Weather Records on 27 December 1984

814 weather records were set or tied worldwide on 27 December 1984. Highest significance: Hatch, US.

Key Facts for 27 December 1984

On 27 December 1984, 814 weather records were set or tied at long-record stations worldwide.
293 were record highs and 64 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 15 monthly and 798 daily.
Hatch set a daily record precipitation of 34.3 mm (1.4 in) on 27 December 1984.
Across 150 earlier years (1793 to 2025) the same calendar date averaged 537 records.

Record Map

814 stations

814 station records on 27 December 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 December 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hatch	United States	Record daily precipitation	34.3 mm (1.4 in)	71 of 100 (Major)
Millington 3 SE	United States	Record daily snowfall	14.7 cm (5.8 in)	64 of 100 (Major)
Florence	United States	Record daily precipitation	38.6 mm (1.5 in)	58 of 100 (Notable)
Greer	United States	Record daily precipitation	44.5 mm (1.8 in)	58 of 100 (Notable)
San Bernardo (Smn)	Mexico	Record daily precipitation	88.9 mm (3.5 in)	55 of 100 (Notable)
Casa Grande Nm	United States	Record daily precipitation	34.3 mm (1.4 in)	53 of 100 (Notable)
Watertown Wwtp	United States	Record daily snowfall	19.1 cm (7.5 in)	53 of 100 (Notable)
San Nicolas Is	United States	Record daily precipitation	82.6 mm (3.3 in)	53 of 100 (Notable)
Germantown Wastewater Utility	United States	Record daily snowfall	21.6 cm (8.5 in)	51 of 100 (Notable)
El Alamo	Mexico	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Antioch	United States	Record daily snowfall	14.0 cm (5.5 in)	48 of 100 (Notable)
Snug Primary School	Australia	Record daily precipitation	70.4 mm (2.8 in)	47 of 100 (Notable)
Rincon Pacheco	Mexico	Record daily precipitation	29.5 mm (1.2 in)	46 of 100 (Notable)
Alton	United States	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
La Granja	Mexico	Record daily precipitation	35.1 mm (1.4 in)	45 of 100 (Notable)
Montezuma Castle Nm	United States	Record daily precipitation	28.7 mm (1.1 in)	45 of 100 (Notable)
Superior	United States	Record daily precipitation	59.9 mm (2.4 in)	45 of 100 (Notable)
Honaunau 27	United States	Record daily precipitation	33.8 mm (1.3 in)	45 of 100 (Notable)
San Telmo	Mexico	Record daily precipitation	79.8 mm (3.1 in)	44 of 100 (Notable)
Victorville	United States	Record daily precipitation	29.7 mm (1.2 in)	44 of 100 (Notable)
Racine Wwtp	United States	Record daily snowfall	16.5 cm (6.5 in)	44 of 100 (Notable)
Needles AP	United States	Record daily precipitation	31.2 mm (1.2 in)	44 of 100 (Notable)
Chandler Heights	United States	Record daily precipitation	32.5 mm (1.3 in)	43 of 100 (Notable)
Thompson Welcome Ctr	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Gage AP	United States	Record high minimum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Alpine	United States	Record daily precipitation	38.4 mm (1.5 in)	42 of 100 (Notable)
Black Rock	United States	Record snow depth	15.2 cm (6.0 in)	42 of 100 (Notable)
Vernal	United States	Record snow depth	38.1 cm (15.0 in)	42 of 100 (Notable)
Prescott Love Fld	United States	Record daily precipitation	26.4 mm (1.0 in)	42 of 100 (Notable)
Ny City Cntrl Park	United States	Record daily snowfall	12.2 cm (4.8 in)	42 of 100 (Notable)
San Vicente	Mexico	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Arivaca	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Bradford Cntrl Fs	United States	Record daily snowfall	15.2 cm (6.0 in)	41 of 100 (Notable)
Monticello 2E	United States	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
El Pilar	Mexico	Record daily precipitation	34.8 mm (1.4 in)	40 of 100 (Notable)
Poway Valley	United States	Record daily precipitation	29.7 mm (1.2 in)	40 of 100 (Notable)
Sterling	United States	Record high minimum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Harb	United States	Record daily snowfall	11.2 cm (4.4 in)	40 of 100 (Notable)
Santa Maria Chilchotla	Mexico	Record daily precipitation	80.0 mm (3.1 in)	39 of 100 (Notable)
Cordes	United States	Record daily precipitation	32.3 mm (1.3 in)	39 of 100 (Notable)
Santa Rita Exp Range	United States	Record daily precipitation	60.5 mm (2.4 in)	39 of 100 (Notable)
Whiteriver 1 SW	United States	Record daily precipitation	43.2 mm (1.7 in)	39 of 100 (Notable)
Presa la Angostura	Mexico	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Anvil Rch	United States	Record daily precipitation	31.2 mm (1.2 in)	38 of 100 (Notable)
Blue	United States	Record daily precipitation	44.5 mm (1.8 in)	38 of 100 (Notable)
Williamston 3NE	United States	Record daily snowfall	12.7 cm (5.0 in)	38 of 100 (Notable)
Quata	Brazil	Record daily precipitation	81.3 mm (3.2 in)	37 of 100 (Notable)
Eloy 4 NE	United States	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Tupper Lake Sunmount	United States	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Wilkes-Barre/Scranton Intl AP	United States	Record daily snowfall	16.5 cm (6.5 in)	37 of 100 (Notable)
El Paso de Iritu	Mexico	Record daily precipitation	46.5 mm (1.8 in)	36 of 100 (Notable)
Piaxtla	Mexico	Record low maximum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Castle Rock	United States	Record high minimum temperature	1.7 C (35.1 F)	36 of 100 (Notable)
Rangely 1E	United States	Record daily snowfall	17.8 cm (7.0 in)	36 of 100 (Notable)
Burlington Wwtp	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Mauston 1 SE	United States	Record high maximum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Stoughton Wwtp	United States	Record daily snowfall	13.7 cm (5.4 in)	36 of 100 (Notable)
Laveen 3 SSE	United States	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Westcliffe	United States	Record high minimum temperature	2.8 C (37.0 F)	35 of 100 (Notable)
Blanding	United States	Record daily precipitation	25.1 mm (1.0 in)	35 of 100 (Notable)

