Weather Records on 17 December 2011

430 weather records were set or tied worldwide on 17 December 2011. Highest significance: Mannum Council Depot, AU.

Key Facts for 17 December 2011

On 17 December 2011, 430 weather records were set or tied at long-record stations worldwide.
164 were record highs and 80 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 417 daily.
Mannum Council Depot set a daily record precipitation of 60.0 mm (2.4 in) on 17 December 2011.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 463 records.

Record Map

430 stations

430 station records on 17 December 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mannum Council Depot	Australia	Record daily precipitation	60.0 mm (2.4 in)	70 of 100 (Major)
Mossman South Alchera Drive	Australia	Record daily precipitation	182.0 mm (7.2 in)	63 of 100 (Major)
Low Isles Lighthouse	Australia	Record daily precipitation	170.0 mm (6.7 in)	58 of 100 (Notable)
Whyanbeel Valley	Australia	Record daily precipitation	224.2 mm (8.8 in)	57 of 100 (Notable)
Brinkworth (Bungaree)	Australia	Record daily precipitation	82.0 mm (3.2 in)	55 of 100 (Notable)
Nullarbor	Australia	Record daily precipitation	31.6 mm (1.2 in)	54 of 100 (Notable)
Watervale	Australia	Record daily precipitation	40.4 mm (1.6 in)	54 of 100 (Notable)
Mossman Central Mill	Australia	Record daily precipitation	182.0 mm (7.2 in)	54 of 100 (Notable)
Crystal Brook	Australia	Record daily precipitation	36.0 mm (1.4 in)	53 of 100 (Notable)
Waikerie (Eremophila Park)	Australia	Record daily precipitation	62.0 mm (2.4 in)	53 of 100 (Notable)
Martinez de la Torre (Dge)	Mexico	Record daily precipitation	86.6 mm (3.4 in)	53 of 100 (Notable)
Mount Isa Mine	Australia	Record daily precipitation	98.8 mm (3.9 in)	52 of 100 (Notable)
Libertad	Mexico	Record daily precipitation	99.3 mm (3.9 in)	51 of 100 (Notable)
Uzhhorod	Ukraine	Record daily precipitation	53.1 mm (2.1 in)	51 of 100 (Notable)
Dynevor Downs	Australia	Record daily precipitation	48.0 mm (1.9 in)	49 of 100 (Notable)
Huayacocotla	Mexico	Record daily precipitation	32.8 mm (1.3 in)	48 of 100 (Notable)
Ft Davis	United States	Record low maximum temperature	7.2 C (45.0 F)	46 of 100 (Notable)
Spalding	Australia	Record daily precipitation	74.4 mm (2.9 in)	45 of 100 (Notable)
Gnesta	Sweden	Record daily precipitation	25.8 mm (1.0 in)	45 of 100 (Notable)
Pamplona	Spain	Record daily precipitation	37.4 mm (1.5 in)	44 of 100 (Notable)
Bullita	Australia	Record daily precipitation	65.9 mm (2.6 in)	43 of 100 (Notable)
Yongala	Australia	Record daily precipitation	37.2 mm (1.5 in)	42 of 100 (Notable)
Darlington Wwtp	United States	Record daily snowfall	10.2 cm (4.0 in)	42 of 100 (Notable)
Mount Isa Aero	Australia	Record daily precipitation	73.2 mm (2.9 in)	41 of 100 (Notable)
Varazdin	Croatia	Record daily precipitation	33.3 mm (1.3 in)	39 of 100 (Notable)
Pamplona (Observatorio)	Spain	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Lizard Island Resort	Australia	Record daily precipitation	116.0 mm (4.6 in)	37 of 100 (Notable)
