Weather Records on 28 May 1986

591 weather records were set or tied worldwide on 28 May 1986. Highest significance: Pesaro, IT.

Key Facts for 28 May 1986

On 28 May 1986, 591 weather records were set or tied at long-record stations worldwide.
315 were record highs and 117 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 42 monthly and 549 daily.
Pesaro set a daily record precipitation of 52.6 mm (2.1 in) on 28 May 1986.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 441 records.

Record Map

591 stations

591 station records on 28 May 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 May 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pesaro	Italy	Record daily precipitation	52.6 mm (2.1 in)	70 of 100 (Major)
Tullahoma	United States	Record daily precipitation	53.3 mm (2.1 in)	57 of 100 (Notable)
Kipling 4 NNW	United States	Record daily precipitation	95.8 mm (3.8 in)	56 of 100 (Notable)
Lincolnton	United States	Record daily precipitation	83.1 mm (3.3 in)	55 of 100 (Notable)
Waynesboro	United States	Record daily precipitation	59.7 mm (2.4 in)	53 of 100 (Notable)
Naalehu 14	United States	Record daily precipitation	49.3 mm (1.9 in)	52 of 100 (Notable)
Tvingelshed	Sweden	Record daily precipitation	43.3 mm (1.7 in)	50 of 100 (Notable)
Ekimchan	Russia	Record daily precipitation	28.4 mm (1.1 in)	45 of 100 (Notable)
Lawrenceburg Filt Plt	United States	Record daily precipitation	93.0 mm (3.7 in)	45 of 100 (Notable)
Little Mtn	United States	Record daily precipitation	56.4 mm (2.2 in)	44 of 100 (Notable)
Livingston 2 NNE	United States	Record daily precipitation	67.1 mm (2.6 in)	44 of 100 (Notable)
Presa Ansaldo	Mexico	Record daily precipitation	52.8 mm (2.1 in)	43 of 100 (Notable)
Nitta Yuma	United States	Record daily precipitation	72.6 mm (2.9 in)	43 of 100 (Notable)
Virginia City	United States	Record high minimum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Panguitch	United States	Record high minimum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
San Francisco Tlalcilalcalpan	Mexico	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
St Joseph 3 N	United States	Record daily precipitation	68.6 mm (2.7 in)	38 of 100 (Notable)
Kalispell Glacier AP	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Villaflores (Smn)	Mexico	Record low minimum temperature	11.7 C (53.1 F)	37 of 100 (Notable)
Elk City 1NE	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Paso de Arocha	Mexico	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Kooskia	United States	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Shelbyville Water Dept	United States	Record daily precipitation	74.4 mm (2.9 in)	36 of 100 (Notable)
Desviacion Alta Al Pedregal	Mexico	Record daily precipitation	46.5 mm (1.8 in)	35 of 100 (Notable)
Manistique Wwtp	United States	Record high maximum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Imlay	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Lima Wwtp	United States	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Valley Falls	United States	Record high minimum temperature	12.2 C (54.0 F)	34 of 100 (Routine)
Walla Walla WSO City	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Garruchos	Brazil	Record daily precipitation	111.0 mm (4.4 in)	33 of 100 (Routine)
Lysebotn	Norway	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Grangeville	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Anaconda	United States	Record high minimum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Indian Lake 2SW	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Savannah 6 SW	United States	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Burketown Post Office	Australia	Record high minimum temperature	22.7 C (72.9 F)	32 of 100 (Routine)
Palo Blanco (Cfe)	Mexico	Record daily precipitation	39.9 mm (1.6 in)	32 of 100 (Routine)
Tuscola	United States	Record daily precipitation	60.2 mm (2.4 in)	32 of 100 (Routine)
Danville Sewage Plt	United States	Record daily precipitation	39.1 mm (1.5 in)	31 of 100 (Routine)
Libby 1 NE Rs	United States	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Huntington	United States	Record high minimum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Kanab	United States	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Seward AP	United States	Record high minimum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Yautepec	Mexico	Record daily precipitation	43.4 mm (1.7 in)	30 of 100 (Routine)
Dillon U of Montana Western	United States	Record high maximum temperature	31.7 C (89.1 F)	30 of 100 (Routine)
Cerro	United States	Record low maximum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Escanaba	United States	Record high maximum temperature	29.4 C (84.9 F)	30 of 100 (Routine)
Challis	United States	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
McGill	United States	Record high maximum temperature	31.1 C (88.0 F)	29 of 100 (Routine)
Springer	United States	Record low maximum temperature	16.7 C (62.1 F)	29 of 100 (Routine)
Nyssa	United States	Record high minimum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
UNIV of Utah	United States	Record high minimum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Pointe Noire	Congo (Brazzaville)	Record daily precipitation	52.1 mm (2.1 in)	28 of 100 (Routine)
Stevensville	United States	Record high maximum temperature	33.9 C (93.0 F)	28 of 100 (Routine)
Arlington	United States	Record high minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Valley Falls	United States	Record high maximum temperature	32.8 C (91.0 F)	28 of 100 (Routine)
Rosalia	United States	Record high minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Baudette	United States	Record high maximum temperature	34.4 C (93.9 F)	27 of 100 (Routine)
Wallowa	United States	Record high minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Colfax	United States	Record high minimum temperature	15.6 C (60.1 F)	27 of 100 (Routine)

