Weather Records on 9 August 1988

625 weather records were set or tied worldwide on 9 August 1988. Highest significance: Biloxi, US.

Key Facts for 9 August 1988

On 9 August 1988, 625 weather records were set or tied at long-record stations worldwide.
317 were record highs and 137 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 14 monthly and 609 daily.
Biloxi set a monthly record daily precipitation of 265.7 mm (10.5 in) on 9 August 1988.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 473 records.

Record Map

625 stations

625 station records on 9 August 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Biloxi	United States	Record daily precipitation	265.7 mm (10.5 in)	63 of 100 (Major)
Puhi 1013	United States	Record daily precipitation	61.7 mm (2.4 in)	60 of 100 (Major)
Esso	Russia	Record daily precipitation	37.0 mm (1.5 in)	55 of 100 (Notable)
Ogden Dunes	United States	Record daily precipitation	116.8 mm (4.6 in)	54 of 100 (Notable)
Kovda	Russia	Record daily precipitation	35.1 mm (1.4 in)	52 of 100 (Notable)
W Lawai 931	United States	Record daily precipitation	26.2 mm (1.0 in)	47 of 100 (Notable)
Merrill	United States	Record daily precipitation	52.1 mm (2.1 in)	46 of 100 (Notable)
Chietla	Mexico	Record daily precipitation	73.9 mm (2.9 in)	44 of 100 (Notable)
Vancleave	United States	Record daily precipitation	154.9 mm (6.1 in)	44 of 100 (Notable)
Cherry Point MCAS	United States	Record daily precipitation	95.3 mm (3.8 in)	44 of 100 (Notable)
Izucar de Matamoros (Dge)	Mexico	Record daily precipitation	67.1 mm (2.6 in)	43 of 100 (Notable)
Benton Harbor AP	United States	Record high maximum temperature	36.1 C (97.0 F)	43 of 100 (Notable)
Bukoba	Tanzania	Record daily precipitation	47.8 mm (1.9 in)	42 of 100 (Notable)
Ransom 2NE	United States	Record daily precipitation	55.4 mm (2.2 in)	42 of 100 (Notable)
Merrill	United States	Record daily precipitation	44.5 mm (1.8 in)	42 of 100 (Notable)
E Lawai 934	United States	Record daily precipitation	48.8 mm (1.9 in)	42 of 100 (Notable)
Cascade	United States	Record daily precipitation	65.0 mm (2.6 in)	40 of 100 (Notable)
Evart	United States	Record high minimum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Nizhneangarsk	Russia	Record daily precipitation	33.1 mm (1.3 in)	39 of 100 (Notable)
Blagovescensk	Russia	Record daily precipitation	47.9 mm (1.9 in)	39 of 100 (Notable)
Kalamazoo State Hospital	United States	Record daily precipitation	48.3 mm (1.9 in)	39 of 100 (Notable)
Brookfield	United States	Record daily precipitation	58.7 mm (2.3 in)	39 of 100 (Notable)
Machilipatnam	India	Record daily precipitation	54.9 mm (2.2 in)	38 of 100 (Notable)
Middletown 4 W	United States	Record high maximum temperature	34.4 C (93.9 F)	38 of 100 (Notable)
Alexander	United States	Record daily precipitation	71.1 mm (2.8 in)	38 of 100 (Notable)
Carlinville	United States	Record high minimum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Lake City Exp Farm	United States	Record high minimum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Niles	United States	Record daily precipitation	55.1 mm (2.2 in)	37 of 100 (Notable)
Pontiac Wwtp	United States	Record high minimum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Evergreen	United States	Record low maximum temperature	27.2 C (81.0 F)	36 of 100 (Notable)
Eau Claire 4 NE	United States	Record daily precipitation	57.9 mm (2.3 in)	36 of 100 (Notable)
Snake Rvr	United States	Record low minimum temperature	-5.0 C (23.0 F)	36 of 100 (Notable)
Lihue 1020	United States	Record daily precipitation	48.3 mm (1.9 in)	36 of 100 (Notable)
Loch Valley Plantation	Australia	Record daily precipitation	31.4 mm (1.2 in)	35 of 100 (Notable)
Bay Minette	United States	Record daily precipitation	91.7 mm (3.6 in)	35 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record daily precipitation	68.6 mm (2.7 in)	35 of 100 (Notable)
Kingman	United States	Record daily precipitation	61.7 mm (2.4 in)	35 of 100 (Notable)
Mio Hydro Plt	United States	Record high minimum temperature	21.1 C (70.0 F)	35 of 100 (Notable)
Carrollton	United States	Record daily precipitation	73.2 mm (2.9 in)	35 of 100 (Notable)
Koloa 936	United States	Record daily precipitation	40.4 mm (1.6 in)	35 of 100 (Notable)
Albuquerque Intl AP	United States	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record high maximum temperature	34.5 C (94.1 F)	34 of 100 (Routine)
Monticello 2E	United States	Record low minimum temperature	6.7 C (44.1 F)	34 of 100 (Routine)
Natitingou	Benin	Record daily precipitation	99.1 mm (3.9 in)	33 of 100 (Routine)
Bujumbura	Burundi	Record daily precipitation	47.8 mm (1.9 in)	33 of 100 (Routine)
Okeechobee	United States	Record low minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Franklin 3 NW	United States	Record low maximum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Mauth-Finsterau	Germany	Record daily precipitation	49.1 mm (1.9 in)	32 of 100 (Routine)
Fairhope 2 NE	United States	Record daily precipitation	100.8 mm (4.0 in)	32 of 100 (Routine)
Petoskey	United States	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Hanover	United States	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)
Eden (Timbillica)	Australia	Record daily precipitation	27.8 mm (1.1 in)	31 of 100 (Routine)
Mesa Verde Np	United States	Record low minimum temperature	8.3 C (46.9 F)	31 of 100 (Routine)
Sheridan Fire Twr	United States	Record daily precipitation	61.2 mm (2.4 in)	31 of 100 (Routine)
Plainview	United States	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Tremonton	United States	Record low maximum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
San Sebastian del Oeste	Mexico	Record low minimum temperature	8.3 C (46.9 F)	30 of 100 (Routine)
Newport Beach Harbor	United States	Record low maximum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Hobart 2 WNW	United States	Record high minimum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Grand Ledge 1 NW	United States	Record daily precipitation	58.9 mm (2.3 in)	30 of 100 (Routine)

