Weather Records on 30 November 1970

995 weather records were set or tied worldwide on 30 November 1970. Highest significance: Madeline, US.

Key Facts for 30 November 1970

On 30 November 1970, 995 weather records were set or tied at long-record stations worldwide.
565 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 982 daily.
Madeline set a monthly record daily precipitation of 50.8 mm (2.0 in) on 30 November 1970.
Across 158 earlier years (1797 to 2025) the same calendar date averaged 485 records.

Record Map

995 stations

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

Weather records on 30 November 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Madeline	United States	Record daily precipitation	50.8 mm (2.0 in)	63 of 100 (Major)
Beaumont	United States	Record daily precipitation	53.3 mm (2.1 in)	61 of 100 (Major)
Fairmont	United States	Record daily precipitation	68.8 mm (2.7 in)	50 of 100 (Notable)
Beaumont Pumping Plt	United States	Record daily precipitation	50.8 mm (2.0 in)	48 of 100 (Notable)
Lakeview	United States	Record daily precipitation	33.5 mm (1.3 in)	48 of 100 (Notable)
Uppsala_Aut	Sweden	Record low maximum temperature	-8.3 C (17.1 F)	47 of 100 (Notable)
Yirrkala Mission	Australia	Record daily precipitation	74.4 mm (2.9 in)	45 of 100 (Notable)
Descanso Rs	United States	Record daily precipitation	76.2 mm (3.0 in)	45 of 100 (Notable)
Half Moon Bay	United States	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
Sun Valley	United States	Record daily precipitation	34.0 mm (1.3 in)	43 of 100 (Notable)
Planet Downs	Australia	Record daily precipitation	88.1 mm (3.5 in)	41 of 100 (Notable)
Visalia	United States	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Hebgen Dam	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Cedar Lake	United States	Record snow depth	27.9 cm (11.0 in)	40 of 100 (Notable)
Chula Vista	United States	Record daily precipitation	28.2 mm (1.1 in)	39 of 100 (Notable)
Clearbrook	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
New Harmony	United States	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Britannia Beach Furry Cr	Canada	Record daily snowfall	8.1 cm (3.2 in)	37 of 100 (Notable)
Big Bear Lake Dam	United States	Record daily precipitation	82.8 mm (3.3 in)	37 of 100 (Notable)
La Grange 1N	United States	Record high maximum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Challis	United States	Record daily snowfall	7.6 cm (3.0 in)	37 of 100 (Notable)
Barrett Dam	United States	Record daily precipitation	45.5 mm (1.8 in)	36 of 100 (Notable)
Lima	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
El Reno 1 N	United States	Record high minimum temperature	13.3 C (55.9 F)	35 of 100 (Notable)
Georgetown	United States	Record high minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Independence	United States	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Warner Springs	United States	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Everett	United States	Record high minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Darkwater	Australia	Record daily precipitation	74.4 mm (2.9 in)	33 of 100 (Routine)
Sun Valley	United States	Record daily snowfall	27.9 cm (11.0 in)	33 of 100 (Routine)
Vila Carmem	Brazil	Record daily precipitation	52.7 mm (2.1 in)	32 of 100 (Routine)
Agassiz Cda	Canada	Record low minimum temperature	-7.8 C (18.0 F)	32 of 100 (Routine)
Porterville	United States	Record daily precipitation	27.4 mm (1.1 in)	32 of 100 (Routine)
Winnsboro	United States	Record high maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Jackson	United States	Record daily snowfall	20.3 cm (8.0 in)	32 of 100 (Routine)
Clowhom Falls	Canada	Record daily snowfall	8.9 cm (3.5 in)	31 of 100 (Routine)
Dry Canyon Rsvr	United States	Record daily precipitation	41.1 mm (1.6 in)	31 of 100 (Routine)
Bastrop	United States	Record high maximum temperature	28.3 C (82.9 F)	31 of 100 (Routine)
Farmerville	United States	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
Plattsburgh AFB	United States	Record high minimum temperature	2.8 C (37.0 F)	31 of 100 (Routine)
Caroleen	United States	Record high maximum temperature	25.6 C (78.1 F)	31 of 100 (Routine)
Bellefonte 4 S	United States	Record high minimum temperature	3.3 C (37.9 F)	31 of 100 (Routine)
Lake Yellowstone	United States	Record daily snowfall	15.2 cm (6.0 in)	31 of 100 (Routine)
Mojave	United States	Record daily precipitation	26.9 mm (1.1 in)	30 of 100 (Routine)
N Fk Rs	United States	Record daily precipitation	79.2 mm (3.1 in)	30 of 100 (Routine)
Yosemite Park HQ	United States	Record daily snowfall	10.2 cm (4.0 in)	30 of 100 (Routine)
Waynesboro 2 S	United States	Record high maximum temperature	27.8 C (82.0 F)	30 of 100 (Routine)
Willow Sprg Radio Kuku	United States	Record high minimum temperature	9.4 C (48.9 F)	30 of 100 (Routine)
Red Cloud	United States	Record high maximum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Morganton	United States	Record high maximum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Oelrichs	United States	Record high minimum temperature	7.2 C (45.0 F)	30 of 100 (Routine)
Silver Lake Brighton	United States	Record snow depth	124.5 cm (49.0 in)	30 of 100 (Routine)
Sapphire Post Office	Australia	Record daily precipitation	57.7 mm (2.3 in)	29 of 100 (Routine)
Lost River	Canada	Record daily snowfall	8.9 cm (3.5 in)	29 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record high minimum temperature	9.0 C (48.2 F)	29 of 100 (Routine)
Tuscola	United States	Record high minimum temperature	4.4 C (39.9 F)	29 of 100 (Routine)
Newton	United States	Record high maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Windsor	United States	Record high maximum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Hebgen Dam	United States	Record daily snowfall	30.5 cm (12.0 in)	29 of 100 (Routine)
Anderson	United States	Record high maximum temperature	25.6 C (78.1 F)	29 of 100 (Routine)

