Weather Records on 28 July 1978

681 weather records were set or tied worldwide on 28 July 1978. Highest significance: Inga, BR.

Key Facts for 28 July 1978

On 28 July 1978, 681 weather records were set or tied at long-record stations worldwide.
133 were record highs and 262 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 16 monthly and 662 daily.
Inga set a daily record precipitation of 50.0 mm (2.0 in) on 28 July 1978.
Across 155 earlier years (1815 to 2026) the same calendar date averaged 471 records.

Record Map

681 stations

681 station records on 28 July 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 July 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Inga	Brazil	Record daily precipitation	50.0 mm (2.0 in)	62 of 100 (Major)
Aracaju	Brazil	Record daily precipitation	89.9 mm (3.5 in)	60 of 100 (Major)
Clyde Lock 26	United States	Record daily precipitation	66.3 mm (2.6 in)	59 of 100 (Notable)
Jourdanton	United States	Record daily precipitation	75.4 mm (3.0 in)	57 of 100 (Notable)
Acude General Sampaio	Brazil	Record daily precipitation	31.3 mm (1.2 in)	55 of 100 (Notable)
Taboleiro Do Meio	Brazil	Record daily precipitation	64.2 mm (2.5 in)	54 of 100 (Notable)
Baton Rouge	United States	Record daily precipitation	95.3 mm (3.8 in)	54 of 100 (Notable)
Marruas	Brazil	Record daily precipitation	30.0 mm (1.2 in)	52 of 100 (Notable)
Pedro Velho (Dnocs)	Brazil	Record daily precipitation	68.0 mm (2.7 in)	51 of 100 (Notable)
W Pt	United States	Record daily precipitation	105.4 mm (4.1 in)	51 of 100 (Notable)
Airi (Rochedo)	Brazil	Record daily precipitation	25.0 mm (1.0 in)	50 of 100 (Notable)
El Palmito	Mexico	Record daily precipitation	51.3 mm (2.0 in)	50 of 100 (Notable)
N'Guigni	Niger	Record daily precipitation	81.7 mm (3.2 in)	50 of 100 (Notable)
Itapeim	Brazil	Record daily precipitation	33.0 mm (1.3 in)	49 of 100 (Notable)
Sandheads	India	Record daily precipitation	199.9 mm (7.9 in)	49 of 100 (Notable)
Santiago Papasquiaro (Smn)	Mexico	Record daily precipitation	42.9 mm (1.7 in)	49 of 100 (Notable)
Dzhikimda	Russia	Record daily precipitation	33.4 mm (1.3 in)	49 of 100 (Notable)
Frankfort Lock 19	United States	Record daily precipitation	66.0 mm (2.6 in)	49 of 100 (Notable)
Nova Cruz	Brazil	Record daily precipitation	55.0 mm (2.2 in)	48 of 100 (Notable)
Baldwinsville	United States	Record daily precipitation	72.4 mm (2.9 in)	48 of 100 (Notable)
De Ruyter 4 N	United States	Record daily precipitation	55.9 mm (2.2 in)	48 of 100 (Notable)
Sao Jose de Mipibu	Brazil	Record daily precipitation	86.5 mm (3.4 in)	47 of 100 (Notable)
Bonito de Santa Fe	Brazil	Record daily precipitation	70.3 mm (2.8 in)	47 of 100 (Notable)
Pacatuba (Pacatiba)	Brazil	Record daily precipitation	78.0 mm (3.1 in)	45 of 100 (Notable)
Rainbow Lake	United States	Record daily precipitation	79.2 mm (3.1 in)	45 of 100 (Notable)
Teslin A	Canada	Record daily precipitation	26.2 mm (1.0 in)	44 of 100 (Notable)
