Weather Records on 12 December 1930

45 weather records were set or tied worldwide on 12 December 1930. Highest significance: Geryville (El-Bayadh), DZ.

Key Facts for 12 December 1930

On 12 December 1930, 45 weather records were set or tied at long-record stations worldwide.
26 were record highs and 4 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 42 daily.
Geryville (El-Bayadh) set a daily record high minimum temperature of 9.0 C (48.2 F) on 12 December 1930.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 471 records.

Record Map

45 stations

45 station records on 12 December 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 December 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
Geryville (El-Bayadh)	Algeria	Record high minimum temperature	9.0 C (48.2 F)	30 of 100 (Routine)
Biskra	Algeria	Record high minimum temperature	17.0 C (62.6 F)	26 of 100 (Routine)
Masset Airport	Canada	Record daily precipitation	41.1 mm (1.6 in)	25 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record high minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Granite Reef Dam	United States	Record high maximum temperature	30.6 C (87.1 F)	21 of 100 (Routine)
Umea	Sweden	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Constantine	Algeria	Record daily precipitation	19.0 mm (0.7 in)	19 of 100 (Routine)
Oracle	United States	Record high maximum temperature	22.8 C (73.0 F)	19 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record high minimum temperature	17.0 C (62.6 F)	18 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	-3.3 C (26.1 F)	18 of 100 (Routine)
Laghouat	Algeria	Record high minimum temperature	13.0 C (55.4 F)	17 of 100 (Routine)
Holmogadd A	Sweden	Record daily precipitation	12.2 mm (0.5 in)	16 of 100 (Routine)
Port Lincoln	Australia	Record high minimum temperature	18.3 C (64.9 F)	14 of 100 (Routine)
Kazan	Russia	Record daily precipitation	4.0 mm (0.16 in)	14 of 100 (Routine)
Clanton	United States	Record daily precipitation	11.4 mm (0.4 in)	14 of 100 (Routine)
Odesa	Ukraine	Record daily precipitation	12.1 mm (0.5 in)	13 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record high maximum temperature	21.0 C (69.8 F)	11 of 100 (Routine)
Frome Downs	Australia	Record daily precipitation	14.2 mm (0.6 in)	11 of 100 (Routine)
Ft Duchesne	United States	Record low minimum temperature	-23.3 C (-9.9 F)	11 of 100 (Routine)
Broome Post Office	Australia	Record low minimum temperature	22.2 C (72.0 F)	10 of 100 (Routine)
Wilbur	United States	Record daily snowfall	5.1 cm (2.0 in)	10 of 100 (Routine)
Setif	Algeria	Record high minimum temperature	8.0 C (46.4 F)	9 of 100 (Routine)
Quebec	Canada	Record daily snowfall	12.7 cm (5.0 in)	9 of 100 (Routine)
Broome Post Office	Australia	Record daily precipitation	45.0 mm (1.8 in)	7 of 100 (Routine)
Cambrai (Kongolia)	Australia	Record daily precipitation	5.6 mm (0.22 in)	7 of 100 (Routine)
Timovskoe	Russia	Record daily precipitation	6.8 mm (0.27 in)	6 of 100 (Routine)
Wyndham Port	Australia	Record daily precipitation	21.3 mm (0.8 in)	5 of 100 (Routine)
Bella Coola	Canada	Record high maximum temperature	11.7 C (53.1 F)	5 of 100 (Routine)
Amenia	United States	Record high minimum temperature	-6.1 C (21.0 F)	5 of 100 (Routine)
Wilbur	United States	Record daily precipitation	4.6 mm (0.18 in)	4 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	15.0 C (59.0 F)	3 of 100 (Routine)
Sfax El-Maou	Tunisia	Record high minimum temperature	12.0 C (53.6 F)	3 of 100 (Routine)
Somerville 4 NW	United States	Record high minimum temperature	4.4 C (39.9 F)	3 of 100 (Routine)
Constantine	Algeria	Record high minimum temperature	10.0 C (50.0 F)	2 of 100 (Routine)
Linkoeping-Malmslaett	Sweden	Record high minimum temperature	3.0 C (37.4 F)	2 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	-1.5 C (29.3 F)	2 of 100 (Routine)
Tunis	Tunisia	Record high minimum temperature	12.0 C (53.6 F)	2 of 100 (Routine)
Oconto 4 W	United States	Record high minimum temperature	-0.6 C (30.9 F)	2 of 100 (Routine)
Steveston	Canada	Record high maximum temperature	11.1 C (52.0 F)	1 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high minimum temperature	-3.3 C (26.1 F)	1 of 100 (Routine)
Port Said	Egypt	Record high maximum temperature	24.0 C (75.2 F)	1 of 100 (Routine)
Elsinore	United States	Record high maximum temperature	26.7 C (80.1 F)	1 of 100 (Routine)
Veedersburg	United States	Record high minimum temperature	2.8 C (37.0 F)	1 of 100 (Routine)
Moxley	United States	Record low minimum temperature	-9.4 C (15.1 F)	1 of 100 (Routine)
Farmington	United States	Record low maximum temperature	0.0 C (32.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

45 records

Records set or tied on 12 December 1930 by type: Highest daily maximum 7, Lowest daily maximum 1, Highest daily minimum 19, Lowest daily minimum 3, Heaviest daily rainfall 13, Heaviest daily snowfall 2.

Records on 12 December 1930 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	1
Highest daily minimum	19
Lowest daily minimum	3
Heaviest daily rainfall	13
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 12 December 1930 by timescale: all-time 0, monthly 3, daily 42.

How Much Records Were Beaten By

30 broken records

Margins by which the 30 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.7. Ties are not counted.

