Weather Records on 18 August 1985

765 weather records were set or tied worldwide on 18 August 1985. Highest significance: Richland, US.

Key Facts for 18 August 1985

On 18 August 1985, 765 weather records were set or tied at long-record stations worldwide.
158 were record highs and 330 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 18 monthly and 742 daily.
Richland set a daily record high minimum temperature of 26.1 C (79.0 F) on 18 August 1985.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 439 records.

Record Map

765 stations

765 station records on 18 August 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Richland	United States	Record high minimum temperature	26.1 C (79.0 F)	62 of 100 (Major)
Wytheville	United States	Record daily precipitation	87.6 mm (3.4 in)	62 of 100 (Major)
Dutch Harbor	United States	Record daily precipitation	27.7 mm (1.1 in)	60 of 100 (Major)
Kirensk	Russia	Record daily precipitation	42.2 mm (1.7 in)	56 of 100 (Notable)
Louisa	United States	Record daily precipitation	149.4 mm (5.9 in)	56 of 100 (Notable)
Gaffney 6 E	United States	Record daily precipitation	104.6 mm (4.1 in)	52 of 100 (Notable)
Galax Radio Wbrf	United States	Record daily precipitation	78.5 mm (3.1 in)	52 of 100 (Notable)
Independence 2	United States	Record daily precipitation	68.3 mm (2.7 in)	52 of 100 (Notable)
Richmond Intl AP	United States	Record daily precipitation	141.7 mm (5.6 in)	52 of 100 (Notable)
Siler City 2 N	United States	Record daily precipitation	147.8 mm (5.8 in)	49 of 100 (Notable)
Union 3 SSE	United States	Record daily precipitation	64.3 mm (2.5 in)	49 of 100 (Notable)
Pulaski 2 E	United States	Record daily precipitation	73.7 mm (2.9 in)	47 of 100 (Notable)
Bederkesa	Germany	Record daily precipitation	44.0 mm (1.7 in)	46 of 100 (Notable)
Blowing Rock 1NW	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Roanoke-Blacksburg Rgnl AP	United States	Record daily precipitation	80.8 mm (3.2 in)	46 of 100 (Notable)
Garden City Rgnl AP	United States	Record daily precipitation	90.7 mm (3.6 in)	46 of 100 (Notable)
Huajintlan	Mexico	Record low maximum temperature	20.6 C (69.1 F)	45 of 100 (Notable)
San Javier	Mexico	Record daily precipitation	91.9 mm (3.6 in)	45 of 100 (Notable)
Glen Lyn	United States	Record daily precipitation	73.7 mm (2.9 in)	45 of 100 (Notable)
Princess Anne	United States	Record daily precipitation	76.2 mm (3.0 in)	44 of 100 (Notable)
Chapel Hill 2 W	United States	Record daily precipitation	96.5 mm (3.8 in)	43 of 100 (Notable)
Meadows of Dan 5 SW	United States	Record daily precipitation	207.3 mm (8.2 in)	43 of 100 (Notable)
Altavista	United States	Record daily precipitation	108.5 mm (4.3 in)	42 of 100 (Notable)
Hillsville	United States	Record daily precipitation	79.2 mm (3.1 in)	42 of 100 (Notable)
Debremarcos	Ethiopia	Record daily precipitation	78.0 mm (3.1 in)	41 of 100 (Notable)
Cleveland 3S	United States	Record daily precipitation	97.8 mm (3.9 in)	41 of 100 (Notable)
Academy 2NE	United States	Record low minimum temperature	4.4 C (39.9 F)	41 of 100 (Notable)
Intl Falls Intl AP	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Mount Joseph	Australia	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Camp Crook	United States	Record low minimum temperature	0.0 C (32.0 F)	40 of 100 (Notable)
Verhne-Markovo	Russia	Record daily precipitation	44.7 mm (1.8 in)	39 of 100 (Notable)
Greeneville Exp STN	United States	Record daily precipitation	40.6 mm (1.6 in)	39 of 100 (Notable)
Lafayette 1 NE	United States	Record daily precipitation	105.2 mm (4.1 in)	39 of 100 (Notable)
Sacramento 5 ESE	United States	Record low minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Curtis	United States	Record low maximum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Greeneville Exp STN	United States	Record low maximum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Bedford	United States	Record low maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Bland	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Copper Hill	United States	Record daily precipitation	191.3 mm (7.5 in)	38 of 100 (Notable)
Gustavus	United States	Record low minimum temperature	-1.7 C (28.9 F)	38 of 100 (Notable)
Milford Gm Proving Ground	United States	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Pokegama Dam	United States	Record low maximum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Gothenburg	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Monroe 2 SE	United States	Record daily precipitation	99.6 mm (3.9 in)	37 of 100 (Notable)
Waynesville 1 E	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Dickinson Exp STN	United States	Record low minimum temperature	0.6 C (33.1 F)	37 of 100 (Notable)
Catawba	United States	Record daily precipitation	132.8 mm (5.2 in)	37 of 100 (Notable)
Ashland	United States	Record daily precipitation	58.9 mm (2.3 in)	37 of 100 (Notable)
Blacksburg Nwso	United States	Record daily precipitation	75.2 mm (3.0 in)	37 of 100 (Notable)
Kr. Cuxhaven Steinau	Germany	Record daily precipitation	33.1 mm (1.3 in)	36 of 100 (Notable)
Dunbar Forest Exp STN	United States	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Wibaux 2 E	United States	Record low minimum temperature	1.7 C (35.1 F)	36 of 100 (Notable)
Wadesboro	United States	Record daily precipitation	77.7 mm (3.1 in)	36 of 100 (Notable)
Bishopville 1.4 ENE	United States	Record daily precipitation	120.7 mm (4.8 in)	36 of 100 (Notable)
Faulkton	United States	Record low minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Dale Enterprise	United States	Record low maximum temperature	20.0 C (68.0 F)	36 of 100 (Notable)
Crivitz High Falls	United States	Record daily precipitation	54.6 mm (2.1 in)	36 of 100 (Notable)
Miahuatlan (Dge)	Mexico	Record high maximum temperature	35.6 C (96.1 F)	35 of 100 (Notable)
Prineville	United States	Record high minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Pierce 1 E	United States	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)

