Weather Records on 13 August 1970

390 weather records were set or tied worldwide on 13 August 1970. Highest significance: Nagappattinam, IN.

Key Facts for 13 August 1970

On 13 August 1970, 390 weather records were set or tied at long-record stations worldwide.
175 were record highs and 60 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 380 daily.
Nagappattinam set a monthly record daily precipitation of 150.0 mm (5.9 in) on 13 August 1970.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 475 records.

Record Map

390 stations

390 station records on 13 August 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 13 August 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nagappattinam	India	Record daily precipitation	150.0 mm (5.9 in)	59 of 100 (Notable)
Alur	India	Record daily precipitation	82.0 mm (3.2 in)	57 of 100 (Notable)
Winthrop UNIV	United States	Record daily precipitation	121.9 mm (4.8 in)	56 of 100 (Notable)
Vasilevici	Belarus	Record daily precipitation	72.9 mm (2.9 in)	54 of 100 (Notable)
Bandher	India	Record daily precipitation	162.6 mm (6.4 in)	53 of 100 (Notable)
Adoni	India	Record daily precipitation	73.7 mm (2.9 in)	52 of 100 (Notable)
Dhone	India	Record daily precipitation	74.9 mm (2.9 in)	52 of 100 (Notable)
Mikhailovka	Kazakhstan	Record daily precipitation	36.4 mm (1.4 in)	52 of 100 (Notable)
Perry	United States	Record daily precipitation	90.9 mm (3.6 in)	51 of 100 (Notable)
Iron River	Canada	Record daily precipitation	43.9 mm (1.7 in)	50 of 100 (Notable)
Saoner	India	Record daily precipitation	106.6 mm (4.2 in)	49 of 100 (Notable)
Meerut Obsy	India	Record daily precipitation	121.0 mm (4.8 in)	47 of 100 (Notable)
Cernigov	Ukraine	Record daily precipitation	44.4 mm (1.7 in)	47 of 100 (Notable)
Avalon Pleasure Pier	United States	Record low minimum temperature	7.2 C (45.0 F)	47 of 100 (Notable)
Achalpur	India	Record daily precipitation	96.5 mm (3.8 in)	46 of 100 (Notable)
Chomu	India	Record daily precipitation	81.4 mm (3.2 in)	45 of 100 (Notable)
Douglas	United States	Record daily precipitation	95.3 mm (3.8 in)	44 of 100 (Notable)
Pattikonda	India	Record daily precipitation	82.6 mm (3.3 in)	43 of 100 (Notable)
Siruguppa	India	Record daily precipitation	80.0 mm (3.1 in)	43 of 100 (Notable)
Saint John	Canada	Record high maximum temperature	30.0 C (86.0 F)	42 of 100 (Notable)
Koilkuntla	India	Record daily precipitation	46.6 mm (1.8 in)	40 of 100 (Notable)
Aloograda	India	Record daily precipitation	69.8 mm (2.7 in)	39 of 100 (Notable)
Mahbubnagar	India	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)
Katiya	India	Record daily precipitation	123.4 mm (4.9 in)	39 of 100 (Notable)
Nohar	India	Record daily precipitation	43.0 mm (1.7 in)	39 of 100 (Notable)
Jabjur-In-Armenia	Armenia	Record daily precipitation	41.1 mm (1.6 in)	38 of 100 (Notable)
