Weather Records on 28 May 1991

1,647 weather records were set or tied worldwide on 28 May 1991. Highest significance: Pierre Rgnl AP, US.

Key Facts for 28 May 1991

On 28 May 1991, 1,647 weather records were set or tied at long-record stations worldwide.
1,264 were record highs and 199 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 181 monthly and 1,462 daily.
Pierre Rgnl AP set a daily record precipitation of 61.7 mm (2.4 in) on 28 May 1991.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 434 records.

Record Map

1,647 stations

1,647 station records on 28 May 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 May 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pierre Rgnl AP	United States	Record daily precipitation	61.7 mm (2.4 in)	63 of 100 (Major)
Yakutat AP	United States	Record daily precipitation	118.1 mm (4.6 in)	56 of 100 (Notable)
Milesville 5 NE	United States	Record daily precipitation	47.0 mm (1.9 in)	55 of 100 (Notable)
Bluff Lake	United States	Record daily precipitation	99.6 mm (3.9 in)	52 of 100 (Notable)
Oconomowoc Wwtp	United States	Record high minimum temperature	22.8 C (73.0 F)	50 of 100 (Notable)
Newark Ag Farm	United States	Record high minimum temperature	23.9 C (75.0 F)	49 of 100 (Notable)
Cartersville	United States	Record high minimum temperature	22.2 C (72.0 F)	49 of 100 (Notable)
Audubon	United States	Record high minimum temperature	22.8 C (73.0 F)	48 of 100 (Notable)
Mixquiahuala (Smn)	Mexico	Record daily precipitation	56.9 mm (2.2 in)	47 of 100 (Notable)
Selinsgrove 2 S	United States	Record high minimum temperature	21.1 C (70.0 F)	46 of 100 (Notable)
Elba	United States	Record daily precipitation	44.5 mm (1.8 in)	45 of 100 (Notable)
Hagerstown 1E	United States	Record high minimum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Renovo	United States	Record high minimum temperature	20.0 C (68.0 F)	45 of 100 (Notable)
Galva	United States	Record high minimum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Trang	Thailand	Record daily precipitation	95.0 mm (3.7 in)	43 of 100 (Notable)
Rogersville 1 NE	United States	Record high minimum temperature	21.7 C (71.1 F)	43 of 100 (Notable)
Ashland	United States	Record high minimum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Ashton 1N	United States	Record low minimum temperature	-4.4 C (24.1 F)	42 of 100 (Notable)
Roxboro 7 ESE	United States	Record high minimum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Greenville	United States	Record daily precipitation	61.7 mm (2.4 in)	41 of 100 (Notable)
Covington	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Rome	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Ft Madison	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Greenfield	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Horton	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Paola	United States	Record high minimum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Keeroongooloo	Australia	Record daily precipitation	29.0 mm (1.1 in)	40 of 100 (Notable)
Charles City	United States	Record high minimum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Indianola 1SW	United States	Record high minimum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Keosauqua	United States	Record high maximum temperature	33.9 C (93.0 F)	40 of 100 (Notable)
Harrison	United States	Record daily precipitation	46.5 mm (1.8 in)	40 of 100 (Notable)
Warsaw 2 NW	United States	Record high minimum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Atlantic City Marina	United States	Record high minimum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Gardabani	Georgia	Record daily precipitation	27.4 mm (1.1 in)	39 of 100 (Notable)
Elberton 2 N	United States	Record high minimum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Monmouth	United States	Record high maximum temperature	33.9 C (93.0 F)	39 of 100 (Notable)
Iowa City	United States	Record high maximum temperature	33.9 C (93.0 F)	39 of 100 (Notable)
Abilene	United States	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Beloit	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
New Bedford Coop	United States	Record high maximum temperature	33.3 C (91.9 F)	39 of 100 (Notable)
Petersham 3 N	United States	Record daily precipitation	40.9 mm (1.6 in)	39 of 100 (Notable)
Salisbury	United States	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Siler City 2 N	United States	Record high minimum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Clemson UNIV	United States	Record high minimum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Darlington	United States	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Jefferson	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Washington	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
College Park	United States	Record high maximum temperature	39.4 C (102.9 F)	38 of 100 (Notable)
Sussex 1 NW	United States	Record high minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Concord	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Kingston	United States	Record high minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Enosburg Falls	United States	Record high minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Aberdeen Phillips Fld	United States	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Charleston	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Guthrie Ctr	United States	Record high minimum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Logan 1 WNW	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Carrollton	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Canoe Brook	United States	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Pemberton	United States	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Toms River	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,647 records

Records set or tied on 28 May 1991 by type: Highest daily maximum 330, Lowest daily maximum 80, Highest daily minimum 934, Lowest daily minimum 119, Heaviest daily rainfall 182, Heaviest daily snowfall 2.

