Weather Records on 20 December 1969

514 weather records were set or tied worldwide on 20 December 1969. Highest significance: Berkeley, US.

Key Facts for 20 December 1969

On 20 December 1969, 514 weather records were set or tied at long-record stations worldwide.
202 were record highs and 79 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 26 monthly and 487 daily.
Berkeley set a daily record precipitation of 77.7 mm (3.1 in) on 20 December 1969.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 467 records.

Record Map

514 stations

514 station records on 20 December 1969 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 1969: highest significance records shown on the map
Station	Country	Type	Value	Significance
Berkeley	United States	Record daily precipitation	77.7 mm (3.1 in)	61 of 100 (Major)
Crockett	United States	Record daily precipitation	69.1 mm (2.7 in)	53 of 100 (Notable)
San Francisco Dwtn	United States	Record daily precipitation	63.2 mm (2.5 in)	46 of 100 (Notable)
Vacaville	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Elliott	United States	Record daily precipitation	53.1 mm (2.1 in)	42 of 100 (Notable)
Saint Helena	United States	Record daily precipitation	76.5 mm (3.0 in)	42 of 100 (Notable)
Freeland	United States	Record daily snowfall	25.4 cm (10.0 in)	42 of 100 (Notable)
Regensburg	Germany	Record low maximum temperature	-9.7 C (14.5 F)	40 of 100 (Notable)
Wallace	United States	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
W Pt	United States	Record daily precipitation	62.0 mm (2.4 in)	39 of 100 (Notable)
Hamilton Af Base	United States	Record daily precipitation	70.1 mm (2.8 in)	39 of 100 (Notable)
Graton	United States	Record daily precipitation	94.7 mm (3.7 in)	38 of 100 (Notable)
Bamberg	Germany	Record low maximum temperature	-10.2 C (13.6 F)	37 of 100 (Notable)
Freiburg	Germany	Record snow depth	13.0 cm (5.1 in)	37 of 100 (Notable)
Augsburg (Sankt Stephan)	Germany	Record snow depth	31.0 cm (12.2 in)	36 of 100 (Notable)
Heinersreuth-Vollhof	Germany	Record low maximum temperature	-10.2 C (13.6 F)	35 of 100 (Notable)
Zerbst	Germany	Record snow depth	20.0 cm (7.9 in)	34 of 100 (Routine)
Kentfield	United States	Record daily precipitation	118.1 mm (4.6 in)	34 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record snow depth	16.0 cm (6.3 in)	32 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record low minimum temperature	-28.5 C (-19.3 F)	32 of 100 (Routine)
Martinez Fire STN	United States	Record daily precipitation	76.2 mm (3.0 in)	32 of 100 (Routine)
Denair 3 NNE	United States	Record high maximum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Hanford 1 S	United States	Record high maximum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Austin #2	United States	Record high minimum temperature	3.3 C (37.9 F)	31 of 100 (Routine)
Wien	Austria	Record snow depth	33.0 cm (13.0 in)	30 of 100 (Routine)
Hohenpeissenberg	Germany	Record snow depth	69.0 cm (27.2 in)	30 of 100 (Routine)
Manati 2 E	Puerto Rico [United States]	Record low maximum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Camp Pardee	United States	Record daily precipitation	40.4 mm (1.6 in)	30 of 100 (Routine)
Sveg	Sweden	Record low maximum temperature	-30.0 C (-22.0 F)	29 of 100 (Routine)
Bowman Dam	United States	Record daily precipitation	71.9 mm (2.8 in)	29 of 100 (Routine)
Fall Rvr Mills	United States	Record daily precipitation	30.5 mm (1.2 in)	29 of 100 (Routine)
Ketchikan AP	United States	Record high maximum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Nome AP	United States	Record high maximum temperature	6.1 C (43.0 F)	29 of 100 (Routine)
Harrietville	Australia	Record daily precipitation	26.4 mm (1.0 in)	28 of 100 (Routine)
Kaliningrad	Russia	Record low minimum temperature	-24.8 C (-12.6 F)	28 of 100 (Routine)
Le Grand	United States	Record high maximum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Lodi	United States	Record daily precipitation	37.3 mm (1.5 in)	28 of 100 (Routine)
Border 3 N	United States	Record high minimum temperature	-1.1 C (30.0 F)	28 of 100 (Routine)
Pahala 21	United States	Record low minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Cicero Dantas	Brazil	Record daily precipitation	41.2 mm (1.6 in)	27 of 100 (Routine)
Magdeburg	Germany	Record snow depth	20.0 cm (7.9 in)	27 of 100 (Routine)
Newman	United States	Record high maximum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Plauen	Germany	Record low maximum temperature	-12.8 C (9.0 F)	26 of 100 (Routine)
Sveg	Sweden	Record low minimum temperature	-34.7 C (-30.5 F)	26 of 100 (Routine)
Sonora	United States	Record daily precipitation	44.5 mm (1.8 in)	26 of 100 (Routine)
Walnut Creek 2 ESE	United States	Record daily precipitation	62.7 mm (2.5 in)	26 of 100 (Routine)
Moosehead	United States	Record daily snowfall	24.1 cm (9.5 in)	26 of 100 (Routine)
Neumunster	Germany	Record snow depth	16.0 cm (6.3 in)	25 of 100 (Routine)
Chemnitz	Germany	Record low maximum temperature	-11.9 C (10.6 F)	25 of 100 (Routine)
Manila	United States	Record high maximum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Jena Sternwarte	Germany	Record snow depth	21.0 cm (8.3 in)	24 of 100 (Routine)
Garsebach Bei Meissen	Germany	Record snow depth	17.0 cm (6.7 in)	24 of 100 (Routine)
Bad Blankenburg	Germany	Record snow depth	21.0 cm (8.3 in)	24 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record low maximum temperature	-24.7 C (-12.5 F)	24 of 100 (Routine)
Dobbins Colgate Foreba	United States	Record daily precipitation	45.7 mm (1.8 in)	24 of 100 (Routine)
Stockton Fire STN 4	United States	Record daily precipitation	32.3 mm (1.3 in)	24 of 100 (Routine)
Little Falls 2NNE	United States	Record snow depth	55.9 cm (22.0 in)	24 of 100 (Routine)
Itaporanga Dajuda	Brazil	Record daily precipitation	36.7 mm (1.4 in)	23 of 100 (Routine)
Kirchdorf/Poel	Germany	Record low maximum temperature	-5.2 C (22.6 F)	23 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record snow depth	21.0 cm (8.3 in)	23 of 100 (Routine)

