Weather Records on 29 July 1978

551 weather records were set or tied worldwide on 29 July 1978. Highest significance: Acude Oros, BR.

Key Facts for 29 July 1978

On 29 July 1978, 551 weather records were set or tied at long-record stations worldwide.
138 were record highs and 201 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 14 monthly and 535 daily.
Acude Oros set a daily record precipitation of 25.3 mm (1.0 in) on 29 July 1978.
Across 165 earlier years (1797 to 2026) the same calendar date averaged 449 records.

Record Map

551 stations

551 station records on 29 July 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 July 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Acude Oros	Brazil	Record daily precipitation	25.3 mm (1.0 in)	60 of 100 (Major)
Eastbourne	United Kingdom	Record daily precipitation	38.0 mm (1.5 in)	58 of 100 (Notable)
Miraima	Brazil	Record daily precipitation	40.3 mm (1.6 in)	56 of 100 (Notable)
Touros	Brazil	Record daily precipitation	76.3 mm (3.0 in)	56 of 100 (Notable)
Aurora	Brazil	Record daily precipitation	31.2 mm (1.2 in)	50 of 100 (Notable)
Catole	Brazil	Record daily precipitation	53.2 mm (2.1 in)	49 of 100 (Notable)
Tiksi	Russia	Record daily precipitation	43.1 mm (1.7 in)	49 of 100 (Notable)
Ust-Ozernoe	Russia	Record daily precipitation	26.7 mm (1.1 in)	47 of 100 (Notable)
Ajan	Russia	Record daily precipitation	113.2 mm (4.5 in)	47 of 100 (Notable)
Loxahatchee	United States	Record daily precipitation	75.4 mm (3.0 in)	47 of 100 (Notable)
Japaratuba	Brazil	Record daily precipitation	80.4 mm (3.2 in)	46 of 100 (Notable)
Acude Nova Floresta	Brazil	Record daily precipitation	64.5 mm (2.5 in)	45 of 100 (Notable)
Lavras da Mangabeira (Dnocs)	Brazil	Record daily precipitation	36.1 mm (1.4 in)	44 of 100 (Notable)
Parambu	Brazil	Record daily precipitation	26.1 mm (1.0 in)	43 of 100 (Notable)
San Pedro Piedra Gorda -Ciuda	Mexico	Record daily precipitation	52.8 mm (2.1 in)	43 of 100 (Notable)
Kemmerer 2N	United States	Record high minimum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Carius	Brazil	Record daily precipitation	48.0 mm (1.9 in)	42 of 100 (Notable)
Bakchar	Russia	Record daily precipitation	31.1 mm (1.2 in)	42 of 100 (Notable)
Skegness	United Kingdom	Record daily precipitation	28.5 mm (1.1 in)	42 of 100 (Notable)
Ibicua	Brazil	Record daily precipitation	71.4 mm (2.8 in)	41 of 100 (Notable)
Nogliki	Russia	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
Paso de San Antonio	Mexico	Record daily precipitation	46.0 mm (1.8 in)	40 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	9.1 C (48.4 F)	40 of 100 (Notable)
Varzea	Brazil	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Agua Branca (Imoroti)	Brazil	Record daily precipitation	44.0 mm (1.7 in)	39 of 100 (Notable)
Falls City 7 WSW	United States	Record daily precipitation	38.4 mm (1.5 in)	39 of 100 (Notable)
Senador Pompeu	Brazil	Record daily precipitation	64.2 mm (2.5 in)	38 of 100 (Notable)
Ipueiras	Brazil	Record daily precipitation	26.4 mm (1.0 in)	38 of 100 (Notable)
Boa Viagem	Brazil	Record daily precipitation	25.0 mm (1.0 in)	38 of 100 (Notable)
Acude Piloes	Brazil	Record daily precipitation	28.0 mm (1.1 in)	38 of 100 (Notable)
Cajazeiras	Brazil	Record daily precipitation	25.2 mm (1.0 in)	38 of 100 (Notable)
Milagres	Brazil	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Napas	Russia	Record daily precipitation	41.9 mm (1.6 in)	37 of 100 (Notable)
Ft Pierce	United States	Record daily precipitation	49.8 mm (2.0 in)	37 of 100 (Notable)
Pereiro	Brazil	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Caen-Carpiquet	France	Record daily precipitation	86.2 mm (3.4 in)	36 of 100 (Notable)
Belya	Russia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Yates Ctr	United States	Record high maximum temperature	41.7 C (107.1 F)	35 of 100 (Notable)
Franklinville	United States	Record low maximum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Lampasas	United States	Record low minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Rosebery	Australia	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Sape	Brazil	Record daily precipitation	55.2 mm (2.2 in)	34 of 100 (Routine)
Sangary	Russia	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Nevada City	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Big Wells 2W	United States	Record daily precipitation	33.0 mm (1.3 in)	34 of 100 (Routine)
Sabinal	United States	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Leroy 5 WSW	United States	Record high maximum temperature	38.9 C (102.0 F)	33 of 100 (Routine)
Longmont 2 ESE	United States	Record high maximum temperature	36.7 C (98.1 F)	33 of 100 (Routine)
Rockville 1 NE	United States	Record low minimum temperature	9.4 C (48.9 F)	33 of 100 (Routine)
Grafton	United States	Record low minimum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Milha	Brazil	Record daily precipitation	46.2 mm (1.8 in)	32 of 100 (Routine)
Cosamaloapan de Carpio (Smn)	Mexico	Record daily precipitation	209.8 mm (8.3 in)	32 of 100 (Routine)
Hatch	United States	Record low minimum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Presa Venustiano Carranza	Mexico	Record daily precipitation	46.0 mm (1.8 in)	31 of 100 (Routine)
Nelkan	Russia	Record daily precipitation	29.8 mm (1.2 in)	31 of 100 (Routine)
Naalehu 14	United States	Record low maximum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Luis Gomes	Brazil	Record daily precipitation	37.2 mm (1.5 in)	30 of 100 (Routine)
Lagoa da Canoa	Brazil	Record daily precipitation	43.3 mm (1.7 in)	30 of 100 (Routine)
Nossa Senhora da Gloria	Brazil	Record daily precipitation	35.0 mm (1.4 in)	30 of 100 (Routine)
Uchur	Russia	Record daily precipitation	28.7 mm (1.1 in)	30 of 100 (Routine)

