Weather Records on 8 May 1986

1,210 weather records were set or tied worldwide on 8 May 1986. Highest significance: Overland Corner, AU.

Key Facts for 8 May 1986

On 8 May 1986, 1,210 weather records were set or tied at long-record stations worldwide.
409 were record highs and 315 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 1,191 daily.
Overland Corner set a daily record precipitation of 34.2 mm (1.3 in) on 8 May 1986.
Across 163 earlier years (1795 to 2026) the same calendar date averaged 426 records.

Record Map

1,210 stations

1,210 station records on 8 May 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 8 May 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Overland Corner	Australia	Record daily precipitation	34.2 mm (1.3 in)	80 of 100 (Exceptional)
Mobridge 2NNW	United States	Record daily precipitation	67.3 mm (2.6 in)	56 of 100 (Notable)
Kennebec	United States	Record daily precipitation	101.6 mm (4.0 in)	55 of 100 (Notable)
Coolatai (Willunga)	Australia	Record daily precipitation	51.6 mm (2.0 in)	54 of 100 (Notable)
Glenwood 2WNW	United States	Record daily precipitation	49.5 mm (1.9 in)	53 of 100 (Notable)
Barisaho	Georgia	Record daily precipitation	51.4 mm (2.0 in)	51 of 100 (Notable)
Collegeville St John's	United States	Record daily precipitation	81.5 mm (3.2 in)	51 of 100 (Notable)
Butte	United States	Record daily precipitation	40.9 mm (1.6 in)	49 of 100 (Notable)
Leola	United States	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Williamson	United States	Record daily precipitation	46.7 mm (1.8 in)	49 of 100 (Notable)
Watertown Rgnl AP	United States	Record daily precipitation	38.9 mm (1.5 in)	49 of 100 (Notable)
Mora	United States	Record daily precipitation	60.7 mm (2.4 in)	48 of 100 (Notable)
Garfield	United States	Record daily precipitation	32.0 mm (1.3 in)	48 of 100 (Notable)
Carnarvon Station	Australia	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Bridger 2 N	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
Texas Post Office	Australia	Record daily precipitation	44.8 mm (1.8 in)	45 of 100 (Notable)
Bungunya School	Australia	Record daily precipitation	37.4 mm (1.5 in)	45 of 100 (Notable)
New London	United States	Record daily precipitation	70.6 mm (2.8 in)	45 of 100 (Notable)
Newport	United States	Record daily precipitation	52.8 mm (2.1 in)	45 of 100 (Notable)
Linjiang	China	Record daily precipitation	46.5 mm (1.8 in)	44 of 100 (Notable)
Petropavlovskij Majak	Russia	Record daily precipitation	25.1 mm (1.0 in)	44 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	33.3 mm (1.3 in)	44 of 100 (Notable)
Alexandria	United States	Record daily precipitation	43.9 mm (1.7 in)	44 of 100 (Notable)
Marion	United States	Record daily precipitation	47.2 mm (1.9 in)	44 of 100 (Notable)
Goondiwindi Post Office	Australia	Record daily precipitation	43.6 mm (1.7 in)	43 of 100 (Notable)
Monte Verde Paulista	Brazil	Record daily precipitation	41.1 mm (1.6 in)	43 of 100 (Notable)
Nakhon Si Thammarat	Thailand	Record daily precipitation	77.0 mm (3.0 in)	43 of 100 (Notable)
Colstrip	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Waikerie	Australia	Record daily precipitation	38.4 mm (1.5 in)	42 of 100 (Notable)
Brassua Dam	United States	Record daily precipitation	33.3 mm (1.3 in)	42 of 100 (Notable)
Alpine	United States	Record daily precipitation	32.8 mm (1.3 in)	42 of 100 (Notable)
Bundarra (Araluen)	Australia	Record daily precipitation	70.2 mm (2.8 in)	41 of 100 (Notable)
Ponte Do Souza	Brazil	Record daily precipitation	48.0 mm (1.9 in)	41 of 100 (Notable)
Cumikan	Russia	Record daily precipitation	42.6 mm (1.7 in)	41 of 100 (Notable)
Little Falls 2NNE	United States	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Broadus	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Amasia	Armenia	Record daily precipitation	32.1 mm (1.3 in)	40 of 100 (Notable)
Greenmount	Australia	Record daily precipitation	58.8 mm (2.3 in)	40 of 100 (Notable)
Grantsville 2W	United States	Record daily precipitation	29.5 mm (1.2 in)	40 of 100 (Notable)
Pleasant Grove	United States	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Dubois	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Mount Topper State Forest	Australia	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Palestine	United States	Record high maximum temperature	34.4 C (93.9 F)	39 of 100 (Notable)
Moosehead	United States	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Canistota 2 N	United States	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Eagle Butte	United States	Record daily precipitation	43.4 mm (1.7 in)	39 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Inglewood Post Office	Australia	Record daily precipitation	46.8 mm (1.8 in)	38 of 100 (Notable)
Phuket	Thailand	Record daily precipitation	103.1 mm (4.1 in)	38 of 100 (Notable)
Sidney 1SSE	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Fulton 3 W	United States	Record high maximum temperature	34.4 C (93.9 F)	38 of 100 (Notable)
Forbes 10 NW	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Bedford	United States	Record high minimum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Madison 3NNW	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Frogmoor	Australia	Record daily precipitation	25.0 mm (1.0 in)	37 of 100 (Notable)
Macwood	Australia	Record daily precipitation	36.0 mm (1.4 in)	37 of 100 (Notable)
Attunga (Garthowen)	Australia	Record daily precipitation	36.0 mm (1.4 in)	37 of 100 (Notable)
Bom Jardim de Minas	Brazil	Record daily precipitation	32.4 mm (1.3 in)	37 of 100 (Notable)
Sanborn	United States	Record daily precipitation	39.6 mm (1.6 in)	37 of 100 (Notable)
Quinter	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,210 records

