Weather Records on 2 August 1978

685 weather records were set or tied worldwide on 2 August 1978. Highest significance: Tuscola, US.

Key Facts for 2 August 1978

On 2 August 1978, 685 weather records were set or tied at long-record stations worldwide.
125 were record highs and 360 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 19 monthly and 664 daily.
Tuscola set a daily record precipitation of 134.6 mm (5.3 in) on 2 August 1978.
Across 163 earlier years (1812 to 2026) the same calendar date averaged 436 records.

Record Map

685 stations

685 station records on 2 August 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 August 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tuscola	United States	Record daily precipitation	134.6 mm (5.3 in)	65 of 100 (Major)
Brookfield	United States	Record daily precipitation	147.6 mm (5.8 in)	60 of 100 (Major)
Sonora	United States	Record low maximum temperature	25.6 C (78.1 F)	51 of 100 (Notable)
Fredericksburg	United States	Record daily precipitation	190.5 mm (7.5 in)	50 of 100 (Notable)
Kenai AP	United States	Record high maximum temperature	26.7 C (80.1 F)	50 of 100 (Notable)
Chester	United States	Record daily precipitation	64.8 mm (2.6 in)	49 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low maximum temperature	27.2 C (81.0 F)	48 of 100 (Notable)
Raleigh State UNIV	United States	Record daily precipitation	58.4 mm (2.3 in)	47 of 100 (Notable)
Harper 3ENE	United States	Record daily precipitation	111.0 mm (4.4 in)	47 of 100 (Notable)
Sioux City 8 N	United States	Record daily precipitation	59.9 mm (2.4 in)	46 of 100 (Notable)
Martinsburg	United States	Record daily precipitation	67.3 mm (2.6 in)	44 of 100 (Notable)
Luling	United States	Record low maximum temperature	27.2 C (81.0 F)	44 of 100 (Notable)
Putnam	United States	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Merced	United States	Record low minimum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
Decatur Wtp	United States	Record daily precipitation	119.6 mm (4.7 in)	41 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	59.7 mm (2.4 in)	41 of 100 (Notable)
Minnedosa	Canada	Record low maximum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Carrollton	United States	Record daily precipitation	84.6 mm (3.3 in)	40 of 100 (Notable)
Menard	United States	Record daily precipitation	83.6 mm (3.3 in)	39 of 100 (Notable)
Atchison	United States	Record daily precipitation	54.4 mm (2.1 in)	38 of 100 (Notable)
Blanco	United States	Record daily precipitation	56.4 mm (2.2 in)	38 of 100 (Notable)
Camp Wood	United States	Record daily precipitation	102.9 mm (4.1 in)	38 of 100 (Notable)
Naponee	United States	Record daily precipitation	55.9 mm (2.2 in)	37 of 100 (Notable)
Amery	United States	Record daily precipitation	74.9 mm (2.9 in)	37 of 100 (Notable)
Niagara Falls	Canada	Record daily precipitation	37.4 mm (1.5 in)	36 of 100 (Notable)
Hialeah	United States	Record daily precipitation	68.6 mm (2.7 in)	36 of 100 (Notable)
Vineland Station	Canada	Record daily precipitation	67.8 mm (2.7 in)	35 of 100 (Notable)
San Diego de la Union	Mexico	Record daily precipitation	47.5 mm (1.9 in)	35 of 100 (Notable)
Valsjon	Sweden	Record daily precipitation	26.7 mm (1.1 in)	35 of 100 (Notable)
Mexico	United States	Record daily precipitation	48.3 mm (1.9 in)	35 of 100 (Notable)
Vandalia	United States	Record daily precipitation	56.1 mm (2.2 in)	35 of 100 (Notable)
Santa Fe del Rio	Mexico	Record low maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Hunt 3 SW	United States	Record daily precipitation	174.0 mm (6.9 in)	34 of 100 (Routine)
Llano	United States	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Halmstad	Sweden	Record high minimum temperature	17.9 C (64.2 F)	33 of 100 (Routine)
Orebro	Sweden	Record high minimum temperature	16.4 C (61.5 F)	33 of 100 (Routine)
Sidell 4N	United States	Record daily precipitation	33.8 mm (1.3 in)	33 of 100 (Routine)
Chester	United States	Record low maximum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Pennant	Canada	Record low minimum temperature	-2.0 C (28.4 F)	32 of 100 (Routine)
Poronajsk	Russia	Record daily precipitation	47.8 mm (1.9 in)	32 of 100 (Routine)
Cordele	United States	Record low minimum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Paris Stp	United States	Record daily precipitation	80.0 mm (3.1 in)	32 of 100 (Routine)
Ft Benton	United States	Record low maximum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Newcastle	United States	Record daily precipitation	44.5 mm (1.8 in)	32 of 100 (Routine)
Superior	United States	Record daily precipitation	47.0 mm (1.9 in)	32 of 100 (Routine)
Hightstown 2 W	United States	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Mason	United States	Record daily precipitation	113.0 mm (4.4 in)	32 of 100 (Routine)
Garland 1 NE	United States	Record low minimum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Indian Head Cda	Canada	Record low maximum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Regina Int'l A	Canada	Record low minimum temperature	2.3 C (36.1 F)	31 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	14.9 C (58.8 F)	31 of 100 (Routine)
Sabinal	United States	Record daily precipitation	74.7 mm (2.9 in)	31 of 100 (Routine)
Alliance	Canada	Record low minimum temperature	1.0 C (33.8 F)	30 of 100 (Routine)
Klintonel	Canada	Record low maximum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Grimsby	Canada	Record daily precipitation	43.0 mm (1.7 in)	30 of 100 (Routine)
Pojarkovo	Russia	Record daily precipitation	48.5 mm (1.9 in)	30 of 100 (Routine)
Rockville 1 NE	United States	Record low maximum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Caledonia	United States	Record low maximum temperature	18.3 C (64.9 F)	30 of 100 (Routine)
Auxvasse 4 SSW	United States	Record daily precipitation	40.4 mm (1.6 in)	30 of 100 (Routine)
Choteau	United States	Record low maximum temperature	17.8 C (64.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

