatment Works	Australia	Record daily precipitation	72.0 mm (2.8 in)	44 of 100 (Notable)
Huoshan	China	Record daily precipitation	78.1 mm (3.1 in)	44 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record daily precipitation	29.6 mm (1.2 in)	43 of 100 (Notable)
Mersa Matruh	Egypt	Record high minimum temperature	26.8 C (80.2 F)	43 of 100 (Notable)
San Diego Curupatzeo	Mexico	Record daily precipitation	59.9 mm (2.4 in)	43 of 100 (Notable)
Prescott	United States	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Wallaceton-Lake Drummond	United States	Record daily precipitation	76.2 mm (3.0 in)	43 of 100 (Notable)
Presa Coyote	Mexico	Record daily precipitation	38.9 mm (1.5 in)	42 of 100 (Notable)
Plant City	United States	Record daily precipitation	57.9 mm (2.3 in)	42 of 100 (Notable)
Jump Rvr 3E	United States	Record daily precipitation	70.4 mm (2.8 in)	42 of 100 (Notable)
Coramba (Glenfiddich)	Australia	Record daily precipitation	100.0 mm (3.9 in)	41 of 100 (Notable)
Revesby (Paten Street)	Australia	Record daily precipitation	62.0 mm (2.4 in)	41 of 100 (Notable)
Altamirano (Smn)	Mexico	Record low maximum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Verhneimbatsk	Russia	Record high minimum temperature	19.7 C (67.5 F)	41 of 100 (Notable)
Eagle Pass 3N	United States	Record daily precipitation	66.3 mm (2.6 in)	41 of 100 (Notable)
Neillsville 3ESE	United States	Record low minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Dwtn Charleston	United States	Record high minimum temperature	27.2 C (81.0 F)	41 of 100 (Notable)
Ixcateopan de Tlapa	Mexico	Record low maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Sain Alto	Mexico	Record daily precipitation	62.5 mm (2.5 in)	40 of 100 (Notable)
Quitman 2 NW	United States	Record daily precipitation	59.7 mm (2.4 in)	40 of 100 (Notable)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	89.4 mm (3.5 in)	39 of 100 (Notable)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	64.4 mm (2.5 in)	39 of 100 (Notable)
Telegraph Point (Farrawells Ro	Australia	Record daily precipitation	112.6 mm (4.4 in)	39 of 100 (Notable)
Camden (Brownlow Hill)	Australia	Record daily precipitation	42.6 mm (1.7 in)	39 of 100 (Notable)
Potts Hill Reservoir	Australia	Record daily precipitation	43.6 mm (1.7 in)	38 of 100 (Notable)
Prospect Reservoir	Australia	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Roldal	Norway	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Pineville	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Oak Hill	United States	Record daily precipitation	67.1 mm (2.6 in)	38 of 100 (Notable)
Long Flat Post Office	Australia	Record daily precipitation	60.4 mm (2.4 in)	37 of 100 (Notable)
Mittagong (Beatrice Street)	Australia	Record daily precipitation	44.6 mm (1.8 in)	37 of 100 (Notable)
Heidelberg	United States	Record daily precipitation	50.3 mm (2.0 in)	37 of 100 (Notable)
Flatonia 4SE	United States	Record low maximum temperature	28.3 C (82.9 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,003 records

Records set or tied on 17 August 1998 by type: Highest daily maximum 212, Lowest daily maximum 63, Highest daily minimum 249, Lowest daily minimum 71, Heaviest daily rainfall 408.

Records on 17 August 1998 by type
Record type	Records
Highest daily maximum	212
Lowest daily maximum	63
Highest daily minimum	249
Lowest daily minimum	71
Heaviest daily rainfall	408
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 August 1998 by timescale: all-time 5, monthly 32, daily 966.

How Much Records Were Beaten By

758 broken records

Margins by which the 758 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 197.0. Ties are not counted.

Top 20 by Significance

17 August 1998

Top 20 records on 17 August 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1998	Maracay - B.A. Sucr, VE	all-time rain	345.9 mm (13.6 in)	197.0 mm (7.8 in)	17 years	69 of 100 (Major)
17 August 1998	Zumbrota, US	daily rain	108.2 mm (4.3 in)	63.0 mm (2.5 in)	57 years	66 of 100 (Major)
17 August 1998	Tilden 4 SSE, US	daily rain	53.3 mm (2.1 in)	45.7 mm (1.8 in)	92 years	64 of 100 (Major)
17 August 1998	Picton Council Depot, AU	daily rain	74.0 mm (2.9 in)	55.5 mm (2.2 in)	36 years	61 of 100 (Major)
17 August 1998	Crescent Head, AU	monthly rain	216.4 mm (8.5 in)	54.3 mm (2.1 in)	28 years	59 of 100 (Notable)
17 August 1998	Kempsey (Wide Street), AU	daily rain	145.4 mm (5.7 in)	106.8 mm (4.2 in)	29 years	58 of 100 (Notable)
17 August 1998	Ringgold 2 SE, US	monthly rain	119.4 mm (4.7 in)	48.5 mm (1.9 in)	12 years	57 of 100 (Notable)
17 August 1998	Whyenbah, AU	daily rain	25.2 mm (1.0 in)	12.0 mm (0.5 in)	96 years	52 of 100 (Notable)
17 August 1998	Eunice, US	daily rain	93.5 mm (3.7 in)	90.7 mm (3.6 in)	29 years	52 of 100 (Notable)
17 August 1998	Cronulla Stp, AU	daily rain	94.6 mm (3.7 in)	73.3 mm (2.9 in)	25 years	51 of 100 (Notable)
17 August 1998	Lawson (Wilson Street), AU	daily rain	76.6 mm (3.0 in)	57.8 mm (2.3 in)	36 years	49 of 100 (Notable)
17 August 1998	Bexley Bowling Club, AU	daily rain	73.0 mm (2.9 in)	55.5 mm (2.2 in)	36 years	49 of 100 (Notable)
17 August 1998	Moss Vale (Hoskins Street), AU	daily rain	33.6 mm (1.3 in)	15.1 mm (0.6 in)	98 years	49 of 100 (Notable)
17 August 1998	Milton Post Office, AU	daily rain	42.0 mm (1.7 in)	16.6 mm (0.7 in)	98 years	49 of 100 (Notable)
17 August 1998	Siliguri, IN	daily rain	150.1 mm (5.9 in)	35.8 mm (1.4 in)	95 years	49 of 100 (Notable)
17 August 1998	Union 3 SSE, US	daily rain	74.9 mm (2.9 in)	38.3 mm (1.5 in)	4 years	49 of 100 (Notable)
17 August 1998	Taylors Arm (Lemon Grove), AU	daily rain	111.8 mm (4.4 in)	98.6 mm (3.9 in)	11 years	48 of 100 (Notable)
17 August 1998	Miranda (Blackwood St), AU	daily rain	77.0 mm (3.0 in)	58.2 mm (2.3 in)	25 years	48 of 100 (Notable)
17 August 1998	Pitiquito, MX	daily rain	79.0 mm (3.1 in)	55.1 mm (2.2 in)	13 years	48 of 100 (Notable)
17 August 1998	Jasper, US	daily rain	63.5 mm (2.5 in)	51.3 mm (2.0 in)	21 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

1797 to 1998

Records set or tied on this calendar date in each year from 1797 to 1998. 1998 had 1,003 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1998-08-17: 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 25	678
25 to 50	59
50 to 75	17
75 to 100	2
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1