Weather Records on 17 December 2009

926 weather records were set or tied worldwide on 17 December 2009. Highest significance: Raymondville, US.

Key Facts for 17 December 2009

On 17 December 2009, 926 weather records were set or tied at long-record stations worldwide.
253 were record highs and 335 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 38 monthly and 884 daily.
Raymondville set a daily record precipitation of 53.8 mm (2.1 in) on 17 December 2009.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 460 records.

Record Map

926 stations

926 station records on 17 December 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Raymondville	United States	Record daily precipitation	53.8 mm (2.1 in)	63 of 100 (Major)
Weslaco	United States	Record daily precipitation	41.7 mm (1.6 in)	60 of 100 (Major)
Armadillo de Los Infante	Mexico	Record daily precipitation	27.9 mm (1.1 in)	54 of 100 (Notable)
Elk Rvr	United States	Record daily precipitation	54.9 mm (2.2 in)	54 of 100 (Notable)
Theda	Australia	Record daily precipitation	141.0 mm (5.6 in)	53 of 100 (Notable)
Niigata	Japan	Record daily precipitation	57.9 mm (2.3 in)	52 of 100 (Notable)
San Nicolas Tolentino	Mexico	Record daily precipitation	31.8 mm (1.3 in)	50 of 100 (Notable)
Table Rock 4N	United States	Record snow depth	30.5 cm (12.0 in)	50 of 100 (Notable)
Drachten	Netherlands	Record snow depth	27.0 cm (10.6 in)	49 of 100 (Notable)
Knoxville	United States	Record snow depth	40.6 cm (16.0 in)	49 of 100 (Notable)
Port Mansfield	United States	Record daily precipitation	71.1 mm (2.8 in)	49 of 100 (Notable)
Pucte	Mexico	Record daily precipitation	50.8 mm (2.0 in)	48 of 100 (Notable)
Waterloo	Australia	Record daily precipitation	59.0 mm (2.3 in)	47 of 100 (Notable)
Eernewoude	Netherlands	Record snow depth	22.0 cm (8.7 in)	46 of 100 (Notable)
Joure	Netherlands	Record snow depth	22.0 cm (8.7 in)	46 of 100 (Notable)
Indore	India	Record daily precipitation	53.1 mm (2.1 in)	45 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	13.2 C (55.8 F)	44 of 100 (Notable)
Lugansk	Ukraine	Record daily precipitation	29.3 mm (1.2 in)	44 of 100 (Notable)
Gabo Island Lighthouse	Australia	Record high maximum temperature	33.3 C (91.9 F)	42 of 100 (Notable)
Roden	Netherlands	Record snow depth	24.0 cm (9.4 in)	42 of 100 (Notable)
Veenhuizen (D)	Netherlands	Record snow depth	20.0 cm (7.9 in)	42 of 100 (Notable)
Oombulgurri	Australia	Record daily precipitation	51.6 mm (2.0 in)	41 of 100 (Notable)
Alvaro Obregon	Mexico	Record daily precipitation	85.9 mm (3.4 in)	41 of 100 (Notable)
Austwell	United States	Record daily precipitation	35.3 mm (1.4 in)	41 of 100 (Notable)
Iaeger 1SW	United States	Record snow depth	35.6 cm (14.0 in)	41 of 100 (Notable)
Green Rvr	United States	Record high minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Masvingo	Zimbabwe	Record high maximum temperature	39.2 C (102.6 F)	41 of 100 (Notable)
