Weather Records on 9 May 1988

594 weather records were set or tied worldwide on 9 May 1988. Highest significance: Dombietersfontein, ZA.

Key Facts for 9 May 1988

On 9 May 1988, 594 weather records were set or tied at long-record stations worldwide.
222 were record highs and 121 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 17 monthly and 575 daily.
Dombietersfontein set a monthly record daily precipitation of 70.5 mm (2.8 in) on 9 May 1988.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 431 records.

Record Map

594 stations

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

Weather records on 9 May 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dombietersfontein	South Africa	Record daily precipitation	70.5 mm (2.8 in)	68 of 100 (Major)
Cambridge	United States	Record daily precipitation	49.0 mm (1.9 in)	61 of 100 (Major)
Roermond	Netherlands	Record daily precipitation	39.0 mm (1.5 in)	59 of 100 (Notable)
Paskenta Rs	United States	Record daily precipitation	47.8 mm (1.9 in)	57 of 100 (Notable)
Mill	Netherlands	Record daily precipitation	75.2 mm (3.0 in)	54 of 100 (Notable)
Orel	Russia	Record daily precipitation	33.8 mm (1.3 in)	52 of 100 (Notable)
Tower 2S	United States	Record daily precipitation	31.8 mm (1.3 in)	52 of 100 (Notable)
Rottweil	Germany	Record daily precipitation	42.6 mm (1.7 in)	51 of 100 (Notable)
Eindhoven-1	Netherlands	Record daily precipitation	57.1 mm (2.2 in)	51 of 100 (Notable)
Poitiers - Biard	France	Record daily precipitation	44.4 mm (1.7 in)	47 of 100 (Notable)
Rinconada	Mexico	Record low minimum temperature	10.0 C (50.0 F)	47 of 100 (Notable)
Maastricht	Netherlands	Record daily precipitation	28.7 mm (1.1 in)	47 of 100 (Notable)
Little Falls 2NNE	United States	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Muccan	Australia	Record daily precipitation	53.0 mm (2.1 in)	46 of 100 (Notable)
Paradise Valley 1 NW	United States	Record low minimum temperature	-10.0 C (14.0 F)	44 of 100 (Notable)
Boxtel	Netherlands	Record daily precipitation	45.1 mm (1.8 in)	43 of 100 (Notable)
Leende	Netherlands	Record daily precipitation	29.6 mm (1.2 in)	43 of 100 (Notable)
Megen	Netherlands	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Oirschot	Netherlands	Record daily precipitation	26.1 mm (1.0 in)	43 of 100 (Notable)
Mt Hebron Rs	United States	Record low minimum temperature	-10.0 C (14.0 F)	43 of 100 (Notable)
Beekbergen	Netherlands	Record daily precipitation	30.7 mm (1.2 in)	42 of 100 (Notable)
Nuland	Netherlands	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Cloquet	United States	Record daily precipitation	52.8 mm (2.1 in)	41 of 100 (Notable)
Shaki	Azerbaijan	Record daily precipitation	42.7 mm (1.7 in)	40 of 100 (Notable)
El Rodeo	Mexico	Record high maximum temperature	41.7 C (107.1 F)	40 of 100 (Notable)
Petoskey	United States	Record high minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Collegeville St John's	United States	Record daily precipitation	33.5 mm (1.3 in)	40 of 100 (Notable)
