Weather Records on 17 May 1985

561 weather records were set or tied worldwide on 17 May 1985. Highest significance: Snow Hill 4 N, US.

Key Facts for 17 May 1985

On 17 May 1985, 561 weather records were set or tied at long-record stations worldwide.
170 were record highs and 104 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 553 daily.
Snow Hill 4 N set a daily record precipitation of 55.9 mm (2.2 in) on 17 May 1985.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 434 records.

Record Map

561 stations

561 station records on 17 May 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 May 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Snow Hill 4 N	United States	Record daily precipitation	55.9 mm (2.2 in)	60 of 100 (Major)
Shorja	Armenia	Record daily precipitation	34.5 mm (1.4 in)	59 of 100 (Notable)
Marnhull	Australia	Record daily precipitation	47.0 mm (1.9 in)	59 of 100 (Notable)
Jingi Jingi	Australia	Record daily precipitation	47.2 mm (1.9 in)	55 of 100 (Notable)
Chambarak	Armenia	Record daily precipitation	29.9 mm (1.2 in)	49 of 100 (Notable)
Chestertown	United States	Record daily precipitation	42.7 mm (1.7 in)	48 of 100 (Notable)
Wilhelmina Rise 721	United States	Record daily precipitation	47.2 mm (1.9 in)	46 of 100 (Notable)
Tapalpa (Smn)	Mexico	Record daily precipitation	42.9 mm (1.7 in)	45 of 100 (Notable)
Bridgeville 1 NW	United States	Record daily precipitation	74.2 mm (2.9 in)	45 of 100 (Notable)
Wilmington Porter Rsch	United States	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Adjuntas 2 NW	Puerto Rico [United States]	Record daily precipitation	121.9 mm (4.8 in)	43 of 100 (Notable)
Elgin Downs	Australia	Record daily precipitation	34.0 mm (1.3 in)	41 of 100 (Notable)
Maryvale Station	Australia	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Mullaley (Bando)	Australia	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Millville Muni AP	United States	Record daily precipitation	50.5 mm (2.0 in)	40 of 100 (Notable)
Mount McConnell	Australia	Record daily precipitation	37.0 mm (1.5 in)	39 of 100 (Notable)
Nikolaevsk-Na-Amure	Russia	Record high minimum temperature	5.9 C (42.6 F)	38 of 100 (Notable)
Twin Hills Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	37 of 100 (Notable)
Goombungee Post Office	Australia	Record daily precipitation	44.0 mm (1.7 in)	37 of 100 (Notable)
Ravenswood Post Office	Australia	Record daily precipitation	52.2 mm (2.1 in)	36 of 100 (Notable)
Juana Diaz Camp	Puerto Rico [United States]	Record daily precipitation	69.6 mm (2.7 in)	36 of 100 (Notable)
Moscow U of I	United States	Record high minimum temperature	12.2 C (54.0 F)	36 of 100 (Notable)
1 ENE Fairfield	United States	Record low maximum temperature	13.9 C (57.0 F)	36 of 100 (Notable)
Brookhaven City	United States	Record low minimum temperature	5.6 C (42.1 F)	36 of 100 (Notable)
Dover	United States	Record daily precipitation	27.4 mm (1.1 in)	35 of 100 (Notable)
Mount Wilkin	Australia	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Ft Pierce	United States	Record high maximum temperature	33.9 C (93.0 F)	34 of 100 (Routine)