Umerkhed	India	Record daily precipitation	93.8 mm (3.7 in)	37 of 100 (Notable)
Agra	India	Record daily precipitation	89.3 mm (3.5 in)	37 of 100 (Notable)
Syktyvkar	Russia	Record daily precipitation	29.1 mm (1.1 in)	37 of 100 (Notable)
Gorki	Belarus	Record daily precipitation	47.1 mm (1.9 in)	36 of 100 (Notable)
Bagalkot	India	Record daily precipitation	40.4 mm (1.6 in)	35 of 100 (Notable)
Barsi	India	Record daily precipitation	52.0 mm (2.0 in)	35 of 100 (Notable)
Krasnaja_Gora	Russia	Record daily precipitation	45.6 mm (1.8 in)	35 of 100 (Notable)
Brandon Cda	Canada	Record high maximum temperature	36.1 C (97.0 F)	33 of 100 (Routine)
Penugonda	India	Record daily precipitation	63.5 mm (2.5 in)	33 of 100 (Routine)
Bijapur	India	Record daily precipitation	42.8 mm (1.7 in)	33 of 100 (Routine)
Amraoti	India	Record daily precipitation	40.8 mm (1.6 in)	33 of 100 (Routine)
Bayfield 6 N	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)
Ballabgarh	India	Record daily precipitation	125.0 mm (4.9 in)	32 of 100 (Routine)
Kattumavadi	India	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Hartwell	United States	Record low maximum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Sathenapalli	India	Record daily precipitation	64.2 mm (2.5 in)	31 of 100 (Routine)
Namakkal	India	Record daily precipitation	38.2 mm (1.5 in)	31 of 100 (Routine)
Chandpur	India	Record daily precipitation	113.2 mm (4.5 in)	30 of 100 (Routine)
Columbia UNIV of Sc	United States	Record daily precipitation	49.0 mm (1.9 in)	30 of 100 (Routine)
Galesville 2WSW	United States	Record daily precipitation	49.5 mm (1.9 in)	30 of 100 (Routine)
Cape Hopes Advance	Canada	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
La Belle	United States	Record daily precipitation	70.9 mm (2.8 in)	29 of 100 (Routine)
Melbourne WFO	United States	Record low maximum temperature	26.1 C (79.0 F)	29 of 100 (Routine)
Iron Mtn-Kingsford Wwtp	United States	Record daily precipitation	31.8 mm (1.3 in)	29 of 100 (Routine)
Steuben	United States	Record daily precipitation	38.9 mm (1.5 in)	29 of 100 (Routine)
Leech Lake	United States	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Little Mtn	United States	Record low maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Menno	United States	Record high minimum temperature	24.4 C (75.9 F)	29 of 100 (Routine)
Cicero Dantas	Brazil	Record daily precipitation	35.0 mm (1.4 in)	28 of 100 (Routine)
Chicoutimi	Canada	Record high maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)
Ilkal	India	Record daily precipitation	45.7 mm (1.8 in)	28 of 100 (Routine)
Pusad	India	Record daily precipitation	68.8 mm (2.7 in)	28 of 100 (Routine)
Aztec Ruins Nm	United States	Record high maximum temperature	37.2 C (99.0 F)	28 of 100 (Routine)
Intl Falls Intl AP	United States	Record high maximum temperature	34.4 C (93.9 F)	28 of 100 (Routine)