Counts by Type and Timescale

551 records

Records set or tied on 29 July 1978 by type: Highest daily maximum 76, Lowest daily maximum 101, Highest daily minimum 62, Lowest daily minimum 100, Heaviest daily rainfall 211, Heaviest daily snowfall 1.

Records on 29 July 1978 by type
Record type	Records
Highest daily maximum	76
Lowest daily maximum	101
Highest daily minimum	62
Lowest daily minimum	100
Heaviest daily rainfall	211
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 29 July 1978 by timescale: all-time 2, monthly 14, daily 535.

How Much Records Were Beaten By

417 broken records

Margins by which the 417 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.9. Ties are not counted.

Top 20 by Significance

29 July 1978

Top 20 records on 29 July 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 July 1978	Acude Oros, BR	daily rain	25.3 mm (1.0 in)	25.3 mm (1.0 in)	56 years	60 of 100 (Major)
29 July 1978	Eastbourne, GB	daily rain	38.0 mm (1.5 in)	27.3 mm (1.1 in)	41 years	58 of 100 (Notable)
29 July 1978	Miraima, BR	daily rain	40.3 mm (1.6 in)	38.3 mm (1.5 in)	43 years	56 of 100 (Notable)
29 July 1978	Touros, BR	daily rain	76.3 mm (3.0 in)	58.9 mm (2.3 in)	41 years	56 of 100 (Notable)
29 July 1978	Aurora, BR	daily rain	31.2 mm (1.2 in)	17.2 mm (0.7 in)	65 years	50 of 100 (Notable)
29 July 1978	Catole, BR	daily rain	53.2 mm (2.1 in)	51.9 mm (2.0 in)	32 years	49 of 100 (Notable)
29 July 1978	Tiksi, RU	daily rain	43.1 mm (1.7 in)	19.3 mm (0.8 in)	21 years	49 of 100 (Notable)
29 July 1978	Ust-Ozernoe, RU	daily rain	26.7 mm (1.1 in)	21.1 mm (0.8 in)	20 years	47 of 100 (Notable)
29 July 1978	Ajan, RU	daily rain	113.2 mm (4.5 in)	50.1 mm (2.0 in)	43 years	47 of 100 (Notable)
29 July 1978	Loxahatchee, US	daily rain	75.4 mm (3.0 in)	58.9 mm (2.3 in)	25 years	47 of 100 (Notable)
29 July 1978	Japaratuba, BR	daily rain	80.4 mm (3.2 in)	34.2 mm (1.3 in)	48 years	46 of 100 (Notable)
29 July 1978	Acude Nova Floresta, BR	daily rain	64.5 mm (2.5 in)	53.2 mm (2.1 in)	3 years	45 of 100 (Notable)
29 July 1978	Lavras da Mangabeira (Dnocs), BR	daily rain	36.1 mm (1.4 in)	26.2 mm (1.0 in)	37 years	44 of 100 (Notable)
29 July 1978	Parambu, BR	daily rain	26.1 mm (1.0 in)	26.1 mm (1.0 in)	45 years	43 of 100 (Notable)
29 July 1978	San Pedro Piedra Gorda -Ciuda, MX	daily rain	52.8 mm (2.1 in)	43.9 mm (1.7 in)	0 years	43 of 100 (Notable)
