Weather Records on 11 May 1988

485 weather records were set or tied worldwide on 11 May 1988. Highest significance: Manati 2 E, PR.

Key Facts for 11 May 1988

On 11 May 1988, 485 weather records were set or tied at long-record stations worldwide.
267 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 15 monthly and 468 daily.
Manati 2 E set a monthly record daily precipitation of 205.7 mm (8.1 in) on 11 May 1988.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 463 records.

Record Map

485 stations

485 station records on 11 May 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	205.7 mm (8.1 in)	64 of 100 (Major)
Williambury	Australia	Record daily precipitation	54.0 mm (2.1 in)	58 of 100 (Notable)
Palolo Vly 718	United States	Record daily precipitation	145.3 mm (5.7 in)	53 of 100 (Notable)
Manoa Tun 2 716	United States	Record daily precipitation	163.6 mm (6.4 in)	52 of 100 (Notable)
Kropacevo	Russia	Record daily precipitation	26.9 mm (1.1 in)	50 of 100 (Notable)
Buzuluk	Russia	Record daily precipitation	30.1 mm (1.2 in)	50 of 100 (Notable)
Ust-Ozernoe	Russia	Record daily precipitation	27.7 mm (1.1 in)	46 of 100 (Notable)
Bogucar	Russia	Record daily precipitation	41.9 mm (1.6 in)	45 of 100 (Notable)
Rinconada	Mexico	Record low minimum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Toa Baja 1 SSW	Puerto Rico [United States]	Record daily precipitation	190.0 mm (7.5 in)	43 of 100 (Notable)
Mulyie	Australia	Record daily precipitation	76.0 mm (3.0 in)	41 of 100 (Notable)
Cardabia	Australia	Record daily precipitation	54.0 mm (2.1 in)	39 of 100 (Notable)
Certkovo	Russia	Record daily precipitation	31.3 mm (1.2 in)	38 of 100 (Notable)
Grayland	United States	Record high maximum temperature	25.6 C (78.1 F)	38 of 100 (Notable)
Raevsky	Russia	Record daily precipitation	38.2 mm (1.5 in)	37 of 100 (Notable)
Velykyi Burluk	Ukraine	Record daily precipitation	29.3 mm (1.2 in)	37 of 100 (Notable)
Bodie California St Historic P	United States	Record high maximum temperature	23.9 C (75.0 F)	37 of 100 (Notable)
Bremerton	United States	Record high minimum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Menard	United States	Record daily precipitation	99.3 mm (3.9 in)	35 of 100 (Notable)
Wallal Downs	Australia	Record daily precipitation	25.0 mm (1.0 in)	34 of 100 (Routine)
Guajataca Dam	Puerto Rico [United States]	Record daily precipitation	74.9 mm (2.9 in)	33 of 100 (Routine)
Albacete Los Llanos	Spain	Record daily precipitation	28.8 mm (1.1 in)	33 of 100 (Routine)
Hayfield Pumping Plt	United States	Record high minimum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
Buckhannon	United States	Record low minimum temperature	-7.2 C (19.0 F)	33 of 100 (Routine)
Zuara	Libya	Record high minimum temperature	20.5 C (68.9 F)	32 of 100 (Routine)
Cerralvo (Dge)	Mexico	Record daily precipitation	63.0 mm (2.5 in)	32 of 100 (Routine)
Chula Vista	United States	Record high maximum temperature	26.7 C (80.1 F)	32 of 100 (Routine)
Kalihi Rsch Site 777	United States	Record daily precipitation	77.2 mm (3.0 in)	32 of 100 (Routine)
Hambantota	Sri Lanka	Record high minimum temperature	27.0 C (80.6 F)	31 of 100 (Routine)
Samara	Russia	Record daily precipitation	26.0 mm (1.0 in)	31 of 100 (Routine)
Yonaguni-Jima	Japan	Record daily precipitation	91.0 mm (3.6 in)	30 of 100 (Routine)
Totatiche	Mexico	Record low maximum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Rinconada	Mexico	Record low maximum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Carson City	United States	Record high maximum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Jesus Maria (Smn)	Mexico	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Honey Brook 2 SSE	United States	Record daily precipitation	28.4 mm (1.1 in)	28 of 100 (Routine)
Agua Tibia	Mexico	Record low minimum temperature	5.6 C (42.1 F)	27 of 100 (Routine)
W Chester 2 NW	United States	Record daily precipitation	39.4 mm (1.6 in)	27 of 100 (Routine)
Midland 4 ENE	United States	Record daily precipitation	34.5 mm (1.4 in)	27 of 100 (Routine)
Humacao 2 SSE	Puerto Rico [United States]	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Holbrook	United States	Record high maximum temperature	33.9 C (93.0 F)	26 of 100 (Routine)
Mecca Fire STN	United States	Record high maximum temperature	44.4 C (111.9 F)	26 of 100 (Routine)
Mecca Fire STN	United States	Record high minimum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Venice	United States	Record low maximum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Vale	United States	Record high maximum temperature	35.6 C (96.1 F)	26 of 100 (Routine)
Oakville	United States	Record high maximum temperature	31.1 C (88.0 F)	26 of 100 (Routine)
Angoon Pwr	United States	Record high minimum temperature	9.4 C (48.9 F)	26 of 100 (Routine)
Wrangell AP	United States	Record high minimum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
San Angelo	United States	Record daily precipitation	39.1 mm (1.5 in)	26 of 100 (Routine)
Sirte	Libya	Record high maximum temperature	43.5 C (110.3 F)	25 of 100 (Routine)
Paso Robles	United States	Record high maximum temperature	36.1 C (97.0 F)	25 of 100 (Routine)
Morehead City 2 WNW	United States	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Valley Falls	United States	Record high maximum temperature	30.6 C (87.1 F)	25 of 100 (Routine)
Sitka AP	United States	Record high minimum temperature	9.4 C (48.9 F)	25 of 100 (Routine)
Mandora	Australia	Record daily precipitation	25.2 mm (1.0 in)	24 of 100 (Routine)
Tikanlik	China	Record low maximum temperature	13.4 C (56.1 F)	24 of 100 (Routine)
El Cuchillo	Mexico	Record daily precipitation	79.8 mm (3.1 in)	24 of 100 (Routine)
Palm Springs	United States	Record high maximum temperature	44.4 C (111.9 F)	24 of 100 (Routine)
Nuuanu Rsch 4 783	United States	Record daily precipitation	79.8 mm (3.1 in)	24 of 100 (Routine)
General Bravo (Dge)	Mexico	Record daily precipitation	39.9 mm (1.6 in)	23 of 100 (Routine)