Bhopal/Bairagarh	India	Record daily precipitation	35.1 mm (1.4 in)	40 of 100 (Notable)
Eelde-1	Netherlands	Record snow depth	20.0 cm (7.9 in)	40 of 100 (Notable)
Mount Hart Station	Australia	Record daily precipitation	140.0 mm (5.5 in)	38 of 100 (Notable)
San Miguel Chimalapa	Mexico	Record low minimum temperature	2.8 C (37.0 F)	38 of 100 (Notable)
Marum	Netherlands	Record snow depth	30.0 cm (11.8 in)	37 of 100 (Notable)
Falfurrias	United States	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Ticuman	Mexico	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Onnen	Netherlands	Record snow depth	19.0 cm (7.5 in)	36 of 100 (Notable)
Boulder	United States	Record snow depth	40.6 cm (16.0 in)	36 of 100 (Notable)
Haines AP	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Sneek	Netherlands	Record snow depth	18.0 cm (7.1 in)	35 of 100 (Notable)
Kon-Kolodez	Russia	Record low maximum temperature	-20.7 C (-5.3 F)	35 of 100 (Notable)
Aksakovo	Russia	Record low maximum temperature	-31.7 C (-25.1 F)	35 of 100 (Notable)
Cresco 1 NE	United States	Record snow depth	35.6 cm (14.0 in)	35 of 100 (Notable)
Clay Ctr	United States	Record snow depth	20.3 cm (8.0 in)	35 of 100 (Notable)
Wymore	United States	Record snow depth	22.9 cm (9.0 in)	35 of 100 (Notable)
Halls Creek Airport	Australia	Record low maximum temperature	29.9 C (85.8 F)	34 of 100 (Routine)
Napier Downs	Australia	Record daily precipitation	61.0 mm (2.4 in)	34 of 100 (Routine)
Blina	Australia	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Salmon Gums Res.STN.	Australia	Record low minimum temperature	3.3 C (37.9 F)	33 of 100 (Routine)
Sappemeer	Netherlands	Record snow depth	13.0 cm (5.1 in)	33 of 100 (Routine)
Juana Diaz Camp	Puerto Rico [United States]	Record daily precipitation	38.6 mm (1.5 in)	33 of 100 (Routine)
Ufa	Russia	Record low maximum temperature	-31.0 C (-23.8 F)	33 of 100 (Routine)
Urjupinsk	Russia	Record low maximum temperature	-20.3 C (-4.5 F)	33 of 100 (Routine)
Lebanon	United States	Record snow depth	20.3 cm (8.0 in)	33 of 100 (Routine)
Kaneohe Bay MCAS	United States	Record high maximum temperature	28.9 C (84.0 F)	33 of 100 (Routine)
Palenque (Dge)	Mexico	Record daily precipitation	99.8 mm (3.9 in)	32 of 100 (Routine)
Ciudad Serdan (Smn)	Mexico	Record high minimum temperature	7.8 C (46.0 F)	32 of 100 (Routine)
Makkum	Netherlands	Record snow depth	17.0 cm (6.7 in)	32 of 100 (Routine)
Zlatoust	Russia	Record low maximum temperature	-28.0 C (-18.4 F)	32 of 100 (Routine)
Skovorodino	Russia	Record high minimum temperature	-19.0 C (-2.2 F)	32 of 100 (Routine)
Kursk	Russia	Record low maximum temperature	-18.6 C (-1.5 F)	32 of 100 (Routine)
Voronez	Russia	Record low maximum temperature	-19.1 C (-2.4 F)	32 of 100 (Routine)

