Weather Records on 21 December 2007

946 weather records were set or tied worldwide on 21 December 2007. Highest significance: Carinda Post Office, AU.

Key Facts for 21 December 2007

On 21 December 2007, 946 weather records were set or tied at long-record stations worldwide.
440 were record highs and 108 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 33 monthly and 909 daily.
Carinda Post Office set a daily record precipitation of 84.0 mm (3.3 in) on 21 December 2007.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 486 records.

Record Map

946 stations

946 station records on 21 December 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Carinda Post Office	Australia	Record daily precipitation	84.0 mm (3.3 in)	77 of 100 (Major)
Yemassee 1 N	United States	Record daily precipitation	68.6 mm (2.7 in)	68 of 100 (Major)
Savannah Intl AP	United States	Record daily precipitation	180.8 mm (7.1 in)	68 of 100 (Major)
Beeac (Post Office)	Australia	Record daily precipitation	35.5 mm (1.4 in)	63 of 100 (Major)
Ft Duchesne	United States	Record snow depth	30.5 cm (12.0 in)	61 of 100 (Major)
Ballan	Australia	Record daily precipitation	31.4 mm (1.2 in)	60 of 100 (Major)
Warren (Mumblebone)	Australia	Record daily precipitation	50.0 mm (2.0 in)	59 of 100 (Notable)
Crystal Springs Exp STN	United States	Record daily precipitation	64.8 mm (2.6 in)	56 of 100 (Notable)
Hillston Airport	Australia	Record daily precipitation	32.0 mm (1.3 in)	55 of 100 (Notable)
Scotsburn (Mount Boninyong)	Australia	Record daily precipitation	45.0 mm (1.8 in)	55 of 100 (Notable)
Alpine	United States	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Vernal	United States	Record snow depth	43.2 cm (17.0 in)	55 of 100 (Notable)
Atmore	United States	Record daily precipitation	63.5 mm (2.5 in)	53 of 100 (Notable)
Beardmore Dam	Australia	Record daily precipitation	83.2 mm (3.3 in)	52 of 100 (Notable)
Warren (Buttabone)	Australia	Record daily precipitation	36.6 mm (1.4 in)	52 of 100 (Notable)
Mersa Matruh	Egypt	Record daily precipitation	97.0 mm (3.8 in)	52 of 100 (Notable)
Castellon	Spain	Record daily precipitation	57.6 mm (2.3 in)	52 of 100 (Notable)
Bogarella	Australia	Record daily precipitation	58.0 mm (2.3 in)	51 of 100 (Notable)
Ft Morgan	United States	Record snow depth	15.2 cm (6.0 in)	51 of 100 (Notable)
Grand Lake Stream	United States	Record snow depth	38.1 cm (15.0 in)	51 of 100 (Notable)
Ft Duchesne	United States	Record daily snowfall	12.7 cm (5.0 in)	51 of 100 (Notable)
Dingee	Australia	Record daily precipitation	91.0 mm (3.6 in)	50 of 100 (Notable)
Pitea	Sweden	Record high minimum temperature	5.1 C (41.2 F)	50 of 100 (Notable)
De Funiak Springs 1 E	United States	Record daily precipitation	64.8 mm (2.6 in)	50 of 100 (Notable)
Port Lincoln (Big Swamp)	Australia	Record daily precipitation	25.0 mm (1.0 in)	49 of 100 (Notable)
Collarenebri (Goondoobluie)	Australia	Record daily precipitation	78.0 mm (3.1 in)	49 of 100 (Notable)
