Weather Records on 30 December 2020

604 weather records were set or tied worldwide on 30 December 2020. Highest significance: Quilpie Airport, AU.

Key Facts for 30 December 2020

On 30 December 2020, 604 weather records were set or tied at long-record stations worldwide.
103 were record highs and 73 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 595 daily.
Quilpie Airport set a daily record precipitation of 56.0 mm (2.2 in) on 30 December 2020.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 495 records.

Record Map

604 stations

604 station records on 30 December 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Quilpie Airport	Australia	Record daily precipitation	56.0 mm (2.2 in)	70 of 100 (Major)
Dalgety Downs	Australia	Record daily precipitation	26.0 mm (1.0 in)	66 of 100 (Major)
Larrimah	Australia	Record daily precipitation	130.0 mm (5.1 in)	61 of 100 (Major)
Fairfield	United States	Record daily precipitation	32.8 mm (1.3 in)	61 of 100 (Major)
Greenfield	United States	Record daily snowfall	19.8 cm (7.8 in)	61 of 100 (Major)
Brodhead Wwtp	United States	Record daily snowfall	21.8 cm (8.6 in)	60 of 100 (Major)
Indianola 1SW	United States	Record daily snowfall	21.1 cm (8.3 in)	57 of 100 (Notable)
Red Oak	United States	Record daily snowfall	20.8 cm (8.2 in)	55 of 100 (Notable)
Maquoketa	United States	Record daily snowfall	24.1 cm (9.5 in)	54 of 100 (Notable)
Southend Curtis Island	Australia	Record daily precipitation	111.0 mm (4.4 in)	53 of 100 (Notable)
Belah Park	Australia	Record daily precipitation	55.2 mm (2.2 in)	52 of 100 (Notable)
Ankeny	United States	Record daily snowfall	19.1 cm (7.5 in)	51 of 100 (Notable)
Audubon	United States	Record daily snowfall	12.4 cm (4.9 in)	50 of 100 (Notable)
Keosauqua	United States	Record daily snowfall	6.6 cm (2.6 in)	50 of 100 (Notable)
Monroe Wwtp	United States	Record daily snowfall	21.6 cm (8.5 in)	50 of 100 (Notable)
Carramar	Australia	Record daily precipitation	60.0 mm (2.4 in)	49 of 100 (Notable)
Massena	United States	Record daily snowfall	15.2 cm (6.0 in)	49 of 100 (Notable)
Prairie du Chien	United States	Record daily snowfall	8.6 cm (3.4 in)	49 of 100 (Notable)
Upper Manilla (Glenborah)	Australia	Record daily precipitation	89.8 mm (3.5 in)	48 of 100 (Notable)
Hannam Vale (Hannam Vale Road)	Australia	Record daily precipitation	93.0 mm (3.7 in)	48 of 100 (Notable)
Osceola	United States	Record daily snowfall	14.2 cm (5.6 in)	48 of 100 (Notable)
Perry Lake	United States	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Nutwood Downs	Australia	Record daily precipitation	108.8 mm (4.3 in)	47 of 100 (Notable)
Bloomfield	United States	Record daily snowfall	11.9 cm (4.7 in)	47 of 100 (Notable)
Centerville	United States	Record daily snowfall	9.7 cm (3.8 in)	47 of 100 (Notable)
Pella 1S	United States	Record daily snowfall	17.8 cm (7.0 in)	47 of 100 (Notable)
Trenton	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Woodson	United States	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Belle Plaine	United States	Record daily snowfall	17.3 cm (6.8 in)	44 of 100 (Notable)
Williamsburg 1E	United States	Record daily snowfall	27.7 cm (10.9 in)	44 of 100 (Notable)
Uralla (Dumaresq St)	Australia	Record daily precipitation	32.0 mm (1.3 in)	43 of 100 (Notable)
Duffys Forest (Namba Rd)	Australia	Record daily precipitation	84.0 mm (3.3 in)	43 of 100 (Notable)
Morrison	United States	Record daily snowfall	15.2 cm (6.0 in)	43 of 100 (Notable)
Keosauqua	United States	Record daily precipitation	37.1 mm (1.5 in)	43 of 100 (Notable)
Newton	United States	Record daily snowfall	20.6 cm (8.1 in)	43 of 100 (Notable)
Bemidji	United States	Record daily snowfall	12.2 cm (4.8 in)	43 of 100 (Notable)
Roosevelt	United States	Record daily precipitation	42.4 mm (1.7 in)	43 of 100 (Notable)
Afton - Janesville Wwtp	United States	Record daily snowfall	27.9 cm (11.0 in)	43 of 100 (Notable)
Whitewater Wwtp	United States	Record daily snowfall	17.8 cm (7.0 in)	43 of 100 (Notable)
Thumb Creek (Figtree)	Australia	Record daily precipitation	70.4 mm (2.8 in)	42 of 100 (Notable)
Kewanee 1E	United States	Record daily snowfall	15.2 cm (6.0 in)	42 of 100 (Notable)
Clarinda	United States	Record daily precipitation	27.2 mm (1.1 in)	42 of 100 (Notable)
Gallatin 1W	United States	Record daily precipitation	40.4 mm (1.6 in)	42 of 100 (Notable)
Hughenden Station	Australia	Record daily precipitation	77.0 mm (3.0 in)	41 of 100 (Notable)
Lamoni	United States	Record daily snowfall	7.4 cm (2.9 in)	41 of 100 (Notable)
Oakland	United States	Record daily snowfall	14.5 cm (5.7 in)	41 of 100 (Notable)
Rathbun Dam	United States	Record daily snowfall	10.4 cm (4.1 in)	41 of 100 (Notable)
Northam	Australia	Record high minimum temperature	24.1 C (75.4 F)	40 of 100 (Notable)
Kalamia Estate	Australia	Record daily precipitation	147.8 mm (5.8 in)	40 of 100 (Notable)
Avalon Beach (Avalon (Palmgrov	Australia	Record daily precipitation	39.0 mm (1.5 in)	40 of 100 (Notable)
Illinois City Dam 16	United States	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
La Harpe	United States	Record daily snowfall	5.1 cm (2.0 in)	40 of 100 (Notable)
Cascade	United States	Record daily snowfall	16.3 cm (6.4 in)	40 of 100 (Notable)
Montezuma 1 W	United States	Record daily snowfall	18.8 cm (7.4 in)	40 of 100 (Notable)
Muscatine	United States	Record daily precipitation	37.8 mm (1.5 in)	40 of 100 (Notable)
Burlington Junction	United States	Record daily precipitation	34.0 mm (1.3 in)	40 of 100 (Notable)
Deseret	United States	Record low maximum temperature	-10.0 C (14.0 F)	40 of 100 (Notable)
Darlington Wwtp	United States	Record daily snowfall	17.3 cm (6.8 in)	40 of 100 (Notable)
Ft Atkinson Wwtp	United States	Record daily snowfall	18.3 cm (7.2 in)	40 of 100 (Notable)
Ladysmith 3W	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)

