Weather Records on 21 December 1924

377 weather records were set or tied worldwide on 21 December 1924. Highest significance: Winnemucca AP, US.

Key Facts for 21 December 1924

On 21 December 1924, 377 weather records were set or tied at long-record stations worldwide.
40 were record highs and 314 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 364 daily.
Winnemucca AP set a daily record snowfall of 10.7 cm (4.2 in) on 21 December 1924.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 490 records.

Record Map

377 stations

377 station records on 21 December 1924 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 1924: highest significance records shown on the map
Station	Country	Type	Value	Significance
Winnemucca AP	United States	Record daily snowfall	10.7 cm (4.2 in)	37 of 100 (Notable)
Halifax	Canada	Record low maximum temperature	-13.9 C (7.0 F)	31 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Newport	United States	Record low maximum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Elko Rgnl AP	United States	Record daily precipitation	39.4 mm (1.6 in)	29 of 100 (Routine)
Saint John	Canada	Record low maximum temperature	-18.9 C (-2.0 F)	27 of 100 (Routine)
Nevada City	United States	Record daily precipitation	72.9 mm (2.9 in)	27 of 100 (Routine)
Provincetown 3 NW	United States	Record low minimum temperature	-15.6 C (3.9 F)	27 of 100 (Routine)
Bancroft	Canada	Record low maximum temperature	-20.6 C (-5.1 F)	26 of 100 (Routine)
Astoria	United States	Record low maximum temperature	-0.6 C (30.9 F)	26 of 100 (Routine)
Stevens Pt	United States	Record low maximum temperature	-18.9 C (-2.0 F)	26 of 100 (Routine)
Blue Hill Coop	United States	Record low minimum temperature	-20.6 C (-5.1 F)	25 of 100 (Routine)
Burlington	United States	Record low maximum temperature	-18.9 C (-2.0 F)	25 of 100 (Routine)
Louisville	United States	Record low maximum temperature	-2.2 C (28.0 F)	24 of 100 (Routine)
Northfield	United States	Record low maximum temperature	-20.6 C (-5.1 F)	24 of 100 (Routine)
Oconto 4 W	United States	Record low maximum temperature	-16.1 C (3.0 F)	24 of 100 (Routine)
Portland	United States	Record low maximum temperature	-13.3 C (8.1 F)	23 of 100 (Routine)
Yarmouth	Canada	Record low maximum temperature	-13.3 C (8.1 F)	22 of 100 (Routine)
Porthill	United States	Record low minimum temperature	-26.1 C (-15.0 F)	22 of 100 (Routine)
Lusk 2 SW	United States	Record low maximum temperature	-18.3 C (-0.9 F)	22 of 100 (Routine)
Ottawa	Canada	Record low maximum temperature	-20.0 C (-4.0 F)	21 of 100 (Routine)
Sydney	Canada	Record low maximum temperature	-11.1 C (12.0 F)	21 of 100 (Routine)
Sotchi	Russia	Record daily precipitation	28.6 mm (1.1 in)	21 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	0.9 C (33.6 F)	21 of 100 (Routine)
Portland	United States	Record low minimum temperature	-21.1 C (-6.0 F)	21 of 100 (Routine)
Lawrence	United States	Record low minimum temperature	-21.1 C (-6.0 F)	21 of 100 (Routine)
