Weather Records on 9 December 2020

571 weather records were set or tied worldwide on 9 December 2020. Highest significance: Udialla, AU.

Key Facts for 9 December 2020

On 9 December 2020, 571 weather records were set or tied at long-record stations worldwide.
457 were record highs and 54 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 20 monthly and 551 daily.
Udialla set a daily record precipitation of 82.0 mm (3.2 in) on 9 December 2020.
Across 157 earlier years (1796 to 2025) the same calendar date averaged 475 records.

Record Map

571 stations

571 station records on 9 December 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 December 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Udialla	Australia	Record daily precipitation	82.0 mm (3.2 in)	63 of 100 (Major)
Graz	Austria	Record daily precipitation	32.6 mm (1.3 in)	57 of 100 (Notable)
Aliwal North	South Africa	Record daily precipitation	36.1 mm (1.4 in)	56 of 100 (Notable)
Yuin	Australia	Record daily precipitation	25.6 mm (1.0 in)	55 of 100 (Notable)
Cygnet Bay	Australia	Record daily precipitation	165.2 mm (6.5 in)	52 of 100 (Notable)
Woolgorong	Australia	Record daily precipitation	26.2 mm (1.0 in)	51 of 100 (Notable)
Upington Agr.	South Africa	Record daily precipitation	29.0 mm (1.1 in)	47 of 100 (Notable)
Avon Park 2 W	United States	Record low maximum temperature	12.8 C (55.0 F)	46 of 100 (Notable)
Naha	Japan	Record daily precipitation	71.9 mm (2.8 in)	43 of 100 (Notable)
Watsonville Wtr Wks	United States	Record high maximum temperature	26.7 C (80.1 F)	43 of 100 (Notable)
Academy 2NE	United States	Record high minimum temperature	2.2 C (36.0 F)	43 of 100 (Notable)
Selby	United States	Record high maximum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Country Downs	Australia	Record daily precipitation	103.4 mm (4.1 in)	40 of 100 (Notable)
Millstream	Australia	Record daily precipitation	28.6 mm (1.1 in)	40 of 100 (Notable)
Dubrovnik	Croatia	Record daily precipitation	62.7 mm (2.5 in)	40 of 100 (Notable)
Lynch	United States	Record high minimum temperature	-1.7 C (28.9 F)	40 of 100 (Notable)
Derby Aero	Australia	Record daily precipitation	74.2 mm (2.9 in)	38 of 100 (Notable)
Valentine	United States	Record high maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Auburn 5 ESE	United States	Record high maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Scofield Dam	United States	Record high maximum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Kumejima	Japan	Record daily precipitation	50.0 mm (2.0 in)	37 of 100 (Notable)
Northdale	United States	Record high maximum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Murdo	United States	Record high minimum temperature	5.0 C (41.0 F)	37 of 100 (Notable)
Dubois	United States	Record high maximum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Concrete Ppl Fish STN	United States	Record high minimum temperature	7.2 C (45.0 F)	35 of 100 (Notable)
Cygnet Bay	Australia	Record low maximum temperature	26.5 C (79.7 F)	34 of 100 (Routine)
Gravette	United States	Record high maximum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Santa Cruz	United States	Record high maximum temperature	27.8 C (82.0 F)	34 of 100 (Routine)
Ft Madison	United States	Record high maximum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Mystic Lake	United States	Record high minimum temperature	6.7 C (44.1 F)	34 of 100 (Routine)
Newell	United States	Record high maximum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Sheridan Fld STN	United States	Record high maximum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Concordia ASOS	United States	Record high maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Minatare Dam (Usbr)	United States	Record high maximum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Overton	United States	Record high maximum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Ft Worth Meacham Fld	United States	Record high maximum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Grand Is Cntrl NE Rgnl AP	United States	Record high minimum temperature	2.2 C (36.0 F)	33 of 100 (Routine)
Cimbaj	Uzbekistan	Record low minimum temperature	-17.5 C (0.5 F)	33 of 100 (Routine)
Clearmont 5 SW	United States	Record high maximum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Kansas City Dwtn AP	United States	Record high maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Sioux Falls	United States	Record high minimum temperature	1.7 C (35.1 F)	32 of 100 (Routine)
Pohnpei WSO	Federated States of Micronesia	Record daily precipitation	129.0 mm (5.1 in)	31 of 100 (Routine)
Kaycee	United States	Record high maximum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Stewart Mtn Dam	United States	Record high minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
Huntley Exp STN	United States	Record high maximum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Weston 1 E	United States	Record high maximum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Kirksville Rgnl AP	United States	Record high maximum temperature	18.9 C (66.0 F)	30 of 100 (Routine)
Nita Downs	Australia	Record daily precipitation	58.0 mm (2.3 in)	29 of 100 (Routine)
Boden	Sweden	Record high minimum temperature	0.0 C (32.0 F)	29 of 100 (Routine)
Richmond	United States	Record high maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Yuma	United States	Record high maximum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Cambridge	United States	Record high maximum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Rosalia	United States	Record high maximum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Ainsworth	United States	Record high maximum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Broken Bow 2 W	United States	Record high maximum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Mullen 3S	United States	Record high minimum temperature	0.6 C (33.1 F)	28 of 100 (Routine)
Orlando Sanford AP	United States	Record low minimum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Rockford Gtr Rockford AP	United States	Record high maximum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Birni N'Konni	Niger	Record high maximum temperature	39.0 C (102.2 F)	27 of 100 (Routine)
Usugli	Russia	Record high minimum temperature	-21.0 C (-5.8 F)	27 of 100 (Routine)

