Weather Records on 29 November 1970

851 weather records were set or tied worldwide on 29 November 1970. Highest significance: Claremont Pomona Clg, US.

Key Facts for 29 November 1970

On 29 November 1970, 851 weather records were set or tied at long-record stations worldwide.
341 were record highs and 120 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 46 monthly and 802 daily.
Claremont Pomona Clg set a daily record precipitation of 71.4 mm (2.8 in) on 29 November 1970.
Across 161 earlier years (1797 to 2025) the same calendar date averaged 476 records.

Record Map

851 stations

851 station records on 29 November 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 November 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Claremont Pomona Clg	United States	Record daily precipitation	71.4 mm (2.8 in)	69 of 100 (Major)
Glendora Fc 287B	United States	Record daily precipitation	91.7 mm (3.6 in)	69 of 100 (Major)
San Bernardino F S 226	United States	Record daily precipitation	52.1 mm (2.1 in)	69 of 100 (Major)
Livermore	United States	Record daily precipitation	49.5 mm (1.9 in)	65 of 100 (Major)
Tustin Irvine Rch	United States	Record daily precipitation	55.9 mm (2.2 in)	65 of 100 (Major)
Azusa City Park Fc 143	United States	Record daily precipitation	77.7 mm (3.1 in)	64 of 100 (Major)
La Mesa	United States	Record daily precipitation	32.3 mm (1.3 in)	60 of 100 (Major)
Riverside Fire STN 3	United States	Record daily precipitation	30.5 mm (1.2 in)	60 of 100 (Major)
Newport Beach Harbor	United States	Record daily precipitation	52.1 mm (2.1 in)	59 of 100 (Notable)
Clarksburg	United States	Record daily precipitation	70.1 mm (2.8 in)	58 of 100 (Notable)
Pomona/Fairplex	United States	Record daily precipitation	50.8 mm (2.0 in)	57 of 100 (Notable)
Valyermo Rs	United States	Record daily precipitation	72.9 mm (2.9 in)	56 of 100 (Notable)
San Jacinto	United States	Record daily precipitation	35.6 mm (1.4 in)	54 of 100 (Notable)
Marble Bar Comparison	Australia	Record daily precipitation	29.5 mm (1.2 in)	53 of 100 (Notable)
Arroyo Seco Rng STN Fc	United States	Record daily precipitation	150.6 mm (5.9 in)	53 of 100 (Notable)
Corona	United States	Record daily precipitation	45.7 mm (1.8 in)	53 of 100 (Notable)
Santa Paula	United States	Record daily precipitation	128.0 mm (5.0 in)	53 of 100 (Notable)
Big Pines Park Fc83B	United States	Record daily precipitation	118.1 mm (4.6 in)	52 of 100 (Notable)
Lodi	United States	Record daily precipitation	32.5 mm (1.3 in)	52 of 100 (Notable)
Mojave	United States	Record daily precipitation	39.4 mm (1.6 in)	52 of 100 (Notable)
Sierraville Rs	United States	Record daily snowfall	27.9 cm (11.0 in)	52 of 100 (Notable)
Tracy Carbona	United States	Record daily precipitation	47.5 mm (1.9 in)	52 of 100 (Notable)
Ventura	United States	Record daily precipitation	51.6 mm (2.0 in)	52 of 100 (Notable)
Altadena	United States	Record daily precipitation	172.2 mm (6.8 in)	51 of 100 (Notable)
Tehachapi	United States	Record daily precipitation	83.6 mm (3.3 in)	51 of 100 (Notable)
Pioche	United States	Record daily precipitation	38.1 mm (1.5 in)	51 of 100 (Notable)