Counts by Type and Timescale

390 records

Records set or tied on 13 August 1970 by type: Highest daily maximum 106, Lowest daily maximum 33, Highest daily minimum 69, Lowest daily minimum 27, Heaviest daily rainfall 155.

Records on 13 August 1970 by type
Record type	Records
Highest daily maximum	106
Lowest daily maximum	33
Highest daily minimum	69
Lowest daily minimum	27
Heaviest daily rainfall	155
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 13 August 1970 by timescale: all-time 1, monthly 9, daily 380.

How Much Records Were Beaten By

297 broken records

Margins by which the 297 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.5. Ties are not counted.

Top 20 by Significance

13 August 1970

Top 20 records on 13 August 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
13 August 1970	Nagappattinam, IN	monthly rain	150.0 mm (5.9 in)	54.5 mm (2.1 in)	19 years	59 of 100 (Notable)
13 August 1970	Alur, IN	daily rain	82.0 mm (3.2 in)	47.7 mm (1.9 in)	64 years	57 of 100 (Notable)
13 August 1970	Winthrop UNIV, US	daily rain	121.9 mm (4.8 in)	82.5 mm (3.2 in)	32 years	56 of 100 (Notable)
13 August 1970	Vasilevici, BY	monthly rain	72.9 mm (2.9 in)	9.7 mm (0.38 in)	74 years	54 of 100 (Notable)
13 August 1970	Bandher, IN	daily rain	162.6 mm (6.4 in)	73.7 mm (2.9 in)	35 years	53 of 100 (Notable)
13 August 1970	Adoni, IN	daily rain	73.7 mm (2.9 in)	38.1 mm (1.5 in)	56 years	52 of 100 (Notable)
13 August 1970	Dhone, IN	daily rain	74.9 mm (2.9 in)	52.5 mm (2.1 in)	21 years	52 of 100 (Notable)
13 August 1970	Mikhailovka, KZ	daily rain	36.4 mm (1.4 in)	27.7 mm (1.1 in)	21 years	52 of 100 (Notable)
13 August 1970	Perry, US	daily rain	90.9 mm (3.6 in)	54.8 mm (2.2 in)	40 years	51 of 100 (Notable)
13 August 1970	Iron River, CA	daily rain	43.9 mm (1.7 in)	30.2 mm (1.2 in)	35 years	50 of 100 (Notable)
13 August 1970	Saoner, IN	daily rain	106.6 mm (4.2 in)	69.8 mm (2.7 in)	20 years	49 of 100 (Notable)
13 August 1970	Meerut Obsy, IN	daily rain	121.0 mm (4.8 in)	61.6 mm (2.4 in)	60 years	47 of 100 (Notable)
13 August 1970	Cernigov, UA	daily rain	44.4 mm (1.7 in)	36.2 mm (1.4 in)	13 years	47 of 100 (Notable)
13 August 1970	Avalon Pleasure Pier, US	monthly low min	7.2 C (45.0 F)	2.8 C (5.0 F)	59 years	47 of 100 (Notable)
13 August 1970	Achalpur, IN	daily rain	96.5 mm (3.8 in)	57.9 mm (2.3 in)	12 years	46 of 100 (Notable)
13 August 1970	Chomu, IN	daily rain	81.4 mm (3.2 in)	45.8 mm (1.8 in)	45 years	45 of 100 (Notable)
13 August 1970	Douglas, US	daily rain	95.3 mm (3.8 in)	62.3 mm (2.5 in)	3 years	44 of 100 (Notable)
13 August 1970	Pattikonda, IN	daily rain	82.6 mm (3.3 in)	23.4 mm (0.9 in)	67 years	43 of 100 (Notable)
13 August 1970	Siruguppa, IN	daily rain	80.0 mm (3.1 in)	27.4 mm (1.1 in)	64 years	43 of 100 (Notable)
13 August 1970	Saint John, CA	daily high max	30.0 C (86.0 F)	2.8 C (5.0 F)	78 years	42 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

1793 to 1970

Records set or tied on this calendar date in each year from 1793 to 1970. 1970 had 390 records.

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

Records on 08-13 in each year
Year	Records
1793	1
1796	1
1807	1
1843	2
1849	1
1855	1
1856	1
1857	1
1861	3
1864	3
1867	3
1868	2
1871	1
1872	1
1874	1
1876	3
1878	1
1879	1
1881	1
1885	3
1886	1
1887	5
1889	3
1890	2
1891	1
1892	1
1893	3
1894	4
1895	6
1896	4
1897	9
1898	2
1899	4
1900	3
1901	3
1902	23
1903	12
1904	11
1905	11
1906	8
1907	3
1908	36
1909	33
1910	9
1911	41
1912	53
1913	20
1914	19
1915	32
1916	64
1917	62
1918	68
1919	38
1920	56
1921	34
1922	39
1923	84
1924	168
1925	145
1926	168
1927	113
1928	215
1929	184
1930	490
1931	596
1932	369
1933	291
1934	427
1935	400
1936	705
1937	370
1938	442
1939	276
1940	631
1941	516
1942	388
1943	611
1944	761
1945	355
1946	599
1947	685
1948	346
1949	420
1950	436
1951	373
1952	985
1953	238
1954	781
1955	732
1956	355
1957	432
1958	352
1959	363
1960	460
1961	503
1962	550
1963	583
1964	1,526
1965	734
1966	565
1967	1,091
1968	828
1969	663
1970	390
1971	431
1972	485
1973	452
1974	572
1975	462
1976	693
1977	678
1978	761
1979	1,198
1980	502
1981	534
1982	653
1983	647
1984	597
1985	829
1986	609
1987	1,106
1988	1,363
1989	637
1990	770
1991	845
1992	1,666
1993	993
1994	944
1995	1,910
1996	1,276
1997	1,009
1998	917
1999	1,363
2000	719
2001	861
2002	1,475
2003	1,993
2004	2,040
2005	1,418
2006	1,023
2007	1,243
2008	842
2009	806
2010	1,783
2011	736
2012	969
2013	430
2014	701
2015	653
2016	1,064
2017	523
2018	462
2019	653
2020	753
2021	928
2022	799
2023	763
2024	1,061
2025	714
2026	1,097

Download the Data

Data for records on 1970-08-13: 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	254
20 to 40	27
40 to 60	10
60 to 80	5
80 to 100	1