Weather Records on 20 June 1970

482 weather records were set or tied worldwide on 20 June 1970. Highest significance: Tomsk, RU.

Key Facts for 20 June 1970

On 20 June 1970, 482 weather records were set or tied at long-record stations worldwide.
222 were record highs and 145 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 5 monthly and 474 daily.
Tomsk set a daily record precipitation of 61.3 mm (2.4 in) on 20 June 1970.
Across 158 earlier years (1800 to 2026) the same calendar date averaged 458 records.

Record Map

482 stations

482 station records on 20 June 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 June 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tomsk	Russia	Record daily precipitation	61.3 mm (2.4 in)	66 of 100 (Major)
Dickson	United States	Record daily precipitation	95.3 mm (3.8 in)	52 of 100 (Notable)
Tirumangalam	India	Record daily precipitation	41.0 mm (1.6 in)	48 of 100 (Notable)
Rudnya	Russia	Record daily precipitation	38.8 mm (1.5 in)	48 of 100 (Notable)
Jagersfontein	South Africa	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Perelyub	Russia	Record daily precipitation	39.6 mm (1.6 in)	46 of 100 (Notable)
Cekunda	Russia	Record daily precipitation	88.4 mm (3.5 in)	45 of 100 (Notable)
Privolskaya	Russia	Record daily precipitation	26.0 mm (1.0 in)	44 of 100 (Notable)
Karlshamn	Sweden	Record high maximum temperature	31.5 C (88.7 F)	44 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	31.0 C (87.8 F)	43 of 100 (Notable)
Tiruvannamalai	India	Record daily precipitation	42.0 mm (1.7 in)	40 of 100 (Notable)
Avalon Pleasure Pier	United States	Record low minimum temperature	6.1 C (43.0 F)	39 of 100 (Notable)
Huntingdon	Canada	Record low maximum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Ariyalur	India	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Morgan 1 W	United States	Record high minimum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Columbus Junction	United States	Record daily precipitation	68.1 mm (2.7 in)	36 of 100 (Notable)
Cordele	United States	Record high minimum temperature	28.3 C (82.9 F)	35 of 100 (Notable)
Sloan 3 S	United States	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Narasannapeta	India	Record daily precipitation	78.0 mm (3.1 in)	34 of 100 (Routine)
Arcade	United States	Record low minimum temperature	2.8 C (37.0 F)	34 of 100 (Routine)
Petropavlovskij Majak	Russia	Record high minimum temperature	11.5 C (52.7 F)	33 of 100 (Routine)
Tweeling (Pol)	South Africa	Record daily precipitation	42.5 mm (1.7 in)	33 of 100 (Routine)
Clarksville Wwtp	United States	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
Salem AP (McNary Field)	United States	Record high maximum temperature	36.1 C (97.0 F)	33 of 100 (Routine)
McKenzie Rvr Rs	United States	Record high maximum temperature	38.9 C (102.0 F)	32 of 100 (Routine)
Alicia 2 NNE	United States	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Ashland	United States	Record high maximum temperature	40.0 C (104.0 F)	31 of 100 (Routine)
