Weather Records on 18 December 1947

266 weather records were set or tied worldwide on 18 December 1947. Highest significance: Yellavaram, IN.

Key Facts for 18 December 1947

On 18 December 1947, 266 weather records were set or tied at long-record stations worldwide.
33 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 257 daily.
Yellavaram set a daily record precipitation of 48.3 mm (1.9 in) on 18 December 1947.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 481 records.

Record Map

266 stations

266 station records on 18 December 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yellavaram	India	Record daily precipitation	48.3 mm (1.9 in)	57 of 100 (Notable)
Sira	India	Record daily precipitation	45.7 mm (1.8 in)	57 of 100 (Notable)
Tiptur	India	Record daily precipitation	81.3 mm (3.2 in)	56 of 100 (Notable)
Chikhalda Sr	India	Record daily precipitation	56.9 mm (2.2 in)	55 of 100 (Notable)
Kudal	India	Record daily precipitation	40.1 mm (1.6 in)	54 of 100 (Notable)
Khamgaon	India	Record daily precipitation	39.4 mm (1.6 in)	50 of 100 (Notable)
Fort Cochin	India	Record daily precipitation	64.5 mm (2.5 in)	48 of 100 (Notable)
Rapalle	India	Record daily precipitation	51.8 mm (2.0 in)	41 of 100 (Notable)
Ernakulam	India	Record daily precipitation	61.7 mm (2.4 in)	41 of 100 (Notable)
Mahbubnagar	India	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Agnes River	Australia	Record daily precipitation	38.4 mm (1.5 in)	37 of 100 (Notable)
Holenarsipur	India	Record daily precipitation	25.9 mm (1.0 in)	37 of 100 (Notable)
Edalabad	India	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Barkerville	Canada	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Barkerville	Canada	Record daily snowfall	27.9 cm (11.0 in)	35 of 100 (Notable)
Channarayapatna	India	Record daily precipitation	59.4 mm (2.3 in)	34 of 100 (Routine)
Fort Frances	Canada	Record daily snowfall	12.7 cm (5.0 in)	32 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record snow depth	11.0 cm (4.3 in)	31 of 100 (Routine)
Chiknayakanihall	India	Record daily precipitation	48.8 mm (1.9 in)	31 of 100 (Routine)
Mount Best (Upper Toora)	Australia	Record daily precipitation	32.3 mm (1.3 in)	30 of 100 (Routine)
Saanich Dom Astro Obs	Canada	Record daily precipitation	46.7 mm (1.8 in)	30 of 100 (Routine)
Addanki	India	Record daily precipitation	51.3 mm (2.0 in)	29 of 100 (Routine)
Polavaram	India	Record daily precipitation	25.4 mm (1.0 in)	28 of 100 (Routine)
Kudligi	India	Record daily precipitation	39.1 mm (1.5 in)	28 of 100 (Routine)
Ketty	India	Record daily precipitation	45.2 mm (1.8 in)	28 of 100 (Routine)
Sangareddi(Rev)	India	Record daily precipitation	41.7 mm (1.6 in)	27 of 100 (Routine)
Sao Luiz Do Curu	Brazil	Record daily precipitation	30.2 mm (1.2 in)	25 of 100 (Routine)
Beaver Lake	Canada	Record daily precipitation	49.5 mm (1.9 in)	25 of 100 (Routine)
Malayattur	India	Record daily precipitation	33.5 mm (1.3 in)	25 of 100 (Routine)
St Lin des Laurentides	Canada	Record daily snowfall	12.7 cm (5.0 in)	24 of 100 (Routine)
Tbilisi	Georgia	Record high maximum temperature	17.6 C (63.7 F)	24 of 100 (Routine)
Challakire	India	Record daily precipitation	31.8 mm (1.3 in)	24 of 100 (Routine)
Kimball 2NE	United States	Record high minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Lima East	Australia	Record daily precipitation	28.4 mm (1.1 in)	23 of 100 (Routine)
Morrisburg	Canada	Record daily snowfall	12.7 cm (5.0 in)	23 of 100 (Routine)
Devonport Harbour Master	Australia	Record daily precipitation	29.2 mm (1.1 in)	22 of 100 (Routine)
Forks 1 E	United States	Record daily precipitation	109.5 mm (4.3 in)	22 of 100 (Routine)
Kula Erehwon 328	United States	Record daily precipitation	30.7 mm (1.2 in)	22 of 100 (Routine)
Birtle	Canada	Record daily snowfall	5.1 cm (2.0 in)	21 of 100 (Routine)
Haiku 490	United States	Record daily precipitation	65.8 mm (2.6 in)	21 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record daily precipitation	11.8 mm (0.5 in)	20 of 100 (Routine)
Palermo	Italy	Record daily precipitation	17.1 mm (0.7 in)	20 of 100 (Routine)
Jeypore	India	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Nandigama	India	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Vayittiri	India	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Dwingelo	Netherlands	Record daily precipitation	22.0 mm (0.9 in)	20 of 100 (Routine)
Tubbul Post Office	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Condah	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Gurjala(Gurujala)	India	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Turuvekere	India	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Manantoddy	India	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Mortlake	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Kolhapur	India	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Janwada	India	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Molakmura	India	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Heggaddevankote	India	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Naradhan (Uralba)	Australia	Record daily precipitation	8.4 mm (0.33 in)	20 of 100 (Routine)
Madowla Park	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Yellamanchili	India	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Haveri	India	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

