Weather Records on 6 May 1978

899 weather records were set or tied worldwide on 6 May 1978. Highest significance: Euclides da Cunha (Cumbe), BR.

Key Facts for 6 May 1978

On 6 May 1978, 899 weather records were set or tied at long-record stations worldwide.
114 were record highs and 418 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 82 monthly and 813 daily.
Euclides da Cunha (Cumbe) set a monthly record daily precipitation of 80.1 mm (3.2 in) on 6 May 1978.
Across 158 earlier years (1795 to 2026) the same calendar date averaged 450 records.

Record Map

899 stations

899 station records on 6 May 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 May 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Euclides da Cunha (Cumbe)	Brazil	Record daily precipitation	80.1 mm (3.2 in)	71 of 100 (Major)
Beaver	United States	Record daily snowfall	22.9 cm (9.0 in)	68 of 100 (Major)
Formosa Do Rio Preto (Pcd)	Brazil	Record daily precipitation	78.0 mm (3.1 in)	62 of 100 (Major)
Minersville	United States	Record daily snowfall	15.2 cm (6.0 in)	61 of 100 (Major)
Saint Johns	United States	Record snow depth	20.3 cm (8.0 in)	59 of 100 (Notable)
El Vado Dam	United States	Record daily snowfall	20.3 cm (8.0 in)	59 of 100 (Notable)
Dolores	United States	Record daily snowfall	15.2 cm (6.0 in)	57 of 100 (Notable)
Moorcroft 3S	United States	Record daily snowfall	15.2 cm (6.0 in)	57 of 100 (Notable)
Snowflake	United States	Record daily snowfall	20.3 cm (8.0 in)	56 of 100 (Notable)
Cheyenne Wells 2NE	United States	Record daily snowfall	15.2 cm (6.0 in)	53 of 100 (Notable)
Glenwood Spgs #2	United States	Record daily snowfall	11.4 cm (4.5 in)	53 of 100 (Notable)
Wymore	United States	Record daily precipitation	68.6 mm (2.7 in)	53 of 100 (Notable)
Boulder	United States	Record daily snowfall	35.6 cm (14.0 in)	49 of 100 (Notable)
Paonia 1SW	United States	Record daily snowfall	14.0 cm (5.5 in)	49 of 100 (Notable)
Muenster	Germany	Record daily precipitation	58.6 mm (2.3 in)	48 of 100 (Notable)
Waterdale	United States	Record daily precipitation	75.4 mm (3.0 in)	48 of 100 (Notable)
Eagle FAA AP	United States	Record daily snowfall	18.3 cm (7.2 in)	48 of 100 (Notable)
Taos	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
South Pass City	United States	Record daily snowfall	46.7 cm (18.4 in)	47 of 100 (Notable)
Cheyenne	United States	Record daily snowfall	28.2 cm (11.1 in)	47 of 100 (Notable)
Buena Vista 2S	United States	Record low minimum temperature	-14.4 C (6.1 F)	46 of 100 (Notable)
Imperial	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
Auburn 5 ESE	United States	Record daily precipitation	51.1 mm (2.0 in)	45 of 100 (Notable)
Greer	United States	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Longmont 2 ESE	United States	Record daily precipitation	64.3 mm (2.5 in)	44 of 100 (Notable)