Records set or tied on 8 May 1986 by type: Highest daily maximum 197, Lowest daily maximum 237, Highest daily minimum 212, Lowest daily minimum 78, Heaviest daily rainfall 452, Heaviest daily snowfall 22, Deepest snow cover 12.

Records on 8 May 1986 by type
Record type	Records
Highest daily maximum	197
Lowest daily maximum	237
Highest daily minimum	212
Lowest daily minimum	78
Heaviest daily rainfall	452
Heaviest daily snowfall	22
Deepest snow cover	12

Records on 8 May 1986 by timescale: all-time 0, monthly 19, daily 1,191.

How Much Records Were Beaten By

986 broken records

Margins by which the 986 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

8 May 1986

Top 20 records on 8 May 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
8 May 1986	Overland Corner, AU	daily rain	34.2 mm (1.3 in)	23.5 mm (0.9 in)	101 years	80 of 100 (Exceptional)
8 May 1986	Mobridge 2NNW, US	daily rain	67.3 mm (2.6 in)	31.7 mm (1.2 in)	59 years	56 of 100 (Notable)
8 May 1986	Kennebec, US	daily rain	101.6 mm (4.0 in)	54.4 mm (2.1 in)	20 years	55 of 100 (Notable)
8 May 1986	Coolatai (Willunga), AU	daily rain	51.6 mm (2.0 in)	31.0 mm (1.2 in)	72 years	54 of 100 (Notable)
8 May 1986	Glenwood 2WNW, US	daily rain	49.5 mm (1.9 in)	41.1 mm (1.6 in)	17 years	53 of 100 (Notable)
8 May 1986	Barisaho, GE	daily rain	51.4 mm (2.0 in)	30.3 mm (1.2 in)	27 years	51 of 100 (Notable)
8 May 1986	Collegeville St John's, US	daily rain	81.5 mm (3.2 in)	50.3 mm (2.0 in)	8 years	51 of 100 (Notable)
8 May 1986	Butte, US	daily rain	40.9 mm (1.6 in)	27.2 mm (1.1 in)	60 years	49 of 100 (Notable)
8 May 1986	Leola, US	daily rain	58.4 mm (2.3 in)	33.0 mm (1.3 in)	36 years	49 of 100 (Notable)
8 May 1986	Williamson, US	daily rain	46.7 mm (1.8 in)	14.9 mm (0.6 in)	84 years	49 of 100 (Notable)
8 May 1986	Watertown Rgnl AP, US	daily rain	38.9 mm (1.5 in)	19.1 mm (0.8 in)	83 years	49 of 100 (Notable)
8 May 1986	Mora, US	daily rain	60.7 mm (2.4 in)	26.4 mm (1.0 in)	52 years	48 of 100 (Notable)
8 May 1986	Garfield, US	daily rain	32.0 mm (1.3 in)	23.4 mm (0.9 in)	20 years	48 of 100 (Notable)
8 May 1986	Carnarvon Station, AU	daily rain	31.0 mm (1.2 in)	31.0 mm (1.2 in)	61 years	46 of 100 (Notable)
8 May 1986	Bridger 2 N, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	76 years	46 of 100 (Notable)
