Weather Records on 6 December 2021

676 weather records were set or tied worldwide on 6 December 2021. Highest significance: Calcutta/Alipore, IN.

Key Facts for 6 December 2021

On 6 December 2021, 676 weather records were set or tied at long-record stations worldwide.
306 were record highs and 126 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 16 monthly and 660 daily.
Calcutta/Alipore set a monthly record daily precipitation of 74.9 mm (2.9 in) on 6 December 2021.
Across 164 earlier years (1804 to 2025) the same calendar date averaged 483 records.

Record Map

676 stations

676 station records on 6 December 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 6 December 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Calcutta/Alipore	India	Record daily precipitation	74.9 mm (2.9 in)	85 of 100 (Exceptional)
Wiseman	United States	Record daily snowfall	68.6 cm (27.0 in)	83 of 100 (Exceptional)
Chandbali	India	Record daily precipitation	46.0 mm (1.8 in)	71 of 100 (Major)
1 N McLeansboro	United States	Record daily precipitation	59.2 mm (2.3 in)	69 of 100 (Major)
Calcutta/Dum Dum	India	Record daily precipitation	97.0 mm (3.8 in)	68 of 100 (Major)
Tabora Airport	Tanzania	Record daily precipitation	99.1 mm (3.9 in)	68 of 100 (Major)
Nuuanu Rsch 5 775	United States	Record daily precipitation	211.3 mm (8.3 in)	61 of 100 (Major)
Winnibigoshish Dam	United States	Record daily snowfall	22.9 cm (9.0 in)	60 of 100 (Major)
Rhinelander	United States	Record daily snowfall	20.3 cm (8.0 in)	59 of 100 (Notable)
Pokegama Dam	United States	Record daily snowfall	22.9 cm (9.0 in)	58 of 100 (Notable)
Balasore	India	Record daily precipitation	36.1 mm (1.4 in)	57 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	57 of 100 (Notable)
Cotton	United States	Record daily snowfall	20.3 cm (8.0 in)	57 of 100 (Notable)
Wilhelmina Rise 721	United States	Record daily precipitation	180.3 mm (7.1 in)	56 of 100 (Notable)
Escanaba	United States	Record daily snowfall	27.9 cm (11.0 in)	56 of 100 (Notable)
Puri	India	Record daily precipitation	29.0 mm (1.1 in)	55 of 100 (Notable)
Brimson 2S	United States	Record daily snowfall	30.0 cm (11.8 in)	55 of 100 (Notable)
Beretania Pump STN 705	United States	Record daily precipitation	168.1 mm (6.6 in)	55 of 100 (Notable)
Grayling	United States	Record daily precipitation	32.0 mm (1.3 in)	54 of 100 (Notable)
Cannery Creek	United States	Record daily snowfall	38.1 cm (15.0 in)	54 of 100 (Notable)
Grand Portage	United States	Record daily snowfall	30.5 cm (12.0 in)	53 of 100 (Notable)
Palolo Vly 718	United States	Record daily precipitation	189.7 mm (7.5 in)	53 of 100 (Notable)
Monto Township	Australia	Record daily precipitation	56.6 mm (2.2 in)	52 of 100 (Notable)
Grayling	United States	Record daily snowfall	30.5 cm (12.0 in)	52 of 100 (Notable)
Kaneohe Bay MCAS	United States	Record daily precipitation	223.8 mm (8.8 in)	52 of 100 (Notable)
Cody	United States	Record daily snowfall	12.7 cm (5.0 in)	51 of 100 (Notable)
