Weather Records on 5 May 1978

1,033 weather records were set or tied worldwide on 5 May 1978. Highest significance: Castle Rock, US.

Key Facts for 5 May 1978

On 5 May 1978, 1,033 weather records were set or tied at long-record stations worldwide.
77 were record highs and 545 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 76 monthly and 955 daily.
Castle Rock set a daily record snowfall of 20.8 cm (8.2 in) on 5 May 1978.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 439 records.

Record Map

1,033 stations

1,033 station records on 5 May 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 May 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Castle Rock	United States	Record daily snowfall	20.8 cm (8.2 in)	72 of 100 (Major)
Waialua 847	United States	Record daily precipitation	45.7 mm (1.8 in)	65 of 100 (Major)
Buckingham	United States	Record daily precipitation	59.2 mm (2.3 in)	61 of 100 (Major)
Farmville	United States	Record daily precipitation	63.2 mm (2.5 in)	61 of 100 (Major)
Red Rvr	United States	Record snow depth	38.1 cm (15.0 in)	60 of 100 (Major)
Roxboro 7 ESE	United States	Record daily precipitation	56.6 mm (2.2 in)	57 of 100 (Notable)
Greenville	United States	Record daily precipitation	47.2 mm (1.9 in)	56 of 100 (Notable)
Randolph 5 NNE	United States	Record daily precipitation	60.2 mm (2.4 in)	56 of 100 (Notable)
Moorcroft 3S	United States	Record daily snowfall	20.3 cm (8.0 in)	56 of 100 (Notable)
Elkin	United States	Record daily precipitation	48.8 mm (1.9 in)	55 of 100 (Notable)
Serrita (Serrinha)	Brazil	Record daily precipitation	95.0 mm (3.7 in)	53 of 100 (Notable)
Manassa	United States	Record daily snowfall	10.2 cm (4.0 in)	53 of 100 (Notable)
Kaiserslautern	Germany	Record daily precipitation	25.4 mm (1.0 in)	52 of 100 (Notable)
Chama	United States	Record daily snowfall	10.2 cm (4.0 in)	51 of 100 (Notable)
Kawaihapai 841	United States	Record daily precipitation	72.6 mm (2.9 in)	51 of 100 (Notable)
Cambridge Niab	United Kingdom	Record daily precipitation	52.1 mm (2.1 in)	49 of 100 (Notable)
Appomattox	United States	Record daily precipitation	58.4 mm (2.3 in)	49 of 100 (Notable)
Suvla	Australia	Record daily precipitation	43.2 mm (1.7 in)	48 of 100 (Notable)
Moxoto	Brazil	Record daily precipitation	42.0 mm (1.7 in)	48 of 100 (Notable)
Mancos 1SW	United States	Record daily snowfall	10.9 cm (4.3 in)	48 of 100 (Notable)
Fruitland	United States	Record daily snowfall	10.2 cm (4.0 in)	48 of 100 (Notable)
Graham 2 ENE	United States	Record daily precipitation	52.8 mm (2.1 in)	47 of 100 (Notable)
Rougemont	United States	Record daily precipitation	61.0 mm (2.4 in)	47 of 100 (Notable)
Richfield	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Springer	United States	Record daily snowfall	7.4 cm (2.9 in)	46 of 100 (Notable)
Rogersville 1 NE	United States	Record daily precipitation	53.8 mm (2.1 in)	46 of 100 (Notable)
Wisley	United Kingdom	Record daily precipitation	27.0 mm (1.1 in)	45 of 100 (Notable)
