Weather Records on 18 December 1946

199 weather records were set or tied worldwide on 18 December 1946. Highest significance: Liveringa Upper, AU.

Key Facts for 18 December 1946

On 18 December 1946, 199 weather records were set or tied at long-record stations worldwide.
27 were record highs and 65 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 8 monthly and 191 daily.
Liveringa Upper set a monthly record daily precipitation of 140.5 mm (5.5 in) on 18 December 1946.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 481 records.

Record Map

199 stations

199 station records on 18 December 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Liveringa Upper	Australia	Record daily precipitation	140.5 mm (5.5 in)	61 of 100 (Major)
Beatrice	Canada	Record daily snowfall	35.6 cm (14.0 in)	55 of 100 (Notable)
Areia Branca	Brazil	Record daily precipitation	41.3 mm (1.6 in)	53 of 100 (Notable)
Vicosa	Brazil	Record daily precipitation	42.1 mm (1.7 in)	43 of 100 (Notable)
Dom Mauricio	Brazil	Record daily precipitation	36.0 mm (1.4 in)	41 of 100 (Notable)
Vertentes	Brazil	Record daily precipitation	36.0 mm (1.4 in)	39 of 100 (Notable)
Atyrau	Kazakhstan	Record low minimum temperature	-32.4 C (-26.3 F)	36 of 100 (Notable)
Astrakan	Russia	Record low maximum temperature	-18.6 C (-1.5 F)	36 of 100 (Notable)
Wyndham Port	Australia	Record daily precipitation	97.3 mm (3.8 in)	35 of 100 (Notable)
Kimberley Downs	Australia	Record daily precipitation	55.9 mm (2.2 in)	34 of 100 (Routine)
Insizwa (Bos)	South Africa	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
Oombulgurri	Australia	Record daily precipitation	88.4 mm (3.5 in)	32 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	-27.2 C (-17.0 F)	31 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	-11.0 C (12.2 F)	31 of 100 (Routine)
Vicosa Do Ceara	Brazil	Record daily precipitation	85.6 mm (3.4 in)	30 of 100 (Routine)
Sable Island	Canada	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Palayankottai	India	Record daily precipitation	72.4 mm (2.9 in)	30 of 100 (Routine)
Luakaha Lower 782	United States	Record daily precipitation	109.2 mm (4.3 in)	30 of 100 (Routine)
Nabawa	Australia	Record high minimum temperature	25.7 C (78.3 F)	28 of 100 (Routine)
Crateus	Brazil	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Pombal	Brazil	Record daily precipitation	27.3 mm (1.1 in)	28 of 100 (Routine)
Serra Negra Do Norte	Brazil	Record daily precipitation	38.0 mm (1.5 in)	28 of 100 (Routine)
Meruoca	Brazil	Record daily precipitation	42.6 mm (1.7 in)	26 of 100 (Routine)
Carire	Brazil	Record daily precipitation	41.8 mm (1.6 in)	26 of 100 (Routine)
Uruque	Brazil	Record daily precipitation	25.5 mm (1.0 in)	26 of 100 (Routine)
Andenes	Norway	Record high minimum temperature	4.7 C (40.5 F)	26 of 100 (Routine)
