Weather Records on 12 May 1985

1,199 weather records were set or tied worldwide on 12 May 1985. Highest significance: Pokegama Dam, US.

Key Facts for 12 May 1985

On 12 May 1985, 1,199 weather records were set or tied at long-record stations worldwide.
485 were record highs and 331 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 46 monthly and 1,150 daily.
Pokegama Dam set a daily record precipitation of 58.7 mm (2.3 in) on 12 May 1985.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 448 records.

Record Map

1,199 stations

1,199 station records on 12 May 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pokegama Dam	United States	Record daily precipitation	58.7 mm (2.3 in)	72 of 100 (Major)
Mc Henry 3W	United States	Record daily precipitation	79.2 mm (3.1 in)	66 of 100 (Major)
Wanarie	Australia	Record daily precipitation	34.2 mm (1.3 in)	65 of 100 (Major)
Mandan Exp STN	United States	Record daily precipitation	72.6 mm (2.9 in)	65 of 100 (Major)
Beulah 1 W	United States	Record daily precipitation	103.6 mm (4.1 in)	63 of 100 (Major)
Grand Rapids Forestry Lab	United States	Record daily precipitation	50.8 mm (2.0 in)	60 of 100 (Major)
Austin Downs	Australia	Record daily precipitation	28.0 mm (1.1 in)	56 of 100 (Notable)
King Salmon	United States	Record daily snowfall	9.7 cm (3.8 in)	56 of 100 (Notable)
Chorozinho	Brazil	Record daily precipitation	70.2 mm (2.8 in)	53 of 100 (Notable)
Bismarck 7 N	United States	Record daily precipitation	63.0 mm (2.5 in)	53 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily precipitation	83.3 mm (3.3 in)	51 of 100 (Notable)
Foxholm 7 N	United States	Record daily precipitation	51.8 mm (2.0 in)	49 of 100 (Notable)
Elbow Lake 5 E	United States	Record daily precipitation	54.9 mm (2.2 in)	48 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	48.0 mm (1.9 in)	48 of 100 (Notable)
Wilton	United States	Record daily precipitation	86.4 mm (3.4 in)	48 of 100 (Notable)
Yampa	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Washburn	United States	Record daily precipitation	58.9 mm (2.3 in)	47 of 100 (Notable)
Murgoo	Australia	Record daily precipitation	28.0 mm (1.1 in)	45 of 100 (Notable)
Keosauqua	United States	Record daily precipitation	88.4 mm (3.5 in)	45 of 100 (Notable)
Pine Rvr Dam	United States	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Butte 5SE	United States	Record daily precipitation	58.4 mm (2.3 in)	45 of 100 (Notable)
Center 4SE	United States	Record daily precipitation	57.4 mm (2.3 in)	44 of 100 (Notable)
Zhengzhou	China	Record daily precipitation	86.9 mm (3.4 in)	43 of 100 (Notable)
Sveg	Sweden	Record snow depth	17.0 cm (6.7 in)	43 of 100 (Notable)
Red Lake Indian Agcy	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Dickinson Exp STN	United States	Record daily precipitation	62.2 mm (2.4 in)	42 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily precipitation	44.2 mm (1.7 in)	42 of 100 (Notable)
Eslohe	Germany	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
E Tawas	United States	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Ft Ripley	United States	Record daily precipitation	39.9 mm (1.6 in)	41 of 100 (Notable)
Gull Lake Dam	United States	Record daily precipitation	46.7 mm (1.8 in)	41 of 100 (Notable)
Dayton 1 WSW	United States	Record low minimum temperature	-3.3 C (26.1 F)	41 of 100 (Notable)
Perpignan	France	Record low minimum temperature	3.5 C (38.3 F)	40 of 100 (Notable)
Astana	Kazakhstan	Record low maximum temperature	-1.8 C (28.8 F)	40 of 100 (Notable)
Mahnomen	United States	Record daily precipitation	29.2 mm (1.1 in)	40 of 100 (Notable)
Devils Lake Kdlr	United States	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Ann Arbor U of Mich	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Pontiac Wwtp	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Campbell	United States	Record daily precipitation	38.4 mm (1.5 in)	39 of 100 (Notable)
Steele 4N	United States	Record daily precipitation	57.2 mm (2.3 in)	39 of 100 (Notable)
Towner 2 NE	United States	Record daily precipitation	41.4 mm (1.6 in)	39 of 100 (Notable)
Turtle Lake	United States	Record daily precipitation	75.2 mm (3.0 in)	39 of 100 (Notable)
S Haven	United States	Record high minimum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Whitefish Pt	United States	Record high minimum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
W Pt	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Max	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Meeker 5 W	United States	Record daily precipitation	103.4 mm (4.1 in)	38 of 100 (Notable)
Nikolaev	Ukraine	Record high minimum temperature	19.1 C (66.4 F)	37 of 100 (Notable)
Cambridge Water Trmt P	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Chestnut Hill	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Detour Village	United States	Record high minimum temperature	9.4 C (48.9 F)	37 of 100 (Notable)
Auburn	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Auburn	United States	Record high minimum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Franklinville	United States	Record high minimum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Willard 4 SW	United States	Record daily precipitation	43.7 mm (1.7 in)	37 of 100 (Notable)
Minot Exp STN	United States	Record daily precipitation	47.5 mm (1.9 in)	37 of 100 (Notable)
Hiram	United States	Record high minimum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Appleton	United States	Record high minimum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Anyang	China	Record daily precipitation	57.0 mm (2.2 in)	36 of 100 (Notable)
Princess Anne	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,199 records

