Weather Records on 20 December 1930

67 weather records were set or tied worldwide on 20 December 1930. Highest significance: Tashkent, UZ.

Key Facts for 20 December 1930

On 20 December 1930, 67 weather records were set or tied at long-record stations worldwide.
14 were record highs and 18 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 2 monthly and 64 daily.
Tashkent set an all-time record low minimum temperature of -29.5 C (-21.1 F) on 20 December 1930.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 470 records.

Record Map

67 stations

67 station records on 20 December 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tashkent	Uzbekistan	Record low minimum temperature	-29.5 C (-21.1 F)	36 of 100 (Notable)
Booroondara Tank	Australia	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Salisbury	United States	Record snow depth	20.3 cm (8.0 in)	34 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record low minimum temperature	-0.4 C (31.3 F)	32 of 100 (Routine)
Deer Park Sf	United States	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Mt Airy 2 W	United States	Record snow depth	20.3 cm (8.0 in)	28 of 100 (Routine)
Bic	Canada	Record daily snowfall	20.3 cm (8.0 in)	27 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	-15.5 C (4.1 F)	24 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record daily precipitation	27.0 mm (1.1 in)	23 of 100 (Routine)
Granite Reef Dam	United States	Record low minimum temperature	-6.7 C (19.9 F)	23 of 100 (Routine)
Walgett Council Depot	Australia	Record low minimum temperature	11.7 C (53.1 F)	21 of 100 (Routine)
Corning	United States	Record snow depth	43.2 cm (17.0 in)	21 of 100 (Routine)
Park Rapids Muni AP	United States	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record daily precipitation	24.0 mm (0.9 in)	20 of 100 (Routine)
Bic	Canada	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Viljujsk	Russia	Record daily precipitation	3.4 mm (0.13 in)	20 of 100 (Routine)
Jumping Sand Hill Well	Australia	Record daily precipitation	4.8 mm (0.19 in)	20 of 100 (Routine)
Chicoutimi	Canada	Record high minimum temperature	-2.2 C (28.0 F)	19 of 100 (Routine)
Briksdal	Norway	Record daily precipitation	29.7 mm (1.2 in)	19 of 100 (Routine)
Ruffy	Australia	Record daily precipitation	25.4 mm (1.0 in)	18 of 100 (Routine)
Victoria River Downs	Australia	Record daily precipitation	17.3 mm (0.7 in)	16 of 100 (Routine)
Oskaloosa	United States	Record daily snowfall	0.8 cm (0.3 in)	15 of 100 (Routine)
Moorefield 1 SSE	United States	Record daily precipitation	12.2 mm (0.5 in)	15 of 100 (Routine)
Pincher Creek Town	Canada	Record high maximum temperature	10.0 C (50.0 F)	14 of 100 (Routine)
Delta	United States	Record low maximum temperature	-6.7 C (19.9 F)	14 of 100 (Routine)
Cornwall	United States	Record daily precipitation	10.2 mm (0.4 in)	14 of 100 (Routine)
Le Mars	United States	Record daily snowfall	0.3 cm (0.1 in)	13 of 100 (Routine)
Farmington	United States	Record high minimum temperature	-1.7 C (28.9 F)	13 of 100 (Routine)
Lewisburg	United States	Record daily snowfall	7.6 cm (3.0 in)	12 of 100 (Routine)
Port Said	Egypt	Record high minimum temperature	18.0 C (64.4 F)	11 of 100 (Routine)
Storlien	Sweden	Record high maximum temperature	5.0 C (41.0 F)	11 of 100 (Routine)
Mesa	United States	Record low minimum temperature	-7.2 C (19.0 F)	11 of 100 (Routine)
Nevada City	United States	Record low minimum temperature	-8.3 C (17.1 F)	11 of 100 (Routine)
Lake Moraine	United States	Record low minimum temperature	-25.6 C (-14.1 F)	11 of 100 (Routine)
Eustis 2 S	United States	Record daily precipitation	18.5 mm (0.7 in)	11 of 100 (Routine)
Provincetown 3 NW	United States	Record daily precipitation	14.0 mm (0.6 in)	11 of 100 (Routine)
Towanda 1 S	United States	Record daily snowfall	6.1 cm (2.4 in)	11 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record low minimum temperature	-17.4 C (0.7 F)	10 of 100 (Routine)
Moncton	Canada	Record daily precipitation	17.8 mm (0.7 in)	9 of 100 (Routine)
Logan 1 WNW	United States	Record snow depth	76.2 cm (30.0 in)	9 of 100 (Routine)
Larimore 4SW	United States	Record daily precipitation	5.1 mm (0.20 in)	9 of 100 (Routine)
Cap Chat	Canada	Record daily precipitation	12.7 mm (0.5 in)	8 of 100 (Routine)
Cap Chat	Canada	Record daily snowfall	12.7 cm (5.0 in)	8 of 100 (Routine)
Przhevalsk	Kyrgyzstan	Record daily precipitation	4.6 mm (0.18 in)	8 of 100 (Routine)
Bajramaly	Turkmenistan	Record low minimum temperature	-20.5 C (-4.9 F)	8 of 100 (Routine)
Buckeye	United States	Record low minimum temperature	-7.8 C (18.0 F)	8 of 100 (Routine)
Sussex 1 NW	United States	Record daily snowfall	6.4 cm (2.5 in)	8 of 100 (Routine)
Vardoe	Norway	Record low minimum temperature	-14.4 C (6.1 F)	7 of 100 (Routine)
Merced	United States	Record low minimum temperature	-5.0 C (23.0 F)	7 of 100 (Routine)
Adavale	Australia	Record daily precipitation	5.1 mm (0.20 in)	5 of 100 (Routine)
Fredericton Unb	Canada	Record daily snowfall	11.4 cm (4.5 in)	5 of 100 (Routine)
Storlien	Sweden	Record high minimum temperature	0.0 C (32.0 F)	5 of 100 (Routine)
Blackville 3 W	United States	Record daily precipitation	26.2 mm (1.0 in)	5 of 100 (Routine)
Port Said	Egypt	Record high maximum temperature	22.0 C (71.6 F)	3 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high maximum temperature	6.0 C (42.8 F)	3 of 100 (Routine)
Marianna Sch For Boys	United States	Record low maximum temperature	7.8 C (46.0 F)	3 of 100 (Routine)
Clayoquot	Canada	Record high maximum temperature	11.7 C (53.1 F)	2 of 100 (Routine)
Masset Airport	Canada	Record high minimum temperature	4.4 C (39.9 F)	2 of 100 (Routine)
Williamstown	United States	Record high minimum temperature	-1.1 C (30.0 F)	2 of 100 (Routine)
Cle Elum	United States	Record high maximum temperature	8.9 C (48.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

