Weather Records on 11 December 1947

342 weather records were set or tied worldwide on 11 December 1947. Highest significance: Mount Wilson (Nooroo), AU.

Key Facts for 11 December 1947

On 11 December 1947, 342 weather records were set or tied at long-record stations worldwide.
22 were record highs and 73 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 332 daily.
Mount Wilson (Nooroo) set a daily record precipitation of 95.0 mm (3.7 in) on 11 December 1947.
Across 154 earlier years (1796 to 2025) the same calendar date averaged 474 records.

Record Map

342 stations

342 station records on 11 December 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 December 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mount Wilson (Nooroo)	Australia	Record daily precipitation	95.0 mm (3.7 in)	64 of 100 (Major)
Mount Victoria (Mt Victoria (S	Australia	Record daily precipitation	68.1 mm (2.7 in)	53 of 100 (Notable)
Picui	Brazil	Record daily precipitation	45.0 mm (1.8 in)	52 of 100 (Notable)
Springwood Bowling Club	Australia	Record daily precipitation	88.6 mm (3.5 in)	49 of 100 (Notable)
Bilpin (Fern Grove)	Australia	Record daily precipitation	106.7 mm (4.2 in)	48 of 100 (Notable)
Bunghill Tank	Australia	Record daily precipitation	62.0 mm (2.4 in)	47 of 100 (Notable)
Krambach (Bellevue)	Australia	Record daily precipitation	134.9 mm (5.3 in)	47 of 100 (Notable)
Krambach Post Office	Australia	Record daily precipitation	117.3 mm (4.6 in)	46 of 100 (Notable)
Fitzgerald	United States	Record daily precipitation	52.1 mm (2.1 in)	44 of 100 (Notable)
Wentworth Falls Post Office	Australia	Record daily precipitation	95.3 mm (3.8 in)	43 of 100 (Notable)
Baradine Post Office	Australia	Record daily precipitation	49.3 mm (1.9 in)	42 of 100 (Notable)
Lower Bucca	Australia	Record daily precipitation	69.9 mm (2.8 in)	42 of 100 (Notable)
Kurrajong Heights (Bells Line	Australia	Record daily precipitation	80.3 mm (3.2 in)	42 of 100 (Notable)
Moorhead St Teachers C	United States	Record snow depth	58.4 cm (23.0 in)	40 of 100 (Notable)
Kings Tablelands	Australia	Record daily precipitation	62.2 mm (2.4 in)	39 of 100 (Notable)
Richmond - Uws Hawkesbury	Australia	Record daily precipitation	41.4 mm (1.6 in)	39 of 100 (Notable)
Mittagong (Beatrice Street)	Australia	Record daily precipitation	44.7 mm (1.8 in)	38 of 100 (Notable)
Ft Gaines	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Ormesby	Australia	Record daily precipitation	103.1 mm (4.1 in)	37 of 100 (Notable)
Pilliga (Nirvana)	Australia	Record daily precipitation	48.5 mm (1.9 in)	37 of 100 (Notable)
Cobar (Lerida)	Australia	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Lawson (Wilson Street)	Australia	Record daily precipitation	76.7 mm (3.0 in)	36 of 100 (Notable)
Kingstree	United States	Record daily precipitation	31.2 mm (1.2 in)	36 of 100 (Notable)
Brookings 2 NE	United States	Record snow depth	25.4 cm (10.0 in)	36 of 100 (Notable)
Windsor Bowling Club	Australia	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Tooraweenah (Denham St)	Australia	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)
