Weather Records on 30 August 1984

1,127 weather records were set or tied worldwide on 30 August 1984. Highest significance: De Aar, ZA.

Key Facts for 30 August 1984

On 30 August 1984, 1,127 weather records were set or tied at long-record stations worldwide.
441 were record highs and 170 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 44 monthly and 1,083 daily.
De Aar set a daily record precipitation of 40.2 mm (1.6 in) on 30 August 1984.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 419 records.

Record Map

1,127 stations

1,127 station records on 30 August 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
De Aar	South Africa	Record daily precipitation	40.2 mm (1.6 in)	75 of 100 (Major)
Lysebotn	Norway	Record daily precipitation	78.8 mm (3.1 in)	63 of 100 (Major)
Noupoort	South Africa	Record daily precipitation	38.0 mm (1.5 in)	61 of 100 (Major)
Venterstad	South Africa	Record daily precipitation	32.5 mm (1.3 in)	61 of 100 (Major)
Colesberg (Tnk)	South Africa	Record daily precipitation	27.2 mm (1.1 in)	58 of 100 (Notable)
Paisley	United States	Record daily precipitation	32.5 mm (1.3 in)	58 of 100 (Notable)
Paardekopplaas	South Africa	Record daily precipitation	47.5 mm (1.9 in)	57 of 100 (Notable)
Hamelfontein	South Africa	Record daily precipitation	52.5 mm (2.1 in)	56 of 100 (Notable)
Rouxville (Pol)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	56 of 100 (Notable)
Ebenezer (Weltevrede)	South Africa	Record daily precipitation	40.0 mm (1.6 in)	54 of 100 (Notable)
Buckland Downs	South Africa	Record daily precipitation	39.0 mm (1.5 in)	53 of 100 (Notable)
Rietpoort	South Africa	Record daily precipitation	38.5 mm (1.5 in)	53 of 100 (Notable)
Kareekloof	South Africa	Record daily precipitation	29.0 mm (1.1 in)	52 of 100 (Notable)
Sunny Hills	South Africa	Record daily precipitation	40.1 mm (1.6 in)	52 of 100 (Notable)
Glen Morgan	South Africa	Record daily precipitation	37.6 mm (1.5 in)	52 of 100 (Notable)
Swartkoppies	South Africa	Record daily precipitation	51.0 mm (2.0 in)	51 of 100 (Notable)
Harrismith (Tnk)	South Africa	Record daily precipitation	68.0 mm (2.7 in)	50 of 100 (Notable)
Hlobane	South Africa	Record daily precipitation	44.0 mm (1.7 in)	50 of 100 (Notable)
John Day	United States	Record daily precipitation	30.2 mm (1.2 in)	49 of 100 (Notable)
Samnanger	Norway	Record daily precipitation	91.3 mm (3.6 in)	48 of 100 (Notable)
Swartkoppie	South Africa	Record daily precipitation	41.0 mm (1.6 in)	48 of 100 (Notable)
Chorozinho	Brazil	Record daily precipitation	35.2 mm (1.4 in)	47 of 100 (Notable)
Ingenio Catmis	Mexico	Record daily precipitation	64.3 mm (2.5 in)	47 of 100 (Notable)
Lakeview 2 NNW	United States	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Santa Cruz-Litoral	Brazil	Record daily precipitation	35.0 mm (1.4 in)	46 of 100 (Notable)
Gertspan	South Africa	Record daily precipitation	47.0 mm (1.9 in)	46 of 100 (Notable)
Clarens (Pol)	South Africa	Record daily precipitation	44.5 mm (1.8 in)	46 of 100 (Notable)
Chester	United States	Record daily precipitation	26.2 mm (1.0 in)	46 of 100 (Notable)
Susanville 2SW	United States	Record high minimum temperature	20.0 C (68.0 F)	46 of 100 (Notable)
Esperanza	South Africa	Record daily precipitation	34.0 mm (1.3 in)	45 of 100 (Notable)
Goedehoop	South Africa	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Catharinasvlei	South Africa	Record daily precipitation	50.0 mm (2.0 in)	45 of 100 (Notable)
Ndumu	South Africa	Record daily precipitation	38.0 mm (1.5 in)	45 of 100 (Notable)
Plooysburg S.A.P.	South Africa	Record daily precipitation	28.5 mm (1.1 in)	44 of 100 (Notable)
Mt Shasta	United States	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Hesperia 4 WNW	United States	Record daily precipitation	64.5 mm (2.5 in)	44 of 100 (Notable)
Groot-Arendskraal	South Africa	Record daily precipitation	37.5 mm (1.5 in)	43 of 100 (Notable)
Zastron (Tnk)	South Africa	Record daily precipitation	48.5 mm (1.9 in)	43 of 100 (Notable)
Rolfontein	South Africa	Record daily precipitation	26.0 mm (1.0 in)	43 of 100 (Notable)
Itauninhas	Brazil	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Wanda (Pol)	South Africa	Record daily precipitation	43.0 mm (1.7 in)	42 of 100 (Notable)
Quilimane	South Africa	Record daily precipitation	42.0 mm (1.7 in)	41 of 100 (Notable)
Roodepoort	South Africa	Record daily precipitation	43.5 mm (1.7 in)	41 of 100 (Notable)
Reitz 36	South Africa	Record daily precipitation	29.5 mm (1.2 in)	41 of 100 (Notable)
Weaverville	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Petrusville (Pol)	South Africa	Record daily precipitation	42.6 mm (1.7 in)	40 of 100 (Notable)
Arjeplog A	Sweden	Record daily precipitation	25.5 mm (1.0 in)	40 of 100 (Notable)
Botnen I Forde	Norway	Record daily precipitation	44.7 mm (1.8 in)	39 of 100 (Notable)
Convamore	South Africa	Record daily precipitation	28.5 mm (1.1 in)	39 of 100 (Notable)
Dunedin	South Africa	Record daily precipitation	27.0 mm (1.1 in)	39 of 100 (Notable)
Sweetwater	South Africa	Record daily precipitation	50.5 mm (2.0 in)	38 of 100 (Notable)
Berlin 91	South Africa	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Downieville	United States	Record high minimum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Dixon Wwtp	United States	Record high maximum temperature	37.2 C (99.0 F)	38 of 100 (Notable)
Nashville 1 E	United States	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Santa Barbara Muni AP	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Kvareli	Georgia	Record daily precipitation	50.4 mm (2.0 in)	37 of 100 (Notable)
Kirensk	Russia	Record high maximum temperature	26.6 C (79.9 F)	37 of 100 (Notable)
Bellrock	South Africa	Record daily precipitation	29.5 mm (1.2 in)	37 of 100 (Notable)
Luckhoff (Pol)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,127 records