Counts by Type and Timescale

591 records

Records set or tied on 28 May 1986 by type: Highest daily maximum 114, Lowest daily maximum 68, Highest daily minimum 201, Lowest daily minimum 49, Heaviest daily rainfall 159.

Records on 28 May 1986 by type
Record type	Records
Highest daily maximum	114
Lowest daily maximum	68
Highest daily minimum	201
Lowest daily minimum	49
Heaviest daily rainfall	159
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 May 1986 by timescale: all-time 0, monthly 42, daily 549.

How Much Records Were Beaten By

428 broken records

Margins by which the 428 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 92.8. Ties are not counted.

Top 20 by Significance

28 May 1986

Top 20 records on 28 May 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 May 1986	Pesaro, IT	daily rain	52.6 mm (2.1 in)	32.6 mm (1.3 in)	68 years	70 of 100 (Major)
28 May 1986	Tullahoma, US	daily rain	53.3 mm (2.1 in)	27.9 mm (1.1 in)	92 years	57 of 100 (Notable)
28 May 1986	Kipling 4 NNW, US	daily rain	95.8 mm (3.8 in)	71.7 mm (2.8 in)	37 years	56 of 100 (Notable)
28 May 1986	Lincolnton, US	daily rain	83.1 mm (3.3 in)	63.0 mm (2.5 in)	23 years	55 of 100 (Notable)
28 May 1986	Waynesboro, US	daily rain	59.7 mm (2.4 in)	24.1 mm (0.9 in)	92 years	53 of 100 (Notable)
28 May 1986	Naalehu 14, US	daily rain	49.3 mm (1.9 in)	24.9 mm (1.0 in)	32 years	52 of 100 (Notable)
28 May 1986	Tvingelshed, SE	monthly rain	43.3 mm (1.7 in)	16.3 mm (0.6 in)	0 years	50 of 100 (Notable)
28 May 1986	Ekimchan, RU	daily rain	28.4 mm (1.1 in)	15.2 mm (0.6 in)	43 years	45 of 100 (Notable)
28 May 1986	Lawrenceburg Filt Plt, US	daily rain	93.0 mm (3.7 in)	70.1 mm (2.8 in)	9 years	45 of 100 (Notable)
28 May 1986	Little Mtn, US	daily rain	56.4 mm (2.2 in)	23.9 mm (0.9 in)	53 years	44 of 100 (Notable)
28 May 1986	Livingston 2 NNE, US	daily rain	67.1 mm (2.6 in)	60.0 mm (2.4 in)	33 years	44 of 100 (Notable)
28 May 1986	Presa Ansaldo, MX	monthly rain	52.8 mm (2.1 in)	17.0 mm (0.7 in)	13 years	43 of 100 (Notable)
28 May 1986	Nitta Yuma, US	daily rain	72.6 mm (2.9 in)	55.1 mm (2.2 in)	7 years	43 of 100 (Notable)
28 May 1986	Virginia City, US	daily high min	17.8 C (64.0 F)	1.7 C (3.1 F)	96 years	42 of 100 (Notable)
28 May 1986	Panguitch, US	monthly high min	14.4 C (57.9 F)	2.2 C (4.0 F)	62 years	41 of 100 (Notable)
28 May 1986	San Francisco Tlalcilalcalpan, MX	daily rain	27.2 mm (1.1 in)	19.3 mm (0.8 in)	29 years	40 of 100 (Notable)
28 May 1986	St Joseph 3 N, US	daily rain	68.6 mm (2.7 in)	17.8 mm (0.7 in)	71 years	38 of 100 (Notable)
28 May 1986	Kalispell Glacier AP, US	daily high max	32.8 C (91.0 F)	1.7 C (3.1 F)	88 years	38 of 100 (Notable)
28 May 1986	Villaflores (Smn), MX	daily low min	11.7 C (53.1 F)	3.9 C (7.0 F)	48 years	37 of 100 (Notable)
28 May 1986	Elk City 1NE, US	monthly high max	32.8 C (91.0 F)	0.6 C (1.1 F)	67 years	37 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

