Weather Records on 1 December 1947

392 weather records were set or tied worldwide on 1 December 1947. Highest significance: Ubajara, BR.

Key Facts for 1 December 1947

On 1 December 1947, 392 weather records were set or tied at long-record stations worldwide.
47 were record highs and 66 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 378 daily.
Ubajara set a monthly record daily precipitation of 135.0 mm (5.3 in) on 1 December 1947.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 484 records.

Record Map

392 stations

392 station records on 1 December 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ubajara	Brazil	Record daily precipitation	135.0 mm (5.3 in)	61 of 100 (Major)
Chaplin	Canada	Record daily snowfall	15.2 cm (6.0 in)	60 of 100 (Major)
Moose Jaw Chab	Canada	Record daily snowfall	12.7 cm (5.0 in)	48 of 100 (Notable)
Kybybolite Research Centre	Australia	Record daily precipitation	43.7 mm (1.7 in)	46 of 100 (Notable)
Blackville Post Office	Australia	Record daily precipitation	46.5 mm (1.8 in)	46 of 100 (Notable)
Caron	Canada	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
Ibiapina	Brazil	Record daily precipitation	108.0 mm (4.3 in)	45 of 100 (Notable)
Eureka	United States	Record snow depth	38.1 cm (15.0 in)	44 of 100 (Notable)
Major Isidoro (Sertaozinho)	Brazil	Record daily precipitation	91.2 mm (3.6 in)	42 of 100 (Notable)
Cooma	Australia	Record daily precipitation	44.5 mm (1.8 in)	40 of 100 (Notable)
Bottineau	United States	Record snow depth	17.8 cm (7.0 in)	39 of 100 (Notable)
Goldbutte 7 N	United States	Record daily snowfall	11.7 cm (4.6 in)	36 of 100 (Notable)
Wyanga (Barcoo)	Australia	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Prickley Range	Australia	Record daily precipitation	44.7 mm (1.8 in)	34 of 100 (Routine)
Newgate	Canada	Record daily snowfall	15.2 cm (6.0 in)	34 of 100 (Routine)
Argyle Downs	Australia	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
Black Creek	Australia	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Britton	United States	Record snow depth	27.9 cm (11.0 in)	33 of 100 (Routine)
Murgon Post Office	Australia	Record daily precipitation	65.5 mm (2.6 in)	32 of 100 (Routine)
Wingen (Murrulla)	Australia	Record daily precipitation	40.1 mm (1.6 in)	32 of 100 (Routine)
Armagh	United Kingdom	Record low maximum temperature	-0.2 C (31.6 F)	32 of 100 (Routine)
Pattiway	United States	Record daily precipitation	27.4 mm (1.1 in)	32 of 100 (Routine)
Cassilis Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	31 of 100 (Routine)
Tiangua	Brazil	Record daily precipitation	89.8 mm (3.5 in)	31 of 100 (Routine)
Durham	United Kingdom	Record low maximum temperature	-1.7 C (28.9 F)	31 of 100 (Routine)
Pine Ridge (Mooki Springs)	Australia	Record daily precipitation	30.7 mm (1.2 in)	30 of 100 (Routine)
Wollar (Barrigan St)	Australia	Record daily precipitation	26.7 mm (1.1 in)	30 of 100 (Routine)