Kislovodsk	Russia	Record low minimum temperature	-18.9 C (-2.0 F)	26 of 100 (Routine)
Laurel	United States	Record daily precipitation	47.5 mm (1.9 in)	26 of 100 (Routine)
Hilo 86A	United States	Record daily precipitation	129.5 mm (5.1 in)	26 of 100 (Routine)
Yeeda	Australia	Record daily precipitation	50.8 mm (2.0 in)	25 of 100 (Routine)
Pedra Branca	Brazil	Record daily precipitation	40.1 mm (1.6 in)	24 of 100 (Routine)
Kattumavadi	India	Record daily precipitation	109.0 mm (4.3 in)	24 of 100 (Routine)
Kadayam	India	Record daily precipitation	72.4 mm (2.9 in)	24 of 100 (Routine)
Simferopol	Ukraine	Record low minimum temperature	-17.4 C (0.7 F)	24 of 100 (Routine)
Ansonia 2 W	United States	Record daily precipitation	52.1 mm (2.1 in)	24 of 100 (Routine)
Vajda-Guba	Russia	Record high minimum temperature	1.0 C (33.8 F)	23 of 100 (Routine)
Feodosiia	Ukraine	Record low minimum temperature	-16.3 C (2.7 F)	22 of 100 (Routine)
Monsenhor Tabosa	Brazil	Record daily precipitation	30.0 mm (1.2 in)	21 of 100 (Routine)
Barkestad	Norway	Record daily precipitation	29.5 mm (1.2 in)	21 of 100 (Routine)
Tonti (Bos)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	21 of 100 (Routine)
Tempe 3 S	United States	Record high maximum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Hana 354	United States	Record daily precipitation	35.6 mm (1.4 in)	21 of 100 (Routine)
Kawai Iki Intake 880	United States	Record daily precipitation	116.8 mm (4.6 in)	21 of 100 (Routine)
Khandwa	India	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Araruna	Brazil	Record daily precipitation	17.2 mm (0.7 in)	20 of 100 (Routine)
Kholapur	India	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Sao Joao Do Jaguaribe	Brazil	Record daily precipitation	24.0 mm (0.9 in)	20 of 100 (Routine)
Picui	Brazil	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Landor	Australia	Record daily precipitation	6.1 mm (0.24 in)	20 of 100 (Routine)
Dharni	India	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
New Westminster	Canada	Record daily snowfall	0.8 cm (0.3 in)	20 of 100 (Routine)
Sertania (Alagoa de Baixo)	Brazil	Record daily precipitation	18.2 mm (0.7 in)	20 of 100 (Routine)
Elatma	Russia	Record low minimum temperature	-30.8 C (-23.4 F)	20 of 100 (Routine)
Kislovodsk	Russia	Record low maximum temperature	-13.2 C (8.2 F)	20 of 100 (Routine)
Franklinton	United States	Record daily precipitation	51.1 mm (2.0 in)	20 of 100 (Routine)
Blaine	United States	Record low maximum temperature	0.6 C (33.1 F)	20 of 100 (Routine)
Atalaia	Brazil	Record daily precipitation	19.1 mm (0.8 in)	19 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record high minimum temperature	1.0 C (33.8 F)	19 of 100 (Routine)
Arni	India	Record daily precipitation	43.2 mm (1.7 in)	19 of 100 (Routine)
Feodosiia	Ukraine	Record low maximum temperature	-9.6 C (14.7 F)	19 of 100 (Routine)

