Weather Records on 15 April 1986

1,140 weather records were set or tied worldwide on 15 April 1986. Highest significance: Valley City 3 NNW, US.

Key Facts for 15 April 1986

On 15 April 1986, 1,140 weather records were set or tied at long-record stations worldwide.
211 were record highs and 467 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 39 monthly and 1,098 daily.
Valley City 3 NNW set a daily record snowfall of 30.5 cm (12.0 in) on 15 April 1986.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 489 records.

Record Map

1,140 stations

1,140 station records on 15 April 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Valley City 3 NNW	United States	Record daily snowfall	30.5 cm (12.0 in)	76 of 100 (Major)
Armour	United States	Record snow depth	12.7 cm (5.0 in)	63 of 100 (Major)
Devils Lake Kdlr	United States	Record daily snowfall	20.3 cm (8.0 in)	63 of 100 (Major)
Jamestown State Hosp	United States	Record snow depth	27.9 cm (11.0 in)	62 of 100 (Major)
Onaka	United States	Record daily snowfall	30.5 cm (12.0 in)	61 of 100 (Major)
Highmore	United States	Record daily snowfall	20.3 cm (8.0 in)	58 of 100 (Notable)
Cooperstown	United States	Record daily snowfall	12.7 cm (5.0 in)	55 of 100 (Notable)
Ashley	United States	Record snow depth	30.5 cm (12.0 in)	54 of 100 (Notable)
Montpelier	United States	Record daily snowfall	17.8 cm (7.0 in)	53 of 100 (Notable)
Blunt	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Forestburg 4 NNE	United States	Record snow depth	12.7 cm (5.0 in)	52 of 100 (Notable)
Tula (Dge)	Mexico	Record daily precipitation	43.9 mm (1.7 in)	50 of 100 (Notable)
Academy 2NE	United States	Record snow depth	10.2 cm (4.0 in)	50 of 100 (Notable)
Maandagshoek	South Africa	Record daily precipitation	59.0 mm (2.3 in)	49 of 100 (Notable)
Devils Lake Kdlr	United States	Record snow depth	25.4 cm (10.0 in)	48 of 100 (Notable)
Rockville 1 NE	United States	Record daily precipitation	33.3 mm (1.3 in)	47 of 100 (Notable)
Springview 2NW	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Mc Henry 3W	United States	Record daily snowfall	12.7 cm (5.0 in)	47 of 100 (Notable)
Poplar 2 E	United States	Record low minimum temperature	-18.3 C (-0.9 F)	46 of 100 (Notable)
Bloomfield	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Madison	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
W Pt	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Litchville 2NW	United States	Record daily snowfall	22.9 cm (9.0 in)	46 of 100 (Notable)
Onaka	United States	Record snow depth	30.5 cm (12.0 in)	46 of 100 (Notable)
Tyndall	United States	Record snow depth	15.2 cm (6.0 in)	46 of 100 (Notable)
Banderlierkop (Pol)	South Africa	Record daily precipitation	55.0 mm (2.2 in)	45 of 100 (Notable)
Raymond 3 NE	United States	Record daily precipitation	47.2 mm (1.9 in)	45 of 100 (Notable)
Gen. Santos	Philippines	Record daily precipitation	45.0 mm (1.8 in)	44 of 100 (Notable)
Laurel	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Laurel	United States	Record snow depth	10.2 cm (4.0 in)	44 of 100 (Notable)
Beach	United States	Record low minimum temperature	-18.9 C (-2.0 F)	44 of 100 (Notable)
Gettysburg	United States	Record snow depth	30.5 cm (12.0 in)	44 of 100 (Notable)
Caconde	Brazil	Record daily precipitation	42.9 mm (1.7 in)	43 of 100 (Notable)
Glendive	United States	Record low maximum temperature	-5.6 C (21.9 F)	43 of 100 (Notable)
Onaka	United States	Record daily precipitation	32.3 mm (1.3 in)	43 of 100 (Notable)
Mahalapye	Botswana	Record daily precipitation	55.3 mm (2.2 in)	42 of 100 (Notable)
Stockport (Pol)	South Africa	Record daily precipitation	44.0 mm (1.7 in)	42 of 100 (Notable)
Savage	United States	Record low minimum temperature	-17.8 C (0.0 F)	42 of 100 (Notable)
Maddock	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Willow City	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Onida 4 NW	United States	Record snow depth	17.8 cm (7.0 in)	42 of 100 (Notable)
Phillipsburg 1 SSE	United States	Record low minimum temperature	-11.1 C (12.0 F)	41 of 100 (Notable)
Fremont	United States	Record low maximum temperature	-1.7 C (28.9 F)	41 of 100 (Notable)
Bonesteel	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Marion	United States	Record daily snowfall	6.4 cm (2.5 in)	41 of 100 (Notable)
Velikie Luki	Russia	Record low maximum temperature	0.9 C (33.6 F)	40 of 100 (Notable)
Greeley	United States	Record low maximum temperature	-2.2 C (28.0 F)	40 of 100 (Notable)
Napoleon	United States	Record low maximum temperature	-6.1 C (21.0 F)	40 of 100 (Notable)
Mellette 4 W	United States	Record daily snowfall	7.9 cm (3.1 in)	40 of 100 (Notable)
Winside	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Sveg	Sweden	Record low minimum temperature	-15.6 C (3.9 F)	38 of 100 (Notable)
Sidney	United States	Record low minimum temperature	-22.8 C (-9.0 F)	38 of 100 (Notable)
Neligh	United States	Record daily snowfall	8.9 cm (3.5 in)	38 of 100 (Notable)
Bowbells	United States	Record low minimum temperature	-19.4 C (-2.9 F)	38 of 100 (Notable)
Mohall	United States	Record low maximum temperature	-3.9 C (25.0 F)	38 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record low maximum temperature	-0.6 C (30.9 F)	38 of 100 (Notable)
Williston Sloulin Fld	United States	Record low minimum temperature	-21.1 C (-6.0 F)	38 of 100 (Notable)
Martim Francisco	Brazil	Record daily precipitation	75.3 mm (3.0 in)	37 of 100 (Notable)
Palestine	United States	Record low maximum temperature	3.3 C (37.9 F)	37 of 100 (Notable)
Wakefield 3NW	United States	Record daily snowfall	6.4 cm (2.5 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,140 records

