Weather Records on 25 August 1970

721 weather records were set or tied worldwide on 25 August 1970. Highest significance: Ida, ZA.

Key Facts for 25 August 1970

On 25 August 1970, 721 weather records were set or tied at long-record stations worldwide.
138 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 69 monthly and 650 daily.
Ida set a monthly record daily precipitation of 88.9 mm (3.5 in) on 25 August 1970.
Across 168 earlier years (1796 to 2026) the same calendar date averaged 436 records.

Record Map

721 stations

721 station records on 25 August 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 August 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ida	South Africa	Record daily precipitation	88.9 mm (3.5 in)	82 of 100 (Exceptional)
Pirie (Bos)	South Africa	Record daily precipitation	88.0 mm (3.5 in)	81 of 100 (Exceptional)
Kei Road (Pol)	South Africa	Record daily precipitation	88.0 mm (3.5 in)	78 of 100 (Major)
Bloukrans (Bos)	South Africa	Record daily precipitation	126.4 mm (5.0 in)	75 of 100 (Major)
Seymour (Mag)	South Africa	Record daily precipitation	56.5 mm (2.2 in)	73 of 100 (Major)
Wagenaarskraal	South Africa	Record daily precipitation	25.0 mm (1.0 in)	71 of 100 (Major)
Isidinge (Bos)	South Africa	Record daily precipitation	137.0 mm (5.4 in)	70 of 100 (Major)
Ntsubane (Bos)	South Africa	Record daily precipitation	255.0 mm (10.0 in)	70 of 100 (Major)
Izeleni (Bos)	South Africa	Record daily precipitation	98.5 mm (3.9 in)	68 of 100 (Major)
Cwencwe (Bos)	South Africa	Record daily precipitation	112.0 mm (4.4 in)	66 of 100 (Major)
Korana "Xorana"	South Africa	Record daily precipitation	77.0 mm (3.0 in)	66 of 100 (Major)
Wilo (Bos)	South Africa	Record daily precipitation	164.5 mm (6.5 in)	66 of 100 (Major)
Den Haag	South Africa	Record daily precipitation	86.0 mm (3.4 in)	66 of 100 (Major)
Katberg (Bos)	South Africa	Record daily precipitation	50.5 mm (2.0 in)	64 of 100 (Major)
Sihota	South Africa	Record daily precipitation	64.0 mm (2.5 in)	64 of 100 (Major)
Somerset East	South Africa	Record daily precipitation	42.5 mm (1.7 in)	63 of 100 (Major)
Umzonia (Rsv)	South Africa	Record daily precipitation	117.3 mm (4.6 in)	63 of 100 (Major)
Deal Island	Australia	Record daily precipitation	37.8 mm (1.5 in)	62 of 100 (Major)
Kweekwa	South Africa	Record daily precipitation	68.5 mm (2.7 in)	62 of 100 (Major)
Groblershoop;Boegoeb	South Africa	Record daily precipitation	45.0 mm (1.8 in)	62 of 100 (Major)
Grahamstown	South Africa	Record daily precipitation	50.5 mm (2.0 in)	61 of 100 (Major)
Lusikisiki (Tnk)	South Africa	Record daily precipitation	85.0 mm (3.3 in)	61 of 100 (Major)
Adirampatanam	India	Record daily precipitation	83.8 mm (3.3 in)	60 of 100 (Major)
Rabula (Bos)	South Africa	Record daily precipitation	110.5 mm (4.4 in)	60 of 100 (Major)
Cofimvaba (Tnk)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	60 of 100 (Major)
Middleburg	South Africa	Record daily precipitation	49.0 mm (1.9 in)	60 of 100 (Major)
