Weather Records on 30 December 2021

1,455 weather records were set or tied worldwide on 30 December 2021. Highest significance: Sambalpur, IN.

Key Facts for 30 December 2021

On 30 December 2021, 1,455 weather records were set or tied at long-record stations worldwide.
1,176 were record highs and 56 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 93 monthly and 1,360 daily.
Sambalpur set a daily record precipitation of 55.9 mm (2.2 in) on 30 December 2021.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 490 records.

Record Map

1,455 stations

1,455 station records on 30 December 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sambalpur	India	Record daily precipitation	55.9 mm (2.2 in)	80 of 100 (Exceptional)
U C L A	United States	Record daily precipitation	109.0 mm (4.3 in)	69 of 100 (Major)
Woodland Hills Pierce College	United States	Record daily precipitation	106.4 mm (4.2 in)	56 of 100 (Notable)
Pasadena	United States	Record daily precipitation	86.1 mm (3.4 in)	54 of 100 (Notable)
Gainesville	United States	Record daily precipitation	51.6 mm (2.0 in)	54 of 100 (Notable)
Kowanyama Airport	Australia	Record daily precipitation	110.4 mm (4.3 in)	53 of 100 (Notable)
Petford	Australia	Record daily precipitation	115.8 mm (4.6 in)	52 of 100 (Notable)
Pendleton	United States	Record daily snowfall	11.7 cm (4.6 in)	51 of 100 (Notable)
Los Angeles Intl AP	United States	Record daily precipitation	79.2 mm (3.1 in)	50 of 100 (Notable)
Winnemucca AP	United States	Record snow depth	25.0 cm (9.8 in)	50 of 100 (Notable)
Bradford	United Kingdom	Record high maximum temperature	14.5 C (58.1 F)	47 of 100 (Notable)
Tellico Plains	United States	Record high minimum temperature	13.9 C (57.0 F)	47 of 100 (Notable)
Chatham	United States	Record high minimum temperature	12.8 C (55.0 F)	47 of 100 (Notable)
Lewiston AP	United States	Record daily snowfall	18.3 cm (7.2 in)	47 of 100 (Notable)
Pt Mugu Nf	United States	Record daily precipitation	49.8 mm (2.0 in)	47 of 100 (Notable)
Durham	United Kingdom	Record high maximum temperature	13.7 C (56.7 F)	46 of 100 (Notable)
Quincy	United States	Record snow depth	48.3 cm (19.0 in)	46 of 100 (Notable)
San Gabriel Fire Dept	United States	Record daily precipitation	59.4 mm (2.3 in)	46 of 100 (Notable)
John Day	United States	Record daily snowfall	11.4 cm (4.5 in)	46 of 100 (Notable)
Tellico Plains	United States	Record high maximum temperature	23.3 C (73.9 F)	46 of 100 (Notable)
Los Angeles Downtown/Usc	United States	Record daily precipitation	65.3 mm (2.6 in)	46 of 100 (Notable)
Uccle	Belgium	Record high minimum temperature	12.1 C (53.8 F)	45 of 100 (Notable)
Pte de Chassiron	France	Record high maximum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
West Souburg	Netherlands	Record high minimum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Rothamsted	United Kingdom	Record high maximum temperature	14.2 C (57.6 F)	45 of 100 (Notable)
Sheffield	United Kingdom	Record high maximum temperature	14.5 C (58.1 F)	45 of 100 (Notable)
Bowman Dam	United States	Record daily snowfall	111.8 cm (44.0 in)	45 of 100 (Notable)