Auvergne	Australia	Record daily precipitation	39.0 mm (1.5 in)	35 of 100 (Notable)
Terowie	Australia	Record daily precipitation	70.0 mm (2.8 in)	35 of 100 (Notable)
Palmer Job Corps	United States	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Vasilevici	Belarus	Record high minimum temperature	2.8 C (37.0 F)	32 of 100 (Routine)
Nagykanizsa	Hungary	Record daily precipitation	32.3 mm (1.3 in)	32 of 100 (Routine)
Shenkursk	Russia	Record high minimum temperature	0.6 C (33.1 F)	32 of 100 (Routine)
Lightning Ridge Post Office	Australia	Record daily precipitation	38.5 mm (1.5 in)	31 of 100 (Routine)
Miranda Downs Station	Australia	Record daily precipitation	54.0 mm (2.1 in)	30 of 100 (Routine)
Brjansk	Russia	Record high minimum temperature	1.9 C (35.4 F)	30 of 100 (Routine)
Daintree Village	Australia	Record daily precipitation	109.0 mm (4.3 in)	29 of 100 (Routine)
Ixhuatlan del Cafe	Mexico	Record daily precipitation	26.9 mm (1.1 in)	29 of 100 (Routine)
Graton	United States	Record high maximum temperature	22.2 C (72.0 F)	29 of 100 (Routine)
Pichucalco (Smn)	Mexico	Record low minimum temperature	7.8 C (46.0 F)	28 of 100 (Routine)
Presa Guadalupe	Mexico	Record low maximum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Tehuantepec	Mexico	Record low minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Shenkursk	Russia	Record high maximum temperature	3.0 C (37.4 F)	28 of 100 (Routine)
Bilbao Aeropuerto	Spain	Record daily precipitation	36.3 mm (1.4 in)	28 of 100 (Routine)
Daintree Tea	Australia	Record daily precipitation	152.0 mm (6.0 in)	27 of 100 (Routine)
Saint Paul Is AP	United States	Record daily snowfall	6.4 cm (2.5 in)	27 of 100 (Routine)
Moola Bulla	Australia	Record daily precipitation	55.0 mm (2.2 in)	26 of 100 (Routine)
Mim Rifle Creek	Australia	Record daily precipitation	84.0 mm (3.3 in)	26 of 100 (Routine)
Vitebsk	Belarus	Record high maximum temperature	5.8 C (42.4 F)	26 of 100 (Routine)
Chuuk WSO AP	Federated States of Micronesia	Record high minimum temperature	27.2 C (81.0 F)	26 of 100 (Routine)
Gustavsberg	Sweden	Record daily precipitation	26.0 mm (1.0 in)	26 of 100 (Routine)
Monte Vista 2W	United States	Record low minimum temperature	-27.8 C (-18.0 F)	26 of 100 (Routine)
Risinge	Sweden	Record daily precipitation	25.8 mm (1.0 in)	25 of 100 (Routine)
Sophie Downs	Australia	Record daily precipitation	43.0 mm (1.7 in)	24 of 100 (Routine)
Kotlas	Russia	Record high minimum temperature	0.3 C (32.5 F)	24 of 100 (Routine)
Partoun	United States	Record low maximum temperature	-3.9 C (25.0 F)	24 of 100 (Routine)
Douglas (Bisbee) Intl AP	United States	Record high minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Proa Station	Australia	Record daily precipitation	43.0 mm (1.7 in)	23 of 100 (Routine)
Arellano	Mexico	Record high maximum temperature	28.9 C (84.0 F)	23 of 100 (Routine)
Misantla	Mexico	Record daily precipitation	70.9 mm (2.8 in)	23 of 100 (Routine)