Pedro Barros	Brazil	Record daily precipitation	124.6 mm (4.9 in)	59 of 100 (Notable)
Frankfort C/K	South Africa	Record daily precipitation	91.0 mm (3.6 in)	59 of 100 (Notable)
Vattaram	India	Record daily precipitation	68.4 mm (2.7 in)	58 of 100 (Notable)
Silverdales	South Africa	Record daily precipitation	113.0 mm (4.4 in)	58 of 100 (Notable)
Notinsila (Bos)	South Africa	Record daily precipitation	167.0 mm (6.6 in)	58 of 100 (Notable)
Buffelsnek (Bos)	South Africa	Record daily precipitation	100.7 mm (4.0 in)	57 of 100 (Notable)
Balfour (Pol)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	57 of 100 (Notable)
Devonport Harbour Master	Australia	Record daily precipitation	68.6 mm (2.7 in)	56 of 100 (Notable)
Iguape	Brazil	Record daily precipitation	57.6 mm (2.3 in)	56 of 100 (Notable)
Nidamangalam	India	Record daily precipitation	83.0 mm (3.3 in)	56 of 100 (Notable)
Herold (Pol)	South Africa	Record daily precipitation	111.0 mm (4.4 in)	56 of 100 (Notable)
Kubusie (Bos)	South Africa	Record daily precipitation	55.5 mm (2.2 in)	55 of 100 (Notable)
Dohne	South Africa	Record daily precipitation	53.0 mm (2.1 in)	55 of 100 (Notable)
Lady Frere (Tnk)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	55 of 100 (Notable)
Oukraal	South Africa	Record daily precipitation	44.0 mm (1.7 in)	54 of 100 (Notable)
Brakboschpoort	South Africa	Record daily precipitation	27.5 mm (1.1 in)	54 of 100 (Notable)
Kindred (Invergordon)	Australia	Record daily precipitation	81.8 mm (3.2 in)	53 of 100 (Notable)
Pederneiras (Cpef) D5-005	Brazil	Record daily precipitation	28.0 mm (1.1 in)	53 of 100 (Notable)
Fort Fordyce (Bos)	South Africa	Record daily precipitation	49.5 mm (1.9 in)	53 of 100 (Notable)
Wolfridge (Bos)	South Africa	Record daily precipitation	67.0 mm (2.6 in)	53 of 100 (Notable)
Komga (Pol)	South Africa	Record daily precipitation	88.0 mm (3.5 in)	53 of 100 (Notable)
Nieuwejaarsfontein	South Africa	Record daily precipitation	31.0 mm (1.2 in)	53 of 100 (Notable)
Ulverstone (Knights Road)	Australia	Record daily precipitation	62.2 mm (2.4 in)	52 of 100 (Notable)
Lughrata	Australia	Record daily precipitation	38.4 mm (1.5 in)	52 of 100 (Notable)
Grootdoornrivier	South Africa	Record daily precipitation	45.5 mm (1.8 in)	52 of 100 (Notable)
Willowvale (Tnk)	South Africa	Record daily precipitation	79.0 mm (3.1 in)	52 of 100 (Notable)
Cromleigh,Ixopo	South Africa	Record daily precipitation	41.1 mm (1.6 in)	52 of 100 (Notable)
Stonehouse	Australia	Record daily precipitation	34.8 mm (1.4 in)	51 of 100 (Notable)
Goudveld (Bos)	South Africa	Record daily precipitation	61.5 mm (2.4 in)	51 of 100 (Notable)
Merweville	South Africa	Record daily precipitation	40.0 mm (1.6 in)	51 of 100 (Notable)
Huxley	South Africa	Record daily precipitation	56.0 mm (2.2 in)	51 of 100 (Notable)
Contest	South Africa	Record daily precipitation	27.0 mm (1.1 in)	51 of 100 (Notable)
Tower Hill	Australia	Record daily precipitation	65.5 mm (2.6 in)	50 of 100 (Notable)
Fort Cunynghame (Bos)	South Africa	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)

