Weather Records on 27 August 1986

1,072 weather records were set or tied worldwide on 27 August 1986. Highest significance: Port Douglas - Warner St, AU.

Key Facts for 27 August 1986

On 27 August 1986, 1,072 weather records were set or tied at long-record stations worldwide.
329 were record highs and 424 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 51 monthly and 1,016 daily.
Port Douglas - Warner St set a daily record precipitation of 49.4 mm (1.9 in) on 27 August 1986.
Across 165 earlier years (1807 to 2026) the same calendar date averaged 433 records.

Record Map

1,072 stations

1,072 station records on 27 August 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 August 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Port Douglas - Warner St	Australia	Record daily precipitation	49.4 mm (1.9 in)	68 of 100 (Major)
Owosso Wwtp	United States	Record daily precipitation	80.3 mm (3.2 in)	61 of 100 (Major)
Marathon	United States	Record daily precipitation	49.5 mm (1.9 in)	59 of 100 (Notable)
Megri	Armenia	Record daily precipitation	52.7 mm (2.1 in)	58 of 100 (Notable)
Shenkursk	Russia	Record daily precipitation	41.7 mm (1.6 in)	58 of 100 (Notable)
Watertown Wwtp	United States	Record daily precipitation	50.8 mm (2.0 in)	57 of 100 (Notable)
Medicine Lodge	United States	Record daily precipitation	94.2 mm (3.7 in)	56 of 100 (Notable)
Sao Pedro Do Suacui	Brazil	Record daily precipitation	32.0 mm (1.3 in)	54 of 100 (Notable)
Tot-Ma	Russia	Record daily precipitation	46.3 mm (1.8 in)	53 of 100 (Notable)
Bad Axe	United States	Record daily precipitation	48.0 mm (1.9 in)	53 of 100 (Notable)
Trent	United States	Record daily precipitation	86.4 mm (3.4 in)	53 of 100 (Notable)
Postmyr I Drangedal	Norway	Record daily precipitation	80.5 mm (3.2 in)	52 of 100 (Notable)
Notinsila (Bos)	South Africa	Record daily precipitation	106.2 mm (4.2 in)	52 of 100 (Notable)
Vologda	Russia	Record daily precipitation	43.2 mm (1.7 in)	51 of 100 (Notable)
Kjevik	Norway	Record daily precipitation	65.8 mm (2.6 in)	50 of 100 (Notable)
Greer	United States	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Barra Do Escuro	Brazil	Record daily precipitation	48.0 mm (1.9 in)	48 of 100 (Notable)
Potwin	United States	Record daily precipitation	67.6 mm (2.7 in)	48 of 100 (Notable)
Lowell	United States	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Ft Payne	United States	Record daily precipitation	71.4 mm (2.8 in)	47 of 100 (Notable)
Carrollton	United States	Record daily precipitation	62.0 mm (2.4 in)	47 of 100 (Notable)
Dinghai	China	Record daily precipitation	106.7 mm (4.2 in)	46 of 100 (Notable)
Kostroma	Russia	Record daily precipitation	32.0 mm (1.3 in)	46 of 100 (Notable)
Rome	United States	Record daily precipitation	49.0 mm (1.9 in)	46 of 100 (Notable)
Laporte	United States	Record low maximum temperature	17.2 C (63.0 F)	46 of 100 (Notable)
Hartford Wwtp	United States	Record low maximum temperature	14.4 C (57.9 F)	46 of 100 (Notable)
Hartford Wwtp	United States	Record low minimum temperature	2.2 C (36.0 F)	46 of 100 (Notable)
Vila Matias-Montante (Pcd)	Brazil	Record daily precipitation	27.8 mm (1.1 in)	44 of 100 (Notable)
Lugano	Switzerland	Record daily precipitation	91.0 mm (3.6 in)	44 of 100 (Notable)
Utica	United States	Record daily precipitation	40.9 mm (1.6 in)	44 of 100 (Notable)
Washington	United States	Record low maximum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Darrouzett	United States	Record daily precipitation	63.8 mm (2.5 in)	44 of 100 (Notable)
Waukesha Wwtp	United States	Record low maximum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Hedrum	Norway	Record daily precipitation	40.1 mm (1.6 in)	43 of 100 (Notable)
Rushville	United States	Record low minimum temperature	5.6 C (42.1 F)	43 of 100 (Notable)
Madison	United States	Record daily precipitation	75.4 mm (3.0 in)	43 of 100 (Notable)
De Ridder	United States	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Ionia 2SSW	United States	Record low maximum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Centralia	United States	Record high minimum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Oksoey Fyr	Norway	Record daily precipitation	64.6 mm (2.5 in)	42 of 100 (Notable)
Pratt 3NW	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Torungen Fyr	Norway	Record daily precipitation	86.1 mm (3.4 in)	41 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record low maximum temperature	12.9 C (55.2 F)	41 of 100 (Notable)
Saginaw #3	United States	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Wauseon Wtp	United States	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
Portland 1 SW	United States	Record daily precipitation	46.2 mm (1.8 in)	40 of 100 (Notable)
Hutchinson 10 SW	United States	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Sharon Springs	United States	Record low maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Dowagiac 1 W	United States	Record daily precipitation	55.9 mm (2.2 in)	40 of 100 (Notable)
Mestad I Oddernes	Norway	Record daily precipitation	47.5 mm (1.9 in)	39 of 100 (Notable)
Heden	Sweden	Record daily precipitation	33.3 mm (1.3 in)	39 of 100 (Notable)
Backefors	Sweden	Record daily precipitation	67.5 mm (2.7 in)	39 of 100 (Notable)
Orebro	Sweden	Record low maximum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Versailles	United States	Record daily precipitation	32.3 mm (1.3 in)	39 of 100 (Notable)
Dingle	Sweden	Record daily precipitation	37.0 mm (1.5 in)	38 of 100 (Notable)
Beulah	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Midland 4 ENE	United States	Record low maximum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Pomeroy	United States	Record high maximum temperature	39.4 C (102.9 F)	38 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record low maximum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Cuernavaca (Dge)	Mexico	Record low maximum temperature	16.1 C (61.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,072 records

