Weather Records on 15 December 2021

1,182 weather records were set or tied worldwide on 15 December 2021. Highest significance: Tonopah, US.

Key Facts for 15 December 2021

On 15 December 2021, 1,182 weather records were set or tied at long-record stations worldwide.
850 were record highs and 89 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 62 monthly and 1,119 daily.
Tonopah set a daily record snowfall of 19.6 cm (7.7 in) on 15 December 2021.
Across 168 earlier years (1793 to 2025) the same calendar date averaged 451 records.

Record Map

1,182 stations

1,182 station records on 15 December 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 December 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tonopah	United States	Record daily snowfall	19.6 cm (7.7 in)	79 of 100 (Major)
Wasco	United States	Record daily precipitation	33.0 mm (1.3 in)	67 of 100 (Major)
Santaquin Chlorinator	United States	Record daily precipitation	31.5 mm (1.2 in)	67 of 100 (Major)
Hibbing Chisholm Hibbing AP	United States	Record daily precipitation	36.6 mm (1.4 in)	67 of 100 (Major)
Mina	United States	Record daily snowfall	12.7 cm (5.0 in)	66 of 100 (Major)
Lemon Cove	United States	Record daily precipitation	32.5 mm (1.3 in)	61 of 100 (Major)
Mina	United States	Record snow depth	12.7 cm (5.0 in)	59 of 100 (Notable)
Lindsay	United States	Record daily precipitation	34.5 mm (1.4 in)	58 of 100 (Notable)
Richmond	United States	Record daily snowfall	22.9 cm (9.0 in)	58 of 100 (Notable)
Fillmore	United States	Record daily snowfall	25.4 cm (10.0 in)	56 of 100 (Notable)
Alexandria Chandler Fld	United States	Record daily precipitation	25.4 mm (1.0 in)	56 of 100 (Notable)
Mina	United States	Record daily precipitation	25.4 mm (1.0 in)	55 of 100 (Notable)
Deseret	United States	Record daily snowfall	15.2 cm (6.0 in)	54 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record daily snowfall	25.9 cm (10.2 in)	52 of 100 (Notable)
New Harmony	United States	Record daily precipitation	36.1 mm (1.4 in)	52 of 100 (Notable)
Christchurch Intl	New Zealand	Record daily precipitation	49.0 mm (1.9 in)	49 of 100 (Notable)
Wupatki Nm	United States	Record daily precipitation	40.6 mm (1.6 in)	49 of 100 (Notable)
Sierraville Rs	United States	Record daily snowfall	22.9 cm (9.0 in)	48 of 100 (Notable)
Gage AP	United States	Record high maximum temperature	26.7 C (80.1 F)	48 of 100 (Notable)
Lakeside	United States	Record high minimum temperature	16.7 C (62.1 F)	47 of 100 (Notable)
Geneva	United States	Record high minimum temperature	7.2 C (45.0 F)	47 of 100 (Notable)
Chanute Martin Johnson AP	United States	Record high maximum temperature	25.0 C (77.0 F)	47 of 100 (Notable)
Delta	United States	Record daily snowfall	15.2 cm (6.0 in)	47 of 100 (Notable)
Sharon Springs	United States	Record high minimum temperature	5.6 C (42.1 F)	46 of 100 (Notable)
Glennville	United States	Record snow depth	17.8 cm (7.0 in)	45 of 100 (Notable)
N Fk Rs	United States	Record daily precipitation	85.3 mm (3.4 in)	45 of 100 (Notable)
Burlington	United States	Record high minimum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Geneva	United States	Record high maximum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Orovada 3 W	United States	Record snow depth	15.2 cm (6.0 in)	45 of 100 (Notable)
Portales	United States	Record high minimum temperature	8.3 C (46.9 F)	45 of 100 (Notable)
Tucumcari 4 NE	United States	Record high minimum temperature	9.4 C (48.9 F)	45 of 100 (Notable)
Woodruff	United States	Record daily snowfall	9.9 cm (3.9 in)	45 of 100 (Notable)
Wiseman	United States	Record snow depth	81.3 cm (32.0 in)	45 of 100 (Notable)
Farmington 3NW	United States	Record high maximum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Auburn 5 ESE	United States	Record high maximum temperature	30.6 C (87.1 F)	44 of 100 (Notable)
New Hampton	United States	Record high maximum temperature	12.8 C (55.0 F)	43 of 100 (Notable)
Abilene	United States	Record high minimum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Healdton 3 E	United States	Record high minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Levan	United States	Record daily snowfall	18.3 cm (7.2 in)	43 of 100 (Notable)
Afton	United States	Record daily snowfall	24.6 cm (9.7 in)	43 of 100 (Notable)
Bartlesville Muni AP	United States	Record high maximum temperature	25.6 C (78.1 F)	43 of 100 (Notable)
Hobart Muni AP	United States	Record high maximum temperature	26.1 C (79.0 F)	43 of 100 (Notable)
El Capitan Dam	United States	Record daily precipitation	39.4 mm (1.6 in)	42 of 100 (Notable)
Eads	United States	Record high minimum temperature	3.3 C (37.9 F)	42 of 100 (Notable)
Mackay Lost Rvr Rs	United States	Record high minimum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Chicago Midway AP 3SW	United States	Record high minimum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Liberal	United States	Record high maximum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Pratt 3NW	United States	Record high maximum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record high maximum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Walker	United States	Record high minimum temperature	0.6 C (33.1 F)	42 of 100 (Notable)
Lamar 7N	United States	Record high minimum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
McKinney Muni AP	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Kansas City Dwtn AP	United States	Record high maximum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Marshall	United States	Record high maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Des Moines Intl AP	United States	Record high maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Midland Odessa	United States	Record high minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record high minimum temperature	8.4 C (47.1 F)	41 of 100 (Notable)
Cheesman	United States	Record high minimum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Hoopeston	United States	Record high minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Ft Scott	United States	Record high minimum temperature	12.2 C (54.0 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,182 records

