Weather Records on 12 December 1975

492 weather records were set or tied worldwide on 12 December 1975. Highest significance: Copley (Myrtle Springs), AU.

Key Facts for 12 December 1975

On 12 December 1975, 492 weather records were set or tied at long-record stations worldwide.
122 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 480 daily.
Copley (Myrtle Springs) set a daily record precipitation of 46.0 mm (1.8 in) on 12 December 1975.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 468 records.

Record Map

492 stations

492 station records on 12 December 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 December 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Copley (Myrtle Springs)	Australia	Record daily precipitation	46.0 mm (1.8 in)	70 of 100 (Major)
Hambledon Mill Csr	Australia	Record daily precipitation	328.0 mm (12.9 in)	65 of 100 (Major)
Treherne	Canada	Record daily snowfall	18.3 cm (7.2 in)	61 of 100 (Major)
Cartwright	Canada	Record daily snowfall	15.2 cm (6.0 in)	61 of 100 (Major)
Gargett Post Office	Australia	Record daily precipitation	148.2 mm (5.8 in)	58 of 100 (Notable)
Rock Springs	United States	Record daily snowfall	22.9 cm (9.0 in)	55 of 100 (Notable)
Goondi Mill Csr	Australia	Record daily precipitation	217.0 mm (8.5 in)	54 of 100 (Notable)
Wyberba	Australia	Record daily precipitation	144.0 mm (5.7 in)	53 of 100 (Notable)
Disston 1 NE Laying Ck	United States	Record daily snowfall	10.2 cm (4.0 in)	50 of 100 (Notable)
Ravenswood Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	49 of 100 (Notable)
Premier Mine-Cullinan	South Africa	Record daily precipitation	59.0 mm (2.3 in)	49 of 100 (Notable)
Dalrymple Heights	Australia	Record daily precipitation	141.0 mm (5.6 in)	48 of 100 (Notable)
Pierson	Canada	Record daily snowfall	20.8 cm (8.2 in)	48 of 100 (Notable)
Dryden	Canada	Record daily snowfall	17.8 cm (7.0 in)	48 of 100 (Notable)
Assiniboia	Canada	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Russell	Canada	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Parachilna	Australia	Record daily precipitation	57.4 mm (2.3 in)	46 of 100 (Notable)
Dos Bocas	Puerto Rico [United States]	Record daily precipitation	85.1 mm (3.4 in)	46 of 100 (Notable)
Ioco Refinery	Canada	Record daily snowfall	24.1 cm (9.5 in)	45 of 100 (Notable)
Vancouver Pmo	Canada	Record daily snowfall	18.3 cm (7.2 in)	44 of 100 (Notable)
Grangeville	United States	Record daily snowfall	20.3 cm (8.0 in)	43 of 100 (Notable)
Irymple (Arlington)	Australia	Record daily precipitation	63.0 mm (2.5 in)	42 of 100 (Notable)
Coquitlam Lake	Canada	Record daily snowfall	27.9 cm (11.0 in)	42 of 100 (Notable)
Chilliwack	Canada	Record daily snowfall	19.6 cm (7.7 in)	41 of 100 (Notable)
Marble Bar Comparison	Australia	Record low maximum temperature	31.2 C (88.2 F)	40 of 100 (Notable)
Port Hardy A	Canada	Record daily snowfall	13.7 cm (5.4 in)	40 of 100 (Notable)
Birtle	Canada	Record daily snowfall	14.5 cm (5.7 in)	40 of 100 (Notable)
Newlands	South Africa	Record daily precipitation	61.7 mm (2.4 in)	40 of 100 (Notable)
Bloomsbury Post Office	Australia	Record daily precipitation	73.6 mm (2.9 in)	39 of 100 (Notable)
Minnedosa	Canada	Record daily snowfall	11.7 cm (4.6 in)	39 of 100 (Notable)
Wando Vale Station	Australia	Record daily precipitation	73.4 mm (2.9 in)	38 of 100 (Notable)
Mount Spencer 2	Australia	Record daily precipitation	52.8 mm (2.1 in)	38 of 100 (Notable)
Whitewood	Canada	Record daily snowfall	11.4 cm (4.5 in)	38 of 100 (Notable)
Rock Springs	United States	Record snow depth	20.3 cm (8.0 in)	38 of 100 (Notable)
Moulamein (Tchelery)	Australia	Record daily precipitation	46.6 mm (1.8 in)	37 of 100 (Notable)
Melbourne Regional Office	Australia	Record high minimum temperature	21.5 C (70.7 F)	37 of 100 (Notable)
Hansboro 4 NNE	United States	Record daily snowfall	12.7 cm (5.0 in)	37 of 100 (Notable)
Graysville	Canada	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Bambaroo	Australia	Record daily precipitation	206.6 mm (8.1 in)	35 of 100 (Notable)
Kangaroo Hills Station	Australia	Record daily precipitation	71.8 mm (2.8 in)	35 of 100 (Notable)
Yabulu Qld Nickel	Australia	Record daily precipitation	81.4 mm (3.2 in)	35 of 100 (Notable)
Pleystowe Sugar Mill	Australia	Record daily precipitation	46.0 mm (1.8 in)	35 of 100 (Notable)
Cape St James	Canada	Record daily snowfall	5.6 cm (2.2 in)	35 of 100 (Notable)
Vancouver Int'l A	Canada	Record daily snowfall	20.6 cm (8.1 in)	35 of 100 (Notable)
Mourilyan Post Office	Australia	Record daily precipitation	265.4 mm (10.4 in)	34 of 100 (Routine)
Finch Hatton Cook St	Australia	Record daily precipitation	104.0 mm (4.1 in)	34 of 100 (Routine)
Ankenes	Norway	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Lifton Pumping STN	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Lake Yellowstone	United States	Record daily snowfall	16.5 cm (6.5 in)	34 of 100 (Routine)
Iliamna AP	United States	Record daily snowfall	12.7 cm (5.0 in)	34 of 100 (Routine)
Maunabo	Puerto Rico [United States]	Record daily precipitation	55.9 mm (2.2 in)	33 of 100 (Routine)
Garrison	United States	Record high minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Clearwater	United States	Record low maximum temperature	1.1 C (34.0 F)	33 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high maximum temperature	29.3 C (84.7 F)	32 of 100 (Routine)
Bella Bella	Canada	Record daily snowfall	13.0 cm (5.1 in)	32 of 100 (Routine)
Bastrop	United States	Record high maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Brady	United States	Record high minimum temperature	10.0 C (50.0 F)	32 of 100 (Routine)
Beaver	United States	Record high minimum temperature	3.9 C (39.0 F)	32 of 100 (Routine)
Alert Bay	Canada	Record daily snowfall	13.2 cm (5.2 in)	31 of 100 (Routine)
Cumberland	Canada	Record daily snowfall	23.4 cm (9.2 in)	31 of 100 (Routine)