Pauoa Flats 784	United States	Record daily precipitation	200.4 mm (7.9 in)	51 of 100 (Notable)
Paiko Drive 723.4	United States	Record daily precipitation	125.7 mm (4.9 in)	50 of 100 (Notable)
Homer 8 NW	United States	Record daily snowfall	35.6 cm (14.0 in)	49 of 100 (Notable)
Bettles AP	United States	Record daily precipitation	27.2 mm (1.1 in)	49 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record low minimum temperature	13.3 C (55.9 F)	48 of 100 (Notable)
Anna 4 N	United States	Record daily precipitation	37.6 mm (1.5 in)	48 of 100 (Notable)
Nuuanu Rsch 4 783	United States	Record daily precipitation	198.9 mm (7.8 in)	48 of 100 (Notable)
Primda	Czech Republic	Record daily precipitation	59.9 mm (2.4 in)	47 of 100 (Notable)
1 WSW Princeton	United States	Record daily precipitation	53.3 mm (2.1 in)	47 of 100 (Notable)
Two Harbors	United States	Record daily snowfall	23.4 cm (9.2 in)	47 of 100 (Notable)
Marinette	United States	Record daily snowfall	20.3 cm (8.0 in)	47 of 100 (Notable)
Wausaukee	United States	Record daily snowfall	20.3 cm (8.0 in)	47 of 100 (Notable)
Agartala	India	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
Agassiz Refuge	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Bemidji	United States	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
Eveleth Wwtp	United States	Record daily snowfall	25.4 cm (10.0 in)	46 of 100 (Notable)
Washington Is	United States	Record daily snowfall	14.7 cm (5.8 in)	46 of 100 (Notable)
Steuben	United States	Record daily snowfall	23.1 cm (9.1 in)	45 of 100 (Notable)
Chita	Russia	Record high minimum temperature	-9.2 C (15.4 F)	44 of 100 (Notable)
Manistique Wwtp	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Simpson 6 N - Wildhorse	United States	Record daily snowfall	14.5 cm (5.7 in)	44 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record high maximum temperature	36.1 C (97.0 F)	43 of 100 (Notable)
Kings Mills	United States	Record daily precipitation	25.1 mm (1.0 in)	43 of 100 (Notable)
Sewanee	United States	Record high minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Rest Lake	United States	Record daily snowfall	22.9 cm (9.0 in)	43 of 100 (Notable)
Brownsville	United States	Record high maximum temperature	31.1 C (88.0 F)	43 of 100 (Notable)
Lihue WSO AP 1020.1	United States	Record daily precipitation	83.1 mm (3.3 in)	43 of 100 (Notable)
Bettles AP	United States	Record daily snowfall	23.1 cm (9.1 in)	42 of 100 (Notable)
Susanville 2SW	United States	Record high maximum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Grand Marais	United States	Record daily snowfall	22.9 cm (9.0 in)	41 of 100 (Notable)
Grand Portage	United States	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)
Fairfield	United States	Record daily precipitation	50.3 mm (2.0 in)	41 of 100 (Notable)
Raymondville	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Annex Creek	United States	Record snow depth	203.2 cm (80.0 in)	41 of 100 (Notable)

