Weather Records on 28 May 2018

1,348 weather records were set or tied worldwide on 28 May 2018. Highest significance: Hill City Muni AP, US.

Key Facts for 28 May 2018

On 28 May 2018, 1,348 weather records were set or tied at long-record stations worldwide.
1,127 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 183 monthly and 1,165 daily.
Hill City Muni AP set a monthly record daily precipitation of 142.5 mm (5.6 in) on 28 May 2018.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 436 records.

Record Map

1,348 stations

1,348 station records on 28 May 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 May 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hill City Muni AP	United States	Record daily precipitation	142.5 mm (5.6 in)	75 of 100 (Major)
Ashland	United States	Record daily precipitation	140.0 mm (5.5 in)	70 of 100 (Major)
Sisian	Armenia	Record daily precipitation	99.1 mm (3.9 in)	66 of 100 (Major)
New Bern - ASOS	United States	Record daily precipitation	84.8 mm (3.3 in)	61 of 100 (Major)
Buffalo	United States	Record daily precipitation	38.6 mm (1.5 in)	60 of 100 (Major)
Lille-Lesquin	France	Record daily precipitation	34.9 mm (1.4 in)	58 of 100 (Notable)
Leiter 9N	United States	Record daily precipitation	46.7 mm (1.8 in)	57 of 100 (Notable)
Washta	United States	Record high maximum temperature	37.8 C (100.0 F)	54 of 100 (Notable)
Clearmont 5 SW	United States	Record daily precipitation	51.6 mm (2.0 in)	54 of 100 (Notable)
Caledonia	United States	Record high maximum temperature	33.9 C (93.0 F)	53 of 100 (Notable)
Sucker Creek	United States	Record daily precipitation	53.3 mm (2.1 in)	53 of 100 (Notable)
Moultrie 2 ESE	United States	Record daily precipitation	77.2 mm (3.0 in)	52 of 100 (Notable)
Chilton	United States	Record high maximum temperature	35.0 C (95.0 F)	52 of 100 (Notable)
Burgess Junction	United States	Record daily precipitation	48.3 mm (1.9 in)	52 of 100 (Notable)
Streator 2SE	United States	Record high maximum temperature	37.2 C (99.0 F)	51 of 100 (Notable)
Allerton	United States	Record high maximum temperature	35.0 C (95.0 F)	51 of 100 (Notable)
Allerton	United States	Record high minimum temperature	21.1 C (70.0 F)	51 of 100 (Notable)
Elkader 6 SSW	United States	Record high maximum temperature	35.0 C (95.0 F)	51 of 100 (Notable)
Mansfield 5 W	United States	Record high minimum temperature	21.7 C (71.1 F)	51 of 100 (Notable)
Bald Mtn.	United States	Record daily precipitation	45.7 mm (1.8 in)	51 of 100 (Notable)
Rockville	United States	Record high maximum temperature	36.1 C (97.0 F)	50 of 100 (Notable)
Crestview FAA/AP	United States	Record daily precipitation	107.7 mm (4.2 in)	50 of 100 (Notable)
Brooklet 1 W	United States	Record daily precipitation	77.0 mm (3.0 in)	48 of 100 (Notable)
Malad City	United States	Record daily precipitation	40.1 mm (1.6 in)	48 of 100 (Notable)
Indianola 1SW	United States	Record high maximum temperature	36.7 C (98.1 F)	47 of 100 (Notable)
Healy	United States	Record high minimum temperature	21.7 C (71.1 F)	47 of 100 (Notable)
Broadus	United States	Record daily precipitation	43.2 mm (1.7 in)	47 of 100 (Notable)
Grinnell 3 SW	United States	Record high maximum temperature	35.6 C (96.1 F)	46 of 100 (Notable)
Tracy	United States	Record high minimum temperature	23.3 C (73.9 F)	46 of 100 (Notable)
Bethany	United States	Record high maximum temperature	37.2 C (99.0 F)	46 of 100 (Notable)
Plymouth Wwtp	United States	Record high maximum temperature	34.4 C (93.9 F)	46 of 100 (Notable)
Newcastle	United States	Record daily precipitation	38.1 mm (1.5 in)	46 of 100 (Notable)
Schleswig	Germany	Record daily precipitation	31.2 mm (1.2 in)	45 of 100 (Notable)
Pitea	Sweden	Record high maximum temperature	28.1 C (82.6 F)	45 of 100 (Notable)
Jokkmokk	Sweden	Record high maximum temperature	27.3 C (81.1 F)	45 of 100 (Notable)
Atlantic 1 NE	United States	Record high maximum temperature	37.8 C (100.0 F)	45 of 100 (Notable)
Belle Plaine	United States	Record high maximum temperature	36.1 C (97.0 F)	45 of 100 (Notable)
Lamoni	United States	Record high maximum temperature	37.2 C (99.0 F)	45 of 100 (Notable)
Primghar	United States	Record high maximum temperature	37.2 C (99.0 F)	45 of 100 (Notable)
Neosho	United States	Record high maximum temperature	35.6 C (96.1 F)	45 of 100 (Notable)
Princeton	United States	Record daily precipitation	43.9 mm (1.7 in)	45 of 100 (Notable)
Jarud Qi	China	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Centerville	United States	Record high maximum temperature	36.1 C (97.0 F)	44 of 100 (Notable)
Grundy Ctr	United States	Record high minimum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Hampton	United States	Record high maximum temperature	36.7 C (98.1 F)	44 of 100 (Notable)
Iowa Falls	United States	Record high maximum temperature	36.7 C (98.1 F)	44 of 100 (Notable)
Knoxville	United States	Record high maximum temperature	36.1 C (97.0 F)	44 of 100 (Notable)
Marshalltown	United States	Record high maximum temperature	36.7 C (98.1 F)	44 of 100 (Notable)
Mason City	United States	Record high maximum temperature	36.1 C (97.0 F)	44 of 100 (Notable)
Williamsburg 1E	United States	Record high maximum temperature	36.7 C (98.1 F)	44 of 100 (Notable)
Oregon	United States	Record high maximum temperature	37.2 C (99.0 F)	44 of 100 (Notable)
Stratford	United States	Record high minimum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Bone Springs Div	United States	Record daily precipitation	48.3 mm (1.9 in)	44 of 100 (Notable)
Natural Brg	United States	Record low minimum temperature	1.1 C (34.0 F)	43 of 100 (Notable)
Casey	United States	Record high maximum temperature	34.4 C (93.9 F)	43 of 100 (Notable)
Effingham 3SW	United States	Record high maximum temperature	36.1 C (97.0 F)	43 of 100 (Notable)
Hoopeston	United States	Record high maximum temperature	36.1 C (97.0 F)	43 of 100 (Notable)
Algona	United States	Record high maximum temperature	37.8 C (100.0 F)	43 of 100 (Notable)
Audubon	United States	Record high maximum temperature	36.1 C (97.0 F)	43 of 100 (Notable)
Greenfield	United States	Record high maximum temperature	36.7 C (98.1 F)	43 of 100 (Notable)