Counts by Type and Timescale

995 records

Records set or tied on 30 November 1970 by type: Highest daily maximum 301, Lowest daily maximum 43, Highest daily minimum 264, Lowest daily minimum 27, Heaviest daily rainfall 271, Heaviest daily snowfall 73, Deepest snow cover 16.

Records on 30 November 1970 by type
Record type	Records
Highest daily maximum	301
Lowest daily maximum	43
Highest daily minimum	264
Lowest daily minimum	27
Heaviest daily rainfall	271
Heaviest daily snowfall	73
Deepest snow cover	16

Records on 30 November 1970 by timescale: all-time 0, monthly 13, daily 982.

How Much Records Were Beaten By

798 broken records

Margins by which the 798 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

30 November 1970

Top 20 records on 30 November 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 November 1970	Madeline, US	monthly rain	50.8 mm (2.0 in)	12.7 mm (0.5 in)	61 years	63 of 100 (Major)
30 November 1970	Beaumont, US	daily rain	53.3 mm (2.1 in)	46.9 mm (1.8 in)	57 years	61 of 100 (Major)
30 November 1970	Fairmont, US	daily rain	68.8 mm (2.7 in)	47.2 mm (1.9 in)	56 years	50 of 100 (Notable)
30 November 1970	Beaumont Pumping Plt, US	daily rain	50.8 mm (2.0 in)	44.7 mm (1.8 in)	47 years	48 of 100 (Notable)
30 November 1970	Lakeview, US	daily rain	33.5 mm (1.3 in)	31.5 mm (1.2 in)	9 years	48 of 100 (Notable)
30 November 1970	Uppsala_Aut, SE	daily low max	-8.3 C (17.1 F)	3.1 C (5.6 F)	123 years	47 of 100 (Notable)
30 November 1970	Yirrkala Mission, AU	daily rain	74.4 mm (2.9 in)	68.8 mm (2.7 in)	8 years	45 of 100 (Notable)
30 November 1970	Descanso Rs, US	daily rain	76.2 mm (3.0 in)	59.7 mm (2.4 in)	24 years	45 of 100 (Notable)
30 November 1970	Half Moon Bay, US	daily rain	61.0 mm (2.4 in)	35.6 mm (1.4 in)	19 years	43 of 100 (Notable)
30 November 1970	Sun Valley, US	daily rain	34.0 mm (1.3 in)	26.9 mm (1.1 in)	3 years	43 of 100 (Notable)
30 November 1970	Planet Downs, AU	daily rain	88.1 mm (3.5 in)	44.7 mm (1.8 in)	20 years	41 of 100 (Notable)
30 November 1970	Visalia, US	daily rain	29.0 mm (1.1 in)	17.6 mm (0.7 in)	28 years	41 of 100 (Notable)
30 November 1970	Hebgen Dam, US	monthly rain	38.1 mm (1.5 in)	10.7 mm (0.4 in)	10 years	41 of 100 (Notable)
30 November 1970	Cedar Lake, US	daily snow depth	27.9 cm (11.0 in)	17.7 cm (7.0 in)	55 years	40 of 100 (Notable)
30 November 1970	Chula Vista, US	daily rain	28.2 mm (1.1 in)	16.8 mm (0.7 in)	47 years	39 of 100 (Notable)
