Weather Records on 12 December 1979

1,016 weather records were set or tied worldwide on 12 December 1979. Highest significance: Hamlin 1SW, US.

Key Facts for 12 December 1979

On 12 December 1979, 1,016 weather records were set or tied at long-record stations worldwide.
654 were record highs and 57 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 60 monthly and 956 daily.
Hamlin 1SW set a daily record precipitation of 29.7 mm (1.2 in) on 12 December 1979.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 465 records.

Record Map

1,016 stations

1,016 station records on 12 December 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 December 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hamlin 1SW	United States	Record daily precipitation	29.7 mm (1.2 in)	53 of 100 (Notable)
Marathon	United States	Record daily precipitation	32.5 mm (1.3 in)	51 of 100 (Notable)
Wharton	United States	Record daily precipitation	106.2 mm (4.2 in)	51 of 100 (Notable)
Milan	Italy	Record high maximum temperature	15.4 C (59.7 F)	49 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record high maximum temperature	9.7 C (49.5 F)	46 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record high minimum temperature	5.9 C (42.6 F)	46 of 100 (Notable)
Mineral Wells AP	United States	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Richmond	Canada	Record high minimum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Durham	United States	Record high maximum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Sugartown	United States	Record daily precipitation	101.6 mm (4.0 in)	43 of 100 (Notable)
Middletown 2 NW	United States	Record high maximum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Thurber 5 NE	United States	Record daily precipitation	42.2 mm (1.7 in)	42 of 100 (Notable)
Fazenda Sao Geraldo	Brazil	Record daily precipitation	76.1 mm (3.0 in)	41 of 100 (Notable)
Lewiston	United States	Record high maximum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Baltimore Customs House	United States	Record high maximum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Evangelista de Souza	Brazil	Record daily precipitation	72.9 mm (2.9 in)	39 of 100 (Notable)
Mt Morris 2W	United States	Record high minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Menard	United States	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Joacaba	Brazil	Record daily precipitation	59.0 mm (2.3 in)	38 of 100 (Notable)
Amiandos	Cyprus	Record daily precipitation	90.8 mm (3.6 in)	38 of 100 (Notable)
Setauket Strong	United States	Record high maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Juquia	Brazil	Record daily precipitation	69.0 mm (2.7 in)	37 of 100 (Notable)
Bezenchuk	Russia	Record high maximum temperature	7.5 C (45.5 F)	37 of 100 (Notable)
Elmira	United States	Record high maximum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Franklinville	United States	Record high minimum temperature	7.8 C (46.0 F)	37 of 100 (Notable)
Hawley 1 E	United States	Record high maximum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
La Grange	United States	Record daily precipitation	61.0 mm (2.4 in)	37 of 100 (Notable)
Midland 4 ENE	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record high minimum temperature	9.4 C (48.9 F)	37 of 100 (Notable)
Viljujsk	Russia	Record high minimum temperature	-14.1 C (6.6 F)	36 of 100 (Notable)
Ekaterinburg	Russia	Record high maximum temperature	4.7 C (40.5 F)	36 of 100 (Notable)
Flatonia 4SE	United States	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record high maximum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Lufkin Angelina Co AP	United States	Record daily precipitation	79.5 mm (3.1 in)	36 of 100 (Notable)
Melo Franco	Brazil	Record daily precipitation	95.3 mm (3.8 in)	35 of 100 (Notable)
Sete Barras	Brazil	Record daily precipitation	44.6 mm (1.8 in)	35 of 100 (Notable)
Irkutsk	Russia	Record high minimum temperature	-7.9 C (17.8 F)	35 of 100 (Notable)
Newark Ag Farm	United States	Record high maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Hagerstown	United States	Record high maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Gloversville	United States	Record high maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Liberty 1 NE	United States	Record high maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Plattsburgh AFB	United States	Record high maximum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Everett	United States	Record high maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Selinsgrove 2 S	United States	Record high maximum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Vinhedo	Brazil	Record daily precipitation	76.6 mm (3.0 in)	34 of 100 (Routine)
Jimenez (Smn)	Mexico	Record high minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Frederick Police Brks	United States	Record high maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Junction 4SSW	United States	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Romney 1 SW	United States	Record high maximum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Avai	Brazil	Record daily precipitation	52.4 mm (2.1 in)	33 of 100 (Routine)
Buzau	Romania	Record high minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Albion	United States	Record high maximum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Fall Rvr Lake	United States	Record high maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Rockville 1 NE	United States	Record high maximum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Brockton	United States	Record high maximum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Arcade	United States	Record high maximum temperature	15.6 C (60.1 F)	33 of 100 (Routine)
Cooperstown	United States	Record high maximum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Elmira	United States	Record high minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record high minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Chambersburg 1 ESE	United States	Record high maximum temperature	18.3 C (64.9 F)	33 of 100 (Routine)

Counts by Type and Timescale

1,016 records

Records set or tied on 12 December 1979 by type: Highest daily maximum 440, Lowest daily maximum 28, Highest daily minimum 214, Lowest daily minimum 29, Heaviest daily rainfall 286, Heaviest daily snowfall 13, Deepest snow cover 6.

