Weather Records on 7 May 1986

1,163 weather records were set or tied worldwide on 7 May 1986. Highest significance: Wooroonook, AU.

Key Facts for 7 May 1986

On 7 May 1986, 1,163 weather records were set or tied at long-record stations worldwide.
534 were record highs and 250 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 21 monthly and 1,141 daily.
Wooroonook set a daily record precipitation of 46.0 mm (1.8 in) on 7 May 1986.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 414 records.

Record Map

1,163 stations

1,163 station records on 7 May 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wooroonook	Australia	Record daily precipitation	46.0 mm (1.8 in)	78 of 100 (Major)
Kurundi	Australia	Record daily precipitation	52.1 mm (2.1 in)	60 of 100 (Major)
Kanosh	United States	Record daily snowfall	15.2 cm (6.0 in)	57 of 100 (Notable)
St Helens Post Office	Australia	Record daily precipitation	39.0 mm (1.5 in)	56 of 100 (Notable)
Monroe	United States	Record daily precipitation	63.2 mm (2.5 in)	55 of 100 (Notable)
Bingara (Derra Derra)	Australia	Record daily precipitation	66.0 mm (2.6 in)	53 of 100 (Notable)
Keokuk L&D 19	United States	Record daily precipitation	109.2 mm (4.3 in)	51 of 100 (Notable)
Branxholm (Stoke Street)	Australia	Record daily precipitation	49.2 mm (1.9 in)	49 of 100 (Notable)
Forsyth 6 NNW	United States	Record high maximum temperature	38.3 C (100.9 F)	49 of 100 (Notable)
Olinda #1 332	United States	Record daily precipitation	144.8 mm (5.7 in)	47 of 100 (Notable)
St Marys (Cullenswood)	Australia	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Mc Farland	United States	Record daily precipitation	82.8 mm (3.3 in)	46 of 100 (Notable)
Potsdam	Germany	Record daily precipitation	39.6 mm (1.6 in)	45 of 100 (Notable)
St Marys (Clive Street)	Australia	Record daily precipitation	71.2 mm (2.8 in)	44 of 100 (Notable)
Jetsonville ( Muskfield )	Australia	Record daily precipitation	45.8 mm (1.8 in)	43 of 100 (Notable)
Ekimchan	Russia	Record daily precipitation	36.2 mm (1.4 in)	43 of 100 (Notable)
Mineral Ridge Wtr Wks	United States	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Putbus	Germany	Record high minimum temperature	12.7 C (54.9 F)	42 of 100 (Notable)
Santaquin Chlorinator	United States	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Moorina (Frome Dam)	Australia	Record daily precipitation	34.2 mm (1.3 in)	41 of 100 (Notable)
Sandford (Maydena)	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Niederstotzingen	Germany	Record daily precipitation	33.8 mm (1.3 in)	41 of 100 (Notable)
Northdale	United States	Record snow depth	10.2 cm (4.0 in)	41 of 100 (Notable)
Spencer 6 SSE	United States	Record daily precipitation	35.1 mm (1.4 in)	41 of 100 (Notable)
Muddy Gap	United States	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Mount Morris	Australia	Record daily precipitation	92.0 mm (3.6 in)	39 of 100 (Notable)
Ormley	Australia	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Angermunde	Germany	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Trinidad	United States	Record high minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Kaycee	United States	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Byzantium	Australia	Record daily precipitation	45.0 mm (1.8 in)	38 of 100 (Notable)
Majuro Wbas AP	Marshall Islands	Record daily precipitation	92.2 mm (3.6 in)	38 of 100 (Notable)
Harnosand	Sweden	Record high maximum temperature	20.5 C (68.9 F)	38 of 100 (Notable)
St Petersburg	United States	Record daily precipitation	46.2 mm (1.8 in)	38 of 100 (Notable)
Nashville 1 E	United States	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Ashton 1N	United States	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Chestertown	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Ralph 1 N	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Bierbank	Australia	Record daily precipitation	50.2 mm (2.0 in)	36 of 100 (Notable)
Neumunster	Germany	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Lodi	United States	Record low minimum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Dubois	United States	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Tullochard	Australia	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Fingal (Legge Street)	Australia	Record daily precipitation	27.2 mm (1.1 in)	35 of 100 (Notable)
Petropavlovskij Majak	Russia	Record high maximum temperature	16.9 C (62.4 F)	35 of 100 (Notable)
Vastervik	Sweden	Record high maximum temperature	21.0 C (69.8 F)	35 of 100 (Notable)
Atlantic 1 NE	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
St George Post Office	Australia	Record daily precipitation	52.7 mm (2.1 in)	34 of 100 (Routine)
Kelvin (Carellan)	Australia	Record daily precipitation	25.2 mm (1.0 in)	34 of 100 (Routine)
Chillicothe	United States	Record daily precipitation	50.3 mm (2.0 in)	34 of 100 (Routine)
Camp Crook	United States	Record daily snowfall	12.7 cm (5.0 in)	34 of 100 (Routine)
Kanosh	United States	Record snow depth	10.2 cm (4.0 in)	34 of 100 (Routine)
Bridport Post Office	Australia	Record daily precipitation	37.2 mm (1.5 in)	33 of 100 (Routine)
Vasilevici	Belarus	Record low minimum temperature	-1.2 C (29.8 F)	33 of 100 (Routine)
Tatarsk	Russia	Record low maximum temperature	2.1 C (35.8 F)	33 of 100 (Routine)
Barguzin	Russia	Record low minimum temperature	-12.3 C (9.9 F)	33 of 100 (Routine)
Taganrog (Lighthouse)	Russia	Record low maximum temperature	10.1 C (50.2 F)	33 of 100 (Routine)
Feodosiia	Ukraine	Record low minimum temperature	2.3 C (36.1 F)	33 of 100 (Routine)
Madison	United States	Record low maximum temperature	6.7 C (44.1 F)	33 of 100 (Routine)
Denton 2 E	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,163 records