Counts by Type and Timescale

1,348 records

Records set or tied on 28 May 2018 by type: Highest daily maximum 633, Lowest daily maximum 43, Highest daily minimum 494, Lowest daily minimum 24, Heaviest daily rainfall 153, Heaviest daily snowfall 1.

Records on 28 May 2018 by type
Record type	Records
Highest daily maximum	633
Lowest daily maximum	43
Highest daily minimum	494
Lowest daily minimum	24
Heaviest daily rainfall	153
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 28 May 2018 by timescale: all-time 0, monthly 183, daily 1,165.

How Much Records Were Beaten By

1,040 broken records

Margins by which the 1,040 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.6. Ties are not counted.

Top 20 by Significance

28 May 2018

Top 20 records on 28 May 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 May 2018	Hill City Muni AP, US	monthly rain	142.5 mm (5.6 in)	53.9 mm (2.1 in)	50 years	75 of 100 (Major)
28 May 2018	Ashland, US	daily rain	140.0 mm (5.5 in)	101.6 mm (4.0 in)	68 years	70 of 100 (Major)
28 May 2018	Sisian, AM	daily rain	99.1 mm (3.9 in)	73.3 mm (2.9 in)	61 years	66 of 100 (Major)
28 May 2018	New Bern - ASOS, US	daily rain	84.8 mm (3.3 in)	53.0 mm (2.1 in)	57 years	61 of 100 (Major)
28 May 2018	Buffalo, US	daily rain	38.6 mm (1.5 in)	20.1 mm (0.8 in)	93 years	60 of 100 (Major)
28 May 2018	Lille-Lesquin, FR	daily rain	34.9 mm (1.4 in)	17.0 mm (0.7 in)	61 years	58 of 100 (Notable)
28 May 2018	Leiter 9N, US	daily rain	46.7 mm (1.8 in)	32.2 mm (1.3 in)	48 years	57 of 100 (Notable)
28 May 2018	Washta, US	monthly high max	37.8 C (100.0 F)	2.8 C (5.0 F)	109 years	54 of 100 (Notable)
28 May 2018	Clearmont 5 SW, US	daily rain	51.6 mm (2.0 in)	20.9 mm (0.8 in)	60 years	54 of 100 (Notable)
28 May 2018	Caledonia, US	monthly high max	33.9 C (93.0 F)	1.7 C (3.1 F)	117 years	53 of 100 (Notable)
28 May 2018	Sucker Creek, US	daily rain	53.3 mm (2.1 in)	40.6 mm (1.6 in)	31 years	53 of 100 (Notable)
28 May 2018	Moultrie 2 ESE, US	daily rain	77.2 mm (3.0 in)	40.1 mm (1.6 in)	49 years	52 of 100 (Notable)
28 May 2018	Chilton, US	monthly high max	35.0 C (95.0 F)	1.7 C (3.1 F)	123 years	52 of 100 (Notable)
28 May 2018	Burgess Junction, US	daily rain	48.3 mm (1.9 in)	38.1 mm (1.5 in)	31 years	52 of 100 (Notable)
28 May 2018	Streator 2SE, US	monthly high max	37.2 C (99.0 F)	1.1 C (2.0 F)	107 years	51 of 100 (Notable)
28 May 2018	Allerton, US	monthly high max	35.0 C (95.0 F)	0.6 C (1.1 F)	103 years	51 of 100 (Notable)
28 May 2018	Allerton, US	monthly high min	21.1 C (70.0 F)	0.5 C (0.9 F)	104 years	51 of 100 (Notable)
28 May 2018	Elkader 6 SSW, US	monthly high max	35.0 C (95.0 F)	0.6 C (1.1 F)	123 years	51 of 100 (Notable)
28 May 2018	Mansfield 5 W, US	monthly high min	21.7 C (71.1 F)	0.6 C (1.1 F)	100 years	51 of 100 (Notable)
28 May 2018	Bald Mtn., US	daily rain	45.7 mm (1.8 in)	27.9 mm (1.1 in)	36 years	51 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 2018

Records set or tied on this calendar date in each year from 1794 to 2018. 2018 had 1,348 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 2018-05-28: 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	1,016
20 to 40	15
40 to 60	6
60 to 80	2
80 to 100	0
100 to 120	1