Weather Records on 18 August 1988

1,351 weather records were set or tied worldwide on 18 August 1988. Highest significance: Feodosiia, UA.

Key Facts for 18 August 1988

On 18 August 1988, 1,351 weather records were set or tied at long-record stations worldwide.
909 were record highs and 170 were record lows, counting maximum and minimum temperature.
By timescale, 25 were all-time records, 76 monthly and 1,250 daily.
Feodosiia set a daily record precipitation of 44.8 mm (1.8 in) on 18 August 1988.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 436 records.

Record Map

1,351 stations

1,351 station records on 18 August 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Feodosiia	Ukraine	Record daily precipitation	44.8 mm (1.8 in)	62 of 100 (Major)
Micurinsk	Russia	Record daily precipitation	31.0 mm (1.2 in)	59 of 100 (Notable)
Plymouth Wwtp	United States	Record daily precipitation	81.0 mm (3.2 in)	58 of 100 (Notable)
Amvrosiivka	Ukraine	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Chatsbury (Maryland)	Australia	Record daily precipitation	85.0 mm (3.3 in)	56 of 100 (Notable)
Cuautla (Smn)	Mexico	Record daily precipitation	120.9 mm (4.8 in)	54 of 100 (Notable)
Amite	United States	Record daily precipitation	85.6 mm (3.4 in)	52 of 100 (Notable)
La Cruz	Mexico	Record daily precipitation	59.9 mm (2.4 in)	48 of 100 (Notable)
Lenoir	United States	Record high maximum temperature	40.0 C (104.0 F)	48 of 100 (Notable)
Williamson	United States	Record high maximum temperature	41.7 C (107.1 F)	48 of 100 (Notable)
Kanalohuluhulu 1075	United States	Record low maximum temperature	13.3 C (55.9 F)	47 of 100 (Notable)
Marshall	United States	Record high maximum temperature	36.7 C (98.1 F)	46 of 100 (Notable)
Spencer	United States	Record high maximum temperature	38.3 C (100.9 F)	46 of 100 (Notable)
Kursk	Russia	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Jeanerette 5 NW	United States	Record daily precipitation	79.2 mm (3.1 in)	45 of 100 (Notable)
Jefferson 2 E	United States	Record high maximum temperature	33.9 C (93.0 F)	45 of 100 (Notable)
Winthrop UNIV	United States	Record high maximum temperature	40.0 C (104.0 F)	45 of 100 (Notable)
Vevay	United States	Record high maximum temperature	38.9 C (102.0 F)	43 of 100 (Notable)
Chapel Hill 2 W	United States	Record high maximum temperature	40.0 C (104.0 F)	43 of 100 (Notable)
Mondovi	United States	Record high minimum temperature	27.8 C (82.0 F)	42 of 100 (Notable)
Prentice #2	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Magiscatzin (Dge)	Mexico	Record daily precipitation	54.4 mm (2.1 in)	41 of 100 (Notable)
Murray	United States	Record daily precipitation	54.6 mm (2.1 in)	41 of 100 (Notable)
Cambridge Water Trmt P	United States	Record high minimum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Cambridge City 3 N	United States	Record high maximum temperature	36.1 C (97.0 F)	40 of 100 (Notable)
Tarboro 1 S	United States	Record high maximum temperature	40.6 C (105.1 F)	40 of 100 (Notable)
Presa Venustiano Carranza	Mexico	Record daily precipitation	67.3 mm (2.6 in)	39 of 100 (Notable)
Grand Ledge 1 NW	United States	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
Grand Meadow	United States	Record high maximum temperature	37.8 C (100.0 F)	39 of 100 (Notable)
Statesville 2 NNE	United States	Record high maximum temperature	41.1 C (106.0 F)	39 of 100 (Notable)
Van Wert 1 S	United States	Record high maximum temperature	36.7 C (98.1 F)	39 of 100 (Notable)
Encinal	United States	Record high minimum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Romney 1 SW	United States	Record high maximum temperature	39.4 C (102.9 F)	39 of 100 (Notable)
Sheboygan	United States	Record daily precipitation	63.0 mm (2.5 in)	39 of 100 (Notable)
Lethebrook	Australia	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Rinconada	Mexico	Record low minimum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Greenville 2 NNE	United States	Record daily precipitation	56.4 mm (2.2 in)	38 of 100 (Notable)
Williamston 3NE	United States	Record daily precipitation	36.8 mm (1.4 in)	38 of 100 (Notable)
Banner Elk	United States	Record high maximum temperature	33.3 C (91.9 F)	38 of 100 (Notable)
Clayton Wtp	United States	Record high maximum temperature	41.7 C (107.1 F)	38 of 100 (Notable)
Mt Airy 2 W	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Salisbury	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Staunton Wtp	United States	Record high maximum temperature	37.8 C (100.0 F)	38 of 100 (Notable)
Goldsboro 4 SE	United States	Record high maximum temperature	40.0 C (104.0 F)	38 of 100 (Notable)
Presa Colorines (Cfe)	Mexico	Record daily precipitation	63.5 mm (2.5 in)	37 of 100 (Notable)
Frederick Police Brks	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Chippewa Lake	United States	Record high maximum temperature	37.2 C (99.0 F)	37 of 100 (Notable)
Hiram	United States	Record high maximum temperature	36.1 C (97.0 F)	37 of 100 (Notable)
Oberlin	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record high maximum temperature	40.0 C (104.0 F)	37 of 100 (Notable)
Waverly	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Rogersville 1 NE	United States	Record high maximum temperature	36.7 C (98.1 F)	37 of 100 (Notable)
Charlottesville 2W	United States	Record high maximum temperature	39.4 C (102.9 F)	37 of 100 (Notable)
Hopewell	United States	Record high maximum temperature	38.9 C (102.0 F)	37 of 100 (Notable)
Glenville	United States	Record high maximum temperature	38.3 C (100.9 F)	37 of 100 (Notable)
Chilton	United States	Record daily precipitation	26.7 mm (1.1 in)	37 of 100 (Notable)
Greensboro AP	United States	Record high maximum temperature	39.4 C (102.9 F)	37 of 100 (Notable)
Imeny_T.G.Shevchenko	Ukraine	Record daily precipitation	26.3 mm (1.0 in)	36 of 100 (Notable)
Nashville 1 E	United States	Record high maximum temperature	38.9 C (102.0 F)	36 of 100 (Notable)
Bellevue L/D 12	United States	Record high maximum temperature	39.4 C (102.9 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,351 records

