Weather Records on 18 October 1970

501 weather records were set or tied worldwide on 18 October 1970. Highest significance: Fort McPherson, CA.

Key Facts for 18 October 1970

On 18 October 1970, 501 weather records were set or tied at long-record stations worldwide.
18 were record highs and 343 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 500 daily.
Fort McPherson set a daily record precipitation of 25.4 mm (1.0 in) on 18 October 1970.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 433 records.

Record Map

501 stations

501 station records on 18 October 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fort McPherson	Canada	Record daily precipitation	25.4 mm (1.0 in)	56 of 100 (Notable)
Fort McPherson	Canada	Record daily snowfall	25.4 cm (10.0 in)	56 of 100 (Notable)
Suldalsvatn	Norway	Record daily precipitation	83.9 mm (3.3 in)	49 of 100 (Notable)
Arkalgud	India	Record daily precipitation	114.3 mm (4.5 in)	43 of 100 (Notable)
Ripogenus Dam	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Salzburg	Austria	Record low minimum temperature	-3.1 C (26.4 F)	38 of 100 (Notable)
Rayakottah	India	Record daily precipitation	69.0 mm (2.7 in)	38 of 100 (Notable)
Ulricehamn	Sweden	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Chokpak	Kazakhstan	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Lysebotn	Norway	Record daily precipitation	79.1 mm (3.1 in)	36 of 100 (Notable)
Crosbyton	United States	Record low maximum temperature	7.8 C (46.0 F)	36 of 100 (Notable)
Augsburg (Sankt Stephan)	Germany	Record low maximum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Ponce 4 E	Puerto Rico [United States]	Record low minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Roldal	Norway	Record daily precipitation	61.3 mm (2.4 in)	32 of 100 (Routine)
Freehold-Marlboro	United States	Record low maximum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Rio Grande City	United States	Record low maximum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Etne	Norway	Record daily precipitation	62.5 mm (2.5 in)	31 of 100 (Routine)
Storrs	United States	Record low maximum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Colorado City	United States	Record low maximum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Mercara Obsy Sr	India	Record daily precipitation	92.2 mm (3.6 in)	30 of 100 (Routine)
Blue Hill Coop	United States	Record low maximum temperature	4.4 C (39.9 F)	30 of 100 (Routine)
Raleigh State UNIV	United States	Record low minimum temperature	1.7 C (35.1 F)	30 of 100 (Routine)
Conway	United States	Record low maximum temperature	16.7 C (62.1 F)	30 of 100 (Routine)
Marathon	United States	Record low maximum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Seminole	United States	Record low maximum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Lampazos (Smn)	Mexico	Record low maximum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Cloud Chief 2 SE	United States	Record low maximum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Sand I Ryfylke II	Norway	Record daily precipitation	70.9 mm (2.8 in)	28 of 100 (Routine)
Ripogenus Dam	United States	Record daily precipitation	35.1 mm (1.4 in)	28 of 100 (Routine)
Framingham	United States	Record low maximum temperature	6.7 C (44.1 F)	28 of 100 (Routine)
Somerville 4 NW	United States	Record low maximum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Seneca	United States	Record low minimum temperature	-16.7 C (1.9 F)	28 of 100 (Routine)
Balmorhea	United States	Record low maximum temperature	7.8 C (46.0 F)	28 of 100 (Routine)
Seymour 3NW	United States	Record low maximum temperature	11.1 C (52.0 F)	28 of 100 (Routine)
Basin	United States	Record low minimum temperature	-8.9 C (16.0 F)	28 of 100 (Routine)
Channapatana	India	Record daily precipitation	62.5 mm (2.5 in)	27 of 100 (Routine)
Boras	Sweden	Record daily precipitation	31.2 mm (1.2 in)	27 of 100 (Routine)
Moosehead	United States	Record daily snowfall	16.0 cm (6.3 in)	27 of 100 (Routine)
Flemington 5 NNW	United States	Record low maximum temperature	8.9 C (48.0 F)	27 of 100 (Routine)
Spier Falls	United States	Record low maximum temperature	6.7 C (44.1 F)	27 of 100 (Routine)
Healdton 3 E	United States	Record low maximum temperature	16.7 C (62.1 F)	27 of 100 (Routine)
Coleman	United States	Record low maximum temperature	14.4 C (57.9 F)	27 of 100 (Routine)
Haskell	United States	Record low maximum temperature	11.1 C (52.0 F)	27 of 100 (Routine)
Hobart Muni AP	United States	Record low maximum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
Ovre Sirdal	Norway	Record daily precipitation	56.5 mm (2.2 in)	26 of 100 (Routine)
Ust-Maja	Russia	Record low minimum temperature	-29.1 C (-20.4 F)	26 of 100 (Routine)
Newton	United States	Record low maximum temperature	7.2 C (45.0 F)	26 of 100 (Routine)
Altus Irig Rsch STN	United States	Record low maximum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Greenville Kgvl Radio	United States	Record low maximum temperature	13.3 C (55.9 F)	26 of 100 (Routine)
Henrietta	United States	Record low maximum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Debrecen Airport	Hungary	Record low minimum temperature	-5.4 C (22.3 F)	25 of 100 (Routine)
Tiptur	India	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Zinder	Niger	Record low minimum temperature	17.6 C (63.7 F)	25 of 100 (Routine)
Brekke I Sogn	Norway	Record daily precipitation	82.6 mm (3.3 in)	25 of 100 (Routine)
Ljungby	Sweden	Record daily precipitation	27.8 mm (1.1 in)	25 of 100 (Routine)
Ft Valley	United States	Record low minimum temperature	-11.1 C (12.0 F)	25 of 100 (Routine)
Erick	United States	Record low maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Stillwater 2 W	United States	Record low maximum temperature	12.8 C (55.0 F)	25 of 100 (Routine)
Cuero	United States	Record low maximum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Eden	United States	Record low maximum temperature	11.7 C (53.1 F)	25 of 100 (Routine)

