Weather Records on 6 May 1987

1,049 weather records were set or tied worldwide on 6 May 1987. Highest significance: Olowalu 296.1, US.

Key Facts for 6 May 1987

On 6 May 1987, 1,049 weather records were set or tied at long-record stations worldwide.
552 were record highs and 224 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 36 monthly and 1,012 daily.
Olowalu 296.1 set a daily record precipitation of 54.6 mm (2.1 in) on 6 May 1987.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 449 records.

Record Map

1,049 stations

1,049 station records on 6 May 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 May 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Olowalu 296.1	United States	Record daily precipitation	54.6 mm (2.1 in)	65 of 100 (Major)
Launiupoko Vil 372	United States	Record daily precipitation	92.7 mm (3.6 in)	60 of 100 (Major)
Spreckelsville 400	United States	Record daily precipitation	87.9 mm (3.5 in)	60 of 100 (Major)
Lahaina 361	United States	Record daily precipitation	54.6 mm (2.1 in)	59 of 100 (Notable)
Waiehu Camp 484	United States	Record daily precipitation	203.2 mm (8.0 in)	59 of 100 (Notable)
Keahua 410	United States	Record daily precipitation	68.6 mm (2.7 in)	56 of 100 (Notable)
Kalaupapa 563	United States	Record daily precipitation	118.1 mm (4.6 in)	55 of 100 (Notable)
Wailuku 386	United States	Record daily precipitation	194.3 mm (7.6 in)	54 of 100 (Notable)
Hvar	Croatia	Record low maximum temperature	12.4 C (54.3 F)	52 of 100 (Notable)
Sabinas (Dge)	Mexico	Record daily precipitation	66.8 mm (2.6 in)	52 of 100 (Notable)
Peck 4 SSW	United States	Record daily precipitation	80.3 mm (3.2 in)	51 of 100 (Notable)
Paia 406	United States	Record daily precipitation	53.3 mm (2.1 in)	50 of 100 (Notable)
Sacramento 5 ESE	United States	Record high minimum temperature	19.4 C (66.9 F)	50 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	15.0 C (59.0 F)	49 of 100 (Notable)
Paso de San Antonio	Mexico	Record daily precipitation	89.9 mm (3.5 in)	48 of 100 (Notable)
Kukuihaele Mill 206	United States	Record daily precipitation	99.6 mm (3.9 in)	48 of 100 (Notable)
Mahinahina 466	United States	Record daily precipitation	111.8 mm (4.4 in)	48 of 100 (Notable)
Molokai Kaunakakai Molokai AP	United States	Record daily precipitation	39.6 mm (1.6 in)	47 of 100 (Notable)
Hamakuapoko 485	United States	Record daily precipitation	94.0 mm (3.7 in)	46 of 100 (Notable)
Ukumehame 301	United States	Record daily precipitation	92.7 mm (3.6 in)	46 of 100 (Notable)
San Jose	United States	Record high minimum temperature	17.2 C (63.0 F)	45 of 100 (Notable)
Elgin	United States	Record daily precipitation	78.2 mm (3.1 in)	43 of 100 (Notable)
Biskra	Algeria	Record low minimum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Conrad	United States	Record high minimum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Carangola	Brazil	Record daily precipitation	36.8 mm (1.4 in)	41 of 100 (Notable)
Concepcion de la Norma	Mexico	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Sandakan	Malaysia	Record daily precipitation	57.0 mm (2.2 in)	41 of 100 (Notable)
Mt Hebron Rs	United States	Record high maximum temperature	30.0 C (86.0 F)	41 of 100 (Notable)
Corinne	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Puunene 396	United States	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Ogulin	Croatia	Record daily precipitation	110.8 mm (4.4 in)	40 of 100 (Notable)
Storrs	United States	Record low maximum temperature	6.1 C (43.0 F)	40 of 100 (Notable)
Electra P H	United States	Record high minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Headworks Portland Wtr B	United States	Record high maximum temperature	34.4 C (93.9 F)	39 of 100 (Notable)
Wahikuli 364	United States	Record daily precipitation	80.5 mm (3.2 in)	39 of 100 (Notable)
Pecs Pogany	Hungary	Record daily precipitation	36.3 mm (1.4 in)	38 of 100 (Notable)
Elsinore	United States	Record high maximum temperature	37.8 C (100.0 F)	38 of 100 (Notable)
Fort Drum	United States	Record daily precipitation	67.6 mm (2.7 in)	38 of 100 (Notable)
Napa State Hospital	United States	Record high minimum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Point Arena	United States	Record high maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Sierra City	United States	Record high minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Yreka	United States	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
Collins	United States	Record daily precipitation	55.6 mm (2.2 in)	37 of 100 (Notable)
Prineville	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Sao Jose Do Barreiro	Brazil	Record daily precipitation	39.5 mm (1.6 in)	36 of 100 (Notable)
Maricopa	United States	Record high maximum temperature	42.8 C (109.0 F)	36 of 100 (Notable)
Sonora	United States	Record high maximum temperature	35.0 C (95.0 F)	36 of 100 (Notable)
Corvallis State UNIV	United States	Record high minimum temperature	12.8 C (55.0 F)	36 of 100 (Notable)
McKenzie Rvr Rs	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Woodstock	United States	Record low maximum temperature	8.3 C (46.9 F)	36 of 100 (Notable)
Elias Fausto	Brazil	Record daily precipitation	59.2 mm (2.3 in)	35 of 100 (Notable)
Zuerich/Fluntern	Switzerland	Record low maximum temperature	6.5 C (43.7 F)	35 of 100 (Notable)
Orleans	United States	Record high maximum temperature	38.9 C (102.0 F)	35 of 100 (Notable)
Greensburg	United States	Record daily precipitation	35.6 mm (1.4 in)	35 of 100 (Notable)
Highlands	United States	Record low maximum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Estacada 2 SE	United States	Record high maximum temperature	34.4 C (93.9 F)	35 of 100 (Notable)
Colfax	United States	Record high maximum temperature	33.3 C (91.9 F)	34 of 100 (Routine)
Waycross 4 NE	United States	Record low maximum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Girard	United States	Record daily precipitation	73.7 mm (2.9 in)	34 of 100 (Routine)
Southport 5 N	United States	Record low maximum temperature	15.0 C (59.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

