Weather Records on 1 May 1985

789 weather records were set or tied worldwide on 1 May 1985. Highest significance: Haleyville, US.

Key Facts for 1 May 1985

On 1 May 1985, 789 weather records were set or tied at long-record stations worldwide.
379 were record highs and 132 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 55 monthly and 733 daily.
Haleyville set a daily record precipitation of 110.0 mm (4.3 in) on 1 May 1985.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 440 records.

Record Map

789 stations

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

Weather records on 1 May 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Haleyville	United States	Record daily precipitation	110.0 mm (4.3 in)	59 of 100 (Notable)
Kerki	Turkmenistan	Record daily precipitation	33.3 mm (1.3 in)	57 of 100 (Notable)
Charters Towers Post Office	Australia	Record high maximum temperature	39.0 C (102.2 F)	53 of 100 (Notable)
Carbon Hill 4SE	United States	Record daily precipitation	75.9 mm (3.0 in)	51 of 100 (Notable)
Luz (Estacao)	Brazil	Record daily precipitation	46.7 mm (1.8 in)	48 of 100 (Notable)
Vila Prosperidade (Gm)	Brazil	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Dayton Intl AP	United States	Record daily precipitation	47.2 mm (1.9 in)	47 of 100 (Notable)
Rtiscevo	Russia	Record daily precipitation	41.6 mm (1.6 in)	46 of 100 (Notable)
Sihccajavri	Norway	Record low minimum temperature	-24.5 C (-12.1 F)	45 of 100 (Notable)
Abasolo	Mexico	Record daily precipitation	36.3 mm (1.4 in)	44 of 100 (Notable)
Karlshamn	Sweden	Record low maximum temperature	3.7 C (38.7 F)	43 of 100 (Notable)
Saratow	Russia	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Onaga	United States	Record daily precipitation	91.9 mm (3.6 in)	41 of 100 (Notable)
Setauket Strong	United States	Record high minimum temperature	15.0 C (59.0 F)	41 of 100 (Notable)
Tanana AP	United States	Record snow depth	71.1 cm (28.0 in)	40 of 100 (Notable)
Ashland	United States	Record daily precipitation	78.0 mm (3.1 in)	39 of 100 (Notable)
Arneiroz	Brazil	Record daily precipitation	80.0 mm (3.1 in)	38 of 100 (Notable)
Barrocada	Brazil	Record daily precipitation	51.1 mm (2.0 in)	38 of 100 (Notable)
Todos Santos (Dge)	Mexico	Record low minimum temperature	0.0 C (32.0 F)	38 of 100 (Notable)
Engordador	Brazil	Record daily precipitation	51.0 mm (2.0 in)	37 of 100 (Notable)
Instituto Biologico	Brazil	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Flahult	Sweden	Record low maximum temperature	1.5 C (34.7 F)	37 of 100 (Notable)
Orebro	Sweden	Record low maximum temperature	2.7 C (36.9 F)	37 of 100 (Notable)
Plainfield	United States	Record high maximum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
Ocampo	Mexico	Record daily precipitation	49.3 mm (1.9 in)	36 of 100 (Notable)
Steffenville	United States	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Caucaia Do Alto	Brazil	Record daily precipitation	34.7 mm (1.4 in)	35 of 100 (Notable)
