Weather Records on 9 May 1987

1,481 weather records were set or tied worldwide on 9 May 1987. Highest significance: Bowen Downs, AU.

Key Facts for 9 May 1987

On 9 May 1987, 1,481 weather records were set or tied at long-record stations worldwide.
903 were record highs and 124 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 33 monthly and 1,447 daily.
Bowen Downs set a daily record precipitation of 54.8 mm (2.2 in) on 9 May 1987.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 426 records.

Record Map

1,481 stations

1,481 station records on 9 May 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bowen Downs	Australia	Record daily precipitation	54.8 mm (2.2 in)	66 of 100 (Major)
Port Douglas - Warner St	Australia	Record daily precipitation	59.0 mm (2.3 in)	64 of 100 (Major)
South Johnstone Exp STN	Australia	Record daily precipitation	186.6 mm (7.3 in)	62 of 100 (Major)
Inkpen	Australia	Record daily precipitation	58.6 mm (2.3 in)	61 of 100 (Major)
Kanalohuluhulu 1075	United States	Record low maximum temperature	10.6 C (51.1 F)	60 of 100 (Major)
Maylands	Australia	Record daily precipitation	68.6 mm (2.7 in)	57 of 100 (Notable)
Tanhoj	Russia	Record daily precipitation	66.0 mm (2.6 in)	56 of 100 (Notable)
Mindalla	Australia	Record daily precipitation	37.0 mm (1.5 in)	55 of 100 (Notable)
Whyanbeel Valley	Australia	Record daily precipitation	151.0 mm (5.9 in)	55 of 100 (Notable)
Rzev	Russia	Record daily precipitation	35.5 mm (1.4 in)	54 of 100 (Notable)
Low Isles Lighthouse	Australia	Record daily precipitation	99.4 mm (3.9 in)	53 of 100 (Notable)
Muttaburra	Australia	Record daily precipitation	32.2 mm (1.3 in)	53 of 100 (Notable)
Dandaragan West	Australia	Record daily precipitation	57.0 mm (2.2 in)	51 of 100 (Notable)
Tangorin	Australia	Record daily precipitation	27.2 mm (1.1 in)	51 of 100 (Notable)
Sahuaripa	Mexico	Record daily precipitation	56.9 mm (2.2 in)	51 of 100 (Notable)
Mossman Central Mill	Australia	Record daily precipitation	54.2 mm (2.1 in)	50 of 100 (Notable)
Hvojnaja	Russia	Record daily precipitation	34.4 mm (1.4 in)	50 of 100 (Notable)
Borovici	Russia	Record daily precipitation	33.1 mm (1.3 in)	50 of 100 (Notable)
Fallon Exp STN	United States	Record daily precipitation	28.2 mm (1.1 in)	50 of 100 (Notable)
Lahaina 361	United States	Record low maximum temperature	24.4 C (75.9 F)	50 of 100 (Notable)
Ciudad Victoria	Mexico	Record daily precipitation	107.5 mm (4.2 in)	49 of 100 (Notable)
Melrose	Australia	Record daily precipitation	38.0 mm (1.5 in)	48 of 100 (Notable)
Bindi Bindi East	Australia	Record daily precipitation	34.4 mm (1.4 in)	46 of 100 (Notable)
Newdegate South	Australia	Record daily precipitation	26.0 mm (1.0 in)	46 of 100 (Notable)
Placerville	United States	Record high minimum temperature	14.4 C (57.9 F)	45 of 100 (Notable)
Konnongorring	Australia	Record daily precipitation	38.6 mm (1.5 in)	44 of 100 (Notable)
Tully Sugar Mill	Australia	Record daily precipitation	131.6 mm (5.2 in)	44 of 100 (Notable)
Chico UNIV Farm	United States	Record high minimum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Sacramento 5 ESE	United States	Record high minimum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Round Hill	Australia	Record daily precipitation	33.2 mm (1.3 in)	43 of 100 (Notable)
Tibooburra Post Office	Australia	Record daily precipitation	53.0 mm (2.1 in)	43 of 100 (Notable)
San Jose	United States	Record high minimum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Ukiah	United States	Record high minimum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Arlington	United States	Record high minimum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Valley Falls	United States	Record high minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Pomeroy	United States	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Miling	Australia	Record daily precipitation	36.0 mm (1.4 in)	41 of 100 (Notable)
Avai	Brazil	Record daily precipitation	48.2 mm (1.9 in)	41 of 100 (Notable)
Perus	Brazil	Record daily precipitation	48.6 mm (1.9 in)	41 of 100 (Notable)
Valdaj	Russia	Record daily precipitation	26.9 mm (1.1 in)	41 of 100 (Notable)
Rottnest Island Lighthouse	Australia	Record daily precipitation	39.8 mm (1.6 in)	40 of 100 (Notable)
Evelyn State Forest	Australia	Record daily precipitation	37.6 mm (1.5 in)	40 of 100 (Notable)
Observatorio Do Iag	Brazil	Record daily precipitation	41.5 mm (1.6 in)	40 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	13.3 C (55.9 F)	40 of 100 (Notable)
Beaver Is	United States	Record high minimum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Jalna	Australia	Record daily precipitation	46.0 mm (1.8 in)	39 of 100 (Notable)
Catumnal	Australia	Record daily precipitation	58.0 mm (2.3 in)	39 of 100 (Notable)
Denton	Australia	Record daily precipitation	38.2 mm (1.5 in)	39 of 100 (Notable)
Cronulla South Bowling Club	Australia	Record daily precipitation	77.2 mm (3.0 in)	39 of 100 (Notable)
Bloemfontein Airpor	South Africa	Record daily precipitation	25.9 mm (1.0 in)	39 of 100 (Notable)
Lovell	United States	Record high minimum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Yellowstone Park Mammoth	United States	Record high maximum temperature	26.7 C (80.1 F)	39 of 100 (Notable)
Bungulla North	Australia	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Ft Lauderdale	United States	Record daily precipitation	71.9 mm (2.8 in)	38 of 100 (Notable)
Northwood	United States	Record high maximum temperature	32.8 C (91.0 F)	38 of 100 (Notable)
Hatteras	United States	Record low minimum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Traverse Cy Cherry Capital AP	United States	Record high minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Quairading	Australia	Record daily precipitation	45.2 mm (1.8 in)	37 of 100 (Notable)
Stadlandet	Norway	Record daily precipitation	35.9 mm (1.4 in)	37 of 100 (Notable)
Visby_Flygplats	Sweden	Record low minimum temperature	-1.4 C (29.5 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,481 records