Counts by Type and Timescale

676 records

Records set or tied on 6 December 2021 by type: Highest daily maximum 188, Lowest daily maximum 65, Highest daily minimum 118, Lowest daily minimum 61, Heaviest daily rainfall 160, Heaviest daily snowfall 69, Deepest snow cover 15.

Records on 6 December 2021 by type
Record type	Records
Highest daily maximum	188
Lowest daily maximum	65
Highest daily minimum	118
Lowest daily minimum	61
Heaviest daily rainfall	160
Heaviest daily snowfall	69
Deepest snow cover	15

Records on 6 December 2021 by timescale: all-time 0, monthly 16, daily 660.

How Much Records Were Beaten By

554 broken records

Margins by which the 554 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 407.0. Ties are not counted.

Top 20 by Significance

6 December 2021

Top 20 records on 6 December 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 December 2021	Calcutta/Alipore, IN	monthly rain	74.9 mm (2.9 in)	42.6 mm (1.7 in)	84 years	85 of 100 (Exceptional)
6 December 2021	Wiseman, US	monthly snowfall	68.6 cm (27.0 in)	40.7 cm (16.0 in)	76 years	83 of 100 (Exceptional)
6 December 2021	Chandbali, IN	daily rain	46.0 mm (1.8 in)	46.0 mm (1.8 in)	92 years	71 of 100 (Major)
6 December 2021	1 N McLeansboro, US	daily rain	59.2 mm (2.3 in)	35.3 mm (1.4 in)	102 years	69 of 100 (Major)
6 December 2021	Calcutta/Dum Dum, IN	daily rain	97.0 mm (3.8 in)	97.0 mm (3.8 in)	70 years	68 of 100 (Major)
6 December 2021	Tabora Airport, TZ	daily rain	99.1 mm (3.9 in)	61.0 mm (2.4 in)	70 years	68 of 100 (Major)
6 December 2021	Nuuanu Rsch 5 775, US	daily rain	211.3 mm (8.3 in)	170.7 mm (6.7 in)	39 years	61 of 100 (Major)
6 December 2021	Winnibigoshish Dam, US	daily snowfall	22.9 cm (9.0 in)	8.9 cm (3.5 in)	92 years	60 of 100 (Major)
6 December 2021	Rhinelander, US	daily snowfall	20.3 cm (8.0 in)	11.4 cm (4.5 in)	72 years	59 of 100 (Notable)
6 December 2021	Pokegama Dam, US	daily snowfall	22.9 cm (9.0 in)	7.7 cm (3.0 in)	92 years	58 of 100 (Notable)
6 December 2021	Balasore, IN	daily rain	36.1 mm (1.4 in)	30.0 mm (1.2 in)	112 years	57 of 100 (Notable)
6 December 2021	Manati 2 E, PR	monthly high min	24.4 C (75.9 F)	1.1 C (2.0 F)	107 years	57 of 100 (Notable)
6 December 2021	Cotton, US	daily snowfall	20.3 cm (8.0 in)	13.9 cm (5.5 in)	44 years	57 of 100 (Notable)
6 December 2021	Wilhelmina Rise 721, US	daily rain	180.3 mm (7.1 in)	113.2 mm (4.5 in)	32 years	56 of 100 (Notable)
6 December 2021	Escanaba, US	daily snowfall	27.9 cm (11.0 in)	9.1 cm (3.6 in)	84 years	56 of 100 (Notable)
6 December 2021	Puri, IN	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	120 years	55 of 100 (Notable)
6 December 2021	Brimson 2S, US	daily snowfall	30.0 cm (11.8 in)	22.4 cm (8.8 in)	28 years	55 of 100 (Notable)
6 December 2021	Beretania Pump STN 705, US	daily rain	168.1 mm (6.6 in)	74.1 mm (2.9 in)	32 years	55 of 100 (Notable)
6 December 2021	Grayling, US	daily rain	32.0 mm (1.3 in)	6.6 mm (0.26 in)	112 years	54 of 100 (Notable)
6 December 2021	Cannery Creek, US	daily snowfall	38.1 cm (15.0 in)	30.5 cm (12.0 in)	40 years	54 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

1804 to 2021

Records set or tied on this calendar date in each year from 1804 to 2021. 2021 had 676 records.

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

Records on 12-06 in each year
Year	Records
1804	1
1822	1
1825	1
1827	1
1829	2
1832	1
1836	1
1839	1
1840	1
1841	1
1842	1
1844	2
1848	1
1856	2
1859	1
1860	2
1861	1
1862	1
1865	1
1866	1
1868	7
1871	1
1872	1
1875	3
1876	1
1879	5
1880	1
1884	2
1886	3
1888	2
1889	1
1890	1
1891	8
1893	2
1895	3
1896	2
1897	1
1898	4
1899	7
1900	6
1901	5
1902	19
1903	7
1904	13
1905	4
1906	23
1907	10
1908	18
1909	26
1910	35
1911	9
1912	109
1913	14
1914	11
1915	63
1916	25
1917	22
1918	34
1919	30
1920	259
1921	20
1922	150
1923	145
1924	159
1925	189
1926	308
1927	107
1928	98
1929	92
1930	481
1931	178
1932	363
1933	346
1934	185
1935	283
1936	524
1937	958
1938	267
1939	918
1940	264
1941	231
1942	509
1943	378
1944	203
1945	241
1946	657
1947	178
1948	396
1949	137
1950	1,419
1951	1,591
1952	229
1953	533
1954	455
1955	345
1956	1,633
1957	362
1958	640
1959	379
1960	707
1961	197
1962	916
1963	391
1964	597
1965	420
1966	1,013
1967	310
1968	356
1969	810
1970	558
1971	545
1972	2,565
1973	482
1974	549
1975	637
1976	643
1977	1,480
1978	969
1979	809
1980	1,108
1981	937
1982	1,277
1983	1,232
1984	1,245
1985	1,087
1986	695
1987	978
1988	660
1989	798
1990	800
1991	743
1992	1,622
1993	485
1994	1,467
1995	1,456
1996	1,093
1997	953
1998	2,750
1999	1,079
2000	1,230
2001	1,520
2002	1,576
2003	1,303
2004	699
2005	1,233
2006	1,097
2007	1,538
2008	913
2009	866
2010	1,364
2011	1,327
2012	848
2013	2,182
2014	615
2015	768
2016	575
2017	402
2018	469
2019	374
2020	549
2021	676
2022	432
2023	1,271
2024	620
2025	640

Download the Data

Data for records on 2021-12-06: 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 100	537
100 to 200	8
200 to 300	6
300 to 400	1
400 to 500	2