Top 20 by Significance

12 December 1930

Top 20 records on 12 December 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1930	Geryville (El-Bayadh), DZ	daily high min	9.0 C (48.2 F)	5.0 C (9.0 F)	37 years	30 of 100 (Routine)
12 December 1930	Biskra, DZ	daily high min	17.0 C (62.6 F)	4.0 C (7.2 F)	27 years	26 of 100 (Routine)
12 December 1930	Masset Airport, CA	daily rain	41.1 mm (1.6 in)	15.7 mm (0.6 in)	12 years	25 of 100 (Routine)
12 December 1930	Orleansville (Chlef), DZ	monthly high min	15.0 C (59.0 F)	1.0 C (1.8 F)	23 years	23 of 100 (Routine)
12 December 1930	Granite Reef Dam, US	monthly high max	30.6 C (87.1 F)	2.3 C (4.1 F)	12 years	21 of 100 (Routine)
12 December 1930	Umea, SE	daily rain	15.7 mm (0.6 in)	6.2 mm (0.24 in)	17 years	20 of 100 (Routine)
12 December 1930	Constantine, DZ	daily rain	19.0 mm (0.7 in)	7.4 mm (0.29 in)	20 years	19 of 100 (Routine)
12 December 1930	Oracle, US	daily high max	22.8 C (73.0 F)	2.8 C (5.0 F)	36 years	19 of 100 (Routine)
12 December 1930	Algiers-Ville/Universite, DZ	daily high min	17.0 C (62.6 F)	3.0 C (5.4 F)	4 years	18 of 100 (Routine)
12 December 1930	Prince Albert, CA	daily high min	-3.3 C (26.1 F)	3.4 C (6.1 F)	38 years	18 of 100 (Routine)
12 December 1930	Laghouat, DZ	monthly high min	13.0 C (55.4 F)	1.0 C (1.8 F)	1 year	17 of 100 (Routine)
12 December 1930	Holmogadd A, SE	daily rain	12.2 mm (0.5 in)	3.9 mm (0.15 in)	4 years	16 of 100 (Routine)
12 December 1930	Port Lincoln, AU	daily high min	18.3 C (64.9 F)	0.4 C (0.7 F)	35 years	14 of 100 (Routine)
12 December 1930	Kazan, RU	daily rain	4.0 mm (0.16 in)	0.3 mm (0.01 in)	28 years	14 of 100 (Routine)
12 December 1930	Clanton, US	daily rain	11.4 mm (0.4 in)	3.8 mm (0.15 in)	32 years	14 of 100 (Routine)
12 December 1930	Odesa, UA	daily rain	12.1 mm (0.5 in)	0.7 mm (0.03 in)	28 years	13 of 100 (Routine)
12 December 1930	Orleansville (Chlef), DZ	daily high max	21.0 C (69.8 F)	1.0 C (1.8 F)	16 years	11 of 100 (Routine)
12 December 1930	Frome Downs, AU	daily rain	14.2 mm (0.6 in)	2.3 mm (0.09 in)	21 years	11 of 100 (Routine)
12 December 1930	Ft Duchesne, US	daily low min	-23.3 C (-9.9 F)	1.1 C (2.0 F)	20 years	11 of 100 (Routine)
12 December 1930	Broome Post Office, AU	daily low min	22.2 C (72.0 F)	0.6 C (1.1 F)	16 years	10 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

1796 to 1930

Records set or tied on this calendar date in each year from 1796 to 1930. 1930 had 45 records.

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

Records on 12-12 in each year
Year	Records
1796	2
1798	1
1802	1
1808	2
1814	1
1825	2
1831	1
1835	2
1846	1
1855	2
1861	1
1863	3
1870	2
1871	5
1873	2
1879	2
1882	3
1887	1
1889	1
1891	2
1892	2
1893	8
1894	3
1895	1
1896	4
1897	3
1898	20
1899	11
1900	5
1901	4
1902	7
1903	18
1904	20
1905	10
1906	14
1907	8
1908	25
1909	20
1910	39
1911	104
1912	53
1913	20
1914	19
1915	46
1916	115
1917	246
1918	33
1919	23
1920	41
1921	63
1922	61
1923	91
1924	130
1925	75
1926	143
1927	335
1928	234
1929	405
1930	45
1931	522
1932	813
1933	358
1934	430
1935	266
1936	142
1937	468
1938	103
1939	418
1940	621
1941	260
1942	257
1943	165
1944	688
1945	212
1946	761
1947	295
1948	282
1949	789
1950	364
1951	175
1952	501
1953	288
1954	696
1955	381
1956	441
1957	1,118
1958	884
1959	464
1960	710
1961	1,481
1962	1,495
1963	439
1964	459
1965	1,045
1966	369
1967	565
1968	727
1969	499
1970	366
1971	585
1972	1,669
1973	397
1974	191
1975	492
1976	319
1977	907
1978	382
1979	1,016
1980	583
1981	734
1982	867
1983	816
1984	808
1985	1,384
1986	408
1987	468
1988	1,030
1989	930
1990	676
1991	1,980
1992	818
1993	887
1994	1,172
1995	2,030
1996	1,391
1997	869
1998	1,103
1999	952
2000	2,510
2001	700
2002	683
2003	537
2004	727
2005	769
2006	886
2007	1,315
2008	1,424
2009	818
2010	1,501
2011	621
2012	684
2013	646
2014	1,040
2015	1,496
2016	530
2017	808
2018	256
2019	418
2020	507
2021	441
2022	767
2023	544
2024	328
2025	1,485

Download the Data

Data for records on 1930-12-12: 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).

Margin	Records
0 to 2	16
2 to 4	7
4 to 6	2
6 to 8	2
8 to 10	0
10 to 12	1
12 to 14	1
14 to 16	1