Weather Records on 15 December 1974

511 weather records were set or tied worldwide on 15 December 1974. Highest significance: Ravenna, US.

Key Facts for 15 December 1974

On 15 December 1974, 511 weather records were set or tied at long-record stations worldwide.
74 were record highs and 21 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 503 daily.
Ravenna set a daily record snowfall of 25.4 cm (10.0 in) on 15 December 1974.
Across 168 earlier years (1793 to 2025) the same calendar date averaged 455 records.

Record Map

511 stations

511 station records on 15 December 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 December 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ravenna	United States	Record daily snowfall	25.4 cm (10.0 in)	71 of 100 (Major)
Saint Paul	United States	Record daily snowfall	25.4 cm (10.0 in)	71 of 100 (Major)
Fairmont	United States	Record daily precipitation	36.8 mm (1.4 in)	60 of 100 (Major)
Bradshaw	United States	Record daily snowfall	27.9 cm (11.0 in)	59 of 100 (Notable)
Fullerton	United States	Record daily snowfall	25.4 cm (10.0 in)	54 of 100 (Notable)
York	United States	Record daily snowfall	30.5 cm (12.0 in)	54 of 100 (Notable)
Kearney 4 NE	United States	Record daily snowfall	30.5 cm (12.0 in)	53 of 100 (Notable)
Altinopolis	Brazil	Record daily precipitation	88.4 mm (3.5 in)	52 of 100 (Notable)
Drobeta Turnu Severin	Romania	Record daily precipitation	42.3 mm (1.7 in)	51 of 100 (Notable)
Aurora	United States	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
Loup City	United States	Record daily precipitation	30.5 mm (1.2 in)	48 of 100 (Notable)
Ashland Exp Farm	United States	Record daily snowfall	30.0 cm (11.8 in)	48 of 100 (Notable)
Le Mars	United States	Record daily snowfall	12.7 cm (5.0 in)	47 of 100 (Notable)
Stockton 1 E	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Alma	United States	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Shawano 2SSW	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Holdrege	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Aurora	United States	Record daily snowfall	27.9 cm (11.0 in)	42 of 100 (Notable)
Elgin	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Yampa	United States	Record daily snowfall	17.8 cm (7.0 in)	41 of 100 (Notable)
Loup City	United States	Record daily snowfall	22.9 cm (9.0 in)	41 of 100 (Notable)
Tekamah	United States	Record daily snowfall	22.9 cm (9.0 in)	41 of 100 (Notable)
York	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Lovelock	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Milford 4 NW	United States	Record daily snowfall	8.9 cm (3.5 in)	40 of 100 (Notable)
Hickman	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Osceola	United States	Record daily precipitation	25.1 mm (1.0 in)	40 of 100 (Notable)
Western 2W	United States	Record daily snowfall	27.9 cm (11.0 in)	40 of 100 (Notable)
Albion	United States	Record daily snowfall	20.3 cm (8.0 in)	39 of 100 (Notable)
Bruning	United States	Record daily snowfall	22.9 cm (9.0 in)	39 of 100 (Notable)
Ericson 8 WNW	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Alton 1 W	United States	Record snow depth	15.2 cm (6.0 in)	38 of 100 (Notable)
Upland 2NE	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Viroqua	United States	Record daily snowfall	14.2 cm (5.6 in)	38 of 100 (Notable)
Raymond 2E	United States	Record daily snowfall	17.8 cm (7.0 in)	37 of 100 (Notable)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	17.6 C (63.7 F)	36 of 100 (Notable)
Plainville 4WNW	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Osceola	United States	Record daily snowfall	25.1 cm (9.9 in)	36 of 100 (Notable)
Stratton	United States	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Wahoo	United States	Record daily snowfall	20.3 cm (8.0 in)	36 of 100 (Notable)
Solon Springs	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Fremont	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Minden	United States	Record daily snowfall	20.3 cm (8.0 in)	35 of 100 (Notable)
Virginia	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Dawson	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Emerson	United States	Record daily snowfall	12.7 cm (5.0 in)	34 of 100 (Routine)
Orleans 2 W	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Manassas 3 NW	United States	Record daily precipitation	27.2 mm (1.1 in)	34 of 100 (Routine)
Zelinda	Brazil	Record daily precipitation	68.2 mm (2.7 in)	33 of 100 (Routine)
Ville Marie	Canada	Record daily snowfall	20.3 cm (8.0 in)	33 of 100 (Routine)
Hebron	United States	Record daily snowfall	17.8 cm (7.0 in)	33 of 100 (Routine)
Kearney 4 NE	United States	Record snow depth	35.6 cm (14.0 in)	33 of 100 (Routine)
Vermillion 2 SE	United States	Record daily snowfall	12.7 cm (5.0 in)	33 of 100 (Routine)
Timovskoe	Russia	Record low maximum temperature	-23.7 C (-10.7 F)	32 of 100 (Routine)
Denison	United States	Record daily snowfall	12.7 cm (5.0 in)	32 of 100 (Routine)
Primghar	United States	Record daily snowfall	12.7 cm (5.0 in)	32 of 100 (Routine)
Rockwell City	United States	Record daily snowfall	9.1 cm (3.6 in)	32 of 100 (Routine)
Sioux Rapids	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Alton 1 W	United States	Record daily snowfall	15.2 cm (6.0 in)	32 of 100 (Routine)

