Weather Records on 17 July 1970

486 weather records were set or tied worldwide on 17 July 1970. Highest significance: Rapur, IN.

Key Facts for 17 July 1970

On 17 July 1970, 486 weather records were set or tied at long-record stations worldwide.
121 were record highs and 180 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 12 monthly and 471 daily.
Rapur set a daily record precipitation of 49.5 mm (1.9 in) on 17 July 1970.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 445 records.

Record Map

486 stations

486 station records on 17 July 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 July 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rapur	India	Record daily precipitation	49.5 mm (1.9 in)	52 of 100 (Notable)
Highlands	South Africa	Record daily precipitation	41.0 mm (1.6 in)	51 of 100 (Notable)
Cimarron	United States	Record daily precipitation	71.1 mm (2.8 in)	44 of 100 (Notable)
Hatchville	United States	Record daily precipitation	65.8 mm (2.6 in)	44 of 100 (Notable)
Kaallaagte	South Africa	Record daily precipitation	32.5 mm (1.3 in)	43 of 100 (Notable)
Kirensk	Russia	Record high minimum temperature	20.3 C (68.5 F)	42 of 100 (Notable)
Biccavole	India	Record daily precipitation	100.0 mm (3.9 in)	40 of 100 (Notable)
Eagle Pass 3N	United States	Record low maximum temperature	28.9 C (84.0 F)	38 of 100 (Notable)
Freiburg	Germany	Record low maximum temperature	15.2 C (59.4 F)	37 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low minimum temperature	9.5 C (49.1 F)	37 of 100 (Notable)
Marungapuri	India	Record daily precipitation	59.0 mm (2.3 in)	37 of 100 (Notable)
Bratoljubovka	Russia	Record daily precipitation	66.4 mm (2.6 in)	37 of 100 (Notable)
Hohenpeissenberg	Germany	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Leslie (Mun)	South Africa	Record daily precipitation	26.0 mm (1.0 in)	36 of 100 (Notable)
Sonnblick	Austria	Record low maximum temperature	-6.5 C (20.3 F)	33 of 100 (Routine)
Rockville 1 NE	United States	Record low minimum temperature	12.2 C (54.0 F)	33 of 100 (Routine)
Marathon	United States	Record low maximum temperature	26.7 C (80.1 F)	33 of 100 (Routine)
Bjelasnica	Bosnia and Herzegovina	Record low minimum temperature	-1.0 C (30.2 F)	32 of 100 (Routine)
Arad	Romania	Record low maximum temperature	19.0 C (66.2 F)	32 of 100 (Routine)
Cekunda	Russia	Record daily precipitation	89.4 mm (3.5 in)	32 of 100 (Routine)
Indian Head Cda	Canada	Record daily precipitation	29.2 mm (1.1 in)	31 of 100 (Routine)
Pecs Pogany	Hungary	Record low maximum temperature	12.7 C (54.9 F)	31 of 100 (Routine)
Zavitaja	Russia	Record daily precipitation	92.0 mm (3.6 in)	31 of 100 (Routine)
Ft Gaines	United States	Record daily precipitation	50.8 mm (2.0 in)	31 of 100 (Routine)
Viesca (Smn)	Mexico	Record low maximum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Magdalena	United States	Record low minimum temperature	6.1 C (43.0 F)	30 of 100 (Routine)