Records set or tied on 18 August 1988 by type: Highest daily maximum 546, Lowest daily maximum 113, Highest daily minimum 363, Lowest daily minimum 57, Heaviest daily rainfall 272.

Records on 18 August 1988 by type
Record type	Records
Highest daily maximum	546
Lowest daily maximum	113
Highest daily minimum	363
Lowest daily minimum	57
Heaviest daily rainfall	272
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1988 by timescale: all-time 25, monthly 76, daily 1,250.

How Much Records Were Beaten By

1,006 broken records

Margins by which the 1,006 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 65.3. Ties are not counted.

Top 20 by Significance

18 August 1988

Top 20 records on 18 August 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1988	Feodosiia, UA	daily rain	44.8 mm (1.8 in)	34.3 mm (1.4 in)	73 years	62 of 100 (Major)
18 August 1988	Micurinsk, RU	daily rain	31.0 mm (1.2 in)	14.8 mm (0.6 in)	95 years	59 of 100 (Notable)
18 August 1988	Plymouth Wwtp, US	daily rain	81.0 mm (3.2 in)	51.5 mm (2.0 in)	37 years	58 of 100 (Notable)
18 August 1988	Amvrosiivka, UA	daily rain	66.0 mm (2.6 in)	39.4 mm (1.6 in)	43 years	57 of 100 (Notable)
18 August 1988	Chatsbury (Maryland), AU	monthly rain	85.0 mm (3.3 in)	11.3 mm (0.4 in)	81 years	56 of 100 (Notable)
18 August 1988	Cuautla (Smn), MX	monthly rain	120.9 mm (4.8 in)	31.0 mm (1.2 in)	41 years	54 of 100 (Notable)
18 August 1988	Amite, US	daily rain	85.6 mm (3.4 in)	23.4 mm (0.9 in)	90 years	52 of 100 (Notable)
18 August 1988	La Cruz, MX	daily rain	59.9 mm (2.4 in)	37.0 mm (1.5 in)	19 years	48 of 100 (Notable)
18 August 1988	Lenoir, US	daily high max	40.0 C (104.0 F)	4.4 C (7.9 F)	86 years	48 of 100 (Notable)
18 August 1988	Williamson, US	all-time high max	41.7 C (107.1 F)	1.1 C (2.0 F)	58 years	48 of 100 (Notable)
18 August 1988	Kanalohuluhulu 1075, US	daily low max	13.3 C (55.9 F)	6.7 C (12.1 F)	15 years	47 of 100 (Notable)
18 August 1988	Marshall, US	daily high max	36.7 C (98.1 F)	3.4 C (6.1 F)	88 years	46 of 100 (Notable)
18 August 1988	Spencer, US	daily high max	38.3 C (100.9 F)	3.3 C (5.9 F)	95 years	46 of 100 (Notable)
18 August 1988	Kursk, RU	daily rain	27.4 mm (1.1 in)	6.2 mm (0.24 in)	91 years	45 of 100 (Notable)
18 August 1988	Jeanerette 5 NW, US	daily rain	79.2 mm (3.1 in)	23.3 mm (0.9 in)	71 years	45 of 100 (Notable)
18 August 1988	Jefferson 2 E, US	daily high max	33.9 C (93.0 F)	2.8 C (5.0 F)	91 years	45 of 100 (Notable)
18 August 1988	Winthrop UNIV, US	daily high max	40.0 C (104.0 F)	3.3 C (5.9 F)	88 years	45 of 100 (Notable)
18 August 1988	Vevay, US	daily high max	38.9 C (102.0 F)	2.2 C (4.0 F)	92 years	43 of 100 (Notable)
18 August 1988	Chapel Hill 2 W, US	daily high max	40.0 C (104.0 F)	2.2 C (4.0 F)	95 years	43 of 100 (Notable)
18 August 1988	Mondovi, US	daily high min	27.8 C (82.0 F)	6.1 C (11.0 F)	72 years	42 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

1797 to 1988

Records set or tied on this calendar date in each year from 1797 to 1988. 1988 had 1,351 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 1988-08-18: 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	911
10 to 20	54
20 to 30	20
30 to 40	15
40 to 50	4
50 to 60	1
60 to 70	1