Weather Records on 28 August 1970

617 weather records were set or tied worldwide on 28 August 1970. Highest significance: Umzonia (Rsv), ZA.

Key Facts for 28 August 1970

On 28 August 1970, 617 weather records were set or tied at long-record stations worldwide.
128 were record highs and 176 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 36 monthly and 579 daily.
Umzonia (Rsv) set an all-time record daily precipitation of 251.8 mm (9.9 in) on 28 August 1970.
Across 161 earlier years (1800 to 2026) the same calendar date averaged 456 records.

Record Map

617 stations

617 station records on 28 August 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 August 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Umzonia (Rsv)	South Africa	Record daily precipitation	251.8 mm (9.9 in)	79 of 100 (Major)
Thomas River (Sar)	South Africa	Record daily precipitation	49.0 mm (1.9 in)	72 of 100 (Major)
Peddie (Mag)	South Africa	Record daily precipitation	100.0 mm (3.9 in)	71 of 100 (Major)
Komga (Pol)	South Africa	Record daily precipitation	64.0 mm (2.5 in)	69 of 100 (Major)
Bansda	India	Record daily precipitation	250.0 mm (9.8 in)	67 of 100 (Major)
Paardekraal	South Africa	Record daily precipitation	110.5 mm (4.4 in)	67 of 100 (Major)
Alicedale	South Africa	Record daily precipitation	64.2 mm (2.5 in)	66 of 100 (Major)
Valod	India	Record daily precipitation	228.0 mm (9.0 in)	64 of 100 (Major)
Fort Cunynghame (Bos)	South Africa	Record daily precipitation	60.0 mm (2.4 in)	62 of 100 (Major)
Morvi	India	Record daily precipitation	144.0 mm (5.7 in)	61 of 100 (Major)
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	101.6 mm (4.0 in)	60 of 100 (Major)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	86.0 mm (3.4 in)	59 of 100 (Notable)
Pirie (Bos)	South Africa	Record daily precipitation	70.5 mm (2.8 in)	59 of 100 (Notable)
Mount Coke (Bos)	South Africa	Record daily precipitation	235.0 mm (9.3 in)	57 of 100 (Notable)
Berlin (Sar)	South Africa	Record daily precipitation	193.5 mm (7.6 in)	57 of 100 (Notable)
Mandvi	India	Record daily precipitation	240.0 mm (9.4 in)	56 of 100 (Notable)
Umzimkulu (Tnk)	South Africa	Record daily precipitation	77.0 mm (3.0 in)	56 of 100 (Notable)
Navsari	India	Record daily precipitation	250.2 mm (9.9 in)	55 of 100 (Notable)
Silverdales	South Africa	Record daily precipitation	304.0 mm (12.0 in)	55 of 100 (Notable)
Cwencwe (Bos)	South Africa	Record daily precipitation	85.0 mm (3.3 in)	55 of 100 (Notable)
Hopewell	South Africa	Record daily precipitation	220.0 mm (8.7 in)	55 of 100 (Notable)
Sterkstroom (Pol)	South Africa	Record daily precipitation	34.5 mm (1.4 in)	55 of 100 (Notable)
Gogha	India	Record daily precipitation	122.0 mm (4.8 in)	54 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	46.9 mm (1.8 in)	54 of 100 (Notable)
Songadh	India	Record daily precipitation	228.6 mm (9.0 in)	53 of 100 (Notable)
Guayama 1SW	Puerto Rico [United States]	Record daily precipitation	174.0 mm (6.9 in)	53 of 100 (Notable)