1,049 records

Records set or tied on 6 May 1987 by type: Highest daily maximum 333, Lowest daily maximum 108, Highest daily minimum 219, Lowest daily minimum 116, Heaviest daily rainfall 272, Deepest snow cover 1.

Records on 6 May 1987 by type
Record type	Records
Highest daily maximum	333
Lowest daily maximum	108
Highest daily minimum	219
Lowest daily minimum	116
Heaviest daily rainfall	272
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 6 May 1987 by timescale: all-time 1, monthly 36, daily 1,012.

How Much Records Were Beaten By

880 broken records

Margins by which the 880 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 155.7. Ties are not counted.

Top 20 by Significance

6 May 1987

Top 20 records on 6 May 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 May 1987	Olowalu 296.1, US	daily rain	54.6 mm (2.1 in)	50.5 mm (2.0 in)	62 years	65 of 100 (Major)
6 May 1987	Launiupoko Vil 372, US	monthly rain	92.7 mm (3.6 in)	49.8 mm (2.0 in)	25 years	60 of 100 (Major)
6 May 1987	Spreckelsville 400, US	monthly rain	87.9 mm (3.5 in)	32.3 mm (1.3 in)	23 years	60 of 100 (Major)
6 May 1987	Lahaina 361, US	daily rain	54.6 mm (2.1 in)	48.0 mm (1.9 in)	40 years	59 of 100 (Notable)
6 May 1987	Waiehu Camp 484, US	monthly rain	203.2 mm (8.0 in)	122.4 mm (4.8 in)	19 years	59 of 100 (Notable)
6 May 1987	Keahua 410, US	monthly rain	68.6 mm (2.7 in)	25.2 mm (1.0 in)	8 years	56 of 100 (Notable)
6 May 1987	Kalaupapa 563, US	monthly rain	118.1 mm (4.6 in)	38.3 mm (1.5 in)	8 years	55 of 100 (Notable)
6 May 1987	Wailuku 386, US	monthly rain	194.3 mm (7.6 in)	155.7 mm (6.1 in)	6 years	54 of 100 (Notable)
6 May 1987	Hvar, HR	monthly low max	12.4 C (54.3 F)	0.6 C (1.1 F)	108 years	52 of 100 (Notable)
6 May 1987	Sabinas (Dge), MX	daily rain	66.8 mm (2.6 in)	60.4 mm (2.4 in)	28 years	52 of 100 (Notable)
6 May 1987	Peck 4 SSW, US	daily rain	80.3 mm (3.2 in)	57.2 mm (2.3 in)	25 years	51 of 100 (Notable)
6 May 1987	Paia 406, US	daily rain	53.3 mm (2.1 in)	29.4 mm (1.2 in)	8 years	50 of 100 (Notable)
6 May 1987	Sacramento 5 ESE, US	daily high min	19.4 C (66.9 F)	3.8 C (6.8 F)	92 years	50 of 100 (Notable)
6 May 1987	Nevada City, US	daily high min	15.0 C (59.0 F)	4.4 C (7.9 F)	91 years	49 of 100 (Notable)
6 May 1987	Paso de San Antonio, MX	daily rain	89.9 mm (3.5 in)	82.5 mm (3.2 in)	38 years	48 of 100 (Notable)
