Weather Records on 30 June 1970

730 weather records were set or tied worldwide on 30 June 1970. Highest significance: Stettler, CA.

Key Facts for 30 June 1970

On 30 June 1970, 730 weather records were set or tied at long-record stations worldwide.
299 were record highs and 248 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 52 monthly and 674 daily.
Stettler set an all-time record daily precipitation of 165.1 mm (6.5 in) on 30 June 1970.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 448 records.

Record Map

730 stations

730 station records on 30 June 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Stettler	Canada	Record daily precipitation	165.1 mm (6.5 in)	72 of 100 (Major)
Nakodar	India	Record daily precipitation	75.0 mm (3.0 in)	61 of 100 (Major)
Ranfurly	Canada	Record daily precipitation	65.0 mm (2.6 in)	60 of 100 (Major)
Phillaur	India	Record daily precipitation	139.7 mm (5.5 in)	58 of 100 (Notable)
Red Deer	Canada	Record daily precipitation	72.4 mm (2.9 in)	54 of 100 (Notable)
Mayhill Rs	United States	Record daily precipitation	53.1 mm (2.1 in)	51 of 100 (Notable)
Kropotkin	Russia	Record daily precipitation	54.1 mm (2.1 in)	49 of 100 (Notable)
Batala	India	Record daily precipitation	84.0 mm (3.3 in)	47 of 100 (Notable)
Ludhiana	India	Record daily precipitation	76.0 mm (3.0 in)	47 of 100 (Notable)
Inwood 2 SW	United States	Record high minimum temperature	27.8 C (82.0 F)	47 of 100 (Notable)
Axel	Netherlands	Record daily precipitation	35.4 mm (1.4 in)	46 of 100 (Notable)
Sonnblick	Austria	Record daily precipitation	30.6 mm (1.2 in)	45 of 100 (Notable)
Edmonton City Centre A	Canada	Record daily precipitation	47.2 mm (1.9 in)	45 of 100 (Notable)
Wetaskiwin	Canada	Record daily precipitation	77.7 mm (3.1 in)	45 of 100 (Notable)
Red Deer A	Canada	Record daily precipitation	99.6 mm (3.9 in)	45 of 100 (Notable)
Ft Stanton	United States	Record daily precipitation	41.9 mm (1.6 in)	42 of 100 (Notable)
Whitesand Dam	Canada	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Divnoe	Russia	Record daily precipitation	33.1 mm (1.3 in)	41 of 100 (Notable)
Salto Do Itarare	Brazil	Record daily precipitation	50.4 mm (2.0 in)	39 of 100 (Notable)
Tabl.Mtn Molteno Rsv	South Africa	Record daily precipitation	41.0 mm (1.6 in)	39 of 100 (Notable)
Hughenden	Canada	Record daily precipitation	50.5 mm (2.0 in)	38 of 100 (Notable)
Lloydminster	Canada	Record daily precipitation	34.5 mm (1.4 in)	38 of 100 (Notable)
Tirupoondi	India	Record daily precipitation	60.6 mm (2.4 in)	38 of 100 (Notable)
Geneseo	United States	Record high maximum temperature	37.2 C (99.0 F)	38 of 100 (Notable)
Lacombe Cda	Canada	Record daily precipitation	70.4 mm (2.8 in)	37 of 100 (Notable)
Madison	United States	Record low minimum temperature	16.1 C (61.0 F)	37 of 100 (Notable)
Rabbit Lake	Canada	Record daily precipitation	43.4 mm (1.7 in)	36 of 100 (Notable)
St Walburg	Canada	Record daily precipitation	46.7 mm (1.8 in)	36 of 100 (Notable)
Crete 4ESE	United States	Record high minimum temperature	30.0 C (86.0 F)	36 of 100 (Notable)
Tomazina	Brazil	Record daily precipitation	64.0 mm (2.5 in)	35 of 100 (Notable)
Gopalpur	India	Record daily precipitation	88.4 mm (3.5 in)	35 of 100 (Notable)
Iron River	Canada	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Samrala	India	Record daily precipitation	100.0 mm (3.9 in)	34 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	40.4 mm (1.6 in)	34 of 100 (Routine)
Lustre 4 NNW	United States	Record daily precipitation	39.6 mm (1.6 in)	34 of 100 (Routine)
Chindwara	India	Record daily precipitation	84.4 mm (3.3 in)	33 of 100 (Routine)
Bakani (Rallai)	India	Record daily precipitation	82.5 mm (3.2 in)	33 of 100 (Routine)
Horton	United States	Record high minimum temperature	27.2 C (81.0 F)	33 of 100 (Routine)
Kingstree	United States	Record low minimum temperature	9.4 C (48.9 F)	33 of 100 (Routine)
Barao de Antonina	Brazil	Record daily precipitation	42.8 mm (1.7 in)	32 of 100 (Routine)
Sorve	Estonia	Record daily precipitation	29.5 mm (1.2 in)	32 of 100 (Routine)
Patiala Obsy	India	Record daily precipitation	66.1 mm (2.6 in)	32 of 100 (Routine)
Tobolsk	Russia	Record low minimum temperature	6.3 C (43.3 F)	32 of 100 (Routine)
Geneseo	United States	Record high minimum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Harrisonville	United States	Record high minimum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
West Yellowstone	United States	Record daily snowfall	7.6 cm (3.0 in)	32 of 100 (Routine)
Arcade	United States	Record high minimum temperature	20.6 C (69.1 F)	32 of 100 (Routine)
Fullerton 1 ESE	United States	Record high minimum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Usina Sao Jose	Brazil	Record daily precipitation	42.0 mm (1.7 in)	31 of 100 (Routine)
Simao Dias (Anapolis)	Brazil	Record daily precipitation	35.4 mm (1.4 in)	31 of 100 (Routine)
Ionia 2SSW	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	10.8 C (51.4 F)	30 of 100 (Routine)
Praia Grande (Parana)	Brazil	Record daily precipitation	42.5 mm (1.7 in)	30 of 100 (Routine)
Ekaterinburg	Russia	Record low minimum temperature	4.0 C (39.2 F)	30 of 100 (Routine)
Clarinda	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Sioux Ctr 2 SE	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Hissar	India	Record daily precipitation	75.1 mm (3.0 in)	29 of 100 (Routine)
Karasjok	Norway	Record high minimum temperature	13.8 C (56.8 F)	29 of 100 (Routine)
Ellendale	United States	Record high minimum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Manitowoc	United States	Record high minimum temperature	23.9 C (75.0 F)	29 of 100 (Routine)

