Weather Records on 12 December 1984

808 weather records were set or tied worldwide on 12 December 1984. Highest significance: Boggabri (Kanownda), AU.

Key Facts for 12 December 1984

On 12 December 1984, 808 weather records were set or tied at long-record stations worldwide.
327 were record highs and 73 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 800 daily.
Boggabri (Kanownda) set a monthly record daily precipitation of 106.0 mm (4.2 in) on 12 December 1984.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 466 records.

Record Map

808 stations

808 station records on 12 December 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 December 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boggabri (Kanownda)	Australia	Record daily precipitation	106.0 mm (4.2 in)	70 of 100 (Major)
Ogallala	United States	Record daily precipitation	40.6 mm (1.6 in)	62 of 100 (Major)
Kremmling	United States	Record daily precipitation	27.9 mm (1.1 in)	58 of 100 (Notable)
La Junta	Mexico	Record daily precipitation	37.8 mm (1.5 in)	55 of 100 (Notable)
El Palmito	Mexico	Record daily precipitation	27.4 mm (1.1 in)	55 of 100 (Notable)
Dubbo (Mentone)	Australia	Record daily precipitation	50.4 mm (2.0 in)	50 of 100 (Notable)
Oberon (Springbank)	Australia	Record daily precipitation	40.8 mm (1.6 in)	49 of 100 (Notable)
Grenfell (Quondong Rd)	Australia	Record daily precipitation	32.0 mm (1.3 in)	49 of 100 (Notable)
La Dura	Mexico	Record daily precipitation	52.8 mm (2.1 in)	49 of 100 (Notable)
Glenwood Spgs #2	United States	Record daily snowfall	22.9 cm (9.0 in)	49 of 100 (Notable)
Ellensburg	United States	Record daily snowfall	10.4 cm (4.1 in)	47 of 100 (Notable)
Shoshone	United States	Record daily snowfall	30.5 cm (12.0 in)	45 of 100 (Notable)
Kamiah	United States	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Sun Rvr 4 S	United States	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Topia	Mexico	Record daily precipitation	130.6 mm (5.1 in)	44 of 100 (Notable)
Hughenden	South Africa	Record daily precipitation	47.5 mm (1.9 in)	43 of 100 (Notable)
Emu Plains	Australia	Record daily precipitation	41.4 mm (1.6 in)	42 of 100 (Notable)
Silver Lake Brighton	United States	Record daily snowfall	40.6 cm (16.0 in)	42 of 100 (Notable)
Tooraweenah (Denham St)	Australia	Record daily precipitation	32.4 mm (1.3 in)	41 of 100 (Notable)
Venterstad	South Africa	Record daily precipitation	49.7 mm (2.0 in)	41 of 100 (Notable)
Little Bay (the Coast Golf Clu	Australia	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Murringo (Windermere)	Australia	Record daily precipitation	26.0 mm (1.0 in)	40 of 100 (Notable)
Guanacevi (Smn)	Mexico	Record daily precipitation	52.8 mm (2.1 in)	40 of 100 (Notable)
Muskegon Co AP	United States	Record daily precipitation	29.5 mm (1.2 in)	40 of 100 (Notable)
Werris Creek Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Slavjansk-Na-Kubani	Russia	Record daily precipitation	36.7 mm (1.4 in)	39 of 100 (Notable)