6 May 1987	Kukuihaele Mill 206, US	daily rain	99.6 mm (3.9 in)	25.2 mm (1.0 in)	72 years	48 of 100 (Notable)
6 May 1987	Mahinahina 466, US	monthly rain	111.8 mm (4.4 in)	19.1 mm (0.8 in)	26 years	48 of 100 (Notable)
6 May 1987	Molokai Kaunakakai Molokai AP, US	daily rain	39.6 mm (1.6 in)	35.0 mm (1.4 in)	21 years	47 of 100 (Notable)
6 May 1987	Hamakuapoko 485, US	monthly rain	94.0 mm (3.7 in)	15.8 mm (0.6 in)	23 years	46 of 100 (Notable)
6 May 1987	Ukumehame 301, US	monthly rain	92.7 mm (3.6 in)	27.9 mm (1.1 in)	25 years	46 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

1795 to 1987

Records set or tied on this calendar date in each year from 1795 to 1987. 1987 had 1,049 records.

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

Records on 05-06 in each year
Year	Records
1795	1
1805	1
1825	1
1836	1
1845	2
1850	1
1851	1
1852	1
1856	1
1857	2
1861	2
1862	2
1864	2
1865	1
1872	1
1877	3
1880	2
1883	1
1885	4
1886	2
1887	1
1888	1
1889	4
1890	4
1891	3
1892	3
1893	1
1895	3
1896	1
1897	5
1898	17
1899	3
1900	8
1901	3
1902	8
1903	9
1904	12
1905	18
1906	14
1907	11
1908	18
1909	19
1910	23
1911	14
1912	20
1913	47
1914	30
1915	32
1916	51
1917	197
1918	43
1919	63
1920	42
1921	39
1922	87
1923	126
1924	95
1925	225
1926	178
1927	133
1928	106
1929	225
1930	581
1931	378
1932	302
1933	336
1934	640
1935	319
1936	430
1937	172
1938	310
1939	185
1940	243
1941	325
1942	309
1943	375
1944	879
1945	318
1946	260
1947	613
1948	384
1949	917
1950	610
1951	292
1952	496
1953	635
1954	551
1955	422
1956	559
1957	644
1958	615
1959	463
1960	781
1961	655
1962	301
1963	623
1964	823
1965	624
1966	950
1967	697
1968	890
1969	695
1970	710
1971	459
1972	499
1973	499
1974	806
1975	925
1976	644
1977	896
1978	899
1979	1,122
1980	574
1981	489
1982	800
1983	554
1984	846
1985	549
1986	1,228
1987	1,049
1988	919
1989	1,814
1990	1,220
1991	1,028
1992	1,486
1993	795
1994	591
1995	961
1996	1,578
1997	1,127
1998	1,160
1999	1,198
2000	1,357
2001	767
2002	979
2003	1,596
2004	1,490
2005	826
2006	663
2007	1,061
2008	412
2009	732
2010	1,187
2011	604
2012	1,007
2013	1,024
2014	612
2015	589
2016	808
2017	659
2018	454
2019	462
2020	578
2021	517
2022	736
2023	559
2024	841
2025	732
2026	796

Download the Data

Data for records on 1987-05-06: 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	817
20 to 40	50
40 to 60	8
60 to 80	1
80 to 100	1
100 to 120	1
120 to 140	1
140 to 160	1