Weather Records on 15 May 1988

643 weather records were set or tied worldwide on 15 May 1988. Highest significance: Tibooburra (Olive Downs), AU.

Key Facts for 15 May 1988

On 15 May 1988, 643 weather records were set or tied at long-record stations worldwide.
437 were record highs and 78 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 6 monthly and 636 daily.
Tibooburra (Olive Downs) set a daily record precipitation of 28.0 mm (1.1 in) on 15 May 1988.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 429 records.

Record Map

643 stations

643 station records on 15 May 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tibooburra (Olive Downs)	Australia	Record daily precipitation	28.0 mm (1.1 in)	62 of 100 (Major)
Cradock (Yednalue)	Australia	Record daily precipitation	28.0 mm (1.1 in)	42 of 100 (Notable)
Fazenda Monte Alegre	Brazil	Record daily precipitation	44.7 mm (1.8 in)	38 of 100 (Notable)
Carlinville	United States	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Hampton	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Sac City	United States	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
Albert Lea 3SE	United States	Record high maximum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
Coalville	United States	Record high maximum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
The Rock (Bullenbong)	Australia	Record daily precipitation	32.6 mm (1.3 in)	36 of 100 (Notable)
Rinconada	Mexico	Record low maximum temperature	22.8 C (73.0 F)	36 of 100 (Notable)
Minden	United States	Record high maximum temperature	33.9 C (93.0 F)	36 of 100 (Notable)
Guthrie Ctr	United States	Record high maximum temperature	33.9 C (93.0 F)	35 of 100 (Notable)
Katon-Karagaj	Kazakhstan	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
1 ENE Fairfield	United States	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Grinnell 3 SW	United States	Record high maximum temperature	32.8 C (91.0 F)	33 of 100 (Routine)
Augustine 2E	United States	Record high minimum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Jermentau	Kazakhstan	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Youngstown-Warren Rgnl AP	United States	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Tarkio	United States	Record high maximum temperature	33.3 C (91.9 F)	32 of 100 (Routine)
West Souburg	Netherlands	Record high minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Pedra Bela	Brazil	Record daily precipitation	41.3 mm (1.6 in)	30 of 100 (Routine)
Dimbokro	Cote D'Ivoire	Record daily precipitation	63.0 mm (2.5 in)	30 of 100 (Routine)
Venice	United States	Record low maximum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Franklin 2 NE	United States	Record daily precipitation	38.1 mm (1.5 in)	30 of 100 (Routine)
Parndana (Pioneer Bend)	Australia	Record daily precipitation	30.8 mm (1.2 in)	29 of 100 (Routine)
Beer Sheva	Israel	Record high maximum temperature	42.3 C (108.1 F)	29 of 100 (Routine)
Den Helder-1	Netherlands	Record high minimum temperature	14.0 C (57.2 F)	29 of 100 (Routine)
Capitan	United States	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Kewaunee	United States	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Paca-Ata	Kyrgyzstan	Record daily precipitation	25.2 mm (1.0 in)	28 of 100 (Routine)
Totatiche	Mexico	Record low minimum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Durango	United States	Record high maximum temperature	30.6 C (87.1 F)	28 of 100 (Routine)
Espanola	United States	Record high maximum temperature	32.8 C (91.0 F)	28 of 100 (Routine)
Maastricht	Netherlands	Record high minimum temperature	14.8 C (58.6 F)	27 of 100 (Routine)
Pasamonte	United States	Record high minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Beer Sheva	Israel	Record high minimum temperature	25.1 C (77.2 F)	26 of 100 (Routine)
Nueva Esperanza	Mexico	Record high minimum temperature	28.3 C (82.9 F)	26 of 100 (Routine)
Valkenburg	Netherlands	Record high minimum temperature	14.5 C (58.1 F)	26 of 100 (Routine)
Eindhoven	Netherlands	Record high minimum temperature	16.3 C (61.3 F)	26 of 100 (Routine)
Storm Lake	United States	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
Capitan	United States	Record high maximum temperature	30.6 C (87.1 F)	26 of 100 (Routine)
Dunn Ctr 1E	United States	Record high minimum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Jerusalem Central	Israel	Record high minimum temperature	26.5 C (79.7 F)	25 of 100 (Routine)
Monmouth	United States	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Britt 3E	United States	Record high maximum temperature	33.9 C (93.0 F)	25 of 100 (Routine)
Perry	United States	Record high maximum temperature	33.9 C (93.0 F)	25 of 100 (Routine)
Winnebago	United States	Record high maximum temperature	33.3 C (91.9 F)	25 of 100 (Routine)
Lordsburg 4 SE	United States	Record high maximum temperature	35.6 C (96.1 F)	25 of 100 (Routine)
Mabel Downs	Australia	Record daily precipitation	30.8 mm (1.2 in)	24 of 100 (Routine)
Walpole North Old	Australia	Record daily precipitation	50.4 mm (2.0 in)	24 of 100 (Routine)
Volkel	Netherlands	Record high minimum temperature	15.5 C (59.9 F)	24 of 100 (Routine)
De Bilt	Netherlands	Record high minimum temperature	14.6 C (58.3 F)	24 of 100 (Routine)
Ft Lewis	United States	Record high maximum temperature	26.1 C (79.0 F)	24 of 100 (Routine)
Estherville 4E	United States	Record high maximum temperature	33.3 C (91.9 F)	24 of 100 (Routine)
Alton 1 W	United States	Record high maximum temperature	35.6 C (96.1 F)	24 of 100 (Routine)
Carrizozo 1SW	United States	Record high maximum temperature	34.4 C (93.9 F)	24 of 100 (Routine)
Hope	United States	Record high maximum temperature	38.3 C (100.9 F)	24 of 100 (Routine)
Ganca	Azerbaijan	Record low minimum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Hilgenroth	Germany	Record high minimum temperature	13.6 C (56.5 F)	23 of 100 (Routine)
Greensboro	United States	Record high maximum temperature	33.9 C (93.0 F)	23 of 100 (Routine)

