Weather Records on 12 December 1947

295 weather records were set or tied worldwide on 12 December 1947. Highest significance: Cobar (Meryula), AU.

Key Facts for 12 December 1947

On 12 December 1947, 295 weather records were set or tied at long-record stations worldwide.
26 were record highs and 76 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 6 monthly and 287 daily.
Cobar (Meryula) set a daily record precipitation of 54.9 mm (2.2 in) on 12 December 1947.
Across 153 earlier years (1796 to 2025) the same calendar date averaged 470 records.

Record Map

295 stations

295 station records on 12 December 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 December 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cobar (Meryula)	Australia	Record daily precipitation	54.9 mm (2.2 in)	53 of 100 (Notable)
Tallebung (Vermont Hill)	Australia	Record daily precipitation	51.1 mm (2.0 in)	49 of 100 (Notable)
Insizwa (Bos)	South Africa	Record daily precipitation	60.7 mm (2.4 in)	47 of 100 (Notable)
Wilbertree 2	Australia	Record daily precipitation	87.4 mm (3.4 in)	46 of 100 (Notable)
Port Alberni	Canada	Record daily precipitation	102.6 mm (4.0 in)	46 of 100 (Notable)
Glacier	Canada	Record daily precipitation	57.2 mm (2.3 in)	45 of 100 (Notable)
Glacier	Canada	Record daily snowfall	57.2 cm (22.5 in)	45 of 100 (Notable)
Albany 3 SE	United States	Record daily precipitation	54.6 mm (2.1 in)	44 of 100 (Notable)
Pemberton Meadows	Canada	Record daily snowfall	101.6 cm (40.0 in)	42 of 100 (Notable)
Trafalgar Station	Australia	Record daily precipitation	49.8 mm (2.0 in)	41 of 100 (Notable)
Pemberton Meadows	Canada	Record daily precipitation	101.6 mm (4.0 in)	41 of 100 (Notable)
Moorhead St Teachers C	United States	Record snow depth	58.4 cm (23.0 in)	40 of 100 (Notable)
Angicos	Brazil	Record daily precipitation	52.4 mm (2.1 in)	39 of 100 (Notable)
Walma	Australia	Record daily precipitation	95.5 mm (3.8 in)	38 of 100 (Notable)
Ico	Brazil	Record daily precipitation	68.5 mm (2.7 in)	38 of 100 (Notable)
Lumber City	United States	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
Lake Louise	Canada	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Lake Louise	Canada	Record daily snowfall	40.6 cm (16.0 in)	36 of 100 (Notable)
Cumberland	Canada	Record daily precipitation	76.2 mm (3.0 in)	34 of 100 (Routine)
Oberon (Jenolan Caves)	Australia	Record daily precipitation	43.2 mm (1.7 in)	33 of 100 (Routine)
Antenor Navarro	Brazil	Record daily precipitation	81.5 mm (3.2 in)	33 of 100 (Routine)
Hartington	United States	Record snow depth	12.7 cm (5.0 in)	33 of 100 (Routine)
Honomanu 450	United States	Record daily precipitation	176.5 mm (6.9 in)	33 of 100 (Routine)
Kynnersley	Australia	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Vananda	Canada	Record daily precipitation	46.7 mm (1.8 in)	32 of 100 (Routine)
Brookings 2 NE	United States	Record snow depth	25.4 cm (10.0 in)	32 of 100 (Routine)
Kukuihaele Hic 199	United States	Record daily precipitation	61.7 mm (2.4 in)	31 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	17.8 cm (7.0 in)	30 of 100 (Routine)
Denman Island	Canada	Record daily precipitation	64.5 mm (2.5 in)	28 of 100 (Routine)
Blakely	United States	Record daily precipitation	32.8 mm (1.3 in)	27 of 100 (Routine)
Mountainair	United States	Record low maximum temperature	-5.6 C (21.9 F)	27 of 100 (Routine)
Forestburg 4 NNE	United States	Record snow depth	15.2 cm (6.0 in)	27 of 100 (Routine)
Buderim Post Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Verkykerskop (Pol)	South Africa	Record daily precipitation	34.3 mm (1.4 in)	26 of 100 (Routine)
Katoomba (Murri St)	Australia	Record daily precipitation	39.4 mm (1.6 in)	25 of 100 (Routine)
Robe Comparison	Australia	Record high minimum temperature	18.9 C (66.0 F)	24 of 100 (Routine)
Camden (Brownlow Hill)	Australia	Record daily precipitation	25.7 mm (1.0 in)	24 of 100 (Routine)
Avon Park 2 W	United States	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)
Eustis 2 S	United States	Record high minimum temperature	20.6 C (69.1 F)	24 of 100 (Routine)
Greenvale	Australia	Record daily precipitation	39.6 mm (1.6 in)	23 of 100 (Routine)
Bamfield	Canada	Record daily precipitation	79.0 mm (3.1 in)	23 of 100 (Routine)
Hawkinsville	United States	Record daily precipitation	32.8 mm (1.3 in)	23 of 100 (Routine)
Bluewater 3 WSW	United States	Record low maximum temperature	-2.2 C (28.0 F)	23 of 100 (Routine)
Ft Stockton 1	United States	Record low maximum temperature	1.7 C (35.1 F)	23 of 100 (Routine)
Cataract Dam	Australia	Record daily precipitation	37.1 mm (1.5 in)	22 of 100 (Routine)
Cobargo Post Office	Australia	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Arcadia	United States	Record high minimum temperature	20.6 C (69.1 F)	22 of 100 (Routine)
Waianae 798	United States	Record low maximum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Gatcombe Head	Australia	Record daily precipitation	48.3 mm (1.9 in)	21 of 100 (Routine)
Fernflat	Australia	Record daily precipitation	47.8 mm (1.9 in)	21 of 100 (Routine)
Dunedoo Post Office	Australia	Record daily precipitation	38.9 mm (1.5 in)	21 of 100 (Routine)
Ft Valley	United States	Record low minimum temperature	-26.7 C (-16.1 F)	21 of 100 (Routine)
Lamar 7N	United States	Record low maximum temperature	-1.1 C (30.0 F)	21 of 100 (Routine)
Lugansk	Ukraine	Record daily precipitation	13.1 mm (0.5 in)	20 of 100 (Routine)
Weetaliba (Weetalabah)	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Wantabadgery	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Yellowin	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Barkerville	Canada	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Kjobli I Snaasa	Norway	Record daily precipitation	19.2 mm (0.8 in)	20 of 100 (Routine)
W Pt	United States	Record snow depth	7.6 cm (3.0 in)	20 of 100 (Routine)