Counts by Type and Timescale

492 records

Records set or tied on 12 December 1975 by type: Highest daily maximum 51, Lowest daily maximum 35, Highest daily minimum 71, Lowest daily minimum 35, Heaviest daily rainfall 183, Heaviest daily snowfall 111, Deepest snow cover 6.

Records on 12 December 1975 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	35
Highest daily minimum	71
Lowest daily minimum	35
Heaviest daily rainfall	183
Heaviest daily snowfall	111
Deepest snow cover	6

Records on 12 December 1975 by timescale: all-time 1, monthly 11, daily 480.

How Much Records Were Beaten By

399 broken records

Margins by which the 399 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 198.0. Ties are not counted.

Top 20 by Significance

12 December 1975

Top 20 records on 12 December 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1975	Copley (Myrtle Springs), AU	daily rain	46.0 mm (1.8 in)	46.0 mm (1.8 in)	76 years	70 of 100 (Major)
12 December 1975	Hambledon Mill Csr, AU	monthly rain	328.0 mm (12.9 in)	94.3 mm (3.7 in)	58 years	65 of 100 (Major)
12 December 1975	Treherne, CA	daily snowfall	18.3 cm (7.2 in)	17.0 cm (6.7 in)	41 years	61 of 100 (Major)
12 December 1975	Cartwright, CA	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	91 years	61 of 100 (Major)
12 December 1975	Gargett Post Office, AU	daily rain	148.2 mm (5.8 in)	103.5 mm (4.1 in)	46 years	58 of 100 (Notable)
12 December 1975	Rock Springs, US	monthly snowfall	22.9 cm (9.0 in)	5.1 cm (2.0 in)	75 years	55 of 100 (Notable)
12 December 1975	Goondi Mill Csr, AU	daily rain	217.0 mm (8.5 in)	96.3 mm (3.8 in)	68 years	54 of 100 (Notable)
12 December 1975	Wyberba, AU	daily rain	144.0 mm (5.7 in)	118.6 mm (4.7 in)	34 years	53 of 100 (Notable)
12 December 1975	Disston 1 NE Laying Ck, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	45 years	50 of 100 (Notable)
12 December 1975	Ravenswood Post Office, AU	daily rain	48.0 mm (1.9 in)	36.8 mm (1.4 in)	58 years	49 of 100 (Notable)
12 December 1975	Premier Mine-Cullinan, ZA	daily rain	59.0 mm (2.3 in)	31.6 mm (1.2 in)	69 years	49 of 100 (Notable)
12 December 1975	Dalrymple Heights, AU	daily rain	141.0 mm (5.6 in)	117.1 mm (4.6 in)	17 years	48 of 100 (Notable)
12 December 1975	Pierson, CA	monthly snowfall	20.8 cm (8.2 in)	5.6 cm (2.2 in)	41 years	48 of 100 (Notable)
12 December 1975	Dryden, CA	daily snowfall	17.8 cm (7.0 in)	10.2 cm (4.0 in)	52 years	48 of 100 (Notable)
12 December 1975	Assiniboia, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	60 years	47 of 100 (Notable)
12 December 1975	Russell, CA	daily snowfall	15.2 cm (6.0 in)	5.0 cm (2.0 in)	85 years	47 of 100 (Notable)
12 December 1975	Parachilna, AU	daily rain	57.4 mm (2.3 in)	52.3 mm (2.1 in)	9 years	46 of 100 (Notable)
12 December 1975	Dos Bocas, PR	daily rain	85.1 mm (3.4 in)	54.6 mm (2.1 in)	36 years	46 of 100 (Notable)
12 December 1975	Ioco Refinery, CA	daily snowfall	24.1 cm (9.5 in)	17.7 cm (7.0 in)	44 years	45 of 100 (Notable)
12 December 1975	Vancouver Pmo, CA	daily snowfall	18.3 cm (7.2 in)	11.9 cm (4.7 in)	48 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

1796 to 1975

Records set or tied on this calendar date in each year from 1796 to 1975. 1975 had 492 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 1975-12-12: 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 25	300
25 to 50	50
50 to 75	19
75 to 100	12
100 to 125	12
125 to 150	1
150 to 175	2
175 to 200	3