Wien	Austria	Record low maximum temperature	14.0 C (57.2 F)	29 of 100 (Routine)
Hohenpeissenberg	Germany	Record low maximum temperature	6.5 C (43.7 F)	29 of 100 (Routine)
Elsinore	United States	Record high minimum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Middleboro	United States	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Browning	United States	Record high minimum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Statesville 2 NNE	United States	Record low minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Elk City 4 W	United States	Record daily precipitation	34.8 mm (1.4 in)	29 of 100 (Routine)
Bjelasnica	Bosnia and Herzegovina	Record low maximum temperature	4.4 C (39.9 F)	28 of 100 (Routine)
Bratsk	Russia	Record daily precipitation	27.5 mm (1.1 in)	28 of 100 (Routine)
Manchester	United States	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	11.4 C (52.5 F)	27 of 100 (Routine)
Piata (Anchieta)	Brazil	Record daily precipitation	26.5 mm (1.0 in)	27 of 100 (Routine)
Satyavedu	India	Record daily precipitation	38.4 mm (1.5 in)	27 of 100 (Routine)
Uttiramerur	India	Record daily precipitation	37.0 mm (1.5 in)	27 of 100 (Routine)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	23.9 C (75.0 F)	27 of 100 (Routine)
Witbankfontein	South Africa	Record daily precipitation	32.5 mm (1.3 in)	27 of 100 (Routine)
San Benito	United States	Record low maximum temperature	28.3 C (82.9 F)	27 of 100 (Routine)
Ankola	India	Record daily precipitation	197.0 mm (7.8 in)	26 of 100 (Routine)
Port Blair	India	Record daily precipitation	112.2 mm (4.4 in)	26 of 100 (Routine)
Iguala (Smn)	Mexico	Record high minimum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Tg Jiu	Romania	Record daily precipitation	58.2 mm (2.3 in)	26 of 100 (Routine)
Dalnerechensk	Russia	Record daily precipitation	39.5 mm (1.6 in)	26 of 100 (Routine)
Tullahoma	United States	Record low minimum temperature	10.6 C (51.1 F)	26 of 100 (Routine)
Rio Grande City	United States	Record low maximum temperature	28.9 C (84.0 F)	26 of 100 (Routine)
Sriperumbudur	India	Record daily precipitation	27.0 mm (1.1 in)	25 of 100 (Routine)
Coimbra	Portugal	Record high minimum temperature	19.4 C (66.9 F)	25 of 100 (Routine)
Ilcir	Russia	Record daily precipitation	44.0 mm (1.7 in)	25 of 100 (Routine)
Leuctra	South Africa	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Scottsboro	United States	Record low minimum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Union Springs 9 S	United States	Record daily precipitation	51.8 mm (2.0 in)	25 of 100 (Routine)
Vestervig	Denmark	Record low minimum temperature	7.2 C (45.0 F)	24 of 100 (Routine)
Brocken	Germany	Record low maximum temperature	6.9 C (44.4 F)	24 of 100 (Routine)
Lampazos (Smn)	Mexico	Record low maximum temperature	30.6 C (87.1 F)	24 of 100 (Routine)
Kirov	Russia	Record high minimum temperature	19.9 C (67.8 F)	24 of 100 (Routine)

