Weather Records on 28 May 2015

487 weather records were set or tied worldwide on 28 May 2015. Highest significance: Simferopol, UA.

Key Facts for 28 May 2015

On 28 May 2015, 487 weather records were set or tied at long-record stations worldwide.
288 were record highs and 52 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 462 daily.
Simferopol set a monthly record daily precipitation of 96.0 mm (3.8 in) on 28 May 2015.
Across 161 earlier years (1794 to 2026) the same calendar date averaged 442 records.

Record Map

487 stations

487 station records on 28 May 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 May 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Simferopol	Ukraine	Record daily precipitation	96.0 mm (3.8 in)	79 of 100 (Major)
Mundabullangana	Australia	Record daily precipitation	134.0 mm (5.3 in)	65 of 100 (Major)
Indee	Australia	Record daily precipitation	85.2 mm (3.4 in)	62 of 100 (Major)
Meade	United States	Record daily precipitation	84.3 mm (3.3 in)	62 of 100 (Major)
Segeza	Russia	Record daily precipitation	29.0 mm (1.1 in)	58 of 100 (Notable)
Chornomorske	Ukraine	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Sublette 7WSW	United States	Record daily precipitation	89.4 mm (3.5 in)	54 of 100 (Notable)
Lubbock	United States	Record daily precipitation	81.5 mm (3.2 in)	54 of 100 (Notable)
Warren 3 S	United States	Record daily precipitation	41.9 mm (1.6 in)	52 of 100 (Notable)
Kherson	Ukraine	Record daily precipitation	34.0 mm (1.3 in)	50 of 100 (Notable)
Kalvesta 1 W	United States	Record daily precipitation	137.7 mm (5.4 in)	50 of 100 (Notable)
Kahului AP	United States	Record daily precipitation	26.9 mm (1.1 in)	49 of 100 (Notable)
Yugarenok	Russia	Record daily precipitation	30.3 mm (1.2 in)	47 of 100 (Notable)
Pyramid Station	Australia	Record daily precipitation	35.2 mm (1.4 in)	46 of 100 (Notable)
Greensboro	United States	Record daily precipitation	51.6 mm (2.0 in)	45 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low minimum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Arhangelsk	Russia	Record high maximum temperature	28.8 C (83.8 F)	43 of 100 (Notable)
Portland	United States	Record daily precipitation	73.9 mm (2.9 in)	43 of 100 (Notable)
Lawrence	United States	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Marillana	Australia	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Hyannis	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Thorhult	United States	Record daily precipitation	64.0 mm (2.5 in)	41 of 100 (Notable)
Zonguldak	Turkey	Record daily precipitation	41.9 mm (1.6 in)	40 of 100 (Notable)
Leakesville 6 WSW	United States	Record daily precipitation	59.9 mm (2.4 in)	40 of 100 (Notable)
Council Grove Lake	United States	Record daily precipitation	44.7 mm (1.8 in)	39 of 100 (Notable)
Yerington	United States	Record high minimum temperature	15.0 C (59.0 F)	39 of 100 (Notable)
Cleveland	United States	Record high minimum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Notla 3 SE	United States	Record daily precipitation	84.6 mm (3.3 in)	39 of 100 (Notable)
Big Bar 4 E	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Dillinger	United States	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Portland Jetport	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Arecibo Obsy	Puerto Rico [United States]	Record low maximum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Thorsby Exp STN	United States	Record daily precipitation	58.4 mm (2.3 in)	35 of 100 (Notable)
Dushanbe	Tajikistan	Record high maximum temperature	36.5 C (97.7 F)	34 of 100 (Routine)
Opelika	United States	Record daily precipitation	61.0 mm (2.4 in)	34 of 100 (Routine)
Pinkham Notch	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Grand Marais	United States	Record high maximum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Ipswich	United States	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Bonney Downs	Australia	Record daily precipitation	30.0 mm (1.2 in)	31 of 100 (Routine)
Maradi	Niger	Record high maximum temperature	43.5 C (110.3 F)	31 of 100 (Routine)
Urjupinsk	Russia	Record high minimum temperature	20.4 C (68.7 F)	31 of 100 (Routine)
Daytona Beach	United States	Record high minimum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Nantucket Mem AP	United States	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Gauhati	India	Record low minimum temperature	21.2 C (70.2 F)	29 of 100 (Routine)
Big Bar 4 E	United States	Record high maximum temperature	40.0 C (104.0 F)	28 of 100 (Routine)
Monteagle	United States	Record daily precipitation	48.3 mm (1.9 in)	28 of 100 (Routine)
New Plymouth AWS	New Zealand	Record low minimum temperature	1.3 C (34.3 F)	27 of 100 (Routine)
Grand Lake Stream	United States	Record high minimum temperature	15.0 C (59.0 F)	27 of 100 (Routine)
H4	Jordan	Record high minimum temperature	24.6 C (76.3 F)	26 of 100 (Routine)
Macau Intl	Macau S.A.R	Record high minimum temperature	27.7 C (81.9 F)	26 of 100 (Routine)
Great Bend 3WNW	United States	Record daily precipitation	42.7 mm (1.7 in)	26 of 100 (Routine)
Thibodaux 4 SE	United States	Record daily precipitation	53.8 mm (2.1 in)	26 of 100 (Routine)
Canoe Brook	United States	Record high minimum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
S Mtn	United States	Record daily precipitation	31.8 mm (1.3 in)	26 of 100 (Routine)
Strawn 8 NNE	United States	Record daily precipitation	50.8 mm (2.0 in)	26 of 100 (Routine)
Kingsville Naas	United States	Record high minimum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Seattle Boeing Fld	United States	Record high maximum temperature	28.3 C (82.9 F)	26 of 100 (Routine)
Shaoguan	China	Record high minimum temperature	26.8 C (80.2 F)	25 of 100 (Routine)
Maine-Soroa	Niger	Record high maximum temperature	44.6 C (112.3 F)	25 of 100 (Routine)
Bolshoj Ushkanij Ostrov	Russia	Record high minimum temperature	4.7 C (40.5 F)	25 of 100 (Routine)

