Weather Records on 30 August 1986

1,768 weather records were set or tied worldwide on 30 August 1986. Highest significance: Memphis, US.

Key Facts for 30 August 1986

On 30 August 1986, 1,768 weather records were set or tied at long-record stations worldwide.
158 were record highs and 1,387 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 306 monthly and 1,460 daily.
Memphis set a monthly record daily precipitation of 120.1 mm (4.7 in) on 30 August 1986.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 415 records.

Record Map

1,768 stations

1,768 station records on 30 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Memphis	United States	Record daily precipitation	120.1 mm (4.7 in)	67 of 100 (Major)
Glennville 3NW	United States	Record low maximum temperature	17.2 C (63.0 F)	61 of 100 (Major)
Lumpkin 2 SE	United States	Record low maximum temperature	20.6 C (69.1 F)	59 of 100 (Notable)
Monticello 5 SE	United States	Record low maximum temperature	19.4 C (66.9 F)	55 of 100 (Notable)
Americus	United States	Record low maximum temperature	18.3 C (64.9 F)	55 of 100 (Notable)
Stilbaai (Bos)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	54 of 100 (Notable)
Highland Home	United States	Record low maximum temperature	20.0 C (68.0 F)	54 of 100 (Notable)
Chandler Heights	United States	Record daily precipitation	37.6 mm (1.5 in)	53 of 100 (Notable)
Blakely	United States	Record low maximum temperature	22.8 C (73.0 F)	53 of 100 (Notable)
Cuthbert	United States	Record low maximum temperature	18.3 C (64.9 F)	53 of 100 (Notable)
Uppsala_Aut	Sweden	Record daily precipitation	38.0 mm (1.5 in)	52 of 100 (Notable)
Greensboro	United States	Record low maximum temperature	20.6 C (69.1 F)	52 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record low maximum temperature	11.0 C (51.8 F)	51 of 100 (Notable)
Pinsk	Belarus	Record daily precipitation	71.9 mm (2.8 in)	50 of 100 (Notable)
Union Springs 9 S	United States	Record low maximum temperature	21.1 C (70.0 F)	50 of 100 (Notable)
Cordele	United States	Record low maximum temperature	17.8 C (64.0 F)	50 of 100 (Notable)
Nive Downs	Australia	Record daily precipitation	30.0 mm (1.2 in)	49 of 100 (Notable)
Brewton 3 SSE	United States	Record low maximum temperature	20.0 C (68.0 F)	49 of 100 (Notable)
Clanton	United States	Record low maximum temperature	20.6 C (69.1 F)	49 of 100 (Notable)
Covington	United States	Record low maximum temperature	20.0 C (68.0 F)	49 of 100 (Notable)
Fitzgerald	United States	Record low minimum temperature	13.9 C (57.0 F)	49 of 100 (Notable)
Warrenton	United States	Record low maximum temperature	19.4 C (66.9 F)	49 of 100 (Notable)
Hendersonville 1 NE	United States	Record low maximum temperature	16.7 C (62.1 F)	49 of 100 (Notable)
Enterprise Beryl Jct	United States	Record daily precipitation	43.2 mm (1.7 in)	49 of 100 (Notable)
Selma	United States	Record low maximum temperature	23.3 C (73.9 F)	48 of 100 (Notable)
Cape May 2 NW	United States	Record low minimum temperature	7.8 C (46.0 F)	48 of 100 (Notable)
Blackville 3 W	United States	Record low maximum temperature	19.4 C (66.9 F)	48 of 100 (Notable)
Walterboro 1 SW	United States	Record low maximum temperature	17.8 C (64.0 F)	48 of 100 (Notable)
Monticello Muni AP	United States	Record low minimum temperature	10.6 C (51.1 F)	48 of 100 (Notable)
W Pt	United States	Record low maximum temperature	21.1 C (70.0 F)	47 of 100 (Notable)
Hatteras	United States	Record low maximum temperature	23.3 C (73.9 F)	47 of 100 (Notable)
Walnut Canyon Nm	United States	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Natchitoches	United States	Record low minimum temperature	12.2 C (54.0 F)	46 of 100 (Notable)
Kingstree	United States	Record low maximum temperature	21.1 C (70.0 F)	46 of 100 (Notable)
Walterboro 1 SW	United States	Record low minimum temperature	13.3 C (55.9 F)	46 of 100 (Notable)
Huajintlan	Mexico	Record low maximum temperature	20.6 C (69.1 F)	45 of 100 (Notable)
Millen 4 N	United States	Record low maximum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Moscow U of I	United States	Record daily precipitation	36.3 mm (1.4 in)	45 of 100 (Notable)
Minden	United States	Record low minimum temperature	11.1 C (52.0 F)	45 of 100 (Notable)
Plain Dealing	United States	Record low minimum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Fredericksburg	United States	Record low minimum temperature	12.8 C (55.0 F)	45 of 100 (Notable)
Munsvattnet	Sweden	Record daily precipitation	29.6 mm (1.2 in)	44 of 100 (Notable)
Augusta Bush Fld AP	United States	Record low maximum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Dwtn Charleston	United States	Record low minimum temperature	16.1 C (61.0 F)	44 of 100 (Notable)
Chipley	United States	Record low maximum temperature	21.7 C (71.1 F)	43 of 100 (Notable)
Lampasas	United States	Record low minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Baltimore Customs House	United States	Record low minimum temperature	11.1 C (52.0 F)	43 of 100 (Notable)
Alma Bacon Co AP	United States	Record low minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Lufkin Angelina Co AP	United States	Record low minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Albertinia (Pol)	South Africa	Record daily precipitation	53.5 mm (2.1 in)	42 of 100 (Notable)
Orskar_A	Sweden	Record daily precipitation	38.9 mm (1.5 in)	42 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record low minimum temperature	-4.8 C (23.4 F)	42 of 100 (Notable)
Aberdeen	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Xingren	China	Record daily precipitation	89.5 mm (3.5 in)	41 of 100 (Notable)
Vattholma	Sweden	Record daily precipitation	41.5 mm (1.6 in)	41 of 100 (Notable)
Brooklet 1 W	United States	Record low maximum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Waynesboro 2 S	United States	Record low maximum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Calhoun 2 N	United States	Record low minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Southport 5 N	United States	Record low maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Mc Lean	United States	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,768 records