Counts by Type and Timescale

643 records

Records set or tied on 15 May 1988 by type: Highest daily maximum 286, Lowest daily maximum 32, Highest daily minimum 151, Lowest daily minimum 46, Heaviest daily rainfall 128.

Records on 15 May 1988 by type
Record type	Records
Highest daily maximum	286
Lowest daily maximum	32
Highest daily minimum	151
Lowest daily minimum	46
Heaviest daily rainfall	128
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 May 1988 by timescale: all-time 1, monthly 6, daily 636.

How Much Records Were Beaten By

460 broken records

Margins by which the 460 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 33.6. Ties are not counted.

Top 20 by Significance

15 May 1988

Top 20 records on 15 May 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 1988	Tibooburra (Olive Downs), AU	daily rain	28.0 mm (1.1 in)	28.0 mm (1.1 in)	90 years	62 of 100 (Major)
15 May 1988	Cradock (Yednalue), AU	daily rain	28.0 mm (1.1 in)	11.5 mm (0.5 in)	70 years	42 of 100 (Notable)
15 May 1988	Fazenda Monte Alegre, BR	daily rain	44.7 mm (1.8 in)	33.6 mm (1.3 in)	28 years	38 of 100 (Notable)
15 May 1988	Carlinville, US	daily high min	19.4 C (66.9 F)	0.5 C (0.9 F)	93 years	38 of 100 (Notable)
15 May 1988	Hampton, US	daily high max	32.8 C (91.0 F)	0.6 C (1.1 F)	93 years	38 of 100 (Notable)
15 May 1988	Sac City, US	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	93 years	37 of 100 (Notable)
15 May 1988	Albert Lea 3SE, US	daily high max	31.1 C (88.0 F)	0.5 C (0.9 F)	93 years	37 of 100 (Notable)
15 May 1988	Coalville, US	daily high max	28.3 C (82.9 F)	0.5 C (0.9 F)	93 years	37 of 100 (Notable)
15 May 1988	The Rock (Bullenbong), AU	daily rain	32.6 mm (1.3 in)	4.2 mm (0.17 in)	73 years	36 of 100 (Notable)
15 May 1988	Rinconada, MX	daily low max	22.8 C (73.0 F)	6.1 C (11.0 F)	36 years	36 of 100 (Notable)
15 May 1988	Minden, US	daily high max	33.9 C (93.0 F)	0.6 C (1.1 F)	88 years	36 of 100 (Notable)
15 May 1988	Guthrie Ctr, US	daily high max	33.9 C (93.0 F)	2.8 C (5.0 F)	70 years	35 of 100 (Notable)
15 May 1988	Katon-Karagaj, KZ	daily rain	30.0 mm (1.2 in)	7.9 mm (0.31 in)	49 years	34 of 100 (Routine)
15 May 1988	1 ENE Fairfield, US	daily high max	32.8 C (91.0 F)	1.1 C (2.0 F)	77 years	34 of 100 (Routine)
15 May 1988	Grinnell 3 SW, US	daily high max	32.8 C (91.0 F)	1.7 C (3.1 F)	70 years	33 of 100 (Routine)
15 May 1988	Augustine 2E, US	daily high min	12.8 C (55.0 F)	4.5 C (8.1 F)	54 years	33 of 100 (Routine)
15 May 1988	Jermentau, KZ	monthly rain	35.1 mm (1.4 in)	6.2 mm (0.24 in)	19 years	32 of 100 (Routine)
15 May 1988	Youngstown-Warren Rgnl AP, US	daily rain	32.0 mm (1.3 in)	12.4 mm (0.5 in)	46 years	32 of 100 (Routine)
15 May 1988	Tarkio, US	daily high max	33.3 C (91.9 F)	2.7 C (4.9 F)	70 years	32 of 100 (Routine)
15 May 1988	West Souburg, NL	daily high min	15.0 C (59.0 F)	1.8 C (3.2 F)	56 years	31 of 100 (Routine)

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

1820 to 1988

Records set or tied on this calendar date in each year from 1820 to 1988. 1988 had 643 records.

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

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 1988-05-15: 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 5	406
5 to 10	32
10 to 15	14
15 to 20	3
20 to 25	3
25 to 30	1
30 to 35	1