Weather Records on 21 January 2010

1,166 weather records were set or tied worldwide on 21 January 2010. Highest significance: Sonoita, MX.

Key Facts for 21 January 2010

On 21 January 2010, 1,166 weather records were set or tied at long-record stations worldwide.
453 were record highs and 118 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 59 monthly and 1,099 daily.
Sonoita set an all-time record daily precipitation of 130.3 mm (5.1 in) on 21 January 2010.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

1,166 stations

1,166 station records on 21 January 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 January 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sonoita	Mexico	Record daily precipitation	130.3 mm (5.1 in)	80 of 100 (Exceptional)
Tuba City	United States	Record daily precipitation	33.0 mm (1.3 in)	76 of 100 (Major)
Canelo 1 NW	United States	Record daily precipitation	52.8 mm (2.1 in)	75 of 100 (Major)
Chapala	Mexico	Record daily precipitation	104.9 mm (4.1 in)	73 of 100 (Major)
Palm Springs	United States	Record daily precipitation	63.5 mm (2.5 in)	72 of 100 (Major)
Imperial	United States	Record daily precipitation	31.5 mm (1.2 in)	71 of 100 (Major)
Federal Pt	United States	Record daily precipitation	112.8 mm (4.4 in)	71 of 100 (Major)
Prescott Love Fld	United States	Record daily precipitation	57.9 mm (2.3 in)	69 of 100 (Major)
Aspendell	United States	Record daily precipitation	61.0 mm (2.4 in)	67 of 100 (Major)
Flagstaff AP	United States	Record daily precipitation	86.1 mm (3.4 in)	67 of 100 (Major)
Snowflake	United States	Record daily precipitation	33.5 mm (1.3 in)	66 of 100 (Major)
Winslow AP	United States	Record daily precipitation	27.7 mm (1.1 in)	66 of 100 (Major)
Kofa Mine	United States	Record daily precipitation	95.3 mm (3.8 in)	64 of 100 (Major)
Seligman	United States	Record daily precipitation	37.3 mm (1.5 in)	64 of 100 (Major)
Audubon	United States	Record snow depth	66.0 cm (26.0 in)	64 of 100 (Major)
Yuma Proving Ground	United States	Record daily precipitation	60.2 mm (2.4 in)	64 of 100 (Major)
Naco	Mexico	Record daily precipitation	42.9 mm (1.7 in)	63 of 100 (Major)
Bahia de Los Angeles	Mexico	Record daily precipitation	36.8 mm (1.4 in)	60 of 100 (Major)
Silverton	United States	Record daily precipitation	34.5 mm (1.4 in)	60 of 100 (Major)
San Ignacio	Mexico	Record daily precipitation	39.9 mm (1.6 in)	59 of 100 (Notable)
Wittmann 1SE	United States	Record daily precipitation	66.3 mm (2.6 in)	58 of 100 (Notable)
Blanding	United States	Record daily snowfall	33.0 cm (13.0 in)	58 of 100 (Notable)
Santo Tomas	Mexico	Record daily precipitation	66.8 mm (2.6 in)	56 of 100 (Notable)
Cordes	United States	Record daily precipitation	81.5 mm (3.2 in)	56 of 100 (Notable)
La Rumorosa	Mexico	Record daily precipitation	46.5 mm (1.8 in)	55 of 100 (Notable)
Crestview FAA/AP	United States	Record daily precipitation	177.5 mm (7.0 in)	55 of 100 (Notable)