Records set or tied on 15 April 1986 by type: Highest daily maximum 105, Lowest daily maximum 275, Highest daily minimum 106, Lowest daily minimum 192, Heaviest daily rainfall 248, Heaviest daily snowfall 93, Deepest snow cover 121.

Records on 15 April 1986 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	275
Highest daily minimum	106
Lowest daily minimum	192
Heaviest daily rainfall	248
Heaviest daily snowfall	93
Deepest snow cover	121

Records on 15 April 1986 by timescale: all-time 3, monthly 39, daily 1,098.

How Much Records Were Beaten By

958 broken records

Margins by which the 958 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 331.0. Ties are not counted.

Top 20 by Significance

15 April 1986

Top 20 records on 15 April 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 1986	Valley City 3 NNW, US	daily snowfall	30.5 cm (12.0 in)	30.5 cm (12.0 in)	91 years	76 of 100 (Major)
15 April 1986	Armour, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	89 years	63 of 100 (Major)
15 April 1986	Devils Lake Kdlr, US	daily snowfall	20.3 cm (8.0 in)	18.8 cm (7.4 in)	57 years	63 of 100 (Major)
15 April 1986	Jamestown State Hosp, US	daily snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	85 years	62 of 100 (Major)
15 April 1986	Onaka, US	monthly snowfall	30.5 cm (12.0 in)	12.7 cm (5.0 in)	69 years	61 of 100 (Major)
15 April 1986	Highmore, US	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	76 years	58 of 100 (Notable)
15 April 1986	Cooperstown, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	80 years	55 of 100 (Notable)
15 April 1986	Ashley, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	41 years	54 of 100 (Notable)
15 April 1986	Montpelier, US	daily snowfall	17.8 cm (7.0 in)	17.3 cm (6.8 in)	35 years	53 of 100 (Notable)
15 April 1986	Blunt, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	72 years	53 of 100 (Notable)
15 April 1986	Forestburg 4 NNE, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	86 years	52 of 100 (Notable)
15 April 1986	Tula (Dge), MX	daily rain	43.9 mm (1.7 in)	28.9 mm (1.1 in)	36 years	50 of 100 (Notable)
15 April 1986	Academy 2NE, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	86 years	50 of 100 (Notable)
15 April 1986	Maandagshoek, ZA	daily rain	59.0 mm (2.3 in)	36.6 mm (1.4 in)	35 years	49 of 100 (Notable)
15 April 1986	Devils Lake Kdlr, US	daily snow depth	25.4 cm (10.0 in)	22.9 cm (9.0 in)	37 years	48 of 100 (Notable)
15 April 1986	Rockville 1 NE, US	daily rain	33.3 mm (1.3 in)	16.8 mm (0.7 in)	72 years	47 of 100 (Notable)
15 April 1986	Springview 2NW, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	92 years	47 of 100 (Notable)
15 April 1986	Mc Henry 3W, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	76 years	47 of 100 (Notable)
15 April 1986	Poplar 2 E, US	daily low min	-18.3 C (-0.9 F)	6.1 C (11.0 F)	89 years	46 of 100 (Notable)
15 April 1986	Bloomfield, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	79 years	46 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

1801 to 1986

Records set or tied on this calendar date in each year from 1801 to 1986. 1986 had 1,140 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 1986-04-15: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 50	857
50 to 100	52
100 to 150	24
150 to 200	13
200 to 250	5
250 to 300	3
300 to 350	4