Weather Records on 9 October 1970

1,805 weather records were set or tied worldwide on 9 October 1970. Highest significance: Grinnell 3 SW, US.

Key Facts for 9 October 1970

On 9 October 1970, 1,805 weather records were set or tied at long-record stations worldwide.
231 were record highs and 826 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 93 monthly and 1,709 daily.
Grinnell 3 SW set a monthly record daily precipitation of 105.4 mm (4.1 in) on 9 October 1970.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 459 records.

Record Map

1,805 stations

1,805 station records on 9 October 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 October 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Grinnell 3 SW	United States	Record daily precipitation	105.4 mm (4.1 in)	70 of 100 (Major)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	431.8 mm (17.0 in)	69 of 100 (Major)
Juncos 1 SE	Puerto Rico [United States]	Record daily precipitation	276.9 mm (10.9 in)	68 of 100 (Major)
Cresco 1 NE	United States	Record daily precipitation	75.2 mm (3.0 in)	66 of 100 (Major)
Lucerne	United States	Record daily precipitation	106.7 mm (4.2 in)	64 of 100 (Major)
Verwoedburg-Mu"Lytteltn"	South Africa	Record daily precipitation	81.2 mm (3.2 in)	61 of 100 (Major)
Hickman	United States	Record daily precipitation	53.3 mm (2.1 in)	61 of 100 (Major)
Araripe	Brazil	Record daily precipitation	82.2 mm (3.2 in)	59 of 100 (Notable)
Kenora A	Canada	Record daily snowfall	26.2 cm (10.3 in)	59 of 100 (Notable)
Greensburg	United States	Record daily snowfall	27.9 cm (11.0 in)	59 of 100 (Notable)
Spearman	United States	Record daily snowfall	20.3 cm (8.0 in)	59 of 100 (Notable)
New Hampton	United States	Record daily precipitation	106.7 mm (4.2 in)	57 of 100 (Notable)
Toledo 3N	United States	Record daily precipitation	73.7 mm (2.9 in)	57 of 100 (Notable)
Harrison	United States	Record snow depth	20.3 cm (8.0 in)	57 of 100 (Notable)
Wakefield 3NW	United States	Record daily snowfall	14.0 cm (5.5 in)	57 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	95.3 mm (3.8 in)	56 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record daily snowfall	15.2 cm (6.0 in)	56 of 100 (Notable)
Clear Lake	United States	Record daily snowfall	15.2 cm (6.0 in)	56 of 100 (Notable)
Le Mars	United States	Record daily snowfall	12.7 cm (5.0 in)	54 of 100 (Notable)
Coldwater	United States	Record daily snowfall	20.3 cm (8.0 in)	54 of 100 (Notable)
Fairmont	United States	Record daily snowfall	12.7 cm (5.0 in)	54 of 100 (Notable)
Monticello Muni AP	United States	Record daily precipitation	66.0 mm (2.6 in)	54 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	168.9 mm (6.6 in)	53 of 100 (Notable)
Hawarden	United States	Record daily snowfall	22.9 cm (9.0 in)	53 of 100 (Notable)
Pella 1S	United States	Record daily precipitation	57.7 mm (2.3 in)	53 of 100 (Notable)
