Weather Records on 1 December 1946

224 weather records were set or tied worldwide on 1 December 1946. Highest significance: Swan Hill (Murray Downs), AU.

Key Facts for 1 December 1946

On 1 December 1946, 224 weather records were set or tied at long-record stations worldwide.
118 were record highs and 24 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 217 daily.
Swan Hill (Murray Downs) set a daily record precipitation of 28.7 mm (1.1 in) on 1 December 1946.
Across 162 earlier years (1797 to 2025) the same calendar date averaged 485 records.

Record Map

224 stations

224 station records on 1 December 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 December 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Swan Hill (Murray Downs)	Australia	Record daily precipitation	28.7 mm (1.1 in)	44 of 100 (Notable)
Ponneri	India	Record daily precipitation	171.5 mm (6.8 in)	36 of 100 (Notable)
Ennore Obsy	India	Record daily precipitation	221.2 mm (8.7 in)	35 of 100 (Notable)
Athipettu	India	Record daily precipitation	156.2 mm (6.1 in)	33 of 100 (Routine)
Arantangi	India	Record daily precipitation	65.3 mm (2.6 in)	32 of 100 (Routine)
Sable Island	Canada	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Kattumavadi	India	Record daily precipitation	58.4 mm (2.3 in)	30 of 100 (Routine)
Manohar Thana	India	Record daily precipitation	26.7 mm (1.1 in)	29 of 100 (Routine)
Karambakkudi	India	Record daily precipitation	55.9 mm (2.2 in)	29 of 100 (Routine)
La Pocatiere Cda	Canada	Record daily snowfall	15.2 cm (6.0 in)	28 of 100 (Routine)
Sholingur	India	Record daily precipitation	56.4 mm (2.2 in)	27 of 100 (Routine)
Iluppur	India	Record daily precipitation	52.8 mm (2.1 in)	27 of 100 (Routine)
Chapel Hill 2 W	United States	Record high maximum temperature	27.8 C (82.0 F)	27 of 100 (Routine)
Bancroft	Canada	Record low maximum temperature	-20.6 C (-5.1 F)	25 of 100 (Routine)
Pudukkottai	India	Record daily precipitation	43.2 mm (1.7 in)	25 of 100 (Routine)
Alangudi	India	Record daily precipitation	55.6 mm (2.2 in)	25 of 100 (Routine)
Muthupet	India	Record daily precipitation	63.5 mm (2.5 in)	24 of 100 (Routine)
Tirumayam	India	Record daily precipitation	48.3 mm (1.9 in)	24 of 100 (Routine)
Kilanilai	India	Record daily precipitation	47.8 mm (1.9 in)	24 of 100 (Routine)
Caetite	Brazil	Record daily precipitation	45.7 mm (1.8 in)	23 of 100 (Routine)
Cheyyar	India	Record daily precipitation	82.0 mm (3.2 in)	23 of 100 (Routine)
Tiruttani	India	Record daily precipitation	83.8 mm (3.3 in)	23 of 100 (Routine)
Tuba City	United States	Record high maximum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Cape May 2 NW	United States	Record high minimum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Carlton Hill	Australia	Record daily precipitation	58.4 mm (2.3 in)	22 of 100 (Routine)
Woodstock	Canada	Record daily snowfall	20.3 cm (8.0 in)	22 of 100 (Routine)
Harrison 1 NNW	United States	Record daily precipitation	43.2 mm (1.7 in)	22 of 100 (Routine)
Winnemucca AP	United States	Record high maximum temperature	16.1 C (61.0 F)	22 of 100 (Routine)
Rio de Contas	Brazil	Record daily precipitation	70.5 mm (2.8 in)	21 of 100 (Routine)
Sullurpet	India	Record daily precipitation	45.0 mm (1.8 in)	21 of 100 (Routine)
Morekulam	India	Record daily precipitation	59.7 mm (2.4 in)	21 of 100 (Routine)
Oracle	United States	Record high minimum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
Folsom	United States	Record high minimum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
Khajwa	India	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Agar	India	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Jaora	India	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Dug (Dag)	India	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Chhota-Udepur	India	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Sitamau	India	Record daily precipitation	4.6 mm (0.18 in)	20 of 100 (Routine)
Susner	India	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Vattaram	India	Record daily precipitation	30.0 mm (1.2 in)	20 of 100 (Routine)
Bundaberg Post Office	Australia	Record high minimum temperature	23.9 C (75.0 F)	19 of 100 (Routine)
Chandragiri	India	Record daily precipitation	32.5 mm (1.3 in)	19 of 100 (Routine)
Pakala	India	Record daily precipitation	34.5 mm (1.4 in)	19 of 100 (Routine)
Pattukkottai	India	Record daily precipitation	57.4 mm (2.3 in)	19 of 100 (Routine)
Adirampatanam	India	Record daily precipitation	60.2 mm (2.4 in)	19 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	8.4 C (47.1 F)	19 of 100 (Routine)
Parker	United States	Record high maximum temperature	28.9 C (84.0 F)	19 of 100 (Routine)
Saint Johns	United States	Record high maximum temperature	21.7 C (71.1 F)	19 of 100 (Routine)
St Ignace	United States	Record low minimum temperature	-16.1 C (3.0 F)	19 of 100 (Routine)
Mountainair	United States	Record high maximum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Williamson	United States	Record high maximum temperature	25.0 C (77.0 F)	19 of 100 (Routine)
Terrace	Canada	Record daily snowfall	10.2 cm (4.0 in)	18 of 100 (Routine)
Nominingue	Canada	Record daily snowfall	10.2 cm (4.0 in)	18 of 100 (Routine)
Shivpuri	India	Record daily precipitation	2.5 mm (0.10 in)	18 of 100 (Routine)
Karera	India	Record daily precipitation	2.5 mm (0.10 in)	18 of 100 (Routine)
Neidavasal	India	Record daily precipitation	79.8 mm (3.1 in)	18 of 100 (Routine)
Kirensk	Russia	Record low minimum temperature	-45.0 C (-49.0 F)	18 of 100 (Routine)
Williams	United States	Record high minimum temperature	1.7 C (35.1 F)	18 of 100 (Routine)
Visalia	United States	Record low maximum temperature	9.4 C (48.9 F)	18 of 100 (Routine)