Counts by Type and Timescale

487 records

Records set or tied on 28 May 2015 by type: Highest daily maximum 114, Lowest daily maximum 19, Highest daily minimum 174, Lowest daily minimum 33, Heaviest daily rainfall 144, Deepest snow cover 3.

Records on 28 May 2015 by type
Record type	Records
Highest daily maximum	114
Lowest daily maximum	19
Highest daily minimum	174
Lowest daily minimum	33
Heaviest daily rainfall	144
Heaviest daily snowfall	0
Deepest snow cover	3

Records on 28 May 2015 by timescale: all-time 1, monthly 24, daily 462.

How Much Records Were Beaten By

395 broken records

Margins by which the 395 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 290.0. Ties are not counted.

Top 20 by Significance

28 May 2015

Top 20 records on 28 May 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 May 2015	Simferopol, UA	monthly rain	96.0 mm (3.8 in)	47.0 mm (1.9 in)	64 years	79 of 100 (Major)
28 May 2015	Mundabullangana, AU	daily rain	134.0 mm (5.3 in)	129.4 mm (5.1 in)	50 years	65 of 100 (Major)
28 May 2015	Indee, AU	daily rain	85.2 mm (3.4 in)	61.1 mm (2.4 in)	54 years	62 of 100 (Major)
28 May 2015	Meade, US	daily rain	84.3 mm (3.3 in)	65.8 mm (2.6 in)	42 years	62 of 100 (Major)
28 May 2015	Segeza, RU	daily rain	29.0 mm (1.1 in)	19.1 mm (0.8 in)	40 years	58 of 100 (Notable)
28 May 2015	Chornomorske, UA	daily rain	33.0 mm (1.3 in)	19.4 mm (0.8 in)	41 years	54 of 100 (Notable)
28 May 2015	Sublette 7WSW, US	daily rain	89.4 mm (3.5 in)	43.9 mm (1.7 in)	34 years	54 of 100 (Notable)
28 May 2015	Lubbock, US	daily rain	81.5 mm (3.2 in)	56.4 mm (2.2 in)	26 years	54 of 100 (Notable)
28 May 2015	Warren 3 S, US	daily rain	41.9 mm (1.6 in)	11.4 mm (0.4 in)	97 years	52 of 100 (Notable)
28 May 2015	Kherson, UA	daily rain	34.0 mm (1.3 in)	8.2 mm (0.32 in)	116 years	50 of 100 (Notable)
28 May 2015	Kalvesta 1 W, US	monthly rain	137.7 mm (5.4 in)	30.5 mm (1.2 in)	43 years	50 of 100 (Notable)
28 May 2015	Kahului AP, US	daily rain	26.9 mm (1.1 in)	7.1 mm (0.28 in)	100 years	49 of 100 (Notable)
28 May 2015	Yugarenok, RU	daily rain	30.3 mm (1.2 in)	24.3 mm (1.0 in)	0 years	47 of 100 (Notable)
28 May 2015	Pyramid Station, AU	daily rain	35.2 mm (1.4 in)	35.2 mm (1.4 in)	64 years	46 of 100 (Notable)
28 May 2015	Greensboro, US	daily rain	51.6 mm (2.0 in)	8.9 mm (0.35 in)	118 years	45 of 100 (Notable)
28 May 2015	Ponce 4 E, PR	daily low min	17.2 C (63.0 F)	0.6 C (1.1 F)	113 years	43 of 100 (Notable)
28 May 2015	Arhangelsk, RU	daily high max	28.8 C (83.8 F)	3.3 C (5.9 F)	93 years	43 of 100 (Notable)
28 May 2015	Portland, US	daily rain	73.9 mm (2.9 in)	6.3 mm (0.25 in)	100 years	43 of 100 (Notable)
28 May 2015	Lawrence, US	daily high min	19.4 C (66.9 F)	1.1 C (2.0 F)	100 years	42 of 100 (Notable)
28 May 2015	Marillana, AU	daily rain	33.0 mm (1.3 in)	30.0 mm (1.2 in)	16 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 2015

Records set or tied on this calendar date in each year from 1794 to 2015. 2015 had 487 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 2015-05-28: 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 50	388
50 to 100	3
100 to 150	3
150 to 200	0
200 to 250	0
250 to 300	1