Weather Records on 30 December 2009

933 weather records were set or tied worldwide on 30 December 2009. Highest significance: Boggabri Post Office, AU.

Key Facts for 30 December 2009

On 30 December 2009, 933 weather records were set or tied at long-record stations worldwide.
229 were record highs and 158 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 52 monthly and 872 daily.
Boggabri Post Office set a daily record precipitation of 86.5 mm (3.4 in) on 30 December 2009.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 493 records.

Record Map

933 stations

933 station records on 30 December 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boggabri Post Office	Australia	Record daily precipitation	86.5 mm (3.4 in)	79 of 100 (Major)
Barcaldine Post Office	Australia	Record daily precipitation	79.2 mm (3.1 in)	74 of 100 (Major)
Belle Fourche	United States	Record snow depth	50.8 cm (20.0 in)	69 of 100 (Major)
Haddam	United States	Record snow depth	38.1 cm (15.0 in)	66 of 100 (Major)
Garah (Ulinga)	Australia	Record daily precipitation	67.2 mm (2.6 in)	64 of 100 (Major)
Ekalaka	United States	Record snow depth	50.8 cm (20.0 in)	61 of 100 (Major)
Spearfish	United States	Record snow depth	53.3 cm (21.0 in)	59 of 100 (Notable)
The Dalles	United States	Record daily precipitation	38.1 mm (1.5 in)	58 of 100 (Notable)
Bollon Mary St	Australia	Record daily precipitation	116.0 mm (4.6 in)	57 of 100 (Notable)
Chon Buri	Thailand	Record daily precipitation	29.2 mm (1.1 in)	57 of 100 (Notable)
Wandoan Post Office	Australia	Record daily precipitation	98.4 mm (3.9 in)	56 of 100 (Notable)
Red Oak	United States	Record snow depth	43.2 cm (17.0 in)	56 of 100 (Notable)
Fairfax	United States	Record snow depth	35.6 cm (14.0 in)	56 of 100 (Notable)
Orwell Dam	United States	Record daily precipitation	26.7 mm (1.1 in)	54 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record daily precipitation	30.0 mm (1.2 in)	52 of 100 (Notable)
Atchison	United States	Record snow depth	27.9 cm (11.0 in)	52 of 100 (Notable)
Koumala Hatfields Road	Australia	Record daily precipitation	175.0 mm (6.9 in)	50 of 100 (Notable)
Sanborn	United States	Record snow depth	76.2 cm (30.0 in)	50 of 100 (Notable)
Ashland #2	United States	Record snow depth	35.6 cm (14.0 in)	50 of 100 (Notable)
Ponca City	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Glenlyon Dam	Australia	Record daily precipitation	76.0 mm (3.0 in)	49 of 100 (Notable)
Ft Lewis	United States	Record daily snowfall	20.3 cm (8.0 in)	49 of 100 (Notable)
Mancos 1SW	United States	Record daily snowfall	19.1 cm (7.5 in)	49 of 100 (Notable)
Sedalia Wtp	United States	Record daily snowfall	5.1 cm (2.0 in)	49 of 100 (Notable)
Lake Manchester	Australia	Record daily precipitation	98.0 mm (3.9 in)	48 of 100 (Notable)
Waverley Downs	Australia	Record daily precipitation	58.4 mm (2.3 in)	48 of 100 (Notable)
Weeping Water	United States	Record snow depth	33.0 cm (13.0 in)	48 of 100 (Notable)
Bend	United States	Record daily precipitation	63.5 mm (2.5 in)	48 of 100 (Notable)
Richfield Radio Ksvc	United States	Record snow depth	20.3 cm (8.0 in)	48 of 100 (Notable)
Gadag	India	Record daily precipitation	65.0 mm (2.6 in)	46 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high maximum temperature	26.7 C (80.1 F)	45 of 100 (Notable)
Lake Nash	Australia	Record daily precipitation	51.0 mm (2.0 in)	45 of 100 (Notable)
Woleebee Nevasa	Australia	Record daily precipitation	64.0 mm (2.5 in)	45 of 100 (Notable)
Dulacca Truck Stop	Australia	Record daily precipitation	57.7 mm (2.3 in)	45 of 100 (Notable)
Seminole	United States	Record daily snowfall	5.1 cm (2.0 in)	45 of 100 (Notable)
Tizi Ouzou	Algeria	Record high maximum temperature	24.5 C (76.1 F)	44 of 100 (Notable)
Norfolk 2 SW	United States	Record low maximum temperature	-12.8 C (9.0 F)	44 of 100 (Notable)
Cherokee	United States	Record snow depth	43.2 cm (17.0 in)	44 of 100 (Notable)
Nebraska City 2NW	United States	Record snow depth	30.5 cm (12.0 in)	44 of 100 (Notable)
Ft Meade	United States	Record snow depth	25.4 cm (10.0 in)	44 of 100 (Notable)
Wilsons Peak	Australia	Record daily precipitation	68.6 mm (2.7 in)	43 of 100 (Notable)
Tummurrami	Australia	Record daily precipitation	66.0 mm (2.6 in)	43 of 100 (Notable)
Kyogle (Larkin Street)	Australia	Record daily precipitation	117.0 mm (4.6 in)	43 of 100 (Notable)
Miller	United States	Record snow depth	43.2 cm (17.0 in)	43 of 100 (Notable)
Texas Post Office	Australia	Record daily precipitation	52.4 mm (2.1 in)	42 of 100 (Notable)
Emmaville Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	42 of 100 (Notable)
Willits 1 NE	United States	Record low maximum temperature	3.3 C (37.9 F)	42 of 100 (Notable)
Scandia	United States	Record snow depth	20.3 cm (8.0 in)	42 of 100 (Notable)
Madison	United States	Record snow depth	22.9 cm (9.0 in)	42 of 100 (Notable)
Euleilah Creek	Australia	Record daily precipitation	52.0 mm (2.0 in)	41 of 100 (Notable)
Nerchinskij Zavod	Russia	Record low minimum temperature	-43.9 C (-47.0 F)	41 of 100 (Notable)
Syracuse	United States	Record snow depth	33.0 cm (13.0 in)	41 of 100 (Notable)
Lowville	United States	Record low maximum temperature	-15.6 C (3.9 F)	41 of 100 (Notable)
Mount Gambier Post Office	Australia	Record high maximum temperature	39.5 C (103.1 F)	40 of 100 (Notable)
Lucknow Station	Australia	Record daily precipitation	44.0 mm (1.7 in)	40 of 100 (Notable)
Nanango Wills St	Australia	Record daily precipitation	54.2 mm (2.1 in)	40 of 100 (Notable)
Katoota	Australia	Record daily precipitation	52.0 mm (2.0 in)	40 of 100 (Notable)
Grevillia (Grevilla (Summerlan	Australia	Record daily precipitation	74.0 mm (2.9 in)	40 of 100 (Notable)
Lincoln UNIV Pwr Plt	United States	Record snow depth	33.0 cm (13.0 in)	40 of 100 (Notable)
Tulihe	China	Record low maximum temperature	-34.9 C (-30.8 F)	39 of 100 (Notable)