Records set or tied on 27 August 1986 by type: Highest daily maximum 153, Lowest daily maximum 274, Highest daily minimum 176, Lowest daily minimum 150, Heaviest daily rainfall 319.

Records on 27 August 1986 by type
Record type	Records
Highest daily maximum	153
Lowest daily maximum	274
Highest daily minimum	176
Lowest daily minimum	150
Heaviest daily rainfall	319
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 August 1986 by timescale: all-time 5, monthly 51, daily 1,016.

How Much Records Were Beaten By

829 broken records

Margins by which the 829 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.5. Ties are not counted.

Top 20 by Significance

27 August 1986

Top 20 records on 27 August 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 August 1986	Port Douglas - Warner St, AU	daily rain	49.4 mm (1.9 in)	40.0 mm (1.6 in)	61 years	68 of 100 (Major)
27 August 1986	Owosso Wwtp, US	daily rain	80.3 mm (3.2 in)	54.9 mm (2.2 in)	43 years	61 of 100 (Major)
27 August 1986	Marathon, US	daily rain	49.5 mm (1.9 in)	31.7 mm (1.2 in)	71 years	59 of 100 (Notable)
27 August 1986	Megri, AM	all-time rain	52.7 mm (2.1 in)	12.4 mm (0.5 in)	38 years	58 of 100 (Notable)
27 August 1986	Shenkursk, RU	daily rain	41.7 mm (1.6 in)	13.4 mm (0.5 in)	93 years	58 of 100 (Notable)
27 August 1986	Watertown Wwtp, US	daily rain	50.8 mm (2.0 in)	30.5 mm (1.2 in)	83 years	57 of 100 (Notable)
27 August 1986	Medicine Lodge, US	daily rain	94.2 mm (3.7 in)	48.5 mm (1.9 in)	52 years	56 of 100 (Notable)
27 August 1986	Sao Pedro Do Suacui, BR	daily rain	32.0 mm (1.3 in)	31.0 mm (1.2 in)	33 years	54 of 100 (Notable)
27 August 1986	Tot-Ma, RU	daily rain	46.3 mm (1.8 in)	10.3 mm (0.4 in)	91 years	53 of 100 (Notable)
27 August 1986	Bad Axe, US	daily rain	48.0 mm (1.9 in)	39.4 mm (1.6 in)	43 years	53 of 100 (Notable)
27 August 1986	Trent, US	daily rain	86.4 mm (3.4 in)	67.1 mm (2.6 in)	40 years	53 of 100 (Notable)
27 August 1986	Postmyr I Drangedal, NO	daily rain	80.5 mm (3.2 in)	20.5 mm (0.8 in)	88 years	52 of 100 (Notable)
27 August 1986	Notinsila (Bos), ZA	daily rain	106.2 mm (4.2 in)	81.7 mm (3.2 in)	20 years	52 of 100 (Notable)
27 August 1986	Vologda, RU	daily rain	43.2 mm (1.7 in)	31.3 mm (1.2 in)	25 years	51 of 100 (Notable)
27 August 1986	Kjevik, NO	daily rain	65.8 mm (2.6 in)	52.1 mm (2.1 in)	23 years	50 of 100 (Notable)
