Weather Records on 20 December 2007

986 weather records were set or tied worldwide on 20 December 2007. Highest significance: Vernal, US.

Key Facts for 20 December 2007

On 20 December 2007, 986 weather records were set or tied at long-record stations worldwide.
507 were record highs and 107 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 22 monthly and 963 daily.
Vernal set a daily record snow depth of 30.5 cm (12.0 in) on 20 December 2007.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 464 records.

Record Map

986 stations

986 station records on 20 December 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vernal	United States	Record snow depth	30.5 cm (12.0 in)	64 of 100 (Major)
Afton	United States	Record daily precipitation	51.8 mm (2.0 in)	61 of 100 (Major)
Walwa	Australia	Record daily precipitation	40.2 mm (1.6 in)	53 of 100 (Notable)
Whitton (Conapaira St)	Australia	Record daily precipitation	33.0 mm (1.3 in)	52 of 100 (Notable)
Stanley	United States	Record daily snowfall	19.1 cm (7.5 in)	51 of 100 (Notable)
Ft Duchesne	United States	Record daily snowfall	7.6 cm (3.0 in)	51 of 100 (Notable)
South Comongin	Australia	Record daily precipitation	25.2 mm (1.0 in)	50 of 100 (Notable)
Darlington Point (St Pauls Clo	Australia	Record daily precipitation	31.0 mm (1.2 in)	50 of 100 (Notable)
Juiz de Fora	Brazil	Record daily precipitation	87.1 mm (3.4 in)	49 of 100 (Notable)
Grand Lake Stream	United States	Record snow depth	38.1 cm (15.0 in)	48 of 100 (Notable)
Ft Duchesne	United States	Record snow depth	20.3 cm (8.0 in)	46 of 100 (Notable)
Mount Denison	Australia	Record daily precipitation	58.0 mm (2.3 in)	45 of 100 (Notable)
Batlow Post Office	Australia	Record daily precipitation	25.0 mm (1.0 in)	45 of 100 (Notable)
Millinocket	United States	Record snow depth	61.0 cm (24.0 in)	45 of 100 (Notable)
Calera	Mexico	Record high maximum temperature	38.9 C (102.0 F)	44 of 100 (Notable)
Sundsfjord	Norway	Record daily precipitation	137.3 mm (5.4 in)	44 of 100 (Notable)
Ola	United States	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Leopold Downs	Australia	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Marrar (Brigadoon)	Australia	Record daily precipitation	29.4 mm (1.2 in)	43 of 100 (Notable)
Bowman Dam	United States	Record daily snowfall	25.4 cm (10.0 in)	43 of 100 (Notable)
Culbertson	United States	Record snow depth	25.4 cm (10.0 in)	43 of 100 (Notable)
Alta 1 NNW	United States	Record daily snowfall	17.8 cm (7.0 in)	42 of 100 (Notable)
Mount Barnett	Australia	Record daily precipitation	48.0 mm (1.9 in)	41 of 100 (Notable)
Flora Downs	Australia	Record daily precipitation	60.0 mm (2.4 in)	41 of 100 (Notable)
De Ridder	United States	Record daily precipitation	59.9 mm (2.4 in)	41 of 100 (Notable)
Haugan 1 W	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Snake Rvr	United States	Record daily snowfall	35.6 cm (14.0 in)	41 of 100 (Notable)
Thurlga	Australia	Record daily precipitation	36.0 mm (1.4 in)	40 of 100 (Notable)
Freiburg	Germany	Record low minimum temperature	-10.4 C (13.3 F)	40 of 100 (Notable)
Sulitjelma	Norway	Record daily precipitation	67.8 mm (2.7 in)	40 of 100 (Notable)
Colfax	United States	Record daily precipitation	58.7 mm (2.3 in)	40 of 100 (Notable)
Old Faithful	United States	Record high minimum temperature	-4.4 C (24.1 F)	40 of 100 (Notable)
Yardea	Australia	Record daily precipitation	36.4 mm (1.4 in)	39 of 100 (Notable)
Chazy	United States	Record daily snowfall	11.4 cm (4.5 in)	39 of 100 (Notable)
Ixtlahuacan (Smn)	Mexico	Record high maximum temperature	41.7 C (107.1 F)	38 of 100 (Notable)
Dickson	United States	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Brownsville	United States	Record high maximum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Tumbarumba Post Office	Australia	Record daily precipitation	34.2 mm (1.3 in)	37 of 100 (Notable)
Harnosand	Sweden	Record high minimum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Pine Bluff	United States	Record daily precipitation	37.6 mm (1.5 in)	37 of 100 (Notable)
Wynyard Airport	Australia	Record daily precipitation	34.8 mm (1.4 in)	36 of 100 (Notable)
Chester	United States	Record daily precipitation	32.3 mm (1.3 in)	36 of 100 (Notable)
Howard Prairie Dam	United States	Record daily snowfall	26.7 cm (10.5 in)	36 of 100 (Notable)
Concord ASOS	United States	Record daily snowfall	27.7 cm (10.9 in)	36 of 100 (Notable)
Balmoral (Post Office)	Australia	Record daily precipitation	26.0 mm (1.0 in)	35 of 100 (Notable)
Junsele	Sweden	Record high minimum temperature	3.6 C (38.5 F)	35 of 100 (Notable)
Ft Morgan	United States	Record snow depth	15.2 cm (6.0 in)	35 of 100 (Notable)
Crestview FAA/AP	United States	Record daily precipitation	46.0 mm (1.8 in)	35 of 100 (Notable)
Hay (Epsom Downs)	Australia	Record daily precipitation	30.0 mm (1.2 in)	34 of 100 (Routine)
Parnu	Estonia	Record high maximum temperature	6.5 C (43.7 F)	34 of 100 (Routine)
Altastenberg	Germany	Record high minimum temperature	4.0 C (39.2 F)	34 of 100 (Routine)
Yurecuaro	Mexico	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Arkadelphia 2 N	United States	Record daily precipitation	57.4 mm (2.3 in)	34 of 100 (Routine)
Cody 12SE	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Coimbatore/Peelamed	India	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Real del Monte	Mexico	Record low minimum temperature	-7.2 C (19.0 F)	33 of 100 (Routine)
Cedara	South Africa	Record low minimum temperature	6.6 C (43.9 F)	33 of 100 (Routine)
Palmyra	Syria	Record low minimum temperature	-6.8 C (19.8 F)	33 of 100 (Routine)
Sailes Fire Twr	United States	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Colton 2 N	United States	Record snow depth	45.7 cm (18.0 in)	33 of 100 (Routine)

