Weather Records on 4 July 1978

1,020 weather records were set or tied worldwide on 4 July 1978. Highest significance: Riggins, US.

Key Facts for 4 July 1978

On 4 July 1978, 1,020 weather records were set or tied at long-record stations worldwide.
190 were record highs and 461 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 71 monthly and 946 daily.
Riggins set an all-time record daily precipitation of 63.2 mm (2.5 in) on 4 July 1978.
Across 163 earlier years (1806 to 2026) the same calendar date averaged 419 records.

Record Map

1,020 stations

1,020 station records on 4 July 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 July 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Riggins	United States	Record daily precipitation	63.2 mm (2.5 in)	87 of 100 (Exceptional)
Denton	United States	Record daily precipitation	64.8 mm (2.6 in)	66 of 100 (Major)
Middletown 4 W	United States	Record daily precipitation	77.0 mm (3.0 in)	64 of 100 (Major)
Browning	United States	Record daily precipitation	47.5 mm (1.9 in)	63 of 100 (Major)
Grangeville	United States	Record daily precipitation	49.8 mm (2.0 in)	57 of 100 (Notable)
Coatesville 1 SW	United States	Record daily precipitation	81.0 mm (3.2 in)	57 of 100 (Notable)
Williston Sloulin Fld	United States	Record daily precipitation	56.9 mm (2.2 in)	57 of 100 (Notable)
Innsbruck	Austria	Record daily precipitation	44.9 mm (1.8 in)	55 of 100 (Notable)
Nantucket Mem AP	United States	Record daily precipitation	111.0 mm (4.4 in)	55 of 100 (Notable)
Long Branch-Oakhurst	United States	Record daily precipitation	89.4 mm (3.5 in)	53 of 100 (Notable)
Scheveningen	Netherlands	Record daily precipitation	25.7 mm (1.0 in)	52 of 100 (Notable)
Hagerstown	United States	Record low maximum temperature	19.4 C (66.9 F)	52 of 100 (Notable)
Lynch	United States	Record daily precipitation	63.5 mm (2.5 in)	51 of 100 (Notable)
Francisco Sa (Efbm)	Brazil	Record daily precipitation	25.2 mm (1.0 in)	50 of 100 (Notable)
Arrowrock Dam	United States	Record daily precipitation	26.4 mm (1.0 in)	50 of 100 (Notable)
Susquehanna	United States	Record daily precipitation	66.3 mm (2.6 in)	50 of 100 (Notable)
Goldbutte 7 N	United States	Record daily precipitation	40.1 mm (1.6 in)	49 of 100 (Notable)
Alapajevsk	Russia	Record daily precipitation	55.2 mm (2.2 in)	48 of 100 (Notable)
Augusta	United States	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Hobson	United States	Record daily precipitation	27.7 mm (1.1 in)	47 of 100 (Notable)
Artemovsky	Russia	Record daily precipitation	54.4 mm (2.1 in)	46 of 100 (Notable)
New Milford	United States	Record daily precipitation	57.2 mm (2.3 in)	46 of 100 (Notable)
Woodcliff Lake	United States	Record daily precipitation	59.4 mm (2.3 in)	46 of 100 (Notable)
Epping	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Seaspray (Burong)	Australia	Record daily precipitation	26.6 mm (1.0 in)	45 of 100 (Notable)
Mays Landing 1 W	United States	Record daily precipitation	118.1 mm (4.6 in)	45 of 100 (Notable)