Records set or tied on 30 August 1984 by type: Highest daily maximum 233, Lowest daily maximum 56, Highest daily minimum 208, Lowest daily minimum 114, Heaviest daily rainfall 516.

Records on 30 August 1984 by type
Record type	Records
Highest daily maximum	233
Lowest daily maximum	56
Highest daily minimum	208
Lowest daily minimum	114
Heaviest daily rainfall	516
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 1984 by timescale: all-time 0, monthly 44, daily 1,083.

How Much Records Were Beaten By

894 broken records

Margins by which the 894 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 46.5. Ties are not counted.

Top 20 by Significance

30 August 1984

Top 20 records on 30 August 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 1984	De Aar, ZA	daily rain	40.2 mm (1.6 in)	30.8 mm (1.2 in)	86 years	75 of 100 (Major)
30 August 1984	Lysebotn, NO	daily rain	78.8 mm (3.1 in)	41.2 mm (1.6 in)	50 years	63 of 100 (Major)
30 August 1984	Noupoort, ZA	daily rain	38.0 mm (1.5 in)	25.3 mm (1.0 in)	98 years	61 of 100 (Major)
30 August 1984	Venterstad, ZA	daily rain	32.5 mm (1.3 in)	21.1 mm (0.8 in)	100 years	61 of 100 (Major)
30 August 1984	Colesberg (Tnk), ZA	daily rain	27.2 mm (1.1 in)	17.0 mm (0.7 in)	95 years	58 of 100 (Notable)
30 August 1984	Paisley, US	daily rain	32.5 mm (1.3 in)	30.0 mm (1.2 in)	31 years	58 of 100 (Notable)
30 August 1984	Paardekopplaas, ZA	daily rain	47.5 mm (1.9 in)	37.3 mm (1.5 in)	66 years	57 of 100 (Notable)
30 August 1984	Hamelfontein, ZA	daily rain	52.5 mm (2.1 in)	34.0 mm (1.3 in)	41 years	56 of 100 (Notable)
30 August 1984	Rouxville (Pol), ZA	daily rain	40.0 mm (1.6 in)	30.6 mm (1.2 in)	66 years	56 of 100 (Notable)
30 August 1984	Ebenezer (Weltevrede), ZA	daily rain	40.0 mm (1.6 in)	32.9 mm (1.3 in)	34 years	54 of 100 (Notable)
30 August 1984	Buckland Downs, ZA	daily rain	39.0 mm (1.5 in)	28.6 mm (1.1 in)	41 years	53 of 100 (Notable)
30 August 1984	Rietpoort, ZA	daily rain	38.5 mm (1.5 in)	29.4 mm (1.2 in)	41 years	53 of 100 (Notable)
30 August 1984	Kareekloof, ZA	daily rain	29.0 mm (1.1 in)	20.1 mm (0.8 in)	65 years	52 of 100 (Notable)
30 August 1984	Sunny Hills, ZA	daily rain	40.1 mm (1.6 in)	31.2 mm (1.2 in)	33 years	52 of 100 (Notable)
30 August 1984	Glen Morgan, ZA	daily rain	37.6 mm (1.5 in)	28.5 mm (1.1 in)	33 years	52 of 100 (Notable)
30 August 1984	Swartkoppies, ZA	daily rain	51.0 mm (2.0 in)	45.4 mm (1.8 in)	34 years	51 of 100 (Notable)
30 August 1984	Harrismith (Tnk), ZA	monthly rain	68.0 mm (2.7 in)	14.2 mm (0.6 in)	50 years	50 of 100 (Notable)
30 August 1984	Hlobane, ZA	daily rain	44.0 mm (1.7 in)	38.0 mm (1.5 in)	25 years	50 of 100 (Notable)
30 August 1984	John Day, US	daily rain	30.2 mm (1.2 in)	22.3 mm (0.9 in)	5 years	49 of 100 (Notable)
30 August 1984	Samnanger, NO	daily rain	91.3 mm (3.6 in)	28.1 mm (1.1 in)	78 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

1806 to 1984

Records set or tied on this calendar date in each year from 1806 to 1984. 1984 had 1,127 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 1984-08-30: 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).

Histogram of margins by which records were beaten on 30 August 1984
Margin	Records
0 to 10	715
10 to 20	114
20 to 30	44
30 to 40	15
40 to 50	6