Blythe ASOS	United States	Record daily precipitation	37.1 mm (1.5 in)	55 of 100 (Notable)
Nanning	China	Record daily precipitation	48.3 mm (1.9 in)	54 of 100 (Notable)
Quartzsite	United States	Record daily precipitation	51.3 mm (2.0 in)	54 of 100 (Notable)
Presa Morelos	Mexico	Record daily precipitation	30.0 mm (1.2 in)	53 of 100 (Notable)
Miami	United States	Record daily precipitation	47.0 mm (1.9 in)	53 of 100 (Notable)
Sasabe	United States	Record daily precipitation	73.7 mm (2.9 in)	53 of 100 (Notable)
Walnut Grove	United States	Record daily precipitation	71.1 mm (2.8 in)	53 of 100 (Notable)
El Centro 2 SSW	United States	Record daily precipitation	29.0 mm (1.1 in)	52 of 100 (Notable)
Lyons	United States	Record snow depth	63.5 cm (25.0 in)	52 of 100 (Notable)
Needles AP	United States	Record daily precipitation	42.2 mm (1.7 in)	52 of 100 (Notable)
Ejido Valle de la Trinidad	Mexico	Record daily precipitation	93.0 mm (3.7 in)	51 of 100 (Notable)
Perry	United States	Record daily precipitation	129.8 mm (5.1 in)	51 of 100 (Notable)
Morgan 5 NW	United States	Record daily precipitation	109.7 mm (4.3 in)	51 of 100 (Notable)
Sac City	United States	Record snow depth	73.7 cm (29.0 in)	51 of 100 (Notable)
Quemazon	United States	Record daily precipitation	30.5 mm (1.2 in)	51 of 100 (Notable)
Natural Brg	United States	Record daily precipitation	54.4 mm (2.1 in)	50 of 100 (Notable)
Pleasant Valley	United States	Record daily precipitation	114.3 mm (4.5 in)	50 of 100 (Notable)
Widtsoe #3	United States	Record daily precipitation	48.3 mm (1.9 in)	50 of 100 (Notable)
Desert Resorts Rgnl AP	United States	Record daily precipitation	29.2 mm (1.1 in)	50 of 100 (Notable)
San Agustin	Mexico	Record daily precipitation	33.8 mm (1.3 in)	49 of 100 (Notable)
Laveen 3 SSE	United States	Record daily precipitation	45.7 mm (1.8 in)	49 of 100 (Notable)
Show Low AP	United States	Record daily precipitation	38.9 mm (1.5 in)	49 of 100 (Notable)
Milford 4 NW	United States	Record snow depth	81.3 cm (32.0 in)	49 of 100 (Notable)
Tallahassee	United States	Record daily precipitation	118.4 mm (4.7 in)	49 of 100 (Notable)
Agua Caliente	Mexico	Record daily precipitation	55.6 mm (2.2 in)	48 of 100 (Notable)
San Borja	Mexico	Record daily precipitation	59.9 mm (2.4 in)	48 of 100 (Notable)
Silverton	United States	Record daily snowfall	55.6 cm (21.9 in)	48 of 100 (Notable)
Guiping	China	Record daily precipitation	43.9 mm (1.7 in)	47 of 100 (Notable)
Gisela	United States	Record daily precipitation	99.1 mm (3.9 in)	47 of 100 (Notable)
Brewton 3 SSE	United States	Record daily precipitation	101.6 mm (4.0 in)	46 of 100 (Notable)
Wakefield 3NW	United States	Record snow depth	50.8 cm (20.0 in)	46 of 100 (Notable)
Redig 11 NE	United States	Record snow depth	86.4 cm (34.0 in)	46 of 100 (Notable)
Cascade	United States	Record daily precipitation	55.9 mm (2.2 in)	46 of 100 (Notable)
Ignacio Zaragoza -Belen-	Mexico	Record daily precipitation	62.0 mm (2.4 in)	45 of 100 (Notable)

