Weather Records on 14 August 1986

775 weather records were set or tied worldwide on 14 August 1986. Highest significance: Dwtn Charleston, US.

Key Facts for 14 August 1986

On 14 August 1986, 775 weather records were set or tied at long-record stations worldwide.
157 were record highs and 160 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 760 daily.
Dwtn Charleston set a daily record precipitation of 118.9 mm (4.7 in) on 14 August 1986.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

775 stations

775 station records on 14 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 14 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dwtn Charleston	United States	Record daily precipitation	118.9 mm (4.7 in)	75 of 100 (Major)
Victoria Sugar Mill	Australia	Record daily precipitation	45.0 mm (1.8 in)	69 of 100 (Major)
Montezuma 1 W	United States	Record daily precipitation	102.9 mm (4.1 in)	59 of 100 (Notable)
Lochiel Saltworks	Australia	Record daily precipitation	26.8 mm (1.1 in)	58 of 100 (Notable)
Bute	Australia	Record daily precipitation	26.6 mm (1.0 in)	57 of 100 (Notable)
Gillespie	Australia	Record daily precipitation	44.0 mm (1.7 in)	56 of 100 (Notable)
Cape Cleveland Lighthouse	Australia	Record daily precipitation	31.0 mm (1.2 in)	55 of 100 (Notable)
Newton	United States	Record daily precipitation	52.6 mm (2.1 in)	55 of 100 (Notable)
Port Augusta (Carriewerloo STN	Australia	Record daily precipitation	25.0 mm (1.0 in)	54 of 100 (Notable)
Pella 1S	United States	Record daily precipitation	99.1 mm (3.9 in)	54 of 100 (Notable)
Port Wakefield	Australia	Record daily precipitation	26.0 mm (1.0 in)	53 of 100 (Notable)
Wakefield	Australia	Record daily precipitation	35.0 mm (1.4 in)	53 of 100 (Notable)
Lajes Ab	Portugal	Record daily precipitation	55.9 mm (2.2 in)	53 of 100 (Notable)
Tobolsk	Russia	Record daily precipitation	27.2 mm (1.1 in)	53 of 100 (Notable)
Sharon	United States	Record daily precipitation	53.1 mm (2.1 in)	53 of 100 (Notable)
Austin Waste Wtp Facility	United States	Record daily precipitation	60.7 mm (2.4 in)	51 of 100 (Notable)
Alectown (Vanvilla)	Australia	Record daily precipitation	39.6 mm (1.6 in)	50 of 100 (Notable)
Oskaloosa	United States	Record daily precipitation	118.1 mm (4.6 in)	50 of 100 (Notable)
Memphis	United States	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
Mount Templeton (Glenalbyn)	Australia	Record daily precipitation	27.4 mm (1.1 in)	49 of 100 (Notable)
Canbelego Post Office	Australia	Record daily precipitation	40.0 mm (1.6 in)	49 of 100 (Notable)
Riga	Latvia	Record daily precipitation	43.4 mm (1.7 in)	49 of 100 (Notable)
Port Clinton (Yararoo)	Australia	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Nagpur Sonegaon	India	Record daily precipitation	126.0 mm (5.0 in)	48 of 100 (Notable)
Hilo Intl AP 87	United States	Record daily precipitation	144.0 mm (5.7 in)	48 of 100 (Notable)
Maitland (Weetulta)	Australia	Record daily precipitation	25.0 mm (1.0 in)	47 of 100 (Notable)