Counts by Type and Timescale

430 records

Records set or tied on 17 December 2011 by type: Highest daily maximum 75, Lowest daily maximum 52, Highest daily minimum 89, Lowest daily minimum 28, Heaviest daily rainfall 178, Heaviest daily snowfall 3, Deepest snow cover 5.

Records on 17 December 2011 by type
Record type	Records
Highest daily maximum	75
Lowest daily maximum	52
Highest daily minimum	89
Lowest daily minimum	28
Heaviest daily rainfall	178
Heaviest daily snowfall	3
Deepest snow cover	5

Records on 17 December 2011 by timescale: all-time 0, monthly 13, daily 417.

How Much Records Were Beaten By

341 broken records

Margins by which the 341 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 160.0. Ties are not counted.

Top 20 by Significance

17 December 2011

Top 20 records on 17 December 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 2011	Mannum Council Depot, AU	daily rain	60.0 mm (2.4 in)	30.5 mm (1.2 in)	108 years	70 of 100 (Major)
17 December 2011	Mossman South Alchera Drive, AU	daily rain	182.0 mm (7.2 in)	77.9 mm (3.1 in)	68 years	63 of 100 (Major)
17 December 2011	Low Isles Lighthouse, AU	daily rain	170.0 mm (6.7 in)	74.7 mm (2.9 in)	68 years	58 of 100 (Notable)
17 December 2011	Whyanbeel Valley, AU	daily rain	224.2 mm (8.8 in)	90.6 mm (3.6 in)	68 years	57 of 100 (Notable)
17 December 2011	Brinkworth (Bungaree), AU	daily rain	82.0 mm (3.2 in)	54.4 mm (2.1 in)	18 years	55 of 100 (Notable)
17 December 2011	Nullarbor, AU	daily rain	31.6 mm (1.2 in)	27.6 mm (1.1 in)	16 years	54 of 100 (Notable)
17 December 2011	Watervale, AU	daily rain	40.4 mm (1.6 in)	13.7 mm (0.5 in)	104 years	54 of 100 (Notable)
17 December 2011	Mossman Central Mill, AU	daily rain	182.0 mm (7.2 in)	72.0 mm (2.8 in)	61 years	54 of 100 (Notable)
17 December 2011	Crystal Brook, AU	daily rain	36.0 mm (1.4 in)	10.6 mm (0.4 in)	108 years	53 of 100 (Notable)
17 December 2011	Waikerie (Eremophila Park), AU	daily rain	62.0 mm (2.4 in)	59.2 mm (2.3 in)	32 years	53 of 100 (Notable)
17 December 2011	Martinez de la Torre (Dge), MX	daily rain	86.6 mm (3.4 in)	57.4 mm (2.3 in)	28 years	53 of 100 (Notable)
17 December 2011	Mount Isa Mine, AU	daily rain	98.8 mm (3.9 in)	64.2 mm (2.5 in)	14 years	52 of 100 (Notable)
17 December 2011	Libertad, MX	daily rain	99.3 mm (3.9 in)	68.1 mm (2.7 in)	28 years	51 of 100 (Notable)
17 December 2011	Uzhhorod, UA	monthly rain	53.1 mm (2.1 in)	14.5 mm (0.6 in)	23 years	51 of 100 (Notable)
17 December 2011	Dynevor Downs, AU	daily rain	48.0 mm (1.9 in)	18.8 mm (0.7 in)	80 years	49 of 100 (Notable)
17 December 2011	Huayacocotla, MX	daily rain	32.8 mm (1.3 in)	25.2 mm (1.0 in)	40 years	48 of 100 (Notable)
17 December 2011	Ft Davis, US	daily low max	7.2 C (45.0 F)	3.4 C (6.1 F)	105 years	46 of 100 (Notable)
17 December 2011	Spalding, AU	monthly rain	74.4 mm (2.9 in)	21.4 mm (0.8 in)	1 year	45 of 100 (Notable)
17 December 2011	Gnesta, SE	daily rain	25.8 mm (1.0 in)	11.5 mm (0.5 in)	44 years	45 of 100 (Notable)
17 December 2011	Pamplona, ES	daily rain	37.4 mm (1.5 in)	24.3 mm (1.0 in)	28 years	44 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 2011

Records set or tied on this calendar date in each year from 1793 to 2011. 2011 had 430 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 2011-12-17: 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 2026-10-16 (16 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 20	312
20 to 40	12
40 to 60	7
60 to 80	8
80 to 100	1
100 to 120	0
120 to 140	0
140 to 160	1