Records set or tied on 15 December 2021 by type: Highest daily maximum 404, Lowest daily maximum 51, Highest daily minimum 446, Lowest daily minimum 38, Heaviest daily rainfall 152, Heaviest daily snowfall 64, Deepest snow cover 27.

Records on 15 December 2021 by type
Record type	Records
Highest daily maximum	404
Lowest daily maximum	51
Highest daily minimum	446
Lowest daily minimum	38
Heaviest daily rainfall	152
Heaviest daily snowfall	64
Deepest snow cover	27

Records on 15 December 2021 by timescale: all-time 1, monthly 62, daily 1,119.

How Much Records Were Beaten By

948 broken records

Margins by which the 948 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 220.0. Ties are not counted.

Top 20 by Significance

15 December 2021

Top 20 records on 15 December 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 December 2021	Tonopah, US	daily snowfall	19.6 cm (7.7 in)	19.6 cm (7.7 in)	96 years	79 of 100 (Major)
15 December 2021	Wasco, US	daily rain	33.0 mm (1.3 in)	20.8 mm (0.8 in)	83 years	67 of 100 (Major)
15 December 2021	Santaquin Chlorinator, US	daily rain	31.5 mm (1.2 in)	19.6 mm (0.8 in)	87 years	67 of 100 (Major)
15 December 2021	Hibbing Chisholm Hibbing AP, US	monthly rain	36.6 mm (1.4 in)	13.0 mm (0.5 in)	36 years	67 of 100 (Major)
15 December 2021	Mina, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	96 years	66 of 100 (Major)
15 December 2021	Lemon Cove, US	daily rain	32.5 mm (1.3 in)	20.3 mm (0.8 in)	108 years	61 of 100 (Major)
15 December 2021	Mina, US	daily snow depth	12.7 cm (5.0 in)	7.6 cm (3.0 in)	90 years	59 of 100 (Notable)
15 December 2021	Lindsay, US	daily rain	34.5 mm (1.4 in)	18.5 mm (0.7 in)	84 years	58 of 100 (Notable)
15 December 2021	Richmond, US	daily snowfall	22.9 cm (9.0 in)	11.5 cm (4.5 in)	94 years	58 of 100 (Notable)
15 December 2021	Fillmore, US	daily snowfall	25.4 cm (10.0 in)	11.4 cm (4.5 in)	106 years	56 of 100 (Notable)
15 December 2021	Alexandria Chandler Fld, US	daily rain	25.4 mm (1.0 in)	19.3 mm (0.8 in)	27 years	56 of 100 (Notable)
15 December 2021	Mina, US	daily rain	25.4 mm (1.0 in)	22.1 mm (0.9 in)	19 years	55 of 100 (Notable)
15 December 2021	Deseret, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	72 years	54 of 100 (Notable)
15 December 2021	Bozeman Montana State UNIV, US	daily snowfall	25.9 cm (10.2 in)	5.6 cm (2.2 in)	100 years	52 of 100 (Notable)
15 December 2021	New Harmony, US	daily rain	36.1 mm (1.4 in)	14.3 mm (0.6 in)	100 years	52 of 100 (Notable)
15 December 2021	Christchurch Intl, NZ	daily rain	49.0 mm (1.9 in)	34.8 mm (1.4 in)	12 years	49 of 100 (Notable)
15 December 2021	Wupatki Nm, US	monthly rain	40.6 mm (1.6 in)	10.4 mm (0.4 in)	29 years	49 of 100 (Notable)
15 December 2021	Sierraville Rs, US	daily snowfall	22.9 cm (9.0 in)	7.7 cm (3.0 in)	108 years	48 of 100 (Notable)
15 December 2021	Gage AP, US	daily high max	26.7 C (80.1 F)	6.1 C (11.0 F)	112 years	48 of 100 (Notable)
15 December 2021	Lakeside, US	daily high min	16.7 C (62.1 F)	10.0 C (18.0 F)	72 years	47 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 2021

Records set or tied on this calendar date in each year from 1793 to 2021. 2021 had 1,182 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 2021-12-15: 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	913
50 to 100	20
100 to 150	8
150 to 200	4
200 to 250	3