Counts by Type and Timescale

625 records

Records set or tied on 9 August 1988 by type: Highest daily maximum 144, Lowest daily maximum 46, Highest daily minimum 173, Lowest daily minimum 91, Heaviest daily rainfall 171.

Records on 9 August 1988 by type
Record type	Records
Highest daily maximum	144
Lowest daily maximum	46
Highest daily minimum	173
Lowest daily minimum	91
Heaviest daily rainfall	171
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1988 by timescale: all-time 2, monthly 14, daily 609.

How Much Records Were Beaten By

457 broken records

Margins by which the 457 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 100.3. Ties are not counted.

Top 20 by Significance

9 August 1988

Top 20 records on 9 August 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1988	Biloxi, US	monthly rain	265.7 mm (10.5 in)	49.8 mm (2.0 in)	56 years	63 of 100 (Major)
9 August 1988	Puhi 1013, US	daily rain	61.7 mm (2.4 in)	50.3 mm (2.0 in)	50 years	60 of 100 (Major)
9 August 1988	Esso, RU	daily rain	37.0 mm (1.5 in)	30.8 mm (1.2 in)	39 years	55 of 100 (Notable)
9 August 1988	Ogden Dunes, US	monthly rain	116.8 mm (4.6 in)	37.0 mm (1.5 in)	32 years	54 of 100 (Notable)
9 August 1988	Kovda, RU	daily rain	35.1 mm (1.4 in)	24.4 mm (1.0 in)	25 years	52 of 100 (Notable)
9 August 1988	W Lawai 931, US	daily rain	26.2 mm (1.0 in)	18.6 mm (0.7 in)	10 years	47 of 100 (Notable)
9 August 1988	Merrill, US	daily rain	52.1 mm (2.1 in)	25.9 mm (1.0 in)	69 years	46 of 100 (Notable)
9 August 1988	Chietla, MX	daily rain	73.9 mm (2.9 in)	51.5 mm (2.0 in)	1 year	44 of 100 (Notable)
9 August 1988	Vancleave, US	daily rain	154.9 mm (6.1 in)	100.3 mm (3.9 in)	3 years	44 of 100 (Notable)
9 August 1988	Cherry Point MCAS, US	daily rain	95.3 mm (3.8 in)	64.8 mm (2.6 in)	43 years	44 of 100 (Notable)
9 August 1988	Izucar de Matamoros (Dge), MX	daily rain	67.1 mm (2.6 in)	39.2 mm (1.5 in)	31 years	43 of 100 (Notable)
9 August 1988	Benton Harbor AP, US	daily high max	36.1 C (97.0 F)	2.2 C (4.0 F)	93 years	43 of 100 (Notable)
9 August 1988	Bukoba, TZ	daily rain	47.8 mm (1.9 in)	33.9 mm (1.3 in)	18 years	42 of 100 (Notable)
9 August 1988	Ransom 2NE, US	daily rain	55.4 mm (2.2 in)	38.4 mm (1.5 in)	21 years	42 of 100 (Notable)
9 August 1988	Merrill, US	daily rain	44.5 mm (1.8 in)	12.7 mm (0.5 in)	82 years	42 of 100 (Notable)
9 August 1988	E Lawai 934, US	daily rain	48.8 mm (1.9 in)	9.9 mm (0.39 in)	83 years	42 of 100 (Notable)
9 August 1988	Cascade, US	daily rain	65.0 mm (2.6 in)	45.2 mm (1.8 in)	23 years	40 of 100 (Notable)
9 August 1988	Evart, US	daily high min	21.7 C (71.1 F)	1.7 C (3.1 F)	95 years	40 of 100 (Notable)
9 August 1988	Nizhneangarsk, RU	daily rain	33.1 mm (1.3 in)	18.0 mm (0.7 in)	21 years	39 of 100 (Notable)
9 August 1988	Blagovescensk, RU	daily rain	47.9 mm (1.9 in)	5.7 mm (0.22 in)	84 years	39 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

1798 to 1988

Records set or tied on this calendar date in each year from 1798 to 1988. 1988 had 625 records.

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

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1988-08-09: 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	426
20 to 40	23
40 to 60	6
60 to 80	1
80 to 100	0
100 to 120	1