Weather Records on 28 December 1984

2,118 weather records were set or tied worldwide on 28 December 1984. Highest significance: Boyanup, AU.

Key Facts for 28 December 1984

On 28 December 1984, 2,118 weather records were set or tied at long-record stations worldwide.
1,679 were record highs and 60 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 123 monthly and 1,993 daily.
Boyanup set a daily record precipitation of 27.8 mm (1.1 in) on 28 December 1984.
Across 161 earlier years (1793 to 2025) the same calendar date averaged 478 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 28 December 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 December 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boyanup	Australia	Record daily precipitation	27.8 mm (1.1 in)	69 of 100 (Major)
Donnybrook	Australia	Record daily precipitation	27.6 mm (1.1 in)	65 of 100 (Major)
Harvey Post Office	Australia	Record daily precipitation	26.8 mm (1.1 in)	63 of 100 (Major)
Jarrahdale	Australia	Record daily precipitation	27.4 mm (1.1 in)	59 of 100 (Notable)
Mundaring	Australia	Record daily precipitation	31.8 mm (1.3 in)	59 of 100 (Notable)
Mundaring Weir	Australia	Record daily precipitation	28.0 mm (1.1 in)	59 of 100 (Notable)
Balfour Downs	Australia	Record daily precipitation	51.4 mm (2.0 in)	53 of 100 (Notable)
Concordia ASOS	United States	Record high minimum temperature	15.0 C (59.0 F)	53 of 100 (Notable)
Canning River Weir	Australia	Record daily precipitation	30.0 mm (1.2 in)	52 of 100 (Notable)
Flora 5 NW	United States	Record high minimum temperature	14.4 C (57.9 F)	52 of 100 (Notable)
Churchman Brook	Australia	Record daily precipitation	32.0 mm (1.3 in)	51 of 100 (Notable)
Northcliffe	Australia	Record daily precipitation	42.0 mm (1.7 in)	51 of 100 (Notable)
Santa Gertrudis	Mexico	Record daily precipitation	57.9 mm (2.3 in)	51 of 100 (Notable)
Albion	United States	Record high minimum temperature	13.3 C (55.9 F)	51 of 100 (Notable)
La Ribera	Mexico	Record daily precipitation	45.2 mm (1.8 in)	50 of 100 (Notable)
McNary 2N	United States	Record daily precipitation	57.2 mm (2.3 in)	50 of 100 (Notable)
Independence	United States	Record high minimum temperature	13.9 C (57.0 F)	50 of 100 (Notable)
Carrollton	United States	Record high minimum temperature	11.7 C (53.1 F)	50 of 100 (Notable)
Dwellingup	Australia	Record daily precipitation	28.4 mm (1.1 in)	49 of 100 (Notable)
Oskaloosa	United States	Record high minimum temperature	10.6 C (51.1 F)	49 of 100 (Notable)
Lawrence	United States	Record high minimum temperature	14.4 C (57.9 F)	49 of 100 (Notable)
Petoskey	United States	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Erick	United States	Record high minimum temperature	13.9 C (57.0 F)	49 of 100 (Notable)
Thirlmere	Australia	Record daily precipitation	27.2 mm (1.1 in)	48 of 100 (Notable)
Santiago	Mexico	Record daily precipitation	36.1 mm (1.4 in)	48 of 100 (Notable)
Pellston Rgnl AP	United States	Record daily precipitation	48.8 mm (1.9 in)	48 of 100 (Notable)
Dardanup East	Australia	Record daily precipitation	25.2 mm (1.0 in)	47 of 100 (Notable)
Yarloop	Australia	Record daily precipitation	27.2 mm (1.1 in)	47 of 100 (Notable)
Las Animas	United States	Record high minimum temperature	8.3 C (46.9 F)	47 of 100 (Notable)
Decatur Wtp	United States	Record high minimum temperature	10.6 C (51.1 F)	47 of 100 (Notable)
Atchison	United States	Record high minimum temperature	13.9 C (57.0 F)	47 of 100 (Notable)
Healdton 3 E	United States	Record high minimum temperature	15.0 C (59.0 F)	47 of 100 (Notable)
Manjimup	Australia	Record daily precipitation	26.6 mm (1.0 in)	46 of 100 (Notable)
Tiskilwa 2 SE	United States	Record high maximum temperature	19.4 C (66.9 F)	46 of 100 (Notable)
Menard	United States	Record high minimum temperature	17.8 C (64.0 F)	46 of 100 (Notable)
Atlantic 1 NE	United States	Record high minimum temperature	9.4 C (48.9 F)	45 of 100 (Notable)
Indianola 1SW	United States	Record high minimum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Norwich	United States	Record high minimum temperature	13.3 C (55.9 F)	45 of 100 (Notable)
Russell Springs	United States	Record high minimum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Sedan	United States	Record high minimum temperature	11.7 C (53.1 F)	45 of 100 (Notable)
Winona	United States	Record high maximum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Salem	United States	Record high minimum temperature	13.9 C (57.0 F)	45 of 100 (Notable)
Bellingham 2 N	United States	Record snow depth	20.3 cm (8.0 in)	45 of 100 (Notable)
Wungong Dam	Australia	Record daily precipitation	25.8 mm (1.0 in)	44 of 100 (Notable)
Chiricahua Nm	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Carlinville	United States	Record high minimum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Mattoon	United States	Record high maximum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Nashville 1 E	United States	Record high minimum temperature	12.2 C (54.0 F)	44 of 100 (Notable)
Rockville	United States	Record high minimum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Greenfield	United States	Record high minimum temperature	8.9 C (48.0 F)	44 of 100 (Notable)
Lincoln 1 SE	United States	Record high minimum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Brunswick	United States	Record high minimum temperature	11.1 C (52.0 F)	44 of 100 (Notable)
Trenton	United States	Record high minimum temperature	11.1 C (52.0 F)	44 of 100 (Notable)
Crete 4ESE	United States	Record high minimum temperature	12.8 C (55.0 F)	44 of 100 (Notable)
Glen Warren	Australia	Record daily precipitation	28.0 mm (1.1 in)	43 of 100 (Notable)
San Bartolo	Mexico	Record daily precipitation	33.3 mm (1.3 in)	43 of 100 (Notable)
Griggsville	United States	Record high minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Hillsboro	United States	Record high minimum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Audubon	United States	Record high maximum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Decorah	United States	Record high maximum temperature	13.9 C (57.0 F)	43 of 100 (Notable)

