Weather Records on 1 May 1980

507 weather records were set or tied worldwide on 1 May 1980. Highest significance: Canon City, US.

Key Facts for 1 May 1980

On 1 May 1980, 507 weather records were set or tied at long-record stations worldwide.
228 were record highs and 121 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 491 daily.
Canon City set a daily record precipitation of 57.2 mm (2.3 in) on 1 May 1980.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 442 records.

Record Map

507 stations

507 station records on 1 May 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Canon City	United States	Record daily precipitation	57.2 mm (2.3 in)	52 of 100 (Notable)
Haleakala Exp Farm 434	United States	Record daily precipitation	62.7 mm (2.5 in)	47 of 100 (Notable)
Waterdale	United States	Record daily precipitation	69.9 mm (2.8 in)	43 of 100 (Notable)
St Marys Bowling Club	Australia	Record daily precipitation	40.0 mm (1.6 in)	41 of 100 (Notable)
Del Norte 3ENE	United States	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Mascota (Smn)	Mexico	Record low maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Ahuacatlan	Mexico	Record low maximum temperature	26.1 C (79.0 F)	39 of 100 (Notable)
Koolau Dam 833	United States	Record daily precipitation	77.5 mm (3.1 in)	36 of 100 (Notable)
Wessington Springs	United States	Record high minimum temperature	13.9 C (57.0 F)	35 of 100 (Notable)
Burnet	United States	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Midland 4 ENE	United States	Record high minimum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Piaxtla	Mexico	Record low minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Bailey	United States	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Mormon Flat	United States	Record low maximum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Logan	United States	Record low maximum temperature	12.2 C (54.0 F)	32 of 100 (Routine)
Del Norte 3ENE	United States	Record daily snowfall	15.5 cm (6.1 in)	30 of 100 (Routine)
San Juan de Los Llanos	Mexico	Record low maximum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Aiken 5SE	United States	Record low minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Mahinahina 466	United States	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Metapa de Dominguez	Mexico	Record low minimum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Tacotan	Mexico	Record low maximum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Rico	United States	Record snow depth	61.0 cm (24.0 in)	28 of 100 (Routine)
West Pennant Hills (Oratava A	Australia	Record daily precipitation	42.0 mm (1.7 in)	27 of 100 (Routine)
Pilger	Canada	Record high maximum temperature	27.5 C (81.5 F)	27 of 100 (Routine)
Pickle Lake (Aut)	Canada	Record high maximum temperature	28.6 C (83.5 F)	27 of 100 (Routine)
Tototlan	Mexico	Record low maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Muenster	Canada	Record high maximum temperature	23.9 C (75.0 F)	26 of 100 (Routine)
Klintonel	Canada	Record high maximum temperature	24.0 C (75.2 F)	26 of 100 (Routine)
Scott Cda	Canada	Record high maximum temperature	24.0 C (75.2 F)	26 of 100 (Routine)
San Juan de Los Lagos	Mexico	Record high minimum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Excame	Mexico	Record low maximum temperature	20.6 C (69.1 F)	26 of 100 (Routine)
Forks 4 NNE	United States	Record high maximum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Panhandle	United States	Record daily precipitation	28.2 mm (1.1 in)	26 of 100 (Routine)
Kamloops	Canada	Record high maximum temperature	30.0 C (86.0 F)	25 of 100 (Routine)
Churchill A	Canada	Record high maximum temperature	21.5 C (70.7 F)	25 of 100 (Routine)
San Juan del Rio (Smn)	Mexico	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Elizabeth City	United States	Record low maximum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Schulenburg	United States	Record daily precipitation	61.0 mm (2.4 in)	25 of 100 (Routine)
Goldsboro 4 SE	United States	Record low maximum temperature	18.9 C (66.0 F)	25 of 100 (Routine)
Westwold	Canada	Record high maximum temperature	28.0 C (82.4 F)	24 of 100 (Routine)
Fort Vermilion Cda	Canada	Record high maximum temperature	27.0 C (80.6 F)	24 of 100 (Routine)
Tugaske	Canada	Record high maximum temperature	26.5 C (79.7 F)	24 of 100 (Routine)
Pennant	Canada	Record high maximum temperature	29.0 C (84.2 F)	24 of 100 (Routine)
Juzhno-Kurilsk	Russia	Record low minimum temperature	-3.1 C (26.4 F)	24 of 100 (Routine)
Vincent Fs Fc 120	United States	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Harris	Canada	Record high maximum temperature	27.0 C (80.6 F)	23 of 100 (Routine)
Cameron Falls	Canada	Record high maximum temperature	26.0 C (78.8 F)	23 of 100 (Routine)
Meteghan River	Canada	Record high maximum temperature	20.6 C (69.1 F)	23 of 100 (Routine)
Agua Tibia	Mexico	Record high minimum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Miranda (Blackwood St)	Australia	Record daily precipitation	47.0 mm (1.9 in)	22 of 100 (Routine)
McBride 4SE	Canada	Record high maximum temperature	27.0 C (80.6 F)	22 of 100 (Routine)
Fernie	Canada	Record high maximum temperature	24.0 C (75.2 F)	22 of 100 (Routine)
Aneroid	Canada	Record high maximum temperature	27.0 C (80.6 F)	22 of 100 (Routine)
Clayton 1 SSW	United States	Record low minimum temperature	1.7 C (35.1 F)	22 of 100 (Routine)
Harlem	United States	Record high maximum temperature	28.3 C (82.9 F)	22 of 100 (Routine)
Coatesville 1 SW	United States	Record daily precipitation	32.5 mm (1.3 in)	22 of 100 (Routine)
Beaver Falls	United States	Record daily precipitation	57.2 mm (2.3 in)	22 of 100 (Routine)
Ketchikan AP	United States	Record daily precipitation	51.1 mm (2.0 in)	22 of 100 (Routine)
Falls River	Canada	Record daily precipitation	42.0 mm (1.7 in)	21 of 100 (Routine)
Salmon Arm	Canada	Record high maximum temperature	26.5 C (79.7 F)	21 of 100 (Routine)

