Weather Records on 21 December 1968

818 weather records were set or tied worldwide on 21 December 1968. Highest significance: Aurora, US.

Key Facts for 21 December 1968

On 21 December 1968, 818 weather records were set or tied at long-record stations worldwide.
87 were record highs and 363 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 29 monthly and 785 daily.
Aurora set a daily record precipitation of 29.7 mm (1.2 in) on 21 December 1968.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 487 records.

Record Map

818 stations

818 station records on 21 December 1968 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 1968: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aurora	United States	Record daily precipitation	29.7 mm (1.2 in)	58 of 100 (Notable)
Bluff	United States	Record daily snowfall	17.8 cm (7.0 in)	58 of 100 (Notable)
Greensboro	United States	Record daily precipitation	74.9 mm (2.9 in)	49 of 100 (Notable)
Mesa Verde Np	United States	Record daily snowfall	40.6 cm (16.0 in)	46 of 100 (Notable)
Springview 2NW	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Chudleigh Park Station	Australia	Record daily precipitation	91.9 mm (3.6 in)	45 of 100 (Notable)
Coorabulka	Australia	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Walthill 1E	United States	Record daily precipitation	31.8 mm (1.3 in)	45 of 100 (Notable)
Snowflake	United States	Record daily snowfall	26.7 cm (10.5 in)	44 of 100 (Notable)
Mason City	United States	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Vivian	United States	Record daily snowfall	12.7 cm (5.0 in)	41 of 100 (Notable)
Warner Springs	United States	Record low minimum temperature	-12.8 C (9.0 F)	40 of 100 (Notable)
Bennington 2 NNW	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Lakeview 2 NNW	United States	Record low maximum temperature	-8.9 C (16.0 F)	38 of 100 (Notable)
Vinga	Sweden	Record daily precipitation	27.2 mm (1.1 in)	36 of 100 (Notable)
Oakley	United States	Record snow depth	15.2 cm (6.0 in)	36 of 100 (Notable)
Chambers	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Carson City	United States	Record low maximum temperature	-5.6 C (21.9 F)	36 of 100 (Notable)
White Lake	United States	Record daily snowfall	12.7 cm (5.0 in)	36 of 100 (Notable)
Dardanelle	United States	Record daily precipitation	32.3 mm (1.3 in)	35 of 100 (Notable)
Yorba Linda	United States	Record low minimum temperature	-5.6 C (21.9 F)	35 of 100 (Notable)
Yuma	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Kearney 4 NE	United States	Record snow depth	15.2 cm (6.0 in)	35 of 100 (Notable)
Minden	United States	Record low minimum temperature	-27.8 C (-18.0 F)	35 of 100 (Notable)
Berlin	United States	Record snow depth	66.0 cm (26.0 in)	35 of 100 (Notable)
Grants Pass	United States	Record low maximum temperature	-0.6 C (30.9 F)	35 of 100 (Notable)
Taabinga	Australia	Record daily precipitation	61.0 mm (2.4 in)	34 of 100 (Routine)
Dry Canyon Rsvr	United States	Record low minimum temperature	-8.9 C (16.0 F)	34 of 100 (Routine)
Jerome	United States	Record low minimum temperature	-8.9 C (16.0 F)	33 of 100 (Routine)
Natural Brg	United States	Record daily snowfall	25.4 cm (10.0 in)	33 of 100 (Routine)
Seligman	United States	Record low maximum temperature	-3.9 C (25.0 F)	33 of 100 (Routine)
Ft Ross	United States	Record low minimum temperature	-1.1 C (30.0 F)	33 of 100 (Routine)
Blanca 4 NW	United States	Record daily snowfall	7.6 cm (3.0 in)	33 of 100 (Routine)
Los Angeles Downtown/Usc	United States	Record low minimum temperature	0.6 C (33.1 F)	33 of 100 (Routine)
Tobolsk	Russia	Record high minimum temperature	-2.3 C (27.9 F)	32 of 100 (Routine)
Ekaterinburg	Russia	Record high maximum temperature	0.3 C (32.5 F)	32 of 100 (Routine)
Russellville	United States	Record daily precipitation	63.0 mm (2.5 in)	32 of 100 (Routine)
Tacoma	United States	Record daily snowfall	38.1 cm (15.0 in)	32 of 100 (Routine)
Miller	United States	Record daily snowfall	10.2 cm (4.0 in)	32 of 100 (Routine)
Sioux Falls	United States	Record daily snowfall	14.5 cm (5.7 in)	32 of 100 (Routine)
Deer Creek Ph	United States	Record low maximum temperature	-3.3 C (26.1 F)	31 of 100 (Routine)
Madrid	United States	Record daily snowfall	10.2 cm (4.0 in)	31 of 100 (Routine)
Wells	United States	Record low maximum temperature	-8.9 C (16.0 F)	31 of 100 (Routine)
Smithville	United States	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Poronajsk	Russia	Record daily precipitation	27.3 mm (1.1 in)	30 of 100 (Routine)
Morrilton	United States	Record daily precipitation	26.9 mm (1.1 in)	30 of 100 (Routine)
Wray	United States	Record daily snowfall	12.7 cm (5.0 in)	30 of 100 (Routine)
Ellsworth	United States	Record snow depth	15.2 cm (6.0 in)	30 of 100 (Routine)
Kimball 2NE	United States	Record snow depth	15.2 cm (6.0 in)	30 of 100 (Routine)
Huron Rgnl AP	United States	Record daily snowfall	12.2 cm (4.8 in)	30 of 100 (Routine)
Hermit 8 SE	United States	Record daily snowfall	30.5 cm (12.0 in)	29 of 100 (Routine)
Westcliffe	United States	Record daily snowfall	15.2 cm (6.0 in)	29 of 100 (Routine)
Winona	United States	Record snow depth	33.0 cm (13.0 in)	29 of 100 (Routine)
Ewing	United States	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Red Rvr	United States	Record daily snowfall	20.3 cm (8.0 in)	29 of 100 (Routine)
Detroit	United States	Record low minimum temperature	-6.7 C (19.9 F)	29 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record low maximum temperature	-6.1 C (21.0 F)	29 of 100 (Routine)
Prospect 2 SW	United States	Record low minimum temperature	-15.0 C (5.0 F)	29 of 100 (Routine)
Hill City Muni AP	United States	Record daily snowfall	12.7 cm (5.0 in)	29 of 100 (Routine)
Piripiri	Brazil	Record daily precipitation	69.4 mm (2.7 in)	28 of 100 (Routine)