Conargo Post Office	Australia	Record daily precipitation	27.2 mm (1.1 in)	49 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	16.4 C (61.5 F)	48 of 100 (Notable)
Calera	Mexico	Record high maximum temperature	40.0 C (104.0 F)	48 of 100 (Notable)
Mount Wudinna	Australia	Record daily precipitation	29.0 mm (1.1 in)	47 of 100 (Notable)
Come By Chance Store	Australia	Record daily precipitation	28.0 mm (1.1 in)	47 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	39.2 mm (1.5 in)	47 of 100 (Notable)
Glen Waverley (Golf Course)	Australia	Record daily precipitation	58.0 mm (2.3 in)	47 of 100 (Notable)
Fessenden	United States	Record daily snowfall	7.6 cm (3.0 in)	47 of 100 (Notable)
Morrisons (Ballark)	Australia	Record daily precipitation	37.6 mm (1.5 in)	46 of 100 (Notable)
Villanueva	United States	Record daily snowfall	20.3 cm (8.0 in)	46 of 100 (Notable)
Nockatunga Station	Australia	Record daily precipitation	44.0 mm (1.7 in)	45 of 100 (Notable)
Auburn	United States	Record snow depth	30.5 cm (12.0 in)	43 of 100 (Notable)
Yurecuaro	Mexico	Record high maximum temperature	35.6 C (96.1 F)	42 of 100 (Notable)
Duchesne	United States	Record snow depth	22.9 cm (9.0 in)	42 of 100 (Notable)
Beaufort MCAS	United States	Record daily precipitation	57.7 mm (2.3 in)	42 of 100 (Notable)
Tumby Bay (Yadnarie)	Australia	Record daily precipitation	30.6 mm (1.2 in)	41 of 100 (Notable)
Glenearn	Australia	Record daily precipitation	70.0 mm (2.8 in)	41 of 100 (Notable)
Pilliga Post Office	Australia	Record daily precipitation	46.5 mm (1.8 in)	41 of 100 (Notable)
Kvikkjokk-Arrenjarka	Sweden	Record high minimum temperature	4.7 C (40.5 F)	41 of 100 (Notable)
Moorabbin Airport	Australia	Record daily precipitation	39.8 mm (1.6 in)	40 of 100 (Notable)
Robertsdale	United States	Record daily precipitation	71.6 mm (2.8 in)	40 of 100 (Notable)
Yeelana (Brimpton Lake)	Australia	Record daily precipitation	28.0 mm (1.1 in)	39 of 100 (Notable)
Pykes Creek Reservoir	Australia	Record daily precipitation	40.8 mm (1.6 in)	39 of 100 (Notable)
Cummins	Australia	Record daily precipitation	30.4 mm (1.2 in)	37 of 100 (Notable)
Morstone Station	Australia	Record daily precipitation	67.6 mm (2.7 in)	37 of 100 (Notable)
Cobar Mo	Australia	Record daily precipitation	45.0 mm (1.8 in)	37 of 100 (Notable)
Cressy	Australia	Record daily precipitation	25.8 mm (1.0 in)	37 of 100 (Notable)
Newton Exp STN	United States	Record daily precipitation	67.3 mm (2.6 in)	37 of 100 (Notable)
Nundroo	Australia	Record daily precipitation	40.2 mm (1.6 in)	36 of 100 (Notable)
Mount Hope (Fairview)	Australia	Record daily precipitation	29.8 mm (1.2 in)	36 of 100 (Notable)
Birra Birra	Australia	Record daily precipitation	84.0 mm (3.3 in)	36 of 100 (Notable)
Dinosaur Nm-Quarry Area	United States	Record daily snowfall	11.7 cm (4.6 in)	36 of 100 (Notable)
Vernal	United States	Record daily snowfall	13.2 cm (5.2 in)	36 of 100 (Notable)
Ceduna (Uworra)	Australia	Record daily precipitation	28.4 mm (1.1 in)	35 of 100 (Notable)

