Weather Records on 28 November 1970

567 weather records were set or tied worldwide on 28 November 1970. Highest significance: Denair 3 NNE, US.

Key Facts for 28 November 1970

On 28 November 1970, 567 weather records were set or tied at long-record stations worldwide.
173 were record highs and 119 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 19 monthly and 546 daily.
Denair 3 NNE set a daily record precipitation of 33.0 mm (1.3 in) on 28 November 1970.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 465 records.

Record Map

567 stations

567 station records on 28 November 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 November 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Denair 3 NNE	United States	Record daily precipitation	33.0 mm (1.3 in)	65 of 100 (Major)
San Jose	United States	Record daily precipitation	34.0 mm (1.3 in)	61 of 100 (Major)
Petaluma AP	United States	Record daily precipitation	96.0 mm (3.8 in)	58 of 100 (Notable)
Sacramento 5 ESE	United States	Record daily precipitation	55.9 mm (2.2 in)	57 of 100 (Notable)
San Mateo	United States	Record daily precipitation	45.7 mm (1.8 in)	56 of 100 (Notable)
McCloud	United States	Record daily snowfall	43.2 cm (17.0 in)	55 of 100 (Notable)
De Sabla	United States	Record daily precipitation	139.2 mm (5.5 in)	51 of 100 (Notable)
Hobergs	United States	Record daily precipitation	121.9 mm (4.8 in)	51 of 100 (Notable)
Avalon Pleasure Pier	United States	Record daily precipitation	39.6 mm (1.6 in)	49 of 100 (Notable)
Kelseyville	United States	Record daily precipitation	59.9 mm (2.4 in)	48 of 100 (Notable)
Point Piedras Blanca	United States	Record daily precipitation	55.6 mm (2.2 in)	48 of 100 (Notable)
Santa Clara UNIV	United States	Record daily precipitation	39.1 mm (1.5 in)	48 of 100 (Notable)
Los Gatos	United States	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Livermore	United States	Record daily precipitation	32.0 mm (1.3 in)	46 of 100 (Notable)
Lodi	United States	Record daily precipitation	38.9 mm (1.5 in)	46 of 100 (Notable)
Russell	Canada	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Calistoga	United States	Record daily precipitation	105.4 mm (4.1 in)	45 of 100 (Notable)
Paskenta Rs	United States	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Rio Vista	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Willows 6 W	United States	Record daily precipitation	55.9 mm (2.2 in)	44 of 100 (Notable)
Sandberg	United States	Record daily precipitation	85.3 mm (3.4 in)	44 of 100 (Notable)
Los Angeles Downtown/Usc	United States	Record daily precipitation	45.5 mm (1.8 in)	44 of 100 (Notable)
Vedaranayam	India	Record daily precipitation	268.2 mm (10.6 in)	43 of 100 (Notable)
Orland	United States	Record daily precipitation	53.1 mm (2.1 in)	43 of 100 (Notable)
Wrights	United States	Record daily precipitation	111.0 mm (4.4 in)	43 of 100 (Notable)
Yreka	United States	Record daily precipitation	39.9 mm (1.6 in)	43 of 100 (Notable)
De Sabla	United States	Record daily snowfall	8.9 cm (3.5 in)	42 of 100 (Notable)
Watsonville Wtr Wks	United States	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Seneca	United States	Record daily snowfall	15.2 cm (6.0 in)	42 of 100 (Notable)
Mineral	United States	Record daily snowfall	68.6 cm (27.0 in)	41 of 100 (Notable)
Walnut Creek 2 ESE	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Salinas AP	United States	Record daily precipitation	30.2 mm (1.2 in)	41 of 100 (Notable)
Nagappattinam	India	Record daily precipitation	237.5 mm (9.4 in)	40 of 100 (Notable)
Rocklin	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Red Bluff Muni AP	United States	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Davis 2 WSW Exp Farm	United States	Record daily precipitation	39.1 mm (1.5 in)	39 of 100 (Notable)
King City	United States	Record daily precipitation	42.9 mm (1.7 in)	39 of 100 (Notable)
Nevada City	United States	Record daily precipitation	52.6 mm (2.1 in)	39 of 100 (Notable)
Big Sur STN	United States	Record daily precipitation	73.2 mm (2.9 in)	38 of 100 (Notable)
Bouquet Canyon	United States	Record daily precipitation	61.5 mm (2.4 in)	38 of 100 (Notable)
Represa	United States	Record daily precipitation	54.9 mm (2.2 in)	38 of 100 (Notable)
Vacaville	United States	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Napoleon	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Modesto AP	United States	Record daily precipitation	57.2 mm (2.3 in)	38 of 100 (Notable)
Antioch Fibrebrd Mills	United States	Record daily precipitation	32.8 mm (1.3 in)	37 of 100 (Notable)
Canyon Dam	United States	Record daily snowfall	66.0 cm (26.0 in)	37 of 100 (Notable)
Chester	United States	Record daily snowfall	55.9 cm (22.0 in)	37 of 100 (Notable)
Valyermo Rs	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	0.2 C (32.4 F)	36 of 100 (Notable)
Bowman Dam	United States	Record daily snowfall	45.7 cm (18.0 in)	36 of 100 (Notable)
East Park Rsvr	United States	Record daily precipitation	64.5 mm (2.5 in)	36 of 100 (Notable)
Redding Fire STN 2	United States	Record daily precipitation	86.4 mm (3.4 in)	36 of 100 (Notable)
Skaggs Spgs Las Lomas	United States	Record daily precipitation	96.5 mm (3.8 in)	36 of 100 (Notable)
Salgadalia	Brazil	Record daily precipitation	74.3 mm (2.9 in)	35 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Santa Rosa	United States	Record daily precipitation	61.7 mm (2.4 in)	35 of 100 (Notable)
Tbilisi	Georgia	Record high minimum temperature	8.5 C (47.3 F)	34 of 100 (Routine)
Woodfords	United States	Record daily snowfall	25.4 cm (10.0 in)	34 of 100 (Routine)
Berkeley	United States	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Chester	United States	Record daily precipitation	72.1 mm (2.8 in)	33 of 100 (Routine)

