Weather Records on 11 March 2009

1,195 weather records were set or tied worldwide on 11 March 2009. Highest significance: Rochester, US.

Key Facts for 11 March 2009

On 11 March 2009, 1,195 weather records were set or tied at long-record stations worldwide.
298 were record highs and 623 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 49 monthly and 1,145 daily.
Rochester set a monthly record daily precipitation of 81.3 mm (3.2 in) on 11 March 2009.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 469 records.

Record Map

1,195 stations

1,195 station records on 11 March 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 March 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rochester	United States	Record daily precipitation	81.3 mm (3.2 in)	75 of 100 (Major)
Armagh	United Kingdom	Record daily precipitation	50.0 mm (2.0 in)	70 of 100 (Major)
Angola	United States	Record daily precipitation	48.3 mm (1.9 in)	69 of 100 (Major)
Wauseon Wtp	United States	Record daily precipitation	59.7 mm (2.4 in)	67 of 100 (Major)
Fremont	United States	Record daily precipitation	36.8 mm (1.4 in)	66 of 100 (Major)
Grand Portage	United States	Record daily snowfall	27.9 cm (11.0 in)	64 of 100 (Major)
Indus 3 W	United States	Record daily snowfall	20.8 cm (8.2 in)	63 of 100 (Major)
Montpelier	United States	Record daily precipitation	78.7 mm (3.1 in)	62 of 100 (Major)
Tyler Pounds Fld	United States	Record daily precipitation	57.2 mm (2.3 in)	61 of 100 (Major)
Corsicana	United States	Record daily precipitation	91.4 mm (3.6 in)	60 of 100 (Major)
Grand Portage	United States	Record daily precipitation	28.2 mm (1.1 in)	59 of 100 (Notable)
Jamestown State Hosp	United States	Record daily snowfall	20.3 cm (8.0 in)	59 of 100 (Notable)
Warsaw	United States	Record daily precipitation	47.5 mm (1.9 in)	57 of 100 (Notable)
Kealakekua 26.2	United States	Record daily precipitation	58.2 mm (2.3 in)	57 of 100 (Notable)
Fredericksburg	United States	Record daily precipitation	75.2 mm (3.0 in)	54 of 100 (Notable)
Pullman 2 NW	United States	Record daily snowfall	15.2 cm (6.0 in)	54 of 100 (Notable)
Busby	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Butte 5SE	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Hardy	United States	Record daily precipitation	50.3 mm (2.0 in)	51 of 100 (Notable)
Red Lake Falls	United States	Record daily snowfall	19.1 cm (7.5 in)	50 of 100 (Notable)
Webster	United States	Record low maximum temperature	-18.9 C (-2.0 F)	50 of 100 (Notable)
La Moure	United States	Record daily snowfall	17.8 cm (7.0 in)	48 of 100 (Notable)
Rosalia	United States	Record low minimum temperature	-17.8 C (0.0 F)	48 of 100 (Notable)
Camp Crook	United States	Record low maximum temperature	-17.8 C (0.0 F)	47 of 100 (Notable)
Teague Rch	United States	Record daily precipitation	88.9 mm (3.5 in)	47 of 100 (Notable)
Kellogg	United States	Record low maximum temperature	-5.0 C (23.0 F)	46 of 100 (Notable)
Hudson 3 E	United States	Record daily precipitation	38.4 mm (1.5 in)	46 of 100 (Notable)
