Weather Records on 30 August 1979

517 weather records were set or tied worldwide on 30 August 1979. Highest significance: Prospect 2 SW, US.

Key Facts for 30 August 1979

On 30 August 1979, 517 weather records were set or tied at long-record stations worldwide.
238 were record highs and 84 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 510 daily.
Prospect 2 SW set a daily record precipitation of 36.1 mm (1.4 in) on 30 August 1979.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 423 records.

Record Map

517 stations

517 station records on 30 August 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Prospect 2 SW	United States	Record daily precipitation	36.1 mm (1.4 in)	62 of 100 (Major)
Piracuruca	Brazil	Record daily precipitation	27.0 mm (1.1 in)	59 of 100 (Notable)
Burney	United States	Record daily precipitation	30.7 mm (1.2 in)	52 of 100 (Notable)
Poona	India	Record daily precipitation	59.9 mm (2.4 in)	43 of 100 (Notable)
Santo Domingo	Mexico	Record daily precipitation	145.3 mm (5.7 in)	42 of 100 (Notable)
Cedarville	United States	Record low maximum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Livingston 5 NE	United States	Record daily precipitation	44.2 mm (1.7 in)	39 of 100 (Notable)
Nord-Rana	Norway	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
Deloraine	Canada	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
San Blas	Mexico	Record daily precipitation	156.0 mm (6.1 in)	35 of 100 (Notable)
Detour Village	United States	Record daily precipitation	34.3 mm (1.4 in)	35 of 100 (Notable)
Holtwood	United States	Record daily precipitation	50.3 mm (2.0 in)	35 of 100 (Notable)
Boonton 1 SE	United States	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Bolivar	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Liberty 1 NE	United States	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Causapscal	Canada	Record high minimum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Parrsboro	Canada	Record daily precipitation	54.6 mm (2.1 in)	33 of 100 (Routine)
Idaho City	United States	Record high minimum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Pichucalco (Smn)	Mexico	Record low minimum temperature	16.7 C (62.1 F)	32 of 100 (Routine)
Letaba Estates	South Africa	Record daily precipitation	25.0 mm (1.0 in)	32 of 100 (Routine)
Abilene	United States	Record daily precipitation	25.7 mm (1.0 in)	32 of 100 (Routine)
Surgut	Russia	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Mt Hebron Rs	United States	Record low maximum temperature	16.1 C (61.0 F)	29 of 100 (Routine)
Dover	United States	Record high minimum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Paradise Valley 1 NW	United States	Record low maximum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Entrance	Canada	Record high minimum temperature	12.5 C (54.5 F)	28 of 100 (Routine)
San Jose del Cabo	Mexico	Record low minimum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	36.0 mm (1.4 in)	28 of 100 (Routine)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	32.0 mm (1.3 in)	28 of 100 (Routine)
Mammoth Cave	United States	Record daily precipitation	49.5 mm (1.9 in)	28 of 100 (Routine)
Blackleaf	United States	Record high maximum temperature	32.8 C (91.0 F)	28 of 100 (Routine)
Cookeville	United States	Record daily precipitation	42.9 mm (1.7 in)	28 of 100 (Routine)
Bulwer (Tnk)	South Africa	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)
Manzanita Lake	United States	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Barbourville	United States	Record daily precipitation	38.1 mm (1.5 in)	27 of 100 (Routine)
Blowing Rock 1NW	United States	Record high maximum temperature	32.2 C (90.0 F)	27 of 100 (Routine)
Haenertsburg (Pol)	South Africa	Record daily precipitation	25.0 mm (1.0 in)	26 of 100 (Routine)
Manila	United States	Record high minimum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Mineral	United States	Record daily precipitation	61.7 mm (2.4 in)	25 of 100 (Routine)
Sweet Springs	United States	Record daily precipitation	50.8 mm (2.0 in)	25 of 100 (Routine)
Pecos Nm	United States	Record high minimum temperature	16.1 C (61.0 F)	25 of 100 (Routine)
Lakeview 2 NNW	United States	Record low maximum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Mould Bay A	Canada	Record low minimum temperature	-10.9 C (12.4 F)	24 of 100 (Routine)
Hudson	United States	Record daily precipitation	37.3 mm (1.5 in)	24 of 100 (Routine)
Inman 5SW	United States	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Wanakena Rngr School	United States	Record daily precipitation	32.5 mm (1.3 in)	24 of 100 (Routine)
Foremost	Canada	Record high maximum temperature	34.0 C (93.2 F)	23 of 100 (Routine)
St Tite	Canada	Record high minimum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Tobolsk	Russia	Record high minimum temperature	17.1 C (62.8 F)	23 of 100 (Routine)
Sedlovaja	Russia	Record daily precipitation	32.7 mm (1.3 in)	23 of 100 (Routine)
Tonti (Bos)	South Africa	Record daily precipitation	49.3 mm (1.9 in)	23 of 100 (Routine)
Karaby-Yala	Ukraine	Record daily precipitation	36.2 mm (1.4 in)	23 of 100 (Routine)
Newark Ag Farm	United States	Record daily precipitation	29.0 mm (1.1 in)	23 of 100 (Routine)
Paisley	United States	Record low maximum temperature	16.1 C (61.0 F)	23 of 100 (Routine)
San Ignacio	Mexico	Record low maximum temperature	28.9 C (84.0 F)	22 of 100 (Routine)
Atequiza Normal Rural	Mexico	Record low maximum temperature	20.6 C (69.1 F)	22 of 100 (Routine)
Saint Paul Is AP	United States	Record high minimum temperature	10.0 C (50.0 F)	22 of 100 (Routine)
Luroy	Norway	Record daily precipitation	33.9 mm (1.3 in)	21 of 100 (Routine)
Tara	Russia	Record high maximum temperature	29.0 C (84.2 F)	21 of 100 (Routine)

