Weather Records on 16 May 1986

747 weather records were set or tied worldwide on 16 May 1986. Highest significance: Lamoni, US.

Key Facts for 16 May 1986

On 16 May 1986, 747 weather records were set or tied at long-record stations worldwide.
310 were record highs and 141 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 13 monthly and 731 daily.
Lamoni set a daily record precipitation of 76.7 mm (3.0 in) on 16 May 1986.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 437 records.

Record Map

747 stations

747 station records on 16 May 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 May 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lamoni	United States	Record daily precipitation	76.7 mm (3.0 in)	62 of 100 (Major)
Jackson	United States	Record daily precipitation	114.6 mm (4.5 in)	54 of 100 (Notable)
Fremont	United States	Record daily precipitation	46.7 mm (1.8 in)	54 of 100 (Notable)
Yambacoona	Australia	Record daily precipitation	44.0 mm (1.7 in)	52 of 100 (Notable)
Bulong	Australia	Record daily precipitation	47.5 mm (1.9 in)	51 of 100 (Notable)
Circle Valley	Australia	Record daily precipitation	31.8 mm (1.3 in)	48 of 100 (Notable)
Concordia ASOS	United States	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Ouray	United States	Record daily snowfall	6.9 cm (2.7 in)	47 of 100 (Notable)
Independence	United States	Record daily precipitation	88.9 mm (3.5 in)	46 of 100 (Notable)
Windsor	United States	Record daily precipitation	99.1 mm (3.9 in)	45 of 100 (Notable)
Castle Rock	United States	Record low maximum temperature	4.4 C (39.9 F)	44 of 100 (Notable)
Ewing	United States	Record daily precipitation	49.3 mm (1.9 in)	43 of 100 (Notable)
Pleasant Hill	United States	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Naracoopa	Australia	Record daily precipitation	39.2 mm (1.5 in)	41 of 100 (Notable)
Ballastviken	Sweden	Record daily precipitation	26.5 mm (1.0 in)	41 of 100 (Notable)
Blue Rapids	United States	Record daily precipitation	75.4 mm (3.0 in)	41 of 100 (Notable)
Ravensthorpe	Australia	Record daily precipitation	27.0 mm (1.1 in)	40 of 100 (Notable)
Chicontepec de Tejeda (Smn)	Mexico	Record daily precipitation	114.8 mm (4.5 in)	40 of 100 (Notable)
Arcadia	United States	Record daily precipitation	96.5 mm (3.8 in)	40 of 100 (Notable)
Clay Ctr	United States	Record daily precipitation	66.8 mm (2.6 in)	39 of 100 (Notable)
Oberlin	United States	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)
Sidney 1 S	United States	Record daily precipitation	46.7 mm (1.8 in)	38 of 100 (Notable)
Upper Sandusky	United States	Record daily precipitation	44.7 mm (1.8 in)	38 of 100 (Notable)
Fraser Range	Australia	Record daily precipitation	43.0 mm (1.7 in)	37 of 100 (Notable)
Tbilisi	Georgia	Record low maximum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Wooster Exp STN	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Norseman	Australia	Record daily precipitation	39.0 mm (1.5 in)	35 of 100 (Notable)
Green Cape Lighthouse	Australia	Record daily precipitation	34.2 mm (1.3 in)	35 of 100 (Notable)
Porjus	Sweden	Record daily precipitation	31.0 mm (1.2 in)	35 of 100 (Notable)
Mt Vernon	United States	Record daily precipitation	52.3 mm (2.1 in)	35 of 100 (Notable)
Ripley	United States	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Libby 32 SSE	United States	Record low minimum temperature	-6.7 C (19.9 F)	35 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	24.2 C (75.6 F)	34 of 100 (Routine)
Zanthus	Australia	Record daily precipitation	28.0 mm (1.1 in)	34 of 100 (Routine)
Tiffin	United States	Record daily precipitation	29.7 mm (1.2 in)	34 of 100 (Routine)
Saratoga	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
Paducah	United States	Record daily precipitation	44.2 mm (1.7 in)	34 of 100 (Routine)
Murray Lagoon (Hawks Nest)	Australia	Record daily precipitation	27.5 mm (1.1 in)	33 of 100 (Routine)
Alicia 2 NNE	United States	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)
Elliston	United States	Record daily precipitation	55.9 mm (2.2 in)	33 of 100 (Routine)
Conception	United States	Record daily precipitation	49.5 mm (1.9 in)	33 of 100 (Routine)
Lakeview	United States	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Painesville 4 NW	United States	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Anna 4 N	United States	Record daily precipitation	96.5 mm (3.8 in)	32 of 100 (Routine)
1 N McLeansboro	United States	Record daily precipitation	48.8 mm (1.9 in)	32 of 100 (Routine)
Overbrook 5 SE	United States	Record daily precipitation	46.5 mm (1.8 in)	32 of 100 (Routine)
Fredericktown	United States	Record daily precipitation	108.0 mm (4.3 in)	32 of 100 (Routine)
Perryville Wtp	United States	Record daily precipitation	68.6 mm (2.7 in)	31 of 100 (Routine)
Anaconda	United States	Record low minimum temperature	-3.9 C (25.0 F)	31 of 100 (Routine)
Creighton	United States	Record daily precipitation	46.2 mm (1.8 in)	31 of 100 (Routine)
Wallowa	United States	Record low minimum temperature	-3.9 C (25.0 F)	31 of 100 (Routine)
Sandusky	United States	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)
Saint Maries	United States	Record low minimum temperature	-2.8 C (27.0 F)	30 of 100 (Routine)
Boonville	United States	Record daily precipitation	59.4 mm (2.3 in)	30 of 100 (Routine)
Annex Creek	United States	Record low maximum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Bhubaneswar	India	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Klippen	Sweden	Record daily precipitation	31.0 mm (1.2 in)	29 of 100 (Routine)
Musoma	Tanzania	Record daily precipitation	38.0 mm (1.5 in)	29 of 100 (Routine)
Lovewell Dam	United States	Record daily precipitation	47.0 mm (1.9 in)	29 of 100 (Routine)
Bloomfield	United States	Record daily precipitation	44.7 mm (1.8 in)	29 of 100 (Routine)