Tacoma	United States	Record daily snowfall	17.8 cm (7.0 in)	45 of 100 (Notable)
Avon Park 2 W	United States	Record daily precipitation	50.3 mm (2.0 in)	45 of 100 (Notable)
Plymouth 5 E	United States	Record daily precipitation	78.2 mm (3.1 in)	45 of 100 (Notable)
Columbia 2SSE	United States	Record daily precipitation	45.0 mm (1.8 in)	45 of 100 (Notable)
South Pass City	United States	Record daily snowfall	47.2 cm (18.6 in)	45 of 100 (Notable)
Urandi	Brazil	Record daily precipitation	64.0 mm (2.5 in)	44 of 100 (Notable)
Mt Airy 2 W	United States	Record daily precipitation	57.9 mm (2.3 in)	44 of 100 (Notable)
Gaffney 6 E	United States	Record daily precipitation	49.8 mm (2.0 in)	44 of 100 (Notable)
Bilbao Aeropuerto	Spain	Record daily precipitation	62.4 mm (2.5 in)	43 of 100 (Notable)
Mocksville 5SE	United States	Record daily precipitation	71.6 mm (2.8 in)	43 of 100 (Notable)
Blanding	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Patos	Brazil	Record daily precipitation	66.2 mm (2.6 in)	42 of 100 (Notable)
Traipu	Brazil	Record daily precipitation	56.0 mm (2.2 in)	42 of 100 (Notable)
Norris Madison Pwr House	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Martinsville Fltr Plt	United States	Record daily precipitation	62.0 mm (2.4 in)	42 of 100 (Notable)
Rock Springs	United States	Record daily snowfall	35.6 cm (14.0 in)	42 of 100 (Notable)
Red Rvr	United States	Record daily snowfall	38.1 cm (15.0 in)	41 of 100 (Notable)
Bremo Bluff	United States	Record daily precipitation	49.0 mm (1.9 in)	40 of 100 (Notable)
Danville 2 SE	United States	Record daily precipitation	54.1 mm (2.1 in)	40 of 100 (Notable)
Denver-Stapleton	United States	Record daily snowfall	19.6 cm (7.7 in)	40 of 100 (Notable)
Itaete (Iguacu)	Brazil	Record daily precipitation	36.3 mm (1.4 in)	39 of 100 (Notable)
Poco Verde	Brazil	Record daily precipitation	115.0 mm (4.5 in)	39 of 100 (Notable)
Ft Collins	United States	Record daily snowfall	29.5 cm (11.6 in)	39 of 100 (Notable)
Chatham	United States	Record daily precipitation	52.1 mm (2.1 in)	39 of 100 (Notable)
Rothamsted	United Kingdom	Record daily precipitation	34.7 mm (1.4 in)	38 of 100 (Notable)
Red Lodge	United States	Record daily snowfall	24.1 cm (9.5 in)	38 of 100 (Notable)
Edenton	United States	Record daily precipitation	32.3 mm (1.3 in)	38 of 100 (Notable)
Tuckerton 2 NE	United States	Record low maximum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Alamosa-Bergman Fld	United States	Record daily snowfall	18.0 cm (7.1 in)	37 of 100 (Notable)
Brejo Santo	Brazil	Record daily precipitation	43.6 mm (1.7 in)	36 of 100 (Notable)
Ridgetown	Canada	Record low maximum temperature	6.5 C (43.7 F)	36 of 100 (Notable)
Hull	United Kingdom	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Chaco Canyon Natl Mon	United States	Record low maximum temperature	5.6 C (42.1 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,033 records