Lowell	United States	Record low minimum temperature	-20.6 C (-5.1 F)	21 of 100 (Routine)
Taunton	United States	Record low maximum temperature	-13.3 C (8.1 F)	21 of 100 (Routine)
Concord	United States	Record low maximum temperature	-12.8 C (9.0 F)	21 of 100 (Routine)
Austin	United States	Record low maximum temperature	-5.6 C (21.9 F)	21 of 100 (Routine)
Cherdyn'	Russia	Record daily precipitation	10.8 mm (0.4 in)	20 of 100 (Routine)
Murtho Post Office	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
The Dalles	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Tarnaby	Sweden	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Winnemucca AP	United States	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Quebec	Canada	Record low maximum temperature	-20.6 C (-5.1 F)	20 of 100 (Routine)
Miles City	United States	Record low minimum temperature	-33.3 C (-27.9 F)	20 of 100 (Routine)
Port Townsend	United States	Record low maximum temperature	-0.6 C (30.9 F)	20 of 100 (Routine)
Montreal McGill	Canada	Record low maximum temperature	-22.8 C (-9.0 F)	19 of 100 (Routine)
Sveg	Sweden	Record high maximum temperature	8.0 C (46.4 F)	19 of 100 (Routine)
Stockton 2	United States	Record daily precipitation	18.5 mm (0.7 in)	19 of 100 (Routine)
Storrs	United States	Record low maximum temperature	-12.2 C (10.0 F)	19 of 100 (Routine)
Franklin 3 NW	United States	Record low maximum temperature	2.8 C (37.0 F)	19 of 100 (Routine)
Houma	United States	Record low maximum temperature	2.8 C (37.0 F)	19 of 100 (Routine)
Port Washington	United States	Record low minimum temperature	-24.4 C (-11.9 F)	19 of 100 (Routine)
Portland Rfc City	United States	Record low maximum temperature	-1.7 C (28.9 F)	19 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	-0.9 C (30.4 F)	18 of 100 (Routine)
Banff	Canada	Record low minimum temperature	-41.7 C (-43.1 F)	18 of 100 (Routine)
Framingham	United States	Record low minimum temperature	-18.3 C (-0.9 F)	18 of 100 (Routine)
Pontotoc	United States	Record low maximum temperature	-2.8 C (27.0 F)	18 of 100 (Routine)
Joseph	United States	Record low minimum temperature	-23.9 C (-11.0 F)	18 of 100 (Routine)
College STN 6 SW	United States	Record low maximum temperature	0.6 C (33.1 F)	18 of 100 (Routine)
Olga 2 SE	United States	Record low minimum temperature	-7.8 C (18.0 F)	18 of 100 (Routine)
Port Arthur	Canada	Record low maximum temperature	-22.8 C (-9.0 F)	17 of 100 (Routine)
Karlshamn	Sweden	Record high minimum temperature	6.7 C (44.1 F)	17 of 100 (Routine)
Florence	United States	Record low maximum temperature	-2.2 C (28.0 F)	17 of 100 (Routine)
Rio Vista	United States	Record daily precipitation	22.9 mm (0.9 in)	17 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	-17.7 C (0.1 F)	17 of 100 (Routine)
Fall River	United States	Record low minimum temperature	-16.7 C (1.9 F)	17 of 100 (Routine)
Fitchburg 4 SE	United States	Record low minimum temperature	-19.4 C (-2.9 F)	17 of 100 (Routine)