1794 to 1986

Records set or tied on this calendar date in each year from 1794 to 1986. 1986 had 591 records.

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

Records on 05-28 in each year
Year	Records
1794	1
1797	1
1811	1
1824	1
1832	1
1836	5
1840	1
1841	1
1847	2
1848	1
1851	2
1857	1
1858	1
1863	1
1865	1
1868	4
1869	1
1876	1
1879	2
1880	2
1884	3
1885	2
1887	1
1888	3
1889	3
1890	3
1891	2
1892	9
1893	2
1894	9
1895	1
1896	5
1897	6
1898	1
1899	6
1900	4
1901	6
1902	12
1903	9
1904	6
1905	14
1906	31
1907	36
1908	26
1909	7
1910	18
1911	42
1912	19
1913	28
1914	58
1915	27
1916	24
1917	36
1918	43
1919	43
1920	33
1921	87
1922	80
1923	72
1924	109
1925	122
1926	143
1927	301
1928	150
1929	355
1930	131
1931	574
1932	171
1933	212
1934	537
1935	186
1936	337
1937	212
1938	285
1939	433
1940	217
1941	711
1942	279
1943	238
1944	330
1945	331
1946	413
1947	1,049
1948	333
1949	321
1950	276
1951	503
1952	314
1953	392
1954	382
1955	413
1956	456
1957	272
1958	792
1959	557
1960	431
1961	1,026
1962	859
1963	368
1964	394
1965	536
1966	284
1967	350
1968	610
1969	863
1970	310
1971	767
1972	575
1973	834
1974	585
1975	397
1976	914
1977	826
1978	802
1979	521
1980	808
1981	711
1982	1,204
1983	1,666
1984	1,357
1985	914
1986	591
1987	1,139
1988	806
1989	817
1990	1,024
1991	1,647
1992	1,610
1993	870
1994	981
1995	1,078
1996	1,438
1997	1,108
1998	1,043
1999	952
2000	1,229
2001	1,024
2002	612
2003	1,049
2004	875
2005	1,032
2006	1,566
2007	1,084
2008	902
2009	733
2010	937
2011	1,188
2012	1,237
2013	541
2014	781
2015	487
2016	625
2017	710
2018	1,348
2019	973
2020	875
2021	537
2022	476
2023	445
2024	907
2025	663
2026	1,053

Download the Data

Data for records on 1986-05-28: 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	404
20 to 40	17
40 to 60	2
60 to 80	4
80 to 100	1