Counts by Type and Timescale

485 records

Records set or tied on 11 May 1988 by type: Highest daily maximum 147, Lowest daily maximum 34, Highest daily minimum 120, Lowest daily minimum 33, Heaviest daily rainfall 149, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 11 May 1988 by type
Record type	Records
Highest daily maximum	147
Lowest daily maximum	34
Highest daily minimum	120
Lowest daily minimum	33
Heaviest daily rainfall	149
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 11 May 1988 by timescale: all-time 2, monthly 15, daily 468.

How Much Records Were Beaten By

361 broken records

Margins by which the 361 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.0. Ties are not counted.

Top 20 by Significance

11 May 1988

Top 20 records on 11 May 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1988	Manati 2 E, PR	monthly rain	205.7 mm (8.1 in)	53.3 mm (2.1 in)	60 years	64 of 100 (Major)
11 May 1988	Williambury, AU	daily rain	54.0 mm (2.1 in)	35.7 mm (1.4 in)	78 years	58 of 100 (Notable)
11 May 1988	Palolo Vly 718, US	daily rain	145.3 mm (5.7 in)	96.0 mm (3.8 in)	31 years	53 of 100 (Notable)
11 May 1988	Manoa Tun 2 716, US	daily rain	163.6 mm (6.4 in)	73.2 mm (2.9 in)	28 years	52 of 100 (Notable)
11 May 1988	Kropacevo, RU	daily rain	26.9 mm (1.1 in)	16.4 mm (0.6 in)	41 years	50 of 100 (Notable)
11 May 1988	Buzuluk, RU	daily rain	30.1 mm (1.2 in)	18.5 mm (0.7 in)	25 years	50 of 100 (Notable)
11 May 1988	Ust-Ozernoe, RU	daily rain	27.7 mm (1.1 in)	17.3 mm (0.7 in)	5 years	46 of 100 (Notable)
11 May 1988	Bogucar, RU	daily rain	41.9 mm (1.6 in)	34.4 mm (1.4 in)	1 year	45 of 100 (Notable)
11 May 1988	Rinconada, MX	daily low min	10.6 C (51.1 F)	6.1 C (11.0 F)	28 years	44 of 100 (Notable)
11 May 1988	Toa Baja 1 SSW, PR	monthly rain	190.0 mm (7.5 in)	50.0 mm (2.0 in)	22 years	43 of 100 (Notable)
11 May 1988	Mulyie, AU	daily rain	76.0 mm (3.0 in)	58.2 mm (2.3 in)	14 years	41 of 100 (Notable)
11 May 1988	Cardabia, AU	daily rain	54.0 mm (2.1 in)	28.6 mm (1.1 in)	59 years	39 of 100 (Notable)
11 May 1988	Certkovo, RU	daily rain	31.3 mm (1.2 in)	16.9 mm (0.7 in)	30 years	38 of 100 (Notable)
11 May 1988	Grayland, US	daily high max	25.6 C (78.1 F)	9.5 C (17.1 F)	5 years	38 of 100 (Notable)
11 May 1988	Raevsky, RU	monthly rain	38.2 mm (1.5 in)	5.6 mm (0.22 in)	41 years	37 of 100 (Notable)
11 May 1988	Velykyi Burluk, UA	daily rain	29.3 mm (1.2 in)	17.9 mm (0.7 in)	8 years	37 of 100 (Notable)
11 May 1988	Bodie California St Historic P, US	daily high max	23.9 C (75.0 F)	1.7 C (3.1 F)	89 years	37 of 100 (Notable)
11 May 1988	Bremerton, US	daily high min	10.6 C (51.1 F)	0.6 C (1.1 F)	88 years	37 of 100 (Notable)
11 May 1988	Menard, US	monthly rain	99.3 mm (3.9 in)	10.9 mm (0.4 in)	32 years	35 of 100 (Notable)
11 May 1988	Wallal Downs, AU	daily rain	25.0 mm (1.0 in)	6.7 mm (0.26 in)	73 years	34 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

1814 to 1988

Records set or tied on this calendar date in each year from 1814 to 1988. 1988 had 485 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 1988-05-11: 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	344
20 to 40	7
40 to 60	8
60 to 80	1
80 to 100	1