Prineville	United States	Record high maximum temperature	38.3 C (100.9 F)	31 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record high minimum temperature	17.6 C (63.7 F)	30 of 100 (Routine)
Livingston	United States	Record high maximum temperature	37.2 C (99.0 F)	30 of 100 (Routine)
Waynesboro 2 S	United States	Record high maximum temperature	39.4 C (102.9 F)	30 of 100 (Routine)
Princess Anne	United States	Record high minimum temperature	25.6 C (78.1 F)	30 of 100 (Routine)
Jakutsk	Russia	Record low maximum temperature	8.0 C (46.4 F)	29 of 100 (Routine)
Achinsk	Russia	Record high minimum temperature	17.2 C (63.0 F)	29 of 100 (Routine)
Falun	Sweden	Record high maximum temperature	31.7 C (89.1 F)	29 of 100 (Routine)
Karlstad	Sweden	Record high maximum temperature	30.9 C (87.6 F)	29 of 100 (Routine)
Huntington	United States	Record low minimum temperature	6.7 C (44.1 F)	29 of 100 (Routine)
Petropavlovsk-Kamchatskij	Russia	Record high maximum temperature	24.0 C (75.2 F)	28 of 100 (Routine)
Klepinino	Ukraine	Record daily precipitation	73.1 mm (2.9 in)	28 of 100 (Routine)
Kayenta	United States	Record low minimum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Delphi 2 N	United States	Record low minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Doniphan	United States	Record daily precipitation	34.3 mm (1.4 in)	28 of 100 (Routine)
Lowville	United States	Record low maximum temperature	15.0 C (59.0 F)	28 of 100 (Routine)
Dillon	United States	Record high maximum temperature	38.3 C (100.9 F)	28 of 100 (Routine)
Saanich Dom Astro Obs	Canada	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Kristianstad	Sweden	Record high maximum temperature	29.7 C (85.5 F)	27 of 100 (Routine)
Gravette	United States	Record daily precipitation	44.2 mm (1.7 in)	27 of 100 (Routine)
Lead Hill	United States	Record daily precipitation	34.3 mm (1.4 in)	27 of 100 (Routine)
Petoskey	United States	Record low minimum temperature	1.7 C (35.1 F)	27 of 100 (Routine)
Paysandu	Uruguay	Record daily precipitation	66.0 mm (2.6 in)	27 of 100 (Routine)
Hedley	Canada	Record high maximum temperature	36.7 C (98.1 F)	26 of 100 (Routine)
Brockville	Canada	Record low maximum temperature	15.0 C (59.0 F)	26 of 100 (Routine)
Bogotol	Russia	Record daily precipitation	28.0 mm (1.1 in)	26 of 100 (Routine)
Petropavlovsk-Kamchatskij	Russia	Record high minimum temperature	9.9 C (49.8 F)	26 of 100 (Routine)
Orebro	Sweden	Record high maximum temperature	31.0 C (87.8 F)	26 of 100 (Routine)
Hampton	United States	Record daily precipitation	26.9 mm (1.1 in)	26 of 100 (Routine)
Sequim	United States	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
Vastervik	Sweden	Record high minimum temperature	17.1 C (62.8 F)	25 of 100 (Routine)
Paulding	United States	Record low maximum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Sidney 2 N	United States	Record low minimum temperature	4.4 C (39.9 F)	25 of 100 (Routine)