Amery	United States	Record daily precipitation	54.1 mm (2.1 in)	40 of 100 (Notable)
Palmerville	Australia	Record high maximum temperature	34.5 C (94.1 F)	36 of 100 (Notable)
Zaltbommel	Netherlands	Record daily precipitation	26.3 mm (1.0 in)	35 of 100 (Notable)
Ellsworth 1E	United States	Record daily precipitation	45.5 mm (1.8 in)	35 of 100 (Notable)
Oss	Netherlands	Record daily precipitation	49.8 mm (2.0 in)	34 of 100 (Routine)
Stillwater 1 SE	United States	Record daily precipitation	38.9 mm (1.5 in)	34 of 100 (Routine)
La Junta	Mexico	Record low minimum temperature	-2.2 C (28.0 F)	32 of 100 (Routine)
Rinconada	Mexico	Record low maximum temperature	22.8 C (73.0 F)	32 of 100 (Routine)
Stuttgart	United States	Record daily precipitation	54.9 mm (2.2 in)	32 of 100 (Routine)
Genoa Dam 8	United States	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Westby 3ENE	United States	Record daily precipitation	36.8 mm (1.4 in)	32 of 100 (Routine)
Ixtepeji	Mexico	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Red Wing Dam 3	United States	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Maarheeze	Netherlands	Record daily precipitation	34.1 mm (1.3 in)	30 of 100 (Routine)
Calero Camp	Puerto Rico [United States]	Record daily precipitation	72.4 mm (2.9 in)	29 of 100 (Routine)
Moorhead	United States	Record high minimum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Beowawe	United States	Record low minimum temperature	-7.2 C (19.0 F)	29 of 100 (Routine)
Bochil	Mexico	Record high maximum temperature	37.8 C (100.0 F)	28 of 100 (Routine)
McCloud	United States	Record low maximum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Wheaton	United States	Record daily precipitation	27.9 mm (1.1 in)	28 of 100 (Routine)
Hickory Flat	United States	Record daily precipitation	42.4 mm (1.7 in)	28 of 100 (Routine)
Dodge	United States	Record daily precipitation	35.1 mm (1.4 in)	28 of 100 (Routine)
River Falls	United States	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Nueva Esperanza	Mexico	Record high maximum temperature	41.7 C (107.1 F)	27 of 100 (Routine)
Dewitt	United States	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Klippeneck	Germany	Record daily precipitation	30.7 mm (1.2 in)	26 of 100 (Routine)
Rio Grande City	United States	Record high maximum temperature	39.4 C (102.9 F)	26 of 100 (Routine)
Dry Canyon Rsvr	United States	Record low minimum temperature	2.8 C (37.0 F)	25 of 100 (Routine)
Moose Lake 1 SSE	United States	Record daily precipitation	55.9 mm (2.2 in)	25 of 100 (Routine)
Mellen 4 NE	United States	Record high minimum temperature	10.6 C (51.1 F)	25 of 100 (Routine)
Eureka WFO Woodley Is	United States	Record high maximum temperature	22.2 C (72.0 F)	25 of 100 (Routine)
Guamuchil	Mexico	Record high maximum temperature	41.7 C (107.1 F)	24 of 100 (Routine)
Hatanga	Russia	Record high maximum temperature	2.6 C (36.7 F)	24 of 100 (Routine)

