Weather Records on 21 December 2001

650 weather records were set or tied worldwide on 21 December 2001. Highest significance: Ocosingo, MX.

Key Facts for 21 December 2001

On 21 December 2001, 650 weather records were set or tied at long-record stations worldwide.
169 were record highs and 143 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 639 daily.
Ocosingo set a daily record precipitation of 74.9 mm (2.9 in) on 21 December 2001.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 488 records.

Record Map

650 stations

650 station records on 21 December 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ocosingo	Mexico	Record daily precipitation	74.9 mm (2.9 in)	67 of 100 (Major)
Metapa de Dominguez	Mexico	Record daily precipitation	37.3 mm (1.5 in)	61 of 100 (Major)
Angelica	United States	Record daily snowfall	20.3 cm (8.0 in)	51 of 100 (Notable)
Joseph	United States	Record daily snowfall	11.4 cm (4.5 in)	48 of 100 (Notable)
Amberg-Unterammersricht	Germany	Record daily precipitation	25.3 mm (1.0 in)	47 of 100 (Notable)
Shymkent	Kazakhstan	Record daily precipitation	62.0 mm (2.4 in)	46 of 100 (Notable)
Oudenbosch	Netherlands	Record daily precipitation	27.3 mm (1.1 in)	44 of 100 (Notable)
Gyzylarbat	Turkmenistan	Record daily precipitation	25.1 mm (1.0 in)	44 of 100 (Notable)
Larissa	Greece	Record low minimum temperature	-17.6 C (0.3 F)	42 of 100 (Notable)
Allegany Sp	United States	Record daily snowfall	22.9 cm (9.0 in)	42 of 100 (Notable)
Xochitlan Todos Santos	Mexico	Record high maximum temperature	33.9 C (93.0 F)	41 of 100 (Notable)
Mersa Matruh	Egypt	Record low minimum temperature	4.6 C (40.3 F)	38 of 100 (Notable)
Yosemite Park HQ	United States	Record daily snowfall	20.3 cm (8.0 in)	38 of 100 (Notable)
Gilroy	United States	Record daily precipitation	55.9 mm (2.2 in)	36 of 100 (Notable)
Ovezande	Netherlands	Record daily precipitation	26.6 mm (1.0 in)	35 of 100 (Notable)
Moose Pass 3NW	United States	Record daily snowfall	35.6 cm (14.0 in)	35 of 100 (Notable)
Brocken	Germany	Record daily precipitation	33.6 mm (1.3 in)	34 of 100 (Routine)
Birx/Rhon	Germany	Record daily precipitation	26.1 mm (1.0 in)	34 of 100 (Routine)
Atlatlahuacan	Mexico	Record low maximum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Lerwick	United Kingdom	Record daily precipitation	25.0 mm (1.0 in)	34 of 100 (Routine)
Seesen	Germany	Record daily precipitation	29.8 mm (1.2 in)	33 of 100 (Routine)
Linguere	Senegal	Record high maximum temperature	40.0 C (104.0 F)	32 of 100 (Routine)
Powers Lake 1N	United States	Record daily snowfall	5.1 cm (2.0 in)	32 of 100 (Routine)
Crailsheim-Alexandersreut	Germany	Record daily precipitation	30.2 mm (1.2 in)	31 of 100 (Routine)
San Felipe	Mexico	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Turany	Czech Republic	Record low minimum temperature	-15.2 C (4.6 F)	30 of 100 (Routine)
Mont-de-Marsan	France	Record low maximum temperature	-2.9 C (26.8 F)	30 of 100 (Routine)
Beerfelden	Germany	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Schmucke	Germany	Record daily precipitation	50.2 mm (2.0 in)	30 of 100 (Routine)
Alfhausen	Germany	Record daily precipitation	26.8 mm (1.1 in)	30 of 100 (Routine)
Tenosique (Smn)	Mexico	Record low minimum temperature	12.8 C (55.0 F)	30 of 100 (Routine)
Michelstadt	Germany	Record daily precipitation	31.7 mm (1.2 in)	29 of 100 (Routine)
Celaya (Smn)	Mexico	Record high maximum temperature	32.2 C (90.0 F)	29 of 100 (Routine)
Magdalena	Mexico	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
La Piedad de Cabadas (Dge)	Mexico	Record high minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Verhnij_Baskuncak	Russia	Record low minimum temperature	-25.8 C (-14.4 F)	28 of 100 (Routine)
Nuuk	Greenland [Denmark]	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Anchialos	Greece	Record low minimum temperature	-7.2 C (19.0 F)	27 of 100 (Routine)
Braunlage	Germany	Record daily precipitation	41.3 mm (1.6 in)	26 of 100 (Routine)
Mito	Japan	Record low maximum temperature	3.6 C (38.5 F)	26 of 100 (Routine)
Jonacapa	Mexico	Record high maximum temperature	30.0 C (86.0 F)	26 of 100 (Routine)
Jalapa del Marques	Mexico	Record high maximum temperature	38.9 C (102.0 F)	26 of 100 (Routine)
Barcelona/Aeropuerto	Spain	Record low minimum temperature	-1.0 C (30.2 F)	26 of 100 (Routine)
Ellendale	Australia	Record daily precipitation	35.0 mm (1.4 in)	25 of 100 (Routine)
Florina	Greece	Record low maximum temperature	-13.0 C (8.6 F)	25 of 100 (Routine)
El Sabino	Mexico	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Missoula 2 NE	United States	Record daily snowfall	10.4 cm (4.1 in)	25 of 100 (Routine)
Fichtelberg/Oberfranken-Huttst	Germany	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Perelyub	Russia	Record low minimum temperature	-28.9 C (-20.0 F)	24 of 100 (Routine)
Daroca	Spain	Record low minimum temperature	-9.2 C (15.4 F)	24 of 100 (Routine)
Los Alamos	United States	Record daily precipitation	33.0 mm (1.3 in)	24 of 100 (Routine)
Wuppertal-Buchenhofen	Germany	Record daily precipitation	36.2 mm (1.4 in)	23 of 100 (Routine)
Larissa	Greece	Record low maximum temperature	-5.6 C (21.9 F)	23 of 100 (Routine)
San Jose de Gracia	Mexico	Record high minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Sisal	Mexico	Record low maximum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Janaul	Russia	Record low minimum temperature	-33.4 C (-28.1 F)	23 of 100 (Routine)
Atakpane	Togo	Record high maximum temperature	35.3 C (95.5 F)	23 of 100 (Routine)
Parafield Airport	Australia	Record low minimum temperature	8.5 C (47.3 F)	22 of 100 (Routine)
Newcastle Nobbys Signal Statio	Australia	Record high minimum temperature	23.0 C (73.4 F)	22 of 100 (Routine)
Sonneberg-Neufang	Germany	Record daily precipitation	28.4 mm (1.1 in)	22 of 100 (Routine)

