Weather Records on 9 December 2009

2,442 weather records were set or tied worldwide on 9 December 2009. Highest significance: Zumbrota, US.

Key Facts for 9 December 2009

On 9 December 2009, 2,442 weather records were set or tied at long-record stations worldwide.
391 were record highs and 419 were record lows, counting maximum and minimum temperature.
By timescale, 23 were all-time records, 149 monthly and 2,270 daily.
Zumbrota set a daily record snowfall of 27.9 cm (11.0 in) on 9 December 2009.
Across 157 earlier years (1796 to 2025) the same calendar date averaged 463 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 9 December 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 December 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Zumbrota	United States	Record daily snowfall	27.9 cm (11.0 in)	79 of 100 (Major)
Fremont	United States	Record daily snowfall	27.9 cm (11.0 in)	77 of 100 (Major)
New London	United States	Record daily precipitation	41.9 mm (1.6 in)	72 of 100 (Major)
Gallatin 1W	United States	Record daily snowfall	25.4 cm (10.0 in)	71 of 100 (Major)
Dodgeville Wwtp	United States	Record daily snowfall	22.9 cm (9.0 in)	71 of 100 (Major)
Alpharetta 4 SSW	United States	Record daily precipitation	48.0 mm (1.9 in)	68 of 100 (Major)
Atlantic 1 NE	United States	Record daily precipitation	55.9 mm (2.2 in)	68 of 100 (Major)
Audubon	United States	Record daily snowfall	40.6 cm (16.0 in)	68 of 100 (Major)
David City 4E	United States	Record daily snowfall	19.1 cm (7.5 in)	68 of 100 (Major)
Faribault	United States	Record daily snowfall	26.7 cm (10.5 in)	67 of 100 (Major)
Knoxville	United States	Record daily snowfall	35.6 cm (14.0 in)	66 of 100 (Major)
Beloit	United States	Record snow depth	30.5 cm (12.0 in)	65 of 100 (Major)
Lebanon	United States	Record snow depth	43.2 cm (17.0 in)	65 of 100 (Major)
Lincoln 1 SE	United States	Record snow depth	30.5 cm (12.0 in)	65 of 100 (Major)
Mason City	United States	Record daily snowfall	20.3 cm (8.0 in)	65 of 100 (Major)
Plymouth Wwtp	United States	Record daily snowfall	30.5 cm (12.0 in)	65 of 100 (Major)
Jefferson	United States	Record daily snowfall	25.9 cm (10.2 in)	64 of 100 (Major)
Knoxville	United States	Record snow depth	48.3 cm (19.0 in)	64 of 100 (Major)
Logan 1 WNW	United States	Record daily snowfall	21.6 cm (8.5 in)	64 of 100 (Major)
Grundy Ctr	United States	Record daily snowfall	22.9 cm (9.0 in)	63 of 100 (Major)
New Hampton	United States	Record daily snowfall	31.8 cm (12.5 in)	63 of 100 (Major)
Minnesota City Dam 5	United States	Record daily snowfall	35.6 cm (14.0 in)	63 of 100 (Major)
Murphy 4ESE	United States	Record daily precipitation	80.0 mm (3.1 in)	63 of 100 (Major)
Lancaster 4 WSW	United States	Record daily precipitation	30.7 mm (1.2 in)	63 of 100 (Major)
Neillsville 3ESE	United States	Record daily snowfall	22.9 cm (9.0 in)	63 of 100 (Major)