Haljum	Sweden	Record daily precipitation	35.0 mm (1.4 in)	35 of 100 (Notable)
Oakley	United States	Record high maximum temperature	29.4 C (84.9 F)	34 of 100 (Routine)
Indian Mills 2 W	United States	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Sedgefield (Bundajon)	Australia	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Itariri	Brazil	Record daily precipitation	56.7 mm (2.2 in)	33 of 100 (Routine)
Cartersville	United States	Record daily precipitation	46.7 mm (1.8 in)	33 of 100 (Routine)
Indaiatuba	Brazil	Record daily precipitation	32.2 mm (1.3 in)	32 of 100 (Routine)
Bolivar 1 NE	United States	Record daily precipitation	33.5 mm (1.3 in)	32 of 100 (Routine)
Caplinger Mills	United States	Record daily precipitation	49.5 mm (1.9 in)	32 of 100 (Routine)
Lacrosse	United States	Record high maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Mansfield Lahm Rgnl AP	United States	Record daily precipitation	31.5 mm (1.2 in)	32 of 100 (Routine)
Pirapitingui	Brazil	Record daily precipitation	37.0 mm (1.5 in)	31 of 100 (Routine)
Turkestan	Kazakhstan	Record high minimum temperature	17.1 C (62.8 F)	31 of 100 (Routine)
Hialeah	United States	Record low minimum temperature	8.3 C (46.9 F)	31 of 100 (Routine)
Valparaiso	United States	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Mairipora	Brazil	Record daily precipitation	30.5 mm (1.2 in)	30 of 100 (Routine)
Bentley	United States	Record daily precipitation	49.8 mm (2.0 in)	30 of 100 (Routine)
La Harpe	United States	Record daily precipitation	33.8 mm (1.3 in)	30 of 100 (Routine)
Elwood	United States	Record daily precipitation	39.1 mm (1.5 in)	30 of 100 (Routine)
Keokuk L&D 19	United States	Record daily precipitation	46.5 mm (1.8 in)	30 of 100 (Routine)
Cincinnati/Northern Kentucky I	United States	Record daily precipitation	61.2 mm (2.4 in)	30 of 100 (Routine)
Santo Amaro	Brazil	Record daily precipitation	30.7 mm (1.2 in)	29 of 100 (Routine)
Oujda	Morocco	Record high minimum temperature	14.4 C (57.9 F)	29 of 100 (Routine)
Winfield 2 SW	United States	Record daily precipitation	59.2 mm (2.3 in)	29 of 100 (Routine)
Golden	United States	Record daily precipitation	44.5 mm (1.8 in)	29 of 100 (Routine)
Babb 6 NE	United States	Record high maximum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Diversion Dam	United States	Record high minimum temperature	11.1 C (52.0 F)	29 of 100 (Routine)
Combolcha	Ethiopia	Record low minimum temperature	6.4 C (43.5 F)	28 of 100 (Routine)
Bodoe VI	Norway	Record snow depth	12.0 cm (4.7 in)	28 of 100 (Routine)
Sankt_Olof	Sweden	Record low maximum temperature	2.0 C (35.6 F)	28 of 100 (Routine)
Prastkulla	Sweden	Record low maximum temperature	1.0 C (33.8 F)	28 of 100 (Routine)
Plymouth-Kingston	United States	Record high maximum temperature	28.9 C (84.0 F)	28 of 100 (Routine)
St George	United States	Record high maximum temperature	36.1 C (97.0 F)	28 of 100 (Routine)