Counts by Type and Timescale

511 records

Records set or tied on 15 December 1974 by type: Highest daily maximum 16, Lowest daily maximum 8, Highest daily minimum 58, Lowest daily minimum 13, Heaviest daily rainfall 234, Heaviest daily snowfall 163, Deepest snow cover 19.

Records on 15 December 1974 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	8
Highest daily minimum	58
Lowest daily minimum	13
Heaviest daily rainfall	234
Heaviest daily snowfall	163
Deepest snow cover	19

Records on 15 December 1974 by timescale: all-time 1, monthly 7, daily 503.

How Much Records Were Beaten By

416 broken records

Margins by which the 416 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 320.0. Ties are not counted.

Top 20 by Significance

15 December 1974

Top 20 records on 15 December 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 December 1974	Ravenna, US	daily snowfall	25.4 cm (10.0 in)	24.1 cm (9.5 in)	76 years	71 of 100 (Major)
15 December 1974	Saint Paul, US	daily snowfall	25.4 cm (10.0 in)	25.4 cm (10.0 in)	78 years	71 of 100 (Major)
15 December 1974	Fairmont, US	daily rain	36.8 mm (1.4 in)	19.5 mm (0.8 in)	79 years	60 of 100 (Major)
15 December 1974	Bradshaw, US	daily snowfall	27.9 cm (11.0 in)	17.7 cm (7.0 in)	72 years	59 of 100 (Notable)
15 December 1974	Fullerton, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	48 years	54 of 100 (Notable)
15 December 1974	York, US	daily snowfall	30.5 cm (12.0 in)	14.0 cm (5.5 in)	79 years	54 of 100 (Notable)
15 December 1974	Kearney 4 NE, US	daily snowfall	30.5 cm (12.0 in)	25.4 cm (10.0 in)	17 years	53 of 100 (Notable)
15 December 1974	Altinopolis, BR	daily rain	88.4 mm (3.5 in)	68.4 mm (2.7 in)	32 years	52 of 100 (Notable)
15 December 1974	Drobeta Turnu Severin, RO	daily rain	42.3 mm (1.7 in)	31.9 mm (1.3 in)	21 years	51 of 100 (Notable)
15 December 1974	Aurora, US	daily rain	27.9 mm (1.1 in)	19.0 mm (0.7 in)	33 years	48 of 100 (Notable)
15 December 1974	Loup City, US	daily rain	30.5 mm (1.2 in)	17.8 mm (0.7 in)	48 years	48 of 100 (Notable)
15 December 1974	Ashland Exp Farm, US	daily snowfall	30.0 cm (11.8 in)	23.6 cm (9.3 in)	3 years	48 of 100 (Notable)
15 December 1974	Le Mars, US	daily snowfall	12.7 cm (5.0 in)	12.4 cm (4.9 in)	60 years	47 of 100 (Notable)
15 December 1974	Stockton 1 E, US	daily snowfall	20.3 cm (8.0 in)	15.0 cm (5.9 in)	33 years	46 of 100 (Notable)
15 December 1974	Alma, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	33 years	45 of 100 (Notable)
15 December 1974	Shawano 2SSW, US	daily snowfall	12.7 cm (5.0 in)	5.1 cm (2.0 in)	80 years	44 of 100 (Notable)
15 December 1974	Holdrege, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	76 years	43 of 100 (Notable)
15 December 1974	Aurora, US	daily snowfall	27.9 cm (11.0 in)	15.2 cm (6.0 in)	33 years	42 of 100 (Notable)
15 December 1974	Elgin, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	33 years	42 of 100 (Notable)
15 December 1974	Yampa, US	daily snowfall	17.8 cm (7.0 in)	12.7 cm (5.0 in)	24 years	41 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 1974

Records set or tied on this calendar date in each year from 1793 to 1974. 1974 had 511 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 1974-12-15: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	352
50 to 100	34
100 to 150	19
150 to 200	4
200 to 250	3
250 to 300	2
300 to 350	2