Weather Records on 9 May 1985

829 weather records were set or tied worldwide on 9 May 1985. Highest significance: Booby Island Lighthouse, AU.

Key Facts for 9 May 1985

On 9 May 1985, 829 weather records were set or tied at long-record stations worldwide.
402 were record highs and 230 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 19 monthly and 808 daily.
Booby Island Lighthouse set a daily record precipitation of 54.0 mm (2.1 in) on 9 May 1985.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 430 records.

Record Map

829 stations

829 station records on 9 May 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 May 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Booby Island Lighthouse	Australia	Record daily precipitation	54.0 mm (2.1 in)	69 of 100 (Major)
Liepaja	Latvia	Record daily precipitation	62.4 mm (2.5 in)	69 of 100 (Major)
Sveg	Sweden	Record snow depth	40.0 cm (15.7 in)	57 of 100 (Notable)
Pahoa 65	United States	Record daily precipitation	85.3 mm (3.4 in)	55 of 100 (Notable)
Alto Uruguai	Brazil	Record daily precipitation	126.0 mm (5.0 in)	54 of 100 (Notable)
Pianco	Brazil	Record daily precipitation	62.6 mm (2.5 in)	50 of 100 (Notable)
Eagle	United States	Record snow depth	15.2 cm (6.0 in)	48 of 100 (Notable)
Tanana AP	United States	Record snow depth	48.3 cm (19.0 in)	43 of 100 (Notable)
Aurukun Shire Council	Australia	Record daily precipitation	40.0 mm (1.6 in)	42 of 100 (Notable)
Santa Clara Do Ingai	Brazil	Record daily precipitation	109.0 mm (4.3 in)	42 of 100 (Notable)
Covington	United States	Record low maximum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Wessington Springs	United States	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Marquette	United States	Record high maximum temperature	31.7 C (89.1 F)	42 of 100 (Notable)
Mooramin	Australia	Record daily precipitation	40.0 mm (1.6 in)	41 of 100 (Notable)
Rheinfelden	Germany	Record daily precipitation	37.0 mm (1.5 in)	40 of 100 (Notable)
Gettysburg	United States	Record high maximum temperature	33.3 C (91.9 F)	40 of 100 (Notable)
Leola	United States	Record high maximum temperature	34.4 C (93.9 F)	40 of 100 (Notable)
Ookala 223	United States	Record daily precipitation	81.3 mm (3.2 in)	40 of 100 (Notable)
Supai	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Little Falls 2NNE	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Attu	United States	Record low minimum temperature	-5.0 C (23.0 F)	39 of 100 (Notable)
Erebango	Brazil	Record daily precipitation	153.2 mm (6.0 in)	38 of 100 (Notable)
Prata	Brazil	Record daily precipitation	70.0 mm (2.8 in)	38 of 100 (Notable)
Nakhon Ratchasima	Thailand	Record daily precipitation	67.4 mm (2.7 in)	38 of 100 (Notable)
Elberton 2 N	United States	Record low maximum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Brevard	United States	Record low maximum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Menno	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Webster	United States	Record high minimum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Cornwall	United States	Record low minimum temperature	-4.4 C (24.1 F)	38 of 100 (Notable)
Hallock	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Newberry	United States	Record low maximum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Walhalla	United States	Record low maximum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Kennebec	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Webster	United States	Record high maximum temperature	28.9 C (84.0 F)	37 of 100 (Notable)
Huron Rgnl AP	United States	Record high minimum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Palmerville	Australia	Record high minimum temperature	23.0 C (73.4 F)	36 of 100 (Notable)
Breona	Australia	Record daily precipitation	49.2 mm (1.9 in)	35 of 100 (Notable)
Dickinson Exp STN	United States	Record high maximum temperature	31.1 C (88.0 F)	35 of 100 (Notable)
Pomeroy	United States	Record low minimum temperature	-3.9 C (25.0 F)	35 of 100 (Notable)
Hagenbuchach	Germany	Record daily precipitation	26.0 mm (1.0 in)	34 of 100 (Routine)
Kisinev	Moldova	Record high maximum temperature	29.0 C (84.2 F)	34 of 100 (Routine)
Mesa	United States	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Montezuma 2 NW	United States	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Toccoa	United States	Record low maximum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Clemson UNIV	United States	Record low maximum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Buzau	Romania	Record high maximum temperature	31.4 C (88.5 F)	33 of 100 (Routine)
Uman	Ukraine	Record high maximum temperature	29.5 C (85.1 F)	33 of 100 (Routine)
La Grange 1N	United States	Record low maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Hendersonville 1 NE	United States	Record low maximum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Santuck	United States	Record low maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Sisseton	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Beaver	United States	Record high minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Rest Lake	United States	Record high minimum temperature	15.0 C (59.0 F)	33 of 100 (Routine)
Whitefish Pt	United States	Record high maximum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Minot Exp STN	United States	Record high maximum temperature	30.6 C (87.1 F)	32 of 100 (Routine)
Ashland Exp Farm	United States	Record high minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Waiakea Scd 88.2	United States	Record daily precipitation	74.2 mm (2.9 in)	32 of 100 (Routine)
Roth Bei Nurnberg	Germany	Record daily precipitation	27.5 mm (1.1 in)	31 of 100 (Routine)
Schopfheim-Eichen	Germany	Record daily precipitation	28.7 mm (1.1 in)	31 of 100 (Routine)
Ahuatepec	Mexico	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)