266 records

Records set or tied on 18 December 1947 by type: Highest daily maximum 7, Lowest daily maximum 8, Highest daily minimum 26, Lowest daily minimum 3, Heaviest daily rainfall 195, Heaviest daily snowfall 13, Deepest snow cover 14.

Records on 18 December 1947 by type
Record type	Records
Highest daily maximum	7
Lowest daily maximum	8
Highest daily minimum	26
Lowest daily minimum	3
Heaviest daily rainfall	195
Heaviest daily snowfall	13
Deepest snow cover	14

Records on 18 December 1947 by timescale: all-time 0, monthly 9, daily 257.

How Much Records Were Beaten By

233 broken records

Margins by which the 233 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

18 December 1947

Top 20 records on 18 December 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 1947	Yellavaram, IN	daily rain	48.3 mm (1.9 in)	48.3 mm (1.9 in)	45 years	57 of 100 (Notable)
18 December 1947	Sira, IN	daily rain	45.7 mm (1.8 in)	45.7 mm (1.8 in)	45 years	57 of 100 (Notable)
18 December 1947	Tiptur, IN	monthly rain	81.3 mm (3.2 in)	34.8 mm (1.4 in)	22 years	56 of 100 (Notable)
18 December 1947	Chikhalda Sr, IN	monthly rain	56.9 mm (2.2 in)	25.7 mm (1.0 in)	19 years	55 of 100 (Notable)
18 December 1947	Kudal, IN	daily rain	40.1 mm (1.6 in)	37.6 mm (1.5 in)	44 years	54 of 100 (Notable)
18 December 1947	Khamgaon, IN	daily rain	39.4 mm (1.6 in)	28.0 mm (1.1 in)	37 years	50 of 100 (Notable)
18 December 1947	Fort Cochin, IN	daily rain	64.5 mm (2.5 in)	60.4 mm (2.4 in)	40 years	48 of 100 (Notable)
18 December 1947	Rapalle, IN	daily rain	51.8 mm (2.0 in)	43.7 mm (1.7 in)	44 years	41 of 100 (Notable)
18 December 1947	Ernakulam, IN	daily rain	61.7 mm (2.4 in)	52.6 mm (2.1 in)	40 years	41 of 100 (Notable)
18 December 1947	Mahbubnagar, IN	monthly rain	45.7 mm (1.8 in)	13.9 mm (0.5 in)	44 years	40 of 100 (Notable)
18 December 1947	Agnes River, AU	daily rain	38.4 mm (1.5 in)	20.1 mm (0.8 in)	40 years	37 of 100 (Notable)
18 December 1947	Holenarsipur, IN	daily rain	25.9 mm (1.0 in)	23.4 mm (0.9 in)	40 years	37 of 100 (Notable)
18 December 1947	Edalabad, IN	daily rain	36.3 mm (1.4 in)	28.4 mm (1.1 in)	37 years	36 of 100 (Notable)
18 December 1947	Barkerville, CA	daily rain	27.9 mm (1.1 in)	12.7 mm (0.5 in)	36 years	35 of 100 (Notable)
18 December 1947	Barkerville, CA	daily snowfall	27.9 cm (11.0 in)	12.7 cm (5.0 in)	36 years	35 of 100 (Notable)
18 December 1947	Channarayapatna, IN	daily rain	59.4 mm (2.3 in)	34.8 mm (1.4 in)	13 years	34 of 100 (Routine)
18 December 1947	Fort Frances, CA	daily snowfall	12.7 cm (5.0 in)	5.1 cm (2.0 in)	54 years	32 of 100 (Routine)
18 December 1947	Leipzig-Holzhausen, DE	daily snow depth	11.0 cm (4.3 in)	3.0 cm (1.2 in)	68 years	31 of 100 (Routine)
18 December 1947	Chiknayakanihall, IN	monthly rain	48.8 mm (1.9 in)	8.7 mm (0.34 in)	31 years	31 of 100 (Routine)
18 December 1947	Mount Best (Upper Toora), AU	daily rain	32.3 mm (1.3 in)	15.0 mm (0.6 in)	40 years	30 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 1947

Records set or tied on this calendar date in each year from 1793 to 1947. 1947 had 266 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 1947-12-18: 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 20	195
20 to 40	24
40 to 60	10
60 to 80	2
80 to 100	0
100 to 120	1
120 to 140	1