Fremont	United States	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)
Albia 3 NNE	United States	Record daily precipitation	91.4 mm (3.6 in)	52 of 100 (Notable)
Sioux Ctr 2 SE	United States	Record daily snowfall	12.7 cm (5.0 in)	52 of 100 (Notable)
Fords Ferry Dam 5O	United States	Record daily precipitation	65.8 mm (2.6 in)	52 of 100 (Notable)
Fajardo	Puerto Rico [United States]	Record daily precipitation	237.5 mm (9.4 in)	51 of 100 (Notable)
Inwood 2 SW	United States	Record daily snowfall	12.7 cm (5.0 in)	51 of 100 (Notable)
Abilene	United States	Record daily precipitation	37.8 mm (1.5 in)	51 of 100 (Notable)
Bradshaw	United States	Record daily snowfall	12.7 cm (5.0 in)	51 of 100 (Notable)
Bruning	United States	Record daily snowfall	11.4 cm (4.5 in)	51 of 100 (Notable)
Inwood 2 SW	United States	Record snow depth	12.7 cm (5.0 in)	50 of 100 (Notable)
Logan 1 WNW	United States	Record daily snowfall	10.2 cm (4.0 in)	50 of 100 (Notable)
Perryton	United States	Record daily snowfall	12.7 cm (5.0 in)	50 of 100 (Notable)
Sheldon	United States	Record daily snowfall	11.4 cm (4.5 in)	49 of 100 (Notable)
Western 2W	United States	Record daily snowfall	12.7 cm (5.0 in)	49 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record daily snowfall	16.8 cm (6.6 in)	49 of 100 (Notable)
Ft Smith Wtp	United States	Record daily precipitation	105.7 mm (4.2 in)	48 of 100 (Notable)
Osage	United States	Record daily precipitation	67.8 mm (2.7 in)	48 of 100 (Notable)
Trousdale 1 NE	United States	Record daily snowfall	22.9 cm (9.0 in)	48 of 100 (Notable)
Edina	United States	Record daily precipitation	73.7 mm (2.9 in)	48 of 100 (Notable)
Stratford	United States	Record daily snowfall	15.2 cm (6.0 in)	48 of 100 (Notable)
Ear Falls	Canada	Record daily snowfall	10.2 cm (4.0 in)	47 of 100 (Notable)
Fort Frances	Canada	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Belle Ile - le Talut	France	Record daily precipitation	44.6 mm (1.8 in)	47 of 100 (Notable)
Humacao 2 SSE	Puerto Rico [United States]	Record daily precipitation	116.8 mm (4.6 in)	47 of 100 (Notable)
Sibasa	South Africa	Record daily precipitation	62.7 mm (2.5 in)	47 of 100 (Notable)
Ellsworth	United States	Record daily snowfall	11.4 cm (4.5 in)	47 of 100 (Notable)
Roseau	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Crete 4ESE	United States	Record daily snowfall	8.9 cm (3.5 in)	47 of 100 (Notable)
Akron	United States	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
Galena	United States	Record daily precipitation	53.3 mm (2.1 in)	46 of 100 (Notable)
Madison	United States	Record daily snowfall	8.9 cm (3.5 in)	46 of 100 (Notable)
Beaver	United States	Record daily snowfall	8.9 cm (3.5 in)	46 of 100 (Notable)
Canton	United States	Record daily snowfall	8.9 cm (3.5 in)	46 of 100 (Notable)
Follett	United States	Record snow depth	20.3 cm (8.0 in)	46 of 100 (Notable)
Shenandoah	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)