Counts by Type and Timescale

747 records

Records set or tied on 16 May 1986 by type: Highest daily maximum 130, Lowest daily maximum 45, Highest daily minimum 180, Lowest daily minimum 96, Heaviest daily rainfall 279, Heaviest daily snowfall 9, Deepest snow cover 8.

Records on 16 May 1986 by type
Record type	Records
Highest daily maximum	130
Lowest daily maximum	45
Highest daily minimum	180
Lowest daily minimum	96
Heaviest daily rainfall	279
Heaviest daily snowfall	9
Deepest snow cover	8

Records on 16 May 1986 by timescale: all-time 3, monthly 13, daily 731.

How Much Records Were Beaten By

556 broken records

Margins by which the 556 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

16 May 1986

Top 20 records on 16 May 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 May 1986	Lamoni, US	daily rain	76.7 mm (3.0 in)	48.5 mm (1.9 in)	44 years	62 of 100 (Major)
16 May 1986	Jackson, US	daily rain	114.6 mm (4.5 in)	58.7 mm (2.3 in)	20 years	54 of 100 (Notable)
16 May 1986	Fremont, US	daily rain	46.7 mm (1.8 in)	33.2 mm (1.3 in)	44 years	54 of 100 (Notable)
16 May 1986	Yambacoona, AU	daily rain	44.0 mm (1.7 in)	23.4 mm (0.9 in)	29 years	52 of 100 (Notable)
16 May 1986	Bulong, AU	monthly rain	47.5 mm (1.9 in)	10.7 mm (0.4 in)	52 years	51 of 100 (Notable)
16 May 1986	Circle Valley, AU	daily rain	31.8 mm (1.3 in)	25.4 mm (1.0 in)	16 years	48 of 100 (Notable)
16 May 1986	Concordia ASOS, US	daily rain	44.5 mm (1.8 in)	17.3 mm (0.7 in)	84 years	48 of 100 (Notable)
16 May 1986	Ouray, US	daily snowfall	6.9 cm (2.7 in)	6.9 cm (2.7 in)	90 years	47 of 100 (Notable)
16 May 1986	Independence, US	daily rain	88.9 mm (3.5 in)	17.5 mm (0.7 in)	89 years	46 of 100 (Notable)
16 May 1986	Windsor, US	monthly rain	99.1 mm (3.9 in)	28.0 mm (1.1 in)	18 years	45 of 100 (Notable)
16 May 1986	Castle Rock, US	daily low max	4.4 C (39.9 F)	5.0 C (9.0 F)	90 years	44 of 100 (Notable)
16 May 1986	Ewing, US	daily rain	49.3 mm (1.9 in)	10.7 mm (0.4 in)	89 years	43 of 100 (Notable)
16 May 1986	Pleasant Hill, US	daily rain	49.0 mm (1.9 in)	23.1 mm (0.9 in)	44 years	43 of 100 (Notable)
16 May 1986	Naracoopa, AU	daily rain	39.2 mm (1.5 in)	8.7 mm (0.34 in)	68 years	41 of 100 (Notable)
16 May 1986	Ballastviken, SE	daily rain	26.5 mm (1.0 in)	14.5 mm (0.6 in)	28 years	41 of 100 (Notable)