Counts by Type and Timescale

604 records

Records set or tied on 30 December 2020 by type: Highest daily maximum 47, Lowest daily maximum 38, Highest daily minimum 56, Lowest daily minimum 35, Heaviest daily rainfall 296, Heaviest daily snowfall 124, Deepest snow cover 8.

Records on 30 December 2020 by type
Record type	Records
Highest daily maximum	47
Lowest daily maximum	38
Highest daily minimum	56
Lowest daily minimum	35
Heaviest daily rainfall	296
Heaviest daily snowfall	124
Deepest snow cover	8

Records on 30 December 2020 by timescale: all-time 0, monthly 9, daily 595.

How Much Records Were Beaten By

551 broken records

Margins by which the 551 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 241.0. Ties are not counted.

Top 20 by Significance

30 December 2020

Top 20 records on 30 December 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 2020	Quilpie Airport, AU	daily rain	56.0 mm (2.2 in)	52.4 mm (2.1 in)	73 years	70 of 100 (Major)
30 December 2020	Dalgety Downs, AU	daily rain	26.0 mm (1.0 in)	26.0 mm (1.0 in)	112 years	66 of 100 (Major)
30 December 2020	Larrimah, AU	daily rain	130.0 mm (5.1 in)	81.7 mm (3.2 in)	53 years	61 of 100 (Major)
30 December 2020	Fairfield, US	daily rain	32.8 mm (1.3 in)	20.6 mm (0.8 in)	84 years	61 of 100 (Major)
30 December 2020	Greenfield, US	daily snowfall	19.8 cm (7.8 in)	12.2 cm (4.8 in)	79 years	61 of 100 (Major)
30 December 2020	Brodhead Wwtp, US	daily snowfall	21.8 cm (8.6 in)	16.7 cm (6.6 in)	42 years	60 of 100 (Major)
30 December 2020	Indianola 1SW, US	daily snowfall	21.1 cm (8.3 in)	16.0 cm (6.3 in)	49 years	57 of 100 (Notable)
30 December 2020	Red Oak, US	daily snowfall	20.8 cm (8.2 in)	17.0 cm (6.7 in)	30 years	55 of 100 (Notable)
30 December 2020	Maquoketa, US	daily snowfall	24.1 cm (9.5 in)	11.4 cm (4.5 in)	66 years	54 of 100 (Notable)
30 December 2020	Southend Curtis Island, AU	daily rain	111.0 mm (4.4 in)	85.8 mm (3.4 in)	46 years	53 of 100 (Notable)
30 December 2020	Belah Park, AU	daily rain	55.2 mm (2.2 in)	27.8 mm (1.1 in)	78 years	52 of 100 (Notable)
30 December 2020	Ankeny, US	daily snowfall	19.1 cm (7.5 in)	14.0 cm (5.5 in)	49 years	51 of 100 (Notable)
30 December 2020	Audubon, US	daily snowfall	12.4 cm (4.9 in)	4.8 cm (1.9 in)	121 years	50 of 100 (Notable)
30 December 2020	Keosauqua, US	daily snowfall	6.6 cm (2.6 in)	4.1 cm (1.6 in)	106 years	50 of 100 (Notable)
30 December 2020	Monroe Wwtp, US	daily snowfall	21.6 cm (8.5 in)	11.4 cm (4.5 in)	66 years	50 of 100 (Notable)
30 December 2020	Carramar, AU	daily rain	60.0 mm (2.4 in)	38.4 mm (1.5 in)	54 years	49 of 100 (Notable)
30 December 2020	Massena, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	30 years	49 of 100 (Notable)
30 December 2020	Prairie du Chien, US	daily snowfall	8.6 cm (3.4 in)	4.8 cm (1.9 in)	113 years	49 of 100 (Notable)
30 December 2020	Upper Manilla (Glenborah), AU	daily rain	89.8 mm (3.5 in)	42.6 mm (1.7 in)	30 years	48 of 100 (Notable)
30 December 2020	Hannam Vale (Hannam Vale Road), AU	daily rain	93.0 mm (3.7 in)	58.0 mm (2.3 in)	21 years	48 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 2020

Records set or tied on this calendar date in each year from 1799 to 2020. 2020 had 604 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 2020-12-30: 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	488
50 to 100	45
100 to 150	14
150 to 200	3
200 to 250	1