Counts by Type and Timescale

986 records

Records set or tied on 20 December 2007 by type: Highest daily maximum 316, Lowest daily maximum 47, Highest daily minimum 191, Lowest daily minimum 60, Heaviest daily rainfall 245, Heaviest daily snowfall 42, Deepest snow cover 85.

Records on 20 December 2007 by type
Record type	Records
Highest daily maximum	316
Lowest daily maximum	47
Highest daily minimum	191
Lowest daily minimum	60
Heaviest daily rainfall	245
Heaviest daily snowfall	42
Deepest snow cover	85

Records on 20 December 2007 by timescale: all-time 1, monthly 22, daily 963.

How Much Records Were Beaten By

789 broken records

Margins by which the 789 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 356.0. Ties are not counted.

Top 20 by Significance

20 December 2007

Top 20 records on 20 December 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 2007	Vernal, US	daily snow depth	30.5 cm (12.0 in)	17.8 cm (7.0 in)	101 years	64 of 100 (Major)
20 December 2007	Afton, US	all-time rain	51.8 mm (2.0 in)	8.4 mm (0.33 in)	43 years	61 of 100 (Major)
20 December 2007	Walwa, AU	daily rain	40.2 mm (1.6 in)	24.2 mm (1.0 in)	66 years	53 of 100 (Notable)
20 December 2007	Whitton (Conapaira St), AU	daily rain	33.0 mm (1.3 in)	18.5 mm (0.7 in)	84 years	52 of 100 (Notable)
20 December 2007	Stanley, US	daily snowfall	19.1 cm (7.5 in)	16.6 cm (6.5 in)	32 years	51 of 100 (Notable)
20 December 2007	Ft Duchesne, US	daily snowfall	7.6 cm (3.0 in)	5.6 cm (2.2 in)	100 years	51 of 100 (Notable)
20 December 2007	South Comongin, AU	daily rain	25.2 mm (1.0 in)	16.1 mm (0.6 in)	119 years	50 of 100 (Notable)
20 December 2007	Darlington Point (St Pauls Clo, AU	daily rain	31.0 mm (1.2 in)	17.5 mm (0.7 in)	84 years	50 of 100 (Notable)
20 December 2007	Juiz de Fora, BR	daily rain	87.1 mm (3.4 in)	42.9 mm (1.7 in)	52 years	49 of 100 (Notable)
20 December 2007	Grand Lake Stream, US	daily snow depth	38.1 cm (15.0 in)	35.6 cm (14.0 in)	32 years	48 of 100 (Notable)
20 December 2007	Ft Duchesne, US	daily snow depth	20.3 cm (8.0 in)	5.1 cm (2.0 in)	97 years	46 of 100 (Notable)
20 December 2007	Mount Denison, AU	daily rain	58.0 mm (2.3 in)	50.0 mm (2.0 in)	8 years	45 of 100 (Notable)
20 December 2007	Batlow Post Office, AU	daily rain	25.0 mm (1.0 in)	7.0 mm (0.28 in)	104 years	45 of 100 (Notable)
20 December 2007	Millinocket, US	daily snow depth	61.0 cm (24.0 in)	25.4 cm (10.0 in)	65 years	45 of 100 (Notable)