27 August 1986	Greer, US	daily rain	44.5 mm (1.8 in)	22.7 mm (0.9 in)	35 years	49 of 100 (Notable)
27 August 1986	Barra Do Escuro, BR	monthly rain	48.0 mm (1.9 in)	35.7 mm (1.4 in)	1 year	48 of 100 (Notable)
27 August 1986	Potwin, US	daily rain	67.6 mm (2.7 in)	62.0 mm (2.4 in)	19 years	48 of 100 (Notable)
27 August 1986	Lowell, US	daily rain	63.5 mm (2.5 in)	30.5 mm (1.2 in)	64 years	48 of 100 (Notable)
27 August 1986	Ft Payne, US	daily rain	71.4 mm (2.8 in)	49.6 mm (2.0 in)	36 years	47 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

1807 to 1986

Records set or tied on this calendar date in each year from 1807 to 1986. 1986 had 1,072 records.

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

Records on 08-27 in each year
Year	Records
1807	3
1810	1
1811	1
1813	1
1816	1
1827	1
1829	1
1834	1
1846	1
1847	1
1848	1
1854	1
1857	1
1858	1
1859	1
1863	1
1864	3
1865	2
1869	1
1870	1
1871	1
1874	1
1876	1
1877	4
1880	1
1881	2
1882	1
1884	3
1885	2
1886	2
1887	2
1889	1
1890	10
1891	4
1892	1
1894	7
1895	1
1896	4
1899	5
1900	5
1901	6
1902	2
1903	22
1904	4
1905	16
1906	27
1907	9
1908	10
1909	10
1910	6
1911	16
1912	40
1913	10
1914	31
1915	37
1916	106
1917	57
1918	18
1919	78
1920	36
1921	27
1922	52
1923	63
1924	245
1925	102
1926	143
1927	395
1928	197
1929	80
1930	247
1931	205
1932	355
1933	368
1934	249
1935	348
1936	806
1937	679
1938	374
1939	191
1940	468
1941	504
1942	476
1943	581
1944	811
1945	414
1946	345
1947	291
1948	987
1949	475
1950	380
1951	415
1952	402
1953	712
1954	594
1955	485
1956	387
1957	615
1958	213
1959	522
1960	365
1961	365
1962	577
1963	335
1964	400
1965	440
1966	406
1967	887
1968	517
1969	780
1970	1,361
1971	640
1972	722
1973	1,519
1974	722
1975	506
1976	565
1977	793
1978	671
1979	917
1980	478
1981	998
1982	828
1983	823
1984	683
1985	660
1986	1,072
1987	1,356
1988	601
1989	854
1990	761
1991	813
1992	1,657
1993	1,087
1994	696
1995	1,143
1996	968
1997	1,189
1998	1,387
1999	1,258
2000	865
2001	1,304
2002	1,027
2003	916
2004	1,037
2005	733
2006	1,090
2007	958
2008	885
2009	701
2010	1,045
2011	1,518
2012	626
2013	629
2014	582
2015	832
2016	968
2017	838
2018	933
2019	1,013
2020	777
2021	635
2022	470
2023	953
2024	600
2025	1,218
2026	815

Download the Data

Data for records on 1986-08-27: 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	766
20 to 40	48
40 to 60	10
60 to 80	3
80 to 100	2