Gibson	United States	Record daily precipitation	87.9 mm (3.5 in)	47 of 100 (Notable)
Red Wing Dam 3	United States	Record daily precipitation	57.9 mm (2.3 in)	47 of 100 (Notable)
Kurgan	Russia	Record daily precipitation	31.7 mm (1.2 in)	46 of 100 (Notable)
Albia 3 NNE	United States	Record daily precipitation	65.0 mm (2.6 in)	46 of 100 (Notable)
Vinton	United States	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Trousdale 1 NE	United States	Record daily precipitation	66.8 mm (2.6 in)	44 of 100 (Notable)
Winnibigoshish Dam	United States	Record daily precipitation	64.0 mm (2.5 in)	43 of 100 (Notable)
Luna Rs	United States	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Winston	United States	Record daily precipitation	45.7 mm (1.8 in)	43 of 100 (Notable)
Wahpeton 3 N	United States	Record daily precipitation	28.4 mm (1.1 in)	43 of 100 (Notable)
Baradine Post Office	Australia	Record daily precipitation	34.4 mm (1.4 in)	42 of 100 (Notable)
Gagrskiy	Georgia	Record daily precipitation	65.0 mm (2.6 in)	42 of 100 (Notable)
Belle Plaine	United States	Record daily precipitation	41.7 mm (1.6 in)	42 of 100 (Notable)
Williamsburg 1E	United States	Record daily precipitation	109.2 mm (4.3 in)	42 of 100 (Notable)
Pokegama Dam	United States	Record daily precipitation	65.3 mm (2.6 in)	42 of 100 (Notable)
Newberry	United States	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Chariton 1 E	United States	Record daily precipitation	66.0 mm (2.6 in)	41 of 100 (Notable)
Aracaiba (Capoeiras)	Brazil	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
Beaufort Wwtp	United States	Record daily precipitation	110.7 mm (4.4 in)	40 of 100 (Notable)
Charleston Intl AP	United States	Record daily precipitation	97.0 mm (3.8 in)	40 of 100 (Notable)
Harnosand	Sweden	Record low maximum temperature	12.7 C (54.9 F)	39 of 100 (Notable)
Waynesboro 2 S	United States	Record daily precipitation	32.5 mm (1.3 in)	39 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	71.1 mm (2.8 in)	39 of 100 (Notable)
Inman 5SW	United States	Record daily precipitation	67.1 mm (2.6 in)	39 of 100 (Notable)
Lordsburg 4 SE	United States	Record daily precipitation	40.1 mm (1.6 in)	39 of 100 (Notable)
Lockhart	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Mayo	United States	Record daily precipitation	83.8 mm (3.3 in)	38 of 100 (Notable)
Palmerville	Australia	Record high minimum temperature	21.5 C (70.7 F)	37 of 100 (Notable)
Dublin	United States	Record low maximum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Osceola	United States	Record daily precipitation	59.4 mm (2.3 in)	37 of 100 (Notable)
Garrison	United States	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Okeene	United States	Record daily precipitation	56.1 mm (2.2 in)	37 of 100 (Notable)
Emerald Post Office	Australia	Record high minimum temperature	16.6 C (61.9 F)	36 of 100 (Notable)
Harden Park	Australia	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)