Counts by Type and Timescale

814 records

Records set or tied on 27 December 1984 by type: Highest daily maximum 99, Lowest daily maximum 41, Highest daily minimum 194, Lowest daily minimum 23, Heaviest daily rainfall 316, Heaviest daily snowfall 108, Deepest snow cover 33.

Records on 27 December 1984 by type
Record type	Records
Highest daily maximum	99
Lowest daily maximum	41
Highest daily minimum	194
Lowest daily minimum	23
Heaviest daily rainfall	316
Heaviest daily snowfall	108
Deepest snow cover	33

Records on 27 December 1984 by timescale: all-time 1, monthly 15, daily 798.

How Much Records Were Beaten By

662 broken records

Margins by which the 662 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 585.0. Ties are not counted.

Top 20 by Significance

27 December 1984

Top 20 records on 27 December 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 December 1984	Hatch, US	daily rain	34.3 mm (1.4 in)	31.8 mm (1.3 in)	74 years	71 of 100 (Major)
27 December 1984	Millington 3 SE, US	daily snowfall	14.7 cm (5.8 in)	9.6 cm (3.8 in)	85 years	64 of 100 (Major)
27 December 1984	Florence, US	daily rain	38.6 mm (1.5 in)	26.4 mm (1.0 in)	70 years	58 of 100 (Notable)
27 December 1984	Greer, US	daily rain	44.5 mm (1.8 in)	26.7 mm (1.1 in)	71 years	58 of 100 (Notable)
27 December 1984	San Bernardo (Smn), MX	daily rain	88.9 mm (3.5 in)	84.8 mm (3.3 in)	37 years	55 of 100 (Notable)
27 December 1984	Casa Grande Nm, US	daily rain	34.3 mm (1.4 in)	21.9 mm (0.9 in)	70 years	53 of 100 (Notable)
27 December 1984	Watertown Wwtp, US	daily snowfall	19.1 cm (7.5 in)	8.9 cm (3.5 in)	73 years	53 of 100 (Notable)
27 December 1984	San Nicolas Is, US	all-time rain	82.6 mm (3.3 in)	13.5 mm (0.5 in)	46 years	53 of 100 (Notable)
27 December 1984	Germantown Wastewater Utility, US	daily snowfall	21.6 cm (8.5 in)	16.5 cm (6.5 in)	40 years	51 of 100 (Notable)
27 December 1984	El Alamo, MX	daily rain	47.8 mm (1.9 in)	38.4 mm (1.5 in)	36 years	49 of 100 (Notable)
27 December 1984	Antioch, US	daily snowfall	14.0 cm (5.5 in)	8.9 cm (3.5 in)	75 years	48 of 100 (Notable)
27 December 1984	Snug Primary School, AU	daily rain	70.4 mm (2.8 in)	45.4 mm (1.8 in)	6 years	47 of 100 (Notable)
27 December 1984	Rincon Pacheco, MX	daily rain	29.5 mm (1.2 in)	27.7 mm (1.1 in)	11 years	46 of 100 (Notable)
27 December 1984	Alton, US	daily rain	33.0 mm (1.3 in)	17.8 mm (0.7 in)	63 years	46 of 100 (Notable)
