Weather Records on 30 October 1970

636 weather records were set or tied worldwide on 30 October 1970. Highest significance: Sparta, US.

Key Facts for 30 October 1970

On 30 October 1970, 636 weather records were set or tied at long-record stations worldwide.
81 were record highs and 143 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 31 monthly and 605 daily.
Sparta set a monthly record daily precipitation of 136.7 mm (5.4 in) on 30 October 1970.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 489 records.

Record Map

636 stations

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

Weather records on 30 October 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sparta	United States	Record daily precipitation	136.7 mm (5.4 in)	67 of 100 (Major)
Port Hope	Canada	Record daily precipitation	37.3 mm (1.5 in)	66 of 100 (Major)
Elberton 2 N	United States	Record daily precipitation	98.6 mm (3.9 in)	66 of 100 (Major)
Washington 2 ESE	United States	Record daily precipitation	126.0 mm (5.0 in)	62 of 100 (Major)
Calhoun Falls	United States	Record daily precipitation	124.5 mm (4.9 in)	61 of 100 (Major)
The Meadows	South Africa	Record daily precipitation	47.0 mm (1.9 in)	60 of 100 (Major)
Madison 3NNW	United States	Record daily precipitation	44.5 mm (1.8 in)	57 of 100 (Notable)
Batavia	United States	Record daily precipitation	48.3 mm (1.9 in)	53 of 100 (Notable)
Logan	United States	Record daily precipitation	42.7 mm (1.7 in)	53 of 100 (Notable)
Pennington Gap	United States	Record daily precipitation	54.9 mm (2.2 in)	52 of 100 (Notable)
Milledgeville	United States	Record daily precipitation	145.5 mm (5.7 in)	50 of 100 (Notable)
Newnan 7 WNW	United States	Record daily precipitation	66.8 mm (2.6 in)	50 of 100 (Notable)
Woodbury	United States	Record daily precipitation	64.8 mm (2.6 in)	49 of 100 (Notable)
Kermit	United States	Record daily precipitation	48.3 mm (1.9 in)	49 of 100 (Notable)
W Liberty 3NW	United States	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Dahlonega 4WSW	United States	Record daily precipitation	72.9 mm (2.9 in)	47 of 100 (Notable)
Anderson	United States	Record daily precipitation	81.3 mm (3.2 in)	47 of 100 (Notable)
Little Mtn	United States	Record daily precipitation	76.5 mm (3.0 in)	47 of 100 (Notable)
Franklin	United States	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Experiment	United States	Record daily precipitation	52.6 mm (2.1 in)	45 of 100 (Notable)
Laurens	United States	Record daily precipitation	75.4 mm (3.0 in)	45 of 100 (Notable)
Tye Rvr 1 SE	United States	Record daily precipitation	67.6 mm (2.7 in)	45 of 100 (Notable)
Lifjell	Norway	Record snow depth	28.0 cm (11.0 in)	44 of 100 (Notable)
De Emigratie	South Africa	Record daily precipitation	50.5 mm (2.0 in)	44 of 100 (Notable)
Tuba City	United States	Record low minimum temperature	-11.1 C (12.0 F)	44 of 100 (Notable)
Albemarle	United States	Record daily precipitation	59.7 mm (2.4 in)	44 of 100 (Notable)
Troy	United States	Record daily precipitation	52.3 mm (2.1 in)	43 of 100 (Notable)
Brockport	United States	Record daily precipitation	35.1 mm (1.4 in)	42 of 100 (Notable)
London Locks	United States	Record daily precipitation	37.6 mm (1.5 in)	42 of 100 (Notable)
Adairsville	United States	Record daily precipitation	55.6 mm (2.2 in)	41 of 100 (Notable)
Athens	United States	Record daily precipitation	34.5 mm (1.4 in)	41 of 100 (Notable)
Charleston 1	United States	Record daily precipitation	37.8 mm (1.5 in)	41 of 100 (Notable)
Neumunster	Germany	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Middlesboro Fire Dept	United States	Record daily precipitation	55.6 mm (2.2 in)	40 of 100 (Notable)
Brady	United States	Record low minimum temperature	-2.8 C (27.0 F)	40 of 100 (Notable)
Ljunga	Sweden	Record daily precipitation	34.7 mm (1.4 in)	39 of 100 (Notable)
Millen 4 N	United States	Record daily precipitation	34.3 mm (1.4 in)	39 of 100 (Notable)
Paintsville 1E	United States	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Tryon	United States	Record daily precipitation	101.6 mm (4.0 in)	39 of 100 (Notable)
Gvarv	Norway	Record snow depth	22.0 cm (8.7 in)	38 of 100 (Notable)
Monticello	United States	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
W Pt	United States	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Ft Mill 4 NW	United States	Record daily precipitation	65.5 mm (2.6 in)	38 of 100 (Notable)
Winfield Locks	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Pratten	Australia	Record daily precipitation	54.4 mm (2.1 in)	37 of 100 (Notable)
Kjelsas I Sorkedalen	Norway	Record snow depth	30.0 cm (11.8 in)	37 of 100 (Notable)
Elkin	United States	Record daily precipitation	50.5 mm (2.0 in)	37 of 100 (Notable)
Wytheville	United States	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Williamson	United States	Record daily precipitation	45.2 mm (1.8 in)	36 of 100 (Notable)
Parkersburg	United States	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Suldalsvatn	Norway	Record snow depth	14.0 cm (5.5 in)	35 of 100 (Notable)
Steigen	Norway	Record snow depth	34.0 cm (13.4 in)	35 of 100 (Notable)
Rock Mills	United States	Record daily precipitation	54.4 mm (2.1 in)	35 of 100 (Notable)
Covington	United States	Record daily precipitation	30.7 mm (1.2 in)	35 of 100 (Notable)
Ashland	United States	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Nantahala	United States	Record daily precipitation	55.1 mm (2.2 in)	35 of 100 (Notable)
Kalpowar Forestry	Australia	Record daily precipitation	34.0 mm (1.3 in)	34 of 100 (Routine)
Gallipolis	United States	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Santuck	United States	Record daily precipitation	61.0 mm (2.4 in)	34 of 100 (Routine)
Hillsville	United States	Record daily precipitation	42.7 mm (1.7 in)	34 of 100 (Routine)