Long Prairie	United States	Record daily snowfall	16.5 cm (6.5 in)	46 of 100 (Notable)
Courtenay 1 NW	United States	Record daily snowfall	12.7 cm (5.0 in)	46 of 100 (Notable)
Milan 1NW	United States	Record low maximum temperature	-16.1 C (3.0 F)	45 of 100 (Notable)
Wibaux 2 E	United States	Record low minimum temperature	-32.2 C (-26.0 F)	45 of 100 (Notable)
Petersburg 2 N	United States	Record daily snowfall	19.1 cm (7.5 in)	45 of 100 (Notable)
Stephan 2 NW	United States	Record low maximum temperature	-14.4 C (6.1 F)	45 of 100 (Notable)
Glen Park (White Swan Reservoi	Australia	Record daily precipitation	28.8 mm (1.1 in)	44 of 100 (Notable)
Elk City 1NE	United States	Record low maximum temperature	-6.1 C (21.0 F)	44 of 100 (Notable)
Jordan	United States	Record low maximum temperature	-16.7 C (1.9 F)	44 of 100 (Notable)
Mohall	United States	Record low maximum temperature	-20.0 C (-4.0 F)	44 of 100 (Notable)
Old Faithful	United States	Record low maximum temperature	-8.9 C (16.0 F)	44 of 100 (Notable)
Pembina	United States	Record low maximum temperature	-20.6 C (-5.1 F)	44 of 100 (Notable)
Porthill	United States	Record low maximum temperature	-5.6 C (21.9 F)	43 of 100 (Notable)
Moose Lake 1 SSE	United States	Record daily snowfall	14.0 cm (5.5 in)	43 of 100 (Notable)
Clear Lake	United States	Record low maximum temperature	-15.0 C (5.0 F)	43 of 100 (Notable)
New Meadows Rs	United States	Record low maximum temperature	-1.1 C (30.0 F)	42 of 100 (Notable)
Chester	United States	Record low maximum temperature	-17.2 C (1.0 F)	42 of 100 (Notable)
Valentine	United States	Record low maximum temperature	-15.6 C (3.9 F)	42 of 100 (Notable)
Castlewood	United States	Record low maximum temperature	-14.4 C (6.1 F)	42 of 100 (Notable)
Aberdeen	United States	Record low maximum temperature	-17.8 C (0.0 F)	42 of 100 (Notable)
Botkinburg 3 NE	United States	Record daily precipitation	45.7 mm (1.8 in)	41 of 100 (Notable)
Idaho City	United States	Record low maximum temperature	-1.7 C (28.9 F)	41 of 100 (Notable)
Napoleon	United States	Record daily precipitation	52.6 mm (2.1 in)	41 of 100 (Notable)
Waverly	United States	Record high maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Pendleton Dwtn	United States	Record low minimum temperature	-7.2 C (19.0 F)	41 of 100 (Notable)
Bremerton	United States	Record low maximum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Everett	United States	Record low maximum temperature	4.4 C (39.9 F)	41 of 100 (Notable)
Lacrosse	United States	Record low minimum temperature	-14.4 C (6.1 F)	41 of 100 (Notable)
Odessa	United States	Record low minimum temperature	-10.6 C (12.9 F)	41 of 100 (Notable)
Wilbur	United States	Record low maximum temperature	-3.3 C (26.1 F)	41 of 100 (Notable)
Meacham	United States	Record low minimum temperature	-23.9 C (-11.0 F)	41 of 100 (Notable)
Nymagee (Balowra)	Australia	Record daily precipitation	29.0 mm (1.1 in)	40 of 100 (Notable)
Shelbyville Sewage Plt	United States	Record high maximum temperature	25.0 C (77.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,195 records