Counts by Type and Timescale

721 records

Records set or tied on 25 August 1970 by type: Highest daily maximum 81, Lowest daily maximum 27, Highest daily minimum 57, Lowest daily minimum 38, Heaviest daily rainfall 518.

Records on 25 August 1970 by type
Record type	Records
Highest daily maximum	81
Lowest daily maximum	27
Highest daily minimum	57
Lowest daily minimum	38
Heaviest daily rainfall	518
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 25 August 1970 by timescale: all-time 2, monthly 69, daily 650.

How Much Records Were Beaten By

635 broken records

Margins by which the 635 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 150.9. Ties are not counted.

Top 20 by Significance

25 August 1970

Top 20 records on 25 August 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 1970	Ida, ZA	monthly rain	88.9 mm (3.5 in)	36.8 mm (1.4 in)	81 years	82 of 100 (Exceptional)
25 August 1970	Pirie (Bos), ZA	monthly rain	88.0 mm (3.5 in)	36.4 mm (1.4 in)	78 years	81 of 100 (Exceptional)
25 August 1970	Kei Road (Pol), ZA	monthly rain	88.0 mm (3.5 in)	31.6 mm (1.2 in)	78 years	78 of 100 (Major)
25 August 1970	Bloukrans (Bos), ZA	daily rain	126.4 mm (5.0 in)	83.7 mm (3.3 in)	88 years	75 of 100 (Major)
25 August 1970	Seymour (Mag), ZA	daily rain	56.5 mm (2.2 in)	48.1 mm (1.9 in)	81 years	73 of 100 (Major)
25 August 1970	Wagenaarskraal, ZA	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	84 years	71 of 100 (Major)
25 August 1970	Isidinge (Bos), ZA	monthly rain	137.0 mm (5.4 in)	49.1 mm (1.9 in)	40 years	70 of 100 (Major)
25 August 1970	Ntsubane (Bos), ZA	monthly rain	255.0 mm (10.0 in)	150.9 mm (5.9 in)	51 years	70 of 100 (Major)
25 August 1970	Izeleni (Bos), ZA	monthly rain	98.5 mm (3.9 in)	53.5 mm (2.1 in)	40 years	68 of 100 (Major)
25 August 1970	Cwencwe (Bos), ZA	monthly rain	112.0 mm (4.4 in)	51.8 mm (2.0 in)	40 years	66 of 100 (Major)
25 August 1970	Korana "Xorana", ZA	monthly rain	77.0 mm (3.0 in)	40.9 mm (1.6 in)	40 years	66 of 100 (Major)
25 August 1970	Wilo (Bos), ZA	monthly rain	164.5 mm (6.5 in)	104.8 mm (4.1 in)	40 years	66 of 100 (Major)
25 August 1970	Den Haag, ZA	monthly rain	86.0 mm (3.4 in)	40.8 mm (1.6 in)	40 years	66 of 100 (Major)
25 August 1970	Katberg (Bos), ZA	daily rain	50.5 mm (2.0 in)	31.4 mm (1.2 in)	67 years	64 of 100 (Major)
25 August 1970	Sihota, ZA	monthly rain	64.0 mm (2.5 in)	25.9 mm (1.0 in)	40 years	64 of 100 (Major)
25 August 1970	Somerset East, ZA	daily rain	42.5 mm (1.7 in)	24.2 mm (1.0 in)	68 years	63 of 100 (Major)
25 August 1970	Umzonia (Rsv), ZA	monthly rain	117.3 mm (4.6 in)	61.4 mm (2.4 in)	27 years	63 of 100 (Major)
25 August 1970	Deal Island, AU	daily rain	37.8 mm (1.5 in)	28.7 mm (1.1 in)	45 years	62 of 100 (Major)
25 August 1970	Kweekwa, ZA	monthly rain	68.5 mm (2.7 in)	37.3 mm (1.5 in)	31 years	62 of 100 (Major)
25 August 1970	Groblershoop;Boegoeb, ZA	monthly rain	45.0 mm (1.8 in)	27.5 mm (1.1 in)	31 years	62 of 100 (Major)

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

1796 to 1970

Records set or tied on this calendar date in each year from 1796 to 1970. 1970 had 721 records.

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

Records on 08-25 in each year
Year	Records
1796	1
1801	1
1802	1
1807	2
1809	1
1813	1
1814	1
1816	1
1818	2
1837	1
1838	2
1839	1
1848	1
1852	1
1855	2
1859	1
1861	2
1864	1
1867	2
1869	1
1870	1
1871	2
1872	2
1875	1
1876	5
1877	3
1879	3
1880	2
1884	1
1885	2
1886	1
1887	1
1889	1
1890	3
1892	4
1893	8
1894	2
1895	4
1896	2
1897	2
1898	2
1899	5
1900	13
1901	11
1902	6
1903	13
1904	11
1905	12
1906	29
1907	15
1908	13
1909	22
1910	32
1911	32
1912	32
1913	31
1914	30
1915	94
1916	18
1917	65
1918	37
1919	172
1920	174
1921	50
1922	70
1923	117
1924	402
1925	145
1926	224
1927	356
1928	167
1929	174
1930	247
1931	251
1932	270
1933	307
1934	457
1935	317
1936	859
1937	333
1938	620
1939	366
1940	658
1941	474
1942	514
1943	496
1944	589
1945	462
1946	305
1947	627
1948	876
1949	281
1950	327
1951	352
1952	585
1953	461
1954	520
1955	711
1956	273
1957	479
1958	958
1959	576
1960	585
1961	487
1962	398
1963	510
1964	557
1965	401
1966	715
1967	439
1968	596
1969	631
1970	721
1971	628
1972	596
1973	537
1974	466
1975	650
1976	459
1977	731
1978	702
1979	828
1980	750
1981	671
1982	907
1983	1,277
1984	694
1985	1,048
1986	778
1987	1,533
1988	815
1989	918
1990	817
1991	688
1992	1,680
1993	1,137
1994	617
1995	1,206
1996	1,058
1997	1,553
1998	1,138
1999	895
2000	790
2001	1,021
2002	1,073
2003	872
2004	947
2005	874
2006	1,020
2007	1,345
2008	1,026
2009	824
2010	1,321
2011	1,332
2012	709
2013	619
2014	853
2015	1,157
2016	887
2017	432
2018	438
2019	708
2020	931
2021	597
2022	672
2023	1,565
2024	909
2025	1,071
2026	886

Download the Data

Data for records on 1970-08-25: 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	520
20 to 40	80
40 to 60	20
60 to 80	9
80 to 100	4
100 to 120	1
120 to 140	0
140 to 160	1