Weather Records on 15 December 1948

1,239 weather records were set or tied worldwide on 15 December 1948. Highest significance: Marietta Wtr Wks, US.

Key Facts for 15 December 1948

On 15 December 1948, 1,239 weather records were set or tied at long-record stations worldwide.
685 were record highs and 96 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 178 monthly and 1,059 daily.
Marietta Wtr Wks set a monthly record daily precipitation of 71.1 mm (2.8 in) on 15 December 1948.
Across 168 earlier years (1793 to 2025) the same calendar date averaged 451 records.

Record Map

1,239 stations

1,239 station records on 15 December 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 December 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marietta Wtr Wks	United States	Record daily precipitation	71.1 mm (2.8 in)	61 of 100 (Major)
Jackson 3 NW	United States	Record daily precipitation	84.6 mm (3.3 in)	58 of 100 (Notable)
Peebles 1 S	United States	Record daily precipitation	98.3 mm (3.9 in)	58 of 100 (Notable)
Conway	United States	Record daily precipitation	118.9 mm (4.7 in)	57 of 100 (Notable)
Greensburg	United States	Record daily precipitation	66.0 mm (2.6 in)	57 of 100 (Notable)
Grantsville	United States	Record daily precipitation	51.6 mm (2.0 in)	57 of 100 (Notable)
Bens Run 1 SSE	United States	Record daily precipitation	68.6 mm (2.7 in)	57 of 100 (Notable)
Grafton 1 NE	United States	Record daily precipitation	51.8 mm (2.0 in)	56 of 100 (Notable)
Carrollton Lock 1	United States	Record daily precipitation	73.7 mm (2.9 in)	54 of 100 (Notable)
Falmouth	United States	Record daily precipitation	77.2 mm (3.0 in)	53 of 100 (Notable)
Clay	United States	Record daily precipitation	52.1 mm (2.1 in)	53 of 100 (Notable)
St Marys	United States	Record daily precipitation	46.7 mm (1.8 in)	53 of 100 (Notable)
Portsmouth-Sciotoville	United States	Record daily precipitation	58.4 mm (2.3 in)	52 of 100 (Notable)
Belleville Dam 2O	United States	Record daily precipitation	72.4 mm (2.9 in)	52 of 100 (Notable)
Cairo 3 S	United States	Record daily precipitation	68.6 mm (2.7 in)	52 of 100 (Notable)
Creston	United States	Record daily precipitation	58.4 mm (2.3 in)	52 of 100 (Notable)
Pickens 1	United States	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Ravenswood Lock Park	United States	Record daily precipitation	54.6 mm (2.1 in)	52 of 100 (Notable)
Koshkonong	United States	Record daily precipitation	75.9 mm (3.0 in)	51 of 100 (Notable)
Somerset Main Street	United States	Record daily precipitation	37.1 mm (1.5 in)	51 of 100 (Notable)
Lewisburg 3 N	United States	Record daily precipitation	70.1 mm (2.8 in)	51 of 100 (Notable)
Elliston	United States	Record daily precipitation	44.5 mm (1.8 in)	50 of 100 (Notable)
Claysville 3 W	United States	Record daily precipitation	39.1 mm (1.5 in)	49 of 100 (Notable)
Washington Dam 19	United States	Record daily precipitation	52.1 mm (2.1 in)	49 of 100 (Notable)
Miles Post Office	Australia	Record daily precipitation	61.2 mm (2.4 in)	48 of 100 (Notable)
Cave Run Lake	United States	Record daily precipitation	58.2 mm (2.3 in)	48 of 100 (Notable)
Mt Healthy Exp Farm	United States	Record daily precipitation	49.3 mm (1.9 in)	47 of 100 (Notable)
Cincinnati Abbe Wsmo	United States	Record daily precipitation	66.3 mm (2.6 in)	47 of 100 (Notable)
Buckhannon	United States	Record daily precipitation	57.2 mm (2.3 in)	46 of 100 (Notable)
Rifle	United States	Record daily snowfall	16.5 cm (6.5 in)	45 of 100 (Notable)
Henryville Sf	United States	Record daily precipitation	68.3 mm (2.7 in)	45 of 100 (Notable)
Calvin	United States	Record daily precipitation	63.0 mm (2.5 in)	45 of 100 (Notable)
Mammoth Spring	United States	Record daily precipitation	58.4 mm (2.3 in)	44 of 100 (Notable)
Cedar Rapids #1	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Holland Wtp	United States	Record daily precipitation	38.6 mm (1.5 in)	44 of 100 (Notable)
Uniontown 1 NE	United States	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Wellsburg Wtr Trmt Pl	United States	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Schreiber	Canada	Record daily snowfall	25.4 cm (10.0 in)	43 of 100 (Notable)
Ozark	United States	Record daily precipitation	80.0 mm (3.1 in)	43 of 100 (Notable)
Ashland	United States	Record daily precipitation	41.1 mm (1.6 in)	43 of 100 (Notable)
Ituacu	Brazil	Record daily precipitation	80.0 mm (3.1 in)	42 of 100 (Notable)
Beaver Dam	United States	Record daily precipitation	61.5 mm (2.4 in)	42 of 100 (Notable)
Grand Marais	United States	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Springfield Mad Rvr St	United States	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Greensburg 2 S	United States	Record daily precipitation	32.5 mm (1.3 in)	42 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record daily precipitation	75.9 mm (3.0 in)	42 of 100 (Notable)
Schreiber	Canada	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Columbus	United States	Record daily precipitation	58.9 mm (2.3 in)	41 of 100 (Notable)
Willow Sprg Radio Kuku	United States	Record daily precipitation	63.0 mm (2.5 in)	41 of 100 (Notable)
Indian Head Cda	Canada	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Westernport	United States	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Bottineau	United States	Record daily snowfall	11.4 cm (4.5 in)	40 of 100 (Notable)
Waverly	United States	Record daily precipitation	66.5 mm (2.6 in)	40 of 100 (Notable)
Marlinton	United States	Record daily precipitation	63.0 mm (2.5 in)	40 of 100 (Notable)
Helidon Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	39 of 100 (Notable)
Vanceburg	United States	Record daily precipitation	50.3 mm (2.0 in)	39 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	43.2 mm (1.7 in)	39 of 100 (Notable)
Salamonia	United States	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Cynthiana	United States	Record daily precipitation	44.5 mm (1.8 in)	38 of 100 (Notable)
Wilmington 3 N	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)