Counts by Type and Timescale

730 records

Records set or tied on 30 June 1970 by type: Highest daily maximum 49, Lowest daily maximum 128, Highest daily minimum 250, Lowest daily minimum 120, Heaviest daily rainfall 181, Heaviest daily snowfall 2.

Records on 30 June 1970 by type
Record type	Records
Highest daily maximum	49
Lowest daily maximum	128
Highest daily minimum	250
Lowest daily minimum	120
Heaviest daily rainfall	181
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 30 June 1970 by timescale: all-time 4, monthly 52, daily 674.

How Much Records Were Beaten By

540 broken records

Margins by which the 540 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.3. Ties are not counted.

Top 20 by Significance

30 June 1970

Top 20 records on 30 June 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1970	Stettler, CA	all-time rain	165.1 mm (6.5 in)	80.3 mm (3.2 in)	26 years	72 of 100 (Major)
30 June 1970	Nakodar, IN	daily rain	75.0 mm (3.0 in)	49.6 mm (2.0 in)	52 years	61 of 100 (Major)
30 June 1970	Ranfurly, CA	daily rain	65.0 mm (2.6 in)	30.7 mm (1.2 in)	53 years	60 of 100 (Major)
30 June 1970	Phillaur, IN	monthly rain	139.7 mm (5.5 in)	66.7 mm (2.6 in)	4 years	58 of 100 (Notable)
30 June 1970	Red Deer, CA	daily rain	72.4 mm (2.9 in)	33.0 mm (1.3 in)	41 years	54 of 100 (Notable)
30 June 1970	Mayhill Rs, US	daily rain	53.1 mm (2.1 in)	32.3 mm (1.3 in)	27 years	51 of 100 (Notable)
30 June 1970	Kropotkin, RU	daily rain	54.1 mm (2.1 in)	45.9 mm (1.8 in)	20 years	49 of 100 (Notable)
30 June 1970	Batala, IN	monthly rain	84.0 mm (3.3 in)	19.2 mm (0.8 in)	56 years	47 of 100 (Notable)
30 June 1970	Ludhiana, IN	daily rain	76.0 mm (3.0 in)	31.5 mm (1.2 in)	60 years	47 of 100 (Notable)
30 June 1970	Inwood 2 SW, US	all-time high min	27.8 C (82.0 F)	1.7 C (3.1 F)	61 years	47 of 100 (Notable)
30 June 1970	Axel, NL	daily rain	35.4 mm (1.4 in)	19.9 mm (0.8 in)	21 years	46 of 100 (Notable)
30 June 1970	Sonnblick, AT	daily rain	30.6 mm (1.2 in)	15.1 mm (0.6 in)	51 years	45 of 100 (Notable)
30 June 1970	Edmonton City Centre A, CA	daily rain	47.2 mm (1.9 in)	36.0 mm (1.4 in)	8 years	45 of 100 (Notable)
30 June 1970	Wetaskiwin, CA	all-time rain	77.7 mm (3.1 in)	7.6 mm (0.30 in)	39 years	45 of 100 (Notable)
30 June 1970	Red Deer A, CA	monthly rain	99.6 mm (3.9 in)	24.4 mm (1.0 in)	0 years	45 of 100 (Notable)
30 June 1970	Ft Stanton, US	daily rain	41.9 mm (1.6 in)	24.9 mm (1.0 in)	17 years	42 of 100 (Notable)
30 June 1970	Whitesand Dam, CA	daily rain	35.6 mm (1.4 in)	21.6 mm (0.9 in)	7 years	41 of 100 (Notable)
30 June 1970	Divnoe, RU	daily rain	33.1 mm (1.3 in)	26.3 mm (1.0 in)	33 years	41 of 100 (Notable)
30 June 1970	Salto Do Itarare, BR	daily rain	50.4 mm (2.0 in)	37.9 mm (1.5 in)	12 years	39 of 100 (Notable)
30 June 1970	Tabl.Mtn Molteno Rsv, ZA	daily rain	41.0 mm (1.6 in)	17.4 mm (0.7 in)	56 years	39 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

1826 to 1970

Records set or tied on this calendar date in each year from 1826 to 1970. 1970 had 730 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 1970-06-30: 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).

Margin	Records
0 to 20	507
20 to 40	28
40 to 60	2
60 to 80	2
80 to 100	1