Weather Records on 30 December 1984

1,834 weather records were set or tied worldwide on 30 December 1984. Highest significance: Lismore (Centre Street), AU.

Key Facts for 30 December 1984

On 30 December 1984, 1,834 weather records were set or tied at long-record stations worldwide.
1,251 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 87 monthly and 1,746 daily.
Lismore (Centre Street) set a daily record precipitation of 120.8 mm (4.8 in) on 30 December 1984.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 487 records.

Record Map

1,834 stations

1,834 station records on 30 December 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lismore (Centre Street)	Australia	Record daily precipitation	120.8 mm (4.8 in)	62 of 100 (Major)
Coupeville 1 S	United States	Record daily snowfall	10.2 cm (4.0 in)	56 of 100 (Notable)
Jacksonville 2E	United States	Record daily precipitation	50.8 mm (2.0 in)	55 of 100 (Notable)
Hermann	United States	Record daily precipitation	41.9 mm (1.6 in)	54 of 100 (Notable)
Clinton	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Katoomba (Murri St)	Australia	Record daily precipitation	90.4 mm (3.6 in)	51 of 100 (Notable)
Edwardsville 2 W	United States	Record daily precipitation	49.3 mm (1.9 in)	51 of 100 (Notable)
Casino Airport	Australia	Record daily precipitation	76.0 mm (3.0 in)	49 of 100 (Notable)
Berlin	United States	Record high maximum temperature	16.1 C (61.0 F)	49 of 100 (Notable)
Stillwater Rsvr	United States	Record daily precipitation	57.2 mm (2.3 in)	49 of 100 (Notable)
Blaine	United States	Record snow depth	20.3 cm (8.0 in)	49 of 100 (Notable)
Middletown 2 NW	United States	Record high maximum temperature	20.0 C (68.0 F)	48 of 100 (Notable)
Mohonk Lake	United States	Record high maximum temperature	18.3 C (64.9 F)	48 of 100 (Notable)
Muskogee	United States	Record daily precipitation	39.4 mm (1.6 in)	48 of 100 (Notable)
Braidwood (Wallace Street)	Australia	Record daily precipitation	64.4 mm (2.5 in)	46 of 100 (Notable)
Aspermont	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
E Tawas	United States	Record high maximum temperature	12.8 C (55.0 F)	45 of 100 (Notable)
Boonville	United States	Record daily precipitation	68.1 mm (2.7 in)	45 of 100 (Notable)
Troy	United States	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record high maximum temperature	17.8 C (64.0 F)	45 of 100 (Notable)
Bristow	United States	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Porto Ermidao (Faz.Harmonia)	Brazil	Record daily precipitation	95.7 mm (3.8 in)	44 of 100 (Notable)
Setauket Strong	United States	Record high maximum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Romney 1 SW	United States	Record high minimum temperature	9.4 C (48.9 F)	44 of 100 (Notable)
College Park	United States	Record high maximum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
Concrete Ppl Fish STN	United States	Record snow depth	33.0 cm (13.0 in)	43 of 100 (Notable)
Big Spring	United States	Record daily precipitation	25.7 mm (1.0 in)	43 of 100 (Notable)
Corndale (Willow Vale)	Australia	Record daily precipitation	149.0 mm (5.9 in)	42 of 100 (Notable)
Iola 1 W	United States	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Cape May 2 NW	United States	Record high maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Selinsgrove 2 S	United States	Record high minimum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
Cavendish	United States	Record high maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Staunton Wtp	United States	Record high maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
St Charles Elm Pt	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
W Glacier	United States	Record daily snowfall	27.9 cm (11.0 in)	41 of 100 (Notable)
Newton	United States	Record high maximum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Addison	United States	Record high maximum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Marion	United States	Record high maximum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Southport 5 N	United States	Record high maximum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
E Stroudsburg	United States	Record high maximum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Bedford	United States	Record high minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Warrenton 3 SE	United States	Record high minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Weston	United States	Record high minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Pointe Noire	Congo (Brazzaville)	Record daily precipitation	99.1 mm (3.9 in)	40 of 100 (Notable)
College Park	United States	Record high minimum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Joplin	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Grafton	United States	Record high maximum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Elmira	United States	Record high maximum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
Mt Morris 2W	United States	Record high maximum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Hendersonville 1 NE	United States	Record high maximum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Kingston	United States	Record high maximum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Concrete Ppl Fish STN	United States	Record daily snowfall	22.9 cm (9.0 in)	40 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Ny City Cntrl Park	United States	Record high maximum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
The Channon	Australia	Record daily precipitation	126.0 mm (5.0 in)	39 of 100 (Notable)
Kurrajong Heights (Bells Line	Australia	Record daily precipitation	47.0 mm (1.9 in)	39 of 100 (Notable)
Eureka Springs 3 WNW	United States	Record daily precipitation	40.4 mm (1.6 in)	39 of 100 (Notable)
Dahlonega 4WSW	United States	Record high maximum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Chester	United States	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Seymour 1 WSW	United States	Record daily precipitation	36.6 mm (1.4 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,834 records

Records set or tied on 30 December 1984 by type: Highest daily maximum 774, Lowest daily maximum 51, Highest daily minimum 477, Lowest daily minimum 30, Heaviest daily rainfall 419, Heaviest daily snowfall 45, Deepest snow cover 38.

Records on 30 December 1984 by type
Record type	Records
Highest daily maximum	774
Lowest daily maximum	51
Highest daily minimum	477
Lowest daily minimum	30
Heaviest daily rainfall	419
Heaviest daily snowfall	45
Deepest snow cover	38

Records on 30 December 1984 by timescale: all-time 1, monthly 87, daily 1,746.