Counts by Type and Timescale

199 records

Records set or tied on 18 December 1946 by type: Highest daily maximum 9, Lowest daily maximum 32, Highest daily minimum 18, Lowest daily minimum 33, Heaviest daily rainfall 94, Heaviest daily snowfall 13.

Records on 18 December 1946 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	32
Highest daily minimum	18
Lowest daily minimum	33
Heaviest daily rainfall	94
Heaviest daily snowfall	13
Deepest snow cover	0

Records on 18 December 1946 by timescale: all-time 0, monthly 8, daily 191.

How Much Records Were Beaten By

178 broken records

Margins by which the 178 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 204.0. Ties are not counted.

Top 20 by Significance

18 December 1946

Top 20 records on 18 December 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 1946	Liveringa Upper, AU	monthly rain	140.5 mm (5.5 in)	55.7 mm (2.2 in)	25 years	61 of 100 (Major)
18 December 1946	Beatrice, CA	daily snowfall	35.6 cm (14.0 in)	20.4 cm (8.0 in)	66 years	55 of 100 (Notable)
18 December 1946	Areia Branca, BR	daily rain	41.3 mm (1.6 in)	41.3 mm (1.6 in)	35 years	53 of 100 (Notable)
18 December 1946	Vicosa, BR	daily rain	42.1 mm (1.7 in)	31.6 mm (1.2 in)	5 years	43 of 100 (Notable)
18 December 1946	Dom Mauricio, BR	daily rain	36.0 mm (1.4 in)	32.8 mm (1.3 in)	7 years	41 of 100 (Notable)
18 December 1946	Vertentes, BR	daily rain	36.0 mm (1.4 in)	32.5 mm (1.3 in)	7 years	39 of 100 (Notable)
18 December 1946	Atyrau, KZ	daily low min	-32.4 C (-26.3 F)	8.0 C (14.4 F)	64 years	36 of 100 (Notable)
18 December 1946	Astrakan, RU	daily low max	-18.6 C (-1.5 F)	6.2 C (11.2 F)	64 years	36 of 100 (Notable)
18 December 1946	Wyndham Port, AU	monthly rain	97.3 mm (3.8 in)	16.0 mm (0.6 in)	29 years	35 of 100 (Notable)
18 December 1946	Kimberley Downs, AU	daily rain	55.9 mm (2.2 in)	35.6 mm (1.4 in)	24 years	34 of 100 (Routine)
18 December 1946	Insizwa (Bos), ZA	daily rain	45.7 mm (1.8 in)	24.4 mm (1.0 in)	24 years	33 of 100 (Routine)
18 December 1946	Oombulgurri, AU	daily rain	88.4 mm (3.5 in)	41.9 mm (1.6 in)	27 years	32 of 100 (Routine)
18 December 1946	Astrakan, RU	daily low min	-27.2 C (-17.0 F)	3.9 C (7.0 F)	64 years	31 of 100 (Routine)
18 December 1946	Kristianstad, SE	daily low min	-11.0 C (12.2 F)	4.0 C (7.2 F)	55 years	31 of 100 (Routine)
18 December 1946	Vicosa Do Ceara, BR	monthly rain	85.6 mm (3.4 in)	18.6 mm (0.7 in)	16 years	30 of 100 (Routine)
18 December 1946	Sable Island, CA	daily rain	50.8 mm (2.0 in)	20.6 mm (0.8 in)	16 years	30 of 100 (Routine)
18 December 1946	Palayankottai, IN	daily rain	72.4 mm (2.9 in)	45.0 mm (1.8 in)	32 years	30 of 100 (Routine)
18 December 1946	Luakaha Lower 782, US	daily rain	109.2 mm (4.3 in)	47.2 mm (1.9 in)	29 years	30 of 100 (Routine)
18 December 1946	Nabawa, AU	daily high min	25.7 C (78.3 F)	5.6 C (10.1 F)	24 years	28 of 100 (Routine)
18 December 1946	Crateus, BR	daily rain	31.8 mm (1.3 in)	23.3 mm (0.9 in)	36 years	28 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

1793 to 1946

Records set or tied on this calendar date in each year from 1793 to 1946. 1946 had 199 records.

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

Records on 12-18 in each year
Year	Records
1793	1
1796	1
1805	1
1814	1
1825	1
1846	1
1849	1
1852	2
1858	1
1859	4
1862	2
1864	1
1868	1
1873	1
1875	1
1876	2
1878	1
1881	2
1882	1
1884	2
1886	1
1887	1
1888	1
1889	4
1890	5
1892	4
1894	8
1895	1
1897	4
1898	9
1899	3
1900	2
1901	6
1902	33
1903	11
1904	25
1905	3
1906	21
1907	15
1908	16
1909	18
1910	19
1911	9
1912	33
1913	38
1914	20
1915	28
1916	57
1917	62
1918	21
1919	117
1920	77
1921	123
1922	108
1923	378
1924	480
1925	74
1926	173
1927	151
1928	165
1929	366
1930	230
1931	360
1932	353
1933	506
1934	209
1935	138
1936	466
1937	459
1938	185
1939	900
1940	242
1941	213
1942	281
1943	419
1944	191
1945	598
1946	199
1947	266
1948	354
1949	561
1950	289
1951	867
1952	450
1953	373
1954	507
1955	611
1956	333
1957	901
1958	524
1959	477
1960	477
1961	885
1962	759
1963	571
1964	840
1965	402
1966	644
1967	1,105
1968	488
1969	376
1970	502
1971	387
1972	375
1973	1,008
1974	229
1975	625
1976	459
1977	992
1978	946
1979	1,087
1980	772
1981	1,362
1982	537
1983	2,014
1984	1,439
1985	1,384
1986	875
1987	1,505
1988	1,061
1989	1,818
1990	1,367
1991	756
1992	1,045
1993	697
1994	643
1995	1,065
1996	1,833
1997	1,195
1998	863
1999	923
2000	1,572
2001	906
2002	1,437
2003	987
2004	506
2005	987
2006	1,167
2007	746
2008	1,014
2009	1,253
2010	1,322
2011	697
2012	729
2013	513
2014	556
2015	1,254
2016	1,821
2017	516
2018	464
2019	679
2020	326
2021	762
2022	536
2023	1,293
2024	780
2025	994

Download the Data

Data for records on 1946-12-18: 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	176
50 to 100	1
100 to 150	0
150 to 200	0
200 to 250	1