Lorquon	Australia	Record daily precipitation	25.9 mm (1.0 in)	30 of 100 (Routine)
Guaraciaba Do Norte	Brazil	Record daily precipitation	65.0 mm (2.6 in)	30 of 100 (Routine)
Blackville (Welton Dale)	Australia	Record daily precipitation	32.8 mm (1.3 in)	29 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low minimum temperature	-0.8 C (30.6 F)	29 of 100 (Routine)
Plevna	United States	Record daily snowfall	5.6 cm (2.2 in)	29 of 100 (Routine)
Mayville	United States	Record snow depth	33.0 cm (13.0 in)	29 of 100 (Routine)
Mellette 4 W	United States	Record snow depth	22.9 cm (9.0 in)	29 of 100 (Routine)
Merriwa (Cranbourne)	Australia	Record daily precipitation	38.9 mm (1.5 in)	28 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record daily precipitation	42.0 mm (1.7 in)	28 of 100 (Routine)
Fort Macleod	Canada	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)
Brandon Cda	Canada	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)
Odesa	Ukraine	Record high maximum temperature	16.0 C (60.8 F)	27 of 100 (Routine)
Muswellbrook (Lower Hill St)	Australia	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Goulburn (Pomeroy)	Australia	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Wakool (Calimo)	Australia	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Quirindi Post Office	Australia	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Bunnan (Milhaven)	Australia	Record daily precipitation	37.1 mm (1.5 in)	25 of 100 (Routine)
Trunkey Creek (Trunkey (Black	Australia	Record daily precipitation	62.5 mm (2.5 in)	25 of 100 (Routine)
Kilauea 1134	United States	Record high minimum temperature	23.3 C (73.9 F)	25 of 100 (Routine)
Pine Creek	Australia	Record daily precipitation	51.3 mm (2.0 in)	24 of 100 (Routine)
Western Creek	Australia	Record daily precipitation	36.6 mm (1.4 in)	24 of 100 (Routine)
Pincher Creek Town	Canada	Record daily snowfall	16.5 cm (6.5 in)	24 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	1.7 C (35.1 F)	24 of 100 (Routine)
Earlington	United States	Record low minimum temperature	-10.6 C (12.9 F)	24 of 100 (Routine)
Balfes Creek Post Office	Australia	Record daily precipitation	47.0 mm (1.9 in)	23 of 100 (Routine)
Denman (Palace Street)	Australia	Record daily precipitation	28.7 mm (1.1 in)	23 of 100 (Routine)
Yellow Grass	Canada	Record daily snowfall	7.6 cm (3.0 in)	23 of 100 (Routine)
Loa	United States	Record high minimum temperature	-2.2 C (28.0 F)	23 of 100 (Routine)
Traipu	Brazil	Record daily precipitation	55.5 mm (2.2 in)	22 of 100 (Routine)
Tobias Barreto	Brazil	Record daily precipitation	56.4 mm (2.2 in)	22 of 100 (Routine)
Pedro II	Brazil	Record daily precipitation	29.0 mm (1.1 in)	21 of 100 (Routine)
Welverdiend (Pol)	South Africa	Record daily precipitation	37.3 mm (1.5 in)	21 of 100 (Routine)
Cet Central England	United Kingdom	Record low minimum temperature	-6.4 C (20.5 F)	21 of 100 (Routine)

