Weather Records on 11 April 1986

1,062 weather records were set or tied worldwide on 11 April 1986. Highest significance: Naalehu 14, US.

Key Facts for 11 April 1986

On 11 April 1986, 1,062 weather records were set or tied at long-record stations worldwide.
127 were record highs and 659 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 237 monthly and 825 daily.
Naalehu 14 set a monthly record daily precipitation of 210.8 mm (8.3 in) on 11 April 1986.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 477 records.

Record Map

1,062 stations

1,062 station records on 11 April 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Naalehu 14	United States	Record daily precipitation	210.8 mm (8.3 in)	62 of 100 (Major)
Kailua 446	United States	Record daily precipitation	149.9 mm (5.9 in)	61 of 100 (Major)
Kukaiau 222	United States	Record daily precipitation	268.5 mm (10.6 in)	58 of 100 (Notable)
Kwa-Mbonambi (Bos)	South Africa	Record daily precipitation	136.0 mm (5.4 in)	57 of 100 (Notable)
Hamakuapoko 485	United States	Record daily precipitation	50.8 mm (2.0 in)	57 of 100 (Notable)
Lupi Upper 442	United States	Record daily precipitation	429.3 mm (16.9 in)	57 of 100 (Notable)
Schmalkalden	Germany	Record snow depth	20.0 cm (7.9 in)	54 of 100 (Notable)
Valley Head	United States	Record snow depth	17.8 cm (7.0 in)	53 of 100 (Notable)
Paia 406	United States	Record daily precipitation	39.6 mm (1.6 in)	53 of 100 (Notable)
Bad Blankenburg	Germany	Record snow depth	12.0 cm (4.7 in)	52 of 100 (Notable)
Hakalau 142	United States	Record daily precipitation	161.8 mm (6.4 in)	52 of 100 (Notable)
Weissenburg	Germany	Record low maximum temperature	-0.6 C (30.9 F)	51 of 100 (Notable)
Ookala 223	United States	Record daily precipitation	190.2 mm (7.5 in)	50 of 100 (Notable)
Paauhau 217	United States	Record daily precipitation	145.0 mm (5.7 in)	49 of 100 (Notable)
Kulani Camp 79	United States	Record daily precipitation	127.0 mm (5.0 in)	48 of 100 (Notable)
Honaunau 27	United States	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low maximum temperature	-0.1 C (31.8 F)	45 of 100 (Notable)
Hawaii Vol Np HQ 54	United States	Record daily precipitation	261.1 mm (10.3 in)	45 of 100 (Notable)
Honohina 137	United States	Record daily precipitation	157.2 mm (6.2 in)	45 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record low maximum temperature	-0.2 C (31.6 F)	44 of 100 (Notable)
Chemnitz	Germany	Record low maximum temperature	-2.5 C (27.5 F)	44 of 100 (Notable)
Erfurt-Bindersleben	Germany	Record snow depth	13.0 cm (5.1 in)	43 of 100 (Notable)
Regensburg	Germany	Record low maximum temperature	-0.5 C (31.1 F)	43 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record low maximum temperature	1.5 C (34.7 F)	42 of 100 (Notable)
Jena Sternwarte	Germany	Record low maximum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Altastenberg	Germany	Record low maximum temperature	-5.4 C (22.3 F)	42 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record daily precipitation	56.2 mm (2.2 in)	42 of 100 (Notable)
Paauilo 221	United States	Record daily precipitation	189.2 mm (7.4 in)	42 of 100 (Notable)
Waiakea Scd 88.2	United States	Record daily precipitation	201.7 mm (7.9 in)	42 of 100 (Notable)
Uccle	Belgium	Record low maximum temperature	2.5 C (36.5 F)	41 of 100 (Notable)
Berlin-Dahlem	Germany	Record low maximum temperature	1.0 C (33.8 F)	41 of 100 (Notable)
Putbus	Germany	Record low minimum temperature	-2.6 C (27.3 F)	40 of 100 (Notable)
Basel Binningen	Switzerland	Record low maximum temperature	0.9 C (33.6 F)	40 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record low maximum temperature	0.5 C (32.9 F)	39 of 100 (Notable)
Hohenpeissenberg	Germany	Record low maximum temperature	-2.5 C (27.5 F)	39 of 100 (Notable)
Spreckelsville 400	United States	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)
Lyon - St Exupery	France	Record low maximum temperature	2.4 C (36.3 F)	38 of 100 (Notable)
Halle	Germany	Record low maximum temperature	-0.9 C (30.4 F)	37 of 100 (Notable)
Magdeburg	Germany	Record low maximum temperature	1.4 C (34.5 F)	37 of 100 (Notable)
Brocken	Germany	Record low maximum temperature	-8.5 C (16.7 F)	37 of 100 (Notable)
Weimar	Germany	Record snow depth	22.0 cm (8.7 in)	37 of 100 (Notable)
Haina 214	United States	Record daily precipitation	142.2 mm (5.6 in)	37 of 100 (Notable)
Haleakala Rs 338	United States	Record daily precipitation	96.5 mm (3.8 in)	37 of 100 (Notable)
Angermunde	Germany	Record low maximum temperature	-0.8 C (30.6 F)	36 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record low maximum temperature	-4.0 C (24.8 F)	36 of 100 (Notable)
Stuttgart-Stadt	Germany	Record low maximum temperature	-0.1 C (31.8 F)	35 of 100 (Notable)
Keahua 410	United States	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Muenster	Germany	Record low maximum temperature	2.1 C (35.8 F)	34 of 100 (Routine)
Potsdam	Germany	Record low maximum temperature	0.8 C (33.4 F)	34 of 100 (Routine)
Kaunas	Lithuania	Record low minimum temperature	-5.6 C (21.9 F)	34 of 100 (Routine)
Maastricht	Netherlands	Record low maximum temperature	1.8 C (35.2 F)	34 of 100 (Routine)
Magdeburg	Germany	Record snow depth	11.0 cm (4.3 in)	33 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low minimum temperature	-7.8 C (18.0 F)	33 of 100 (Routine)
Malelane	South Africa	Record daily precipitation	60.0 mm (2.4 in)	33 of 100 (Routine)
Natitingou	Benin	Record daily precipitation	63.0 mm (2.5 in)	32 of 100 (Routine)
Regensburg	Germany	Record low minimum temperature	-3.2 C (26.2 F)	32 of 100 (Routine)
Huichapan	Mexico	Record high minimum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Eiland	South Africa	Record daily precipitation	46.5 mm (1.8 in)	32 of 100 (Routine)
Selby	United States	Record low minimum temperature	-7.8 C (18.0 F)	32 of 100 (Routine)
Honokohua 493	United States	Record daily precipitation	67.3 mm (2.6 in)	32 of 100 (Routine)