Counts by Type and Timescale

517 records

Records set or tied on 30 August 1979 by type: Highest daily maximum 43, Lowest daily maximum 44, Highest daily minimum 195, Lowest daily minimum 40, Heaviest daily rainfall 194, Heaviest daily snowfall 1.

Records on 30 August 1979 by type
Record type	Records
Highest daily maximum	43
Lowest daily maximum	44
Highest daily minimum	195
Lowest daily minimum	40
Heaviest daily rainfall	194
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 30 August 1979 by timescale: all-time 0, monthly 7, daily 510.

How Much Records Were Beaten By

386 broken records

Margins by which the 386 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.4. Ties are not counted.

Top 20 by Significance

30 August 1979

Top 20 records on 30 August 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1979	Prospect 2 SW, US	daily rain	36.1 mm (1.4 in)	25.2 mm (1.0 in)	52 years	62 of 100 (Major)
30 August 1979	Piracuruca, BR	daily rain	27.0 mm (1.1 in)	25.0 mm (1.0 in)	61 years	59 of 100 (Notable)
30 August 1979	Burney, US	daily rain	30.7 mm (1.2 in)	30.7 mm (1.2 in)	30 years	52 of 100 (Notable)
30 August 1979	Poona, IN	daily rain	59.9 mm (2.4 in)	17.0 mm (0.7 in)	54 years	43 of 100 (Notable)
30 August 1979	Santo Domingo, MX	daily rain	145.3 mm (5.7 in)	75.4 mm (3.0 in)	26 years	42 of 100 (Notable)
30 August 1979	Cedarville, US	daily low max	16.1 C (61.0 F)	5.0 C (9.0 F)	72 years	40 of 100 (Notable)
30 August 1979	Biskra, DZ	daily high min	30.0 C (86.0 F)	2.0 C (3.6 F)	73 years	39 of 100 (Notable)
30 August 1979	Livingston 5 NE, US	daily rain	44.2 mm (1.7 in)	27.7 mm (1.1 in)	28 years	39 of 100 (Notable)
30 August 1979	Nord-Rana, NO	daily rain	31.5 mm (1.2 in)	5.4 mm (0.21 in)	72 years	37 of 100 (Notable)
30 August 1979	Deloraine, CA	daily rain	28.2 mm (1.1 in)	23.1 mm (0.9 in)	22 years	36 of 100 (Notable)
30 August 1979	San Blas, MX	daily rain	156.0 mm (6.1 in)	61.0 mm (2.4 in)	38 years	35 of 100 (Notable)
30 August 1979	Detour Village, US	daily rain	34.3 mm (1.4 in)	5.6 mm (0.22 in)	76 years	35 of 100 (Notable)
30 August 1979	Holtwood, US	daily rain	50.3 mm (2.0 in)	22.9 mm (0.9 in)	46 years	35 of 100 (Notable)
30 August 1979	Boonton 1 SE, US	daily high min	21.1 C (70.0 F)	1.1 C (2.0 F)	80 years	34 of 100 (Routine)
30 August 1979	Bolivar, US	daily high min	17.8 C (64.0 F)	1.1 C (2.0 F)	80 years	34 of 100 (Routine)
30 August 1979	Liberty 1 NE, US	daily high min	20.0 C (68.0 F)	1.1 C (2.0 F)	77 years	34 of 100 (Routine)
30 August 1979	Causapscal, CA	daily high min	17.8 C (64.0 F)	3.9 C (7.0 F)	64 years	33 of 100 (Routine)
30 August 1979	Parrsboro, CA	daily rain	54.6 mm (2.1 in)	23.4 mm (0.9 in)	33 years	33 of 100 (Routine)
30 August 1979	Idaho City, US	daily high min	13.3 C (55.9 F)	0.5 C (0.9 F)	82 years	33 of 100 (Routine)
30 August 1979	Pichucalco (Smn), MX	daily low min	16.7 C (62.1 F)	3.3 C (5.9 F)	24 years	32 of 100 (Routine)

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 1979

Records set or tied on this calendar date in each year from 1806 to 1979. 1979 had 517 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 1979-08-30: 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 10	341
10 to 20	29
20 to 30	11
30 to 40	3
40 to 50	0
50 to 60	0
60 to 70	1
70 to 80	1