Weather Records on 7 May 1978

925 weather records were set or tied worldwide on 7 May 1978. Highest significance: Regensburg, DE.

Key Facts for 7 May 1978

On 7 May 1978, 925 weather records were set or tied at long-record stations worldwide.
117 were record highs and 278 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 65 monthly and 854 daily.
Regensburg set a daily record precipitation of 40.3 mm (1.6 in) on 7 May 1978.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 416 records.

Record Map

925 stations

925 station records on 7 May 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Regensburg	Germany	Record daily precipitation	40.3 mm (1.6 in)	79 of 100 (Major)
Plauen	Germany	Record daily precipitation	64.1 mm (2.5 in)	76 of 100 (Major)
Chemnitz	Germany	Record daily precipitation	58.0 mm (2.3 in)	72 of 100 (Major)
Lichtentanne	Germany	Record daily precipitation	75.5 mm (3.0 in)	66 of 100 (Major)
Greiz-Dolau	Germany	Record daily precipitation	45.0 mm (1.8 in)	64 of 100 (Major)
Winnsboro 5 SSE	United States	Record daily precipitation	102.9 mm (4.1 in)	64 of 100 (Major)
University	United States	Record daily precipitation	94.0 mm (3.7 in)	63 of 100 (Major)
Nurnberg	Germany	Record daily precipitation	77.4 mm (3.0 in)	62 of 100 (Major)
Metten	Germany	Record daily precipitation	49.0 mm (1.9 in)	62 of 100 (Major)
Corinth 5 WSW	United States	Record daily precipitation	93.0 mm (3.7 in)	62 of 100 (Major)
Ebrach	Germany	Record daily precipitation	41.0 mm (1.6 in)	61 of 100 (Major)
Hickory 1 E	United States	Record daily precipitation	121.9 mm (4.8 in)	60 of 100 (Major)
Virginia	United States	Record daily precipitation	92.7 mm (3.6 in)	59 of 100 (Notable)
Ripley	United States	Record daily precipitation	113.0 mm (4.4 in)	58 of 100 (Notable)
Hickman	United States	Record daily precipitation	58.4 mm (2.3 in)	58 of 100 (Notable)
Beatrice	United States	Record daily precipitation	74.2 mm (2.9 in)	57 of 100 (Notable)
Hollenstein (Kraftwerk)	Germany	Record daily precipitation	52.7 mm (2.1 in)	56 of 100 (Notable)
Marienberg-Reitzenhain	Germany	Record daily precipitation	65.4 mm (2.6 in)	56 of 100 (Notable)
Pemfling-Pitzling	Germany	Record daily precipitation	43.3 mm (1.7 in)	56 of 100 (Notable)
Pawnee City	United States	Record daily precipitation	98.3 mm (3.9 in)	56 of 100 (Notable)
Guba	Azerbaijan	Record daily precipitation	40.2 mm (1.6 in)	55 of 100 (Notable)
Weiden	Germany	Record daily precipitation	59.4 mm (2.3 in)	55 of 100 (Notable)
Garsebach Bei Meissen	Germany	Record daily precipitation	36.5 mm (1.4 in)	55 of 100 (Notable)
Tirschenreuth-Lodermuhl	Germany	Record daily precipitation	50.9 mm (2.0 in)	55 of 100 (Notable)
Nossen	Germany	Record daily precipitation	40.4 mm (1.6 in)	53 of 100 (Notable)
Kr.Ansbach Weidenbach	Germany	Record daily precipitation	29.6 mm (1.2 in)	52 of 100 (Notable)
Van Vleet	United States	Record daily precipitation	92.7 mm (3.6 in)	52 of 100 (Notable)
Moorcroft 3S	United States	Record daily snowfall	40.6 cm (16.0 in)	52 of 100 (Notable)
Bolton	United States	Record daily precipitation	83.6 mm (3.3 in)	51 of 100 (Notable)
Watertown Rgnl AP	United States	Record daily precipitation	39.4 mm (1.6 in)	51 of 100 (Notable)
Heinersreuth-Vollhof	Germany	Record daily precipitation	38.5 mm (1.5 in)	50 of 100 (Notable)
Waldsassen	Germany	Record daily precipitation	35.0 mm (1.4 in)	50 of 100 (Notable)
Rochelle 7ENE	United States	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	65.2 mm (2.6 in)	49 of 100 (Notable)
Jonesboro 3 SSE	United States	Record daily precipitation	106.7 mm (4.2 in)	49 of 100 (Notable)
Hickory Flat	United States	Record daily precipitation	128.3 mm (5.1 in)	49 of 100 (Notable)
Table Rock 4N	United States	Record daily precipitation	97.8 mm (3.9 in)	49 of 100 (Notable)
Pagosa Springs 1SE	United States	Record daily snowfall	10.2 cm (4.0 in)	48 of 100 (Notable)
Vouziers	France	Record daily precipitation	30.2 mm (1.2 in)	47 of 100 (Notable)
Freystadt-Oberndorf	Germany	Record daily precipitation	50.5 mm (2.0 in)	47 of 100 (Notable)
Gossweinstein	Germany	Record daily precipitation	44.5 mm (1.8 in)	47 of 100 (Notable)
Senatobia	United States	Record daily precipitation	113.8 mm (4.5 in)	47 of 100 (Notable)
Moorcroft 3S	United States	Record daily precipitation	64.3 mm (2.5 in)	47 of 100 (Notable)
Schwandorf	Germany	Record daily precipitation	38.6 mm (1.5 in)	46 of 100 (Notable)
Kirksville	United States	Record daily precipitation	65.5 mm (2.6 in)	46 of 100 (Notable)
Freiberg	Germany	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Hof (Stadt)	Germany	Record daily precipitation	66.3 mm (2.6 in)	45 of 100 (Notable)
Gloster 1 W	United States	Record daily precipitation	118.1 mm (4.6 in)	45 of 100 (Notable)
Astara	Azerbaijan	Record daily precipitation	42.5 mm (1.7 in)	44 of 100 (Notable)
Stammbach-Querenbach	Germany	Record daily precipitation	41.4 mm (1.6 in)	44 of 100 (Notable)
Forrest City	United States	Record daily precipitation	86.1 mm (3.4 in)	44 of 100 (Notable)
Warren 2 ENE	United States	Record daily precipitation	64.8 mm (2.6 in)	44 of 100 (Notable)
Belle Glade	United States	Record daily precipitation	69.6 mm (2.7 in)	44 of 100 (Notable)
Minden	United States	Record daily precipitation	87.6 mm (3.4 in)	44 of 100 (Notable)
Moscow	United States	Record daily precipitation	96.5 mm (3.8 in)	44 of 100 (Notable)
Crossett 2 SSE	United States	Record daily precipitation	83.8 mm (3.3 in)	43 of 100 (Notable)
Wessington Springs	United States	Record daily precipitation	30.7 mm (1.2 in)	43 of 100 (Notable)
Savannah 6 SW	United States	Record daily precipitation	75.4 mm (3.0 in)	43 of 100 (Notable)
Derbent	Russia	Record daily precipitation	25.1 mm (1.0 in)	42 of 100 (Notable)
Greenville	United States	Record daily precipitation	102.1 mm (4.0 in)	42 of 100 (Notable)

