Weather Records on 13 May 1978

932 weather records were set or tied worldwide on 13 May 1978. Highest significance: Fond du Lac Wwtp, US.

Key Facts for 13 May 1978

On 13 May 1978, 932 weather records were set or tied at long-record stations worldwide.
243 were record highs and 318 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 35 monthly and 895 daily.
Fond du Lac Wwtp set a daily record precipitation of 70.1 mm (2.8 in) on 13 May 1978.
Across 164 earlier years (1794 to 2026) the same calendar date averaged 445 records.

Record Map

932 stations

932 station records on 13 May 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 May 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fond du Lac Wwtp	United States	Record daily precipitation	70.1 mm (2.8 in)	70 of 100 (Major)
Manitowoc	United States	Record daily precipitation	61.0 mm (2.4 in)	70 of 100 (Major)
Oshkosh	United States	Record daily precipitation	68.6 mm (2.7 in)	70 of 100 (Major)
Newport	United States	Record daily precipitation	52.8 mm (2.1 in)	70 of 100 (Major)
Chatham Exp Fa	United States	Record daily precipitation	63.5 mm (2.5 in)	69 of 100 (Major)
Marengo	United States	Record daily precipitation	73.7 mm (2.9 in)	64 of 100 (Major)
Plymouth Wwtp	United States	Record daily precipitation	74.4 mm (2.9 in)	62 of 100 (Major)
Danville	United States	Record daily precipitation	82.8 mm (3.3 in)	61 of 100 (Major)
Tuscola	United States	Record daily precipitation	82.8 mm (3.3 in)	61 of 100 (Major)
Mt Mary College	United States	Record daily precipitation	73.9 mm (2.9 in)	54 of 100 (Notable)
West Bend	United States	Record daily precipitation	57.9 mm (2.3 in)	53 of 100 (Notable)
Chilton	United States	Record daily precipitation	71.9 mm (2.8 in)	52 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	30.2 mm (1.2 in)	51 of 100 (Notable)
Kewaunee	United States	Record daily precipitation	76.2 mm (3.0 in)	51 of 100 (Notable)
Darlington Wwtp	United States	Record daily precipitation	85.6 mm (3.4 in)	50 of 100 (Notable)
El Dorado 1 SSW	United States	Record daily precipitation	77.5 mm (3.1 in)	50 of 100 (Notable)
Danville Sewage Plt	United States	Record daily precipitation	54.9 mm (2.2 in)	49 of 100 (Notable)
Appleton	United States	Record daily precipitation	42.7 mm (1.7 in)	49 of 100 (Notable)
Baraboo Wwtp	United States	Record daily precipitation	86.4 mm (3.4 in)	49 of 100 (Notable)
Beaver Dam Wwtp	United States	Record daily precipitation	97.0 mm (3.8 in)	49 of 100 (Notable)
Nanaimo A	Canada	Record daily precipitation	25.4 mm (1.0 in)	48 of 100 (Notable)
Oregon City	United States	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Prairie du Sac 2 N	United States	Record daily precipitation	73.2 mm (2.9 in)	48 of 100 (Notable)
Green Bay	United States	Record daily precipitation	35.1 mm (1.4 in)	48 of 100 (Notable)
Muskegon Co AP	United States	Record daily precipitation	47.5 mm (1.9 in)	47 of 100 (Notable)
Eau Claire 4 NE	United States	Record daily precipitation	49.8 mm (2.0 in)	46 of 100 (Notable)