8 May 1986	Texas Post Office, AU	daily rain	44.8 mm (1.8 in)	13.6 mm (0.5 in)	83 years	45 of 100 (Notable)
8 May 1986	Bungunya School, AU	daily rain	37.4 mm (1.5 in)	19.1 mm (0.8 in)	72 years	45 of 100 (Notable)
8 May 1986	New London, US	daily rain	70.6 mm (2.8 in)	37.8 mm (1.5 in)	8 years	45 of 100 (Notable)
8 May 1986	Newport, US	daily rain	52.8 mm (2.1 in)	26.6 mm (1.0 in)	49 years	45 of 100 (Notable)
8 May 1986	Linjiang, CN	daily rain	46.5 mm (1.8 in)	33.9 mm (1.3 in)	4 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

1795 to 1986

Records set or tied on this calendar date in each year from 1795 to 1986. 1986 had 1,210 records.

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

Records on 05-08 in each year
Year	Records
1795	2
1806	1
1825	1
1834	1
1845	2
1848	1
1849	1
1851	1
1852	1
1857	1
1858	2
1861	2
1862	1
1863	1
1865	1
1867	4
1868	1
1873	1
1874	3
1876	3
1879	1
1880	1
1882	4
1883	1
1885	1
1886	3
1888	2
1889	1
1890	2
1891	2
1892	2
1893	3
1894	1
1895	1
1896	3
1897	5
1898	2
1900	10
1901	5
1902	5
1903	11
1904	13
1905	17
1906	27
1907	7
1908	14
1909	19
1910	26
1911	34
1912	36
1913	34
1914	71
1915	35
1916	17
1917	108
1918	47
1919	132
1920	62
1921	35
1922	38
1923	510
1924	196
1925	272
1926	191
1927	328
1928	310
1929	194
1930	572
1931	403
1932	283
1933	553
1934	728
1935	78
1936	650
1937	107
1938	425
1939	235
1940	296
1941	271
1942	128
1943	465
1944	258
1945	646
1946	271
1947	1,152
1948	453
1949	361
1950	748
1951	274
1952	794
1953	580
1954	463
1955	411
1956	490
1957	546
1958	440
1959	252
1960	748
1961	556
1962	450
1963	1,105
1964	731
1965	704
1966	522
1967	573
1968	424
1969	542
1970	501
1971	413
1972	509
1973	527
1974	777
1975	555
1976	989
1977	682
1978	676
1979	1,113
1980	722
1981	613
1982	557
1983	638
1984	1,072
1985	591
1986	1,210
1987	1,226
1988	632
1989	1,543
1990	715
1991	710
1992	1,740
1993	892
1994	768
1995	1,340
1996	908
1997	973
1998	1,348
1999	985
2000	1,782
2001	851
2002	1,843
2003	1,420
2004	1,133
2005	685
2006	801
2007	718
2008	595
2009	779
2010	1,079
2011	602
2012	709
2013	686
2014	958
2015	647
2016	752
2017	467
2018	711
2019	723
2020	599
2021	419
2022	908
2023	579
2024	1,015
2025	380
2026	292

Download the Data

Data for records on 1986-05-08: 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	909
20 to 40	56
40 to 60	14
60 to 80	4
80 to 100	1
100 to 120	0
120 to 140	2