Pagosa Springs 1SE	United States	Record daily snowfall	25.4 cm (10.0 in)	44 of 100 (Notable)
Trout Lake	United States	Record daily snowfall	25.4 cm (10.0 in)	44 of 100 (Notable)
Saint Francis	United States	Record daily snowfall	8.9 cm (3.5 in)	44 of 100 (Notable)
Mystic Lake	United States	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Dalton	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Black Rock	United States	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Scottsbluff W B Heilig Fld AP	United States	Record daily snowfall	7.6 cm (3.0 in)	44 of 100 (Notable)
Syracuse 1NE	United States	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Sharon Springs	United States	Record low maximum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
Chama	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Cortez	United States	Record low maximum temperature	2.2 C (36.0 F)	41 of 100 (Notable)
Lakin	United States	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
Agate 3 E	United States	Record daily snowfall	6.1 cm (2.4 in)	41 of 100 (Notable)
Haigler	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Ft Laramie 11 NNW	United States	Record daily snowfall	16.8 cm (6.6 in)	41 of 100 (Notable)
El Vado Dam	United States	Record snow depth	20.3 cm (8.0 in)	40 of 100 (Notable)
Uaua	Brazil	Record daily precipitation	32.7 mm (1.3 in)	39 of 100 (Notable)
Breckenridge	United States	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Ft Collins	United States	Record daily snowfall	40.4 cm (15.9 in)	39 of 100 (Notable)
Yampa	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Stratton	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Somerville 4 NW	United States	Record low maximum temperature	6.7 C (44.1 F)	39 of 100 (Notable)
Petrolandia (Itaparica)	Brazil	Record daily precipitation	51.2 mm (2.0 in)	38 of 100 (Notable)
Dolores	United States	Record snow depth	20.3 cm (8.0 in)	38 of 100 (Notable)
Flagler 1S	United States	Record daily snowfall	7.6 cm (3.0 in)	38 of 100 (Notable)
Skarda	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Haleakala Exp Farm 434	United States	Record daily precipitation	61.5 mm (2.4 in)	38 of 100 (Notable)
Haparanda	Sweden	Record low minimum temperature	-7.5 C (18.5 F)	37 of 100 (Notable)
Saint Francis	United States	Record snow depth	10.2 cm (4.0 in)	37 of 100 (Notable)
Dulce	United States	Record low maximum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Archer	United States	Record daily snowfall	40.6 cm (16.0 in)	37 of 100 (Notable)
Longmont 2 ESE	United States	Record low maximum temperature	2.2 C (36.0 F)	36 of 100 (Notable)
Winona	United States	Record daily precipitation	37.6 mm (1.5 in)	36 of 100 (Notable)
Cheyenne	United States	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Arnhem	Netherlands	Record daily precipitation	36.9 mm (1.5 in)	35 of 100 (Notable)