Records set or tied on 9 May 1987 by type: Highest daily maximum 506, Lowest daily maximum 75, Highest daily minimum 397, Lowest daily minimum 49, Heaviest daily rainfall 453, Deepest snow cover 1.

Records on 9 May 1987 by type
Record type	Records
Highest daily maximum	506
Lowest daily maximum	75
Highest daily minimum	397
Lowest daily minimum	49
Heaviest daily rainfall	453
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 9 May 1987 by timescale: all-time 1, monthly 33, daily 1,447.

How Much Records Were Beaten By

1,260 broken records

Margins by which the 1,260 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.9. Ties are not counted.

Top 20 by Significance

9 May 1987

Top 20 records on 9 May 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1987	Bowen Downs, AU	daily rain	54.8 mm (2.2 in)	54.3 mm (2.1 in)	84 years	66 of 100 (Major)
9 May 1987	Port Douglas - Warner St, AU	daily rain	59.0 mm (2.3 in)	32.8 mm (1.3 in)	80 years	64 of 100 (Major)
9 May 1987	South Johnstone Exp STN, AU	daily rain	186.6 mm (7.3 in)	80.2 mm (3.2 in)	62 years	62 of 100 (Major)
9 May 1987	Inkpen, AU	daily rain	58.6 mm (2.3 in)	38.5 mm (1.5 in)	50 years	61 of 100 (Major)
9 May 1987	Kanalohuluhulu 1075, US	daily low max	10.6 C (51.1 F)	7.2 C (13.0 F)	50 years	60 of 100 (Major)
9 May 1987	Maylands, AU	daily rain	68.6 mm (2.7 in)	68.6 mm (2.7 in)	52 years	57 of 100 (Notable)
9 May 1987	Tanhoj, RU	monthly rain	66.0 mm (2.6 in)	19.1 mm (0.8 in)	45 years	56 of 100 (Notable)
9 May 1987	Mindalla, AU	daily rain	37.0 mm (1.5 in)	24.3 mm (1.0 in)	48 years	55 of 100 (Notable)
9 May 1987	Whyanbeel Valley, AU	monthly rain	151.0 mm (5.9 in)	37.0 mm (1.5 in)	41 years	55 of 100 (Notable)
9 May 1987	Rzev, RU	daily rain	35.5 mm (1.4 in)	24.7 mm (1.0 in)	30 years	54 of 100 (Notable)
9 May 1987	Low Isles Lighthouse, AU	monthly rain	99.4 mm (3.9 in)	13.0 mm (0.5 in)	67 years	53 of 100 (Notable)
9 May 1987	Muttaburra, AU	daily rain	32.2 mm (1.3 in)	29.2 mm (1.1 in)	88 years	53 of 100 (Notable)
9 May 1987	Dandaragan West, AU	daily rain	57.0 mm (2.2 in)	40.7 mm (1.6 in)	26 years	51 of 100 (Notable)
9 May 1987	Tangorin, AU	daily rain	27.2 mm (1.1 in)	27.2 mm (1.1 in)	94 years	51 of 100 (Notable)
9 May 1987	Sahuaripa, MX	monthly rain	56.9 mm (2.2 in)	37.1 mm (1.5 in)	2 years	51 of 100 (Notable)
9 May 1987	Mossman Central Mill, AU	daily rain	54.2 mm (2.1 in)	32.4 mm (1.3 in)	56 years	50 of 100 (Notable)
9 May 1987	Hvojnaja, RU	daily rain	34.4 mm (1.4 in)	25.2 mm (1.0 in)	18 years	50 of 100 (Notable)
9 May 1987	Borovici, RU	daily rain	33.1 mm (1.3 in)	22.5 mm (0.9 in)	18 years	50 of 100 (Notable)
9 May 1987	Fallon Exp STN, US	daily rain	28.2 mm (1.1 in)	19.6 mm (0.8 in)	9 years	50 of 100 (Notable)
9 May 1987	Lahaina 361, US	daily low max	24.4 C (75.9 F)	3.4 C (6.1 F)	44 years	50 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 1987

Records set or tied on this calendar date in each year from 1793 to 1987. 1987 had 1,481 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 1987-05-09: 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 20	1,200
20 to 40	49
40 to 60	7
60 to 80	2
80 to 100	1
100 to 120	1