Records set or tied on 7 May 1986 by type: Highest daily maximum 257, Lowest daily maximum 164, Highest daily minimum 277, Lowest daily minimum 86, Heaviest daily rainfall 343, Heaviest daily snowfall 25, Deepest snow cover 11.

Records on 7 May 1986 by type
Record type	Records
Highest daily maximum	257
Lowest daily maximum	164
Highest daily minimum	277
Lowest daily minimum	86
Heaviest daily rainfall	343
Heaviest daily snowfall	25
Deepest snow cover	11

Records on 7 May 1986 by timescale: all-time 1, monthly 21, daily 1,141.

How Much Records Were Beaten By

970 broken records

Margins by which the 970 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 216.0. Ties are not counted.

Top 20 by Significance

7 May 1986

Top 20 records on 7 May 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1986	Wooroonook, AU	daily rain	46.0 mm (1.8 in)	30.5 mm (1.2 in)	94 years	78 of 100 (Major)
7 May 1986	Kurundi, AU	daily rain	52.1 mm (2.1 in)	52.1 mm (2.1 in)	52 years	60 of 100 (Major)
7 May 1986	Kanosh, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	69 years	57 of 100 (Notable)
7 May 1986	St Helens Post Office, AU	daily rain	39.0 mm (1.5 in)	23.3 mm (0.9 in)	68 years	56 of 100 (Notable)
7 May 1986	Monroe, US	daily rain	63.2 mm (2.5 in)	36.5 mm (1.4 in)	27 years	55 of 100 (Notable)
7 May 1986	Bingara (Derra Derra), AU	daily rain	66.0 mm (2.6 in)	31.5 mm (1.2 in)	72 years	53 of 100 (Notable)
7 May 1986	Keokuk L&D 19, US	daily rain	109.2 mm (4.3 in)	63.5 mm (2.5 in)	8 years	51 of 100 (Notable)
7 May 1986	Branxholm (Stoke Street), AU	daily rain	49.2 mm (1.9 in)	23.8 mm (0.9 in)	63 years	49 of 100 (Notable)
7 May 1986	Forsyth 6 NNW, US	monthly high max	38.3 C (100.9 F)	2.2 C (4.0 F)	81 years	49 of 100 (Notable)
7 May 1986	Olinda #1 332, US	monthly rain	144.8 mm (5.7 in)	35.6 mm (1.4 in)	3 years	47 of 100 (Notable)
7 May 1986	St Marys (Cullenswood), AU	daily rain	50.0 mm (2.0 in)	32.5 mm (1.3 in)	60 years	46 of 100 (Notable)
7 May 1986	Mc Farland, US	daily rain	82.8 mm (3.3 in)	35.0 mm (1.4 in)	53 years	46 of 100 (Notable)
7 May 1986	Potsdam, DE	daily rain	39.6 mm (1.6 in)	11.8 mm (0.5 in)	52 years	45 of 100 (Notable)
7 May 1986	St Marys (Clive Street), AU	daily rain	71.2 mm (2.8 in)	41.2 mm (1.6 in)	60 years	44 of 100 (Notable)
7 May 1986	Jetsonville ( Muskfield ), AU	daily rain	45.8 mm (1.8 in)	26.0 mm (1.0 in)	25 years	43 of 100 (Notable)
7 May 1986	Ekimchan, RU	daily rain	36.2 mm (1.4 in)	20.9 mm (0.8 in)	0 years	43 of 100 (Notable)
7 May 1986	Mineral Ridge Wtr Wks, US	daily rain	38.1 mm (1.5 in)	19.0 mm (0.7 in)	51 years	43 of 100 (Notable)
7 May 1986	Putbus, DE	daily high min	12.7 C (54.9 F)	2.2 C (4.0 F)	85 years	42 of 100 (Notable)
7 May 1986	Santaquin Chlorinator, US	daily rain	31.8 mm (1.3 in)	11.7 mm (0.5 in)	64 years	42 of 100 (Notable)
7 May 1986	Moorina (Frome Dam), AU	daily rain	34.2 mm (1.3 in)	15.1 mm (0.6 in)	68 years	41 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 1,163 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 1986-05-07: 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 50	953
50 to 100	8
100 to 150	7
150 to 200	1
200 to 250	1