Records set or tied on 5 May 1978 by type: Highest daily maximum 25, Lowest daily maximum 423, Highest daily minimum 52, Lowest daily minimum 122, Heaviest daily rainfall 316, Heaviest daily snowfall 64, Deepest snow cover 31.

Records on 5 May 1978 by type
Record type	Records
Highest daily maximum	25
Lowest daily maximum	423
Highest daily minimum	52
Lowest daily minimum	122
Heaviest daily rainfall	316
Heaviest daily snowfall	64
Deepest snow cover	31

Records on 5 May 1978 by timescale: all-time 2, monthly 76, daily 955.

How Much Records Were Beaten By

827 broken records

Margins by which the 827 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

5 May 1978

Top 20 records on 5 May 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 May 1978	Castle Rock, US	daily snowfall	20.8 cm (8.2 in)	20.8 cm (8.2 in)	81 years	72 of 100 (Major)
5 May 1978	Waialua 847, US	daily rain	45.7 mm (1.8 in)	42.1 mm (1.7 in)	63 years	65 of 100 (Major)
5 May 1978	Buckingham, US	daily rain	59.2 mm (2.3 in)	42.4 mm (1.7 in)	79 years	61 of 100 (Major)
5 May 1978	Farmville, US	daily rain	63.2 mm (2.5 in)	49.2 mm (1.9 in)	44 years	61 of 100 (Major)
5 May 1978	Red Rvr, US	daily snow depth	38.1 cm (15.0 in)	30.5 cm (12.0 in)	63 years	60 of 100 (Major)
5 May 1978	Roxboro 7 ESE, US	daily rain	56.6 mm (2.2 in)	31.2 mm (1.2 in)	83 years	57 of 100 (Notable)
5 May 1978	Greenville, US	daily rain	47.2 mm (1.9 in)	24.3 mm (1.0 in)	99 years	56 of 100 (Notable)
5 May 1978	Randolph 5 NNE, US	daily rain	60.2 mm (2.4 in)	36.1 mm (1.4 in)	60 years	56 of 100 (Notable)
5 May 1978	Moorcroft 3S, US	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	65 years	56 of 100 (Notable)
5 May 1978	Elkin, US	daily rain	48.8 mm (1.9 in)	38.1 mm (1.5 in)	64 years	55 of 100 (Notable)
5 May 1978	Serrita (Serrinha), BR	daily rain	95.0 mm (3.7 in)	73.0 mm (2.9 in)	43 years	53 of 100 (Notable)
5 May 1978	Manassa, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	84 years	53 of 100 (Notable)
5 May 1978	Kaiserslautern, DE	daily rain	25.4 mm (1.0 in)	14.4 mm (0.6 in)	64 years	52 of 100 (Notable)
5 May 1978	Chama, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	84 years	51 of 100 (Notable)
5 May 1978	Kawaihapai 841, US	daily rain	72.6 mm (2.9 in)	70.1 mm (2.8 in)	28 years	51 of 100 (Notable)
5 May 1978	Cambridge Niab, GB	monthly rain	52.1 mm (2.1 in)	7.9 mm (0.31 in)	48 years	49 of 100 (Notable)
5 May 1978	Appomattox, US	daily rain	58.4 mm (2.3 in)	44.2 mm (1.7 in)	27 years	49 of 100 (Notable)
5 May 1978	Suvla, AU	daily rain	43.2 mm (1.7 in)	43.2 mm (1.7 in)	37 years	48 of 100 (Notable)
5 May 1978	Moxoto, BR	daily rain	42.0 mm (1.7 in)	28.8 mm (1.1 in)	13 years	48 of 100 (Notable)
5 May 1978	Mancos 1SW, US	daily snowfall	10.9 cm (4.3 in)	9.6 cm (3.8 in)	72 years	48 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 1,033 records.

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

Records on 05-05 in each year
Year	Records
1795	2
1805	1
1836	1
1837	1
1840	1
1850	4
1852	1
1855	1
1856	2
1859	2
1861	5
1862	1
1864	2
1867	1
1875	2
1877	2
1878	1
1879	2
1880	1
1882	1
1884	2
1885	1
1886	3
1888	3
1889	5
1890	2
1891	3
1892	5
1894	3
1895	2
1896	1
1897	2
1898	6
1899	5
1900	3
1901	2
1902	5
1903	9
1904	14
1905	17
1906	4
1907	16
1908	14
1909	17
1910	19
1911	17
1912	17
1913	46
1914	39
1915	73
1916	98
1917	70
1918	24
1919	77
1920	41
1921	63
1922	98
1923	139
1924	132
1925	143
1926	220
1927	115
1928	149
1929	256
1930	469
1931	250
1932	166
1933	339
1934	448
1935	417
1936	377
1937	159
1938	362
1939	222
1940	446
1941	415
1942	529
1943	427
1944	1,237
1945	355
1946	306
1947	528
1948	671
1949	1,099
1950	893
1951	174
1952	723
1953	659
1954	607
1955	382
1956	363
1957	561
1958	404
1959	587
1960	773
1961	644
1962	261
1963	249
1964	643
1965	724
1966	1,413
1967	613
1968	434
1969	530
1970	386
1971	444
1972	292
1973	542
1974	716
1975	711
1976	402
1977	708
1978	1,033
1979	1,534
1980	562
1981	524
1982	659
1983	475
1984	767
1985	463
1986	968
1987	895
1988	820
1989	941
1990	1,511
1991	1,176
1992	1,004
1993	725
1994	743
1995	888
1996	1,368
1997	1,220
1998	1,707
1999	1,301
2000	1,442
2001	963
2002	883
2003	1,792
2004	1,401
2005	1,009
2006	657
2007	850
2008	453
2009	751
2010	1,053
2011	857
2012	1,281
2013	1,265
2014	680
2015	783
2016	554
2017	849
2018	481
2019	538
2020	403
2021	733
2022	514
2023	579
2024	961
2025	717
2026	538

Download the Data

Data for records on 1978-05-05: 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	780
50 to 100	28
100 to 150	12
150 to 200	4
200 to 250	1
250 to 300	1
300 to 350	1