Weather Records on 15 October 1970

642 weather records were set or tied worldwide on 15 October 1970. Highest significance: Mosquero 1 NE, US.

Key Facts for 15 October 1970

On 15 October 1970, 642 weather records were set or tied at long-record stations worldwide.
208 were record highs and 303 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 631 daily.
Mosquero 1 NE set a monthly record daily snowfall of 17.8 cm (7.0 in) on 15 October 1970.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 459 records.

Record Map

642 stations

642 station records on 15 October 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 October 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mosquero 1 NE	United States	Record daily snowfall	17.8 cm (7.0 in)	52 of 100 (Notable)
Manassa	United States	Record daily snowfall	8.9 cm (3.5 in)	47 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low minimum temperature	16.7 C (62.1 F)	44 of 100 (Notable)
Woodstock	Canada	Record daily precipitation	32.5 mm (1.3 in)	40 of 100 (Notable)
Hogsback (Bos)	South Africa	Record daily precipitation	37.0 mm (1.5 in)	40 of 100 (Notable)
Albany	United States	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Nabawa	Australia	Record high minimum temperature	19.5 C (67.1 F)	38 of 100 (Notable)
Nilakottai	India	Record daily precipitation	62.0 mm (2.4 in)	37 of 100 (Notable)
Eastport	United States	Record high minimum temperature	13.3 C (55.9 F)	37 of 100 (Notable)
Tres Piedras	United States	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Foxpark	United States	Record low minimum temperature	-20.6 C (-5.1 F)	36 of 100 (Notable)
Nerchinskij Zavod	Russia	Record low minimum temperature	-16.3 C (2.7 F)	35 of 100 (Notable)
Nashua 2 NNW	United States	Record high minimum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Corona	United States	Record snow depth	12.7 cm (5.0 in)	35 of 100 (Notable)
Clarington Lock 14	United States	Record daily precipitation	28.4 mm (1.1 in)	34 of 100 (Routine)
Jaen (Instituto)	Spain	Record low minimum temperature	1.0 C (33.8 F)	33 of 100 (Routine)
Fitchburg 4 SE	United States	Record high minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
New Tripoli 4 E	United States	Record daily precipitation	74.2 mm (2.9 in)	33 of 100 (Routine)
Tamaqua 4 N Dam	United States	Record daily precipitation	41.1 mm (1.6 in)	33 of 100 (Routine)
Bayfield 6 N	United States	Record low minimum temperature	-2.8 C (27.0 F)	33 of 100 (Routine)
Kangayam	India	Record daily precipitation	83.2 mm (3.3 in)	32 of 100 (Routine)
Mbarara	Uganda	Record daily precipitation	43.0 mm (1.7 in)	32 of 100 (Routine)
Newkirk	United States	Record daily snowfall	7.6 cm (3.0 in)	32 of 100 (Routine)
Fillmore	United States	Record low minimum temperature	-7.8 C (18.0 F)	32 of 100 (Routine)
Borzja	Russia	Record low minimum temperature	-18.8 C (-1.8 F)	31 of 100 (Routine)
Odesa	Ukraine	Record low maximum temperature	6.3 C (43.3 F)	31 of 100 (Routine)
Nappan Cda	Canada	Record high minimum temperature	15.6 C (60.1 F)	30 of 100 (Routine)
Paramakudi	India	Record daily precipitation	86.0 mm (3.4 in)	30 of 100 (Routine)
Cidra 1 E	Puerto Rico [United States]	Record high minimum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Valmora	United States	Record daily snowfall	5.1 cm (2.0 in)	30 of 100 (Routine)
Taloga	United States	Record low maximum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Palmerton	United States	Record daily precipitation	91.7 mm (3.6 in)	30 of 100 (Routine)
Gann Valley 4NW	United States	Record low minimum temperature	-7.2 C (19.0 F)	30 of 100 (Routine)
Morawa	Australia	Record high minimum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Narrogin	Australia	Record high minimum temperature	14.7 C (58.5 F)	29 of 100 (Routine)
Bourke Post Office	Australia	Record low minimum temperature	5.6 C (42.1 F)	29 of 100 (Routine)
Monte Vista 2W	United States	Record daily snowfall	12.7 cm (5.0 in)	29 of 100 (Routine)
Ft Duchesne	United States	Record low minimum temperature	-8.9 C (16.0 F)	29 of 100 (Routine)
Buffalo	United States	Record low minimum temperature	-9.4 C (15.1 F)	29 of 100 (Routine)
Nhill	Australia	Record low minimum temperature	-2.1 C (28.2 F)	28 of 100 (Routine)
Marungapuri	India	Record daily precipitation	92.0 mm (3.6 in)	28 of 100 (Routine)
Branson	United States	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Fleming	United States	Record high maximum temperature	31.1 C (88.0 F)	28 of 100 (Routine)
Eagle Harbor	United States	Record low minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Halsey 2 W	United States	Record low minimum temperature	-8.3 C (17.1 F)	28 of 100 (Routine)
Winthrop 1 WSW	United States	Record low minimum temperature	-8.9 C (16.0 F)	28 of 100 (Routine)
Perth Regional Office	Australia	Record high minimum temperature	19.5 C (67.1 F)	27 of 100 (Routine)
Muddebihal	India	Record daily precipitation	35.6 mm (1.4 in)	27 of 100 (Routine)
Vedasandur	India	Record daily precipitation	87.0 mm (3.4 in)	27 of 100 (Routine)
Nikolaev	Ukraine	Record low maximum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Laurel 3 W	United States	Record high minimum temperature	18.3 C (64.9 F)	27 of 100 (Routine)
Gothenburg	United States	Record low minimum temperature	-4.4 C (24.1 F)	27 of 100 (Routine)
Clover Valley	United States	Record low minimum temperature	-10.0 C (14.0 F)	27 of 100 (Routine)
Hooker	United States	Record low maximum temperature	8.3 C (46.9 F)	27 of 100 (Routine)
Lehighton 1SSW	United States	Record daily precipitation	72.4 mm (2.9 in)	27 of 100 (Routine)
Union 3 SSE	United States	Record high minimum temperature	15.6 C (60.1 F)	27 of 100 (Routine)
Baddeck	Canada	Record high maximum temperature	20.0 C (68.0 F)	26 of 100 (Routine)
Dadeville	United States	Record daily precipitation	41.7 mm (1.6 in)	26 of 100 (Routine)
Kalispell Glacier AP	United States	Record low minimum temperature	-8.3 C (17.1 F)	26 of 100 (Routine)
Franklin	United States	Record high minimum temperature	14.4 C (57.9 F)	26 of 100 (Routine)

