Weather Records on 30 August 1978

825 weather records were set or tied worldwide on 30 August 1978. Highest significance: Jonesboro 3 SSE, US.

Key Facts for 30 August 1978

On 30 August 1978, 825 weather records were set or tied at long-record stations worldwide.
119 were record highs and 349 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 38 monthly and 787 daily.
Jonesboro 3 SSE set a daily record precipitation of 80.3 mm (3.2 in) on 30 August 1978.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 421 records.

Record Map

825 stations

825 station records on 30 August 1978 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1978: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jonesboro 3 SSE	United States	Record daily precipitation	80.3 mm (3.2 in)	68 of 100 (Major)
Brookhaven City	United States	Record daily precipitation	72.1 mm (2.8 in)	56 of 100 (Notable)
Cairo 3N	United States	Record daily precipitation	66.8 mm (2.6 in)	55 of 100 (Notable)
Carbondale Sewage Plt	United States	Record daily precipitation	98.8 mm (3.9 in)	53 of 100 (Notable)
Anahuac	Mexico	Record daily precipitation	99.8 mm (3.9 in)	52 of 100 (Notable)
Fisk	United States	Record daily precipitation	97.3 mm (3.8 in)	52 of 100 (Notable)
Morrilton	United States	Record daily precipitation	64.0 mm (2.5 in)	50 of 100 (Notable)
Nornalup	Australia	Record daily precipitation	95.0 mm (3.7 in)	49 of 100 (Notable)
Anna 4 N	United States	Record daily precipitation	108.5 mm (4.3 in)	49 of 100 (Notable)
Bernie	United States	Record daily precipitation	83.8 mm (3.3 in)	49 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	92.7 mm (3.6 in)	48 of 100 (Notable)
Louisville Intl AP	United States	Record daily precipitation	59.7 mm (2.4 in)	48 of 100 (Notable)
Harstena	Sweden	Record daily precipitation	57.7 mm (2.3 in)	47 of 100 (Notable)
Crystal Valley	United States	Record daily precipitation	89.4 mm (3.5 in)	47 of 100 (Notable)
Mt Ida 3 SE	United States	Record low maximum temperature	20.6 C (69.1 F)	47 of 100 (Notable)
Newport	United States	Record daily precipitation	91.7 mm (3.6 in)	46 of 100 (Notable)
Vona	United States	Record daily precipitation	58.9 mm (2.3 in)	46 of 100 (Notable)
Palestine	United States	Record daily precipitation	48.8 mm (1.9 in)	46 of 100 (Notable)
Dexter	United States	Record daily precipitation	97.8 mm (3.9 in)	46 of 100 (Notable)
Poplar Bluff	United States	Record daily precipitation	96.5 mm (3.8 in)	46 of 100 (Notable)
Puxico 1 SE	United States	Record daily precipitation	120.4 mm (4.7 in)	46 of 100 (Notable)
Samburg Wr	United States	Record daily precipitation	75.2 mm (3.0 in)	46 of 100 (Notable)
Linkoeping-Malmslaett	Sweden	Record low minimum temperature	1.2 C (34.2 F)	45 of 100 (Notable)
Camden 1	United States	Record low maximum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Parma	United States	Record daily precipitation	78.7 mm (3.1 in)	45 of 100 (Notable)
Wappapello Dam	United States	Record daily precipitation	94.2 mm (3.7 in)	44 of 100 (Notable)
Dayton Intl AP	United States	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Cloudskraal	South Africa	Record daily precipitation	80.0 mm (3.1 in)	43 of 100 (Notable)
Akron 4 E	United States	Record daily precipitation	50.0 mm (2.0 in)	43 of 100 (Notable)
Pine Bluff	United States	Record daily precipitation	85.9 mm (3.4 in)	41 of 100 (Notable)
Saint Francis	United States	Record daily precipitation	81.3 mm (3.2 in)	41 of 100 (Notable)
Sharon Springs	United States	Record low maximum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Caruthersville	United States	Record daily precipitation	93.0 mm (3.7 in)	41 of 100 (Notable)
Doniphan	United States	Record daily precipitation	106.9 mm (4.2 in)	41 of 100 (Notable)
Jackson	United States	Record daily precipitation	88.6 mm (3.5 in)	41 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	51.6 mm (2.0 in)	41 of 100 (Notable)
Salem	United States	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Kluitjeskraal (Bos)	South Africa	Record daily precipitation	51.5 mm (2.0 in)	39 of 100 (Notable)
Skara 1	Sweden	Record low minimum temperature	0.4 C (32.7 F)	39 of 100 (Notable)
Wynne	United States	Record daily precipitation	68.1 mm (2.7 in)	39 of 100 (Notable)
Grand Twr 2 N	United States	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)
Chiloquin 1 E	United States	Record high minimum temperature	12.2 C (54.0 F)	39 of 100 (Notable)
Covington 3 SW	United States	Record daily precipitation	74.9 mm (2.9 in)	39 of 100 (Notable)
Cienega de Flores	Mexico	Record daily precipitation	109.0 mm (4.3 in)	38 of 100 (Notable)
Halmstad	Sweden	Record low minimum temperature	3.8 C (38.8 F)	38 of 100 (Notable)
Amity	United States	Record daily precipitation	67.1 mm (2.6 in)	38 of 100 (Notable)
Paragould	United States	Record daily precipitation	83.1 mm (3.3 in)	38 of 100 (Notable)
Mt Carmel	United States	Record daily precipitation	37.6 mm (1.5 in)	38 of 100 (Notable)
Campbellsville 2 SSW	United States	Record daily precipitation	57.2 mm (2.3 in)	38 of 100 (Notable)
Marble Hill	United States	Record daily precipitation	83.8 mm (3.3 in)	38 of 100 (Notable)
Lake City	United States	Record daily precipitation	122.7 mm (4.8 in)	37 of 100 (Notable)
Shoals 8 S	United States	Record daily precipitation	56.1 mm (2.2 in)	37 of 100 (Notable)
Vincennes 4 E	United States	Record daily precipitation	78.7 mm (3.1 in)	37 of 100 (Notable)
Morgan City	United States	Record daily precipitation	68.6 mm (2.7 in)	37 of 100 (Notable)
Mtn View	United States	Record daily precipitation	98.0 mm (3.9 in)	36 of 100 (Notable)
Baton Rouge	United States	Record daily precipitation	34.5 mm (1.4 in)	36 of 100 (Notable)
Hartley 4 ESE	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Maleny Tamarind St	Australia	Record daily precipitation	58.0 mm (2.3 in)	35 of 100 (Notable)
Minnedosa	Canada	Record low minimum temperature	-1.7 C (28.9 F)	35 of 100 (Notable)
Muenster	Germany	Record low maximum temperature	14.6 C (58.3 F)	35 of 100 (Notable)