29 July 1978	Kemmerer 2N, US	all-time high min	18.3 C (64.9 F)	1.6 C (2.9 F)	42 years	43 of 100 (Notable)
29 July 1978	Carius, BR	daily rain	48.0 mm (1.9 in)	44.2 mm (1.7 in)	28 years	42 of 100 (Notable)
29 July 1978	Bakchar, RU	daily rain	31.1 mm (1.2 in)	18.8 mm (0.7 in)	33 years	42 of 100 (Notable)
29 July 1978	Skegness, GB	daily rain	28.5 mm (1.1 in)	15.3 mm (0.6 in)	36 years	42 of 100 (Notable)
29 July 1978	Ibicua, BR	monthly rain	71.4 mm (2.8 in)	6.0 mm (0.24 in)	64 years	41 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

1797 to 1978

Records set or tied on this calendar date in each year from 1797 to 1978. 1978 had 551 records.

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

Records on 07-29 in each year
Year	Records
1797	1
1807	1
1815	1
1824	1
1830	1
1834	1
1838	1
1843	1
1845	2
1848	1
1851	1
1853	1
1857	1
1858	3
1859	1
1860	3
1867	3
1868	2
1869	1
1872	2
1873	1
1875	1
1877	2
1881	1
1883	1
1884	2
1886	2
1887	2
1888	2
1889	1
1890	4
1891	2
1893	2
1894	4
1895	4
1896	1
1897	5
1898	7
1899	1
1900	5
1901	15
1902	3
1903	16
1904	14
1905	17
1906	13
1907	31
1908	28
1909	45
1910	22
1911	48
1912	35
1913	33
1914	130
1915	15
1916	186
1917	50
1918	28
1919	29
1920	94
1921	94
1922	83
1923	168
1924	90
1925	427
1926	154
1927	119
1928	297
1929	347
1930	343
1931	401
1932	217
1933	501
1934	957
1935	280
1936	348
1937	276
1938	345
1939	434
1940	539
1941	400
1942	201
1943	433
1944	263
1945	429
1946	384
1947	434
1948	510
1949	511
1950	744
1951	333
1952	712
1953	251
1954	445
1955	463
1956	408
1957	364
1958	620
1959	383
1960	611
1961	563
1962	410
1963	462
1964	510
1965	709
1966	417
1967	370
1968	744
1969	630
1970	465
1971	1,609
1972	665
1973	459
1974	463
1975	894
1976	506
1977	712
1978	551
1979	601
1980	864
1981	1,496
1982	699
1983	1,022
1984	1,173
1985	823
1986	842
1987	1,412
1988	744
1989	1,008
1990	745
1991	765
1992	620
1993	1,063
1994	1,695
1995	1,295
1996	1,085
1997	979
1998	1,251
1999	1,271
2000	898
2001	1,205
2002	1,294
2003	1,166
2004	1,167
2005	1,334
2006	1,085
2007	1,116
2008	852
2009	1,311
2010	1,691
2011	1,012
2012	656
2013	1,159
2014	1,061
2015	833
2016	580
2017	608
2018	653
2019	496
2020	480
2021	667
2022	1,058
2023	803
2024	694
2025	859
2026	979

Download the Data

Data for records on 1978-07-29: 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).