1 WSW Princeton	United States	Record low maximum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Princess Anne	United States	Record daily precipitation	37.3 mm (1.5 in)	34 of 100 (Routine)
Caruthersville	United States	Record low maximum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Manoa 712.1	United States	Record daily precipitation	29.2 mm (1.1 in)	32 of 100 (Routine)
Wailuku 386	United States	Record daily precipitation	32.3 mm (1.3 in)	32 of 100 (Routine)
Songkhla	Thailand	Record daily precipitation	42.8 mm (1.7 in)	31 of 100 (Routine)
Towson	United States	Record low maximum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
Richland	United States	Record high minimum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Bell Store	Australia	Record daily precipitation	34.6 mm (1.4 in)	30 of 100 (Routine)
Combolcha	Ethiopia	Record low minimum temperature	7.5 C (45.5 F)	30 of 100 (Routine)
Caonillas Utuado	Puerto Rico [United States]	Record daily precipitation	101.6 mm (4.0 in)	30 of 100 (Routine)
Ashland	United States	Record daily precipitation	26.7 mm (1.1 in)	30 of 100 (Routine)
Vienna	United States	Record daily precipitation	41.7 mm (1.6 in)	30 of 100 (Routine)
Timberville 3 E	United States	Record daily precipitation	40.9 mm (1.6 in)	30 of 100 (Routine)
Sedro-Woolley	United States	Record high minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Fantan	Armenia	Record daily precipitation	33.8 mm (1.3 in)	29 of 100 (Routine)
Cape Tribulation Store	Australia	Record daily precipitation	83.0 mm (3.3 in)	29 of 100 (Routine)
Jimbour State School	Australia	Record daily precipitation	37.2 mm (1.5 in)	29 of 100 (Routine)
Huamuxtitlan (Dge)	Mexico	Record daily precipitation	29.7 mm (1.2 in)	29 of 100 (Routine)
Crescent City	United States	Record high maximum temperature	36.1 C (97.0 F)	29 of 100 (Routine)
Woodstock	United States	Record daily precipitation	39.6 mm (1.6 in)	29 of 100 (Routine)
Carlsbad Caverns	United States	Record daily precipitation	41.4 mm (1.6 in)	29 of 100 (Routine)
Fernflat	Australia	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Tacambaro	Mexico	Record daily precipitation	42.9 mm (1.7 in)	28 of 100 (Routine)
Vladikavkaz	Russia	Record high minimum temperature	14.6 C (58.3 F)	28 of 100 (Routine)
Beregovo	Ukraine	Record daily precipitation	28.8 mm (1.1 in)	28 of 100 (Routine)
Cheraw	United States	Record daily precipitation	32.0 mm (1.3 in)	28 of 100 (Routine)
Moogerah Dam	Australia	Record daily precipitation	29.8 mm (1.2 in)	27 of 100 (Routine)
La Purisima	Mexico	Record high minimum temperature	21.7 C (71.1 F)	27 of 100 (Routine)
Zolotoj	Russia	Record high maximum temperature	29.2 C (84.6 F)	27 of 100 (Routine)
Hancock	United States	Record daily precipitation	25.1 mm (1.0 in)	27 of 100 (Routine)
Pedlar Dam	United States	Record daily precipitation	49.8 mm (2.0 in)	27 of 100 (Routine)
Piedmont Rsch STN	United States	Record daily precipitation	52.8 mm (2.1 in)	27 of 100 (Routine)