Counts by Type and Timescale

377 records

Records set or tied on 21 December 1924 by type: Highest daily maximum 18, Lowest daily maximum 207, Highest daily minimum 22, Lowest daily minimum 107, Heaviest daily rainfall 16, Heaviest daily snowfall 4, Deepest snow cover 3.

Records on 21 December 1924 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	207
Highest daily minimum	22
Lowest daily minimum	107
Heaviest daily rainfall	16
Heaviest daily snowfall	4
Deepest snow cover	3

Records on 21 December 1924 by timescale: all-time 1, monthly 12, daily 364.

How Much Records Were Beaten By

310 broken records

Margins by which the 310 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.0. Ties are not counted.

Top 20 by Significance

21 December 1924

Top 20 records on 21 December 1924 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 1924	Winnemucca AP, US	daily snowfall	10.7 cm (4.2 in)	8.7 cm (3.4 in)	34 years	37 of 100 (Notable)
21 December 1924	Halifax, CA	daily low max	-13.9 C (7.0 F)	6.1 C (11.0 F)	52 years	31 of 100 (Routine)
21 December 1924	Stornoway Airport, GB	monthly high min	10.0 C (50.0 F)	0.6 C (1.1 F)	51 years	31 of 100 (Routine)
21 December 1924	Newport, US	daily low max	-1.1 C (30.0 F)	7.2 C (13.0 F)	10 years	30 of 100 (Routine)
21 December 1924	Elko Rgnl AP, US	monthly rain	39.4 mm (1.6 in)	6.4 mm (0.25 in)	29 years	29 of 100 (Routine)
21 December 1924	Saint John, CA	daily low max	-18.9 C (-2.0 F)	5.0 C (9.0 F)	47 years	27 of 100 (Routine)
21 December 1924	Nevada City, US	daily rain	72.9 mm (2.9 in)	34.5 mm (1.4 in)	29 years	27 of 100 (Routine)
21 December 1924	Provincetown 3 NW, US	daily low min	-15.6 C (3.9 F)	7.8 C (14.0 F)	23 years	27 of 100 (Routine)
21 December 1924	Bancroft, CA	daily low max	-20.6 C (-5.1 F)	8.9 C (16.0 F)	27 years	26 of 100 (Routine)
21 December 1924	Astoria, US	daily low max	-0.6 C (30.9 F)	3.4 C (6.1 F)	36 years	26 of 100 (Routine)
21 December 1924	Stevens Pt, US	daily low max	-18.9 C (-2.0 F)	10.6 C (19.1 F)	23 years	26 of 100 (Routine)
21 December 1924	Blue Hill Coop, US	daily low min	-20.6 C (-5.1 F)	7.3 C (13.1 F)	31 years	25 of 100 (Routine)
21 December 1924	Burlington, US	daily low max	-18.9 C (-2.0 F)	8.9 C (16.0 F)	27 years	25 of 100 (Routine)
21 December 1924	Louisville, US	daily low max	-2.2 C (28.0 F)	6.6 C (11.9 F)	31 years	24 of 100 (Routine)
21 December 1924	Northfield, US	daily low max	-20.6 C (-5.1 F)	8.9 C (16.0 F)	27 years	24 of 100 (Routine)
21 December 1924	Oconto 4 W, US	daily low max	-16.1 C (3.0 F)	8.3 C (14.9 F)	23 years	24 of 100 (Routine)
21 December 1924	Portland, US	daily low max	-13.3 C (8.1 F)	2.7 C (4.9 F)	47 years	23 of 100 (Routine)
21 December 1924	Yarmouth, CA	daily low max	-13.3 C (8.1 F)	7.7 C (13.9 F)	5 years	22 of 100 (Routine)
21 December 1924	Porthill, US	daily low min	-26.1 C (-15.0 F)	9.4 C (16.9 F)	10 years	22 of 100 (Routine)
21 December 1924	Lusk 2 SW, US	daily low max	-18.3 C (-0.9 F)	10.0 C (18.0 F)	15 years	22 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 1924

Records set or tied on this calendar date in each year from 1793 to 1924. 1924 had 377 records.

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

Records on 12-21 in each year
Year	Records
1793	1
1794	1
1799	1
1801	2
1808	3
1825	1
1828	1
1839	1
1846	1
1850	1
1855	7
1859	1
1860	1
1868	1
1870	1
1871	2
1874	2
1875	3
1876	1
1877	1
1878	1
1879	1
1880	1
1884	1
1886	3
1889	1
1890	4
1893	4
1894	1
1895	5
1896	3
1897	3
1898	1
1900	8
1901	15
1902	5
1903	25
1904	3
1905	15
1906	15
1907	17
1908	19
1909	20
1910	29
1911	36
1912	23
1913	11
1914	107
1915	43
1916	40
1917	18
1918	41
1919	57
1920	30
1921	104
1922	34
1923	323
1924	377
1925	120
1926	178
1927	147
1928	70
1929	156
1930	66
1931	556
1932	150
1933	581
1934	230
1935	398
1936	323
1937	189
1938	145
1939	140
1940	622
1941	651
1942	968
1943	148
1944	762
1945	396
1946	495
1947	700
1948	297
1949	1,281
1950	504
1951	1,061
1952	197
1953	256
1954	444
1955	888
1956	672
1957	846
1958	516
1959	272
1960	585
1961	254
1962	563
1963	1,137
1964	613
1965	247
1966	400
1967	1,923
1968	818
1969	828
1970	547
1971	680
1972	651
1973	1,292
1974	374
1975	548
1976	446
1977	470
1978	517
1979	558
1980	726
1981	1,476
1982	702
1983	3,324
1984	1,012
1985	979
1986	404
1987	775
1988	717
1989	3,203
1990	2,701
1991	1,125
1992	751
1993	967
1994	793
1995	878
1996	1,114
1997	810
1998	1,142
1999	851
2000	944
2001	650
2002	579
2003	1,103
2004	675
2005	606
2006	1,443
2007	946
2008	1,062
2009	1,097
2010	2,039
2011	653
2012	759
2013	1,029
2014	878
2015	1,173
2016	543
2017	459
2018	742
2019	755
2020	965
2021	323
2022	528
2023	1,170
2024	778
2025	1,099

Download the Data

Data for records on 1924-12-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	305
20 to 40	3
40 to 60	1
60 to 80	0
80 to 100	1