Counts by Type and Timescale

636 records

Records set or tied on 30 October 1970 by type: Highest daily maximum 32, Lowest daily maximum 22, Highest daily minimum 49, Lowest daily minimum 121, Heaviest daily rainfall 389, Heaviest daily snowfall 8, Deepest snow cover 15.

Records on 30 October 1970 by type
Record type	Records
Highest daily maximum	32
Lowest daily maximum	22
Highest daily minimum	49
Lowest daily minimum	121
Heaviest daily rainfall	389
Heaviest daily snowfall	8
Deepest snow cover	15

Records on 30 October 1970 by timescale: all-time 0, monthly 31, daily 605.

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 140.0. Ties are not counted.

Top 20 by Significance

30 October 1970

Top 20 records on 30 October 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1970	Sparta, US	monthly rain	136.7 mm (5.4 in)	61.5 mm (2.4 in)	36 years	67 of 100 (Major)
30 October 1970	Port Hope, CA	daily rain	37.3 mm (1.5 in)	33.2 mm (1.3 in)	73 years	66 of 100 (Major)
30 October 1970	Elberton 2 N, US	daily rain	98.6 mm (3.9 in)	64.3 mm (2.5 in)	61 years	66 of 100 (Major)
30 October 1970	Washington 2 ESE, US	daily rain	126.0 mm (5.0 in)	73.9 mm (2.9 in)	52 years	62 of 100 (Major)
30 October 1970	Calhoun Falls, US	daily rain	124.5 mm (4.9 in)	79.8 mm (3.1 in)	48 years	61 of 100 (Major)
30 October 1970	The Meadows, ZA	daily rain	47.0 mm (1.9 in)	34.3 mm (1.4 in)	47 years	60 of 100 (Major)
30 October 1970	Madison 3NNW, US	daily rain	44.5 mm (1.8 in)	28.8 mm (1.1 in)	75 years	57 of 100 (Notable)
30 October 1970	Batavia, US	daily rain	48.3 mm (1.9 in)	32.3 mm (1.3 in)	51 years	53 of 100 (Notable)
30 October 1970	Logan, US	daily rain	42.7 mm (1.7 in)	32.5 mm (1.3 in)	47 years	53 of 100 (Notable)
30 October 1970	Pennington Gap, US	daily rain	54.9 mm (2.2 in)	42.7 mm (1.7 in)	29 years	52 of 100 (Notable)
30 October 1970	Milledgeville, US	monthly rain	145.5 mm (5.7 in)	32.5 mm (1.3 in)	41 years	50 of 100 (Notable)
30 October 1970	Newnan 7 WNW, US	daily rain	66.8 mm (2.6 in)	45.2 mm (1.8 in)	52 years	50 of 100 (Notable)
30 October 1970	Woodbury, US	daily rain	64.8 mm (2.6 in)	44.0 mm (1.7 in)	48 years	49 of 100 (Notable)
30 October 1970	Kermit, US	daily rain	48.3 mm (1.9 in)	32.6 mm (1.3 in)	40 years	49 of 100 (Notable)
30 October 1970	W Liberty 3NW, US	daily rain	38.1 mm (1.5 in)	35.8 mm (1.4 in)	8 years	48 of 100 (Notable)
30 October 1970	Dahlonega 4WSW, US	daily rain	72.9 mm (2.9 in)	40.4 mm (1.6 in)	52 years	47 of 100 (Notable)
30 October 1970	Anderson, US	daily rain	81.3 mm (3.2 in)	49.0 mm (1.9 in)	48 years	47 of 100 (Notable)
30 October 1970	Little Mtn, US	daily rain	76.5 mm (3.0 in)	51.9 mm (2.0 in)	52 years	47 of 100 (Notable)
30 October 1970	Franklin, US	daily rain	62.2 mm (2.4 in)	54.8 mm (2.2 in)	19 years	46 of 100 (Notable)
30 October 1970	Experiment, US	daily rain	52.6 mm (2.1 in)	41.7 mm (1.6 in)	41 years	45 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

1799 to 1970

Records set or tied on this calendar date in each year from 1799 to 1970. 1970 had 636 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 1970-10-30: 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	440
20 to 40	71
40 to 60	20
60 to 80	6
80 to 100	0
100 to 120	2
120 to 140	1