Counts by Type and Timescale

567 records

Records set or tied on 28 November 1970 by type: Highest daily maximum 63, Lowest daily maximum 64, Highest daily minimum 110, Lowest daily minimum 55, Heaviest daily rainfall 220, Heaviest daily snowfall 43, Deepest snow cover 12.

Records on 28 November 1970 by type
Record type	Records
Highest daily maximum	63
Lowest daily maximum	64
Highest daily minimum	110
Lowest daily minimum	55
Heaviest daily rainfall	220
Heaviest daily snowfall	43
Deepest snow cover	12

Records on 28 November 1970 by timescale: all-time 2, monthly 19, daily 546.

How Much Records Were Beaten By

483 broken records

Margins by which the 483 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 407.0. Ties are not counted.

Top 20 by Significance

28 November 1970

Top 20 records on 28 November 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 November 1970	Denair 3 NNE, US	daily rain	33.0 mm (1.3 in)	28.2 mm (1.1 in)	70 years	65 of 100 (Major)
28 November 1970	San Jose, US	daily rain	34.0 mm (1.3 in)	23.8 mm (0.9 in)	68 years	61 of 100 (Major)
28 November 1970	Petaluma AP, US	monthly rain	96.0 mm (3.8 in)	24.9 mm (1.0 in)	57 years	58 of 100 (Notable)
28 November 1970	Sacramento 5 ESE, US	daily rain	55.9 mm (2.2 in)	23.9 mm (0.9 in)	77 years	57 of 100 (Notable)
28 November 1970	San Mateo, US	daily rain	45.7 mm (1.8 in)	33.5 mm (1.3 in)	64 years	56 of 100 (Notable)
28 November 1970	McCloud, US	daily snowfall	43.2 cm (17.0 in)	40.7 cm (16.0 in)	32 years	55 of 100 (Notable)
28 November 1970	De Sabla, US	daily rain	139.2 mm (5.5 in)	90.4 mm (3.6 in)	24 years	51 of 100 (Notable)
28 November 1970	Hobergs, US	daily rain	121.9 mm (4.8 in)	108.7 mm (4.3 in)	28 years	51 of 100 (Notable)
28 November 1970	Avalon Pleasure Pier, US	daily rain	39.6 mm (1.6 in)	32.5 mm (1.3 in)	40 years	49 of 100 (Notable)
28 November 1970	Kelseyville, US	daily rain	59.9 mm (2.4 in)	48.2 mm (1.9 in)	5 years	48 of 100 (Notable)
28 November 1970	Point Piedras Blanca, US	daily rain	55.6 mm (2.2 in)	45.9 mm (1.8 in)	24 years	48 of 100 (Notable)
28 November 1970	Santa Clara UNIV, US	daily rain	39.1 mm (1.5 in)	29.7 mm (1.2 in)	4 years	48 of 100 (Notable)
28 November 1970	Los Gatos, US	daily rain	68.6 mm (2.7 in)	33.0 mm (1.3 in)	68 years	47 of 100 (Notable)
28 November 1970	Livermore, US	daily rain	32.0 mm (1.3 in)	17.0 mm (0.7 in)	64 years	46 of 100 (Notable)