Counts by Type and Timescale

775 records

Records set or tied on 14 August 1986 by type: Highest daily maximum 53, Lowest daily maximum 102, Highest daily minimum 104, Lowest daily minimum 58, Heaviest daily rainfall 458.

Records on 14 August 1986 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	102
Highest daily minimum	104
Lowest daily minimum	58
Heaviest daily rainfall	458
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 14 August 1986 by timescale: all-time 0, monthly 15, daily 760.

How Much Records Were Beaten By

650 broken records

Margins by which the 650 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.9. Ties are not counted.

Top 20 by Significance

14 August 1986

Top 20 records on 14 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
14 August 1986	Dwtn Charleston, US	daily rain	118.9 mm (4.7 in)	73.7 mm (2.9 in)	92 years	75 of 100 (Major)
14 August 1986	Victoria Sugar Mill, AU	daily rain	45.0 mm (1.8 in)	38.6 mm (1.5 in)	68 years	69 of 100 (Major)
14 August 1986	Montezuma 1 W, US	daily rain	102.9 mm (4.1 in)	74.5 mm (2.9 in)	35 years	59 of 100 (Notable)
14 August 1986	Lochiel Saltworks, AU	daily rain	26.8 mm (1.1 in)	14.4 mm (0.6 in)	69 years	58 of 100 (Notable)
14 August 1986	Bute, AU	daily rain	26.6 mm (1.0 in)	12.9 mm (0.5 in)	69 years	57 of 100 (Notable)
14 August 1986	Gillespie, AU	daily rain	44.0 mm (1.7 in)	32.3 mm (1.3 in)	85 years	56 of 100 (Notable)
14 August 1986	Cape Cleveland Lighthouse, AU	daily rain	31.0 mm (1.2 in)	25.4 mm (1.0 in)	43 years	55 of 100 (Notable)
14 August 1986	Newton, US	daily rain	52.6 mm (2.1 in)	31.8 mm (1.3 in)	89 years	55 of 100 (Notable)
14 August 1986	Port Augusta (Carriewerloo STN, AU	daily rain	25.0 mm (1.0 in)	18.9 mm (0.7 in)	28 years	54 of 100 (Notable)
14 August 1986	Pella 1S, US	daily rain	99.1 mm (3.9 in)	84.4 mm (3.3 in)	20 years	54 of 100 (Notable)
14 August 1986	Port Wakefield, AU	daily rain	26.0 mm (1.0 in)	14.3 mm (0.6 in)	15 years	53 of 100 (Notable)
14 August 1986	Wakefield, AU	daily rain	35.0 mm (1.4 in)	35.0 mm (1.4 in)	37 years	53 of 100 (Notable)
14 August 1986	Lajes Ab, PT	daily rain	55.9 mm (2.2 in)	49.0 mm (1.9 in)	35 years	53 of 100 (Notable)
14 August 1986	Tobolsk, RU	daily rain	27.2 mm (1.1 in)	14.9 mm (0.6 in)	77 years	53 of 100 (Notable)
14 August 1986	Sharon, US	daily rain	53.1 mm (2.1 in)	37.1 mm (1.5 in)	52 years	53 of 100 (Notable)
14 August 1986	Austin Waste Wtp Facility, US	daily rain	60.7 mm (2.4 in)	49.8 mm (2.0 in)	40 years	51 of 100 (Notable)
14 August 1986	Alectown (Vanvilla), AU	daily rain	39.6 mm (1.6 in)	35.5 mm (1.4 in)	24 years	50 of 100 (Notable)
14 August 1986	Oskaloosa, US	daily rain	118.1 mm (4.6 in)	87.4 mm (3.4 in)	4 years	50 of 100 (Notable)
14 August 1986	Memphis, US	daily rain	63.5 mm (2.5 in)	27.4 mm (1.1 in)	71 years	50 of 100 (Notable)
14 August 1986	Mount Templeton (Glenalbyn), AU	daily rain	27.4 mm (1.1 in)	18.2 mm (0.7 in)	4 years	49 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 1986

Records set or tied on this calendar date in each year from 1793 to 1986. 1986 had 775 records.

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

Records on 08-14 in each year
Year	Records
1793	2
1807	1
1815	1
1818	1
1825	1
1833	2
1839	1
1841	1
1843	1
1845	2
1856	2
1857	1
1859	1
1861	1
1864	3
1865	1
1866	2
1868	1
1870	1
1871	1
1872	1
1873	1
1874	1
1876	4
1882	1
1884	1
1885	3
1886	1
1887	3
1889	2
1890	1
1891	1
1892	3
1893	2
1894	2
1895	3
1896	5
1897	5
1898	2
1899	2
1900	1
1901	1
1902	8
1903	8
1904	3
1905	10
1906	8
1907	6
1908	28
1909	35
1910	10
1911	30
1912	56
1913	24
1914	16
1915	17
1916	109
1917	38
1918	60
1919	103
1920	56
1921	61
1922	54
1923	92
1924	319
1925	128
1926	182
1927	147
1928	233
1929	449
1930	627
1931	410
1932	314
1933	349
1934	470
1935	314
1936	612
1937	354
1938	519
1939	376
1940	489
1941	467
1942	364
1943	583
1944	709
1945	572
1946	511
1947	658
1948	373
1949	374
1950	402
1951	458
1952	560
1953	312
1954	457
1955	535
1956	426
1957	281
1958	421
1959	495
1960	414
1961	663
1962	885
1963	811
1964	1,394
1965	451
1966	388
1967	902
1968	1,315
1969	482
1970	398
1971	677
1972	552
1973	489
1974	542
1975	461
1976	1,060
1977	562
1978	834
1979	1,115
1980	544
1981	719
1982	539
1983	775
1984	598
1985	1,095
1986	775
1987	1,157
1988	1,301
1989	728
1990	737
1991	856
1992	1,709
1993	887
1994	1,149
1995	1,444
1996	954
1997	922
1998	1,100
1999	1,329
2000	1,117
2001	806
2002	1,576
2003	1,913
2004	1,936
2005	1,340
2006	1,073
2007	1,340
2008	798
2009	818
2010	1,704
2011	772
2012	758
2013	612
2014	651
2015	931
2016	824
2017	559
2018	397
2019	578
2020	1,009
2021	932
2022	771
2023	1,116
2024	1,045
2025	798
2026	1,211

Download the Data

Data for records on 1986-08-14: 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	588
20 to 40	45
40 to 60	9
60 to 80	5
80 to 100	3