Weather Records on 21 December 1949

1,281 weather records were set or tied worldwide on 21 December 1949. Highest significance: Minonk, US.

Key Facts for 21 December 1949

On 21 December 1949, 1,281 weather records were set or tied at long-record stations worldwide.
677 were record highs and 163 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 29 monthly and 1,252 daily.
Minonk set a monthly record daily precipitation of 88.6 mm (3.5 in) on 21 December 1949.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 484 records.

Record Map

1,281 stations

1,281 station records on 21 December 1949 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 1949: highest significance records shown on the map
Station	Country	Type	Value	Significance
Minonk	United States	Record daily precipitation	88.6 mm (3.5 in)	71 of 100 (Major)
Bloomington Normal	United States	Record daily precipitation	86.4 mm (3.4 in)	68 of 100 (Major)
Pontiac	United States	Record daily precipitation	77.5 mm (3.1 in)	59 of 100 (Notable)
Roberts 3 N	United States	Record daily precipitation	78.0 mm (3.1 in)	59 of 100 (Notable)
Aurora Water	United States	Record daily precipitation	50.3 mm (2.0 in)	58 of 100 (Notable)
Decatur Wtp	United States	Record daily precipitation	55.6 mm (2.2 in)	58 of 100 (Notable)
Morrisonville 4 SE	United States	Record daily precipitation	51.1 mm (2.0 in)	58 of 100 (Notable)
Joliet	United States	Record daily precipitation	46.2 mm (1.8 in)	58 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	48.5 mm (1.9 in)	58 of 100 (Notable)
Dwight	United States	Record daily precipitation	87.1 mm (3.4 in)	57 of 100 (Notable)
Watseka Public Works	United States	Record daily precipitation	66.5 mm (2.6 in)	56 of 100 (Notable)
Hannibal 1 N	United States	Record daily precipitation	41.9 mm (1.6 in)	56 of 100 (Notable)
Havana	United States	Record daily precipitation	71.1 mm (2.8 in)	54 of 100 (Notable)
Jacksonville 2E	United States	Record daily precipitation	53.3 mm (2.1 in)	54 of 100 (Notable)
White Hall 1 E	United States	Record daily precipitation	49.5 mm (1.9 in)	54 of 100 (Notable)
Columbia Wb City	United States	Record daily precipitation	54.1 mm (2.1 in)	54 of 100 (Notable)
Clinton 1SSW	United States	Record daily precipitation	63.0 mm (2.5 in)	53 of 100 (Notable)
Hoopeston	United States	Record daily precipitation	51.6 mm (2.0 in)	53 of 100 (Notable)
Macomb	United States	Record daily precipitation	46.7 mm (1.8 in)	53 of 100 (Notable)
Appleton City	United States	Record daily precipitation	55.9 mm (2.2 in)	53 of 100 (Notable)
Peru	United States	Record daily precipitation	37.1 mm (1.5 in)	52 of 100 (Notable)
Le Claire	United States	Record daily precipitation	36.3 mm (1.4 in)	52 of 100 (Notable)
Mt Garnet Post Office	Australia	Record daily precipitation	96.8 mm (3.8 in)	51 of 100 (Notable)
Elgin Water	United States	Record daily precipitation	34.5 mm (1.4 in)	51 of 100 (Notable)
Tarkio	United States	Record daily snowfall	13.0 cm (5.1 in)	51 of 100 (Notable)
Palmerville	Australia	Record daily precipitation	111.0 mm (4.4 in)	50 of 100 (Notable)
Chillicothe Radio Kchi	United States	Record daily precipitation	42.4 mm (1.7 in)	50 of 100 (Notable)
La Harpe	United States	Record daily precipitation	36.1 mm (1.4 in)	49 of 100 (Notable)
Plymouth Pwr Substn	United States	Record daily precipitation	51.3 mm (2.0 in)	49 of 100 (Notable)
Charlotte	United States	Record daily precipitation	46.2 mm (1.8 in)	49 of 100 (Notable)
Clinton	United States	Record daily precipitation	52.3 mm (2.1 in)	49 of 100 (Notable)
Carlinville	United States	Record daily precipitation	44.2 mm (1.7 in)	48 of 100 (Notable)
Golden	United States	Record daily precipitation	43.9 mm (1.7 in)	48 of 100 (Notable)
Grimsby Rock Chapel	Canada	Record daily precipitation	57.4 mm (2.3 in)	47 of 100 (Notable)
Havana	United States	Record daily precipitation	42.7 mm (1.7 in)	47 of 100 (Notable)
Goshen 3SW	United States	Record daily precipitation	41.7 mm (1.6 in)	46 of 100 (Notable)
Shelbina	United States	Record daily precipitation	47.8 mm (1.9 in)	46 of 100 (Notable)
Galva	United States	Record daily precipitation	26.2 mm (1.0 in)	45 of 100 (Notable)
Lincoln 1 SE	United States	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Central Michigan UNIV	United States	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Whiting	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Ft Scott	United States	Record daily precipitation	50.0 mm (2.0 in)	44 of 100 (Notable)
Pana	United States	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Springfield Abraham Lincoln Ca	United States	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
Marshall	United States	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Aledo	United States	Record daily precipitation	27.2 mm (1.1 in)	41 of 100 (Notable)
Rushville	United States	Record daily precipitation	78.7 mm (3.1 in)	41 of 100 (Notable)
Warrensburg 4NW	United States	Record daily precipitation	28.7 mm (1.1 in)	41 of 100 (Notable)
Warrenton 1 N	United States	Record daily precipitation	48.5 mm (1.9 in)	41 of 100 (Notable)
Lucknow	Canada	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Helvetia Santa Rita Rn	United States	Record daily snowfall	14.0 cm (5.5 in)	40 of 100 (Notable)
Dixon Wwtp	United States	Record daily precipitation	28.4 mm (1.1 in)	40 of 100 (Notable)
Galesburg	United States	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
La Salle Peru	United States	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Lincoln	United States	Record daily precipitation	71.4 mm (2.8 in)	40 of 100 (Notable)
Marengo	United States	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Monmouth	United States	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Hamilton	Canada	Record high maximum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Greenville	United States	Record daily precipitation	34.3 mm (1.4 in)	38 of 100 (Notable)
Mt Ayr	United States	Record daily snowfall	8.9 cm (3.5 in)	38 of 100 (Notable)