Counts by Type and Timescale

818 records

Records set or tied on 21 December 1968 by type: Highest daily maximum 31, Lowest daily maximum 192, Highest daily minimum 56, Lowest daily minimum 171, Heaviest daily rainfall 229, Heaviest daily snowfall 104, Deepest snow cover 35.

Records on 21 December 1968 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	192
Highest daily minimum	56
Lowest daily minimum	171
Heaviest daily rainfall	229
Heaviest daily snowfall	104
Deepest snow cover	35

Records on 21 December 1968 by timescale: all-time 4, monthly 29, daily 785.

How Much Records Were Beaten By

662 broken records

Margins by which the 662 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

21 December 1968

Top 20 records on 21 December 1968 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 1968	Aurora, US	daily rain	29.7 mm (1.2 in)	20.8 mm (0.8 in)	58 years	58 of 100 (Notable)
21 December 1968	Bluff, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	48 years	58 of 100 (Notable)
21 December 1968	Greensboro, US	daily rain	74.9 mm (2.9 in)	41.4 mm (1.6 in)	60 years	49 of 100 (Notable)
21 December 1968	Mesa Verde Np, US	daily snowfall	40.6 cm (16.0 in)	25.4 cm (10.0 in)	9 years	46 of 100 (Notable)
21 December 1968	Springview 2NW, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	73 years	46 of 100 (Notable)
21 December 1968	Chudleigh Park Station, AU	daily rain	91.9 mm (3.6 in)	38.1 mm (1.5 in)	55 years	45 of 100 (Notable)
21 December 1968	Coorabulka, AU	daily rain	29.2 mm (1.1 in)	25.1 mm (1.0 in)	42 years	45 of 100 (Notable)
21 December 1968	Walthill 1E, US	daily rain	31.8 mm (1.3 in)	15.5 mm (0.6 in)	57 years	45 of 100 (Notable)
21 December 1968	Snowflake, US	daily snowfall	26.7 cm (10.5 in)	21.6 cm (8.5 in)	16 years	44 of 100 (Notable)
21 December 1968	Mason City, US	daily snowfall	20.3 cm (8.0 in)	11.4 cm (4.5 in)	58 years	44 of 100 (Notable)
21 December 1968	Vivian, US	daily snowfall	12.7 cm (5.0 in)	8.9 cm (3.5 in)	48 years	41 of 100 (Notable)
21 December 1968	Warner Springs, US	all-time low min	-12.8 C (9.0 F)	0.6 C (1.1 F)	43 years	40 of 100 (Notable)
21 December 1968	Bennington 2 NNW, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	70 years	39 of 100 (Notable)
21 December 1968	Lakeview 2 NNW, US	daily low max	-8.9 C (16.0 F)	3.9 C (7.0 F)	73 years	38 of 100 (Notable)
21 December 1968	Vinga, SE	daily rain	27.2 mm (1.1 in)	13.0 mm (0.5 in)	1 year	36 of 100 (Notable)
21 December 1968	Oakley, US	daily snow depth	15.2 cm (6.0 in)	7.6 cm (3.0 in)	27 years	36 of 100 (Notable)
21 December 1968	Chambers, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	43 years	36 of 100 (Notable)
21 December 1968	Carson City, US	daily low max	-5.6 C (21.9 F)	4.5 C (8.1 F)	72 years	36 of 100 (Notable)
21 December 1968	White Lake, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	15 years	36 of 100 (Notable)
21 December 1968	Dardanelle, US	daily rain	32.3 mm (1.3 in)	19.6 mm (0.8 in)	48 years	35 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 1968

Records set or tied on this calendar date in each year from 1793 to 1968. 1968 had 818 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 1968-12-21: 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 2026-10-13 (13 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 50	611
50 to 100	34
100 to 150	10
150 to 200	3
200 to 250	3
250 to 300	1