Counts by Type and Timescale

1,062 records

Records set or tied on 11 April 1986 by type: Highest daily maximum 57, Lowest daily maximum 463, Highest daily minimum 70, Lowest daily minimum 196, Heaviest daily rainfall 127, Heaviest daily snowfall 45, Deepest snow cover 104.

Records on 11 April 1986 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	463
Highest daily minimum	70
Lowest daily minimum	196
Heaviest daily rainfall	127
Heaviest daily snowfall	45
Deepest snow cover	104

Records on 11 April 1986 by timescale: all-time 0, monthly 237, daily 825.

How Much Records Were Beaten By

894 broken records

Margins by which the 894 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 332.3. Ties are not counted.

Top 20 by Significance

11 April 1986

Top 20 records on 11 April 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1986	Naalehu 14, US	monthly rain	210.8 mm (8.3 in)	41.6 mm (1.6 in)	62 years	62 of 100 (Major)
11 April 1986	Kailua 446, US	daily rain	149.9 mm (5.9 in)	91.2 mm (3.6 in)	45 years	61 of 100 (Major)
11 April 1986	Kukaiau 222, US	daily rain	268.5 mm (10.6 in)	116.1 mm (4.6 in)	44 years	58 of 100 (Notable)
11 April 1986	Kwa-Mbonambi (Bos), ZA	daily rain	136.0 mm (5.4 in)	105.0 mm (4.1 in)	43 years	57 of 100 (Notable)
11 April 1986	Hamakuapoko 485, US	daily rain	50.8 mm (2.0 in)	39.1 mm (1.5 in)	44 years	57 of 100 (Notable)
11 April 1986	Lupi Upper 442, US	daily rain	429.3 mm (16.9 in)	332.3 mm (13.1 in)	39 years	57 of 100 (Notable)
11 April 1986	Schmalkalden, DE	monthly snow depth	20.0 cm (7.9 in)	14.0 cm (5.5 in)	2 years	54 of 100 (Notable)
11 April 1986	Valley Head, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	44 years	53 of 100 (Notable)
11 April 1986	Paia 406, US	daily rain	39.6 mm (1.6 in)	31.5 mm (1.2 in)	19 years	53 of 100 (Notable)
11 April 1986	Bad Blankenburg, DE	daily snow depth	12.0 cm (4.7 in)	12.0 cm (4.7 in)	103 years	52 of 100 (Notable)
11 April 1986	Hakalau 142, US	daily rain	161.8 mm (6.4 in)	97.0 mm (3.8 in)	16 years	52 of 100 (Notable)
11 April 1986	Weissenburg, DE	monthly low max	-0.6 C (30.9 F)	1.3 C (2.3 F)	98 years	51 of 100 (Notable)
11 April 1986	Ookala 223, US	daily rain	190.2 mm (7.5 in)	101.0 mm (4.0 in)	25 years	50 of 100 (Notable)
11 April 1986	Paauhau 217, US	daily rain	145.0 mm (5.7 in)	58.6 mm (2.3 in)	44 years	49 of 100 (Notable)
11 April 1986	Kulani Camp 79, US	daily rain	127.0 mm (5.0 in)	83.1 mm (3.3 in)	16 years	48 of 100 (Notable)
11 April 1986	Honaunau 27, US	daily rain	33.5 mm (1.3 in)	22.8 mm (0.9 in)	48 years	47 of 100 (Notable)
11 April 1986	Leipzig-Holzhausen, DE	daily low max	-0.1 C (31.8 F)	2.5 C (4.5 F)	117 years	45 of 100 (Notable)
11 April 1986	Hawaii Vol Np HQ 54, US	monthly rain	261.1 mm (10.3 in)	54.6 mm (2.1 in)	0 years	45 of 100 (Notable)
11 April 1986	Honohina 137, US	daily rain	157.2 mm (6.2 in)	55.1 mm (2.2 in)	56 years	45 of 100 (Notable)
11 April 1986	Bernburg/Saale (Nord), DE	monthly low max	-0.2 C (31.6 F)	1.9 C (3.4 F)	75 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

1800 to 1986

Records set or tied on this calendar date in each year from 1800 to 1986. 1986 had 1,062 records.

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

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 1986-04-11: 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	848
50 to 100	29
100 to 150	14
150 to 200	2
200 to 250	0
250 to 300	0
300 to 350	1