Alapaha Exp STN	United States	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Katoomba (Murri St)	Australia	Record daily precipitation	72.6 mm (2.9 in)	33 of 100 (Routine)
Philipstown (Tnk)	South Africa	Record daily precipitation	35.1 mm (1.4 in)	33 of 100 (Routine)
Hartington	United States	Record snow depth	12.7 cm (5.0 in)	33 of 100 (Routine)
Dumble	Australia	Record daily precipitation	38.4 mm (1.5 in)	32 of 100 (Routine)
Kempsey (Wide Street)	Australia	Record daily precipitation	63.0 mm (2.5 in)	31 of 100 (Routine)
Pilliga Post Office	Australia	Record daily precipitation	53.6 mm (2.1 in)	30 of 100 (Routine)
Wingham (Lanark Close)	Australia	Record daily precipitation	69.9 mm (2.8 in)	30 of 100 (Routine)
Angola	United States	Record daily precipitation	51.1 mm (2.0 in)	30 of 100 (Routine)
Ebor (Wongwibinda)	Australia	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Brooklana	Australia	Record daily precipitation	60.7 mm (2.4 in)	29 of 100 (Routine)
Glenara	Australia	Record daily precipitation	47.8 mm (1.9 in)	29 of 100 (Routine)
Orangeburg 2 SE	United States	Record daily precipitation	33.3 mm (1.3 in)	29 of 100 (Routine)
Cubbaroo	Australia	Record daily precipitation	77.0 mm (3.0 in)	28 of 100 (Routine)
Ft Valley	United States	Record low minimum temperature	-28.9 C (-20.0 F)	28 of 100 (Routine)
Alpha Post Office	Australia	Record daily precipitation	53.3 mm (2.1 in)	27 of 100 (Routine)
Werrina	Australia	Record daily precipitation	35.8 mm (1.4 in)	27 of 100 (Routine)
Yellow Mountain	Australia	Record daily precipitation	69.9 mm (2.8 in)	27 of 100 (Routine)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	64.3 mm (2.5 in)	27 of 100 (Routine)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	54.1 mm (2.1 in)	27 of 100 (Routine)
Iguape	Brazil	Record daily precipitation	44.9 mm (1.8 in)	27 of 100 (Routine)
Marianna Sch For Boys	United States	Record daily precipitation	46.2 mm (1.8 in)	27 of 100 (Routine)
Biloxi	United States	Record daily precipitation	48.3 mm (1.9 in)	27 of 100 (Routine)
Forestburg 4 NNE	United States	Record snow depth	15.2 cm (6.0 in)	27 of 100 (Routine)
Yuleba Garden St	Australia	Record daily precipitation	37.1 mm (1.5 in)	26 of 100 (Routine)
Gloucester Post Office	Australia	Record daily precipitation	78.0 mm (3.1 in)	26 of 100 (Routine)
Fort Frances	Canada	Record daily snowfall	12.7 cm (5.0 in)	26 of 100 (Routine)
Rimini 2 SSW	United States	Record daily precipitation	37.1 mm (1.5 in)	26 of 100 (Routine)
Omanama	Australia	Record daily precipitation	71.1 mm (2.8 in)	25 of 100 (Routine)
Emu Plains	Australia	Record daily precipitation	34.3 mm (1.4 in)	25 of 100 (Routine)
St Marys Bowling Club	Australia	Record daily precipitation	37.3 mm (1.5 in)	25 of 100 (Routine)
Emu Plains	Australia	Record daily precipitation	34.3 mm (1.4 in)	25 of 100 (Routine)
Port Blair	India	Record daily precipitation	44.2 mm (1.7 in)	25 of 100 (Routine)
Brunswick	United States	Record daily precipitation	26.2 mm (1.0 in)	25 of 100 (Routine)