Avon Park 2 W	United States	Record daily precipitation	83.8 mm (3.3 in)	44 of 100 (Notable)
Catarina	Brazil	Record daily precipitation	27.6 mm (1.1 in)	43 of 100 (Notable)
Falls City 7 WSW	United States	Record daily precipitation	44.5 mm (1.8 in)	43 of 100 (Notable)
Penedo	Brazil	Record daily precipitation	71.4 mm (2.8 in)	42 of 100 (Notable)
Dubois	United States	Record high maximum temperature	37.8 C (100.0 F)	42 of 100 (Notable)
Sape	Brazil	Record daily precipitation	55.1 mm (2.2 in)	41 of 100 (Notable)
Melville	United States	Record low maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Ibimirim (Jeritaco)	Brazil	Record daily precipitation	52.3 mm (2.1 in)	40 of 100 (Notable)
Glens Falls Farm	United States	Record daily precipitation	67.8 mm (2.7 in)	39 of 100 (Notable)
Sherburne	United States	Record daily precipitation	27.2 mm (1.1 in)	38 of 100 (Notable)
Salisbury 2 N	United States	Record daily precipitation	42.2 mm (1.7 in)	38 of 100 (Notable)
Tataira	Brazil	Record daily precipitation	46.0 mm (1.8 in)	37 of 100 (Notable)
Ocozocoautla	Mexico	Record daily precipitation	67.8 mm (2.7 in)	37 of 100 (Notable)
Northville	United States	Record daily precipitation	71.1 mm (2.8 in)	37 of 100 (Notable)
Cerro Cora	Brazil	Record daily precipitation	53.4 mm (2.1 in)	36 of 100 (Notable)
Timbauba	Brazil	Record daily precipitation	55.2 mm (2.2 in)	36 of 100 (Notable)
Caitas de Felipe Pescador	Mexico	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Dadeville	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Ishpeming	United States	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Salinillas	Mexico	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Gainesville	United States	Record low maximum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Grayling	United States	Record low minimum temperature	3.3 C (37.9 F)	35 of 100 (Notable)
Muskegon Co AP	United States	Record low minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Governador Dix-Sept Rosado	Brazil	Record daily precipitation	26.6 mm (1.0 in)	34 of 100 (Routine)
Serra Do Doutor	Brazil	Record daily precipitation	47.4 mm (1.9 in)	34 of 100 (Routine)
Coruripe	Brazil	Record daily precipitation	69.6 mm (2.7 in)	34 of 100 (Routine)
Ann Arbor U of Mich	United States	Record low minimum temperature	9.4 C (48.9 F)	34 of 100 (Routine)
Coutinho	Brazil	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
Carcross	Canada	Record low maximum temperature	10.0 C (50.0 F)	33 of 100 (Routine)
Tomsk	Russia	Record high minimum temperature	20.1 C (68.2 F)	33 of 100 (Routine)
Castle Rock	United States	Record high maximum temperature	36.1 C (97.0 F)	33 of 100 (Routine)
Toccoa	United States	Record daily precipitation	53.6 mm (2.1 in)	33 of 100 (Routine)
Geneseo	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Baldwin	United States	Record low minimum temperature	4.4 C (39.9 F)	33 of 100 (Routine)