27 December 1984	La Granja, MX	daily rain	35.1 mm (1.4 in)	31.5 mm (1.2 in)	7 years	45 of 100 (Notable)
27 December 1984	Montezuma Castle Nm, US	daily rain	28.7 mm (1.1 in)	22.3 mm (0.9 in)	38 years	45 of 100 (Notable)
27 December 1984	Superior, US	daily rain	59.9 mm (2.4 in)	34.2 mm (1.3 in)	38 years	45 of 100 (Notable)
27 December 1984	Honaunau 27, US	daily rain	33.8 mm (1.3 in)	23.1 mm (0.9 in)	46 years	45 of 100 (Notable)
27 December 1984	San Telmo, MX	monthly rain	79.8 mm (3.1 in)	24.9 mm (1.0 in)	7 years	44 of 100 (Notable)
27 December 1984	Victorville, US	daily rain	29.7 mm (1.2 in)	18.0 mm (0.7 in)	36 years	44 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

1793 to 1984

Records set or tied on this calendar date in each year from 1793 to 1984. 1984 had 814 records.

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

Records on 12-27 in each year
Year	Records
1793	2
1798	2
1810	1
1839	2
1845	1
1849	1
1860	2
1862	1
1868	1
1869	1
1872	3
1875	1
1876	2
1881	1
1882	2
1886	1
1889	3
1890	1
1891	2
1892	4
1894	6
1896	5
1897	6
1898	5
1899	3
1900	4
1901	4
1902	6
1903	12
1904	21
1905	9
1906	8
1907	38
1908	3
1909	25
1910	13
1911	12
1912	51
1913	24
1914	44
1915	42
1916	43
1917	67
1918	42
1919	188
1920	148
1921	336
1922	37
1923	292
1924	340
1925	509
1926	208
1927	175
1928	282
1929	394
1930	142
1931	314
1932	219
1933	474
1934	199
1935	706
1936	972
1937	241
1938	396
1939	429
1940	526
1941	204
1942	880
1943	246
1944	274
1945	406
1946	878
1947	356
1948	445
1949	730
1950	481
1951	266
1952	118
1953	241
1954	511
1955	533
1956	628
1957	316
1958	425
1959	1,114
1960	385
1961	217
1962	490
1963	243
1964	897
1965	473
1966	715
1967	817
1968	993
1969	778
1970	352
1971	1,207
1972	401
1973	819
1974	782
1975	622
1976	613
1977	815
1978	775
1979	578
1980	1,778
1981	832
1982	1,449
1983	2,382
1984	814
1985	821
1986	484
1987	2,166
1988	1,855
1989	925
1990	880
1991	477
1992	500
1993	1,329
1994	1,122
1995	1,317
1996	1,758
1997	850
1998	924
1999	867
2000	1,392
2001	642
2002	944
2003	1,242
2004	853
2005	913
2006	965
2007	838
2008	1,708
2009	1,005
2010	1,851
2011	1,094
2012	1,118
2013	506
2014	482
2015	2,877
2016	884
2017	1,415
2018	1,039
2019	558
2020	402
2021	1,532
2022	1,025
2023	750
2024	680
2025	1,100

Download the Data

Data for records on 1984-12-27: 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 100	646
100 to 200	14
200 to 300	1
300 to 400	0
400 to 500	0
500 to 600	1