San Javier	Mexico	Record daily precipitation	49.8 mm (2.0 in)	38 of 100 (Notable)
Petoskey	United States	Record high minimum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Aurukun Shire Council	Australia	Record daily precipitation	62.0 mm (2.4 in)	36 of 100 (Notable)
El Salto (Smn)	Mexico	Record daily precipitation	47.5 mm (1.9 in)	36 of 100 (Notable)
Luckhoff (Pol)	South Africa	Record daily precipitation	42.0 mm (1.7 in)	36 of 100 (Notable)
Fossil	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Urunga (Sunset Place)	Australia	Record daily precipitation	28.2 mm (1.1 in)	35 of 100 (Notable)
Gilgandra (Wallumburrawang)	Australia	Record daily precipitation	34.6 mm (1.4 in)	35 of 100 (Notable)
Bexley Bowling Club	Australia	Record daily precipitation	44.0 mm (1.7 in)	35 of 100 (Notable)
Sydney Airport AMO	Australia	Record daily precipitation	41.4 mm (1.6 in)	35 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high maximum temperature	4.2 C (39.6 F)	35 of 100 (Notable)
Chacon	United States	Record snow depth	12.7 cm (5.0 in)	35 of 100 (Notable)
Clarendon	United States	Record high minimum temperature	9.4 C (48.9 F)	35 of 100 (Notable)
Kelvin (Kahana)	Australia	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Saentis	Switzerland	Record high maximum temperature	7.3 C (45.1 F)	34 of 100 (Routine)
Ames	United States	Record daily snowfall	22.9 cm (9.0 in)	34 of 100 (Routine)
Nezperce	United States	Record daily snowfall	15.2 cm (6.0 in)	34 of 100 (Routine)
Halfway	United States	Record daily snowfall	24.1 cm (9.5 in)	34 of 100 (Routine)
Corinne	United States	Record daily snowfall	6.4 cm (2.5 in)	34 of 100 (Routine)
Killarney Post Office	Australia	Record daily precipitation	45.8 mm (1.8 in)	33 of 100 (Routine)
Tannymorel	Australia	Record daily precipitation	37.2 mm (1.5 in)	33 of 100 (Routine)
Red Range (Victoria St)	Australia	Record daily precipitation	48.6 mm (1.9 in)	33 of 100 (Routine)
Turramurra (Kissing Point Road	Australia	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Sasabe 7 NW	United States	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Pagosa Springs 1SE	United States	Record high minimum temperature	-0.6 C (30.9 F)	33 of 100 (Routine)
Mtn Home	United States	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Purlewaugh (Byfield)	Australia	Record daily precipitation	33.8 mm (1.3 in)	32 of 100 (Routine)
Westbury (Valley View)	Australia	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Ft Valley	United States	Record daily snowfall	38.1 cm (15.0 in)	32 of 100 (Routine)
Bliss 4 NW	United States	Record daily snowfall	8.9 cm (3.5 in)	32 of 100 (Routine)
Taos	United States	Record high minimum temperature	-0.6 C (30.9 F)	32 of 100 (Routine)
Boggabri (Mayfield)	Australia	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Oberon (Jenolan State Forest)	Australia	Record daily precipitation	44.0 mm (1.7 in)	31 of 100 (Routine)
Wallacia Post Office	Australia	Record daily precipitation	39.6 mm (1.6 in)	31 of 100 (Routine)