Counts by Type and Timescale

514 records

Records set or tied on 20 December 1969 by type: Highest daily maximum 69, Lowest daily maximum 43, Highest daily minimum 133, Lowest daily minimum 36, Heaviest daily rainfall 186, Heaviest daily snowfall 13, Deepest snow cover 34.

Records on 20 December 1969 by type
Record type	Records
Highest daily maximum	69
Lowest daily maximum	43
Highest daily minimum	133
Lowest daily minimum	36
Heaviest daily rainfall	186
Heaviest daily snowfall	13
Deepest snow cover	34

Records on 20 December 1969 by timescale: all-time 1, monthly 26, daily 487.

How Much Records Were Beaten By

413 broken records

Margins by which the 413 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

20 December 1969

Top 20 records on 20 December 1969 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 1969	Berkeley, US	daily rain	77.7 mm (3.1 in)	55.3 mm (2.2 in)	48 years	61 of 100 (Major)
20 December 1969	Crockett, US	daily rain	69.1 mm (2.7 in)	38.6 mm (1.5 in)	44 years	53 of 100 (Notable)
20 December 1969	San Francisco Dwtn, US	daily rain	63.2 mm (2.5 in)	41.4 mm (1.6 in)	22 years	46 of 100 (Notable)
20 December 1969	Vacaville, US	daily rain	63.5 mm (2.5 in)	25.1 mm (1.0 in)	74 years	43 of 100 (Notable)
20 December 1969	Elliott, US	daily rain	53.1 mm (2.1 in)	32.5 mm (1.3 in)	16 years	42 of 100 (Notable)
20 December 1969	Saint Helena, US	daily rain	76.5 mm (3.0 in)	54.9 mm (2.2 in)	38 years	42 of 100 (Notable)
20 December 1969	Freeland, US	daily snowfall	25.4 cm (10.0 in)	16.5 cm (6.5 in)	24 years	42 of 100 (Notable)
20 December 1969	Regensburg, DE	daily low max	-9.7 C (14.5 F)	2.4 C (4.3 F)	89 years	40 of 100 (Notable)
20 December 1969	Wallace, US	daily rain	45.7 mm (1.8 in)	28.4 mm (1.1 in)	36 years	40 of 100 (Notable)
20 December 1969	W Pt, US	daily rain	62.0 mm (2.4 in)	18.1 mm (0.7 in)	70 years	39 of 100 (Notable)
20 December 1969	Hamilton Af Base, US	daily rain	70.1 mm (2.8 in)	51.6 mm (2.0 in)	26 years	39 of 100 (Notable)
20 December 1969	Graton, US	daily rain	94.7 mm (3.7 in)	64.0 mm (2.5 in)	22 years	38 of 100 (Notable)
20 December 1969	Bamberg, DE	daily low max	-10.2 C (13.6 F)	1.1 C (2.0 F)	89 years	37 of 100 (Notable)
20 December 1969	Freiburg, DE	daily snow depth	13.0 cm (5.1 in)	5.0 cm (2.0 in)	52 years	37 of 100 (Notable)
20 December 1969	Augsburg (Sankt Stephan), DE	daily snow depth	31.0 cm (12.2 in)	9.0 cm (3.5 in)	63 years	36 of 100 (Notable)
