Weather Records on 31 December 1984

942 weather records were set or tied worldwide on 31 December 1984. Highest significance: Junction 4SSW, US.

Key Facts for 31 December 1984

On 31 December 1984, 942 weather records were set or tied at long-record stations worldwide.
445 were record highs and 55 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 60 monthly and 880 daily.
Junction 4SSW set a monthly record daily precipitation of 146.1 mm (5.8 in) on 31 December 1984.
Across 157 earlier years (1797 to 2025) the same calendar date averaged 484 records.

Record Map

942 stations

942 station records on 31 December 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 December 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Junction 4SSW	United States	Record daily precipitation	146.1 mm (5.8 in)	79 of 100 (Major)
Wishek	United States	Record daily precipitation	27.9 mm (1.1 in)	71 of 100 (Major)
Rocksprings	United States	Record daily precipitation	110.5 mm (4.4 in)	68 of 100 (Major)
Waurika	United States	Record daily precipitation	71.1 mm (2.8 in)	66 of 100 (Major)
Brady	United States	Record daily precipitation	112.3 mm (4.4 in)	66 of 100 (Major)
Harper 3ENE	United States	Record daily precipitation	130.0 mm (5.1 in)	66 of 100 (Major)
Munday	United States	Record daily precipitation	54.6 mm (2.1 in)	66 of 100 (Major)
Brackettville	United States	Record daily precipitation	53.3 mm (2.1 in)	60 of 100 (Major)
Humble Pump STN 5 WNW	United States	Record daily precipitation	90.7 mm (3.6 in)	60 of 100 (Major)
Camp Wood	United States	Record daily precipitation	95.5 mm (3.8 in)	59 of 100 (Notable)
Hunt 3 SW	United States	Record daily precipitation	80.8 mm (3.2 in)	59 of 100 (Notable)
Menard	United States	Record daily precipitation	71.9 mm (2.8 in)	59 of 100 (Notable)
Uvalde	United States	Record daily precipitation	71.6 mm (2.8 in)	58 of 100 (Notable)
Bluffs	United States	Record daily precipitation	111.8 mm (4.4 in)	57 of 100 (Notable)
Telegraph	United States	Record daily precipitation	139.7 mm (5.5 in)	57 of 100 (Notable)
Chattanooga	United States	Record daily precipitation	76.5 mm (3.0 in)	55 of 100 (Notable)
Sonora	United States	Record daily precipitation	51.8 mm (2.0 in)	55 of 100 (Notable)
Owosso Wwtp	United States	Record daily precipitation	46.0 mm (1.8 in)	54 of 100 (Notable)
Coleman	United States	Record daily precipitation	62.7 mm (2.5 in)	54 of 100 (Notable)
Jiloy,Ostrov	Azerbaijan	Record daily precipitation	30.2 mm (1.2 in)	53 of 100 (Notable)
Vernon	United States	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Glenrock 5 ESE	United States	Record snow depth	25.4 cm (10.0 in)	53 of 100 (Notable)
Ballinger 2 NW	United States	Record daily precipitation	67.8 mm (2.7 in)	52 of 100 (Notable)
Eaton Rapids	United States	Record daily precipitation	50.8 mm (2.0 in)	51 of 100 (Notable)
Ardmore	United States	Record daily precipitation	49.0 mm (1.9 in)	51 of 100 (Notable)
Chickasha Exp STN	United States	Record daily precipitation	80.8 mm (3.2 in)	51 of 100 (Notable)