Counts by Type and Timescale

486 records

Records set or tied on 17 July 1970 by type: Highest daily maximum 47, Lowest daily maximum 95, Highest daily minimum 74, Lowest daily minimum 85, Heaviest daily rainfall 185.

Records on 17 July 1970 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	95
Highest daily minimum	74
Lowest daily minimum	85
Heaviest daily rainfall	185
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 July 1970 by timescale: all-time 3, monthly 12, daily 471.

How Much Records Were Beaten By

379 broken records

Margins by which the 379 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 52.3. Ties are not counted.

Top 20 by Significance

17 July 1970

Top 20 records on 17 July 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1970	Rapur, IN	daily rain	49.5 mm (1.9 in)	30.2 mm (1.2 in)	64 years	52 of 100 (Notable)
17 July 1970	Highlands, ZA	daily rain	41.0 mm (1.6 in)	41.0 mm (1.6 in)	43 years	51 of 100 (Notable)
17 July 1970	Cimarron, US	daily rain	71.1 mm (2.8 in)	39.3 mm (1.5 in)	49 years	44 of 100 (Notable)
17 July 1970	Hatchville, US	daily rain	65.8 mm (2.6 in)	52.3 mm (2.1 in)	3 years	44 of 100 (Notable)
17 July 1970	Kaallaagte, ZA	daily rain	32.5 mm (1.3 in)	31.0 mm (1.2 in)	11 years	43 of 100 (Notable)
17 July 1970	Kirensk, RU	all-time high min	20.3 C (68.5 F)	0.4 C (0.7 F)	47 years	42 of 100 (Notable)
17 July 1970	Biccavole, IN	daily rain	100.0 mm (3.9 in)	42.8 mm (1.7 in)	43 years	40 of 100 (Notable)
17 July 1970	Eagle Pass 3N, US	daily low max	28.9 C (84.0 F)	3.3 C (5.9 F)	64 years	38 of 100 (Notable)
17 July 1970	Freiburg, DE	daily low max	15.2 C (59.4 F)	1.3 C (2.3 F)	86 years	37 of 100 (Notable)
17 July 1970	Leipzig-Holzhausen, DE	daily low min	9.5 C (49.1 F)	0.5 C (0.9 F)	86 years	37 of 100 (Notable)
17 July 1970	Marungapuri, IN	daily rain	59.0 mm (2.3 in)	52.0 mm (2.0 in)	5 years	37 of 100 (Notable)
17 July 1970	Bratoljubovka, RU	daily rain	66.4 mm (2.6 in)	36.6 mm (1.4 in)	16 years	37 of 100 (Notable)
17 July 1970	Hohenpeissenberg, DE	daily low min	4.4 C (39.9 F)	0.5 C (0.9 F)	86 years	36 of 100 (Notable)
17 July 1970	Leslie (Mun), ZA	daily rain	26.0 mm (1.0 in)	26.0 mm (1.0 in)	56 years	36 of 100 (Notable)
17 July 1970	Sonnblick, AT	daily low max	-6.5 C (20.3 F)	3.5 C (6.3 F)	56 years	33 of 100 (Routine)
17 July 1970	Rockville 1 NE, US	daily low min	12.2 C (54.0 F)	2.8 C (5.0 F)	61 years	33 of 100 (Routine)
17 July 1970	Marathon, US	daily low max	26.7 C (80.1 F)	1.1 C (2.0 F)	73 years	33 of 100 (Routine)
17 July 1970	Bjelasnica, BA	daily low min	-1.0 C (30.2 F)	2.3 C (4.1 F)	61 years	32 of 100 (Routine)
17 July 1970	Arad, RO	daily low max	19.0 C (66.2 F)	3.0 C (5.4 F)	61 years	32 of 100 (Routine)
17 July 1970	Cekunda, RU	monthly rain	89.4 mm (3.5 in)	15.1 mm (0.6 in)	20 years	32 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

1793 to 1970

Records set or tied on this calendar date in each year from 1793 to 1970. 1970 had 486 records.

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

Records on 07-17 in each year
Year	Records
1793	1
1798	1
1799	1
1801	2
1802	1
1821	1
1827	1
1833	1
1840	1
1842	1
1845	2
1852	1
1862	1
1863	1
1865	2
1866	1
1871	1
1874	1
1875	2
1877	1
1880	1
1881	2
1882	2
1883	5
1884	1
1887	1
1888	2
1889	4
1890	4
1892	5
1893	3
1894	4
1895	1
1896	3
1897	1
1898	2
1899	4
1900	4
1901	6
1902	6
1903	13
1904	4
1905	9
1906	13
1907	12
1908	32
1909	16
1910	8
1911	52
1912	13
1913	26
1914	67
1915	71
1916	27
1917	62
1918	41
1919	45
1920	50
1921	120
1922	206
1923	105
1924	165
1925	275
1926	251
1927	118
1928	116
1929	154
1930	366
1931	492
1932	293
1933	216
1934	438
1935	245
1936	815
1937	313
1938	303
1939	540
1940	319
1941	386
1942	522
1943	321
1944	236
1945	681
1946	523
1947	505
1948	278
1949	405
1950	645
1951	356
1952	772
1953	557
1954	517
1955	512
1956	608
1957	298
1958	693
1959	631
1960	324
1961	408
1962	421
1963	223
1964	481
1965	753
1966	454
1967	965
1968	707
1969	741
1970	486
1971	790
1972	634
1973	680
1974	691
1975	775
1976	1,041
1977	764
1978	794
1979	642
1980	1,137
1981	628
1982	850
1983	1,120
1984	875
1985	483
1986	1,214
1987	1,388
1988	1,239
1989	1,289
1990	953
1991	763
1992	1,055
1993	956
1994	631
1995	917
1996	911
1997	816
1998	1,031
1999	925
2000	1,166
2001	916
2002	995
2003	1,396
2004	908
2005	1,184
2006	1,509
2007	1,218
2008	508
2009	1,218
2010	965
2011	1,101
2012	934
2013	819
2014	1,456
2015	831
2016	679
2017	398
2018	750
2019	477
2020	515
2021	625
2022	791
2023	1,060
2024	814
2025	966
2026	860

Download the Data

Data for records on 1970-07-17: 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	335
10 to 20	27
20 to 30	9
30 to 40	4
40 to 50	2
50 to 60	2