Dediapada	India	Record daily precipitation	210.0 mm (8.3 in)	52 of 100 (Notable)
Bardoli	India	Record daily precipitation	160.0 mm (6.3 in)	52 of 100 (Notable)
Juchitan de Zaragoza	Mexico	Record daily precipitation	151.9 mm (6.0 in)	52 of 100 (Notable)
Cathcart	South Africa	Record daily precipitation	51.5 mm (2.0 in)	52 of 100 (Notable)
Ilav	India	Record daily precipitation	91.0 mm (3.6 in)	51 of 100 (Notable)
Magnitogorsk	Russia	Record daily precipitation	39.0 mm (1.5 in)	51 of 100 (Notable)
Boesmansrivier	South Africa	Record daily precipitation	70.5 mm (2.8 in)	51 of 100 (Notable)
Fort Beaufort	South Africa	Record daily precipitation	78.5 mm (3.1 in)	51 of 100 (Notable)
Kei Road (Pol)	South Africa	Record daily precipitation	91.5 mm (3.6 in)	51 of 100 (Notable)
Rockford	South Africa	Record daily precipitation	127.0 mm (5.0 in)	51 of 100 (Notable)
Karabulak	Russia	Record daily precipitation	41.2 mm (1.6 in)	50 of 100 (Notable)
Isidinge (Bos)	South Africa	Record daily precipitation	104.0 mm (4.1 in)	50 of 100 (Notable)
Port Alfred	South Africa	Record daily precipitation	47.9 mm (1.9 in)	49 of 100 (Notable)
Greatfish-Point Vrt	South Africa	Record daily precipitation	76.0 mm (3.0 in)	49 of 100 (Notable)
Hogsback (Bos)	South Africa	Record daily precipitation	98.0 mm (3.9 in)	49 of 100 (Notable)
Wolfridge (Bos)	South Africa	Record daily precipitation	83.5 mm (3.3 in)	49 of 100 (Notable)
Cata (Bos)	South Africa	Record daily precipitation	78.5 mm (3.1 in)	49 of 100 (Notable)
Ponnamaravathi	India	Record daily precipitation	79.0 mm (3.1 in)	48 of 100 (Notable)
Kubusie (Bos)	South Africa	Record daily precipitation	81.5 mm (3.2 in)	48 of 100 (Notable)
Izeleni (Bos)	South Africa	Record daily precipitation	80.6 mm (3.2 in)	48 of 100 (Notable)
Rabula (Bos)	South Africa	Record daily precipitation	83.0 mm (3.3 in)	47 of 100 (Notable)
Frankfort C/K	South Africa	Record daily precipitation	88.0 mm (3.5 in)	47 of 100 (Notable)
Thomas River (Pol)	South Africa	Record daily precipitation	60.6 mm (2.4 in)	47 of 100 (Notable)
Bulsar Obsy Sr	India	Record daily precipitation	222.2 mm (8.7 in)	46 of 100 (Notable)
Cidra 1 E	Puerto Rico [United States]	Record daily precipitation	74.7 mm (2.9 in)	46 of 100 (Notable)
Juncos 1 SE	Puerto Rico [United States]	Record daily precipitation	130.0 mm (5.1 in)	46 of 100 (Notable)
Granta	South Africa	Record daily precipitation	115.0 mm (4.5 in)	46 of 100 (Notable)
Humacao 2 SSE	Puerto Rico [United States]	Record daily precipitation	133.4 mm (5.3 in)	45 of 100 (Notable)
Cegcuana (Bos)	South Africa	Record daily precipitation	77.5 mm (3.1 in)	45 of 100 (Notable)
Ahwa	India	Record daily precipitation	140.8 mm (5.5 in)	44 of 100 (Notable)
Wankaner	India	Record daily precipitation	88.9 mm (3.5 in)	43 of 100 (Notable)
Dos Bocas	Puerto Rico [United States]	Record daily precipitation	73.9 mm (2.9 in)	43 of 100 (Notable)
Mbulu (Bos)	South Africa	Record daily precipitation	65.5 mm (2.6 in)	43 of 100 (Notable)
N'Dabakazi (Sar)	South Africa	Record daily precipitation	99.5 mm (3.9 in)	43 of 100 (Notable)