Counts by Type and Timescale

594 records

Records set or tied on 9 May 1988 by type: Highest daily maximum 110, Lowest daily maximum 25, Highest daily minimum 112, Lowest daily minimum 96, Heaviest daily rainfall 250, Deepest snow cover 1.

Records on 9 May 1988 by type
Record type	Records
Highest daily maximum	110
Lowest daily maximum	25
Highest daily minimum	112
Lowest daily minimum	96
Heaviest daily rainfall	250
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 9 May 1988 by timescale: all-time 2, monthly 17, daily 575.

How Much Records Were Beaten By

472 broken records

Margins by which the 472 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 52.7. Ties are not counted.

Top 20 by Significance

9 May 1988

Top 20 records on 9 May 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1988	Dombietersfontein, ZA	monthly rain	70.5 mm (2.8 in)	27.6 mm (1.1 in)	52 years	68 of 100 (Major)
9 May 1988	Cambridge, US	daily rain	49.0 mm (1.9 in)	25.9 mm (1.0 in)	93 years	61 of 100 (Major)
9 May 1988	Roermond, NL	daily rain	39.0 mm (1.5 in)	25.8 mm (1.0 in)	30 years	59 of 100 (Notable)
9 May 1988	Paskenta Rs, US	monthly rain	47.8 mm (1.9 in)	17.6 mm (0.7 in)	47 years	57 of 100 (Notable)
9 May 1988	Mill, NL	monthly rain	75.2 mm (3.0 in)	47.8 mm (1.9 in)	4 years	54 of 100 (Notable)
9 May 1988	Orel, RU	daily rain	33.8 mm (1.3 in)	22.5 mm (0.9 in)	31 years	52 of 100 (Notable)
9 May 1988	Tower 2S, US	daily rain	31.8 mm (1.3 in)	16.6 mm (0.7 in)	85 years	52 of 100 (Notable)
9 May 1988	Rottweil, DE	daily rain	42.6 mm (1.7 in)	27.1 mm (1.1 in)	25 years	51 of 100 (Notable)
9 May 1988	Eindhoven-1, NL	monthly rain	57.1 mm (2.2 in)	18.5 mm (0.7 in)	10 years	51 of 100 (Notable)
9 May 1988	Poitiers - Biard, FR	daily rain	44.4 mm (1.7 in)	17.8 mm (0.7 in)	42 years	47 of 100 (Notable)
9 May 1988	Rinconada, MX	daily low min	10.0 C (50.0 F)	6.7 C (12.1 F)	28 years	47 of 100 (Notable)
9 May 1988	Maastricht, NL	daily rain	28.7 mm (1.1 in)	18.6 mm (0.7 in)	26 years	47 of 100 (Notable)
9 May 1988	Little Falls 2NNE, US	daily rain	38.1 mm (1.5 in)	17.5 mm (0.7 in)	70 years	47 of 100 (Notable)
9 May 1988	Muccan, AU	daily rain	53.0 mm (2.1 in)	52.7 mm (2.1 in)	38 years	46 of 100 (Notable)
9 May 1988	Paradise Valley 1 NW, US	daily low min	-10.0 C (14.0 F)	5.6 C (10.1 F)	70 years	44 of 100 (Notable)
9 May 1988	Boxtel, NL	daily rain	45.1 mm (1.8 in)	38.6 mm (1.5 in)	2 years	43 of 100 (Notable)
9 May 1988	Leende, NL	daily rain	29.6 mm (1.2 in)	21.3 mm (0.8 in)	2 years	43 of 100 (Notable)
9 May 1988	Megen, NL	daily rain	40.6 mm (1.6 in)	33.6 mm (1.3 in)	2 years	43 of 100 (Notable)
9 May 1988	Oirschot, NL	daily rain	26.1 mm (1.0 in)	19.2 mm (0.8 in)	2 years	43 of 100 (Notable)
9 May 1988	Mt Hebron Rs, US	daily low min	-10.0 C (14.0 F)	4.4 C (7.9 F)	80 years	43 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

1793 to 1988

Records set or tied on this calendar date in each year from 1793 to 1988. 1988 had 594 records.

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

Records on 05-09 in each year
Year	Records
1793	1
1795	1
1806	1
1810	1
1823	1
1834	1
1838	1
1843	1
1845	2
1846	1
1848	1
1850	2
1855	2
1857	1
1858	1
1861	1
1862	1
1864	2
1865	2
1867	2
1872	1
1873	2
1874	1
1875	2
1879	4
1880	3
1882	1
1883	2
1884	3
1885	3
1889	3
1890	3
1891	3
1892	1
1893	1
1895	2
1896	4
1897	3
1898	3
1899	2
1900	2
1901	9
1902	8
1903	9
1904	14
1905	34
1906	41
1907	11
1908	16
1909	34
1910	45
1911	23
1912	23
1913	15
1914	43
1915	27
1916	26
1917	50
1918	49
1919	47
1920	56
1921	102
1922	45
1923	461
1924	262
1925	123
1926	196
1927	343
1928	302
1929	166
1930	526
1931	411
1932	132
1933	482
1934	750
1935	111
1936	622
1937	128
1938	171
1939	345
1940	237
1941	335
1942	180
1943	524
1944	412
1945	538
1946	278
1947	1,145
1948	379
1949	417
1950	660
1951	188
1952	348
1953	507
1954	489
1955	288
1956	722
1957	505
1958	355
1959	252
1960	748
1961	516
1962	435
1963	1,103
1964	503
1965	730
1966	994
1967	681
1968	545
1969	653
1970	372
1971	338
1972	587
1973	386
1974	699
1975	465
1976	714
1977	931
1978	649
1979	1,605
1980	1,030
1981	639
1982	523
1983	872
1984	892
1985	829
1986	1,253
1987	1,481
1988	594
1989	1,347
1990	850
1991	759
1992	1,476
1993	967
1994	573
1995	960
1996	1,260
1997	1,088
1998	1,182
1999	970
2000	1,114
2001	969
2002	1,489
2003	1,802
2004	926
2005	851
2006	738
2007	765
2008	693
2009	816
2010	764
2011	1,104
2012	686
2013	684
2014	754
2015	689
2016	917
2017	539
2018	879
2019	1,043
2020	1,673
2021	501
2022	1,308
2023	474
2024	792
2025	622
2026	309

Download the Data

Data for records on 1988-05-09: 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 10	396
10 to 20	57
20 to 30	11
30 to 40	5
40 to 50	2
50 to 60	1