Counts by Type and Timescale

571 records

Records set or tied on 9 December 2020 by type: Highest daily maximum 358, Lowest daily maximum 18, Highest daily minimum 99, Lowest daily minimum 36, Heaviest daily rainfall 58, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 9 December 2020 by type
Record type	Records
Highest daily maximum	358
Lowest daily maximum	18
Highest daily minimum	99
Lowest daily minimum	36
Heaviest daily rainfall	58
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 9 December 2020 by timescale: all-time 0, monthly 20, daily 551.

How Much Records Were Beaten By

432 broken records

Margins by which the 432 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 151.8. Ties are not counted.

Top 20 by Significance

9 December 2020

Top 20 records on 9 December 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 December 2020	Udialla, AU	daily rain	82.0 mm (3.2 in)	72.6 mm (2.9 in)	49 years	63 of 100 (Major)
9 December 2020	Graz, AT	daily rain	32.6 mm (1.3 in)	13.7 mm (0.5 in)	74 years	57 of 100 (Notable)
9 December 2020	Aliwal North, ZA	daily rain	36.1 mm (1.4 in)	19.1 mm (0.8 in)	99 years	56 of 100 (Notable)
9 December 2020	Yuin, AU	daily rain	25.6 mm (1.0 in)	23.8 mm (0.9 in)	79 years	55 of 100 (Notable)
9 December 2020	Cygnet Bay, AU	daily rain	165.2 mm (6.5 in)	151.8 mm (6.0 in)	25 years	52 of 100 (Notable)
9 December 2020	Woolgorong, AU	monthly rain	26.2 mm (1.0 in)	0.8 mm (0.03 in)	106 years	51 of 100 (Notable)
9 December 2020	Upington Agr., ZA	daily rain	29.0 mm (1.1 in)	17.0 mm (0.7 in)	63 years	47 of 100 (Notable)
9 December 2020	Avon Park 2 W, US	daily low max	12.8 C (55.0 F)	2.8 C (5.0 F)	105 years	46 of 100 (Notable)
9 December 2020	Naha, JP	daily rain	71.9 mm (2.8 in)	40.9 mm (1.6 in)	42 years	43 of 100 (Notable)
9 December 2020	Watsonville Wtr Wks, US	daily high max	26.7 C (80.1 F)	1.1 C (2.0 F)	107 years	43 of 100 (Notable)
9 December 2020	Academy 2NE, US	daily high min	2.2 C (36.0 F)	2.2 C (4.0 F)	102 years	43 of 100 (Notable)
9 December 2020	Selby, US	daily high max	12.8 C (55.0 F)	1.1 C (2.0 F)	108 years	41 of 100 (Notable)
9 December 2020	Country Downs, AU	daily rain	103.4 mm (4.1 in)	86.4 mm (3.4 in)	13 years	40 of 100 (Notable)
9 December 2020	Millstream, AU	daily rain	28.6 mm (1.1 in)	0.2 mm (0.01 in)	112 years	40 of 100 (Notable)
9 December 2020	Dubrovnik, HR	daily rain	62.7 mm (2.5 in)	34.4 mm (1.4 in)	28 years	40 of 100 (Notable)
9 December 2020	Lynch, US	daily high min	-1.7 C (28.9 F)	0.5 C (0.9 F)	120 years	40 of 100 (Notable)
9 December 2020	Derby Aero, AU	daily rain	74.2 mm (2.9 in)	51.0 mm (2.0 in)	13 years	38 of 100 (Notable)
9 December 2020	Valentine, US	daily high max	19.4 C (66.9 F)	3.8 C (6.8 F)	81 years	38 of 100 (Notable)
9 December 2020	Auburn 5 ESE, US	daily high max	18.9 C (66.0 F)	0.6 C (1.1 F)	95 years	38 of 100 (Notable)
9 December 2020	Scofield Dam, US	monthly high max	12.2 C (54.0 F)	1.6 C (2.9 F)	61 years	38 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

1796 to 2020

Records set or tied on this calendar date in each year from 1796 to 2020. 2020 had 571 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 2020-12-09: 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 20	420
20 to 40	6
40 to 60	3
60 to 80	1
80 to 100	1
100 to 120	0
120 to 140	0
140 to 160	1