Counts by Type and Timescale

295 records

Records set or tied on 12 December 1947 by type: Highest daily maximum 9, Lowest daily maximum 47, Highest daily minimum 17, Lowest daily minimum 29, Heaviest daily rainfall 163, Heaviest daily snowfall 12, Deepest snow cover 18.

Records on 12 December 1947 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	47
Highest daily minimum	17
Lowest daily minimum	29
Heaviest daily rainfall	163
Heaviest daily snowfall	12
Deepest snow cover	18

Records on 12 December 1947 by timescale: all-time 2, monthly 6, daily 287.

How Much Records Were Beaten By

246 broken records

Margins by which the 246 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 267.0. Ties are not counted.

Top 20 by Significance

12 December 1947

Top 20 records on 12 December 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 December 1947	Cobar (Meryula), AU	daily rain	54.9 mm (2.2 in)	42.2 mm (1.7 in)	38 years	53 of 100 (Notable)
12 December 1947	Tallebung (Vermont Hill), AU	daily rain	51.1 mm (2.0 in)	35.1 mm (1.4 in)	17 years	49 of 100 (Notable)
12 December 1947	Insizwa (Bos), ZA	daily rain	60.7 mm (2.4 in)	45.2 mm (1.8 in)	13 years	47 of 100 (Notable)
12 December 1947	Wilbertree 2, AU	daily rain	87.4 mm (3.4 in)	54.4 mm (2.1 in)	21 years	46 of 100 (Notable)
12 December 1947	Port Alberni, CA	daily rain	102.6 mm (4.0 in)	59.2 mm (2.3 in)	22 years	46 of 100 (Notable)
12 December 1947	Glacier, CA	daily rain	57.2 mm (2.3 in)	26.7 mm (1.1 in)	37 years	45 of 100 (Notable)
12 December 1947	Glacier, CA	daily snowfall	57.2 cm (22.5 in)	26.7 cm (10.5 in)	37 years	45 of 100 (Notable)
12 December 1947	Albany 3 SE, US	daily rain	54.6 mm (2.1 in)	34.3 mm (1.4 in)	52 years	44 of 100 (Notable)
12 December 1947	Pemberton Meadows, CA	all-time snowfall	101.6 cm (40.0 in)	10.2 cm (4.0 in)	31 years	42 of 100 (Notable)
12 December 1947	Trafalgar Station, AU	daily rain	49.8 mm (2.0 in)	49.8 mm (2.0 in)	34 years	41 of 100 (Notable)
12 December 1947	Pemberton Meadows, CA	all-time rain	101.6 mm (4.0 in)	10.2 mm (0.4 in)	31 years	41 of 100 (Notable)
12 December 1947	Moorhead St Teachers C, US	daily snow depth	58.4 cm (23.0 in)	25.4 cm (10.0 in)	45 years	40 of 100 (Notable)
12 December 1947	Angicos, BR	monthly rain	52.4 mm (2.1 in)	16.4 mm (0.6 in)	35 years	39 of 100 (Notable)
12 December 1947	Walma, AU	monthly rain	95.5 mm (3.8 in)	14.2 mm (0.6 in)	38 years	38 of 100 (Notable)
12 December 1947	Ico, BR	daily rain	68.5 mm (2.7 in)	49.7 mm (2.0 in)	25 years	38 of 100 (Notable)
12 December 1947	Lumber City, US	daily rain	53.8 mm (2.1 in)	36.0 mm (1.4 in)	4 years	38 of 100 (Notable)
12 December 1947	Lake Louise, CA	daily rain	40.6 mm (1.6 in)	22.1 mm (0.9 in)	10 years	37 of 100 (Notable)
12 December 1947	Lake Louise, CA	daily snowfall	40.6 cm (16.0 in)	22.1 cm (8.7 in)	10 years	36 of 100 (Notable)
12 December 1947	Cumberland, CA	daily rain	76.2 mm (3.0 in)	25.9 mm (1.0 in)	46 years	34 of 100 (Routine)
12 December 1947	Oberon (Jenolan Caves), AU	daily rain	43.2 mm (1.7 in)	20.3 mm (0.8 in)	24 years	33 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

1796 to 1947

Records set or tied on this calendar date in each year from 1796 to 1947. 1947 had 295 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 1947-12-12: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 50	232
50 to 100	7
100 to 150	4
150 to 200	0
200 to 250	1
250 to 300	2