16 May 1986	Blue Rapids, US	daily rain	75.4 mm (3.0 in)	31.7 mm (1.2 in)	25 years	41 of 100 (Notable)
16 May 1986	Ravensthorpe, AU	daily rain	27.0 mm (1.1 in)	6.2 mm (0.24 in)	76 years	40 of 100 (Notable)
16 May 1986	Chicontepec de Tejeda (Smn), MX	daily rain	114.8 mm (4.5 in)	73.4 mm (2.9 in)	37 years	40 of 100 (Notable)
16 May 1986	Arcadia, US	daily rain	96.5 mm (3.8 in)	30.0 mm (1.2 in)	37 years	40 of 100 (Notable)
16 May 1986	Clay Ctr, US	daily rain	66.8 mm (2.6 in)	32.5 mm (1.3 in)	25 years	39 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

1802 to 1986

Records set or tied on this calendar date in each year from 1802 to 1986. 1986 had 747 records.

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

Records on 05-16 in each year
Year	Records
1802	1
1806	1
1820	1
1825	1
1832	1
1837	1
1847	1
1856	1
1858	1
1861	1
1862	1
1863	1
1864	1
1866	1
1867	2
1871	1
1874	3
1878	1
1879	1
1880	1
1881	1
1882	1
1883	1
1884	1
1885	1
1886	1
1887	2
1888	2
1889	2
1890	1
1891	4
1892	3
1893	1
1894	2
1895	6
1896	2
1897	1
1898	11
1899	6
1900	7
1901	2
1902	10
1903	9
1904	17
1905	13
1906	25
1907	13
1908	6
1909	57
1910	24
1911	22
1912	13
1913	24
1914	11
1915	104
1916	38
1917	48
1918	395
1919	28
1920	69
1921	106
1922	31
1923	126
1924	152
1925	177
1926	211
1927	230
1928	121
1929	273
1930	170
1931	254
1932	441
1933	268
1934	304
1935	320
1936	520
1937	279
1938	299
1939	448
1940	334
1941	429
1942	721
1943	652
1944	531
1945	888
1946	327
1947	344
1948	281
1949	360
1950	210
1951	558
1952	773
1953	421
1954	251
1955	525
1956	697
1957	610
1958	361
1959	680
1960	370
1961	378
1962	1,295
1963	552
1964	313
1965	442
1966	420
1967	611
1968	790
1969	423
1970	520
1971	509
1972	625
1973	869
1974	1,207
1975	544
1976	518
1977	1,269
1978	808
1979	506
1980	830
1981	896
1982	427
1983	1,579
1984	981
1985	536
1986	747
1987	1,369
1988	946
1989	938
1990	1,068
1991	1,094
1992	809
1993	653
1994	705
1995	1,235
1996	1,835
1997	1,932
1998	1,500
1999	778
2000	1,129
2001	1,110
2002	694
2003	1,289
2004	869
2005	870
2006	1,345
2007	692
2008	1,034
2009	897
2010	836
2011	1,398
2012	770
2013	596
2014	1,483
2015	782
2016	793
2017	710
2018	1,013
2019	572
2020	431
2021	419
2022	717
2023	653
2024	601
2025	993
2026	558

Download the Data

Data for records on 1986-05-16: 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	519
20 to 40	26
40 to 60	3
60 to 80	6
80 to 100	1
100 to 120	1