Counts by Type and Timescale

789 records

Records set or tied on 1 May 1985 by type: Highest daily maximum 256, Lowest daily maximum 83, Highest daily minimum 123, Lowest daily minimum 49, Heaviest daily rainfall 265, Heaviest daily snowfall 1, Deepest snow cover 12.

Records on 1 May 1985 by type
Record type	Records
Highest daily maximum	256
Lowest daily maximum	83
Highest daily minimum	123
Lowest daily minimum	49
Heaviest daily rainfall	265
Heaviest daily snowfall	1
Deepest snow cover	12

Records on 1 May 1985 by timescale: all-time 1, monthly 55, daily 733.

How Much Records Were Beaten By

626 broken records

Margins by which the 626 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

1 May 1985

Top 20 records on 1 May 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1985	Haleyville, US	daily rain	110.0 mm (4.3 in)	86.6 mm (3.4 in)	38 years	59 of 100 (Notable)
1 May 1985	Kerki, TM	daily rain	33.3 mm (1.3 in)	27.7 mm (1.1 in)	43 years	57 of 100 (Notable)
1 May 1985	Charters Towers Post Office, AU	monthly high max	39.0 C (102.2 F)	4.3 C (7.7 F)	59 years	53 of 100 (Notable)
1 May 1985	Carbon Hill 4SE, US	daily rain	75.9 mm (3.0 in)	50.5 mm (2.0 in)	44 years	51 of 100 (Notable)
1 May 1985	Luz (Estacao), BR	daily rain	46.7 mm (1.8 in)	23.1 mm (0.9 in)	72 years	48 of 100 (Notable)
1 May 1985	Vila Prosperidade (Gm), BR	daily rain	44.5 mm (1.8 in)	34.7 mm (1.4 in)	28 years	48 of 100 (Notable)
1 May 1985	Dayton Intl AP, US	daily rain	47.2 mm (1.9 in)	33.0 mm (1.3 in)	31 years	47 of 100 (Notable)
1 May 1985	Rtiscevo, RU	daily rain	41.6 mm (1.6 in)	15.7 mm (0.6 in)	48 years	46 of 100 (Notable)
1 May 1985	Sihccajavri, NO	monthly low min	-24.5 C (-12.1 F)	3.8 C (6.8 F)	69 years	45 of 100 (Notable)
1 May 1985	Abasolo, MX	daily rain	36.3 mm (1.4 in)	29.4 mm (1.2 in)	16 years	44 of 100 (Notable)
1 May 1985	Karlshamn, SE	monthly low max	3.7 C (38.7 F)	0.8 C (1.4 F)	75 years	43 of 100 (Notable)
1 May 1985	Saratow, RU	daily rain	27.9 mm (1.1 in)	15.9 mm (0.6 in)	40 years	41 of 100 (Notable)
1 May 1985	Onaga, US	daily rain	91.9 mm (3.6 in)	62.7 mm (2.5 in)	12 years	41 of 100 (Notable)
1 May 1985	Setauket Strong, US	daily high min	15.0 C (59.0 F)	1.1 C (2.0 F)	93 years	41 of 100 (Notable)
1 May 1985	Tanana AP, US	daily snow depth	71.1 cm (28.0 in)	30.5 cm (12.0 in)	18 years	40 of 100 (Notable)
1 May 1985	Ashland, US	daily rain	78.0 mm (3.1 in)	50.1 mm (2.0 in)	18 years	39 of 100 (Notable)
1 May 1985	Arneiroz, BR	monthly rain	80.0 mm (3.1 in)	19.9 mm (0.8 in)	15 years	38 of 100 (Notable)
1 May 1985	Barrocada, BR	daily rain	51.1 mm (2.0 in)	27.5 mm (1.1 in)	24 years	38 of 100 (Notable)
1 May 1985	Todos Santos (Dge), MX	all-time low min	0.0 C (32.0 F)	3.9 C (7.0 F)	1 year	38 of 100 (Notable)
1 May 1985	Engordador, BR	daily rain	51.0 mm (2.0 in)	29.0 mm (1.1 in)	24 years	37 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 1985

Records set or tied on this calendar date in each year from 1795 to 1985. 1985 had 789 records.

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

Records on 05-01 in each year
Year	Records
1795	1
1802	1
1804	1
1814	1
1818	1
1835	1
1836	1
1840	1
1846	2
1847	1
1850	1
1851	1
1857	1
1860	1
1861	1
1864	2
1865	1
1868	2
1872	1
1875	4
1878	2
1879	2
1880	3
1881	2
1884	1
1885	1
1886	2
1887	2
1888	2
1889	3
1890	2
1891	5
1892	6
1893	2
1894	5
1896	1
1897	4
1898	1
1899	8
1900	1
1901	5
1902	7
1903	9
1904	9
1905	13
1906	12
1907	31
1908	20
1909	49
1910	13
1911	22
1912	18
1913	54
1914	23
1915	27
1916	27
1917	37
1918	34
1919	150
1920	186
1921	41
1922	92
1923	64
1924	63
1925	118
1926	500
1927	125
1928	190
1929	142
1930	263
1931	537
1932	220
1933	706
1934	305
1935	276
1936	368
1937	218
1938	304
1939	227
1940	731
1941	333
1942	1,036
1943	526
1944	229
1945	350
1946	415
1947	655
1948	774
1949	405
1950	439
1951	894
1952	557
1953	917
1954	1,506
1955	772
1956	1,106
1957	359
1958	448
1959	764
1960	737
1961	588
1962	615
1963	704
1964	312
1965	360
1966	707
1967	948
1968	426
1969	429
1970	1,075
1971	444
1972	562
1973	841
1974	589
1975	286
1976	673
1977	545
1978	1,202
1979	612
1980	507
1981	1,265
1982	508
1983	1,423
1984	640
1985	789
1986	512
1987	1,098
1988	1,058
1989	949
1990	922
1991	633
1992	1,201
1993	1,101
1994	1,210
1995	1,365
1996	1,439
1997	804
1998	951
1999	932
2000	809
2001	1,106
2002	1,221
2003	964
2004	887
2005	1,320
2006	734
2007	857
2008	979
2009	679
2010	1,151
2011	716
2012	796
2013	976
2014	941
2015	550
2016	844
2017	1,163
2018	519
2019	788
2020	1,099
2021	834
2022	319
2023	912
2024	458
2025	430
2026	623

Download the Data

Data for records on 1985-05-01: 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	619
50 to 100	6
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	1