Culver City	United States	Record daily precipitation	50.8 mm (2.0 in)	45 of 100 (Notable)
So Entrance Yosemite Np	United States	Record daily snowfall	44.5 cm (17.5 in)	45 of 100 (Notable)
Dayton 1 WSW	United States	Record daily snowfall	11.4 cm (4.5 in)	45 of 100 (Notable)
Cet Central England	United Kingdom	Record high maximum temperature	14.1 C (57.4 F)	44 of 100 (Notable)
Calera	United States	Record daily precipitation	41.7 mm (1.6 in)	44 of 100 (Notable)
Cedarville	United States	Record snow depth	30.5 cm (12.0 in)	44 of 100 (Notable)
Mt Airy 2 W	United States	Record high minimum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Sewanee	United States	Record high minimum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Gorlitz	Germany	Record high maximum temperature	13.0 C (55.4 F)	43 of 100 (Notable)
Kleve	Germany	Record high minimum temperature	10.8 C (51.4 F)	43 of 100 (Notable)
Stornoway Airport	United Kingdom	Record high maximum temperature	12.5 C (54.5 F)	43 of 100 (Notable)
Valley	United Kingdom	Record high maximum temperature	13.8 C (56.8 F)	43 of 100 (Notable)
Armagh	United Kingdom	Record high maximum temperature	14.5 C (58.1 F)	43 of 100 (Notable)
Oxford	United Kingdom	Record high maximum temperature	15.1 C (59.2 F)	43 of 100 (Notable)
Winnsboro 5 SSE	United States	Record high maximum temperature	28.9 C (84.0 F)	43 of 100 (Notable)
Laurel	United States	Record high minimum temperature	20.6 C (69.1 F)	43 of 100 (Notable)
Lichtentanne	Germany	Record high minimum temperature	7.5 C (45.5 F)	42 of 100 (Notable)
Eelde	Netherlands	Record high maximum temperature	12.9 C (55.2 F)	42 of 100 (Notable)
Saentis	Switzerland	Record high minimum temperature	0.2 C (32.4 F)	42 of 100 (Notable)
Wisley	United Kingdom	Record high maximum temperature	14.9 C (58.8 F)	42 of 100 (Notable)
Clanton	United States	Record high minimum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Biloxi	United States	Record high maximum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Hernando	United States	Record daily precipitation	46.5 mm (1.8 in)	42 of 100 (Notable)
Waynesboro 2 W	United States	Record high maximum temperature	28.9 C (84.0 F)	42 of 100 (Notable)
Beaumont City	United States	Record high maximum temperature	28.3 C (82.9 F)	42 of 100 (Notable)
Winchester 7 SE	United States	Record high minimum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
Perpignan	France	Record high maximum temperature	21.8 C (71.2 F)	41 of 100 (Notable)
Dijon-Longvic	France	Record high maximum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Poitiers - Biard	France	Record high maximum temperature	17.3 C (63.1 F)	41 of 100 (Notable)
Kleve	Germany	Record high maximum temperature	14.8 C (58.6 F)	41 of 100 (Notable)
Chemnitz	Germany	Record high minimum temperature	6.4 C (43.5 F)	41 of 100 (Notable)
Apalachicola AP	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Glennville 3NW	United States	Record high maximum temperature	27.2 C (81.0 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,455 records