28 November 1970	Lodi, US	daily rain	38.9 mm (1.5 in)	16.0 mm (0.6 in)	68 years	46 of 100 (Notable)
28 November 1970	Russell, CA	daily snowfall	7.6 cm (3.0 in)	3.8 cm (1.5 in)	86 years	45 of 100 (Notable)
28 November 1970	Calistoga, US	monthly rain	105.4 mm (4.1 in)	35.0 mm (1.4 in)	16 years	45 of 100 (Notable)
28 November 1970	Paskenta Rs, US	daily rain	62.2 mm (2.4 in)	52.0 mm (2.0 in)	4 years	44 of 100 (Notable)
28 November 1970	Rio Vista, US	daily rain	44.5 mm (1.8 in)	21.1 mm (0.8 in)	48 years	44 of 100 (Notable)
28 November 1970	Willows 6 W, US	daily rain	55.9 mm (2.2 in)	42.4 mm (1.7 in)	4 years	44 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 567 records.

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

Records on 11-28 in each year
Year	Records
1793	1
1797	1
1807	1
1815	1
1827	1
1829	1
1831	2
1838	1
1839	1
1844	1
1849	2
1850	1
1851	1
1856	4
1857	1
1869	2
1870	1
1871	2
1872	3
1873	2
1874	2
1875	2
1878	2
1879	1
1883	2
1884	2
1887	2
1888	1
1889	2
1890	8
1892	2
1894	1
1895	2
1896	3
1897	3
1898	3
1899	3
1900	5
1901	4
1902	7
1903	25
1904	11
1905	24
1906	21
1907	10
1908	4
1909	39
1910	8
1911	62
1912	24
1913	34
1914	19
1915	33
1916	27
1917	68
1918	13
1919	31
1920	166
1921	50
1922	38
1923	77
1924	55
1925	76
1926	90
1927	545
1928	62
1929	192
1930	749
1931	143
1932	307
1933	203
1934	544
1935	257
1936	252
1937	629
1938	553
1939	240
1940	445
1941	349
1942	232
1943	143
1944	193
1945	236
1946	372
1947	201
1948	752
1949	1,211
1950	506
1951	272
1952	1,051
1953	277
1954	200
1955	1,042
1956	355
1957	240
1958	1,066
1959	730
1960	986
1961	325
1962	413
1963	246
1964	690
1965	301
1966	807
1967	421
1968	799
1969	631
1970	567
1971	500
1972	360
1973	1,483
1974	398
1975	1,069
1976	2,175
1977	1,024
1978	825
1979	536
1980	799
1981	677
1982	842
1983	1,979
1984	1,014
1985	2,376
1986	718
1987	927
1988	810
1989	809
1990	1,642
1991	782
1992	926
1993	1,290
1994	1,267
1995	963
1996	1,161
1997	1,128
1998	1,922
1999	775
2000	726
2001	1,543
2002	1,104
2003	657
2004	770
2005	1,430
2006	1,710
2007	412
2008	849
2009	609
2010	1,533
2011	1,139
2012	698
2013	946
2014	1,210
2015	986
2016	474
2017	751
2018	852
2019	1,197
2020	318
2021	1,137
2022	496
2023	592
2024	456
2025	306

Download the Data

Data for records on 1970-11-28: 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 100	469
100 to 200	10
200 to 300	2
300 to 400	1
400 to 500	1