20 December 1969	Heinersreuth-Vollhof, DE	daily low max	-10.2 C (13.6 F)	0.4 C (0.7 F)	89 years	35 of 100 (Notable)
20 December 1969	Zerbst, DE	daily snow depth	20.0 cm (7.9 in)	8.0 cm (3.1 in)	32 years	34 of 100 (Routine)
20 December 1969	Kentfield, US	daily rain	118.1 mm (4.6 in)	62.5 mm (2.5 in)	16 years	34 of 100 (Routine)
20 December 1969	Doberlug-Kirchhain, DE	monthly snow depth	16.0 cm (6.3 in)	1.0 cm (0.4 in)	42 years	32 of 100 (Routine)
20 December 1969	Oestersund-Froesoen, SE	daily low min	-28.5 C (-19.3 F)	0.5 C (0.9 F)	82 years	32 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

1793 to 1969

Records set or tied on this calendar date in each year from 1793 to 1969. 1969 had 514 records.

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

Records on 12-20 in each year
Year	Records
1793	1
1795	1
1804	1
1805	2
1808	1
1815	1
1828	1
1837	1
1846	1
1855	8
1858	1
1860	1
1866	1
1867	1
1868	1
1869	1
1871	2
1874	3
1875	1
1877	2
1878	1
1879	1
1880	1
1881	1
1882	1
1884	4
1885	1
1886	4
1889	4
1890	2
1891	2
1892	1
1894	2
1895	8
1896	1
1897	4
1898	2
1899	1
1900	7
1901	8
1902	14
1903	17
1904	9
1905	5
1906	5
1907	11
1908	5
1909	22
1910	17
1911	24
1912	27
1913	7
1914	43
1915	18
1916	45
1917	33
1918	18
1919	25
1920	22
1921	101
1922	88
1923	215
1924	332
1925	96
1926	163
1927	200
1928	93
1929	256
1930	67
1931	536
1932	170
1933	492
1934	265
1935	152
1936	416
1937	181
1938	240
1939	308
1940	965
1941	633
1942	817
1943	193
1944	340
1945	430
1946	327
1947	385
1948	345
1949	1,141
1950	758
1951	926
1952	394
1953	385
1954	416
1955	726
1956	471
1957	1,354
1958	382
1959	142
1960	354
1961	369
1962	475
1963	875
1964	499
1965	353
1966	555
1967	1,370
1968	482
1969	514
1970	518
1971	441
1972	448
1973	1,184
1974	328
1975	610
1976	382
1977	484
1978	910
1979	600
1980	667
1981	1,681
1982	712
1983	2,995
1984	1,411
1985	1,035
1986	321
1987	1,179
1988	760
1989	1,812
1990	1,885
1991	1,172
1992	1,134
1993	1,266
1994	813
1995	1,128
1996	1,448
1997	651
1998	1,110
1999	938
2000	1,150
2001	523
2002	943
2003	1,315
2004	836
2005	515
2006	1,387
2007	986
2008	1,356
2009	1,502
2010	2,055
2011	846
2012	1,131
2013	584
2014	524
2015	1,238
2016	603
2017	688
2018	592
2019	731
2020	554
2021	442
2022	567
2023	1,242
2024	897
2025	1,166

Download the Data

Data for records on 1969-12-20: 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	391
50 to 100	17
100 to 150	2
150 to 200	2
200 to 250	1