Records set or tied on 11 March 2009 by type: Highest daily maximum 181, Lowest daily maximum 391, Highest daily minimum 117, Lowest daily minimum 232, Heaviest daily rainfall 190, Heaviest daily snowfall 55, Deepest snow cover 29.

Records on 11 March 2009 by type
Record type	Records
Highest daily maximum	181
Lowest daily maximum	391
Highest daily minimum	117
Lowest daily minimum	232
Heaviest daily rainfall	190
Heaviest daily snowfall	55
Deepest snow cover	29

Records on 11 March 2009 by timescale: all-time 1, monthly 49, daily 1,145.

How Much Records Were Beaten By

933 broken records

Margins by which the 933 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

11 March 2009

Top 20 records on 11 March 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 March 2009	Rochester, US	monthly rain	81.3 mm (3.2 in)	23.6 mm (0.9 in)	83 years	75 of 100 (Major)
11 March 2009	Armagh, GB	daily rain	50.0 mm (2.0 in)	20.3 mm (0.8 in)	68 years	70 of 100 (Major)
11 March 2009	Angola, US	daily rain	48.3 mm (1.9 in)	22.9 mm (0.9 in)	108 years	69 of 100 (Major)
11 March 2009	Wauseon Wtp, US	daily rain	59.7 mm (2.4 in)	32.3 mm (1.3 in)	56 years	67 of 100 (Major)
11 March 2009	Fremont, US	daily rain	36.8 mm (1.4 in)	20.0 mm (0.8 in)	107 years	66 of 100 (Major)
11 March 2009	Grand Portage, US	daily snowfall	27.9 cm (11.0 in)	21.5 cm (8.5 in)	48 years	64 of 100 (Major)
11 March 2009	Indus 3 W, US	daily snowfall	20.8 cm (8.2 in)	18.3 cm (7.2 in)	58 years	63 of 100 (Major)
11 March 2009	Montpelier, US	monthly rain	78.7 mm (3.1 in)	22.8 mm (0.9 in)	54 years	62 of 100 (Major)
11 March 2009	Tyler Pounds Fld, US	daily rain	57.2 mm (2.3 in)	28.8 mm (1.1 in)	112 years	61 of 100 (Major)
11 March 2009	Corsicana, US	daily rain	91.4 mm (3.6 in)	54.6 mm (2.1 in)	40 years	60 of 100 (Major)
11 March 2009	Grand Portage, US	daily rain	28.2 mm (1.1 in)	26.4 mm (1.0 in)	48 years	59 of 100 (Notable)
11 March 2009	Jamestown State Hosp, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	91 years	59 of 100 (Notable)
11 March 2009	Warsaw, US	daily rain	47.5 mm (1.9 in)	34.3 mm (1.4 in)	24 years	57 of 100 (Notable)
11 March 2009	Kealakekua 26.2, US	daily rain	58.2 mm (2.3 in)	37.9 mm (1.5 in)	42 years	57 of 100 (Notable)
11 March 2009	Fredericksburg, US	daily rain	75.2 mm (3.0 in)	16.8 mm (0.7 in)	107 years	54 of 100 (Notable)
11 March 2009	Pullman 2 NW, US	daily snowfall	15.2 cm (6.0 in)	8.8 cm (3.5 in)	54 years	54 of 100 (Notable)
11 March 2009	Busby, US	daily snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	88 years	53 of 100 (Notable)
11 March 2009	Butte 5SE, US	monthly rain	50.8 mm (2.0 in)	15.7 mm (0.6 in)	4 years	52 of 100 (Notable)
11 March 2009	Hardy, US	daily rain	50.3 mm (2.0 in)	17.8 mm (0.7 in)	110 years	51 of 100 (Notable)
11 March 2009	Red Lake Falls, US	daily snowfall	19.1 cm (7.5 in)	8.9 cm (3.5 in)	72 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

1793 to 2009

Records set or tied on this calendar date in each year from 1793 to 2009. 2009 had 1,195 records.

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

Records on 03-11 in each year
Year	Records
1793	1
1810	3
1814	1
1822	1
1844	1
1845	2
1847	3
1849	1
1850	2
1854	3
1855	1
1858	3
1859	1
1860	2
1862	1
1863	1
1868	1
1870	1
1874	2
1877	1
1878	1
1879	2
1880	1
1881	5
1882	2
1883	1
1884	1
1885	2
1886	3
1888	4
1889	1
1890	4
1891	5
1892	3
1893	2
1894	6
1896	4
1897	4
1898	2
1899	1
1900	4
1901	13
1902	8
1903	12
1904	7
1905	6
1906	38
1907	7
1908	10
1909	26
1910	19
1911	19
1912	19
1913	22
1914	25
1915	18
1916	29
1917	49
1918	58
1919	39
1920	15
1921	66
1922	42
1923	78
1924	265
1925	264
1926	134
1927	277
1928	119
1929	210
1930	105
1931	273
1932	1,123
1933	300
1934	764
1935	520
1936	356
1937	188
1938	120
1939	569
1940	417
1941	265
1942	225
1943	251
1944	304
1945	262
1946	461
1947	234
1948	2,148
1949	329
1950	671
1951	677
1952	804
1953	330
1954	489
1955	1,103
1956	964
1957	521
1958	441
1959	189
1960	1,115
1961	353
1962	674
1963	440
1964	296
1965	386
1966	539
1967	1,272
1968	519
1969	1,093
1970	389
1971	552
1972	1,320
1973	1,406
1974	956
1975	592
1976	375
1977	1,690
1978	579
1979	891
1980	472
1981	1,539
1982	807
1983	943
1984	743
1985	829
1986	747
1987	596
1988	1,176
1989	1,894
1990	2,496
1991	532
1992	1,083
1993	561
1994	689
1995	1,138
1996	1,339
1997	1,152
1998	2,609
1999	533
2000	1,199
2001	802
2002	736
2003	935
2004	826
2005	988
2006	1,590
2007	830
2008	816
2009	1,195
2010	966
2011	734
2012	868
2013	949
2014	556
2015	897
2016	1,249
2017	483
2018	479
2019	767
2020	605
2021	980
2022	1,203
2023	984
2024	424
2025	699
2026	1,580

Download the Data

Data for records on 2009-03-11: 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	895
50 to 100	21
100 to 150	9
150 to 200	4
200 to 250	3
250 to 300	0
300 to 350	1