Weather Records on 12 March 2009

1,148 weather records were set or tied worldwide on 12 March 2009. Highest significance: Dergholm (Hillgrove), AU.

Key Facts for 12 March 2009

On 12 March 2009, 1,148 weather records were set or tied at long-record stations worldwide.
190 were record highs and 661 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 41 monthly and 1,106 daily.
Dergholm (Hillgrove) set a daily record precipitation of 35.6 mm (1.4 in) on 12 March 2009.
Across 158 earlier years (1810 to 2026) the same calendar date averaged 491 records.

Record Map

1,148 stations

1,148 station records on 12 March 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 March 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dergholm (Hillgrove)	Australia	Record daily precipitation	35.6 mm (1.4 in)	65 of 100 (Major)
Wirrabara	Australia	Record daily precipitation	26.0 mm (1.0 in)	63 of 100 (Major)
Ghanzi	Botswana	Record daily precipitation	99.1 mm (3.9 in)	60 of 100 (Major)
Las Arboledas	Mexico	Record daily precipitation	32.8 mm (1.3 in)	54 of 100 (Notable)
Punchbowl Crater 709	United States	Record daily precipitation	74.2 mm (2.9 in)	54 of 100 (Notable)
Huehuetoca	Mexico	Record daily precipitation	29.0 mm (1.1 in)	52 of 100 (Notable)
Eden	United States	Record daily precipitation	41.7 mm (1.6 in)	52 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	110.0 mm (4.3 in)	52 of 100 (Notable)
Jiquipilco	Mexico	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Concrete Ppl Fish STN	United States	Record low minimum temperature	-6.1 C (21.0 F)	51 of 100 (Notable)
Rosalia	United States	Record low minimum temperature	-17.8 C (0.0 F)	51 of 100 (Notable)
Wrattonbully (Joeville)	Australia	Record daily precipitation	30.4 mm (1.2 in)	49 of 100 (Notable)
Pittsburg 5 SSE	United States	Record daily precipitation	101.1 mm (4.0 in)	49 of 100 (Notable)
Wheaton	United States	Record low maximum temperature	-18.3 C (-0.9 F)	48 of 100 (Notable)
Annex Creek	United States	Record daily precipitation	47.5 mm (1.9 in)	48 of 100 (Notable)
Long Prairie	United States	Record low maximum temperature	-17.2 C (1.0 F)	47 of 100 (Notable)
Milaca	United States	Record low maximum temperature	-16.1 C (3.0 F)	47 of 100 (Notable)
Pokegama Dam	United States	Record low maximum temperature	-16.7 C (1.9 F)	47 of 100 (Notable)
Hinckley	United States	Record low maximum temperature	-13.9 C (7.0 F)	46 of 100 (Notable)
New London	United States	Record low maximum temperature	-16.7 C (1.9 F)	46 of 100 (Notable)
Fairmont	United States	Record low maximum temperature	-13.3 C (8.1 F)	45 of 100 (Notable)
New London	United States	Record low minimum temperature	-28.3 C (-18.9 F)	45 of 100 (Notable)
Sandy Lake Dam Libby	United States	Record low maximum temperature	-15.0 C (5.0 F)	45 of 100 (Notable)
Moscow U of I	United States	Record low minimum temperature	-13.9 C (7.0 F)	44 of 100 (Notable)
Hutchinson 1 N	United States	Record low maximum temperature	-15.6 C (3.9 F)	44 of 100 (Notable)
Willmar Wwtp	United States	Record low maximum temperature	-16.7 C (1.9 F)	44 of 100 (Notable)
Jamestown State Hosp	United States	Record low maximum temperature	-20.0 C (-4.0 F)	44 of 100 (Notable)