Windham 3 E	United States	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Norristown	United States	Record daily precipitation	71.4 mm (2.8 in)	45 of 100 (Notable)
W Chester 2 NW	United States	Record daily precipitation	77.5 mm (3.1 in)	45 of 100 (Notable)
Tioga 1E	United States	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Martinsdale 3 NNW	United States	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Freehold-Marlboro	United States	Record daily precipitation	74.7 mm (2.9 in)	43 of 100 (Notable)
Bridgehampton	United States	Record daily precipitation	79.5 mm (3.1 in)	43 of 100 (Notable)
Setauket Strong	United States	Record daily precipitation	65.5 mm (2.6 in)	43 of 100 (Notable)
Winnemucca AP	United States	Record low minimum temperature	1.1 C (34.0 F)	43 of 100 (Notable)
Barra de Sao Francisco	Brazil	Record daily precipitation	27.6 mm (1.1 in)	42 of 100 (Notable)
Arkville 2 W	United States	Record daily precipitation	73.4 mm (2.9 in)	42 of 100 (Notable)
Chemung	United States	Record daily precipitation	37.3 mm (1.5 in)	42 of 100 (Notable)
Santa Cruz-Litoral	Brazil	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
Marseille Obs. Palais-Lonchamp	France	Record low maximum temperature	19.2 C (66.6 F)	41 of 100 (Notable)
Nevelsk	Russia	Record daily precipitation	42.1 mm (1.7 in)	41 of 100 (Notable)
Pelahatchie	United States	Record daily precipitation	77.5 mm (3.1 in)	41 of 100 (Notable)
Towson	United States	Record low maximum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
W Pt	United States	Record low maximum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Podor	Senegal	Record high minimum temperature	29.9 C (85.8 F)	38 of 100 (Notable)
Armagh	United Kingdom	Record low maximum temperature	12.3 C (54.1 F)	38 of 100 (Notable)
Belvidere	United States	Record daily precipitation	29.7 mm (1.2 in)	38 of 100 (Notable)
Boonton 1 SE	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Elmira	United States	Record daily precipitation	36.6 mm (1.4 in)	38 of 100 (Notable)
Patchogue 2 N	United States	Record daily precipitation	73.9 mm (2.9 in)	38 of 100 (Notable)
Kennebec	United States	Record high minimum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Garmisch-Partenkirchen	Germany	Record daily precipitation	58.3 mm (2.3 in)	37 of 100 (Notable)
Brockton	United States	Record daily precipitation	47.5 mm (1.9 in)	37 of 100 (Notable)
Tekoa	United States	Record daily precipitation	34.8 mm (1.4 in)	37 of 100 (Notable)
Bom Jesus Do Galho	Brazil	Record daily precipitation	37.6 mm (1.5 in)	36 of 100 (Notable)
Arteaga (Smn)	Mexico	Record daily precipitation	49.8 mm (2.0 in)	36 of 100 (Notable)
Kamiah	United States	Record daily precipitation	26.9 mm (1.1 in)	36 of 100 (Notable)
Jersey City	United States	Record daily precipitation	51.8 mm (2.0 in)	36 of 100 (Notable)
Riddle	United States	Record low maximum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Wilmington New Castle Co AP	United States	Record low maximum temperature	18.3 C (64.9 F)	36 of 100 (Notable)