685 records

Records set or tied on 2 August 1978 by type: Highest daily maximum 59, Lowest daily maximum 216, Highest daily minimum 66, Lowest daily minimum 144, Heaviest daily rainfall 200.

Records on 2 August 1978 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	216
Highest daily minimum	66
Lowest daily minimum	144
Heaviest daily rainfall	200
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 2 August 1978 by timescale: all-time 2, monthly 19, daily 664.

How Much Records Were Beaten By

557 broken records

Margins by which the 557 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.9. Ties are not counted.

Top 20 by Significance

2 August 1978

Top 20 records on 2 August 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 August 1978	Tuscola, US	daily rain	134.6 mm (5.3 in)	107.4 mm (4.2 in)	56 years	65 of 100 (Major)
2 August 1978	Brookfield, US	monthly rain	147.6 mm (5.8 in)	79.0 mm (3.1 in)	23 years	60 of 100 (Major)
2 August 1978	Sonora, US	daily low max	25.6 C (78.1 F)	6.1 C (11.0 F)	73 years	51 of 100 (Notable)
2 August 1978	Fredericksburg, US	daily rain	190.5 mm (7.5 in)	150.9 mm (5.9 in)	7 years	50 of 100 (Notable)
2 August 1978	Kenai AP, US	daily high max	26.7 C (80.1 F)	5.6 C (10.1 F)	76 years	50 of 100 (Notable)
2 August 1978	Chester, US	daily rain	64.8 mm (2.6 in)	53.4 mm (2.1 in)	24 years	49 of 100 (Notable)
2 August 1978	Coloso, PR	daily low max	27.2 C (81.0 F)	2.8 C (5.0 F)	49 years	48 of 100 (Notable)
2 August 1978	Raleigh State UNIV, US	daily rain	58.4 mm (2.3 in)	23.6 mm (0.9 in)	84 years	47 of 100 (Notable)
2 August 1978	Harper 3ENE, US	daily rain	111.0 mm (4.4 in)	102.1 mm (4.0 in)	3 years	47 of 100 (Notable)
2 August 1978	Sioux City 8 N, US	daily rain	59.9 mm (2.4 in)	48.5 mm (1.9 in)	19 years	46 of 100 (Notable)
2 August 1978	Martinsburg, US	daily rain	67.3 mm (2.6 in)	53.1 mm (2.1 in)	16 years	44 of 100 (Notable)
2 August 1978	Luling, US	daily low max	27.2 C (81.0 F)	3.9 C (7.0 F)	75 years	44 of 100 (Notable)
2 August 1978	Putnam, US	daily rain	45.0 mm (1.8 in)	28.7 mm (1.1 in)	67 years	43 of 100 (Notable)
2 August 1978	Merced, US	daily low min	5.6 C (42.1 F)	3.8 C (6.8 F)	72 years	42 of 100 (Notable)
2 August 1978	Decatur Wtp, US	monthly rain	119.6 mm (4.7 in)	7.8 mm (0.31 in)	62 years	41 of 100 (Notable)