How Much Records Were Beaten By

1,541 broken records

Margins by which the 1,541 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

30 December 1984

Top 20 records on 30 December 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1984	Lismore (Centre Street), AU	daily rain	120.8 mm (4.8 in)	64.7 mm (2.5 in)	41 years	62 of 100 (Major)
30 December 1984	Coupeville 1 S, US	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	68 years	56 of 100 (Notable)
30 December 1984	Jacksonville 2E, US	daily rain	50.8 mm (2.0 in)	30.2 mm (1.2 in)	53 years	55 of 100 (Notable)
30 December 1984	Hermann, US	daily rain	41.9 mm (1.6 in)	24.6 mm (1.0 in)	76 years	54 of 100 (Notable)
30 December 1984	Clinton, US	daily rain	50.8 mm (2.0 in)	24.4 mm (1.0 in)	78 years	52 of 100 (Notable)
30 December 1984	Katoomba (Murri St), AU	daily rain	90.4 mm (3.6 in)	31.7 mm (1.2 in)	70 years	51 of 100 (Notable)
30 December 1984	Edwardsville 2 W, US	daily rain	49.3 mm (1.9 in)	28.5 mm (1.1 in)	52 years	51 of 100 (Notable)
30 December 1984	Casino Airport, AU	daily rain	76.0 mm (3.0 in)	32.8 mm (1.3 in)	55 years	49 of 100 (Notable)
30 December 1984	Berlin, US	daily high max	16.1 C (61.0 F)	7.8 C (14.0 F)	95 years	49 of 100 (Notable)
30 December 1984	Stillwater Rsvr, US	daily rain	57.2 mm (2.3 in)	22.4 mm (0.9 in)	36 years	49 of 100 (Notable)
30 December 1984	Blaine, US	daily snow depth	20.3 cm (8.0 in)	12.7 cm (5.0 in)	73 years	49 of 100 (Notable)
30 December 1984	Middletown 2 NW, US	daily high max	20.0 C (68.0 F)	7.2 C (13.0 F)	88 years	48 of 100 (Notable)
30 December 1984	Mohonk Lake, US	daily high max	18.3 C (64.9 F)	8.3 C (14.9 F)	84 years	48 of 100 (Notable)
30 December 1984	Muskogee, US	daily rain	39.4 mm (1.6 in)	27.7 mm (1.1 in)	62 years	48 of 100 (Notable)
30 December 1984	Braidwood (Wallace Street), AU	daily rain	64.4 mm (2.5 in)	17.9 mm (0.7 in)	70 years	46 of 100 (Notable)
30 December 1984	Aspermont, US	daily rain	41.9 mm (1.6 in)	20.3 mm (0.8 in)	66 years	46 of 100 (Notable)
30 December 1984	E Tawas, US	daily high max	12.8 C (55.0 F)	6.7 C (12.1 F)	76 years	45 of 100 (Notable)
30 December 1984	Boonville, US	daily rain	68.1 mm (2.7 in)	40.2 mm (1.6 in)	13 years	45 of 100 (Notable)
30 December 1984	Troy, US	daily rain	50.8 mm (2.0 in)	31.7 mm (1.2 in)	53 years	45 of 100 (Notable)
30 December 1984	Ithaca Cornell UNIV, US	daily high max	17.8 C (64.0 F)	6.7 C (12.1 F)	85 years	45 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

1799 to 1984

Records set or tied on this calendar date in each year from 1799 to 1984. 1984 had 1,834 records.

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

Records on 12-30 in each year
Year	Records
1799	2
1835	1
1850	1
1853	1
1856	1
1859	1
1863	1
1868	1
1870	4
1872	3
1874	2
1875	2
1876	3
1878	1
1880	5
1881	3
1882	3
1884	2
1888	2
1889	2
1890	7
1891	1
1892	1
1893	3
1895	6
1896	3
1897	7
1898	6
1899	3
1900	5
1901	8
1902	2
1903	8
1904	12
1905	10
1906	11
1907	26
1908	17
1909	13
1910	18
1911	20
1912	37
1913	32
1914	47
1915	62
1916	45
1917	217
1918	25
1919	82
1920	84
1921	111
1922	227
1923	223
1924	65
1925	184
1926	63
1927	290
1928	31
1929	382
1930	71
1931	509
1932	407
1933	279
1934	206
1935	202
1936	931
1937	234
1938	208
1939	237
1940	397
1941	149
1942	584
1943	165
1944	137
1945	251
1946	584
1947	317
1948	760
1949	206
1950	479
1951	955
1952	334
1953	399
1954	538
1955	254
1956	556
1957	443
1958	525
1959	216
1960	345
1961	389
1962	671
1963	567
1964	537
1965	1,122
1966	403
1967	760
1968	1,391
1969	817
1970	571
1971	1,122
1972	1,052
1973	1,262
1974	564
1975	703
1976	981
1977	795
1978	1,930
1979	427
1980	1,560
1981	684
1982	630
1983	2,765
1984	1,834
1985	568
1986	852
1987	1,270
1988	755
1989	528
1990	3,065
1991	525
1992	1,210
1993	865
1994	642
1995	1,455
1996	1,620
1997	1,384
1998	801
1999	838
2000	1,377
2001	651
2002	1,034
2003	661
2004	974
2005	928
2006	1,779
2007	748
2008	653
2009	933
2010	1,200
2011	782
2012	676
2013	642
2014	660
2015	820
2016	706
2017	1,324
2018	284
2019	1,131
2020	604
2021	1,455
2022	909
2023	726
2024	638
2025	325

Download the Data

Data for records on 1984-12-30: 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	1,502
50 to 100	22
100 to 150	9
150 to 200	5
200 to 250	1
250 to 300	1
300 to 350	1