Counts by Type and Timescale

342 records

Records set or tied on 11 December 1947 by type: Highest daily maximum 12, Lowest daily maximum 24, Highest daily minimum 10, Lowest daily minimum 49, Heaviest daily rainfall 214, Heaviest daily snowfall 14, Deepest snow cover 19.

Records on 11 December 1947 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	24
Highest daily minimum	10
Lowest daily minimum	49
Heaviest daily rainfall	214
Heaviest daily snowfall	14
Deepest snow cover	19

Records on 11 December 1947 by timescale: all-time 0, monthly 10, daily 332.

How Much Records Were Beaten By

296 broken records

Margins by which the 296 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

11 December 1947

Top 20 records on 11 December 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 December 1947	Mount Wilson (Nooroo), AU	daily rain	95.0 mm (3.7 in)	65.8 mm (2.6 in)	57 years	64 of 100 (Major)
11 December 1947	Mount Victoria (Mt Victoria (S, AU	daily rain	68.1 mm (2.7 in)	37.6 mm (1.5 in)	57 years	53 of 100 (Notable)
11 December 1947	Picui, BR	daily rain	45.0 mm (1.8 in)	45.0 mm (1.8 in)	36 years	52 of 100 (Notable)
11 December 1947	Springwood Bowling Club, AU	daily rain	88.6 mm (3.5 in)	73.4 mm (2.9 in)	10 years	49 of 100 (Notable)
11 December 1947	Bilpin (Fern Grove), AU	daily rain	106.7 mm (4.2 in)	87.9 mm (3.5 in)	12 years	48 of 100 (Notable)
11 December 1947	Bunghill Tank, AU	daily rain	62.0 mm (2.4 in)	50.1 mm (2.0 in)	4 years	47 of 100 (Notable)
11 December 1947	Krambach (Bellevue), AU	daily rain	134.9 mm (5.3 in)	92.0 mm (3.6 in)	12 years	47 of 100 (Notable)
11 December 1947	Krambach Post Office, AU	daily rain	117.3 mm (4.6 in)	85.3 mm (3.4 in)	12 years	46 of 100 (Notable)
11 December 1947	Fitzgerald, US	daily rain	52.1 mm (2.1 in)	32.3 mm (1.3 in)	47 years	44 of 100 (Notable)
11 December 1947	Wentworth Falls Post Office, AU	daily rain	95.3 mm (3.8 in)	59.2 mm (2.3 in)	12 years	43 of 100 (Notable)
11 December 1947	Baradine Post Office, AU	daily rain	49.3 mm (1.9 in)	23.9 mm (0.9 in)	57 years	42 of 100 (Notable)
11 December 1947	Lower Bucca, AU	daily rain	69.9 mm (2.8 in)	58.0 mm (2.3 in)	36 years	42 of 100 (Notable)
11 December 1947	Kurrajong Heights (Bells Line, AU	daily rain	80.3 mm (3.2 in)	25.2 mm (1.0 in)	68 years	42 of 100 (Notable)
11 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)
11 December 1947	Kings Tablelands, AU	daily rain	62.2 mm (2.4 in)	40.9 mm (1.6 in)	26 years	39 of 100 (Notable)
11 December 1947	Richmond - Uws Hawkesbury, AU	daily rain	41.4 mm (1.6 in)	19.8 mm (0.8 in)	61 years	39 of 100 (Notable)
11 December 1947	Mittagong (Beatrice Street), AU	daily rain	44.7 mm (1.8 in)	24.4 mm (1.0 in)	51 years	38 of 100 (Notable)
11 December 1947	Ft Gaines, US	daily rain	48.3 mm (1.9 in)	30.5 mm (1.2 in)	52 years	38 of 100 (Notable)
11 December 1947	Ormesby, AU	daily rain	103.1 mm (4.1 in)	70.1 mm (2.8 in)	34 years	37 of 100 (Notable)
11 December 1947	Pilliga (Nirvana), AU	daily rain	48.5 mm (1.9 in)	30.0 mm (1.2 in)	42 years	37 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 1947

Records set or tied on this calendar date in each year from 1796 to 1947. 1947 had 342 records.

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

Records on 12-11 in each year
Year	Records
1796	2
1808	2
1815	2
1825	2
1841	1
1852	1
1855	2
1862	1
1868	1
1869	3
1871	4
1872	1
1876	2
1877	1
1878	2
1879	4
1880	2
1882	3
1886	1
1887	1
1889	1
1891	3
1892	2
1893	3
1894	1
1895	4
1897	2
1898	14
1899	5
1900	4
1901	5
1902	6
1903	2
1904	28
1905	15
1906	12
1907	30
1908	18
1909	7
1910	31
1911	49
1912	36
1913	8
1914	13
1915	93
1916	55
1917	103
1918	32
1919	40
1920	58
1921	49
1922	143
1923	88
1924	84
1925	81
1926	77
1927	232
1928	111
1929	345
1930	72
1931	762
1932	696
1933	260
1934	480
1935	290
1936	357
1937	839
1938	231
1939	626
1940	302
1941	353
1942	263
1943	196
1944	407
1945	234
1946	717
1947	342
1948	153
1949	1,201
1950	463
1951	261
1952	923
1953	157
1954	492
1955	312
1956	300
1957	517
1958	985
1959	322
1960	746
1961	1,300
1962	723
1963	604
1964	542
1965	1,216
1966	525
1967	945
1968	543
1969	587
1970	617
1971	900
1972	1,514
1973	334
1974	313
1975	454
1976	380
1977	1,182
1978	678
1979	847
1980	522
1981	949
1982	657
1983	971
1984	1,013
1985	1,471
1986	561
1987	639
1988	850
1989	584
1990	747
1991	1,102
1992	1,357
1993	749
1994	1,243
1995	1,837
1996	1,307
1997	1,203
1998	1,012
1999	769
2000	1,584
2001	626
2002	1,139
2003	646
2004	1,166
2005	816
2006	858
2007	1,613
2008	1,312
2009	1,091
2010	1,284
2011	416
2012	618
2013	737
2014	893
2015	1,183
2016	489
2017	670
2018	353
2019	442
2020	517
2021	1,175
2022	679
2023	814
2024	539
2025	1,691

Download the Data

Data for records on 1947-12-11: 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	277
50 to 100	15
100 to 150	3
150 to 200	0
200 to 250	0
250 to 300	1