Counts by Type and Timescale

899 records

Records set or tied on 6 May 1978 by type: Highest daily maximum 43, Lowest daily maximum 334, Highest daily minimum 71, Lowest daily minimum 84, Heaviest daily rainfall 233, Heaviest daily snowfall 91, Deepest snow cover 43.

Records on 6 May 1978 by type
Record type	Records
Highest daily maximum	43
Lowest daily maximum	334
Highest daily minimum	71
Lowest daily minimum	84
Heaviest daily rainfall	233
Heaviest daily snowfall	91
Deepest snow cover	43

Records on 6 May 1978 by timescale: all-time 4, monthly 82, daily 813.

How Much Records Were Beaten By

729 broken records

Margins by which the 729 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 370.0. Ties are not counted.

Top 20 by Significance

6 May 1978

Top 20 records on 6 May 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 May 1978	Euclides da Cunha (Cumbe), BR	monthly rain	80.1 mm (3.2 in)	32.3 mm (1.3 in)	53 years	71 of 100 (Major)
6 May 1978	Beaver, US	daily snowfall	22.9 cm (9.0 in)	22.9 cm (9.0 in)	69 years	68 of 100 (Major)
6 May 1978	Formosa Do Rio Preto (Pcd), BR	monthly rain	78.0 mm (3.1 in)	39.4 mm (1.6 in)	35 years	62 of 100 (Major)
6 May 1978	Minersville, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	76 years	61 of 100 (Major)
6 May 1978	Saint Johns, US	monthly snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	76 years	59 of 100 (Notable)
6 May 1978	El Vado Dam, US	monthly snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	40 years	59 of 100 (Notable)
6 May 1978	Dolores, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	68 years	57 of 100 (Notable)
6 May 1978	Moorcroft 3S, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	68 years	57 of 100 (Notable)
6 May 1978	Snowflake, US	monthly snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	63 years	56 of 100 (Notable)
6 May 1978	Cheyenne Wells 2NE, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	84 years	53 of 100 (Notable)
6 May 1978	Glenwood Spgs #2, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	77 years	53 of 100 (Notable)
6 May 1978	Wymore, US	daily rain	68.6 mm (2.7 in)	30.0 mm (1.2 in)	77 years	53 of 100 (Notable)
6 May 1978	Boulder, US	daily snowfall	35.6 cm (14.0 in)	20.1 cm (7.9 in)	47 years	49 of 100 (Notable)
6 May 1978	Paonia 1SW, US	monthly snowfall	14.0 cm (5.5 in)	6.4 cm (2.5 in)	66 years	49 of 100 (Notable)
6 May 1978	Muenster, DE	monthly rain	58.6 mm (2.3 in)	10.6 mm (0.4 in)	27 years	48 of 100 (Notable)
6 May 1978	Waterdale, US	daily rain	75.4 mm (3.0 in)	40.9 mm (1.6 in)	4 years	48 of 100 (Notable)
6 May 1978	Eagle FAA AP, US	monthly snowfall	18.3 cm (7.2 in)	5.6 cm (2.2 in)	67 years	48 of 100 (Notable)
6 May 1978	Taos, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	82 years	47 of 100 (Notable)
6 May 1978	South Pass City, US	daily snowfall	46.7 cm (18.4 in)	36.5 cm (14.4 in)	3 years	47 of 100 (Notable)
6 May 1978	Cheyenne, US	daily snowfall	28.2 cm (11.1 in)	20.6 cm (8.1 in)	35 years	47 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 1978

Records set or tied on this calendar date in each year from 1795 to 1978. 1978 had 899 records.

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

Records on 05-06 in each year
Year	Records
1795	1
1805	1
1825	1
1836	1
1845	2
1850	1
1851	1
1852	1
1856	1
1857	2
1861	2
1862	2
1864	2
1865	1
1872	1
1877	3
1880	2
1883	1
1885	4
1886	2
1887	1
1888	1
1889	4
1890	4
1891	3
1892	3
1893	1
1895	3
1896	1
1897	5
1898	17
1899	3
1900	8
1901	3
1902	8
1903	9
1904	12
1905	18
1906	14
1907	11
1908	18
1909	19
1910	23
1911	14
1912	20
1913	47
1914	30
1915	32
1916	51
1917	197
1918	43
1919	63
1920	42
1921	39
1922	87
1923	126
1924	95
1925	225
1926	178
1927	133
1928	106
1929	225
1930	581
1931	378
1932	302
1933	336
1934	640
1935	319
1936	430
1937	172
1938	310
1939	185
1940	243
1941	325
1942	309
1943	375
1944	879
1945	318
1946	260
1947	613
1948	384
1949	917
1950	610
1951	292
1952	496
1953	635
1954	551
1955	422
1956	559
1957	644
1958	615
1959	463
1960	781
1961	655
1962	301
1963	623
1964	823
1965	624
1966	950
1967	697
1968	890
1969	695
1970	710
1971	459
1972	499
1973	499
1974	806
1975	925
1976	644
1977	896
1978	899
1979	1,122
1980	574
1981	489
1982	800
1983	554
1984	846
1985	549
1986	1,228
1987	1,049
1988	919
1989	1,814
1990	1,220
1991	1,028
1992	1,486
1993	795
1994	591
1995	961
1996	1,578
1997	1,127
1998	1,160
1999	1,198
2000	1,357
2001	767
2002	979
2003	1,596
2004	1,490
2005	826
2006	663
2007	1,061
2008	412
2009	732
2010	1,187
2011	604
2012	1,007
2013	1,024
2014	612
2015	589
2016	808
2017	659
2018	454
2019	462
2020	578
2021	517
2022	736
2023	559
2024	841
2025	732
2026	796

Download the Data

Data for records on 1978-05-06: 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	650
50 to 100	42
100 to 150	22
150 to 200	7
200 to 250	6
250 to 300	0
300 to 350	0
350 to 400	2