Records set or tied on 30 December 2021 by type: Highest daily maximum 584, Lowest daily maximum 36, Highest daily minimum 592, Lowest daily minimum 20, Heaviest daily rainfall 159, Heaviest daily snowfall 29, Deepest snow cover 35.

Records on 30 December 2021 by type
Record type	Records
Highest daily maximum	584
Lowest daily maximum	36
Highest daily minimum	592
Lowest daily minimum	20
Heaviest daily rainfall	159
Heaviest daily snowfall	29
Deepest snow cover	35

Records on 30 December 2021 by timescale: all-time 2, monthly 93, daily 1,360.

How Much Records Were Beaten By

1,269 broken records

Margins by which the 1,269 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

30 December 2021

Top 20 records on 30 December 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 2021	Sambalpur, IN	daily rain	55.9 mm (2.2 in)	48.0 mm (1.9 in)	115 years	80 of 100 (Exceptional)
30 December 2021	U C L A, US	daily rain	109.0 mm (4.3 in)	77.2 mm (3.0 in)	70 years	69 of 100 (Major)
30 December 2021	Woodland Hills Pierce College, US	daily rain	106.4 mm (4.2 in)	78.7 mm (3.1 in)	30 years	56 of 100 (Notable)
30 December 2021	Pasadena, US	daily rain	86.1 mm (3.4 in)	46.5 mm (1.8 in)	70 years	54 of 100 (Notable)
30 December 2021	Gainesville, US	daily rain	51.6 mm (2.0 in)	20.9 mm (0.8 in)	114 years	54 of 100 (Notable)
30 December 2021	Kowanyama Airport, AU	daily rain	110.4 mm (4.3 in)	32.2 mm (1.3 in)	95 years	53 of 100 (Notable)
30 December 2021	Petford, AU	monthly rain	115.8 mm (4.6 in)	6.6 mm (0.26 in)	99 years	52 of 100 (Notable)
30 December 2021	Pendleton, US	daily snowfall	11.7 cm (4.6 in)	6.6 cm (2.6 in)	80 years	51 of 100 (Notable)
30 December 2021	Los Angeles Intl AP, US	daily rain	79.2 mm (3.1 in)	41.1 mm (1.6 in)	40 years	50 of 100 (Notable)
30 December 2021	Winnemucca AP, US	daily snow depth	25.0 cm (9.8 in)	4.7 cm (1.9 in)	108 years	50 of 100 (Notable)
30 December 2021	Bradford, GB	daily high max	14.5 C (58.1 F)	2.3 C (4.1 F)	106 years	47 of 100 (Notable)
30 December 2021	Tellico Plains, US	daily high min	13.9 C (57.0 F)	4.5 C (8.1 F)	112 years	47 of 100 (Notable)
30 December 2021	Chatham, US	daily high min	12.8 C (55.0 F)	4.5 C (8.1 F)	98 years	47 of 100 (Notable)
30 December 2021	Lewiston AP, US	daily snowfall	18.3 cm (7.2 in)	6.1 cm (2.4 in)	62 years	47 of 100 (Notable)
30 December 2021	Pt Mugu Nf, US	daily rain	49.8 mm (2.0 in)	30.7 mm (1.2 in)	44 years	47 of 100 (Notable)
30 December 2021	Durham, GB	daily high max	13.7 C (56.7 F)	2.0 C (3.6 F)	104 years	46 of 100 (Notable)
30 December 2021	Quincy, US	daily snow depth	48.3 cm (19.0 in)	7.7 cm (3.0 in)	110 years	46 of 100 (Notable)
30 December 2021	San Gabriel Fire Dept, US	daily rain	59.4 mm (2.3 in)	27.1 mm (1.1 in)	70 years	46 of 100 (Notable)
30 December 2021	John Day, US	daily snowfall	11.4 cm (4.5 in)	6.1 cm (2.4 in)	50 years	46 of 100 (Notable)
30 December 2021	Tellico Plains, US	daily high max	23.3 C (73.9 F)	3.9 C (7.0 F)	114 years	46 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

1799 to 2021

Records set or tied on this calendar date in each year from 1799 to 2021. 2021 had 1,455 records.

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

Records on 12-30 in each year
Year	Records
1799	2
1835	1
1850	1
1853	1
1856	1
1859	1
1863	1
1868	1
1870	4
1872	3
1874	2
1875	2
1876	3
1878	1
1880	5
1881	3
1882	3
1884	2
1888	2
1889	2
1890	7
1891	1
1892	1
1893	3
1895	6
1896	3
1897	7
1898	6
1899	3
1900	5
1901	8
1902	2
1903	8
1904	12
1905	10
1906	11
1907	26
1908	17
1909	13
1910	18
1911	20
1912	37
1913	32
1914	47
1915	62
1916	45
1917	217
1918	25
1919	82
1920	84
1921	111
1922	227
1923	223
1924	65
1925	184
1926	63
1927	290
1928	31
1929	382
1930	71
1931	509
1932	407
1933	279
1934	206
1935	202
1936	931
1937	234
1938	208
1939	237
1940	397
1941	149
1942	584
1943	165
1944	137
1945	251
1946	584
1947	317
1948	760
1949	206
1950	479
1951	955
1952	334
1953	399
1954	538
1955	254
1956	556
1957	443
1958	525
1959	216
1960	345
1961	389
1962	671
1963	567
1964	537
1965	1,122
1966	403
1967	760
1968	1,391
1969	817
1970	571
1971	1,122
1972	1,052
1973	1,262
1974	564
1975	703
1976	981
1977	795
1978	1,930
1979	427
1980	1,560
1981	684
1982	630
1983	2,765
1984	1,834
1985	568
1986	852
1987	1,270
1988	755
1989	528
1990	3,065
1991	525
1992	1,210
1993	865
1994	642
1995	1,455
1996	1,620
1997	1,384
1998	801
1999	838
2000	1,377
2001	651
2002	1,034
2003	661
2004	974
2005	928
2006	1,779
2007	748
2008	653
2009	933
2010	1,200
2011	782
2012	676
2013	642
2014	660
2015	820
2016	706
2017	1,324
2018	284
2019	1,131
2020	604
2021	1,455
2022	909
2023	726
2024	638
2025	325

Download the Data

Data for records on 2021-12-30: 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	1,242
50 to 100	15
100 to 150	8
150 to 200	3
200 to 250	1