Counts by Type and Timescale

501 records

Records set or tied on 18 October 1970 by type: Highest daily maximum 8, Lowest daily maximum 201, Highest daily minimum 10, Lowest daily minimum 142, Heaviest daily rainfall 125, Heaviest daily snowfall 12, Deepest snow cover 3.

Records on 18 October 1970 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	201
Highest daily minimum	10
Lowest daily minimum	142
Heaviest daily rainfall	125
Heaviest daily snowfall	12
Deepest snow cover	3

Records on 18 October 1970 by timescale: all-time 0, monthly 1, daily 500.

How Much Records Were Beaten By

406 broken records

Margins by which the 406 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

18 October 1970

Top 20 records on 18 October 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 1970	Fort McPherson, CA	daily rain	25.4 mm (1.0 in)	19.0 mm (0.7 in)	31 years	56 of 100 (Notable)
18 October 1970	Fort McPherson, CA	daily snowfall	25.4 cm (10.0 in)	19.0 cm (7.5 in)	31 years	56 of 100 (Notable)
18 October 1970	Suldalsvatn, NO	daily rain	83.9 mm (3.3 in)	49.5 mm (1.9 in)	20 years	49 of 100 (Notable)
18 October 1970	Arkalgud, IN	daily rain	114.3 mm (4.5 in)	43.7 mm (1.7 in)	31 years	43 of 100 (Notable)
18 October 1970	Ripogenus Dam, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	44 years	41 of 100 (Notable)
18 October 1970	Salzburg, AT	daily low min	-3.1 C (26.4 F)	0.9 C (1.6 F)	90 years	38 of 100 (Notable)
18 October 1970	Rayakottah, IN	daily rain	69.0 mm (2.7 in)	24.5 mm (1.0 in)	64 years	38 of 100 (Notable)
18 October 1970	Ulricehamn, SE	daily rain	31.8 mm (1.3 in)	15.3 mm (0.6 in)	20 years	38 of 100 (Notable)
18 October 1970	Chokpak, KZ	daily rain	36.8 mm (1.4 in)	31.9 mm (1.3 in)	4 years	37 of 100 (Notable)
18 October 1970	Lysebotn, NO	daily rain	79.1 mm (3.1 in)	32.1 mm (1.3 in)	20 years	36 of 100 (Notable)
18 October 1970	Crosbyton, US	daily low max	7.8 C (46.0 F)	5.5 C (9.9 F)	69 years	36 of 100 (Notable)
18 October 1970	Augsburg (Sankt Stephan), DE	daily low max	5.0 C (41.0 F)	0.2 C (0.4 F)	82 years	33 of 100 (Routine)
18 October 1970	Ponce 4 E, PR	daily low min	18.9 C (66.0 F)	1.1 C (2.0 F)	61 years	33 of 100 (Routine)
18 October 1970	Roldal, NO	daily rain	61.3 mm (2.4 in)	21.9 mm (0.9 in)	20 years	32 of 100 (Routine)
18 October 1970	Freehold-Marlboro, US	daily low max	10.0 C (50.0 F)	0.6 C (1.1 F)	73 years	32 of 100 (Routine)
