Weather Records on 12 May 1986

473 weather records were set or tied worldwide on 12 May 1986. Highest significance: Yenda (Henry Street), AU.

Key Facts for 12 May 1986

On 12 May 1986, 473 weather records were set or tied at long-record stations worldwide.
183 were record highs and 144 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 465 daily.
Yenda (Henry Street) set a daily record precipitation of 37.1 mm (1.5 in) on 12 May 1986.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 453 records.

Record Map

473 stations

473 station records on 12 May 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yenda (Henry Street)	Australia	Record daily precipitation	37.1 mm (1.5 in)	55 of 100 (Notable)
Canton 4N	United States	Record daily precipitation	110.5 mm (4.4 in)	53 of 100 (Notable)
Narangba Railway STN	Australia	Record daily precipitation	122.0 mm (4.8 in)	51 of 100 (Notable)
Hattonvale Store	Australia	Record daily precipitation	56.2 mm (2.2 in)	49 of 100 (Notable)
Lajas Substn	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	47 of 100 (Notable)
Pedro Leopoldo	Brazil	Record daily precipitation	58.4 mm (2.3 in)	43 of 100 (Notable)
Tabulam Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	42 of 100 (Notable)
Spencer 1 N	United States	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
Guaira	Brazil	Record daily precipitation	100.2 mm (3.9 in)	38 of 100 (Notable)
Cavalier 7NW	United States	Record daily precipitation	27.2 mm (1.1 in)	38 of 100 (Notable)
Zakatala	Azerbaijan	Record daily precipitation	60.6 mm (2.4 in)	36 of 100 (Notable)
Glenwood 2WNW	United States	Record high minimum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
Juana Diaz Camp	Puerto Rico [United States]	Record daily precipitation	86.4 mm (3.4 in)	35 of 100 (Notable)
Rocky Boy	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Wentworth 2.5 WNW	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
Grundy	United States	Record daily precipitation	53.1 mm (2.1 in)	35 of 100 (Notable)
Salitre	Brazil	Record daily precipitation	39.2 mm (1.5 in)	34 of 100 (Routine)
New Hampton	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Clearwater	United States	Record daily precipitation	61.0 mm (2.4 in)	34 of 100 (Routine)
Lower Bucca	Australia	Record daily precipitation	43.8 mm (1.7 in)	33 of 100 (Routine)
Forks 1 E	United States	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
Northport	United States	Record low maximum temperature	10.6 C (51.1 F)	33 of 100 (Routine)
Ft Pierce	United States	Record low minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Bonnie Brae	Australia	Record daily precipitation	27.8 mm (1.1 in)	31 of 100 (Routine)
Juncos 1 SE	Puerto Rico [United States]	Record low maximum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Highland Home	United States	Record high maximum temperature	35.6 C (96.1 F)	30 of 100 (Routine)
Snake Rvr	United States	Record low minimum temperature	-11.7 C (10.9 F)	30 of 100 (Routine)
Dedopliskaro	Georgia	Record daily precipitation	29.8 mm (1.2 in)	29 of 100 (Routine)
Uil	Kazakhstan	Record low maximum temperature	12.0 C (53.6 F)	29 of 100 (Routine)
Nikolskoye/Beringa Ostrov	Russia	Record high minimum temperature	3.2 C (37.8 F)	29 of 100 (Routine)
Voronez	Russia	Record low minimum temperature	-0.8 C (30.6 F)	29 of 100 (Routine)
Urjupinsk	Russia	Record low minimum temperature	-1.7 C (28.9 F)	29 of 100 (Routine)
Durant	United States	Record daily precipitation	50.3 mm (2.0 in)	29 of 100 (Routine)
Saint Bernard	United States	Record daily precipitation	36.6 mm (1.4 in)	28 of 100 (Routine)
Snyder	United States	Record daily precipitation	53.6 mm (2.1 in)	28 of 100 (Routine)
Kent	United States	Record low maximum temperature	13.3 C (55.9 F)	28 of 100 (Routine)
Xochiapa	Mexico	Record high maximum temperature	45.0 C (113.0 F)	27 of 100 (Routine)
Jakutsk	Russia	Record low maximum temperature	2.3 C (36.1 F)	27 of 100 (Routine)
Crescent City	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Winona 5 E	United States	Record daily precipitation	70.1 mm (2.8 in)	27 of 100 (Routine)
Marilia	Brazil	Record daily precipitation	44.0 mm (1.7 in)	26 of 100 (Routine)
Bjoernoeya	Norway	Record high maximum temperature	7.5 C (45.5 F)	26 of 100 (Routine)
Capitan	United States	Record high maximum temperature	27.2 C (81.0 F)	26 of 100 (Routine)
Harwell	Australia	Record daily precipitation	26.8 mm (1.1 in)	25 of 100 (Routine)
Guayabal	Puerto Rico [United States]	Record daily precipitation	116.8 mm (4.6 in)	25 of 100 (Routine)
Humacao 2 SSE	Puerto Rico [United States]	Record low maximum temperature	25.6 C (78.1 F)	25 of 100 (Routine)
Indiga	Russia	Record low minimum temperature	-16.2 C (2.8 F)	25 of 100 (Routine)
Daroca	Spain	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Canby	United States	Record high minimum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Pickens	United States	Record daily precipitation	88.1 mm (3.5 in)	25 of 100 (Routine)
Skovorodino	Russia	Record low minimum temperature	-8.5 C (16.7 F)	24 of 100 (Routine)
Norsk	Russia	Record low minimum temperature	-4.0 C (24.8 F)	24 of 100 (Routine)
Arhara	Russia	Record low minimum temperature	-5.1 C (22.8 F)	24 of 100 (Routine)
Overbrook 5 SE	United States	Record daily precipitation	46.2 mm (1.8 in)	24 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record high minimum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Lexington	United States	Record daily precipitation	42.4 mm (1.7 in)	24 of 100 (Routine)
Ookala 223	United States	Record daily precipitation	56.1 mm (2.2 in)	24 of 100 (Routine)
Alibek	Azerbaijan	Record daily precipitation	43.7 mm (1.7 in)	23 of 100 (Routine)
Woodford Post Office	Australia	Record daily precipitation	38.0 mm (1.5 in)	23 of 100 (Routine)
Bonalbo Post Office	Australia	Record daily precipitation	27.0 mm (1.1 in)	23 of 100 (Routine)