Records on 28 May 1991 by type
Record type	Records
Highest daily maximum	330
Lowest daily maximum	80
Highest daily minimum	934
Lowest daily minimum	119
Heaviest daily rainfall	182
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 28 May 1991 by timescale: all-time 4, monthly 181, daily 1,462.

How Much Records Were Beaten By

1,201 broken records

Margins by which the 1,201 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.5. Ties are not counted.

Top 20 by Significance

28 May 1991

Top 20 records on 28 May 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 May 1991	Pierre Rgnl AP, US	daily rain	61.7 mm (2.4 in)	33.3 mm (1.3 in)	64 years	63 of 100 (Major)
28 May 1991	Yakutat AP, US	monthly rain	118.1 mm (4.6 in)	31.5 mm (1.2 in)	63 years	56 of 100 (Notable)
28 May 1991	Milesville 5 NE, US	daily rain	47.0 mm (1.9 in)	31.8 mm (1.3 in)	76 years	55 of 100 (Notable)
28 May 1991	Bluff Lake, US	daily rain	99.6 mm (3.9 in)	64.5 mm (2.5 in)	25 years	52 of 100 (Notable)
28 May 1991	Oconomowoc Wwtp, US	monthly high min	22.8 C (73.0 F)	1.7 C (3.1 F)	95 years	50 of 100 (Notable)
28 May 1991	Newark Ag Farm, US	monthly high min	23.9 C (75.0 F)	1.1 C (2.0 F)	95 years	49 of 100 (Notable)
28 May 1991	Cartersville, US	monthly high min	22.2 C (72.0 F)	1.1 C (2.0 F)	92 years	49 of 100 (Notable)
28 May 1991	Audubon, US	monthly high min	22.8 C (73.0 F)	0.6 C (1.1 F)	95 years	48 of 100 (Notable)
28 May 1991	Mixquiahuala (Smn), MX	daily rain	56.9 mm (2.2 in)	46.2 mm (1.8 in)	12 years	47 of 100 (Notable)
28 May 1991	Selinsgrove 2 S, US	monthly high min	21.1 C (70.0 F)	0.5 C (0.9 F)	89 years	46 of 100 (Notable)
28 May 1991	Elba, US	daily rain	44.5 mm (1.8 in)	18.8 mm (0.7 in)	91 years	45 of 100 (Notable)
28 May 1991	Hagerstown 1E, US	monthly high min	21.7 C (71.1 F)	1.1 C (2.0 F)	80 years	45 of 100 (Notable)
28 May 1991	Renovo, US	daily high min	20.0 C (68.0 F)	4.4 C (7.9 F)	91 years	45 of 100 (Notable)
28 May 1991	Galva, US	monthly high min	22.8 C (73.0 F)	1.1 C (2.0 F)	77 years	44 of 100 (Notable)
28 May 1991	Trang, TH	daily rain	95.0 mm (3.7 in)	61.5 mm (2.4 in)	8 years	43 of 100 (Notable)
28 May 1991	Rogersville 1 NE, US	daily high min	21.7 C (71.1 F)	2.8 C (5.0 F)	94 years	43 of 100 (Notable)
28 May 1991	Ashland, US	monthly high min	22.8 C (73.0 F)	0.6 C (1.1 F)	76 years	43 of 100 (Notable)
28 May 1991	Ashton 1N, US	daily low min	-4.4 C (24.1 F)	2.2 C (4.0 F)	90 years	42 of 100 (Notable)
28 May 1991	Roxboro 7 ESE, US	daily high min	21.7 C (71.1 F)	1.7 C (3.1 F)	97 years	42 of 100 (Notable)
28 May 1991	Greenville, US	daily rain	61.7 mm (2.4 in)	18.5 mm (0.7 in)	68 years	41 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 1991

Records set or tied on this calendar date in each year from 1794 to 1991. 1991 had 1,647 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 1991-05-28: 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 10	1,143
10 to 20	39
20 to 30	12
30 to 40	4
40 to 50	1
50 to 60	0
60 to 70	2