Counts by Type and Timescale

2,118 records

Records set or tied on 28 December 1984 by type: Highest daily maximum 774, Lowest daily maximum 39, Highest daily minimum 905, Lowest daily minimum 21, Heaviest daily rainfall 309, Heaviest daily snowfall 42, Deepest snow cover 28.

Records on 28 December 1984 by type
Record type	Records
Highest daily maximum	774
Lowest daily maximum	39
Highest daily minimum	905
Lowest daily minimum	21
Heaviest daily rainfall	309
Heaviest daily snowfall	42
Deepest snow cover	28

Records on 28 December 1984 by timescale: all-time 2, monthly 123, daily 1,993.

How Much Records Were Beaten By

1,809 broken records

Margins by which the 1,809 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

28 December 1984

Top 20 records on 28 December 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 December 1984	Boyanup, AU	daily rain	27.8 mm (1.1 in)	20.4 mm (0.8 in)	72 years	69 of 100 (Major)
28 December 1984	Donnybrook, AU	daily rain	27.6 mm (1.1 in)	17.7 mm (0.7 in)	72 years	65 of 100 (Major)
28 December 1984	Harvey Post Office, AU	daily rain	26.8 mm (1.1 in)	17.9 mm (0.7 in)	72 years	63 of 100 (Major)
28 December 1984	Jarrahdale, AU	daily rain	27.4 mm (1.1 in)	25.1 mm (1.0 in)	45 years	59 of 100 (Notable)
28 December 1984	Mundaring, AU	daily rain	31.8 mm (1.3 in)	26.2 mm (1.0 in)	45 years	59 of 100 (Notable)
28 December 1984	Mundaring Weir, AU	daily rain	28.0 mm (1.1 in)	22.2 mm (0.9 in)	72 years	59 of 100 (Notable)
28 December 1984	Balfour Downs, AU	daily rain	51.4 mm (2.0 in)	39.7 mm (1.6 in)	46 years	53 of 100 (Notable)
28 December 1984	Concordia ASOS, US	monthly high min	15.0 C (59.0 F)	3.3 C (5.9 F)	95 years	53 of 100 (Notable)
28 December 1984	Canning River Weir, AU	daily rain	30.0 mm (1.2 in)	23.6 mm (0.9 in)	45 years	52 of 100 (Notable)
28 December 1984	Flora 5 NW, US	daily high min	14.4 C (57.9 F)	10.5 C (18.9 F)	90 years	52 of 100 (Notable)
28 December 1984	Churchman Brook, AU	daily rain	32.0 mm (1.3 in)	25.4 mm (1.0 in)	32 years	51 of 100 (Notable)
28 December 1984	Northcliffe, AU	daily rain	42.0 mm (1.7 in)	32.6 mm (1.3 in)	18 years	51 of 100 (Notable)
28 December 1984	Santa Gertrudis, MX	daily rain	57.9 mm (2.3 in)	52.6 mm (2.1 in)	24 years	51 of 100 (Notable)
28 December 1984	Albion, US	daily high min	13.3 C (55.9 F)	9.4 C (16.9 F)	90 years	51 of 100 (Notable)