Records set or tied on 12 May 1985 by type: Highest daily maximum 135, Lowest daily maximum 93, Highest daily minimum 350, Lowest daily minimum 238, Heaviest daily rainfall 367, Heaviest daily snowfall 7, Deepest snow cover 9.

Records on 12 May 1985 by type
Record type	Records
Highest daily maximum	135
Lowest daily maximum	93
Highest daily minimum	350
Lowest daily minimum	238
Heaviest daily rainfall	367
Heaviest daily snowfall	7
Deepest snow cover	9

Records on 12 May 1985 by timescale: all-time 3, monthly 46, daily 1,150.

How Much Records Were Beaten By

969 broken records

Margins by which the 969 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 204.0. Ties are not counted.

Top 20 by Significance

12 May 1985

Top 20 records on 12 May 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1985	Pokegama Dam, US	daily rain	58.7 mm (2.3 in)	42.2 mm (1.7 in)	76 years	72 of 100 (Major)
12 May 1985	Mc Henry 3W, US	monthly rain	79.2 mm (3.1 in)	28.4 mm (1.1 in)	41 years	66 of 100 (Major)
12 May 1985	Wanarie, AU	daily rain	34.2 mm (1.3 in)	30.9 mm (1.2 in)	60 years	65 of 100 (Major)
12 May 1985	Mandan Exp STN, US	monthly rain	72.6 mm (2.9 in)	21.3 mm (0.8 in)	69 years	65 of 100 (Major)
12 May 1985	Beulah 1 W, US	monthly rain	103.6 mm (4.1 in)	33.5 mm (1.3 in)	24 years	63 of 100 (Major)
12 May 1985	Grand Rapids Forestry Lab, US	daily rain	50.8 mm (2.0 in)	32.8 mm (1.3 in)	50 years	60 of 100 (Major)
12 May 1985	Austin Downs, AU	daily rain	28.0 mm (1.1 in)	25.5 mm (1.0 in)	60 years	56 of 100 (Notable)
12 May 1985	King Salmon, US	monthly snowfall	9.7 cm (3.8 in)	5.1 cm (2.0 in)	8 years	56 of 100 (Notable)
12 May 1985	Chorozinho, BR	daily rain	70.2 mm (2.8 in)	46.7 mm (1.8 in)	40 years	53 of 100 (Notable)
12 May 1985	Bismarck 7 N, US	monthly rain	63.0 mm (2.5 in)	23.4 mm (0.9 in)	31 years	53 of 100 (Notable)
12 May 1985	Mt Pleasant 1 SW, US	daily rain	83.3 mm (3.3 in)	26.7 mm (1.1 in)	64 years	51 of 100 (Notable)
12 May 1985	Foxholm 7 N, US	daily rain	51.8 mm (2.0 in)	28.4 mm (1.1 in)	22 years	49 of 100 (Notable)
12 May 1985	Elbow Lake 5 E, US	daily rain	54.9 mm (2.2 in)	38.4 mm (1.5 in)	22 years	48 of 100 (Notable)
12 May 1985	Morris W Cntrl Rsch & Outreach, US	daily rain	48.0 mm (1.9 in)	21.8 mm (0.9 in)	55 years	48 of 100 (Notable)
12 May 1985	Wilton, US	monthly rain	86.4 mm (3.4 in)	16.5 mm (0.6 in)	58 years	48 of 100 (Notable)
12 May 1985	Yampa, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	76 years	47 of 100 (Notable)
12 May 1985	Washburn, US	monthly rain	58.9 mm (2.3 in)	5.6 mm (0.22 in)	73 years	47 of 100 (Notable)
12 May 1985	Murgoo, AU	daily rain	28.0 mm (1.1 in)	25.0 mm (1.0 in)	28 years	45 of 100 (Notable)
12 May 1985	Keosauqua, US	daily rain	88.4 mm (3.5 in)	22.6 mm (0.9 in)	64 years	45 of 100 (Notable)
12 May 1985	Pine Rvr Dam, US	daily rain	45.2 mm (1.8 in)	13.7 mm (0.5 in)	80 years	45 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

1814 to 1985

Records set or tied on this calendar date in each year from 1814 to 1985. 1985 had 1,199 records.

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

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 1985-05-12: 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	960
50 to 100	7
100 to 150	1
150 to 200	0
200 to 250	1