30 November 1970	Clearbrook, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	67 years	39 of 100 (Notable)
30 November 1970	New Harmony, US	daily rain	31.0 mm (1.2 in)	20.3 mm (0.8 in)	48 years	38 of 100 (Notable)
30 November 1970	Britannia Beach Furry Cr, CA	daily snowfall	8.1 cm (3.2 in)	8.1 cm (3.2 in)	56 years	37 of 100 (Notable)
30 November 1970	Big Bear Lake Dam, US	daily rain	82.8 mm (3.3 in)	72.1 mm (2.8 in)	36 years	37 of 100 (Notable)
30 November 1970	La Grange 1N, US	daily high max	25.0 C (77.0 F)	3.9 C (7.0 F)	76 years	37 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

1797 to 1970

Records set or tied on this calendar date in each year from 1797 to 1970. 1970 had 995 records.

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

Records on 11-30 in each year
Year	Records
1797	1
1799	2
1807	2
1815	2
1817	1
1821	1
1827	2
1836	1
1840	1
1846	1
1849	2
1866	1
1867	1
1871	2
1875	7
1876	2
1879	2
1881	1
1885	7
1886	1
1887	2
1888	1
1889	3
1890	2
1891	2
1892	2
1893	3
1894	1
1895	7
1896	5
1897	5
1898	1
1899	7
1900	4
1901	8
1902	7
1903	22
1904	6
1905	16
1906	21
1907	6
1908	51
1909	20
1910	22
1911	22
1912	19
1913	54
1914	68
1915	37
1916	64
1917	26
1918	32
1919	87
1920	138
1921	42
1922	46
1923	144
1924	95
1925	102
1926	84
1927	600
1928	187
1929	883
1930	185
1931	375
1932	372
1933	1,006
1934	1,282
1935	84
1936	186
1937	375
1938	165
1939	321
1940	330
1941	298
1942	218
1943	238
1944	422
1945	147
1946	343
1947	544
1948	332
1949	323
1950	382
1951	348
1952	829
1953	307
1954	470
1955	576
1956	304
1957	226
1958	676
1959	339
1960	219
1961	412
1962	802
1963	566
1964	1,042
1965	309
1966	730
1967	802
1968	516
1969	625
1970	995
1971	501
1972	414
1973	635
1974	912
1975	2,018
1976	1,789
1977	935
1978	761
1979	837
1980	697
1981	1,361
1982	1,142
1983	1,137
1984	571
1985	2,887
1986	798
1987	913
1988	686
1989	781
1990	483
1991	2,104
1992	676
1993	756
1994	762
1995	1,472
1996	1,054
1997	987
1998	2,289
1999	1,170
2000	962
2001	1,431
2002	862
2003	634
2004	1,344
2005	883
2006	2,656
2007	739
2008	855
2009	951
2010	1,915
2011	1,108
2012	1,059
2013	505
2014	822
2015	880
2016	634
2017	307
2018	493
2019	1,060
2020	323
2021	1,049
2022	559
2023	583
2024	672
2025	858

Download the Data

Data for records on 1970-11-30: 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 50	768
50 to 100	23
100 to 150	4
150 to 200	2
200 to 250	0
250 to 300	1