Counts by Type and Timescale

650 records

Records set or tied on 21 December 2001 by type: Highest daily maximum 92, Lowest daily maximum 70, Highest daily minimum 77, Lowest daily minimum 73, Heaviest daily rainfall 294, Heaviest daily snowfall 27, Deepest snow cover 17.

Records on 21 December 2001 by type
Record type	Records
Highest daily maximum	92
Lowest daily maximum	70
Highest daily minimum	77
Lowest daily minimum	73
Heaviest daily rainfall	294
Heaviest daily snowfall	27
Deepest snow cover	17

Records on 21 December 2001 by timescale: all-time 1, monthly 10, daily 639.

How Much Records Were Beaten By

552 broken records

Margins by which the 552 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

21 December 2001

Top 20 records on 21 December 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 2001	Ocosingo, MX	daily rain	74.9 mm (2.9 in)	65.0 mm (2.6 in)	68 years	67 of 100 (Major)
21 December 2001	Metapa de Dominguez, MX	daily rain	37.3 mm (1.5 in)	37.3 mm (1.5 in)	56 years	61 of 100 (Major)
21 December 2001	Angelica, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	72 years	51 of 100 (Notable)
21 December 2001	Joseph, US	daily snowfall	11.4 cm (4.5 in)	3.8 cm (1.5 in)	96 years	48 of 100 (Notable)
21 December 2001	Amberg-Unterammersricht, DE	daily rain	25.3 mm (1.0 in)	13.3 mm (0.5 in)	48 years	47 of 100 (Notable)
21 December 2001	Shymkent, KZ	monthly rain	62.0 mm (2.4 in)	17.8 mm (0.7 in)	25 years	46 of 100 (Notable)
21 December 2001	Oudenbosch, NL	daily rain	27.3 mm (1.1 in)	13.7 mm (0.5 in)	10 years	44 of 100 (Notable)
21 December 2001	Gyzylarbat, TM	daily rain	25.1 mm (1.0 in)	9.2 mm (0.36 in)	44 years	44 of 100 (Notable)
21 December 2001	Larissa, GR	daily low min	-17.6 C (0.3 F)	10.9 C (19.6 F)	40 years	42 of 100 (Notable)
21 December 2001	Allegany Sp, US	daily snowfall	22.9 cm (9.0 in)	8.9 cm (3.5 in)	63 years	42 of 100 (Notable)
21 December 2001	Xochitlan Todos Santos, MX	daily high max	33.9 C (93.0 F)	6.1 C (11.0 F)	50 years	41 of 100 (Notable)
21 December 2001	Mersa Matruh, EG	daily low min	4.6 C (40.3 F)	1.4 C (2.5 F)	80 years	38 of 100 (Notable)
21 December 2001	Yosemite Park HQ, US	daily snowfall	20.3 cm (8.0 in)	7.6 cm (3.0 in)	75 years	38 of 100 (Notable)
21 December 2001	Gilroy, US	daily rain	55.9 mm (2.2 in)	36.8 mm (1.4 in)	12 years	36 of 100 (Notable)
21 December 2001	Ovezande, NL	daily rain	26.6 mm (1.0 in)	11.5 mm (0.5 in)	19 years	35 of 100 (Notable)
21 December 2001	Moose Pass 3NW, US	monthly snowfall	35.6 cm (14.0 in)	5.1 cm (2.0 in)	34 years	35 of 100 (Notable)
21 December 2001	Brocken, DE	daily rain	33.6 mm (1.3 in)	0.8 mm (0.03 in)	82 years	34 of 100 (Routine)
21 December 2001	Birx/Rhon, DE	daily rain	26.1 mm (1.0 in)	8.5 mm (0.33 in)	47 years	34 of 100 (Routine)
21 December 2001	Atlatlahuacan, MX	daily low max	20.6 C (69.1 F)	1.1 C (2.0 F)	76 years	34 of 100 (Routine)
21 December 2001	Lerwick, GB	daily rain	25.0 mm (1.0 in)	9.0 mm (0.35 in)	44 years	34 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 2001

Records set or tied on this calendar date in each year from 1793 to 2001. 2001 had 650 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 2001-12-21: 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 20	527
20 to 40	11
40 to 60	6
60 to 80	4
80 to 100	1
100 to 120	2
120 to 140	1