Packwood	United States	Record daily precipitation	32.3 mm (1.3 in)	46 of 100 (Notable)
Mariyna Gorka	Belarus	Record daily precipitation	26.9 mm (1.1 in)	45 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	45 of 100 (Notable)
Stockton 3NNE	United States	Record daily precipitation	88.9 mm (3.5 in)	45 of 100 (Notable)
Valsetz	United States	Record daily precipitation	62.7 mm (2.5 in)	45 of 100 (Notable)
Germantown Wastewater Utility	United States	Record daily precipitation	47.0 mm (1.9 in)	45 of 100 (Notable)
Madison Dane Co Rgnl AP	United States	Record daily precipitation	60.7 mm (2.4 in)	45 of 100 (Notable)
Lone Rock Tri Co AP	United States	Record daily precipitation	60.5 mm (2.4 in)	45 of 100 (Notable)
Clearwater	United States	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Dalton	United States	Record daily precipitation	79.2 mm (3.1 in)	44 of 100 (Notable)
Shoals 8 S	United States	Record daily precipitation	66.8 mm (2.6 in)	43 of 100 (Notable)
Bloomingdale	United States	Record daily precipitation	67.8 mm (2.7 in)	43 of 100 (Notable)
Ludington 4 SE	United States	Record daily precipitation	28.2 mm (1.1 in)	43 of 100 (Notable)
Hvar	Croatia	Record low maximum temperature	15.9 C (60.6 F)	42 of 100 (Notable)
Hvar	Croatia	Record low minimum temperature	8.0 C (46.4 F)	42 of 100 (Notable)
Portland Intl AP	United States	Record daily precipitation	27.4 mm (1.1 in)	42 of 100 (Notable)
Salem AP (McNary Field)	United States	Record daily precipitation	30.2 mm (1.2 in)	42 of 100 (Notable)
Vicosa	Brazil	Record daily precipitation	105.0 mm (4.1 in)	41 of 100 (Notable)
Grand Haven Fire Dept	United States	Record daily precipitation	51.3 mm (2.0 in)	41 of 100 (Notable)
Hesperia 4 WNW	United States	Record daily precipitation	29.2 mm (1.1 in)	41 of 100 (Notable)
Lake Mills Wwtp	United States	Record daily precipitation	61.7 mm (2.4 in)	41 of 100 (Notable)
Waukesha Wwtp	United States	Record daily precipitation	47.2 mm (1.9 in)	41 of 100 (Notable)
Vasilevici	Belarus	Record daily precipitation	35.9 mm (1.4 in)	40 of 100 (Notable)
Vancouver Int'l A	Canada	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	72.6 mm (2.9 in)	40 of 100 (Notable)
Quilcene 2 SW	United States	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Geisenheim	Germany	Record low maximum temperature	9.7 C (49.5 F)	39 of 100 (Notable)
Cedral	Mexico	Record daily precipitation	51.6 mm (2.0 in)	39 of 100 (Notable)
Dubuque L&D 11	United States	Record daily precipitation	114.3 mm (4.5 in)	39 of 100 (Notable)
Port Washington	United States	Record daily precipitation	79.2 mm (3.1 in)	39 of 100 (Notable)
Ripon 5 NE	United States	Record daily precipitation	72.9 mm (2.9 in)	39 of 100 (Notable)
Barra Do Jua	Brazil	Record daily precipitation	62.1 mm (2.4 in)	38 of 100 (Notable)
Galva	United States	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)
Princeville	United States	Record daily precipitation	64.5 mm (2.5 in)	38 of 100 (Notable)