Counts by Type and Timescale

473 records

Records set or tied on 12 May 1986 by type: Highest daily maximum 87, Lowest daily maximum 59, Highest daily minimum 96, Lowest daily minimum 85, Heaviest daily rainfall 145, Heaviest daily snowfall 1.

Records on 12 May 1986 by type
Record type	Records
Highest daily maximum	87
Lowest daily maximum	59
Highest daily minimum	96
Lowest daily minimum	85
Heaviest daily rainfall	145
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 12 May 1986 by timescale: all-time 1, monthly 7, daily 465.

How Much Records Were Beaten By

348 broken records

Margins by which the 348 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.1. Ties are not counted.

Top 20 by Significance

12 May 1986

Top 20 records on 12 May 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1986	Yenda (Henry Street), AU	daily rain	37.1 mm (1.5 in)	24.9 mm (1.0 in)	56 years	55 of 100 (Notable)
12 May 1986	Canton 4N, US	daily rain	110.5 mm (4.4 in)	76.2 mm (3.0 in)	15 years	53 of 100 (Notable)
12 May 1986	Narangba Railway STN, AU	daily rain	122.0 mm (4.8 in)	95.1 mm (3.7 in)	16 years	51 of 100 (Notable)
12 May 1986	Hattonvale Store, AU	daily rain	56.2 mm (2.2 in)	23.7 mm (0.9 in)	71 years	49 of 100 (Notable)
12 May 1986	Lajas Substn, PR	daily low max	26.7 C (80.1 F)	3.9 C (7.0 F)	23 years	47 of 100 (Notable)
12 May 1986	Pedro Leopoldo, BR	daily rain	58.4 mm (2.3 in)	41.4 mm (1.6 in)	12 years	43 of 100 (Notable)
12 May 1986	Tabulam Post Office, AU	daily rain	32.0 mm (1.3 in)	19.3 mm (0.8 in)	64 years	42 of 100 (Notable)
12 May 1986	Spencer 1 N, US	daily rain	35.3 mm (1.4 in)	5.6 mm (0.22 in)	89 years	40 of 100 (Notable)
12 May 1986	Guaira, BR	daily rain	100.2 mm (3.9 in)	78.6 mm (3.1 in)	1 year	38 of 100 (Notable)
12 May 1986	Cavalier 7NW, US	daily rain	27.2 mm (1.1 in)	15.0 mm (0.6 in)	51 years	38 of 100 (Notable)
12 May 1986	Zakatala, AZ	daily rain	60.6 mm (2.4 in)	34.9 mm (1.4 in)	36 years	36 of 100 (Notable)
12 May 1986	Glenwood 2WNW, US	daily high min	13.3 C (55.9 F)	0.5 C (0.9 F)	89 years	36 of 100 (Notable)
12 May 1986	Juana Diaz Camp, PR	daily rain	86.4 mm (3.4 in)	45.8 mm (1.8 in)	16 years	35 of 100 (Notable)
12 May 1986	Rocky Boy, US	daily rain	50.8 mm (2.0 in)	39.1 mm (1.5 in)	0 years	35 of 100 (Notable)
12 May 1986	Wentworth 2.5 WNW, US	daily high min	17.2 C (63.0 F)	1.1 C (2.0 F)	80 years	35 of 100 (Notable)
12 May 1986	Grundy, US	daily rain	53.1 mm (2.1 in)	25.2 mm (1.0 in)	24 years	35 of 100 (Notable)
12 May 1986	Salitre, BR	daily rain	39.2 mm (1.5 in)	26.6 mm (1.0 in)	9 years	34 of 100 (Routine)
12 May 1986	New Hampton, US	daily high min	16.1 C (61.0 F)	0.5 C (0.9 F)	80 years	34 of 100 (Routine)
12 May 1986	Clearwater, US	daily rain	61.0 mm (2.4 in)	25.9 mm (1.0 in)	8 years	34 of 100 (Routine)
12 May 1986	Lower Bucca, AU	daily rain	43.8 mm (1.7 in)	24.7 mm (1.0 in)	57 years	33 of 100 (Routine)

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

1814 to 1986

Records set or tied on this calendar date in each year from 1814 to 1986. 1986 had 473 records.

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

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 1986-05-12: 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	326
20 to 40	16
40 to 60	3
60 to 80	2
80 to 100	1