Weather Records on 19 July 1978

636 weather records were set or tied worldwide on 19 July 1978. Highest significance: Vytegra, RU.

Key Facts for 19 July 1978

On 19 July 1978, 636 weather records were set or tied at long-record stations worldwide.
286 were record highs and 153 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 9 monthly and 623 daily.
Vytegra set a daily record precipitation of 30.9 mm (1.2 in) on 19 July 1978.
Across 164 earlier years (1799 to 2026) the same calendar date averaged 439 records.

Record Map

636 stations

636 station records on 19 July 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 July 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vytegra	Russia	Record daily precipitation	30.9 mm (1.2 in)	59 of 100 (Notable)
Lafayette Rgnl AP	United States	Record daily precipitation	100.3 mm (3.9 in)	55 of 100 (Notable)
Santa Luzia	Brazil	Record daily precipitation	45.0 mm (1.8 in)	49 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low maximum temperature	27.2 C (81.0 F)	49 of 100 (Notable)
Cardenas (Smn)	Mexico	Record daily precipitation	47.5 mm (1.9 in)	47 of 100 (Notable)
Beatrice	United States	Record daily precipitation	55.6 mm (2.2 in)	45 of 100 (Notable)
Haggarda	Sweden	Record daily precipitation	32.2 mm (1.3 in)	44 of 100 (Notable)
Matagorda #2	United States	Record daily precipitation	120.4 mm (4.7 in)	43 of 100 (Notable)
Karlshamn	Sweden	Record low minimum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Duncan	United States	Record high maximum temperature	41.7 C (107.1 F)	40 of 100 (Notable)
Woodward Fld STN	United States	Record daily precipitation	64.8 mm (2.6 in)	39 of 100 (Notable)
Arteaga (Smn)	Mexico	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
New Orleans Audubon	United States	Record high minimum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Los Gatos	United States	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Loxahatchee	United States	Record daily precipitation	101.1 mm (4.0 in)	37 of 100 (Notable)
Denton	United States	Record low maximum temperature	17.2 C (63.0 F)	37 of 100 (Notable)
Caraubas (Caraibeiras)	Brazil	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Fort Huachuca	United States	Record high maximum temperature	37.8 C (100.0 F)	36 of 100 (Notable)
Miles City	United States	Record low minimum temperature	6.1 C (43.0 F)	35 of 100 (Notable)
Sharon	United States	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Oberlin	United States	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
San Saba	United States	Record high minimum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Fergana	Uzbekistan	Record high minimum temperature	25.5 C (77.9 F)	34 of 100 (Routine)
Ecum Secum	Canada	Record high maximum temperature	30.0 C (86.0 F)	33 of 100 (Routine)
Busby	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Simplicio Mendes	Brazil	Record daily precipitation	28.0 mm (1.1 in)	32 of 100 (Routine)
Mecca Fire STN	United States	Record high maximum temperature	47.8 C (118.0 F)	32 of 100 (Routine)
Mio Hydro Plt	United States	Record high minimum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Red Lake Falls	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Tecumseh 1S	United States	Record daily precipitation	71.1 mm (2.8 in)	32 of 100 (Routine)
Fargo Hector Intl AP	United States	Record daily precipitation	36.8 mm (1.4 in)	32 of 100 (Routine)
Tucson Intl AP	United States	Record high minimum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Nordby (Fano)	Denmark	Record low minimum temperature	6.0 C (42.8 F)	31 of 100 (Routine)
Lugansk	Ukraine	Record low minimum temperature	7.5 C (45.5 F)	31 of 100 (Routine)
Gila Bend 2SE	United States	Record high maximum temperature	48.9 C (120.0 F)	31 of 100 (Routine)
Willcox	United States	Record high maximum temperature	40.6 C (105.1 F)	31 of 100 (Routine)
Belle Plaine	United States	Record daily precipitation	64.8 mm (2.6 in)	31 of 100 (Routine)
Oskaloosa	United States	Record daily precipitation	36.3 mm (1.4 in)	30 of 100 (Routine)
Scott Cda	Canada	Record low minimum temperature	1.5 C (34.7 F)	29 of 100 (Routine)
Tonichi	Mexico	Record high minimum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Casa Grande	United States	Record high maximum temperature	46.1 C (115.0 F)	29 of 100 (Routine)
Vacaville	United States	Record low minimum temperature	6.7 C (44.1 F)	29 of 100 (Routine)
Miles City	United States	Record daily precipitation	27.7 mm (1.1 in)	29 of 100 (Routine)
Almont 7 W	United States	Record daily precipitation	32.8 mm (1.3 in)	29 of 100 (Routine)
Coupeville 1 S	United States	Record low minimum temperature	5.0 C (41.0 F)	29 of 100 (Routine)
Morgan City	United States	Record daily precipitation	64.8 mm (2.6 in)	28 of 100 (Routine)
Bridger 2 N	United States	Record low maximum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Virginia	United States	Record daily precipitation	54.1 mm (2.1 in)	28 of 100 (Routine)
Westfield 2 SSE	United States	Record high maximum temperature	30.6 C (87.1 F)	28 of 100 (Routine)
San Luis Rio Colorado (Smn)	Mexico	Record high maximum temperature	50.0 C (122.0 F)	27 of 100 (Routine)
Dilia	United States	Record high minimum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Adelaide West Terrace	Australia	Record high minimum temperature	12.4 C (54.3 F)	26 of 100 (Routine)
Kaunas	Lithuania	Record low minimum temperature	5.1 C (41.2 F)	26 of 100 (Routine)
Grinnell 3 SW	United States	Record daily precipitation	91.7 mm (3.6 in)	26 of 100 (Routine)
Penn Yan	United States	Record low minimum temperature	5.6 C (42.1 F)	26 of 100 (Routine)
Escarcega (Smn)	Mexico	Record high minimum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Ft Assiniboine	United States	Record low minimum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Hachita 1W	United States	Record high maximum temperature	39.4 C (102.9 F)	25 of 100 (Routine)
Hico	United States	Record high minimum temperature	27.2 C (81.0 F)	25 of 100 (Routine)
Deaver	United States	Record low maximum temperature	22.2 C (72.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