Counts by Type and Timescale

925 records

Records set or tied on 7 May 1978 by type: Highest daily maximum 44, Lowest daily maximum 200, Highest daily minimum 73, Lowest daily minimum 78, Heaviest daily rainfall 437, Heaviest daily snowfall 55, Deepest snow cover 38.

Records on 7 May 1978 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	200
Highest daily minimum	73
Lowest daily minimum	78
Heaviest daily rainfall	437
Heaviest daily snowfall	55
Deepest snow cover	38

Records on 7 May 1978 by timescale: all-time 6, monthly 65, daily 854.

How Much Records Were Beaten By

769 broken records

Margins by which the 769 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 320.0. Ties are not counted.

Top 20 by Significance

7 May 1978

Top 20 records on 7 May 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 1978	Regensburg, DE	daily rain	40.3 mm (1.6 in)	26.4 mm (1.0 in)	97 years	79 of 100 (Major)
7 May 1978	Plauen, DE	daily rain	64.1 mm (2.5 in)	42.0 mm (1.7 in)	90 years	76 of 100 (Major)
7 May 1978	Chemnitz, DE	daily rain	58.0 mm (2.3 in)	40.1 mm (1.6 in)	76 years	72 of 100 (Major)
7 May 1978	Lichtentanne, DE	daily rain	75.5 mm (3.0 in)	53.9 mm (2.1 in)	53 years	66 of 100 (Major)
7 May 1978	Greiz-Dolau, DE	daily rain	45.0 mm (1.8 in)	29.5 mm (1.2 in)	53 years	64 of 100 (Major)
7 May 1978	Winnsboro 5 SSE, US	daily rain	102.9 mm (4.1 in)	57.2 mm (2.3 in)	84 years	64 of 100 (Major)
7 May 1978	University, US	daily rain	94.0 mm (3.7 in)	55.9 mm (2.2 in)	72 years	63 of 100 (Major)
7 May 1978	Nurnberg, DE	monthly rain	77.4 mm (3.0 in)	7.5 mm (0.30 in)	98 years	62 of 100 (Major)
7 May 1978	Metten, DE	daily rain	49.0 mm (1.9 in)	29.2 mm (1.1 in)	43 years	62 of 100 (Major)
7 May 1978	Corinth 5 WSW, US	daily rain	93.0 mm (3.7 in)	48.5 mm (1.9 in)	71 years	62 of 100 (Major)
7 May 1978	Ebrach, DE	daily rain	41.0 mm (1.6 in)	23.0 mm (0.9 in)	53 years	61 of 100 (Major)
7 May 1978	Hickory 1 E, US	monthly rain	121.9 mm (4.8 in)	40.6 mm (1.6 in)	64 years	60 of 100 (Major)
7 May 1978	Virginia, US	daily rain	92.7 mm (3.6 in)	54.6 mm (2.1 in)	48 years	59 of 100 (Notable)
7 May 1978	Ripley, US	monthly rain	113.0 mm (4.4 in)	29.2 mm (1.1 in)	72 years	58 of 100 (Notable)
7 May 1978	Hickman, US	daily rain	58.4 mm (2.3 in)	35.5 mm (1.4 in)	78 years	58 of 100 (Notable)
7 May 1978	Beatrice, US	daily rain	74.2 mm (2.9 in)	39.9 mm (1.6 in)	48 years	57 of 100 (Notable)
7 May 1978	Hollenstein (Kraftwerk), DE	daily rain	52.7 mm (2.1 in)	33.2 mm (1.3 in)	43 years	56 of 100 (Notable)
7 May 1978	Marienberg-Reitzenhain, DE	monthly rain	65.4 mm (2.6 in)	31.3 mm (1.2 in)	11 years	56 of 100 (Notable)
7 May 1978	Pemfling-Pitzling, DE	daily rain	43.3 mm (1.7 in)	30.9 mm (1.2 in)	43 years	56 of 100 (Notable)
7 May 1978	Pawnee City, US	daily rain	98.3 mm (3.9 in)	51.1 mm (2.0 in)	48 years	56 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 925 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 1978-05-07: 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	717
50 to 100	38
100 to 150	6
150 to 200	4
200 to 250	3
250 to 300	0
300 to 350	1