Weather Records on 2 December 1984

701 weather records were set or tied worldwide on 2 December 1984. Highest significance: Buffalo Bill Dam, US.

Key Facts for 2 December 1984

On 2 December 1984, 701 weather records were set or tied at long-record stations worldwide.
132 were record highs and 210 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 676 daily.
Buffalo Bill Dam set a monthly record snow depth of 45.7 cm (18.0 in) on 2 December 1984.
Across 164 earlier years (1797 to 2025) the same calendar date averaged 469 records.

Record Map

701 stations

701 station records on 2 December 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 December 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Buffalo Bill Dam	United States	Record snow depth	45.7 cm (18.0 in)	61 of 100 (Major)
Blunt	United States	Record daily snowfall	15.2 cm (6.0 in)	59 of 100 (Notable)
Moyoguarda	Mexico	Record daily precipitation	39.9 mm (1.6 in)	54 of 100 (Notable)
Caledonia	United States	Record daily precipitation	63.8 mm (2.5 in)	53 of 100 (Notable)
Redfield	United States	Record daily snowfall	17.8 cm (7.0 in)	53 of 100 (Notable)
Usina Sao Jose	Brazil	Record daily precipitation	126.0 mm (5.0 in)	51 of 100 (Notable)
Mondovi	United States	Record daily snowfall	17.0 cm (6.7 in)	51 of 100 (Notable)
Derbent	Russia	Record daily precipitation	27.1 mm (1.1 in)	48 of 100 (Notable)
Gettysburg	United States	Record daily snowfall	22.9 cm (9.0 in)	47 of 100 (Notable)
Itaporanga	Brazil	Record daily precipitation	133.5 mm (5.3 in)	46 of 100 (Notable)
Madeline Is	United States	Record daily snowfall	21.6 cm (8.5 in)	46 of 100 (Notable)
Genoa	Italy	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
St Peter	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Barao de Antonina	Brazil	Record daily precipitation	88.1 mm (3.5 in)	42 of 100 (Notable)
Detour Village	United States	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Dolinsk	Russia	Record daily precipitation	53.5 mm (2.1 in)	40 of 100 (Notable)
Idaho City	United States	Record low maximum temperature	-3.3 C (26.1 F)	40 of 100 (Notable)
Howard	United States	Record daily snowfall	5.1 cm (2.0 in)	40 of 100 (Notable)
Wessington Springs	United States	Record daily snowfall	5.1 cm (2.0 in)	40 of 100 (Notable)
Prentice #2	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Pontal	Brazil	Record daily precipitation	100.1 mm (3.9 in)	39 of 100 (Notable)
Warren	United States	Record low minimum temperature	-23.3 C (-9.9 F)	39 of 100 (Notable)
Miller	United States	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
Elias Fausto	Brazil	Record daily precipitation	80.1 mm (3.2 in)	38 of 100 (Notable)
Engenheiro Maia	Brazil	Record daily precipitation	101.2 mm (4.0 in)	38 of 100 (Notable)
Maple Plain	United States	Record daily snowfall	8.9 cm (3.5 in)	38 of 100 (Notable)
Mt Holly 4 NE	United States	Record daily precipitation	33.8 mm (1.3 in)	38 of 100 (Notable)