Counts by Type and Timescale

765 records

Records set or tied on 18 August 1985 by type: Highest daily maximum 66, Lowest daily maximum 161, Highest daily minimum 92, Lowest daily minimum 169, Heaviest daily rainfall 277.

Records on 18 August 1985 by type
Record type	Records
Highest daily maximum	66
Lowest daily maximum	161
Highest daily minimum	92
Lowest daily minimum	169
Heaviest daily rainfall	277
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1985 by timescale: all-time 5, monthly 18, daily 742.

How Much Records Were Beaten By

588 broken records

Margins by which the 588 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.9. Ties are not counted.

Top 20 by Significance

18 August 1985

Top 20 records on 18 August 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1985	Richland, US	daily high min	26.1 C (79.0 F)	10.5 C (18.9 F)	89 years	62 of 100 (Major)
18 August 1985	Wytheville, US	daily rain	87.6 mm (3.4 in)	57.1 mm (2.2 in)	46 years	62 of 100 (Major)
18 August 1985	Dutch Harbor, US	daily rain	27.7 mm (1.1 in)	22.6 mm (0.9 in)	62 years	60 of 100 (Major)
18 August 1985	Kirensk, RU	daily rain	42.2 mm (1.7 in)	26.2 mm (1.0 in)	26 years	56 of 100 (Notable)
18 August 1985	Louisa, US	daily rain	149.4 mm (5.9 in)	87.9 mm (3.5 in)	30 years	56 of 100 (Notable)
18 August 1985	Gaffney 6 E, US	daily rain	104.6 mm (4.1 in)	82.8 mm (3.3 in)	10 years	52 of 100 (Notable)
18 August 1985	Galax Radio Wbrf, US	daily rain	78.5 mm (3.1 in)	59.4 mm (2.3 in)	30 years	52 of 100 (Notable)
18 August 1985	Independence 2, US	daily rain	68.3 mm (2.7 in)	48.0 mm (1.9 in)	30 years	52 of 100 (Notable)
18 August 1985	Richmond Intl AP, US	daily rain	141.7 mm (5.6 in)	68.3 mm (2.7 in)	46 years	52 of 100 (Notable)
18 August 1985	Siler City 2 N, US	monthly rain	147.8 mm (5.8 in)	41.9 mm (1.6 in)	20 years	49 of 100 (Notable)
18 August 1985	Union 3 SSE, US	daily rain	64.3 mm (2.5 in)	37.6 mm (1.5 in)	12 years	49 of 100 (Notable)
18 August 1985	Pulaski 2 E, US	daily rain	73.7 mm (2.9 in)	38.9 mm (1.5 in)	30 years	47 of 100 (Notable)
18 August 1985	Bederkesa, DE	daily rain	44.0 mm (1.7 in)	25.3 mm (1.0 in)	4 years	46 of 100 (Notable)
18 August 1985	Blowing Rock 1NW, US	daily rain	50.8 mm (2.0 in)	16.8 mm (0.7 in)	90 years	46 of 100 (Notable)
18 August 1985	Roanoke-Blacksburg Rgnl AP, US	daily rain	80.8 mm (3.2 in)	57.7 mm (2.3 in)	12 years	46 of 100 (Notable)
18 August 1985	Garden City Rgnl AP, US	daily rain	90.7 mm (3.6 in)	71.6 mm (2.8 in)	10 years	46 of 100 (Notable)
18 August 1985	Huajintlan, MX	daily low max	20.6 C (69.1 F)	8.3 C (14.9 F)	16 years	45 of 100 (Notable)
18 August 1985	San Javier, MX	daily rain	91.9 mm (3.6 in)	65.0 mm (2.6 in)	36 years	45 of 100 (Notable)
18 August 1985	Glen Lyn, US	monthly rain	73.7 mm (2.9 in)	15.3 mm (0.6 in)	49 years	45 of 100 (Notable)
18 August 1985	Princess Anne, US	daily rain	76.2 mm (3.0 in)	24.6 mm (1.0 in)	78 years	44 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 1985

Records set or tied on this calendar date in each year from 1797 to 1985. 1985 had 765 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 1985-08-18: 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	529
20 to 40	44
40 to 60	10
60 to 80	3
80 to 100	2