Counts by Type and Timescale

926 records

Records set or tied on 17 December 2009 by type: Highest daily maximum 108, Lowest daily maximum 216, Highest daily minimum 145, Lowest daily minimum 119, Heaviest daily rainfall 186, Heaviest daily snowfall 3, Deepest snow cover 149.

Records on 17 December 2009 by type
Record type	Records
Highest daily maximum	108
Lowest daily maximum	216
Highest daily minimum	145
Lowest daily minimum	119
Heaviest daily rainfall	186
Heaviest daily snowfall	3
Deepest snow cover	149

Records on 17 December 2009 by timescale: all-time 4, monthly 38, daily 884.

How Much Records Were Beaten By

759 broken records

Margins by which the 759 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

17 December 2009

Top 20 records on 17 December 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 2009	Raymondville, US	daily rain	53.8 mm (2.1 in)	23.3 mm (0.9 in)	83 years	63 of 100 (Major)
17 December 2009	Weslaco, US	daily rain	41.7 mm (1.6 in)	32.0 mm (1.3 in)	44 years	60 of 100 (Major)
17 December 2009	Armadillo de Los Infante, MX	daily rain	27.9 mm (1.1 in)	26.6 mm (1.0 in)	34 years	54 of 100 (Notable)
17 December 2009	Elk Rvr, US	daily rain	54.9 mm (2.2 in)	34.6 mm (1.4 in)	46 years	54 of 100 (Notable)
17 December 2009	Theda, AU	daily rain	141.0 mm (5.6 in)	103.0 mm (4.1 in)	32 years	53 of 100 (Notable)
17 December 2009	Niigata, JP	daily rain	57.9 mm (2.3 in)	31.1 mm (1.2 in)	48 years	52 of 100 (Notable)
17 December 2009	San Nicolas Tolentino, MX	daily rain	31.8 mm (1.3 in)	27.0 mm (1.1 in)	30 years	50 of 100 (Notable)
17 December 2009	Table Rock 4N, US	daily snow depth	30.5 cm (12.0 in)	10.2 cm (4.0 in)	68 years	50 of 100 (Notable)
17 December 2009	Drachten, NL	all-time snow depth	27.0 cm (10.6 in)	4.0 cm (1.6 in)	53 years	49 of 100 (Notable)
17 December 2009	Knoxville, US	daily snow depth	40.6 cm (16.0 in)	20.3 cm (8.0 in)	46 years	49 of 100 (Notable)
17 December 2009	Port Mansfield, US	daily rain	71.1 mm (2.8 in)	46.5 mm (1.8 in)	15 years	49 of 100 (Notable)
17 December 2009	Pucte, MX	daily rain	50.8 mm (2.0 in)	34.8 mm (1.4 in)	18 years	48 of 100 (Notable)
17 December 2009	Waterloo, AU	daily rain	59.0 mm (2.3 in)	22.2 mm (0.9 in)	86 years	47 of 100 (Notable)
17 December 2009	Eernewoude, NL	monthly snow depth	22.0 cm (8.7 in)	7.0 cm (2.8 in)	27 years	46 of 100 (Notable)
17 December 2009	Joure, NL	monthly snow depth	22.0 cm (8.7 in)	7.0 cm (2.8 in)	42 years	46 of 100 (Notable)
17 December 2009	Indore, IN	daily rain	53.1 mm (2.1 in)	42.2 mm (1.7 in)	35 years	45 of 100 (Notable)
17 December 2009	Nemours (Ghazaouet), DZ	daily high min	13.2 C (55.8 F)	1.2 C (2.2 F)	115 years	44 of 100 (Notable)
17 December 2009	Lugansk, UA	monthly rain	29.3 mm (1.2 in)	4.9 mm (0.19 in)	35 years	44 of 100 (Notable)
17 December 2009	Gabo Island Lighthouse, AU	daily high max	33.3 C (91.9 F)	6.6 C (11.9 F)	39 years	42 of 100 (Notable)
17 December 2009	Roden, NL	all-time snow depth	24.0 cm (9.4 in)	1.0 cm (0.4 in)	50 years	42 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 2009

Records set or tied on this calendar date in each year from 1793 to 2009. 2009 had 926 records.

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

Records on 12-17 in each year
Year	Records
1793	2
1796	1
1806	2
1808	2
1814	1
1815	1
1839	1
1845	1
1846	4
1847	1
1848	1
1859	3
1866	1
1867	1
1868	1
1869	2
1873	2
1876	3
1877	2
1878	1
1879	2
1881	2
1885	1
1886	1
1888	2
1889	2
1890	4
1892	4
1893	2
1894	4
1895	3
1896	4
1897	4
1898	2
1899	1
1900	6
1901	5
1902	47
1903	2
1904	14
1905	2
1906	17
1907	9
1908	13
1909	5
1910	37
1911	12
1912	15
1913	21
1914	17
1915	31
1916	21
1917	21
1918	21
1919	109
1920	97
1921	94
1922	120
1923	170
1924	505
1925	79
1926	172
1927	143
1928	359
1929	221
1930	362
1931	217
1932	684
1933	710
1934	200
1935	87
1936	504
1937	379
1938	118
1939	1,126
1940	248
1941	261
1942	507
1943	444
1944	189
1945	621
1946	207
1947	258
1948	316
1949	296
1950	294
1951	773
1952	277
1953	283
1954	409
1955	419
1956	448
1957	686
1958	540
1959	548
1960	492
1961	911
1962	676
1963	531
1964	1,239
1965	482
1966	516
1967	1,121
1968	338
1969	238
1970	820
1971	781
1972	601
1973	1,016
1974	390
1975	474
1976	507
1977	1,024
1978	710
1979	951
1980	1,116
1981	1,354
1982	569
1983	1,264
1984	1,618
1985	1,210
1986	743
1987	1,191
1988	481
1989	2,905
1990	866
1991	577
1992	1,461
1993	761
1994	685
1995	956
1996	1,212
1997	1,279
1998	695
1999	901
2000	1,566
2001	1,262
2002	858
2003	751
2004	554
2005	806
2006	1,307
2007	1,100
2008	1,354
2009	926
2010	1,405
2011	430
2012	942
2013	718
2014	370
2015	1,378
2016	1,521
2017	408
2018	498
2019	917
2020	768
2021	908
2022	595
2023	931
2024	560
2025	1,198

Download the Data

Data for records on 2009-12-17: 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 50	725
50 to 100	24
100 to 150	8
150 to 200	1
200 to 250	1