18 October 1970	Rio Grande City, US	daily low max	18.9 C (66.0 F)	5.5 C (9.9 F)	40 years	32 of 100 (Routine)
18 October 1970	Etne, NO	daily rain	62.5 mm (2.5 in)	24.9 mm (1.0 in)	20 years	31 of 100 (Routine)
18 October 1970	Storrs, US	daily low max	5.6 C (42.1 F)	1.1 C (2.0 F)	71 years	31 of 100 (Routine)
18 October 1970	Colorado City, US	daily low max	12.8 C (55.0 F)	3.3 C (5.9 F)	63 years	31 of 100 (Routine)
18 October 1970	Mercara Obsy Sr, IN	monthly rain	92.2 mm (3.6 in)	4.1 mm (0.16 in)	34 years	30 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 501 records.

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

Records on 10-18 in each year
Year	Records
1794	1
1796	1
1799	1
1806	1
1807	1
1810	1
1811	2
1817	1
1832	1
1835	1
1836	1
1843	1
1846	2
1848	1
1849	1
1851	1
1852	1
1859	1
1863	1
1865	2
1866	2
1868	1
1869	1
1871	1
1872	1
1874	4
1876	2
1877	2
1879	3
1881	1
1882	1
1883	2
1887	1
1888	1
1890	4
1892	4
1893	1
1894	3
1895	2
1897	6
1898	5
1899	12
1900	5
1901	5
1902	6
1903	9
1904	12
1905	27
1906	17
1907	11
1908	44
1909	23
1910	50
1911	22
1912	12
1913	26
1914	52
1915	12
1916	64
1917	109
1918	24
1919	31
1920	87
1921	87
1922	59
1923	114
1924	151
1925	153
1926	149
1927	309
1928	316
1929	190
1930	507
1931	350
1932	446
1933	264
1934	222
1935	360
1936	483
1937	671
1938	536
1939	475
1940	532
1941	240
1942	332
1943	844
1944	264
1945	398
1946	355
1947	965
1948	1,128
1949	665
1950	996
1951	325
1952	394
1953	678
1954	621
1955	403
1956	578
1957	220
1958	407
1959	246
1960	612
1961	362
1962	252
1963	492
1964	311
1965	1,066
1966	613
1967	405
1968	737
1969	789
1970	501
1971	1,199
1972	1,581
1973	789
1974	746
1975	779
1976	1,326
1977	533
1978	545
1979	555
1980	1,024
1981	680
1982	654
1983	684
1984	1,331
1985	831
1986	344
1987	518
1988	733
1989	1,196
1990	1,043
1991	999
1992	1,295
1993	1,051
1994	1,296
1995	1,227
1996	795
1997	1,240
1998	1,323
1999	773
2000	823
2001	818
2002	878
2003	1,097
2004	1,156
2005	755
2006	1,328
2007	1,298
2008	531
2009	1,546
2010	634
2011	736
2012	741
2013	430
2014	690
2015	915
2016	1,511
2017	590
2018	759
2019	346
2020	957
2021	387
2022	1,334
2023	693
2024	1,142
2025	367

Download the Data

Data for records on 1970-10-18: 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	402
50 to 100	1
100 to 150	1
150 to 200	1
200 to 250	1