Darkwater	Australia	Record daily precipitation	77.5 mm (3.1 in)	50 of 100 (Notable)
Boca	United States	Record daily snowfall	22.9 cm (9.0 in)	49 of 100 (Notable)
Santa Ana Fire STN	United States	Record daily precipitation	50.3 mm (2.0 in)	49 of 100 (Notable)
Idria	United States	Record daily precipitation	63.2 mm (2.5 in)	48 of 100 (Notable)
Laguna Beach	United States	Record daily precipitation	56.6 mm (2.2 in)	48 of 100 (Notable)
Spreckels Hwy Brg	United States	Record daily precipitation	40.4 mm (1.6 in)	48 of 100 (Notable)
Sandberg	United States	Record daily precipitation	107.7 mm (4.2 in)	48 of 100 (Notable)
Watsonville Wtr Wks	United States	Record daily precipitation	50.5 mm (2.0 in)	47 of 100 (Notable)
Kern River Ph 1	United States	Record daily precipitation	26.7 mm (1.1 in)	46 of 100 (Notable)
Vincent Fs Fc 120	United States	Record daily precipitation	83.1 mm (3.3 in)	46 of 100 (Notable)
San Clemente Dam	United States	Record daily precipitation	58.2 mm (2.3 in)	45 of 100 (Notable)
San Jose	United States	Record daily precipitation	61.5 mm (2.4 in)	45 of 100 (Notable)
Los Angeles Downtown/Usc	United States	Record daily precipitation	61.7 mm (2.4 in)	45 of 100 (Notable)
Fort Resolution A	Canada	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Cabazon	United States	Record daily precipitation	66.8 mm (2.6 in)	44 of 100 (Notable)
Los Gatos	United States	Record daily precipitation	66.0 mm (2.6 in)	44 of 100 (Notable)
Oxnard	United States	Record daily precipitation	96.0 mm (3.8 in)	44 of 100 (Notable)
Pasadena	United States	Record daily precipitation	141.0 mm (5.6 in)	44 of 100 (Notable)
Truckee Rs	United States	Record daily snowfall	30.5 cm (12.0 in)	44 of 100 (Notable)
Elsinore	United States	Record daily precipitation	26.7 mm (1.1 in)	43 of 100 (Notable)
Walnut Creek 2 ESE	United States	Record daily precipitation	42.7 mm (1.7 in)	43 of 100 (Notable)
Yorba Linda	United States	Record daily precipitation	41.4 mm (1.6 in)	43 of 100 (Notable)
Keremeos	Canada	Record low minimum temperature	-15.0 C (5.0 F)	42 of 100 (Notable)
East Park Rsvr	United States	Record daily precipitation	46.2 mm (1.8 in)	42 of 100 (Notable)
Fairmont	United States	Record daily precipitation	137.7 mm (5.4 in)	42 of 100 (Notable)
Pattiway	United States	Record daily precipitation	31.0 mm (1.2 in)	42 of 100 (Notable)
San Gabriel Fire Dept	United States	Record daily precipitation	113.3 mm (4.5 in)	42 of 100 (Notable)
U C L A	United States	Record daily precipitation	130.3 mm (5.1 in)	42 of 100 (Notable)
Haiwee	United States	Record daily precipitation	34.0 mm (1.3 in)	41 of 100 (Notable)
Santa Monica Pier	United States	Record daily precipitation	106.7 mm (4.2 in)	41 of 100 (Notable)
Tejon Rancho	United States	Record daily precipitation	37.3 mm (1.5 in)	41 of 100 (Notable)
Wallace	United States	Record daily precipitation	59.4 mm (2.3 in)	41 of 100 (Notable)
Davis 2 WSW Exp Farm	United States	Record daily precipitation	56.1 mm (2.2 in)	40 of 100 (Notable)
Lindsay	United States	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)