Counts by Type and Timescale

392 records

Records set or tied on 1 December 1947 by type: Highest daily maximum 9, Lowest daily maximum 14, Highest daily minimum 38, Lowest daily minimum 52, Heaviest daily rainfall 233, Heaviest daily snowfall 33, Deepest snow cover 13.

Records on 1 December 1947 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	14
Highest daily minimum	38
Lowest daily minimum	52
Heaviest daily rainfall	233
Heaviest daily snowfall	33
Deepest snow cover	13

Records on 1 December 1947 by timescale: all-time 0, monthly 14, daily 378.

How Much Records Were Beaten By

344 broken records

Margins by which the 344 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

1 December 1947

Top 20 records on 1 December 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1947	Ubajara, BR	monthly rain	135.0 mm (5.3 in)	68.9 mm (2.7 in)	31 years	61 of 100 (Major)
1 December 1947	Chaplin, CA	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	57 years	60 of 100 (Major)
1 December 1947	Moose Jaw Chab, CA	daily snowfall	12.7 cm (5.0 in)	8.9 cm (3.5 in)	20 years	48 of 100 (Notable)
1 December 1947	Kybybolite Research Centre, AU	daily rain	43.7 mm (1.7 in)	30.0 mm (1.2 in)	9 years	46 of 100 (Notable)
1 December 1947	Blackville Post Office, AU	daily rain	46.5 mm (1.8 in)	29.7 mm (1.2 in)	58 years	46 of 100 (Notable)
1 December 1947	Caron, CA	daily snowfall	12.7 cm (5.0 in)	11.4 cm (4.5 in)	10 years	46 of 100 (Notable)
1 December 1947	Ibiapina, BR	monthly rain	108.0 mm (4.3 in)	40.8 mm (1.6 in)	22 years	45 of 100 (Notable)
1 December 1947	Eureka, US	monthly snow depth	38.1 cm (15.0 in)	15.2 cm (6.0 in)	2 years	44 of 100 (Notable)
1 December 1947	Major Isidoro (Sertaozinho), BR	monthly rain	91.2 mm (3.6 in)	35.4 mm (1.4 in)	17 years	42 of 100 (Notable)
1 December 1947	Cooma, AU	daily rain	44.5 mm (1.8 in)	27.0 mm (1.1 in)	17 years	40 of 100 (Notable)
1 December 1947	Bottineau, US	monthly snow depth	17.8 cm (7.0 in)	7.6 cm (3.0 in)	6 years	39 of 100 (Notable)
1 December 1947	Goldbutte 7 N, US	daily snowfall	11.7 cm (4.6 in)	9.2 cm (3.6 in)	18 years	36 of 100 (Notable)
1 December 1947	Wyanga (Barcoo), AU	daily rain	47.0 mm (1.9 in)	25.4 mm (1.0 in)	36 years	35 of 100 (Notable)
1 December 1947	Prickley Range, AU	daily rain	44.7 mm (1.8 in)	21.8 mm (0.9 in)	26 years	34 of 100 (Routine)
1 December 1947	Newgate, CA	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	26 years	34 of 100 (Routine)
1 December 1947	Argyle Downs, AU	daily rain	42.7 mm (1.7 in)	29.2 mm (1.1 in)	24 years	33 of 100 (Routine)
1 December 1947	Black Creek, AU	daily rain	40.6 mm (1.6 in)	25.4 mm (1.0 in)	30 years	33 of 100 (Routine)
1 December 1947	Britton, US	monthly snow depth	27.9 cm (11.0 in)	7.6 cm (3.0 in)	22 years	33 of 100 (Routine)
1 December 1947	Murgon Post Office, AU	daily rain	65.5 mm (2.6 in)	34.8 mm (1.4 in)	32 years	32 of 100 (Routine)
1 December 1947	Wingen (Murrulla), AU	daily rain	40.1 mm (1.6 in)	21.6 mm (0.9 in)	26 years	32 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

1797 to 1947

Records set or tied on this calendar date in each year from 1797 to 1947. 1947 had 392 records.

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

Records on 12-01 in each year
Year	Records
1797	1
1805	1
1807	2
1810	1
1817	2
1821	1
1823	2
1831	1
1849	1
1856	3
1857	1
1858	1
1861	1
1863	1
1869	2
1871	1
1872	3
1873	6
1875	8
1876	4
1877	1
1879	7
1884	3
1885	3
1886	1
1887	2
1888	3
1889	2
1890	6
1891	1
1892	2
1893	1
1894	1
1895	4
1896	4
1897	10
1898	5
1899	4
1901	5
1902	7
1903	13
1904	4
1905	11
1906	3
1907	8
1908	40
1909	64
1910	39
1911	45
1912	37
1913	53
1914	142
1915	23
1916	29
1917	52
1918	32
1919	78
1920	192
1921	55
1922	85
1923	70
1924	135
1925	145
1926	115
1927	271
1928	85
1929	515
1930	128
1931	337
1932	383
1933	656
1934	667
1935	164
1936	433
1937	238
1938	159
1939	346
1940	300
1941	391
1942	424
1943	93
1944	478
1945	259
1946	224
1947	392
1948	252
1949	313
1950	437
1951	585
1952	762
1953	283
1954	308
1955	624
1956	338
1957	295
1958	531
1959	355
1960	258
1961	373
1962	1,073
1963	282
1964	1,181
1965	598
1966	995
1967	601
1968	883
1969	673
1970	1,299
1971	574
1972	843
1973	888
1974	1,339
1975	1,007
1976	1,294
1977	1,166
1978	777
1979	874
1980	1,019
1981	1,320
1982	1,759
1983	1,275
1984	513
1985	3,874
1986	803
1987	1,020
1988	538
1989	822
1990	514
1991	2,124
1992	552
1993	597
1994	717
1995	1,386
1996	1,448
1997	736
1998	1,698
1999	790
2000	777
2001	1,211
2002	637
2003	627
2004	1,033
2005	815
2006	2,866
2007	1,427
2008	879
2009	927
2010	1,991
2011	947
2012	1,027
2013	400
2014	677
2015	850
2016	384
2017	496
2018	807
2019	803
2020	567
2021	2,030
2022	584
2023	609
2024	636
2025	679

Download the Data

Data for records on 1947-12-01: 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 20	295
20 to 40	27
40 to 60	8
60 to 80	6
80 to 100	2
100 to 120	1
120 to 140	4
140 to 160	1