67 records

Records set or tied on 20 December 1930 by type: Highest daily maximum 6, Lowest daily maximum 3, Highest daily minimum 8, Lowest daily minimum 15, Heaviest daily rainfall 23, Heaviest daily snowfall 8, Deepest snow cover 4.

Records on 20 December 1930 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	3
Highest daily minimum	8
Lowest daily minimum	15
Heaviest daily rainfall	23
Heaviest daily snowfall	8
Deepest snow cover	4

Records on 20 December 1930 by timescale: all-time 1, monthly 2, daily 64.

How Much Records Were Beaten By

53 broken records

Margins by which the 53 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

20 December 1930

Top 20 records on 20 December 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 1930	Tashkent, UZ	all-time low min	-29.5 C (-21.1 F)	1.5 C (2.7 F)	30 years	36 of 100 (Notable)
20 December 1930	Booroondara Tank, AU	daily rain	25.9 mm (1.0 in)	25.9 mm (1.0 in)	38 years	35 of 100 (Notable)
20 December 1930	Salisbury, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	36 years	34 of 100 (Routine)
20 December 1930	Nuwara Eliya, LK	daily low min	-0.4 C (31.3 F)	3.2 C (5.8 F)	53 years	32 of 100 (Routine)
20 December 1930	Deer Park Sf, US	monthly rain	45.7 mm (1.8 in)	10.1 mm (0.4 in)	1 year	30 of 100 (Routine)
20 December 1930	Mt Airy 2 W, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	13 years	28 of 100 (Routine)
20 December 1930	Bic, CA	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	12 years	27 of 100 (Routine)
20 December 1930	Tashkent, UZ	daily low max	-15.5 C (4.1 F)	12.7 C (22.9 F)	0 years	24 of 100 (Routine)
20 December 1930	Oran-Hopital Militaire, DZ	daily rain	27.0 mm (1.1 in)	8.5 mm (0.33 in)	28 years	23 of 100 (Routine)
20 December 1930	Granite Reef Dam, US	monthly low min	-6.7 C (19.9 F)	1.1 C (2.0 F)	29 years	23 of 100 (Routine)
20 December 1930	Walgett Council Depot, AU	daily low min	11.7 C (53.1 F)	1.6 C (2.9 F)	45 years	21 of 100 (Routine)
20 December 1930	Corning, US	daily snow depth	43.2 cm (17.0 in)	43.2 cm (17.0 in)	33 years	21 of 100 (Routine)
20 December 1930	Park Rapids Muni AP, US	daily rain	10.2 mm (0.4 in)	7.7 mm (0.30 in)	17 years	20 of 100 (Routine)
20 December 1930	Orleansville (Chlef), DZ	daily rain	24.0 mm (0.9 in)	10.2 mm (0.4 in)	30 years	20 of 100 (Routine)
20 December 1930	Bic, CA	daily rain	20.3 mm (0.8 in)	12.7 mm (0.5 in)	12 years	20 of 100 (Routine)
20 December 1930	Viljujsk, RU	daily rain	3.4 mm (0.13 in)	1.9 mm (0.07 in)	30 years	20 of 100 (Routine)
20 December 1930	Jumping Sand Hill Well, AU	daily rain	4.8 mm (0.19 in)	4.8 mm (0.19 in)	41 years	20 of 100 (Routine)
20 December 1930	Chicoutimi, CA	daily high min	-2.2 C (28.0 F)	0.6 C (1.1 F)	48 years	19 of 100 (Routine)
20 December 1930	Briksdal, NO	daily rain	29.7 mm (1.2 in)	14.1 mm (0.6 in)	17 years	19 of 100 (Routine)
20 December 1930	Ruffy, AU	daily rain	25.4 mm (1.0 in)	6.3 mm (0.25 in)	28 years	18 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 1930

Records set or tied on this calendar date in each year from 1793 to 1930. 1930 had 67 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 1930-12-20: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Histogram of margins by which records were beaten on 20 December 1930
Margin	Records
0 to 100	48
100 to 200	2
200 to 300	1
300 to 400	1
400 to 500	1