Counts by Type and Timescale

482 records

Records set or tied on 20 June 1970 by type: Highest daily maximum 151, Lowest daily maximum 50, Highest daily minimum 71, Lowest daily minimum 95, Heaviest daily rainfall 115.

Records on 20 June 1970 by type
Record type	Records
Highest daily maximum	151
Lowest daily maximum	50
Highest daily minimum	71
Lowest daily minimum	95
Heaviest daily rainfall	115
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 June 1970 by timescale: all-time 3, monthly 5, daily 474.

How Much Records Were Beaten By

358 broken records

Margins by which the 358 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.8. Ties are not counted.

Top 20 by Significance

20 June 1970

Top 20 records on 20 June 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 June 1970	Tomsk, RU	daily rain	61.3 mm (2.4 in)	41.7 mm (1.6 in)	57 years	66 of 100 (Major)
20 June 1970	Dickson, US	daily rain	95.3 mm (3.8 in)	54.2 mm (2.1 in)	19 years	52 of 100 (Notable)
20 June 1970	Tirumangalam, IN	daily rain	41.0 mm (1.6 in)	29.3 mm (1.2 in)	68 years	48 of 100 (Notable)
20 June 1970	Rudnya, RU	daily rain	38.8 mm (1.5 in)	27.6 mm (1.1 in)	27 years	48 of 100 (Notable)
20 June 1970	Jagersfontein, ZA	daily rain	31.0 mm (1.2 in)	27.4 mm (1.1 in)	44 years	48 of 100 (Notable)
20 June 1970	Perelyub, RU	daily rain	39.6 mm (1.6 in)	34.3 mm (1.4 in)	11 years	46 of 100 (Notable)
20 June 1970	Cekunda, RU	daily rain	88.4 mm (3.5 in)	64.8 mm (2.6 in)	8 years	45 of 100 (Notable)
20 June 1970	Privolskaya, RU	daily rain	26.0 mm (1.0 in)	19.1 mm (0.8 in)	27 years	44 of 100 (Notable)
20 June 1970	Karlshamn, SE	daily high max	31.5 C (88.7 F)	4.5 C (8.1 F)	81 years	44 of 100 (Notable)
20 June 1970	Uppsala_Aut, SE	daily high max	31.0 C (87.8 F)	1.5 C (2.7 F)	115 years	43 of 100 (Notable)
20 June 1970	Tiruvannamalai, IN	daily rain	42.0 mm (1.7 in)	20.4 mm (0.8 in)	68 years	40 of 100 (Notable)
20 June 1970	Avalon Pleasure Pier, US	daily low min	6.1 C (43.0 F)	5.0 C (9.0 F)	25 years	39 of 100 (Notable)
20 June 1970	Huntingdon, CA	daily low max	14.4 C (57.9 F)	0.6 C (1.1 F)	95 years	38 of 100 (Notable)
20 June 1970	Ariyalur, IN	daily rain	30.0 mm (1.2 in)	19.8 mm (0.8 in)	68 years	38 of 100 (Notable)
20 June 1970	Morgan 1 W, US	daily high min	26.1 C (79.0 F)	2.8 C (5.0 F)	60 years	36 of 100 (Notable)
20 June 1970	Columbus Junction, US	daily rain	68.1 mm (2.7 in)	40.2 mm (1.6 in)	5 years	36 of 100 (Notable)
20 June 1970	Cordele, US	all-time high min	28.3 C (82.9 F)	0.5 C (0.9 F)	22 years	35 of 100 (Notable)
20 June 1970	Sloan 3 S, US	daily high min	25.6 C (78.1 F)	2.8 C (5.0 F)	67 years	35 of 100 (Notable)
20 June 1970	Narasannapeta, IN	daily rain	78.0 mm (3.1 in)	16.5 mm (0.6 in)	67 years	34 of 100 (Routine)
20 June 1970	Arcade, US	daily low min	2.8 C (37.0 F)	3.3 C (5.9 F)	69 years	34 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

1800 to 1970

Records set or tied on this calendar date in each year from 1800 to 1970. 1970 had 482 records.

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

Records on 06-20 in each year
Year	Records
1800	1
1803	1
1813	1
1821	2
1838	1
1839	1
1841	1
1844	1
1846	2
1847	1
1850	1
1855	2
1857	1
1861	1
1865	2
1867	1
1869	2
1872	1
1873	1
1877	2
1879	1
1884	1
1886	2
1887	2
1891	2
1892	2
1893	2
1895	4
1896	3
1897	6
1898	3
1899	6
1900	4
1901	5
1902	7
1903	22
1904	13
1905	14
1906	18
1907	10
1908	30
1909	9
1910	27
1911	27
1912	17
1913	30
1914	53
1915	75
1916	83
1917	96
1918	54
1919	67
1920	40
1921	42
1922	61
1923	263
1924	204
1925	483
1926	228
1927	193
1928	199
1929	137
1930	143
1931	536
1932	182
1933	676
1934	301
1935	337
1936	529
1937	412
1938	326
1939	270
1940	469
1941	200
1942	757
1943	447
1944	315
1945	769
1946	849
1947	387
1948	554
1949	314
1950	328
1951	289
1952	318
1953	998
1954	414
1955	291
1956	484
1957	598
1958	603
1959	504
1960	451
1961	836
1962	173
1963	379
1964	729
1965	463
1966	441
1967	687
1968	559
1969	982
1970	482
1971	395
1972	660
1973	553
1974	743
1975	984
1976	899
1977	453
1978	480
1979	727
1980	922
1981	987
1982	801
1983	724
1984	686
1985	811
1986	732
1987	960
1988	1,222
1989	918
1990	899
1991	1,085
1992	1,049
1993	964
1994	925
1995	1,260
1996	1,123
1997	738
1998	1,627
1999	906
2000	1,328
2001	771
2002	955
2003	843
2004	1,071
2005	1,055
2006	820
2007	1,208
2008	669
2009	1,060
2010	865
2011	1,359
2012	1,045
2013	879
2014	381
2015	637
2016	1,352
2017	1,086
2018	635
2019	693
2020	590
2021	1,161
2022	972
2023	1,265
2024	783
2025	944
2026	757

Download the Data

Data for records on 1970-06-20: 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	310
10 to 20	35
20 to 30	5
30 to 40	3
40 to 50	3
50 to 60	1
60 to 70	1