Norman 3SSE	United States	Record daily precipitation	43.9 mm (1.7 in)	51 of 100 (Notable)
Pawhuska	United States	Record daily precipitation	65.5 mm (2.6 in)	51 of 100 (Notable)
Eagle Pass 3N	United States	Record daily precipitation	46.2 mm (1.8 in)	50 of 100 (Notable)
Pilot Point Isl du Boi	United States	Record daily precipitation	71.1 mm (2.8 in)	50 of 100 (Notable)
Elmo 1 SW	United States	Record daily precipitation	30.7 mm (1.2 in)	49 of 100 (Notable)
Wichita Mtn Wr	United States	Record daily precipitation	66.8 mm (2.6 in)	49 of 100 (Notable)
Okmulgee Wtr Wks	United States	Record daily precipitation	78.7 mm (3.1 in)	48 of 100 (Notable)
Archer City 2W	United States	Record daily precipitation	49.0 mm (1.9 in)	48 of 100 (Notable)
Brownwood 2NE	United States	Record daily precipitation	63.2 mm (2.5 in)	48 of 100 (Notable)
Comanche	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Weslaco	United States	Record daily precipitation	37.1 mm (1.5 in)	48 of 100 (Notable)
Lawton	United States	Record daily precipitation	50.3 mm (2.0 in)	47 of 100 (Notable)
Stamford 1	United States	Record daily precipitation	45.7 mm (1.8 in)	47 of 100 (Notable)
Shawnee	United States	Record daily precipitation	95.3 mm (3.8 in)	46 of 100 (Notable)
Jayton	United States	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Burdekin Shire Council	Australia	Record high maximum temperature	41.3 C (106.3 F)	44 of 100 (Notable)
Wichita Falls Muni AP	United States	Record daily precipitation	49.0 mm (1.9 in)	44 of 100 (Notable)
Joplin Rgnl AP	United States	Record daily precipitation	67.6 mm (2.7 in)	44 of 100 (Notable)
Coeur D'Alene	United States	Record daily snowfall	27.9 cm (11.0 in)	43 of 100 (Notable)
Laurel	United States	Record daily precipitation	27.7 mm (1.1 in)	43 of 100 (Notable)
Purcell 2 SW	United States	Record daily precipitation	39.1 mm (1.5 in)	43 of 100 (Notable)
Eastland	United States	Record daily precipitation	41.9 mm (1.6 in)	43 of 100 (Notable)
Fredericksburg	United States	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Putnam	United States	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Throckmorton	United States	Record daily precipitation	40.4 mm (1.6 in)	43 of 100 (Notable)
Coupeville 1 S	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Kailiili 436	United States	Record daily precipitation	364.2 mm (14.3 in)	43 of 100 (Notable)
Walterboro 1 SW	United States	Record high maximum temperature	29.4 C (84.9 F)	42 of 100 (Notable)
Breckenridge	United States	Record daily precipitation	46.0 mm (1.8 in)	42 of 100 (Notable)
Brodhead Wwtp	United States	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Sabinal	United States	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
Laporte	United States	Record daily precipitation	29.2 mm (1.1 in)	40 of 100 (Notable)
Versailles	United States	Record daily precipitation	42.9 mm (1.7 in)	40 of 100 (Notable)
Frederick	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)