636 records

Records set or tied on 19 July 1978 by type: Highest daily maximum 135, Lowest daily maximum 75, Highest daily minimum 151, Lowest daily minimum 78, Heaviest daily rainfall 197.

Records on 19 July 1978 by type
Record type	Records
Highest daily maximum	135
Lowest daily maximum	75
Highest daily minimum	151
Lowest daily minimum	78
Heaviest daily rainfall	197
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 19 July 1978 by timescale: all-time 4, monthly 9, daily 623.

How Much Records Were Beaten By

476 broken records

Margins by which the 476 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.2. Ties are not counted.

Top 20 by Significance

19 July 1978

Top 20 records on 19 July 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 July 1978	Vytegra, RU	daily rain	30.9 mm (1.2 in)	16.0 mm (0.6 in)	87 years	59 of 100 (Notable)
19 July 1978	Lafayette Rgnl AP, US	daily rain	100.3 mm (3.9 in)	41.1 mm (1.6 in)	73 years	55 of 100 (Notable)
19 July 1978	Santa Luzia, BR	daily rain	45.0 mm (1.8 in)	38.0 mm (1.5 in)	12 years	49 of 100 (Notable)
19 July 1978	Coloso, PR	daily low max	27.2 C (81.0 F)	2.2 C (4.0 F)	64 years	49 of 100 (Notable)
19 July 1978	Cardenas (Smn), MX	daily rain	47.5 mm (1.9 in)	39.1 mm (1.5 in)	36 years	47 of 100 (Notable)
19 July 1978	Beatrice, US	daily rain	55.6 mm (2.2 in)	25.1 mm (1.0 in)	82 years	45 of 100 (Notable)
19 July 1978	Haggarda, SE	daily rain	32.2 mm (1.3 in)	21.2 mm (0.8 in)	28 years	44 of 100 (Notable)
19 July 1978	Matagorda #2, US	daily rain	120.4 mm (4.7 in)	76.2 mm (3.0 in)	11 years	43 of 100 (Notable)
19 July 1978	Karlshamn, SE	daily low min	6.7 C (44.1 F)	1.3 C (2.3 F)	88 years	40 of 100 (Notable)
19 July 1978	Duncan, US	daily high max	41.7 C (107.1 F)	3.4 C (6.1 F)	72 years	40 of 100 (Notable)
19 July 1978	Woodward Fld STN, US	daily rain	64.8 mm (2.6 in)	43.7 mm (1.7 in)	5 years	39 of 100 (Notable)
19 July 1978	Arteaga (Smn), MX	daily rain	30.0 mm (1.2 in)	22.9 mm (0.9 in)	36 years	38 of 100 (Notable)
19 July 1978	New Orleans Audubon, US	daily high min	26.7 C (80.1 F)	1.1 C (2.0 F)	77 years	38 of 100 (Notable)
19 July 1978	Los Gatos, US	daily high min	18.9 C (66.0 F)	2.2 C (4.0 F)	68 years	37 of 100 (Notable)
19 July 1978	Loxahatchee, US	daily rain	101.1 mm (4.0 in)	39.4 mm (1.6 in)	31 years	37 of 100 (Notable)