Counts by Type and Timescale

933 records

Records set or tied on 30 December 2009 by type: Highest daily maximum 100, Lowest daily maximum 118, Highest daily minimum 129, Lowest daily minimum 40, Heaviest daily rainfall 231, Heaviest daily snowfall 122, Deepest snow cover 193.

Records on 30 December 2009 by type
Record type	Records
Highest daily maximum	100
Lowest daily maximum	118
Highest daily minimum	129
Lowest daily minimum	40
Heaviest daily rainfall	231
Heaviest daily snowfall	122
Deepest snow cover	193

Records on 30 December 2009 by timescale: all-time 9, monthly 52, daily 872.

How Much Records Were Beaten By

740 broken records

Margins by which the 740 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

30 December 2009

Top 20 records on 30 December 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 2009	Boggabri Post Office, AU	daily rain	86.5 mm (3.4 in)	57.5 mm (2.3 in)	98 years	79 of 100 (Major)
30 December 2009	Barcaldine Post Office, AU	daily rain	79.2 mm (3.1 in)	52.5 mm (2.1 in)	92 years	74 of 100 (Major)
30 December 2009	Belle Fourche, US	daily snow depth	50.8 cm (20.0 in)	33.0 cm (13.0 in)	64 years	69 of 100 (Major)
30 December 2009	Haddam, US	daily snow depth	38.1 cm (15.0 in)	38.1 cm (15.0 in)	60 years	66 of 100 (Major)
30 December 2009	Garah (Ulinga), AU	daily rain	67.2 mm (2.6 in)	57.0 mm (2.2 in)	59 years	64 of 100 (Major)
30 December 2009	Ekalaka, US	daily snow depth	50.8 cm (20.0 in)	30.5 cm (12.0 in)	38 years	61 of 100 (Major)
30 December 2009	Spearfish, US	daily snow depth	53.3 cm (21.0 in)	20.3 cm (8.0 in)	64 years	59 of 100 (Notable)
30 December 2009	The Dalles, US	daily rain	38.1 mm (1.5 in)	17.8 mm (0.7 in)	72 years	58 of 100 (Notable)
30 December 2009	Bollon Mary St, AU	monthly rain	116.0 mm (4.6 in)	18.2 mm (0.7 in)	78 years	57 of 100 (Notable)
30 December 2009	Chon Buri, TH	daily rain	29.2 mm (1.1 in)	27.7 mm (1.1 in)	58 years	57 of 100 (Notable)
30 December 2009	Wandoan Post Office, AU	daily rain	98.4 mm (3.9 in)	71.0 mm (2.8 in)	39 years	56 of 100 (Notable)
30 December 2009	Red Oak, US	daily snow depth	43.2 cm (17.0 in)	20.3 cm (8.0 in)	48 years	56 of 100 (Notable)
30 December 2009	Fairfax, US	daily snow depth	35.6 cm (14.0 in)	25.4 cm (10.0 in)	36 years	56 of 100 (Notable)
30 December 2009	Orwell Dam, US	monthly rain	26.7 mm (1.1 in)	14.5 mm (0.6 in)	4 years	54 of 100 (Notable)
30 December 2009	Dublin Phoenix Park, IE	daily rain	30.0 mm (1.2 in)	13.8 mm (0.5 in)	47 years	52 of 100 (Notable)
30 December 2009	Atchison, US	monthly snow depth	27.9 cm (11.0 in)	2.5 cm (1.0 in)	95 years	52 of 100 (Notable)
30 December 2009	Koumala Hatfields Road, AU	daily rain	175.0 mm (6.9 in)	53.1 mm (2.1 in)	67 years	50 of 100 (Notable)
30 December 2009	Sanborn, US	daily snow depth	76.2 cm (30.0 in)	22.9 cm (9.0 in)	64 years	50 of 100 (Notable)
30 December 2009	Ashland #2, US	daily snow depth	35.6 cm (14.0 in)	12.7 cm (5.0 in)	72 years	50 of 100 (Notable)
30 December 2009	Ponca City, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	114 years	50 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 2009

Records set or tied on this calendar date in each year from 1799 to 2009. 2009 had 933 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 2009-12-30: 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	636
50 to 100	70
100 to 150	17
150 to 200	9
200 to 250	4
250 to 300	1
300 to 350	2
350 to 400	1