Arlington	United States	Record low minimum temperature	-7.2 C (19.0 F)	44 of 100 (Notable)
Ipswich	United States	Record low minimum temperature	-26.7 C (-16.1 F)	44 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record low maximum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Brookings 2 NE	United States	Record low maximum temperature	-16.7 C (1.9 F)	43 of 100 (Notable)
Flandreau	United States	Record low maximum temperature	-15.0 C (5.0 F)	43 of 100 (Notable)
Stephan 2 NW	United States	Record low maximum temperature	-13.9 C (7.0 F)	43 of 100 (Notable)
Stamford 1	United States	Record low maximum temperature	2.8 C (37.0 F)	43 of 100 (Notable)
Darrington Rs	United States	Record low minimum temperature	-8.3 C (17.1 F)	43 of 100 (Notable)
Vancouver 4 NNE	United States	Record low minimum temperature	-6.7 C (19.9 F)	43 of 100 (Notable)
Mason City	United States	Record low maximum temperature	-10.6 C (12.9 F)	42 of 100 (Notable)
Grand Portage	United States	Record low maximum temperature	-12.8 C (9.0 F)	42 of 100 (Notable)
Forman 5 SSE	United States	Record low maximum temperature	-18.3 C (-0.9 F)	42 of 100 (Notable)
Jamestown State Hosp	United States	Record low minimum temperature	-29.4 C (-20.9 F)	42 of 100 (Notable)
Comanche	United States	Record daily precipitation	36.1 mm (1.4 in)	42 of 100 (Notable)
Forest City 2 NNE	United States	Record low maximum temperature	-12.2 C (10.0 F)	41 of 100 (Notable)
Napoleon	United States	Record low maximum temperature	-18.9 C (-2.0 F)	41 of 100 (Notable)
Napoleon	United States	Record low minimum temperature	-30.0 C (-22.0 F)	41 of 100 (Notable)
Towner 2 NE	United States	Record low maximum temperature	-20.6 C (-5.1 F)	41 of 100 (Notable)
P-Ranch South Place	United States	Record low minimum temperature	-13.3 C (8.1 F)	41 of 100 (Notable)
Castlewood	United States	Record low maximum temperature	-17.8 C (0.0 F)	41 of 100 (Notable)
Faulkton	United States	Record low maximum temperature	-16.1 C (3.0 F)	41 of 100 (Notable)
Brackettville	United States	Record daily precipitation	65.3 mm (2.6 in)	41 of 100 (Notable)
Waxahachie	United States	Record daily precipitation	79.5 mm (3.1 in)	41 of 100 (Notable)
Clearwater	United States	Record low minimum temperature	-5.0 C (23.0 F)	41 of 100 (Notable)
Lacrosse	United States	Record low minimum temperature	-13.3 C (8.1 F)	41 of 100 (Notable)
Newhalem	United States	Record low minimum temperature	-6.7 C (19.9 F)	41 of 100 (Notable)
Pomeroy	United States	Record low maximum temperature	1.1 C (34.0 F)	41 of 100 (Notable)
Spokane Intl AP	United States	Record low minimum temperature	-13.3 C (8.1 F)	41 of 100 (Notable)
Brazzaville	Congo (Brazzaville)	Record daily precipitation	101.1 mm (4.0 in)	40 of 100 (Notable)
Ironwood	United States	Record low maximum temperature	-12.8 C (9.0 F)	40 of 100 (Notable)
Two Harbors	United States	Record low minimum temperature	-26.1 C (-15.0 F)	40 of 100 (Notable)
Ragland 3 SSW	United States	Record daily snowfall	5.1 cm (2.0 in)	40 of 100 (Notable)
Clark	United States	Record low maximum temperature	-18.3 C (-0.9 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,148 records