Records on 12 December 1979 by type
Record type	Records
Highest daily maximum	440
Lowest daily maximum	28
Highest daily minimum	214
Lowest daily minimum	29
Heaviest daily rainfall	286
Heaviest daily snowfall	13
Deepest snow cover	6

Records on 12 December 1979 by timescale: all-time 0, monthly 60, daily 956.

How Much Records Were Beaten By

879 broken records

Margins by which the 879 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 356.0. Ties are not counted.

Top 20 by Significance

12 December 1979

Top 20 records on 12 December 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1979	Hamlin 1SW, US	daily rain	29.7 mm (1.2 in)	25.9 mm (1.0 in)	68 years	53 of 100 (Notable)
12 December 1979	Marathon, US	monthly rain	32.5 mm (1.3 in)	7.1 mm (0.28 in)	66 years	51 of 100 (Notable)
12 December 1979	Wharton, US	daily rain	106.2 mm (4.2 in)	88.4 mm (3.5 in)	16 years	51 of 100 (Notable)
12 December 1979	Milan, IT	daily high max	15.4 C (59.7 F)	3.2 C (5.8 F)	115 years	49 of 100 (Notable)
12 December 1979	Oktjabrskij-Gorodok, RU	monthly high max	9.7 C (49.5 F)	3.1 C (5.6 F)	81 years	46 of 100 (Notable)
12 December 1979	Oktjabrskij-Gorodok, RU	monthly high min	5.9 C (42.6 F)	2.9 C (5.2 F)	81 years	46 of 100 (Notable)
12 December 1979	Mineral Wells AP, US	daily rain	34.3 mm (1.4 in)	32.0 mm (1.3 in)	24 years	46 of 100 (Notable)
12 December 1979	Richmond, CA	monthly high min	4.4 C (39.9 F)	0.5 C (0.9 F)	83 years	45 of 100 (Notable)
12 December 1979	Durham, US	monthly high max	20.0 C (68.0 F)	0.6 C (1.1 F)	83 years	44 of 100 (Notable)
12 December 1979	Sugartown, US	daily rain	101.6 mm (4.0 in)	34.5 mm (1.4 in)	68 years	43 of 100 (Notable)
12 December 1979	Middletown 2 NW, US	monthly high max	17.8 C (64.0 F)	0.6 C (1.1 F)	79 years	42 of 100 (Notable)
12 December 1979	Thurber 5 NE, US	daily rain	42.2 mm (1.7 in)	40.7 mm (1.6 in)	6 years	42 of 100 (Notable)
12 December 1979	Fazenda Sao Geraldo, BR	daily rain	76.1 mm (3.0 in)	51.1 mm (2.0 in)	26 years	41 of 100 (Notable)
12 December 1979	Lewiston, US	monthly high max	18.3 C (64.9 F)	1.1 C (2.0 F)	71 years	41 of 100 (Notable)
12 December 1979	Baltimore Customs House, US	daily high max	22.2 C (72.0 F)	1.1 C (2.0 F)	105 years	41 of 100 (Notable)
12 December 1979	Evangelista de Souza, BR	daily rain	72.9 mm (2.9 in)	42.6 mm (1.7 in)	40 years	39 of 100 (Notable)
12 December 1979	Mt Morris 2W, US	daily high min	10.6 C (51.1 F)	4.5 C (8.1 F)	82 years	39 of 100 (Notable)
12 December 1979	Menard, US	daily rain	30.5 mm (1.2 in)	15.8 mm (0.6 in)	56 years	39 of 100 (Notable)
12 December 1979	Joacaba, BR	daily rain	59.0 mm (2.3 in)	40.4 mm (1.6 in)	24 years	38 of 100 (Notable)
12 December 1979	Amiandos, CY	daily rain	90.8 mm (3.6 in)	41.8 mm (1.6 in)	49 years	38 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

1796 to 1979

Records set or tied on this calendar date in each year from 1796 to 1979. 1979 had 1,016 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 1979-12-12: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	872
50 to 100	5
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1