Counts by Type and Timescale

1,239 records

Records set or tied on 15 December 1948 by type: Highest daily maximum 252, Lowest daily maximum 52, Highest daily minimum 433, Lowest daily minimum 44, Heaviest daily rainfall 385, Heaviest daily snowfall 55, Deepest snow cover 18.

Records on 15 December 1948 by type
Record type	Records
Highest daily maximum	252
Lowest daily maximum	52
Highest daily minimum	433
Lowest daily minimum	44
Heaviest daily rainfall	385
Heaviest daily snowfall	55
Deepest snow cover	18

Records on 15 December 1948 by timescale: all-time 2, monthly 178, daily 1,059.

How Much Records Were Beaten By

1,030 broken records

Margins by which the 1,030 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

15 December 1948

Top 20 records on 15 December 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 December 1948	Marietta Wtr Wks, US	monthly rain	71.1 mm (2.8 in)	26.1 mm (1.0 in)	47 years	61 of 100 (Major)
15 December 1948	Jackson 3 NW, US	monthly rain	84.6 mm (3.3 in)	33.5 mm (1.3 in)	26 years	58 of 100 (Notable)
15 December 1948	Peebles 1 S, US	monthly rain	98.3 mm (3.9 in)	37.3 mm (1.5 in)	32 years	58 of 100 (Notable)
15 December 1948	Conway, US	daily rain	118.9 mm (4.7 in)	95.5 mm (3.8 in)	42 years	57 of 100 (Notable)
15 December 1948	Greensburg, US	daily rain	66.0 mm (2.6 in)	45.4 mm (1.8 in)	42 years	57 of 100 (Notable)
15 December 1948	Grantsville, US	daily rain	51.6 mm (2.0 in)	31.3 mm (1.2 in)	46 years	57 of 100 (Notable)
15 December 1948	Bens Run 1 SSE, US	daily rain	68.6 mm (2.7 in)	44.0 mm (1.7 in)	46 years	57 of 100 (Notable)
15 December 1948	Grafton 1 NE, US	daily rain	51.8 mm (2.0 in)	28.9 mm (1.1 in)	46 years	56 of 100 (Notable)
15 December 1948	Carrollton Lock 1, US	daily rain	73.7 mm (2.9 in)	43.2 mm (1.7 in)	46 years	54 of 100 (Notable)
15 December 1948	Falmouth, US	monthly rain	77.2 mm (3.0 in)	26.1 mm (1.0 in)	32 years	53 of 100 (Notable)
15 December 1948	Clay, US	daily rain	52.1 mm (2.1 in)	28.0 mm (1.1 in)	46 years	53 of 100 (Notable)
15 December 1948	St Marys, US	daily rain	46.7 mm (1.8 in)	31.5 mm (1.2 in)	37 years	53 of 100 (Notable)
15 December 1948	Portsmouth-Sciotoville, US	daily rain	58.4 mm (2.3 in)	36.6 mm (1.4 in)	37 years	52 of 100 (Notable)
15 December 1948	Belleville Dam 2O, US	daily rain	72.4 mm (2.9 in)	56.1 mm (2.2 in)	30 years	52 of 100 (Notable)
15 December 1948	Cairo 3 S, US	monthly rain	68.6 mm (2.7 in)	22.9 mm (0.9 in)	33 years	52 of 100 (Notable)