Counts by Type and Timescale

681 records

Records set or tied on 28 July 1978 by type: Highest daily maximum 40, Lowest daily maximum 95, Highest daily minimum 93, Lowest daily minimum 167, Heaviest daily rainfall 286.

Records on 28 July 1978 by type
Record type	Records
Highest daily maximum	40
Lowest daily maximum	95
Highest daily minimum	93
Lowest daily minimum	167
Heaviest daily rainfall	286
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 July 1978 by timescale: all-time 3, monthly 16, daily 662.

How Much Records Were Beaten By

541 broken records

Margins by which the 541 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.9. Ties are not counted.

Top 20 by Significance

28 July 1978

Top 20 records on 28 July 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 July 1978	Inga, BR	daily rain	50.0 mm (2.0 in)	33.8 mm (1.3 in)	55 years	62 of 100 (Major)
28 July 1978	Aracaju, BR	daily rain	89.9 mm (3.5 in)	48.0 mm (1.9 in)	57 years	60 of 100 (Major)
28 July 1978	Clyde Lock 26, US	daily rain	66.3 mm (2.6 in)	56.9 mm (2.2 in)	45 years	59 of 100 (Notable)
28 July 1978	Jourdanton, US	daily rain	75.4 mm (3.0 in)	66.5 mm (2.6 in)	61 years	57 of 100 (Notable)
28 July 1978	Acude General Sampaio, BR	daily rain	31.3 mm (1.2 in)	29.0 mm (1.1 in)	35 years	55 of 100 (Notable)
28 July 1978	Taboleiro Do Meio, BR	daily rain	64.2 mm (2.5 in)	49.7 mm (2.0 in)	35 years	54 of 100 (Notable)
28 July 1978	Baton Rouge, US	daily rain	95.3 mm (3.8 in)	53.6 mm (2.1 in)	41 years	54 of 100 (Notable)
28 July 1978	Marruas, BR	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	44 years	52 of 100 (Notable)
28 July 1978	Pedro Velho (Dnocs), BR	daily rain	68.0 mm (2.7 in)	57.3 mm (2.3 in)	48 years	51 of 100 (Notable)
28 July 1978	W Pt, US	daily rain	105.4 mm (4.1 in)	44.9 mm (1.8 in)	52 years	51 of 100 (Notable)
28 July 1978	Airi (Rochedo), BR	daily rain	25.0 mm (1.0 in)	17.8 mm (0.7 in)	20 years	50 of 100 (Notable)
28 July 1978	El Palmito, MX	daily rain	51.3 mm (2.0 in)	38.6 mm (1.5 in)	23 years	50 of 100 (Notable)
28 July 1978	N'Guigni, NE	daily rain	81.7 mm (3.2 in)	67.2 mm (2.6 in)	20 years	50 of 100 (Notable)
28 July 1978	Itapeim, BR	daily rain	33.0 mm (1.3 in)	30.7 mm (1.2 in)	35 years	49 of 100 (Notable)
28 July 1978	Sandheads, IN	daily rain	199.9 mm (7.9 in)	87.9 mm (3.5 in)	29 years	49 of 100 (Notable)
28 July 1978	Santiago Papasquiaro (Smn), MX	daily rain	42.9 mm (1.7 in)	27.2 mm (1.1 in)	37 years	49 of 100 (Notable)
28 July 1978	Dzhikimda, RU	daily rain	33.4 mm (1.3 in)	25.3 mm (1.0 in)	35 years	49 of 100 (Notable)
28 July 1978	Frankfort Lock 19, US	daily rain	66.0 mm (2.6 in)	40.3 mm (1.6 in)	44 years	49 of 100 (Notable)
28 July 1978	Nova Cruz, BR	daily rain	55.0 mm (2.2 in)	46.7 mm (1.8 in)	19 years	48 of 100 (Notable)
28 July 1978	Baldwinsville, US	daily rain	72.4 mm (2.9 in)	35.1 mm (1.4 in)	31 years	48 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

1815 to 1978

Records set or tied on this calendar date in each year from 1815 to 1978. 1978 had 681 records.

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

Records on 07-28 in each year
Year	Records
1815	1
1832	2
1834	1
1838	1
1846	1
1848	1
1853	1
1857	1
1860	2
1866	2
1867	1
1872	3
1873	1
1874	1
1882	1
1883	3
1884	3
1886	2
1887	2
1888	3
1890	3
1891	8
1892	3
1893	5
1894	4
1895	6
1896	4
1897	4
1898	6
1900	8
1901	14
1902	4
1903	16
1904	23
1905	10
1906	18
1907	39
1908	15
1909	19
1910	18
1911	61
1912	32
1913	54
1914	42
1915	36
1916	134
1917	84
1918	34
1919	53
1920	95
1921	92
1922	82
1923	193
1924	79
1925	361
1926	175
1927	129
1928	341
1929	215
1930	603
1931	464
1932	184
1933	390
1934	533
1935	354
1936	471
1937	315
1938	264
1939	339
1940	507
1941	525
1942	165
1943	429
1944	349
1945	399
1946	380
1947	630
1948	535
1949	496
1950	1,035
1951	320
1952	669
1953	251
1954	355
1955	537
1956	309
1957	298
1958	549
1959	417
1960	416
1961	357
1962	772
1963	484
1964	422
1965	422
1966	349
1967	458
1968	547
1969	737
1970	343
1971	1,161
1972	675
1973	500
1974	343
1975	537
1976	493
1977	724
1978	681
1979	692
1980	1,170
1981	1,315
1982	774
1983	1,389
1984	1,373
1985	627
1986	868
1987	1,202
1988	761
1989	936
1990	757
1991	768
1992	678
1993	1,026
1994	2,266
1995	1,251
1996	1,178
1997	1,024
1998	1,835
1999	985
2000	857
2001	938
2002	866
2003	932
2004	1,345
2005	1,387
2006	1,398
2007	998
2008	923
2009	964
2010	1,306
2011	1,143
2012	731
2013	1,428
2014	713
2015	911
2016	648
2017	476
2018	655
2019	469
2020	721
2021	831
2022	990
2023	765
2024	668
2025	845
2026	863

Download the Data

Data for records on 1978-07-28: 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 2026-10-16 (16 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	482
20 to 40	42
40 to 60	13
60 to 80	3
80 to 100	1