Counts by Type and Timescale

946 records

Records set or tied on 21 December 2007 by type: Highest daily maximum 246, Lowest daily maximum 52, Highest daily minimum 194, Lowest daily minimum 56, Heaviest daily rainfall 262, Heaviest daily snowfall 57, Deepest snow cover 79.

Records on 21 December 2007 by type
Record type	Records
Highest daily maximum	246
Lowest daily maximum	52
Highest daily minimum	194
Lowest daily minimum	56
Heaviest daily rainfall	262
Heaviest daily snowfall	57
Deepest snow cover	79

Records on 21 December 2007 by timescale: all-time 4, monthly 33, daily 909.

How Much Records Were Beaten By

738 broken records

Margins by which the 738 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

21 December 2007

Top 20 records on 21 December 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 2007	Carinda Post Office, AU	daily rain	84.0 mm (3.3 in)	66.2 mm (2.6 in)	92 years	77 of 100 (Major)
21 December 2007	Yemassee 1 N, US	daily rain	68.6 mm (2.7 in)	42.2 mm (1.7 in)	84 years	68 of 100 (Major)
21 December 2007	Savannah Intl AP, US	monthly rain	180.8 mm (7.1 in)	96.7 mm (3.8 in)	43 years	68 of 100 (Major)
21 December 2007	Beeac (Post Office), AU	daily rain	35.5 mm (1.4 in)	18.0 mm (0.7 in)	96 years	63 of 100 (Major)
21 December 2007	Ft Duchesne, US	daily snow depth	30.5 cm (12.0 in)	15.3 cm (6.0 in)	97 years	61 of 100 (Major)
21 December 2007	Ballan, AU	daily rain	31.4 mm (1.2 in)	22.3 mm (0.9 in)	92 years	60 of 100 (Major)
21 December 2007	Warren (Mumblebone), AU	daily rain	50.0 mm (2.0 in)	30.9 mm (1.2 in)	85 years	59 of 100 (Notable)
21 December 2007	Crystal Springs Exp STN, US	daily rain	64.8 mm (2.6 in)	36.9 mm (1.5 in)	88 years	56 of 100 (Notable)
21 December 2007	Hillston Airport, AU	daily rain	32.0 mm (1.3 in)	25.4 mm (1.0 in)	56 years	55 of 100 (Notable)
21 December 2007	Scotsburn (Mount Boninyong), AU	daily rain	45.0 mm (1.8 in)	13.8 mm (0.5 in)	104 years	55 of 100 (Notable)
21 December 2007	Alpine, US	daily snowfall	25.4 cm (10.0 in)	12.7 cm (5.0 in)	82 years	55 of 100 (Notable)
21 December 2007	Vernal, US	daily snow depth	43.2 cm (17.0 in)	33.0 cm (13.0 in)	16 years	55 of 100 (Notable)
21 December 2007	Atmore, US	daily rain	63.5 mm (2.5 in)	50.8 mm (2.0 in)	60 years	53 of 100 (Notable)
21 December 2007	Beardmore Dam, AU	daily rain	83.2 mm (3.3 in)	77.7 mm (3.1 in)	32 years	52 of 100 (Notable)
21 December 2007	Warren (Buttabone), AU	daily rain	36.6 mm (1.4 in)	34.1 mm (1.3 in)	60 years	52 of 100 (Notable)
21 December 2007	Mersa Matruh, EG	daily rain	97.0 mm (3.8 in)	59.9 mm (2.4 in)	14 years	52 of 100 (Notable)
21 December 2007	Castellon, ES	daily rain	57.6 mm (2.3 in)	50.9 mm (2.0 in)	30 years	52 of 100 (Notable)
21 December 2007	Bogarella, AU	daily rain	58.0 mm (2.3 in)	42.5 mm (1.7 in)	40 years	51 of 100 (Notable)
21 December 2007	Ft Morgan, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	58 years	51 of 100 (Notable)
21 December 2007	Grand Lake Stream, US	daily snow depth	38.1 cm (15.0 in)	38.1 cm (15.0 in)	33 years	51 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 946 records.

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

Records on 12-21 in each year
Year	Records
1793	1
1794	1
1799	1
1801	2
1808	3
1825	1
1828	1
1839	1
1846	1
1850	1
1855	7
1859	1
1860	1
1868	1
1870	1
1871	2
1874	2
1875	3
1876	1
1877	1
1878	1
1879	1
1880	1
1884	1
1886	3
1889	1
1890	4
1893	4
1894	1
1895	5
1896	3
1897	3
1898	1
1900	8
1901	15
1902	5
1903	25
1904	3
1905	15
1906	15
1907	17
1908	19
1909	20
1910	29
1911	36
1912	23
1913	11
1914	107
1915	43
1916	40
1917	18
1918	41
1919	57
1920	30
1921	104
1922	34
1923	323
1924	377
1925	120
1926	178
1927	147
1928	70
1929	156
1930	66
1931	556
1932	150
1933	581
1934	230
1935	398
1936	323
1937	189
1938	145
1939	140
1940	622
1941	651
1942	968
1943	148
1944	762
1945	396
1946	495
1947	700
1948	297
1949	1,281
1950	504
1951	1,061
1952	197
1953	256
1954	444
1955	888
1956	672
1957	846
1958	516
1959	272
1960	585
1961	254
1962	563
1963	1,137
1964	613
1965	247
1966	400
1967	1,923
1968	818
1969	828
1970	547
1971	680
1972	651
1973	1,292
1974	374
1975	548
1976	446
1977	470
1978	517
1979	558
1980	726
1981	1,476
1982	702
1983	3,324
1984	1,012
1985	979
1986	404
1987	775
1988	717
1989	3,203
1990	2,701
1991	1,125
1992	751
1993	967
1994	793
1995	878
1996	1,114
1997	810
1998	1,142
1999	851
2000	944
2001	650
2002	579
2003	1,103
2004	675
2005	606
2006	1,443
2007	946
2008	1,062
2009	1,097
2010	2,039
2011	653
2012	759
2013	1,029
2014	878
2015	1,173
2016	543
2017	459
2018	742
2019	755
2020	965
2021	323
2022	528
2023	1,170
2024	778
2025	1,099

Download the Data

Data for records on 2007-12-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	676
50 to 100	42
100 to 150	12
150 to 200	4
200 to 250	2
250 to 300	0
300 to 350	1
350 to 400	1