Counts by Type and Timescale

1,166 records

Records set or tied on 21 January 2010 by type: Highest daily maximum 260, Lowest daily maximum 60, Highest daily minimum 193, Lowest daily minimum 58, Heaviest daily rainfall 458, Heaviest daily snowfall 51, Deepest snow cover 86.

Records on 21 January 2010 by type
Record type	Records
Highest daily maximum	260
Lowest daily maximum	60
Highest daily minimum	193
Lowest daily minimum	58
Heaviest daily rainfall	458
Heaviest daily snowfall	51
Deepest snow cover	86

Records on 21 January 2010 by timescale: all-time 8, monthly 59, daily 1,099.

How Much Records Were Beaten By

952 broken records

Margins by which the 952 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 457.0. Ties are not counted.

Top 20 by Significance

21 January 2010

Top 20 records on 21 January 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 January 2010	Sonoita, MX	all-time rain	130.3 mm (5.1 in)	51.3 mm (2.0 in)	48 years	80 of 100 (Exceptional)
21 January 2010	Tuba City, US	daily rain	33.0 mm (1.3 in)	23.3 mm (0.9 in)	87 years	76 of 100 (Major)
21 January 2010	Canelo 1 NW, US	daily rain	52.8 mm (2.1 in)	31.2 mm (1.2 in)	84 years	75 of 100 (Major)
21 January 2010	Chapala, MX	all-time rain	104.9 mm (4.1 in)	35.0 mm (1.4 in)	26 years	73 of 100 (Major)
21 January 2010	Palm Springs, US	daily rain	63.5 mm (2.5 in)	40.6 mm (1.6 in)	95 years	72 of 100 (Major)
21 January 2010	Imperial, US	daily rain	31.5 mm (1.2 in)	23.9 mm (0.9 in)	71 years	71 of 100 (Major)
21 January 2010	Federal Pt, US	monthly rain	112.8 mm (4.4 in)	37.9 mm (1.5 in)	61 years	71 of 100 (Major)
21 January 2010	Prescott Love Fld, US	monthly rain	57.9 mm (2.3 in)	24.9 mm (1.0 in)	45 years	69 of 100 (Major)
21 January 2010	Aspendell, US	daily rain	61.0 mm (2.4 in)	42.5 mm (1.7 in)	88 years	67 of 100 (Major)
21 January 2010	Flagstaff AP, US	monthly rain	86.1 mm (3.4 in)	15.0 mm (0.6 in)	115 years	67 of 100 (Major)
21 January 2010	Snowflake, US	daily rain	33.5 mm (1.3 in)	23.3 mm (0.9 in)	54 years	66 of 100 (Major)
21 January 2010	Winslow AP, US	daily rain	27.7 mm (1.1 in)	21.1 mm (0.8 in)	54 years	66 of 100 (Major)
21 January 2010	Kofa Mine, US	monthly rain	95.3 mm (3.8 in)	59.7 mm (2.4 in)	33 years	64 of 100 (Major)
21 January 2010	Seligman, US	daily rain	37.3 mm (1.5 in)	24.3 mm (1.0 in)	48 years	64 of 100 (Major)
21 January 2010	Audubon, US	daily snow depth	66.0 cm (26.0 in)	25.4 cm (10.0 in)	98 years	64 of 100 (Major)
21 January 2010	Yuma Proving Ground, US	monthly rain	60.2 mm (2.4 in)	25.9 mm (1.0 in)	31 years	64 of 100 (Major)
21 January 2010	Naco, MX	daily rain	42.9 mm (1.7 in)	32.0 mm (1.3 in)	70 years	63 of 100 (Major)
21 January 2010	Bahia de Los Angeles, MX	monthly rain	36.8 mm (1.4 in)	17.0 mm (0.7 in)	24 years	60 of 100 (Major)
21 January 2010	Silverton, US	daily rain	34.5 mm (1.4 in)	15.2 mm (0.6 in)	99 years	60 of 100 (Major)
21 January 2010	San Ignacio, MX	daily rain	39.9 mm (1.6 in)	34.6 mm (1.4 in)	56 years	59 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 2010

Records set or tied on this calendar date in each year from 1793 to 2010. 2010 had 1,166 records.

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

Records on 01-21 in each year
Year	Records
1793	1
1795	2
1796	1
1798	1
1800	2
1803	1
1804	2
1829	1
1838	3
1840	2
1845	2
1846	1
1850	2
1864	2
1866	4
1867	1
1869	1
1871	1
1873	2
1876	1
1878	4
1880	3
1881	4
1884	1
1885	1
1886	1
1888	3
1890	2
1891	3
1892	2
1893	1
1894	3
1895	2
1896	2
1897	3
1898	3
1899	15
1900	5
1901	4
1902	8
1903	18
1904	30
1905	3
1906	53
1907	10
1908	11
1909	25
1910	11
1911	8
1912	7
1913	23
1914	37
1915	47
1916	38
1917	83
1918	49
1919	14
1920	75
1921	54
1922	35
1923	62
1924	535
1925	103
1926	157
1927	447
1928	206
1929	132
1930	616
1931	112
1932	167
1933	572
1934	255
1935	771
1936	314
1937	852
1938	250
1939	305
1940	562
1941	205
1942	522
1943	1,168
1944	324
1945	290
1946	339
1947	205
1948	387
1949	452
1950	643
1951	367
1952	436
1953	325
1954	1,094
1955	399
1956	653
1957	527
1958	506
1959	936
1960	319
1961	746
1962	741
1963	761
1964	771
1965	251
1966	636
1967	511
1968	1,179
1969	927
1970	1,770
1971	672
1972	598
1973	573
1974	992
1975	496
1976	860
1977	549
1978	1,301
1979	1,675
1980	425
1981	972
1982	1,339
1983	1,179
1984	2,132
1985	2,457
1986	883
1987	934
1988	771
1989	511
1990	927
1991	559
1992	447
1993	1,763
1994	1,195
1995	1,276
1996	528
1997	950
1998	606
1999	1,387
2000	686
2001	736
2002	796
2003	690
2004	535
2005	1,111
2006	1,116
2007	1,955
2008	1,061
2009	788
2010	1,166
2011	836
2012	1,148
2013	455
2014	522
2015	426
2016	580
2017	1,248
2018	664
2019	526
2020	894
2021	626
2022	430
2023	517
2024	1,015
2025	1,386
2026	201

Download the Data

Data for records on 2010-01-21: 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).

Histogram of margins by which records were beaten on 21 January 2010
Margin	Records
0 to 100	913
100 to 200	24
200 to 300	11
300 to 400	3
400 to 500	1