Mankato	United States	Record snow depth	33.0 cm (13.0 in)	62 of 100 (Major)
Nelson	United States	Record daily snowfall	30.0 cm (11.8 in)	62 of 100 (Major)
Mt Mary College	United States	Record daily precipitation	38.4 mm (1.5 in)	62 of 100 (Major)
Lamoni	United States	Record daily snowfall	30.5 cm (12.0 in)	61 of 100 (Major)
Tekamah	United States	Record daily snowfall	30.5 cm (12.0 in)	61 of 100 (Major)
Ephraim	United States	Record snow depth	20.3 cm (8.0 in)	61 of 100 (Major)
Hot Springs	United States	Record daily precipitation	50.8 mm (2.0 in)	61 of 100 (Major)
Lincoln UNIV Pwr Plt	United States	Record daily snowfall	22.4 cm (8.8 in)	61 of 100 (Major)
Harlan	United States	Record daily precipitation	30.5 mm (1.2 in)	60 of 100 (Major)
Red Oak	United States	Record daily snowfall	28.7 cm (11.3 in)	60 of 100 (Major)
Beloit	United States	Record daily snowfall	20.3 cm (8.0 in)	60 of 100 (Major)
Table Rock 4N	United States	Record snow depth	35.6 cm (14.0 in)	60 of 100 (Major)
Kingston	United States	Record daily precipitation	81.3 mm (3.2 in)	60 of 100 (Major)
Moab	United States	Record snow depth	17.8 cm (7.0 in)	60 of 100 (Major)
Holcombe	United States	Record daily snowfall	25.4 cm (10.0 in)	60 of 100 (Major)
Rhinelander	United States	Record daily snowfall	18.8 cm (7.4 in)	60 of 100 (Major)
Mt Carroll	United States	Record daily precipitation	31.0 mm (1.2 in)	59 of 100 (Notable)
Mt Carroll	United States	Record daily snowfall	21.8 cm (8.6 in)	59 of 100 (Notable)
Marshalltown	United States	Record daily snowfall	33.0 cm (13.0 in)	59 of 100 (Notable)
Zearing	United States	Record daily snowfall	27.9 cm (11.0 in)	59 of 100 (Notable)
Natoma	United States	Record snow depth	22.9 cm (9.0 in)	59 of 100 (Notable)
Fairmont	United States	Record daily snowfall	20.3 cm (8.0 in)	59 of 100 (Notable)
Toms River	United States	Record daily precipitation	57.2 mm (2.3 in)	59 of 100 (Notable)
Fond du Lac Wwtp	United States	Record daily snowfall	22.9 cm (9.0 in)	59 of 100 (Notable)
Stanley Wwtp	United States	Record daily snowfall	31.5 cm (12.4 in)	59 of 100 (Notable)
Ft Dodge 5NNW	United States	Record snow depth	35.6 cm (14.0 in)	58 of 100 (Notable)
Fairmont	United States	Record daily precipitation	41.1 mm (1.6 in)	58 of 100 (Notable)
Readstown	United States	Record daily snowfall	27.9 cm (11.0 in)	58 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	30.0 mm (1.2 in)	57 of 100 (Notable)
Pella 1S	United States	Record daily snowfall	25.4 cm (10.0 in)	57 of 100 (Notable)
Ashland #2	United States	Record daily snowfall	16.8 cm (6.6 in)	57 of 100 (Notable)
Friend 3E	United States	Record daily snowfall	20.3 cm (8.0 in)	57 of 100 (Notable)
Holdrege	United States	Record daily snowfall	25.4 cm (10.0 in)	57 of 100 (Notable)
Cedar Rapids #1	United States	Record daily snowfall	17.8 cm (7.0 in)	56 of 100 (Notable)
Marshall	United States	Record daily precipitation	42.4 mm (1.7 in)	56 of 100 (Notable)