20 December 2007	Calera, MX	daily high max	38.9 C (102.0 F)	10.0 C (18.0 F)	13 years	44 of 100 (Notable)
20 December 2007	Sundsfjord, NO	daily rain	137.3 mm (5.4 in)	97.6 mm (3.8 in)	0 years	44 of 100 (Notable)
20 December 2007	Ola, US	daily rain	35.6 mm (1.4 in)	11.5 mm (0.5 in)	62 years	44 of 100 (Notable)
20 December 2007	Leopold Downs, AU	daily rain	47.0 mm (1.9 in)	16.5 mm (0.6 in)	76 years	43 of 100 (Notable)
20 December 2007	Marrar (Brigadoon), AU	daily rain	29.4 mm (1.2 in)	24.8 mm (1.0 in)	37 years	43 of 100 (Notable)
20 December 2007	Bowman Dam, US	daily snowfall	25.4 cm (10.0 in)	5.1 cm (2.0 in)	100 years	43 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 2007

Records set or tied on this calendar date in each year from 1793 to 2007. 2007 had 986 records.

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

Records on 12-20 in each year
Year	Records
1793	1
1795	1
1804	1
1805	2
1808	1
1815	1
1828	1
1837	1
1846	1
1855	8
1858	1
1860	1
1866	1
1867	1
1868	1
1869	1
1871	2
1874	3
1875	1
1877	2
1878	1
1879	1
1880	1
1881	1
1882	1
1884	4
1885	1
1886	4
1889	4
1890	2
1891	2
1892	1
1894	2
1895	8
1896	1
1897	4
1898	2
1899	1
1900	7
1901	8
1902	14
1903	17
1904	9
1905	5
1906	5
1907	11
1908	5
1909	22
1910	17
1911	24
1912	27
1913	7
1914	43
1915	18
1916	45
1917	33
1918	18
1919	25
1920	22
1921	101
1922	88
1923	215
1924	332
1925	96
1926	163
1927	200
1928	93
1929	256
1930	67
1931	536
1932	170
1933	492
1934	265
1935	152
1936	416
1937	181
1938	240
1939	308
1940	965
1941	633
1942	817
1943	193
1944	340
1945	430
1946	327
1947	385
1948	345
1949	1,141
1950	758
1951	926
1952	394
1953	385
1954	416
1955	726
1956	471
1957	1,354
1958	382
1959	142
1960	354
1961	369
1962	475
1963	875
1964	499
1965	353
1966	555
1967	1,370
1968	482
1969	514
1970	518
1971	441
1972	448
1973	1,184
1974	328
1975	610
1976	382
1977	484
1978	910
1979	600
1980	667
1981	1,681
1982	712
1983	2,995
1984	1,411
1985	1,035
1986	321
1987	1,179
1988	760
1989	1,812
1990	1,885
1991	1,172
1992	1,134
1993	1,266
1994	813
1995	1,128
1996	1,448
1997	651
1998	1,110
1999	938
2000	1,150
2001	523
2002	943
2003	1,315
2004	836
2005	515
2006	1,387
2007	986
2008	1,356
2009	1,502
2010	2,055
2011	846
2012	1,131
2013	584
2014	524
2015	1,238
2016	603
2017	688
2018	592
2019	731
2020	554
2021	442
2022	567
2023	1,242
2024	897
2025	1,166

Download the Data

Data for records on 2007-12-20: 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	738
50 to 100	37
100 to 150	7
150 to 200	5
200 to 250	0
250 to 300	1
300 to 350	0
350 to 400	1