Counts by Type and Timescale

825 records

Records set or tied on 30 August 1978 by type: Highest daily maximum 26, Lowest daily maximum 231, Highest daily minimum 93, Lowest daily minimum 118, Heaviest daily rainfall 357.

Records on 30 August 1978 by type
Record type	Records
Highest daily maximum	26
Lowest daily maximum	231
Highest daily minimum	93
Lowest daily minimum	118
Heaviest daily rainfall	357
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1978 by timescale: all-time 0, monthly 38, daily 787.

How Much Records Were Beaten By

696 broken records

Margins by which the 696 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.4. Ties are not counted.

Top 20 by Significance

30 August 1978

Top 20 records on 30 August 1978 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1978	Jonesboro 3 SSE, US	daily rain	80.3 mm (3.2 in)	54.9 mm (2.2 in)	77 years	68 of 100 (Major)
30 August 1978	Brookhaven City, US	daily rain	72.1 mm (2.8 in)	43.1 mm (1.7 in)	59 years	56 of 100 (Notable)
30 August 1978	Cairo 3N, US	daily rain	66.8 mm (2.6 in)	51.8 mm (2.0 in)	49 years	55 of 100 (Notable)
30 August 1978	Carbondale Sewage Plt, US	daily rain	98.8 mm (3.9 in)	53.6 mm (2.1 in)	33 years	53 of 100 (Notable)
30 August 1978	Anahuac, MX	daily rain	99.8 mm (3.9 in)	80.0 mm (3.1 in)	37 years	52 of 100 (Notable)
30 August 1978	Fisk, US	daily rain	97.3 mm (3.8 in)	85.4 mm (3.4 in)	29 years	52 of 100 (Notable)
30 August 1978	Morrilton, US	daily rain	64.0 mm (2.5 in)	47.7 mm (1.9 in)	44 years	50 of 100 (Notable)
30 August 1978	Nornalup, AU	daily rain	95.0 mm (3.7 in)	58.2 mm (2.3 in)	12 years	49 of 100 (Notable)
30 August 1978	Anna 4 N, US	daily rain	108.5 mm (4.3 in)	82.3 mm (3.2 in)	4 years	49 of 100 (Notable)
30 August 1978	Bernie, US	daily rain	83.8 mm (3.3 in)	68.6 mm (2.7 in)	23 years	49 of 100 (Notable)
30 August 1978	Bloomfield, US	daily rain	92.7 mm (3.6 in)	60.9 mm (2.4 in)	21 years	48 of 100 (Notable)
30 August 1978	Louisville Intl AP, US	daily rain	59.7 mm (2.4 in)	51.8 mm (2.0 in)	17 years	48 of 100 (Notable)
30 August 1978	Harstena, SE	daily rain	57.7 mm (2.3 in)	41.6 mm (1.6 in)	16 years	47 of 100 (Notable)
30 August 1978	Crystal Valley, US	daily rain	89.4 mm (3.5 in)	54.3 mm (2.1 in)	33 years	47 of 100 (Notable)
30 August 1978	Mt Ida 3 SE, US	monthly low max	20.6 C (69.1 F)	0.5 C (0.9 F)	93 years	47 of 100 (Notable)
30 August 1978	Newport, US	daily rain	91.7 mm (3.6 in)	51.1 mm (2.0 in)	16 years	46 of 100 (Notable)
30 August 1978	Vona, US	daily rain	58.9 mm (2.3 in)	44.9 mm (1.8 in)	11 years	46 of 100 (Notable)
30 August 1978	Palestine, US	daily rain	48.8 mm (1.9 in)	31.0 mm (1.2 in)	60 years	46 of 100 (Notable)
30 August 1978	Dexter, US	daily rain	97.8 mm (3.9 in)	75.7 mm (3.0 in)	4 years	46 of 100 (Notable)
30 August 1978	Poplar Bluff, US	daily rain	96.5 mm (3.8 in)	65.5 mm (2.6 in)	4 years	46 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 825 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 1978-08-30: 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	609
20 to 40	49
40 to 60	27
60 to 80	8
80 to 100	3