Counts by Type and Timescale

642 records

Records set or tied on 15 October 1970 by type: Highest daily maximum 36, Lowest daily maximum 116, Highest daily minimum 172, Lowest daily minimum 187, Heaviest daily rainfall 102, Heaviest daily snowfall 24, Deepest snow cover 5.

Records on 15 October 1970 by type
Record type	Records
Highest daily maximum	36
Lowest daily maximum	116
Highest daily minimum	172
Lowest daily minimum	187
Heaviest daily rainfall	102
Heaviest daily snowfall	24
Deepest snow cover	5

Records on 15 October 1970 by timescale: all-time 0, monthly 11, daily 631.

How Much Records Were Beaten By

497 broken records

Margins by which the 497 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

15 October 1970

Top 20 records on 15 October 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 1970	Mosquero 1 NE, US	monthly snowfall	17.8 cm (7.0 in)	12.7 cm (5.0 in)	43 years	52 of 100 (Notable)
15 October 1970	Manassa, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	76 years	47 of 100 (Notable)
15 October 1970	Ponce 4 E, PR	daily low min	16.7 C (62.1 F)	3.3 C (5.9 F)	36 years	44 of 100 (Notable)
15 October 1970	Woodstock, CA	daily rain	32.5 mm (1.3 in)	20.3 mm (0.8 in)	47 years	40 of 100 (Notable)
15 October 1970	Hogsback (Bos), ZA	daily rain	37.0 mm (1.5 in)	14.1 mm (0.6 in)	78 years	40 of 100 (Notable)
15 October 1970	Albany, US	daily rain	45.7 mm (1.8 in)	17.8 mm (0.7 in)	55 years	39 of 100 (Notable)
15 October 1970	Nabawa, AU	daily high min	19.5 C (67.1 F)	5.3 C (9.5 F)	52 years	38 of 100 (Notable)
15 October 1970	Nilakottai, IN	daily rain	62.0 mm (2.4 in)	23.9 mm (0.9 in)	51 years	37 of 100 (Notable)
15 October 1970	Eastport, US	daily high min	13.3 C (55.9 F)	2.2 C (4.0 F)	76 years	37 of 100 (Notable)
15 October 1970	Tres Piedras, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	64 years	36 of 100 (Notable)
15 October 1970	Foxpark, US	daily low min	-20.6 C (-5.1 F)	7.3 C (13.1 F)	47 years	36 of 100 (Notable)
15 October 1970	Nerchinskij Zavod, RU	daily low min	-16.3 C (2.7 F)	2.9 C (5.2 F)	75 years	35 of 100 (Notable)
15 October 1970	Nashua 2 NNW, US	daily high min	16.1 C (61.0 F)	3.3 C (5.9 F)	70 years	35 of 100 (Notable)
15 October 1970	Corona, US	monthly snow depth	12.7 cm (5.0 in)	2.5 cm (1.0 in)	59 years	35 of 100 (Notable)
15 October 1970	Clarington Lock 14, US	daily rain	28.4 mm (1.1 in)	13.4 mm (0.5 in)	47 years	34 of 100 (Routine)
15 October 1970	Jaen (Instituto), ES	monthly low min	1.0 C (33.8 F)	2.4 C (4.3 F)	38 years	33 of 100 (Routine)
15 October 1970	Fitchburg 4 SE, US	daily high min	16.7 C (62.1 F)	2.8 C (5.0 F)	70 years	33 of 100 (Routine)
15 October 1970	New Tripoli 4 E, US	monthly rain	74.2 mm (2.9 in)	14.3 mm (0.6 in)	26 years	33 of 100 (Routine)
15 October 1970	Tamaqua 4 N Dam, US	daily rain	41.1 mm (1.6 in)	29.4 mm (1.2 in)	27 years	33 of 100 (Routine)
15 October 1970	Bayfield 6 N, US	daily low min	-2.8 C (27.0 F)	1.7 C (3.1 F)	76 years	33 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

1794 to 1970

Records set or tied on this calendar date in each year from 1794 to 1970. 1970 had 642 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 1970-10-15: 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	465
20 to 40	21
40 to 60	2
60 to 80	5
80 to 100	1
100 to 120	2
120 to 140	1