2 August 1978	Hillsboro, US	daily rain	59.7 mm (2.4 in)	44.5 mm (1.8 in)	16 years	41 of 100 (Notable)
2 August 1978	Minnedosa, CA	daily low max	14.4 C (57.9 F)	1.7 C (3.1 F)	94 years	40 of 100 (Notable)
2 August 1978	Carrollton, US	daily rain	84.6 mm (3.3 in)	45.0 mm (1.8 in)	16 years	40 of 100 (Notable)
2 August 1978	Menard, US	daily rain	83.6 mm (3.3 in)	50.3 mm (2.0 in)	4 years	39 of 100 (Notable)
2 August 1978	Atchison, US	daily rain	54.4 mm (2.1 in)	21.9 mm (0.9 in)	56 years	38 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

1812 to 1978

Records set or tied on this calendar date in each year from 1812 to 1978. 1978 had 685 records.

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

Records on 08-02 in each year
Year	Records
1812	1
1816	2
1828	1
1829	1
1830	1
1835	1
1838	1
1840	1
1841	1
1842	1
1844	1
1855	1
1856	1
1859	1
1861	1
1863	3
1864	1
1867	1
1875	2
1877	2
1878	1
1879	1
1883	1
1884	1
1886	3
1887	1
1888	1
1889	2
1890	3
1891	2
1892	4
1893	2
1894	1
1895	2
1896	1
1898	2
1899	6
1900	7
1901	2
1902	10
1903	4
1904	9
1905	21
1906	21
1907	22
1908	39
1909	25
1910	15
1911	43
1912	52
1913	22
1914	15
1915	42
1916	53
1917	115
1918	37
1919	21
1920	45
1921	88
1922	39
1923	128
1924	138
1925	175
1926	200
1927	308
1928	262
1929	210
1930	600
1931	320
1932	334
1933	542
1934	458
1935	457
1936	391
1937	389
1938	544
1939	762
1940	237
1941	279
1942	354
1943	528
1944	487
1945	269
1946	377
1947	453
1948	455
1949	355
1950	504
1951	305
1952	268
1953	448
1954	371
1955	788
1956	670
1957	339
1958	360
1959	388
1960	637
1961	538
1962	396
1963	314
1964	949
1965	798
1966	462
1967	234
1968	445
1969	395
1970	439
1971	1,048
1972	620
1973	635
1974	513
1975	907
1976	1,098
1977	569
1978	685
1979	569
1980	822
1981	679
1982	819
1983	718
1984	595
1985	742
1986	632
1987	1,062
1988	1,068
1989	1,087
1990	1,055
1991	798
1992	1,132
1993	954
1994	986
1995	1,333
1996	824
1997	794
1998	1,183
1999	1,205
2000	920
2001	947
2002	1,039
2003	1,277
2004	752
2005	961
2006	1,736
2007	834
2008	888
2009	1,106
2010	1,315
2011	1,310
2012	758
2013	817
2014	813
2015	666
2016	608
2017	938
2018	1,097
2019	471
2020	699
2021	835
2022	861
2023	887
2024	1,337
2025	756
2026	1,130

Download the Data

Data for records on 1978-08-02: 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	519
20 to 40	24
40 to 60	9
60 to 80	2
80 to 100	0
100 to 120	2
120 to 140	0
140 to 160	1