19 July 1978	Denton, US	daily low max	17.2 C (63.0 F)	5.6 C (10.1 F)	63 years	37 of 100 (Notable)
19 July 1978	Caraubas (Caraibeiras), BR	daily rain	31.8 mm (1.3 in)	18.8 mm (0.7 in)	29 years	36 of 100 (Notable)
19 July 1978	Fort Huachuca, US	daily high max	37.8 C (100.0 F)	2.2 C (4.0 F)	76 years	36 of 100 (Notable)
19 July 1978	Miles City, US	daily low min	6.1 C (43.0 F)	1.1 C (2.0 F)	82 years	35 of 100 (Notable)
19 July 1978	Sharon, US	daily rain	25.9 mm (1.0 in)	14.2 mm (0.6 in)	55 years	35 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

1799 to 1978

Records set or tied on this calendar date in each year from 1799 to 1978. 1978 had 636 records.

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

Records on 07-19 in each year
Year	Records
1799	1
1805	1
1809	1
1811	1
1837	1
1838	1
1839	1
1843	1
1845	2
1848	1
1851	1
1859	2
1863	2
1864	1
1865	2
1867	1
1868	1
1870	1
1871	3
1873	2
1874	3
1878	2
1880	1
1881	2
1883	1
1886	3
1887	1
1888	3
1889	1
1890	5
1892	3
1893	2
1894	4
1895	2
1896	1
1897	4
1898	2
1899	3
1900	6
1901	4
1902	12
1903	4
1904	15
1905	20
1906	14
1907	19
1908	21
1909	17
1910	49
1911	14
1912	39
1913	48
1914	35
1915	140
1916	234
1917	177
1918	36
1919	34
1920	50
1921	55
1922	121
1923	224
1924	191
1925	153
1926	319
1927	96
1928	148
1929	232
1930	585
1931	269
1932	385
1933	258
1934	765
1935	268
1936	402
1937	227
1938	290
1939	285
1940	338
1941	424
1942	568
1943	276
1944	361
1945	308
1946	485
1947	613
1948	384
1949	762
1950	613
1951	545
1952	541
1953	330
1954	535
1955	343
1956	552
1957	348
1958	481
1959	393
1960	746
1961	402
1962	453
1963	502
1964	534
1965	755
1966	481
1967	560
1968	740
1969	610
1970	545
1971	636
1972	699
1973	538
1974	513
1975	441
1976	824
1977	898
1978	636
1979	964
1980	835
1981	915
1982	676
1983	1,011
1984	1,076
1985	569
1986	810
1987	1,608
1988	995
1989	1,081
1990	954
1991	803
1992	717
1993	847
1994	589
1995	893
1996	1,353
1997	856
1998	1,325
1999	878
2000	1,802
2001	905
2002	985
2003	1,192
2004	1,082
2005	1,049
2006	1,392
2007	1,181
2008	753
2009	1,844
2010	911
2011	1,266
2012	878
2013	1,061
2014	1,207
2015	735
2016	605
2017	495
2018	836
2019	651
2020	409
2021	779
2022	1,143
2023	884
2024	544
2025	600
2026	653

Download the Data

Data for records on 1978-07-19: 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 10	424
10 to 20	37
20 to 30	7
30 to 40	4
40 to 50	3
50 to 60	0
60 to 70	0
70 to 80	1