Counts by Type and Timescale

617 records

Records set or tied on 28 August 1970 by type: Highest daily maximum 59, Lowest daily maximum 85, Highest daily minimum 69, Lowest daily minimum 91, Heaviest daily rainfall 313.

Records on 28 August 1970 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	85
Highest daily minimum	69
Lowest daily minimum	91
Heaviest daily rainfall	313
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 August 1970 by timescale: all-time 2, monthly 36, daily 579.

How Much Records Were Beaten By

518 broken records

Margins by which the 518 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 275.0. Ties are not counted.

Top 20 by Significance

28 August 1970

Top 20 records on 28 August 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 August 1970	Umzonia (Rsv), ZA	all-time rain	251.8 mm (9.9 in)	97.9 mm (3.9 in)	47 years	79 of 100 (Major)
28 August 1970	Thomas River (Sar), ZA	daily rain	49.0 mm (1.9 in)	37.6 mm (1.5 in)	76 years	72 of 100 (Major)
28 August 1970	Peddie (Mag), ZA	monthly rain	100.0 mm (3.9 in)	44.6 mm (1.8 in)	40 years	71 of 100 (Major)
28 August 1970	Komga (Pol), ZA	daily rain	64.0 mm (2.5 in)	51.0 mm (2.0 in)	71 years	69 of 100 (Major)
28 August 1970	Bansda, IN	daily rain	250.0 mm (9.8 in)	133.4 mm (5.3 in)	68 years	67 of 100 (Major)
28 August 1970	Paardekraal, ZA	monthly rain	110.5 mm (4.4 in)	52.1 mm (2.1 in)	41 years	67 of 100 (Major)
28 August 1970	Alicedale, ZA	monthly rain	64.2 mm (2.5 in)	18.5 mm (0.7 in)	83 years	66 of 100 (Major)
28 August 1970	Valod, IN	daily rain	228.0 mm (9.0 in)	92.9 mm (3.7 in)	68 years	64 of 100 (Major)
28 August 1970	Fort Cunynghame (Bos), ZA	daily rain	60.0 mm (2.4 in)	44.3 mm (1.7 in)	52 years	62 of 100 (Major)
28 August 1970	Morvi, IN	daily rain	144.0 mm (5.7 in)	82.8 mm (3.3 in)	68 years	61 of 100 (Major)
28 August 1970	Manati 2 E, PR	daily rain	101.6 mm (4.0 in)	74.9 mm (2.9 in)	45 years	60 of 100 (Major)
28 August 1970	Kieskamahoek (Pol), ZA	daily rain	86.0 mm (3.4 in)	62.6 mm (2.5 in)	36 years	59 of 100 (Notable)
28 August 1970	Pirie (Bos), ZA	daily rain	70.5 mm (2.8 in)	32.4 mm (1.3 in)	36 years	59 of 100 (Notable)
28 August 1970	Mount Coke (Bos), ZA	monthly rain	235.0 mm (9.3 in)	109.0 mm (4.3 in)	0 years	57 of 100 (Notable)
28 August 1970	Berlin (Sar), ZA	monthly rain	193.5 mm (7.6 in)	65.0 mm (2.6 in)	0 years	57 of 100 (Notable)
28 August 1970	Mandvi, IN	daily rain	240.0 mm (9.4 in)	179.5 mm (7.1 in)	31 years	56 of 100 (Notable)
28 August 1970	Umzimkulu (Tnk), ZA	monthly rain	77.0 mm (3.0 in)	20.6 mm (0.8 in)	52 years	56 of 100 (Notable)
28 August 1970	Navsari, IN	daily rain	250.2 mm (9.9 in)	214.4 mm (8.4 in)	39 years	55 of 100 (Notable)
28 August 1970	Silverdales, ZA	daily rain	304.0 mm (12.0 in)	275.0 mm (10.8 in)	36 years	55 of 100 (Notable)
28 August 1970	Cwencwe (Bos), ZA	daily rain	85.0 mm (3.3 in)	55.8 mm (2.2 in)	36 years	55 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

1800 to 1970

Records set or tied on this calendar date in each year from 1800 to 1970. 1970 had 617 records.

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

Records on 08-28 in each year
Year	Records
1800	1
1807	4
1811	1
1814	2
1817	1
1835	1
1849	1
1850	1
1851	1
1854	1
1856	1
1858	1
1863	1
1864	4
1865	3
1870	2
1873	1
1874	1
1875	1
1876	1
1877	2
1880	3
1881	4
1884	1
1885	2
1886	1
1887	1
1889	1
1890	4
1891	1
1892	2
1893	3
1894	2
1895	4
1896	9
1897	3
1901	12
1902	2
1903	16
1904	13
1905	23
1906	12
1907	2
1908	10
1909	20
1910	5
1911	34
1912	44
1913	17
1914	40
1915	43
1916	141
1917	49
1918	43
1919	39
1920	80
1921	47
1922	60
1923	79
1924	207
1925	165
1926	241
1927	239
1928	252
1929	162
1930	152
1931	306
1932	383
1933	376
1934	346
1935	545
1936	531
1937	545
1938	325
1939	296
1940	368
1941	485
1942	461
1943	366
1944	592
1945	368
1946	495
1947	288
1948	1,133
1949	442
1950	492
1951	694
1952	447
1953	762
1954	499
1955	413
1956	327
1957	545
1958	288
1959	552
1960	470
1961	371
1962	469
1963	464
1964	556
1965	635
1966	338
1967	701
1968	864
1969	1,089
1970	617
1971	695
1972	651
1973	1,211
1974	816
1975	507
1976	505
1977	757
1978	774
1979	838
1980	424
1981	1,120
1982	1,009
1983	748
1984	886
1985	528
1986	1,995
1987	1,260
1988	953
1989	911
1990	983
1991	968
1992	1,814
1993	1,061
1994	688
1995	954
1996	1,109
1997	1,082
1998	1,415
1999	905
2000	1,028
2001	1,042
2002	903
2003	792
2004	966
2005	731
2006	1,244
2007	788
2008	889
2009	928
2010	914
2011	1,748
2012	682
2013	693
2014	590
2015	660
2016	812
2017	1,060
2018	1,110
2019	943
2020	1,008
2021	459
2022	388
2023	899
2024	862
2025	871
2026	873

Download the Data

Data for records on 1970-08-28: 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 2026-10-17 (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 50	480
50 to 100	27
100 to 150	6
150 to 200	3
200 to 250	1
250 to 300	1