Counts by Type and Timescale

1,020 records

Records set or tied on 4 July 1978 by type: Highest daily maximum 68, Lowest daily maximum 369, Highest daily minimum 122, Lowest daily minimum 92, Heaviest daily rainfall 369.

Records on 4 July 1978 by type
Record type	Records
Highest daily maximum	68
Lowest daily maximum	369
Highest daily minimum	122
Lowest daily minimum	92
Heaviest daily rainfall	369
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 July 1978 by timescale: all-time 3, monthly 71, daily 946.

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 107.4. Ties are not counted.

Top 20 by Significance

4 July 1978

Top 20 records on 4 July 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 July 1978	Riggins, US	all-time rain	63.2 mm (2.5 in)	18.7 mm (0.7 in)	71 years	87 of 100 (Exceptional)
4 July 1978	Denton, US	monthly rain	64.8 mm (2.6 in)	21.9 mm (0.9 in)	57 years	66 of 100 (Major)
4 July 1978	Middletown 4 W, US	daily rain	77.0 mm (3.0 in)	45.0 mm (1.8 in)	72 years	64 of 100 (Major)
4 July 1978	Browning, US	daily rain	47.5 mm (1.9 in)	38.4 mm (1.5 in)	51 years	63 of 100 (Major)
4 July 1978	Grangeville, US	monthly rain	49.8 mm (2.0 in)	17.3 mm (0.7 in)	22 years	57 of 100 (Notable)
4 July 1978	Coatesville 1 SW, US	daily rain	81.0 mm (3.2 in)	42.1 mm (1.7 in)	69 years	57 of 100 (Notable)
4 July 1978	Williston Sloulin Fld, US	daily rain	56.9 mm (2.2 in)	23.9 mm (0.9 in)	77 years	57 of 100 (Notable)
4 July 1978	Innsbruck, AT	daily rain	44.9 mm (1.8 in)	30.2 mm (1.2 in)	52 years	55 of 100 (Notable)
4 July 1978	Nantucket Mem AP, US	monthly rain	111.0 mm (4.4 in)	43.7 mm (1.7 in)	16 years	55 of 100 (Notable)
4 July 1978	Long Branch-Oakhurst, US	daily rain	89.4 mm (3.5 in)	63.5 mm (2.5 in)	36 years	53 of 100 (Notable)
4 July 1978	Scheveningen, NL	daily rain	25.7 mm (1.0 in)	12.0 mm (0.5 in)	78 years	52 of 100 (Notable)
4 July 1978	Hagerstown, US	daily low max	19.4 C (66.9 F)	6.2 C (11.2 F)	82 years	52 of 100 (Notable)
4 July 1978	Lynch, US	daily rain	63.5 mm (2.5 in)	27.2 mm (1.1 in)	76 years	51 of 100 (Notable)
4 July 1978	Francisco Sa (Efbm), BR	daily rain	25.2 mm (1.0 in)	17.1 mm (0.7 in)	25 years	50 of 100 (Notable)
4 July 1978	Arrowrock Dam, US	daily rain	26.4 mm (1.0 in)	20.0 mm (0.8 in)	37 years	50 of 100 (Notable)
4 July 1978	Susquehanna, US	daily rain	66.3 mm (2.6 in)	56.9 mm (2.2 in)	20 years	50 of 100 (Notable)
4 July 1978	Goldbutte 7 N, US	daily rain	40.1 mm (1.6 in)	21.0 mm (0.8 in)	45 years	49 of 100 (Notable)
4 July 1978	Alapajevsk, RU	all-time rain	55.2 mm (2.2 in)	9.4 mm (0.37 in)	38 years	48 of 100 (Notable)
4 July 1978	Augusta, US	daily rain	33.5 mm (1.3 in)	20.5 mm (0.8 in)	51 years	47 of 100 (Notable)
4 July 1978	Hobson, US	daily rain	27.7 mm (1.1 in)	17.3 mm (0.7 in)	57 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

1806 to 1978

Records set or tied on this calendar date in each year from 1806 to 1978. 1978 had 1,020 records.

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

Records on 07-04 in each year
Year	Records
1806	1
1815	2
1827	1
1828	1
1836	1
1837	1
1838	1
1839	2
1845	1
1850	1
1852	1
1856	2
1858	2
1859	1
1860	1
1863	1
1867	1
1868	1
1873	1
1874	2
1875	1
1877	1
1878	1
1879	1
1883	2
1887	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	3
1895	1
1896	2
1897	3
1898	6
1899	4
1900	10
1901	5
1902	8
1903	7
1904	12
1905	6
1906	15
1907	26
1908	14
1909	20
1910	33
1911	62
1912	28
1913	25
1914	48
1915	36
1916	25
1917	107
1918	72
1919	49
1920	105
1921	50
1922	61
1923	59
1924	230
1925	137
1926	139
1927	290
1928	150
1929	255
1930	276
1931	479
1932	635
1933	459
1934	521
1935	319
1936	1,189
1937	341
1938	353
1939	389
1940	504
1941	409
1942	495
1943	348
1944	553
1945	151
1946	288
1947	258
1948	293
1949	474
1950	335
1951	388
1952	285
1953	431
1954	291
1955	433
1956	381
1957	449
1958	517
1959	280
1960	562
1961	525
1962	619
1963	417
1964	383
1965	258
1966	473
1967	935
1968	668
1969	746
1970	675
1971	385
1972	1,195
1973	656
1974	546
1975	879
1976	785
1977	593
1978	1,020
1979	604
1980	674
1981	850
1982	858
1983	942
1984	851
1985	729
1986	1,129
1987	611
1988	1,158
1989	981
1990	871
1991	872
1992	1,023
1993	1,053
1994	1,131
1995	1,128
1996	1,014
1997	1,251
1998	925
1999	1,632
2000	891
2001	1,120
2002	1,152
2003	617
2004	668
2005	834
2006	924
2007	1,052
2008	764
2009	845
2010	1,124
2011	777
2012	1,205
2013	866
2014	456
2015	1,384
2016	919
2017	496
2018	653
2019	528
2020	365
2021	789
2022	700
2023	627
2024	765
2025	737
2026	717

Download the Data

Data for records on 1978-07-04: 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	744
20 to 40	43
40 to 60	10
60 to 80	1
80 to 100	1
100 to 120	1