15 December 1948	Creston, US	daily rain	58.4 mm (2.3 in)	26.6 mm (1.0 in)	47 years	52 of 100 (Notable)
15 December 1948	Pickens 1, US	daily rain	45.7 mm (1.8 in)	36.3 mm (1.4 in)	46 years	52 of 100 (Notable)
15 December 1948	Ravenswood Lock Park, US	daily rain	54.6 mm (2.1 in)	39.9 mm (1.6 in)	30 years	52 of 100 (Notable)
15 December 1948	Koshkonong, US	daily rain	75.9 mm (3.0 in)	46.9 mm (1.8 in)	46 years	51 of 100 (Notable)
15 December 1948	Somerset Main Street, US	daily rain	37.1 mm (1.5 in)	26.9 mm (1.1 in)	46 years	51 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

1793 to 1948

Records set or tied on this calendar date in each year from 1793 to 1948. 1948 had 1,239 records.

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

Records on 12-15 in each year
Year	Records
1793	1
1796	1
1798	1
1800	1
1808	3
1810	1
1814	3
1815	1
1825	1
1831	1
1840	2
1844	2
1846	3
1847	1
1854	3
1859	2
1863	1
1864	1
1866	1
1867	2
1868	1
1869	1
1870	1
1873	1
1874	1
1878	4
1879	2
1880	2
1881	3
1882	2
1883	1
1885	1
1886	1
1889	3
1890	1
1891	2
1892	4
1893	1
1894	4
1895	1
1896	5
1897	2
1899	12
1900	5
1901	21
1902	3
1903	7
1904	9
1905	6
1906	9
1907	10
1908	5
1909	5
1910	4
1911	23
1912	42
1913	13
1914	239
1915	180
1916	40
1917	40
1918	54
1919	28
1920	35
1921	26
1922	65
1923	132
1924	358
1925	187
1926	226
1927	235
1928	388
1929	500
1930	160
1931	284
1932	385
1933	796
1934	199
1935	140
1936	286
1937	310
1938	100
1939	637
1940	464
1941	373
1942	385
1943	486
1944	281
1945	420
1946	521
1947	634
1948	1,239
1949	135
1950	292
1951	962
1952	367
1953	270
1954	413
1955	371
1956	531
1957	304
1958	531
1959	560
1960	313
1961	883
1962	979
1963	670
1964	371
1965	759
1966	275
1967	948
1968	510
1969	352
1970	215
1971	1,739
1972	1,159
1973	615
1974	511
1975	1,230
1976	349
1977	963
1978	499
1979	560
1980	1,085
1981	1,243
1982	831
1983	1,229
1984	1,397
1985	1,077
1986	502
1987	1,740
1988	519
1989	2,753
1990	846
1991	636
1992	1,263
1993	734
1994	676
1995	848
1996	727
1997	1,521
1998	1,216
1999	621
2000	1,154
2001	1,026
2002	831
2003	846
2004	795
2005	953
2006	1,491
2007	973
2008	1,789
2009	930
2010	1,705
2011	780
2012	1,058
2013	701
2014	1,045
2015	1,398
2016	1,024
2017	332
2018	539
2019	547
2020	400
2021	1,182
2022	1,057
2023	794
2024	369
2025	2,115

Download the Data

Data for records on 1948-12-15: 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	995
50 to 100	22
100 to 150	9
150 to 200	1
200 to 250	3