Counts by Type and Timescale

561 records

Records set or tied on 17 May 1985 by type: Highest daily maximum 69, Lowest daily maximum 58, Highest daily minimum 101, Lowest daily minimum 46, Heaviest daily rainfall 279, Heaviest daily snowfall 5, Deepest snow cover 3.

Records on 17 May 1985 by type
Record type	Records
Highest daily maximum	69
Lowest daily maximum	58
Highest daily minimum	101
Lowest daily minimum	46
Heaviest daily rainfall	279
Heaviest daily snowfall	5
Deepest snow cover	3

Records on 17 May 1985 by timescale: all-time 0, monthly 8, daily 553.

How Much Records Were Beaten By

471 broken records

Margins by which the 471 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.5. Ties are not counted.

Top 20 by Significance

17 May 1985

Top 20 records on 17 May 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 1985	Snow Hill 4 N, US	daily rain	55.9 mm (2.2 in)	43.2 mm (1.7 in)	44 years	60 of 100 (Major)
17 May 1985	Shorja, AM	daily rain	34.5 mm (1.4 in)	23.0 mm (0.9 in)	48 years	59 of 100 (Notable)
17 May 1985	Marnhull, AU	daily rain	47.0 mm (1.9 in)	39.6 mm (1.6 in)	67 years	59 of 100 (Notable)
17 May 1985	Jingi Jingi, AU	daily rain	47.2 mm (1.9 in)	35.0 mm (1.4 in)	59 years	55 of 100 (Notable)
17 May 1985	Chambarak, AM	daily rain	29.9 mm (1.2 in)	16.3 mm (0.6 in)	47 years	49 of 100 (Notable)
17 May 1985	Chestertown, US	daily rain	42.7 mm (1.7 in)	15.3 mm (0.6 in)	85 years	48 of 100 (Notable)
17 May 1985	Wilhelmina Rise 721, US	daily rain	47.2 mm (1.9 in)	40.1 mm (1.6 in)	11 years	46 of 100 (Notable)
17 May 1985	Tapalpa (Smn), MX	daily rain	42.9 mm (1.7 in)	23.1 mm (0.9 in)	58 years	45 of 100 (Notable)
17 May 1985	Bridgeville 1 NW, US	daily rain	74.2 mm (2.9 in)	29.0 mm (1.1 in)	43 years	45 of 100 (Notable)
17 May 1985	Wilmington Porter Rsch, US	daily rain	50.8 mm (2.0 in)	31.7 mm (1.2 in)	43 years	45 of 100 (Notable)
17 May 1985	Adjuntas 2 NW, PR	daily rain	121.9 mm (4.8 in)	66.5 mm (2.6 in)	22 years	43 of 100 (Notable)
17 May 1985	Elgin Downs, AU	daily rain	34.0 mm (1.3 in)	15.7 mm (0.6 in)	78 years	41 of 100 (Notable)
17 May 1985	Maryvale Station, AU	daily rain	25.0 mm (1.0 in)	21.7 mm (0.9 in)	52 years	40 of 100 (Notable)
17 May 1985	Mullaley (Bando), AU	daily rain	28.7 mm (1.1 in)	3.3 mm (0.13 in)	94 years	40 of 100 (Notable)
17 May 1985	Millville Muni AP, US	daily rain	50.5 mm (2.0 in)	29.9 mm (1.2 in)	32 years	40 of 100 (Notable)
17 May 1985	Mount McConnell, AU	daily rain	37.0 mm (1.5 in)	15.2 mm (0.6 in)	78 years	39 of 100 (Notable)
17 May 1985	Nikolaevsk-Na-Amure, RU	daily high min	5.9 C (42.6 F)	1.0 C (1.8 F)	84 years	38 of 100 (Notable)
17 May 1985	Twin Hills Post Office, AU	daily rain	31.8 mm (1.3 in)	9.4 mm (0.37 in)	78 years	37 of 100 (Notable)
17 May 1985	Goombungee Post Office, AU	daily rain	44.0 mm (1.7 in)	22.7 mm (0.9 in)	32 years	37 of 100 (Notable)
17 May 1985	Ravenswood Post Office, AU	daily rain	52.2 mm (2.1 in)	4.7 mm (0.19 in)	78 years	36 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

1802 to 1985

Records set or tied on this calendar date in each year from 1802 to 1985. 1985 had 561 records.

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

Records on 05-17 in each year
Year	Records
1802	2
1803	1
1808	1
1816	1
1834	1
1837	1
1839	1
1847	2
1848	1
1851	1
1853	1
1855	1
1858	1
1859	1
1861	2
1862	2
1863	2
1864	1
1871	2
1872	2
1873	2
1874	4
1877	1
1878	1
1879	2
1880	1
1881	1
1882	2
1883	3
1885	1
1887	1
1888	2
1889	3
1891	8
1892	4
1893	3
1895	8
1896	2
1897	3
1898	6
1899	7
1900	12
1901	2
1902	3
1903	9
1904	12
1905	10
1906	22
1907	10
1908	5
1909	33
1910	16
1911	30
1912	16
1913	24
1914	24
1915	53
1916	49
1917	18
1918	56
1919	35
1920	46
1921	50
1922	30
1923	95
1924	80
1925	326
1926	133
1927	264
1928	127
1929	168
1930	421
1931	201
1932	288
1933	365
1934	373
1935	341
1936	270
1937	183
1938	340
1939	285
1940	338
1941	408
1942	589
1943	855
1944	521
1945	799
1946	586
1947	249
1948	412
1949	544
1950	371
1951	373
1952	777
1953	441
1954	298
1955	570
1956	1,166
1957	469
1958	331
1959	488
1960	402
1961	291
1962	1,325
1963	368
1964	417
1965	462
1966	489
1967	644
1968	564
1969	638
1970	711
1971	723
1972	610
1973	1,016
1974	1,302
1975	365
1976	426
1977	1,078
1978	872
1979	459
1980	768
1981	940
1982	476
1983	1,326
1984	925
1985	561
1986	921
1987	1,054
1988	1,096
1989	1,307
1990	1,135
1991	1,237
1992	1,025
1993	495
1994	858
1995	1,734
1996	1,706
1997	1,619
1998	1,080
1999	795
2000	825
2001	960
2002	964
2003	1,127
2004	769
2005	784
2006	1,522
2007	742
2008	1,309
2009	1,050
2010	880
2011	1,483
2012	711
2013	739
2014	1,062
2015	824
2016	741
2017	1,302
2018	726
2019	686
2020	496
2021	443
2022	479
2023	385
2024	566
2025	928
2026	745

Download the Data

Data for records on 1985-05-17: 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	370
10 to 20	67
20 to 30	23
30 to 40	5
40 to 50	4
50 to 60	1
60 to 70	1