Records set or tied on 30 August 1986 by type: Highest daily maximum 49, Lowest daily maximum 643, Highest daily minimum 109, Lowest daily minimum 744, Heaviest daily rainfall 223.

Records on 30 August 1986 by type
Record type	Records
Highest daily maximum	49
Lowest daily maximum	643
Highest daily minimum	109
Lowest daily minimum	744
Heaviest daily rainfall	223
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1986 by timescale: all-time 2, monthly 306, daily 1,460.

How Much Records Were Beaten By

1,370 broken records

Margins by which the 1,370 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.5. Ties are not counted.

Top 20 by Significance

30 August 1986

Top 20 records on 30 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1986	Memphis, US	monthly rain	120.1 mm (4.7 in)	49.0 mm (1.9 in)	42 years	67 of 100 (Major)
30 August 1986	Glennville 3NW, US	monthly low max	17.2 C (63.0 F)	5.0 C (9.0 F)	81 years	61 of 100 (Major)
30 August 1986	Lumpkin 2 SE, US	daily low max	20.6 C (69.1 F)	6.6 C (11.9 F)	87 years	59 of 100 (Notable)
30 August 1986	Monticello 5 SE, US	monthly low max	19.4 C (66.9 F)	4.5 C (8.1 F)	66 years	55 of 100 (Notable)
30 August 1986	Americus, US	monthly low max	18.3 C (64.9 F)	3.4 C (6.1 F)	81 years	55 of 100 (Notable)
30 August 1986	Stilbaai (Bos), ZA	daily rain	47.0 mm (1.9 in)	38.0 mm (1.5 in)	27 years	54 of 100 (Notable)
30 August 1986	Highland Home, US	monthly low max	20.0 C (68.0 F)	2.2 C (4.0 F)	89 years	54 of 100 (Notable)
30 August 1986	Chandler Heights, US	daily rain	37.6 mm (1.5 in)	35.8 mm (1.4 in)	44 years	53 of 100 (Notable)
30 August 1986	Blakely, US	daily low max	22.8 C (73.0 F)	4.4 C (7.9 F)	91 years	53 of 100 (Notable)
30 August 1986	Cuthbert, US	monthly low max	18.3 C (64.9 F)	6.7 C (12.1 F)	17 years	53 of 100 (Notable)
30 August 1986	Uppsala_Aut, SE	daily rain	38.0 mm (1.5 in)	8.4 mm (0.33 in)	103 years	52 of 100 (Notable)
30 August 1986	Greensboro, US	monthly low max	20.6 C (69.1 F)	1.6 C (2.9 F)	92 years	52 of 100 (Notable)
30 August 1986	Vasteras-Hasslo, SE	monthly low max	11.0 C (51.8 F)	0.5 C (0.9 F)	101 years	51 of 100 (Notable)
30 August 1986	Pinsk, BY	monthly rain	71.9 mm (2.8 in)	0.7 mm (0.03 in)	111 years	50 of 100 (Notable)
30 August 1986	Union Springs 9 S, US	monthly low max	21.1 C (70.0 F)	1.1 C (2.0 F)	92 years	50 of 100 (Notable)
30 August 1986	Cordele, US	monthly low max	17.8 C (64.0 F)	5.0 C (9.0 F)	34 years	50 of 100 (Notable)
30 August 1986	Nive Downs, AU	daily rain	30.0 mm (1.2 in)	17.3 mm (0.7 in)	68 years	49 of 100 (Notable)
30 August 1986	Brewton 3 SSE, US	monthly low max	20.0 C (68.0 F)	3.9 C (7.0 F)	59 years	49 of 100 (Notable)
30 August 1986	Clanton, US	monthly low max	20.6 C (69.1 F)	1.1 C (2.0 F)	89 years	49 of 100 (Notable)
30 August 1986	Covington, US	daily low max	20.0 C (68.0 F)	4.4 C (7.9 F)	87 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

1806 to 1986

Records set or tied on this calendar date in each year from 1806 to 1986. 1986 had 1,768 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 1986-08-30: 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 10	1,317
10 to 20	36
20 to 30	7
30 to 40	6
40 to 50	2
50 to 60	2