Counts by Type and Timescale

942 records

Records set or tied on 31 December 1984 by type: Highest daily maximum 259, Lowest daily maximum 28, Highest daily minimum 186, Lowest daily minimum 27, Heaviest daily rainfall 351, Heaviest daily snowfall 57, Deepest snow cover 34.

Records on 31 December 1984 by type
Record type	Records
Highest daily maximum	259
Lowest daily maximum	28
Highest daily minimum	186
Lowest daily minimum	27
Heaviest daily rainfall	351
Heaviest daily snowfall	57
Deepest snow cover	34

Records on 31 December 1984 by timescale: all-time 2, monthly 60, daily 880.

How Much Records Were Beaten By

740 broken records

Margins by which the 740 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 228.0. Ties are not counted.

Top 20 by Significance

31 December 1984

Top 20 records on 31 December 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 December 1984	Junction 4SSW, US	monthly rain	146.1 mm (5.8 in)	69.9 mm (2.8 in)	71 years	79 of 100 (Major)
31 December 1984	Wishek, US	daily rain	27.9 mm (1.1 in)	24.9 mm (1.0 in)	79 years	71 of 100 (Major)
31 December 1984	Rocksprings, US	monthly rain	110.5 mm (4.4 in)	76.7 mm (3.0 in)	32 years	68 of 100 (Major)
31 December 1984	Waurika, US	daily rain	71.1 mm (2.8 in)	59.7 mm (2.4 in)	66 years	66 of 100 (Major)
31 December 1984	Brady, US	monthly rain	112.3 mm (4.4 in)	47.3 mm (1.9 in)	24 years	66 of 100 (Major)
31 December 1984	Harper 3ENE, US	monthly rain	130.0 mm (5.1 in)	69.0 mm (2.7 in)	32 years	66 of 100 (Major)
31 December 1984	Munday, US	daily rain	54.6 mm (2.1 in)	46.0 mm (1.8 in)	66 years	66 of 100 (Major)
31 December 1984	Brackettville, US	daily rain	53.3 mm (2.1 in)	36.3 mm (1.4 in)	41 years	60 of 100 (Major)
31 December 1984	Humble Pump STN 5 WNW, US	monthly rain	90.7 mm (3.6 in)	46.2 mm (1.8 in)	24 years	60 of 100 (Major)
31 December 1984	Camp Wood, US	monthly rain	95.5 mm (3.8 in)	51.6 mm (2.0 in)	19 years	59 of 100 (Notable)
31 December 1984	Hunt 3 SW, US	monthly rain	80.8 mm (3.2 in)	33.8 mm (1.3 in)	32 years	59 of 100 (Notable)
31 December 1984	Menard, US	daily rain	71.9 mm (2.8 in)	45.7 mm (1.8 in)	35 years	59 of 100 (Notable)
31 December 1984	Uvalde, US	daily rain	71.6 mm (2.8 in)	38.6 mm (1.5 in)	35 years	58 of 100 (Notable)
31 December 1984	Bluffs, US	monthly rain	111.8 mm (4.4 in)	34.3 mm (1.4 in)	35 years	57 of 100 (Notable)
31 December 1984	Telegraph, US	monthly rain	139.7 mm (5.5 in)	98.3 mm (3.9 in)	15 years	57 of 100 (Notable)
31 December 1984	Chattanooga, US	daily rain	76.5 mm (3.0 in)	61.3 mm (2.4 in)	24 years	55 of 100 (Notable)
31 December 1984	Sonora, US	daily rain	51.8 mm (2.0 in)	33.3 mm (1.3 in)	25 years	55 of 100 (Notable)
31 December 1984	Owosso Wwtp, US	monthly rain	46.0 mm (1.8 in)	7.9 mm (0.31 in)	77 years	54 of 100 (Notable)
31 December 1984	Coleman, US	monthly rain	62.7 mm (2.5 in)	16.5 mm (0.6 in)	58 years	54 of 100 (Notable)
31 December 1984	Jiloy,Ostrov, AZ	monthly rain	30.2 mm (1.2 in)	8.6 mm (0.34 in)	35 years	53 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 942 records.

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

Records on 12-31 in each year
Year	Records
1797	1
1799	2
1826	1
1836	1
1842	2
1850	3
1853	1
1854	1
1859	1
1860	1
1867	1
1870	2
1872	2
1874	4
1875	2
1876	2
1878	2
1879	2
1880	2
1882	1
1884	2
1885	1
1886	3
1887	1
1888	2
1890	2
1891	8
1892	4
1895	4
1897	6
1898	5
1899	4
1900	3
1901	16
1902	3
1903	3
1904	11
1905	9
1906	31
1907	11
1908	7
1909	5
1910	25
1911	14
1912	17
1913	46
1914	34
1915	32
1916	25
1917	239
1918	24
1919	38
1920	64
1921	130
1922	83
1923	280
1924	113
1925	183
1926	77
1927	491
1928	53
1929	224
1930	58
1931	543
1932	394
1933	409
1934	181
1935	309
1936	567
1937	500
1938	247
1939	298
1940	467
1941	159
1942	352
1943	159
1944	259
1945	210
1946	707
1947	461
1948	591
1949	384
1950	310
1951	1,421
1952	377
1953	410
1954	286
1955	429
1956	216
1957	724
1958	584
1959	414
1960	389
1961	309
1962	810
1963	1,015
1964	388
1965	1,371
1966	326
1967	1,023
1968	1,371
1969	825
1970	579
1971	568
1972	836
1973	1,370
1974	590
1975	791
1976	1,306
1977	641
1978	2,791
1979	448
1980	1,448
1981	786
1982	639
1983	2,220
1984	942
1985	593
1986	616
1987	845
1988	600
1989	506
1990	1,379
1991	703
1992	1,062
1993	718
1994	878
1995	1,151
1996	2,202
1997	988
1998	739
1999	524
2000	1,575
2001	748
2002	1,232
2003	523
2004	1,278
2005	959
2006	2,089
2007	652
2008	656
2009	867
2010	1,544
2011	739
2012	803
2013	606
2014	903
2015	748
2016	678
2017	1,589
2018	620
2019	593
2020	489
2021	1,739
2022	1,497
2023	474
2024	460
2025	760

Download the Data

Data for records on 1984-12-31: 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	707
50 to 100	21
100 to 150	3
150 to 200	5
200 to 250	4