28 December 1984	La Ribera, MX	daily rain	45.2 mm (1.8 in)	43.2 mm (1.7 in)	24 years	50 of 100 (Notable)
28 December 1984	McNary 2N, US	daily rain	57.2 mm (2.3 in)	43.2 mm (1.7 in)	48 years	50 of 100 (Notable)
28 December 1984	Independence, US	daily high min	13.9 C (57.0 F)	8.9 C (16.0 F)	87 years	50 of 100 (Notable)
28 December 1984	Glen Mervyn, AU	daily rain	18.0 mm (0.7 in)	12.7 mm (0.5 in)	72 years	20 of 100 (Routine)
28 December 1984	Bunbury Post Office, AU	daily rain	17.4 mm (0.7 in)	9.8 mm (0.39 in)	72 years	20 of 100 (Routine)
28 December 1984	Pinjarra, AU	daily rain	18.8 mm (0.7 in)	12.7 mm (0.5 in)	72 years	20 of 100 (Routine)

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 2,118 records.

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

Records on 12-28 in each year
Year	Records
1793	2
1794	2
1803	1
1806	2
1810	1
1822	2
1824	2
1829	1
1839	3
1842	1
1849	1
1852	1
1853	1
1858	1
1859	2
1864	1
1866	1
1871	2
1872	3
1876	1
1879	3
1880	2
1881	2
1882	6
1885	1
1889	1
1890	3
1891	1
1892	2
1893	2
1894	5
1895	4
1896	6
1897	3
1898	3
1899	4
1900	10
1901	5
1902	6
1903	14
1904	13
1905	19
1906	14
1907	71
1908	19
1909	19
1910	10
1911	9
1912	43
1913	18
1914	41
1915	37
1916	60
1917	73
1918	24
1919	238
1920	52
1921	139
1922	114
1923	159
1924	478
1925	293
1926	236
1927	426
1928	310
1929	489
1930	96
1931	224
1932	246
1933	322
1934	295
1935	371
1936	681
1937	284
1938	161
1939	237
1940	836
1941	159
1942	660
1943	311
1944	240
1945	463
1946	1,328
1947	248
1948	482
1949	421
1950	340
1951	287
1952	102
1953	233
1954	867
1955	521
1956	674
1957	333
1958	489
1959	850
1960	379
1961	361
1962	480
1963	267
1964	614
1965	344
1966	998
1967	756
1968	1,258
1969	713
1970	468
1971	936
1972	425
1973	535
1974	661
1975	642
1976	504
1977	887
1978	865
1979	787
1980	1,303
1981	773
1982	2,226
1983	2,343
1984	2,118
1985	725
1986	553
1987	1,589
1988	1,575
1989	630
1990	1,275
1991	547
1992	915
1993	1,129
1994	1,128
1995	1,214
1996	1,762
1997	898
1998	812
1999	1,102
2000	1,873
2001	514
2002	846
2003	1,228
2004	912
2005	908
2006	842
2007	1,014
2008	1,435
2009	1,070
2010	1,423
2011	754
2012	514
2013	579
2014	525
2015	2,085
2016	732
2017	1,560
2018	811
2019	712
2020	394
2021	1,439
2022	538
2023	959
2024	810
2025	841

Download the Data

Data for records on 1984-12-28: 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 25	1,755
25 to 50	33
50 to 75	8
75 to 100	3
100 to 125	6
125 to 150	0
150 to 175	2
175 to 200	2