Counts by Type and Timescale

2,442 records

Records set or tied on 9 December 2009 by type: Highest daily maximum 209, Lowest daily maximum 199, Highest daily minimum 182, Lowest daily minimum 220, Heaviest daily rainfall 810, Heaviest daily snowfall 503, Deepest snow cover 319.

Records on 9 December 2009 by type
Record type	Records
Highest daily maximum	209
Lowest daily maximum	199
Highest daily minimum	182
Lowest daily minimum	220
Heaviest daily rainfall	810
Heaviest daily snowfall	503
Deepest snow cover	319

Records on 9 December 2009 by timescale: all-time 23, monthly 149, daily 2,270.

How Much Records Were Beaten By

2,054 broken records

Margins by which the 2,054 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 813.0. Ties are not counted.

Top 20 by Significance

9 December 2009

Top 20 records on 9 December 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 December 2009	Zumbrota, US	daily snowfall	27.9 cm (11.0 in)	19.5 cm (7.7 in)	106 years	79 of 100 (Major)
9 December 2009	Fremont, US	daily snowfall	27.9 cm (11.0 in)	20.3 cm (8.0 in)	90 years	77 of 100 (Major)
9 December 2009	New London, US	daily rain	41.9 mm (1.6 in)	22.6 mm (0.9 in)	91 years	72 of 100 (Major)
9 December 2009	Gallatin 1W, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	92 years	71 of 100 (Major)
9 December 2009	Dodgeville Wwtp, US	daily snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	102 years	71 of 100 (Major)
9 December 2009	Alpharetta 4 SSW, US	daily rain	48.0 mm (1.9 in)	37.8 mm (1.5 in)	108 years	68 of 100 (Major)
9 December 2009	Atlantic 1 NE, US	monthly rain	55.9 mm (2.2 in)	24.1 mm (0.9 in)	26 years	68 of 100 (Major)
9 December 2009	Audubon, US	all-time snowfall	40.6 cm (16.0 in)	5.0 cm (2.0 in)	86 years	68 of 100 (Major)
9 December 2009	David City 4E, US	daily snowfall	19.1 cm (7.5 in)	14.0 cm (5.5 in)	92 years	68 of 100 (Major)
9 December 2009	Faribault, US	daily snowfall	26.7 cm (10.5 in)	16.5 cm (6.5 in)	78 years	67 of 100 (Major)
9 December 2009	Knoxville, US	daily snowfall	35.6 cm (14.0 in)	25.4 cm (10.0 in)	56 years	66 of 100 (Major)
9 December 2009	Beloit, US	daily snow depth	30.5 cm (12.0 in)	17.8 cm (7.0 in)	90 years	65 of 100 (Major)
9 December 2009	Lebanon, US	monthly snow depth	43.2 cm (17.0 in)	17.8 cm (7.0 in)	47 years	65 of 100 (Major)
9 December 2009	Lincoln 1 SE, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	67 years	65 of 100 (Major)
9 December 2009	Mason City, US	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	90 years	65 of 100 (Major)
9 December 2009	Plymouth Wwtp, US	daily snowfall	30.5 cm (12.0 in)	19.1 cm (7.5 in)	55 years	65 of 100 (Major)
9 December 2009	Jefferson, US	monthly snowfall	25.9 cm (10.2 in)	5.6 cm (2.2 in)	115 years	64 of 100 (Major)
9 December 2009	Knoxville, US	daily snow depth	48.3 cm (19.0 in)	25.4 cm (10.0 in)	75 years	64 of 100 (Major)
9 December 2009	Logan 1 WNW, US	daily snowfall	21.6 cm (8.5 in)	11.4 cm (4.5 in)	90 years	64 of 100 (Major)
9 December 2009	Grundy Ctr, US	daily snowfall	22.9 cm (9.0 in)	14.0 cm (5.5 in)	78 years	63 of 100 (Major)

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

1796 to 2009

Records set or tied on this calendar date in each year from 1796 to 2009. 2009 had 2,442 records.

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

Records on 12-09 in each year
Year	Records
1796	1
1820	1
1825	3
1831	1
1844	1
1856	1
1860	1
1862	1
1867	2
1868	1
1869	1
1871	3
1872	1
1873	2
1876	2
1878	4
1879	9
1880	1
1882	3
1883	1
1885	2
1886	2
1887	1
1889	1
1891	3
1893	1
1894	1
1895	3
1896	1
1897	4
1898	3
1899	5
1900	1
1901	4
1902	18
1903	7
1904	2
1905	9
1906	15
1907	28
1908	5
1909	18
1910	36
1911	31
1912	18
1913	37
1914	57
1915	139
1916	366
1917	106
1918	40
1919	58
1920	221
1921	58
1922	311
1923	203
1924	164
1925	93
1926	113
1927	356
1928	110
1929	192
1930	211
1931	434
1932	339
1933	250
1934	364
1935	263
1936	143
1937	348
1938	329
1939	1,030
1940	251
1941	144
1942	370
1943	496
1944	327
1945	178
1946	1,308
1947	303
1948	278
1949	299
1950	382
1951	849
1952	553
1953	347
1954	226
1955	352
1956	672
1957	565
1958	678
1959	217
1960	426
1961	818
1962	377
1963	642
1964	547
1965	706
1966	968
1967	639
1968	482
1969	347
1970	987
1971	655
1972	1,776
1973	679
1974	629
1975	668
1976	868
1977	1,548
1978	2,060
1979	693
1980	760
1981	748
1982	589
1983	664
1984	588
1985	1,074
1986	658
1987	1,007
1988	939
1989	1,270
1990	844
1991	878
1992	791
1993	912
1994	1,071
1995	1,247
1996	946
1997	1,214
1998	769
1999	774
2000	920
2001	505
2002	1,052
2003	824
2004	1,108
2005	1,714
2006	1,718
2007	1,124
2008	1,052
2009	2,442
2010	1,726
2011	496
2012	753
2013	1,018
2014	510
2015	1,054
2016	679
2017	715
2018	626
2019	614
2020	571
2021	674
2022	666
2023	907
2024	422
2025	1,602

Download the Data

Data for records on 2009-12-09: 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 200	2,034
200 to 400	19
400 to 600	0
600 to 800	0
800 to 1000	1