Counts by Type and Timescale

224 records

Records set or tied on 1 December 1946 by type: Highest daily maximum 77, Lowest daily maximum 16, Highest daily minimum 41, Lowest daily minimum 8, Heaviest daily rainfall 71, Heaviest daily snowfall 10, Deepest snow cover 1.

Records on 1 December 1946 by type
Record type	Records
Highest daily maximum	77
Lowest daily maximum	16
Highest daily minimum	41
Lowest daily minimum	8
Heaviest daily rainfall	71
Heaviest daily snowfall	10
Deepest snow cover	1

Records on 1 December 1946 by timescale: all-time 0, monthly 7, daily 217.

How Much Records Were Beaten By

169 broken records

Margins by which the 169 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 101.0. Ties are not counted.

Top 20 by Significance

1 December 1946

Top 20 records on 1 December 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 December 1946	Swan Hill (Murray Downs), AU	daily rain	28.7 mm (1.1 in)	17.3 mm (0.7 in)	58 years	44 of 100 (Notable)
1 December 1946	Ponneri, IN	daily rain	171.5 mm (6.8 in)	86.4 mm (3.4 in)	20 years	36 of 100 (Notable)
1 December 1946	Ennore Obsy, IN	monthly rain	221.2 mm (8.7 in)	54.8 mm (2.2 in)	3 years	35 of 100 (Notable)
1 December 1946	Athipettu, IN	daily rain	156.2 mm (6.1 in)	63.5 mm (2.5 in)	20 years	33 of 100 (Routine)
1 December 1946	Arantangi, IN	daily rain	65.3 mm (2.6 in)	35.6 mm (1.4 in)	20 years	32 of 100 (Routine)
1 December 1946	Sable Island, CA	daily rain	44.5 mm (1.8 in)	13.0 mm (0.5 in)	41 years	30 of 100 (Routine)
1 December 1946	Kattumavadi, IN	daily rain	58.4 mm (2.3 in)	31.5 mm (1.2 in)	33 years	30 of 100 (Routine)
1 December 1946	Manohar Thana, IN	daily rain	26.7 mm (1.1 in)	26.4 mm (1.0 in)	17 years	29 of 100 (Routine)
1 December 1946	Karambakkudi, IN	daily rain	55.9 mm (2.2 in)	25.4 mm (1.0 in)	44 years	29 of 100 (Routine)
1 December 1946	La Pocatiere Cda, CA	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	24 years	28 of 100 (Routine)
1 December 1946	Sholingur, IN	daily rain	56.4 mm (2.2 in)	40.7 mm (1.6 in)	27 years	27 of 100 (Routine)
1 December 1946	Iluppur, IN	daily rain	52.8 mm (2.1 in)	26.6 mm (1.0 in)	27 years	27 of 100 (Routine)
1 December 1946	Chapel Hill 2 W, US	monthly high max	27.8 C (82.0 F)	1.7 C (3.1 F)	33 years	27 of 100 (Routine)
1 December 1946	Bancroft, CA	daily low max	-20.6 C (-5.1 F)	8.9 C (16.0 F)	19 years	25 of 100 (Routine)
1 December 1946	Pudukkottai, IN	daily rain	43.2 mm (1.7 in)	16.5 mm (0.6 in)	44 years	25 of 100 (Routine)
1 December 1946	Alangudi, IN	daily rain	55.6 mm (2.2 in)	16.5 mm (0.6 in)	44 years	25 of 100 (Routine)
1 December 1946	Muthupet, IN	daily rain	63.5 mm (2.5 in)	21.1 mm (0.8 in)	44 years	24 of 100 (Routine)
1 December 1946	Tirumayam, IN	daily rain	48.3 mm (1.9 in)	11.5 mm (0.5 in)	43 years	24 of 100 (Routine)
1 December 1946	Kilanilai, IN	daily rain	47.8 mm (1.9 in)	28.2 mm (1.1 in)	16 years	24 of 100 (Routine)
1 December 1946	Caetite, BR	daily rain	45.7 mm (1.8 in)	19.7 mm (0.8 in)	24 years	23 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 1946

Records set or tied on this calendar date in each year from 1797 to 1946. 1946 had 224 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 1946-12-01: 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	146
20 to 40	16
40 to 60	3
60 to 80	2
80 to 100	1
100 to 120	1