Records set or tied on 12 March 2009 by type: Highest daily maximum 72, Lowest daily maximum 374, Highest daily minimum 118, Lowest daily minimum 287, Heaviest daily rainfall 247, Heaviest daily snowfall 23, Deepest snow cover 27.

Records on 12 March 2009 by type
Record type	Records
Highest daily maximum	72
Lowest daily maximum	374
Highest daily minimum	118
Lowest daily minimum	287
Heaviest daily rainfall	247
Heaviest daily snowfall	23
Deepest snow cover	27

Records on 12 March 2009 by timescale: all-time 1, monthly 41, daily 1,106.

How Much Records Were Beaten By

928 broken records

Margins by which the 928 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 355.0. Ties are not counted.

Top 20 by Significance

12 March 2009

Top 20 records on 12 March 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 March 2009	Dergholm (Hillgrove), AU	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	95 years	65 of 100 (Major)
12 March 2009	Wirrabara, AU	daily rain	26.0 mm (1.0 in)	22.7 mm (0.9 in)	123 years	63 of 100 (Major)
12 March 2009	Ghanzi, BW	daily rain	99.1 mm (3.9 in)	56.2 mm (2.2 in)	40 years	60 of 100 (Major)
12 March 2009	Las Arboledas, MX	daily rain	32.8 mm (1.3 in)	28.2 mm (1.1 in)	35 years	54 of 100 (Notable)
12 March 2009	Punchbowl Crater 709, US	daily rain	74.2 mm (2.9 in)	53.4 mm (2.1 in)	27 years	54 of 100 (Notable)
12 March 2009	Huehuetoca, MX	daily rain	29.0 mm (1.1 in)	25.7 mm (1.0 in)	28 years	52 of 100 (Notable)
12 March 2009	Eden, US	daily rain	41.7 mm (1.6 in)	35.1 mm (1.4 in)	51 years	52 of 100 (Notable)
12 March 2009	Hillsboro, US	daily rain	110.0 mm (4.3 in)	63.0 mm (2.5 in)	8 years	52 of 100 (Notable)
12 March 2009	Jiquipilco, MX	daily rain	30.0 mm (1.2 in)	28.7 mm (1.1 in)	26 years	51 of 100 (Notable)
12 March 2009	Concrete Ppl Fish STN, US	daily low min	-6.1 C (21.0 F)	2.8 C (5.0 F)	103 years	51 of 100 (Notable)
12 March 2009	Rosalia, US	daily low min	-17.8 C (0.0 F)	3.9 C (7.0 F)	103 years	51 of 100 (Notable)
12 March 2009	Wrattonbully (Joeville), AU	daily rain	30.4 mm (1.2 in)	27.1 mm (1.1 in)	39 years	49 of 100 (Notable)
12 March 2009	Pittsburg 5 SSE, US	daily rain	101.1 mm (4.0 in)	55.4 mm (2.2 in)	28 years	49 of 100 (Notable)
12 March 2009	Wheaton, US	monthly low max	-18.3 C (-0.9 F)	1.6 C (2.9 F)	93 years	48 of 100 (Notable)
12 March 2009	Annex Creek, US	daily rain	47.5 mm (1.9 in)	20.8 mm (0.8 in)	62 years	48 of 100 (Notable)
12 March 2009	Long Prairie, US	daily low max	-17.2 C (1.0 F)	5.0 C (9.0 F)	112 years	47 of 100 (Notable)
12 March 2009	Milaca, US	daily low max	-16.1 C (3.0 F)	5.0 C (9.0 F)	103 years	47 of 100 (Notable)
12 March 2009	Pokegama Dam, US	daily low max	-16.7 C (1.9 F)	5.0 C (9.0 F)	103 years	47 of 100 (Notable)
12 March 2009	Hinckley, US	daily low max	-13.9 C (7.0 F)	3.9 C (7.0 F)	103 years	46 of 100 (Notable)
12 March 2009	New London, US	daily low max	-16.7 C (1.9 F)	4.5 C (8.1 F)	112 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

1810 to 2009

Records set or tied on this calendar date in each year from 1810 to 2009. 2009 had 1,148 records.

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

Records on 03-12 in each year
Year	Records
1810	2
1822	2
1845	2
1847	2
1849	1
1854	1
1855	1
1857	1
1859	1
1860	2
1861	1
1862	1
1867	1
1878	1
1879	1
1881	2
1882	1
1883	3
1884	3
1885	1
1886	6
1887	1
1888	4
1890	5
1891	5
1892	1
1893	1
1894	2
1895	3
1896	2
1897	4
1899	2
1900	4
1901	3
1902	14
1903	8
1904	7
1905	12
1906	34
1907	9
1908	11
1909	26
1910	23
1911	15
1912	7
1913	19
1914	89
1915	17
1916	27
1917	54
1918	96
1919	50
1920	42
1921	59
1922	29
1923	165
1924	168
1925	127
1926	128
1927	399
1928	204
1929	324
1930	210
1931	159
1932	589
1933	290
1934	639
1935	330
1936	399
1937	189
1938	293
1939	525
1940	588
1941	215
1942	239
1943	194
1944	448
1945	241
1946	532
1947	727
1948	1,510
1949	544
1950	841
1951	475
1952	433
1953	298
1954	603
1955	613
1956	1,159
1957	371
1958	611
1959	513
1960	891
1961	432
1962	846
1963	669
1964	285
1965	422
1966	384
1967	1,135
1968	931
1969	1,254
1970	391
1971	481
1972	1,215
1973	890
1974	784
1975	540
1976	657
1977	1,834
1978	554
1979	606
1980	601
1981	1,112
1982	860
1983	1,057
1984	1,235
1985	886
1986	658
1987	728
1988	918
1989	1,402
1990	2,905
1991	607
1992	1,423
1993	931
1994	619
1995	1,067
1996	1,030
1997	990
1998	2,483
1999	636
2000	715
2001	1,392
2002	935
2003	703
2004	649
2005	1,020
2006	2,121
2007	1,652
2008	684
2009	1,148
2010	791
2011	494
2012	981
2013	874
2014	645
2015	793
2016	809
2017	702
2018	609
2019	865
2020	762
2021	659
2022	1,144
2023	877
2024	527
2025	615
2026	1,212

Download the Data

Data for records on 2009-03-12: 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	901
50 to 100	17
100 to 150	4
150 to 200	1
200 to 250	3
250 to 300	1
300 to 350	0
350 to 400	1