Counts by Type and Timescale

851 records

Records set or tied on 29 November 1970 by type: Highest daily maximum 147, Lowest daily maximum 65, Highest daily minimum 194, Lowest daily minimum 55, Heaviest daily rainfall 345, Heaviest daily snowfall 34, Deepest snow cover 11.

Records on 29 November 1970 by type
Record type	Records
Highest daily maximum	147
Lowest daily maximum	65
Highest daily minimum	194
Lowest daily minimum	55
Heaviest daily rainfall	345
Heaviest daily snowfall	34
Deepest snow cover	11

Records on 29 November 1970 by timescale: all-time 3, monthly 46, daily 802.

How Much Records Were Beaten By

697 broken records

Margins by which the 697 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

29 November 1970

Top 20 records on 29 November 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 November 1970	Claremont Pomona Clg, US	daily rain	71.4 mm (2.8 in)	63.3 mm (2.5 in)	74 years	69 of 100 (Major)
29 November 1970	Glendora Fc 287B, US	daily rain	91.7 mm (3.6 in)	84.6 mm (3.3 in)	74 years	69 of 100 (Major)
29 November 1970	San Bernardino F S 226, US	daily rain	52.1 mm (2.1 in)	47.0 mm (1.9 in)	74 years	69 of 100 (Major)
29 November 1970	Livermore, US	daily rain	49.5 mm (1.9 in)	35.0 mm (1.4 in)	64 years	65 of 100 (Major)
29 November 1970	Tustin Irvine Rch, US	daily rain	55.9 mm (2.2 in)	53.4 mm (2.1 in)	64 years	65 of 100 (Major)
29 November 1970	Azusa City Park Fc 143, US	daily rain	77.7 mm (3.1 in)	74.1 mm (2.9 in)	56 years	64 of 100 (Major)
29 November 1970	La Mesa, US	daily rain	32.3 mm (1.3 in)	32.3 mm (1.3 in)	70 years	60 of 100 (Major)
29 November 1970	Riverside Fire STN 3, US	daily rain	30.5 mm (1.2 in)	24.9 mm (1.0 in)	74 years	60 of 100 (Major)
29 November 1970	Newport Beach Harbor, US	daily rain	52.1 mm (2.1 in)	48.5 mm (1.9 in)	48 years	59 of 100 (Notable)
29 November 1970	Clarksburg, US	monthly rain	70.1 mm (2.8 in)	31.5 mm (1.2 in)	19 years	58 of 100 (Notable)
29 November 1970	Pomona/Fairplex, US	daily rain	50.8 mm (2.0 in)	45.7 mm (1.8 in)	64 years	57 of 100 (Notable)
29 November 1970	Valyermo Rs, US	daily rain	72.9 mm (2.9 in)	65.3 mm (2.6 in)	36 years	56 of 100 (Notable)
29 November 1970	San Jacinto, US	daily rain	35.6 mm (1.4 in)	25.9 mm (1.0 in)	74 years	54 of 100 (Notable)
29 November 1970	Marble Bar Comparison, AU	daily rain	29.5 mm (1.2 in)	26.5 mm (1.0 in)	56 years	53 of 100 (Notable)
29 November 1970	Arroyo Seco Rng STN Fc, US	daily rain	150.6 mm (5.9 in)	149.6 mm (5.9 in)	28 years	53 of 100 (Notable)
29 November 1970	Corona, US	daily rain	45.7 mm (1.8 in)	42.7 mm (1.7 in)	24 years	53 of 100 (Notable)
29 November 1970	Santa Paula, US	monthly rain	128.0 mm (5.0 in)	57.9 mm (2.3 in)	5 years	53 of 100 (Notable)
29 November 1970	Big Pines Park Fc83B, US	daily rain	118.1 mm (4.6 in)	107.2 mm (4.2 in)	28 years	52 of 100 (Notable)
29 November 1970	Lodi, US	daily rain	32.5 mm (1.3 in)	19.8 mm (0.8 in)	74 years	52 of 100 (Notable)
29 November 1970	Mojave, US	daily rain	39.4 mm (1.6 in)	35.8 mm (1.4 in)	28 years	52 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 851 records.

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

Records on 11-29 in each year
Year	Records
1797	2
1806	1
1807	2
1808	1
1815	2
1817	1
1822	1
1825	2
1827	2
1828	2
1836	1
1838	1
1849	2
1850	2
1851	1
1871	2
1874	1
1875	4
1876	1
1877	1
1878	1
1881	1
1883	1
1884	1
1885	3
1887	2
1888	1
1889	2
1890	2
1891	2
1892	3
1893	4
1896	1
1897	2
1898	4
1899	7
1900	5
1901	3
1902	8
1903	19
1904	7
1905	44
1906	27
1907	8
1908	14
1909	25
1910	28
1911	14
1912	15
1913	44
1914	32
1915	51
1916	61
1917	46
1918	15
1919	66
1920	70
1921	31
1922	31
1923	86
1924	59
1925	85
1926	92
1927	649
1928	88
1929	665
1930	439
1931	217
1932	413
1933	669
1934	612
1935	176
1936	87
1937	231
1938	288
1939	281
1940	321
1941	485
1942	428
1943	187
1944	198
1945	342
1946	294
1947	371
1948	618
1949	655
1950	586
1951	173
1952	815
1953	244
1954	320
1955	1,121
1956	379
1957	327
1958	927
1959	565
1960	426
1961	289
1962	611
1963	539
1964	797
1965	241
1966	807
1967	391
1968	526
1969	596
1970	851
1971	1,107
1972	367
1973	747
1974	497
1975	1,617
1976	2,199
1977	1,266
1978	612
1979	811
1980	665
1981	674
1982	795
1983	1,457
1984	642
1985	2,683
1986	817
1987	1,070
1988	629
1989	636
1990	924
1991	1,304
1992	669
1993	816
1994	1,023
1995	1,225
1996	1,308
1997	1,338
1998	2,529
1999	946
2000	882
2001	2,082
2002	1,080
2003	752
2004	1,227
2005	1,288
2006	1,998
2007	538
2008	1,004
2009	652
2010	1,659
2011	1,335
2012	927
2013	528
2014	1,138
2015	720
2016	692
2017	358
2018	803
2019	973
2020	271
2021	1,202
2022	648
2023	787
2024	465
2025	756

Download the Data

Data for records on 1970-11-29: 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	665
50 to 100	21
100 to 150	6
150 to 200	1
200 to 250	3
250 to 300	1