Counts by Type and Timescale

932 records

Records set or tied on 13 May 1978 by type: Highest daily maximum 128, Lowest daily maximum 236, Highest daily minimum 115, Lowest daily minimum 82, Heaviest daily rainfall 363, Deepest snow cover 8.

Records on 13 May 1978 by type
Record type	Records
Highest daily maximum	128
Lowest daily maximum	236
Highest daily minimum	115
Lowest daily minimum	82
Heaviest daily rainfall	363
Heaviest daily snowfall	0
Deepest snow cover	8

Records on 13 May 1978 by timescale: all-time 2, monthly 35, daily 895.

How Much Records Were Beaten By

800 broken records

Margins by which the 800 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.0. Ties are not counted.

Top 20 by Significance

13 May 1978

Top 20 records on 13 May 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 May 1978	Fond du Lac Wwtp, US	daily rain	70.1 mm (2.8 in)	48.0 mm (1.9 in)	73 years	70 of 100 (Major)
13 May 1978	Manitowoc, US	daily rain	61.0 mm (2.4 in)	43.0 mm (1.7 in)	73 years	70 of 100 (Major)
13 May 1978	Oshkosh, US	daily rain	68.6 mm (2.7 in)	44.7 mm (1.8 in)	73 years	70 of 100 (Major)
13 May 1978	Newport, US	daily rain	52.8 mm (2.1 in)	36.8 mm (1.4 in)	75 years	70 of 100 (Major)
13 May 1978	Chatham Exp Fa, US	daily rain	63.5 mm (2.5 in)	46.5 mm (1.8 in)	73 years	69 of 100 (Major)
13 May 1978	Marengo, US	daily rain	73.7 mm (2.9 in)	35.3 mm (1.4 in)	69 years	64 of 100 (Major)
13 May 1978	Plymouth Wwtp, US	daily rain	74.4 mm (2.9 in)	38.1 mm (1.5 in)	53 years	62 of 100 (Major)
13 May 1978	Danville, US	daily rain	82.8 mm (3.3 in)	50.5 mm (2.0 in)	44 years	61 of 100 (Major)
13 May 1978	Tuscola, US	daily rain	82.8 mm (3.3 in)	47.7 mm (1.9 in)	44 years	61 of 100 (Major)
13 May 1978	Mt Mary College, US	monthly rain	73.9 mm (2.9 in)	29.4 mm (1.2 in)	18 years	54 of 100 (Notable)
13 May 1978	West Bend, US	daily rain	57.9 mm (2.3 in)	19.8 mm (0.8 in)	81 years	53 of 100 (Notable)
13 May 1978	Chilton, US	daily rain	71.9 mm (2.8 in)	38.4 mm (1.5 in)	21 years	52 of 100 (Notable)
13 May 1978	Mc Minnville, US	daily rain	30.2 mm (1.2 in)	19.0 mm (0.7 in)	32 years	51 of 100 (Notable)
13 May 1978	Kewaunee, US	daily rain	76.2 mm (3.0 in)	47.0 mm (1.9 in)	16 years	51 of 100 (Notable)
13 May 1978	Darlington Wwtp, US	monthly rain	85.6 mm (3.4 in)	21.6 mm (0.9 in)	44 years	50 of 100 (Notable)
13 May 1978	El Dorado 1 SSW, US	daily rain	77.5 mm (3.1 in)	61.2 mm (2.4 in)	21 years	50 of 100 (Notable)
13 May 1978	Danville Sewage Plt, US	daily rain	54.9 mm (2.2 in)	49.6 mm (2.0 in)	23 years	49 of 100 (Notable)
13 May 1978	Appleton, US	daily rain	42.7 mm (1.7 in)	18.6 mm (0.7 in)	73 years	49 of 100 (Notable)
13 May 1978	Baraboo Wwtp, US	monthly rain	86.4 mm (3.4 in)	25.9 mm (1.0 in)	18 years	49 of 100 (Notable)
13 May 1978	Beaver Dam Wwtp, US	all-time rain	97.0 mm (3.8 in)	17.2 mm (0.7 in)	11 years	49 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

1794 to 1978

Records set or tied on this calendar date in each year from 1794 to 1978. 1978 had 932 records.

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

Records on 05-13 in each year
Year	Records
1794	1
1799	1
1806	1
1811	1
1814	1
1816	1
1820	1
1833	1
1834	1
1842	1
1848	2
1851	1
1859	1
1860	2
1866	1
1867	1
1868	1
1876	1
1877	1
1878	1
1879	3
1881	4
1882	2
1883	2
1884	1
1885	3
1886	4
1887	1
1889	1
1890	2
1891	2
1893	1
1894	3
1895	5
1896	7
1897	6
1898	2
1899	2
1900	6
1901	5
1902	6
1903	4
1904	14
1905	16
1906	31
1907	25
1908	26
1909	10
1910	24
1911	22
1912	51
1913	50
1914	118
1915	133
1916	39
1917	91
1918	208
1919	37
1920	34
1921	62
1922	45
1923	140
1924	97
1925	130
1926	101
1927	165
1928	227
1929	145
1930	197
1931	386
1932	268
1933	709
1934	263
1935	319
1936	319
1937	186
1938	443
1939	309
1940	495
1941	662
1942	650
1943	605
1944	369
1945	507
1946	349
1947	299
1948	382
1949	462
1950	331
1951	538
1952	412
1953	1,053
1954	311
1955	502
1956	1,420
1957	481
1958	632
1959	592
1960	1,466
1961	556
1962	978
1963	451
1964	469
1965	266
1966	683
1967	609
1968	975
1969	663
1970	723
1971	843
1972	444
1973	546
1974	1,122
1975	381
1976	549
1977	834
1978	932
1979	633
1980	563
1981	469
1982	953
1983	1,041
1984	1,005
1985	939
1986	776
1987	1,101
1988	876
1989	669
1990	719
1991	1,046
1992	962
1993	950
1994	620
1995	1,883
1996	1,980
1997	1,113
1998	1,402
1999	727
2000	1,197
2001	1,142
2002	1,225
2003	695
2004	1,328
2005	889
2006	777
2007	655
2008	663
2009	690
2010	1,362
2011	715
2012	732
2013	1,051
2014	978
2015	632
2016	385
2017	572
2018	949
2019	524
2020	894
2021	656
2022	1,727
2023	550
2024	488
2025	887
2026	1,026

Download the Data

Data for records on 1978-05-13: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).