Counts by Type and Timescale

1,805 records

Records set or tied on 9 October 1970 by type: Highest daily maximum 121, Lowest daily maximum 473, Highest daily minimum 110, Lowest daily minimum 353, Heaviest daily rainfall 563, Heaviest daily snowfall 145, Deepest snow cover 40.

Records on 9 October 1970 by type
Record type	Records
Highest daily maximum	121
Lowest daily maximum	473
Highest daily minimum	110
Lowest daily minimum	353
Heaviest daily rainfall	563
Heaviest daily snowfall	145
Deepest snow cover	40

Records on 9 October 1970 by timescale: all-time 3, monthly 93, daily 1,709.

How Much Records Were Beaten By

1,603 broken records

Margins by which the 1,603 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

9 October 1970

Top 20 records on 9 October 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 October 1970	Grinnell 3 SW, US	monthly rain	105.4 mm (4.1 in)	46.2 mm (1.8 in)	45 years	70 of 100 (Major)
9 October 1970	Aibonito 1 S, PR	all-time rain	431.8 mm (17.0 in)	160.5 mm (6.3 in)	10 years	69 of 100 (Major)
9 October 1970	Juncos 1 SE, PR	all-time rain	276.9 mm (10.9 in)	106.7 mm (4.2 in)	15 years	68 of 100 (Major)
9 October 1970	Cresco 1 NE, US	daily rain	75.2 mm (3.0 in)	51.8 mm (2.0 in)	64 years	66 of 100 (Major)
9 October 1970	Lucerne, US	monthly rain	106.7 mm (4.2 in)	52.6 mm (2.1 in)	35 years	64 of 100 (Major)
9 October 1970	Verwoedburg-Mu"Lytteltn", ZA	daily rain	81.2 mm (3.2 in)	72.3 mm (2.8 in)	52 years	61 of 100 (Major)
9 October 1970	Hickman, US	daily rain	53.3 mm (2.1 in)	40.1 mm (1.6 in)	73 years	61 of 100 (Major)
9 October 1970	Araripe, BR	monthly rain	82.2 mm (3.2 in)	48.0 mm (1.9 in)	13 years	59 of 100 (Notable)
9 October 1970	Kenora A, CA	monthly snowfall	26.2 cm (10.3 in)	16.0 cm (6.3 in)	20 years	59 of 100 (Notable)
9 October 1970	Greensburg, US	monthly snowfall	27.9 cm (11.0 in)	12.7 cm (5.0 in)	58 years	59 of 100 (Notable)
9 October 1970	Spearman, US	monthly snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	46 years	59 of 100 (Notable)
9 October 1970	New Hampton, US	monthly rain	106.7 mm (4.2 in)	45.0 mm (1.8 in)	1 year	57 of 100 (Notable)
9 October 1970	Toledo 3N, US	daily rain	73.7 mm (2.9 in)	35.1 mm (1.4 in)	57 years	57 of 100 (Notable)
9 October 1970	Harrison, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	56 years	57 of 100 (Notable)
9 October 1970	Wakefield 3NW, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	75 years	57 of 100 (Notable)
9 October 1970	Marshalltown, US	daily rain	95.3 mm (3.8 in)	34.3 mm (1.4 in)	57 years	56 of 100 (Notable)
9 October 1970	Detroit Lakes 1 NNE, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	73 years	56 of 100 (Notable)
9 October 1970	Clear Lake, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	67 years	56 of 100 (Notable)
9 October 1970	Le Mars, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	73 years	54 of 100 (Notable)
9 October 1970	Coldwater, US	monthly snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	58 years	54 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 1,805 records.

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

Records on 10-09 in each year
Year	Records
1793	1
1795	1
1802	1
1834	1
1837	1
1846	2
1847	1
1854	2
1858	1
1861	1
1864	2
1865	3
1866	1
1867	2
1869	1
1870	2
1875	1
1876	2
1877	2
1879	2
1881	1
1882	1
1884	1
1885	1
1886	1
1887	2
1888	6
1889	1
1890	1
1891	1
1893	5
1895	7
1896	4
1897	1
1898	3
1899	5
1900	5
1901	2
1902	3
1903	15
1904	8
1905	14
1906	29
1907	6
1908	19
1909	34
1910	20
1911	16
1912	23
1913	57
1914	22
1915	25
1916	126
1917	65
1918	16
1919	68
1920	36
1921	217
1922	40
1923	72
1924	95
1925	272
1926	123
1927	107
1928	290
1929	196
1930	276
1931	298
1932	271
1933	187
1934	298
1935	208
1936	569
1937	405
1938	462
1939	877
1940	119
1941	570
1942	330
1943	442
1944	144
1945	539
1946	317
1947	277
1948	438
1949	1,531
1950	618
1951	347
1952	658
1953	343
1954	341
1955	643
1956	468
1957	256
1958	639
1959	1,432
1960	397
1961	622
1962	508
1963	474
1964	841
1965	349
1966	489
1967	347
1968	538
1969	389
1970	1,805
1971	423
1972	371
1973	1,454
1974	513
1975	552
1976	1,448
1977	586
1978	589
1979	914
1980	627
1981	653
1982	1,579
1983	548
1984	579
1985	1,724
1986	556
1987	850
1988	1,060
1989	679
1990	1,714
1991	707
1992	1,050
1993	1,043
1994	772
1995	1,139
1996	1,047
1997	2,113
1998	622
1999	1,017
2000	3,177
2001	855
2002	701
2003	1,386
2004	665
2005	807
2006	640
2007	1,450
2008	473
2009	1,772
2010	1,311
2011	1,046
2012	706
2013	562
2014	652
2015	780
2016	463
2017	1,457
2018	1,290
2019	964
2020	738
2021	751
2022	696
2023	643
2024	963
2025	503
2026	691

Download the Data

Data for records on 1970-10-09: 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 50	1,486
50 to 100	77
100 to 150	30
150 to 200	7
200 to 250	3