Counts by Type and Timescale

808 records

Records set or tied on 12 December 1984 by type: Highest daily maximum 90, Lowest daily maximum 32, Highest daily minimum 237, Lowest daily minimum 41, Heaviest daily rainfall 301, Heaviest daily snowfall 91, Deepest snow cover 16.

Records on 12 December 1984 by type
Record type	Records
Highest daily maximum	90
Lowest daily maximum	32
Highest daily minimum	237
Lowest daily minimum	41
Heaviest daily rainfall	301
Heaviest daily snowfall	91
Deepest snow cover	16

Records on 12 December 1984 by timescale: all-time 1, monthly 7, daily 800.

How Much Records Were Beaten By

675 broken records

Margins by which the 675 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 216.0. Ties are not counted.

Top 20 by Significance

12 December 1984

Top 20 records on 12 December 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1984	Boggabri (Kanownda), AU	monthly rain	106.0 mm (4.2 in)	39.2 mm (1.5 in)	62 years	70 of 100 (Major)
12 December 1984	Ogallala, US	daily rain	40.6 mm (1.6 in)	33.0 mm (1.3 in)	46 years	62 of 100 (Major)
12 December 1984	Kremmling, US	daily rain	27.9 mm (1.1 in)	24.3 mm (1.0 in)	39 years	58 of 100 (Notable)
12 December 1984	La Junta, MX	daily rain	37.8 mm (1.5 in)	25.9 mm (1.0 in)	33 years	55 of 100 (Notable)
12 December 1984	El Palmito, MX	monthly rain	27.4 mm (1.1 in)	10.6 mm (0.4 in)	43 years	55 of 100 (Notable)
12 December 1984	Dubbo (Mentone), AU	daily rain	50.4 mm (2.0 in)	26.0 mm (1.0 in)	68 years	50 of 100 (Notable)
12 December 1984	Oberon (Springbank), AU	daily rain	40.8 mm (1.6 in)	15.7 mm (0.6 in)	94 years	49 of 100 (Notable)
12 December 1984	Grenfell (Quondong Rd), AU	daily rain	32.0 mm (1.3 in)	18.5 mm (0.7 in)	82 years	49 of 100 (Notable)
12 December 1984	La Dura, MX	daily rain	52.8 mm (2.1 in)	44.9 mm (1.8 in)	33 years	49 of 100 (Notable)
12 December 1984	Glenwood Spgs #2, US	daily snowfall	22.9 cm (9.0 in)	10.2 cm (4.0 in)	68 years	49 of 100 (Notable)
12 December 1984	Ellensburg, US	daily snowfall	10.4 cm (4.1 in)	7.9 cm (3.1 in)	77 years	47 of 100 (Notable)
12 December 1984	Shoshone, US	daily snowfall	30.5 cm (12.0 in)	10.2 cm (4.0 in)	68 years	45 of 100 (Notable)
12 December 1984	Kamiah, US	daily snowfall	15.2 cm (6.0 in)	8.1 cm (3.2 in)	68 years	45 of 100 (Notable)
12 December 1984	Sun Rvr 4 S, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	43 years	45 of 100 (Notable)
12 December 1984	Topia, MX	daily rain	130.6 mm (5.1 in)	88.2 mm (3.5 in)	24 years	44 of 100 (Notable)
12 December 1984	Hughenden, ZA	daily rain	47.5 mm (1.9 in)	19.8 mm (0.8 in)	51 years	43 of 100 (Notable)
12 December 1984	Emu Plains, AU	daily rain	41.4 mm (1.6 in)	19.8 mm (0.8 in)	68 years	42 of 100 (Notable)
12 December 1984	Silver Lake Brighton, US	daily snowfall	40.6 cm (16.0 in)	20.3 cm (8.0 in)	62 years	42 of 100 (Notable)
12 December 1984	Tooraweenah (Denham St), AU	daily rain	32.4 mm (1.3 in)	12.3 mm (0.5 in)	81 years	41 of 100 (Notable)
12 December 1984	Venterstad, ZA	daily rain	49.7 mm (2.0 in)	6.5 mm (0.26 in)	88 years	41 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

1796 to 1984

Records set or tied on this calendar date in each year from 1796 to 1984. 1984 had 808 records.

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

Records on 12-12 in each year
Year	Records
1796	2
1798	1
1802	1
1808	2
1814	1
1825	2
1831	1
1835	2
1846	1
1855	2
1861	1
1863	3
1870	2
1871	5
1873	2
1879	2
1882	3
1887	1
1889	1
1891	2
1892	2
1893	8
1894	3
1895	1
1896	4
1897	3
1898	20
1899	11
1900	5
1901	4
1902	7
1903	18
1904	20
1905	10
1906	14
1907	8
1908	25
1909	20
1910	39
1911	104
1912	53
1913	20
1914	19
1915	46
1916	115
1917	246
1918	33
1919	23
1920	41
1921	63
1922	61
1923	91
1924	130
1925	75
1926	143
1927	335
1928	234
1929	405
1930	45
1931	522
1932	813
1933	358
1934	430
1935	266
1936	142
1937	468
1938	103
1939	418
1940	621
1941	260
1942	257
1943	165
1944	688
1945	212
1946	761
1947	295
1948	282
1949	789
1950	364
1951	175
1952	501
1953	288
1954	696
1955	381
1956	441
1957	1,118
1958	884
1959	464
1960	710
1961	1,481
1962	1,495
1963	439
1964	459
1965	1,045
1966	369
1967	565
1968	727
1969	499
1970	366
1971	585
1972	1,669
1973	397
1974	191
1975	492
1976	319
1977	907
1978	382
1979	1,016
1980	583
1981	734
1982	867
1983	816
1984	808
1985	1,384
1986	408
1987	468
1988	1,030
1989	930
1990	676
1991	1,980
1992	818
1993	887
1994	1,172
1995	2,030
1996	1,391
1997	869
1998	1,103
1999	952
2000	2,510
2001	700
2002	683
2003	537
2004	727
2005	769
2006	886
2007	1,315
2008	1,424
2009	818
2010	1,501
2011	621
2012	684
2013	646
2014	1,040
2015	1,496
2016	530
2017	808
2018	256
2019	418
2020	507
2021	441
2022	767
2023	544
2024	328
2025	1,485

Download the Data

Data for records on 1984-12-12: 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	631
50 to 100	30
100 to 150	11
150 to 200	1
200 to 250	2