Sao Sebastiao da Grama	Brazil	Record daily precipitation	81.1 mm (3.2 in)	37 of 100 (Notable)
Taquari-Vai	Brazil	Record daily precipitation	50.8 mm (2.0 in)	37 of 100 (Notable)
Luverne	United States	Record daily snowfall	5.1 cm (2.0 in)	37 of 100 (Notable)
Fazenda Rio Preto	Brazil	Record daily precipitation	80.6 mm (3.2 in)	36 of 100 (Notable)
Dawson	United States	Record daily snowfall	11.4 cm (4.5 in)	36 of 100 (Notable)
Vesta	United States	Record daily snowfall	12.2 cm (4.8 in)	36 of 100 (Notable)
Rosholt	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Fartura	Brazil	Record daily precipitation	128.3 mm (5.1 in)	35 of 100 (Notable)
Taylorsville	United States	Record daily precipitation	48.5 mm (1.9 in)	34 of 100 (Routine)
Davenport	United States	Record low minimum temperature	-18.9 C (-2.0 F)	34 of 100 (Routine)
Wamsutter	United States	Record low minimum temperature	-22.8 C (-9.0 F)	34 of 100 (Routine)
Wausau ASOS	United States	Record daily snowfall	20.6 cm (8.1 in)	34 of 100 (Routine)
Usina Santa Maria	Brazil	Record daily precipitation	68.4 mm (2.7 in)	33 of 100 (Routine)
Milan	Italy	Record daily precipitation	39.0 mm (1.5 in)	33 of 100 (Routine)
Georgetown Post Office	Australia	Record high maximum temperature	41.5 C (106.7 F)	32 of 100 (Routine)
Ribeirao Corrente	Brazil	Record daily precipitation	88.9 mm (3.5 in)	32 of 100 (Routine)
Caninde	Brazil	Record daily precipitation	102.7 mm (4.0 in)	32 of 100 (Routine)
Lagoa Branca	Brazil	Record daily precipitation	74.6 mm (2.9 in)	32 of 100 (Routine)
Turgaj	Kazakhstan	Record low maximum temperature	-17.9 C (-0.2 F)	32 of 100 (Routine)
Vajda-Guba	Russia	Record high minimum temperature	1.2 C (34.2 F)	32 of 100 (Routine)
Borzja	Russia	Record high minimum temperature	-12.2 C (10.0 F)	32 of 100 (Routine)
Gettysburg	United States	Record snow depth	22.9 cm (9.0 in)	32 of 100 (Routine)
Milesville 5 NE	United States	Record snow depth	20.3 cm (8.0 in)	32 of 100 (Routine)
Stanley Wwtp	United States	Record daily snowfall	15.5 cm (6.1 in)	32 of 100 (Routine)
Snake Rvr	United States	Record low maximum temperature	-8.9 C (16.0 F)	32 of 100 (Routine)
Jaborandi	Brazil	Record daily precipitation	88.3 mm (3.5 in)	31 of 100 (Routine)
Mackay Lost Rvr Rs	United States	Record low minimum temperature	-23.9 C (-11.0 F)	31 of 100 (Routine)
Paisley	United States	Record low maximum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Centennial 1NE	United States	Record low maximum temperature	-7.8 C (18.0 F)	31 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	16.5 C (61.7 F)	30 of 100 (Routine)
Santa Cruz	Brazil	Record daily precipitation	72.2 mm (2.8 in)	30 of 100 (Routine)
Nemuro	Japan	Record daily precipitation	28.0 mm (1.1 in)	30 of 100 (Routine)
Bajramaly	Turkmenistan	Record low minimum temperature	-15.5 C (4.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