Counts by Type and Timescale

1,281 records

Records set or tied on 21 December 1949 by type: Highest daily maximum 426, Lowest daily maximum 63, Highest daily minimum 251, Lowest daily minimum 100, Heaviest daily rainfall 334, Heaviest daily snowfall 86, Deepest snow cover 21.

Records on 21 December 1949 by type
Record type	Records
Highest daily maximum	426
Lowest daily maximum	63
Highest daily minimum	251
Lowest daily minimum	100
Heaviest daily rainfall	334
Heaviest daily snowfall	86
Deepest snow cover	21

Records on 21 December 1949 by timescale: all-time 0, monthly 29, daily 1,252.

How Much Records Were Beaten By

1,079 broken records

Margins by which the 1,079 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

21 December 1949

Top 20 records on 21 December 1949 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 1949	Minonk, US	monthly rain	88.6 mm (3.5 in)	36.5 mm (1.4 in)	54 years	71 of 100 (Major)
21 December 1949	Bloomington Normal, US	monthly rain	86.4 mm (3.4 in)	33.1 mm (1.3 in)	54 years	68 of 100 (Major)
21 December 1949	Pontiac, US	monthly rain	77.5 mm (3.1 in)	30.8 mm (1.2 in)	16 years	59 of 100 (Notable)
21 December 1949	Roberts 3 N, US	monthly rain	78.0 mm (3.1 in)	42.2 mm (1.7 in)	22 years	59 of 100 (Notable)
21 December 1949	Aurora Water, US	daily rain	50.3 mm (2.0 in)	34.8 mm (1.4 in)	44 years	58 of 100 (Notable)
21 December 1949	Decatur Wtp, US	daily rain	55.6 mm (2.2 in)	45.2 mm (1.8 in)	44 years	58 of 100 (Notable)
21 December 1949	Morrisonville 4 SE, US	daily rain	51.1 mm (2.0 in)	38.9 mm (1.5 in)	44 years	58 of 100 (Notable)
21 December 1949	Joliet, US	daily rain	46.2 mm (1.8 in)	34.5 mm (1.4 in)	44 years	58 of 100 (Notable)
21 December 1949	S Bend AP, US	daily rain	48.5 mm (1.9 in)	32.0 mm (1.3 in)	44 years	58 of 100 (Notable)
21 December 1949	Dwight, US	monthly rain	87.1 mm (3.4 in)	41.6 mm (1.6 in)	6 years	57 of 100 (Notable)
21 December 1949	Watseka Public Works, US	daily rain	66.5 mm (2.6 in)	58.9 mm (2.3 in)	38 years	56 of 100 (Notable)
21 December 1949	Hannibal 1 N, US	daily rain	41.9 mm (1.6 in)	33.5 mm (1.3 in)	38 years	56 of 100 (Notable)
21 December 1949	Havana, US	daily rain	71.1 mm (2.8 in)	55.9 mm (2.2 in)	31 years	54 of 100 (Notable)
21 December 1949	Jacksonville 2E, US	daily rain	53.3 mm (2.1 in)	39.3 mm (1.5 in)	31 years	54 of 100 (Notable)
21 December 1949	White Hall 1 E, US	daily rain	49.5 mm (1.9 in)	37.6 mm (1.5 in)	31 years	54 of 100 (Notable)
21 December 1949	Columbia Wb City, US	daily rain	54.1 mm (2.1 in)	45.2 mm (1.8 in)	28 years	54 of 100 (Notable)
21 December 1949	Clinton 1SSW, US	daily rain	63.0 mm (2.5 in)	47.0 mm (1.9 in)	31 years	53 of 100 (Notable)
21 December 1949	Hoopeston, US	daily rain	51.6 mm (2.0 in)	32.5 mm (1.3 in)	31 years	53 of 100 (Notable)
21 December 1949	Macomb, US	daily rain	46.7 mm (1.8 in)	34.8 mm (1.4 in)	31 years	53 of 100 (Notable)
21 December 1949	Appleton City, US	daily rain	55.9 mm (2.2 in)	45.2 mm (1.8 in)	28 years	53 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 1949

Records set or tied on this calendar date in each year from 1793 to 1949. 1949 had 1,281 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 1949-12-21: 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	948
20 to 40	85
40 to 60	22
60 to 80	10
80 to 100	5
100 to 120	6
120 to 140	1
140 to 160	2