Counts by Type and Timescale

507 records

Records set or tied on 1 May 1980 by type: Highest daily maximum 155, Lowest daily maximum 81, Highest daily minimum 73, Lowest daily minimum 40, Heaviest daily rainfall 149, Heaviest daily snowfall 5, Deepest snow cover 4.

Records on 1 May 1980 by type
Record type	Records
Highest daily maximum	155
Lowest daily maximum	81
Highest daily minimum	73
Lowest daily minimum	40
Heaviest daily rainfall	149
Heaviest daily snowfall	5
Deepest snow cover	4

Records on 1 May 1980 by timescale: all-time 0, monthly 16, daily 491.

How Much Records Were Beaten By

418 broken records

Margins by which the 418 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.0. Ties are not counted.

Top 20 by Significance

1 May 1980

Top 20 records on 1 May 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 1980	Canon City, US	daily rain	57.2 mm (2.3 in)	24.2 mm (1.0 in)	66 years	52 of 100 (Notable)
1 May 1980	Haleakala Exp Farm 434, US	daily rain	62.7 mm (2.5 in)	45.7 mm (1.8 in)	23 years	47 of 100 (Notable)
1 May 1980	Waterdale, US	daily rain	69.9 mm (2.8 in)	37.4 mm (1.5 in)	2 years	43 of 100 (Notable)
1 May 1980	St Marys Bowling Club, AU	daily rain	40.0 mm (1.6 in)	27.3 mm (1.1 in)	63 years	41 of 100 (Notable)
1 May 1980	Del Norte 3ENE, US	daily rain	25.9 mm (1.0 in)	14.5 mm (0.6 in)	26 years	41 of 100 (Notable)
1 May 1980	Mascota (Smn), MX	daily low max	23.9 C (75.0 F)	5.0 C (9.0 F)	45 years	40 of 100 (Notable)
1 May 1980	Ahuacatlan, MX	monthly low max	26.1 C (79.0 F)	1.7 C (3.1 F)	52 years	39 of 100 (Notable)
1 May 1980	Koolau Dam 833, US	daily rain	77.5 mm (3.1 in)	37.6 mm (1.5 in)	6 years	36 of 100 (Notable)
1 May 1980	Wessington Springs, US	daily high min	13.9 C (57.0 F)	1.1 C (2.0 F)	84 years	35 of 100 (Notable)
1 May 1980	Burnet, US	daily rain	44.5 mm (1.8 in)	14.5 mm (0.6 in)	64 years	35 of 100 (Notable)
1 May 1980	Midland 4 ENE, US	daily high min	21.7 C (71.1 F)	1.1 C (2.0 F)	83 years	35 of 100 (Notable)
1 May 1980	Piaxtla, MX	monthly low min	10.0 C (50.0 F)	1.1 C (2.0 F)	48 years	34 of 100 (Routine)
1 May 1980	Bailey, US	daily rain	31.0 mm (1.2 in)	15.5 mm (0.6 in)	26 years	34 of 100 (Routine)
1 May 1980	Mormon Flat, US	monthly low max	13.3 C (55.9 F)	1.7 C (3.1 F)	49 years	32 of 100 (Routine)
1 May 1980	Logan, US	daily low max	12.2 C (54.0 F)	1.7 C (3.1 F)	72 years	32 of 100 (Routine)
1 May 1980	Del Norte 3ENE, US	monthly snowfall	15.5 cm (6.1 in)	0.3 cm (0.1 in)	41 years	30 of 100 (Routine)
1 May 1980	San Juan de Los Llanos, MX	monthly low max	15.0 C (59.0 F)	2.8 C (5.0 F)	23 years	29 of 100 (Routine)
1 May 1980	Aiken 5SE, US	daily low min	4.4 C (39.9 F)	1.7 C (3.1 F)	59 years	29 of 100 (Routine)
1 May 1980	Mahinahina 466, US	daily rain	28.4 mm (1.1 in)	9.6 mm (0.38 in)	37 years	29 of 100 (Routine)
1 May 1980	Metapa de Dominguez, MX	daily low min	16.7 C (62.1 F)	3.3 C (5.9 F)	23 years	28 of 100 (Routine)

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 1980

Records set or tied on this calendar date in each year from 1795 to 1980. 1980 had 507 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 1980-05-01: 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 20	407
20 to 40	7
40 to 60	1
60 to 80	1
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1