701 records

Records set or tied on 2 December 1984 by type: Highest daily maximum 55, Lowest daily maximum 108, Highest daily minimum 77, Lowest daily minimum 102, Heaviest daily rainfall 247, Heaviest daily snowfall 85, Deepest snow cover 27.

Records on 2 December 1984 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	108
Highest daily minimum	77
Lowest daily minimum	102
Heaviest daily rainfall	247
Heaviest daily snowfall	85
Deepest snow cover	27

Records on 2 December 1984 by timescale: all-time 1, monthly 24, daily 676.

How Much Records Were Beaten By

584 broken records

Margins by which the 584 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

2 December 1984

Top 20 records on 2 December 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 December 1984	Buffalo Bill Dam, US	monthly snow depth	45.7 cm (18.0 in)	15.2 cm (6.0 in)	61 years	61 of 100 (Major)
2 December 1984	Blunt, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	71 years	59 of 100 (Notable)
2 December 1984	Moyoguarda, MX	monthly rain	39.9 mm (1.6 in)	10.9 mm (0.4 in)	58 years	54 of 100 (Notable)
2 December 1984	Caledonia, US	monthly rain	63.8 mm (2.5 in)	19.9 mm (0.8 in)	11 years	53 of 100 (Notable)
2 December 1984	Redfield, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	35 years	53 of 100 (Notable)
2 December 1984	Usina Sao Jose, BR	monthly rain	126.0 mm (5.0 in)	41.0 mm (1.6 in)	17 years	51 of 100 (Notable)
2 December 1984	Mondovi, US	daily snowfall	17.0 cm (6.7 in)	11.9 cm (4.7 in)	67 years	51 of 100 (Notable)
2 December 1984	Derbent, RU	daily rain	27.1 mm (1.1 in)	18.2 mm (0.7 in)	14 years	48 of 100 (Notable)
2 December 1984	Gettysburg, US	monthly snowfall	22.9 cm (9.0 in)	2.1 cm (0.8 in)	81 years	47 of 100 (Notable)
2 December 1984	Itaporanga, BR	all-time rain	133.5 mm (5.3 in)	21.5 mm (0.8 in)	28 years	46 of 100 (Notable)
2 December 1984	Madeline Is, US	daily snowfall	21.6 cm (8.5 in)	14.0 cm (5.5 in)	39 years	46 of 100 (Notable)
2 December 1984	Genoa, IT	daily rain	50.8 mm (2.0 in)	7.5 mm (0.30 in)	120 years	44 of 100 (Notable)
2 December 1984	St Peter, US	daily snowfall	10.2 cm (4.0 in)	5.6 cm (2.2 in)	83 years	44 of 100 (Notable)
2 December 1984	Barao de Antonina, BR	daily rain	88.1 mm (3.5 in)	50.2 mm (2.0 in)	19 years	42 of 100 (Notable)
2 December 1984	Detour Village, US	daily rain	30.0 mm (1.2 in)	16.0 mm (0.6 in)	28 years	42 of 100 (Notable)
2 December 1984	Dolinsk, RU	monthly rain	53.5 mm (2.1 in)	14.4 mm (0.6 in)	3 years	40 of 100 (Notable)
2 December 1984	Idaho City, US	daily low max	-3.3 C (26.1 F)	2.2 C (4.0 F)	88 years	40 of 100 (Notable)
2 December 1984	Howard, US	daily snowfall	5.1 cm (2.0 in)	2.6 cm (1.0 in)	85 years	40 of 100 (Notable)
2 December 1984	Wessington Springs, US	daily snowfall	5.1 cm (2.0 in)	2.6 cm (1.0 in)	86 years	40 of 100 (Notable)
2 December 1984	Prentice #2, US	daily snowfall	15.2 cm (6.0 in)	6.8 cm (2.7 in)	55 years	40 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 1984

Records set or tied on this calendar date in each year from 1797 to 1984. 1984 had 701 records.

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

Records on 12-02 in each year
Year	Records
1797	2
1807	2
1810	2
1817	1
1823	1
1828	1
1829	2
1846	1
1847	1
1852	1
1856	4
1857	1
1858	1
1859	1
1863	2
1867	1
1870	3
1871	1
1872	4
1873	1
1874	2
1875	4
1876	5
1878	1
1879	9
1884	2
1886	2
1887	2
1888	1
1889	1
1890	4
1892	1
1893	4
1894	3
1895	2
1896	3
1897	4
1898	10
1899	5
1900	1
1901	5
1902	6
1903	9
1904	1
1905	17
1906	10
1907	8
1908	15
1909	37
1910	18
1911	56
1912	81
1913	67
1914	101
1915	19
1916	169
1917	40
1918	50
1919	99
1920	43
1921	113
1922	59
1923	28
1924	168
1925	156
1926	167
1927	460
1928	77
1929	545
1930	272
1931	305
1932	525
1933	485
1934	194
1935	143
1936	331
1937	265
1938	335
1939	345
1940	551
1941	752
1942	835
1943	179
1944	276
1945	222
1946	198
1947	633
1948	211
1949	254
1950	598
1951	629
1952	614
1953	482
1954	317
1955	561
1956	594
1957	217
1958	442
1959	412
1960	410
1961	341
1962	1,144
1963	250
1964	726
1965	496
1966	1,117
1967	804
1968	753
1969	548
1970	1,232
1971	764
1972	547
1973	1,031
1974	1,019
1975	721
1976	920
1977	723
1978	1,056
1979	862
1980	1,428
1981	739
1982	3,111
1983	1,041
1984	701
1985	3,666
1986	887
1987	1,118
1988	613
1989	981
1990	616
1991	1,970
1992	719
1993	632
1994	632
1995	1,002
1996	1,180
1997	816
1998	1,732
1999	706
2000	735
2001	639
2002	615
2003	554
2004	798
2005	944
2006	1,388
2007	1,704
2008	871
2009	1,013
2010	1,602
2011	730
2012	1,265
2013	557
2014	546
2015	818
2016	269
2017	737
2018	1,152
2019	615
2020	534
2021	1,988
2022	771
2023	591
2024	715
2025	889

Download the Data

Data for records on 1984-12-02: 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	538
50 to 100	30
100 to 150	11
150 to 200	3
200 to 250	1
250 to 300	0
300 to 350	1