Counts by Type and Timescale

829 records

Records set or tied on 9 May 1985 by type: Highest daily maximum 178, Lowest daily maximum 106, Highest daily minimum 224, Lowest daily minimum 124, Heaviest daily rainfall 178, Heaviest daily snowfall 10, Deepest snow cover 9.

Records on 9 May 1985 by type
Record type	Records
Highest daily maximum	178
Lowest daily maximum	106
Highest daily minimum	224
Lowest daily minimum	124
Heaviest daily rainfall	178
Heaviest daily snowfall	10
Deepest snow cover	9

Records on 9 May 1985 by timescale: all-time 2, monthly 19, daily 808.

How Much Records Were Beaten By

642 broken records

Margins by which the 642 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

9 May 1985

Top 20 records on 9 May 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 May 1985	Booby Island Lighthouse, AU	daily rain	54.0 mm (2.1 in)	47.6 mm (1.9 in)	76 years	69 of 100 (Major)
9 May 1985	Liepaja, LV	monthly rain	62.4 mm (2.5 in)	29.7 mm (1.2 in)	32 years	69 of 100 (Major)
9 May 1985	Sveg, SE	daily snow depth	40.0 cm (15.7 in)	28.0 cm (11.0 in)	68 years	57 of 100 (Notable)
9 May 1985	Pahoa 65, US	daily rain	85.3 mm (3.4 in)	51.0 mm (2.0 in)	35 years	55 of 100 (Notable)
9 May 1985	Alto Uruguai, BR	monthly rain	126.0 mm (5.0 in)	55.5 mm (2.2 in)	6 years	54 of 100 (Notable)
9 May 1985	Pianco, BR	daily rain	62.6 mm (2.5 in)	36.3 mm (1.4 in)	63 years	50 of 100 (Notable)
9 May 1985	Eagle, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	83 years	48 of 100 (Notable)
9 May 1985	Tanana AP, US	daily snow depth	48.3 cm (19.0 in)	28.0 cm (11.0 in)	36 years	43 of 100 (Notable)
9 May 1985	Aurukun Shire Council, AU	daily rain	40.0 mm (1.6 in)	29.8 mm (1.2 in)	19 years	42 of 100 (Notable)
9 May 1985	Santa Clara Do Ingai, BR	daily rain	109.0 mm (4.3 in)	60.4 mm (2.4 in)	39 years	42 of 100 (Notable)
9 May 1985	Covington, US	daily low max	16.1 C (61.0 F)	3.9 C (7.0 F)	82 years	42 of 100 (Notable)
9 May 1985	Wessington Springs, US	daily high min	17.2 C (63.0 F)	3.3 C (5.9 F)	88 years	42 of 100 (Notable)
9 May 1985	Marquette, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	97 years	42 of 100 (Notable)
9 May 1985	Mooramin, AU	daily rain	40.0 mm (1.6 in)	40.0 mm (1.6 in)	54 years	41 of 100 (Notable)
9 May 1985	Rheinfelden, DE	daily rain	37.0 mm (1.5 in)	27.8 mm (1.1 in)	3 years	40 of 100 (Notable)
9 May 1985	Gettysburg, US	daily high max	33.3 C (91.9 F)	5.0 C (9.0 F)	84 years	40 of 100 (Notable)
9 May 1985	Leola, US	daily high max	34.4 C (93.9 F)	4.4 C (7.9 F)	85 years	40 of 100 (Notable)
9 May 1985	Ookala 223, US	daily rain	81.3 mm (3.2 in)	50.8 mm (2.0 in)	28 years	40 of 100 (Notable)
9 May 1985	Supai, US	daily high min	18.9 C (66.0 F)	2.8 C (5.0 F)	84 years	39 of 100 (Notable)
9 May 1985	Little Falls 2NNE, US	daily high min	18.3 C (64.9 F)	6.1 C (11.0 F)	64 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

1793 to 1985

Records set or tied on this calendar date in each year from 1793 to 1985. 1985 had 829 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 1985-05-09: 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 50	629
50 to 100	6
100 to 150	2
150 to 200	2
200 to 250	1
250 to 300	2