Weather Records on 9 March 2011

958 weather records were set or tied worldwide on 9 March 2011. Highest significance: Langhorne Creek, AU.

Key Facts for 9 March 2011

On 9 March 2011, 958 weather records were set or tied at long-record stations worldwide.
181 were record highs and 104 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 30 monthly and 924 daily.
Langhorne Creek set a daily record precipitation of 59.0 mm (2.3 in) on 9 March 2011.
Across 169 earlier years (1798 to 2026) the same calendar date averaged 482 records.

Record Map

958 stations

958 station records on 9 March 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 March 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Langhorne Creek	Australia	Record daily precipitation	59.0 mm (2.3 in)	80 of 100 (Exceptional)
Macclesfield	Australia	Record daily precipitation	47.2 mm (1.9 in)	79 of 100 (Major)
Williamstown	Australia	Record daily precipitation	55.0 mm (2.2 in)	79 of 100 (Major)
Swan Reach	Australia	Record daily precipitation	54.0 mm (2.1 in)	78 of 100 (Major)
Brookhaven City	United States	Record daily precipitation	162.6 mm (6.4 in)	78 of 100 (Major)
Shubuta	United States	Record daily precipitation	166.9 mm (6.6 in)	77 of 100 (Major)
Mannum Council Depot	Australia	Record daily precipitation	45.8 mm (1.8 in)	76 of 100 (Major)
D'Lo 2 SW	United States	Record daily precipitation	114.8 mm (4.5 in)	75 of 100 (Major)
Palmer	Australia	Record daily precipitation	54.0 mm (2.1 in)	74 of 100 (Major)
Mount Pleasant	Australia	Record daily precipitation	70.4 mm (2.8 in)	73 of 100 (Major)
Lameroo Comparison	Australia	Record daily precipitation	39.2 mm (1.5 in)	73 of 100 (Major)
Mayville	United States	Record daily snowfall	18.0 cm (7.1 in)	70 of 100 (Major)
Cudlee Creek (Millbrook)	Australia	Record daily precipitation	64.0 mm (2.5 in)	69 of 100 (Major)
Clarion	United States	Record daily precipitation	101.6 mm (4.0 in)	69 of 100 (Major)
Adelaide (Salisbury Bowling Cl	Australia	Record daily precipitation	38.0 mm (1.5 in)	68 of 100 (Major)
Trenton Falls	United States	Record snow depth	48.3 cm (19.0 in)	67 of 100 (Major)
Adelaide (Morphett Vale)	Australia	Record daily precipitation	40.0 mm (1.6 in)	66 of 100 (Major)
Redhill	Australia	Record daily precipitation	36.0 mm (1.4 in)	65 of 100 (Major)
Rosedale (Turretfield Research	Australia	Record daily precipitation	30.4 mm (1.2 in)	65 of 100 (Major)
Kowanyama Airport	Australia	Record daily precipitation	132.8 mm (5.2 in)	65 of 100 (Major)
Lobethal	Australia	Record daily precipitation	32.2 mm (1.3 in)	64 of 100 (Major)
Meadows	Australia	Record daily precipitation	38.0 mm (1.5 in)	64 of 100 (Major)
Strathalbyn	Australia	Record daily precipitation	32.8 mm (1.3 in)	63 of 100 (Major)
Tanunda	Australia	Record daily precipitation	30.0 mm (1.2 in)	62 of 100 (Major)
Mulgundawa Salt	Australia	Record daily precipitation	42.0 mm (1.7 in)	62 of 100 (Major)
Seattle Boeing Fld	United States	Record daily precipitation	37.8 mm (1.5 in)	62 of 100 (Major)
Manoora	Australia	Record daily precipitation	30.0 mm (1.2 in)	61 of 100 (Major)
Winfield 2 SW	United States	Record daily precipitation	94.5 mm (3.7 in)	60 of 100 (Major)
Hattiesburg 5SW	United States	Record daily precipitation	166.4 mm (6.6 in)	60 of 100 (Major)
Laurel	United States	Record daily precipitation	88.9 mm (3.5 in)	60 of 100 (Major)
Parafield Airport	Australia	Record daily precipitation	33.0 mm (1.3 in)	59 of 100 (Notable)
Waynesboro 2 W	United States	Record daily precipitation	90.9 mm (3.6 in)	58 of 100 (Notable)
Harrogate	Australia	Record daily precipitation	28.4 mm (1.1 in)	57 of 100 (Notable)
Gellibrand River Forestry	Australia	Record daily precipitation	43.0 mm (1.7 in)	57 of 100 (Notable)
Pascagoula 3 NE	United States	Record daily precipitation	97.8 mm (3.9 in)	57 of 100 (Notable)
Tailem Bend	Australia	Record daily precipitation	25.6 mm (1.0 in)	56 of 100 (Notable)
Eudunda (Moondah)	Australia	Record daily precipitation	53.0 mm (2.1 in)	56 of 100 (Notable)
Joplin	United States	Record snow depth	45.7 cm (18.0 in)	56 of 100 (Notable)
Sedan	Australia	Record daily precipitation	35.0 mm (1.4 in)	55 of 100 (Notable)
Childersburg Wtp	United States	Record daily precipitation	103.9 mm (4.1 in)	55 of 100 (Notable)
State UNIV	United States	Record daily precipitation	79.8 mm (3.1 in)	55 of 100 (Notable)
Adelaide (Tea Tree Gully Counc	Australia	Record daily precipitation	35.0 mm (1.4 in)	54 of 100 (Notable)
Dergholm (Hillgrove)	Australia	Record daily precipitation	34.2 mm (1.3 in)	54 of 100 (Notable)
Happy Valley Reservoir	Australia	Record daily precipitation	25.6 mm (1.0 in)	53 of 100 (Notable)
Tibooburra (Fort Grey)	Australia	Record daily precipitation	39.4 mm (1.6 in)	53 of 100 (Notable)
Warrior L&D	United States	Record daily precipitation	89.7 mm (3.5 in)	53 of 100 (Notable)
Gumeracha	Australia	Record daily precipitation	47.6 mm (1.9 in)	52 of 100 (Notable)
Keith	Australia	Record daily precipitation	50.6 mm (2.0 in)	52 of 100 (Notable)
Umberumberka Reservoir	Australia	Record daily precipitation	30.8 mm (1.2 in)	52 of 100 (Notable)
Murrayville	Australia	Record daily precipitation	34.0 mm (1.3 in)	52 of 100 (Notable)
Terry	United States	Record snow depth	17.8 cm (7.0 in)	52 of 100 (Notable)
New Orleans AP	United States	Record daily precipitation	97.3 mm (3.8 in)	52 of 100 (Notable)
Anniston Metro AP	United States	Record daily precipitation	93.5 mm (3.7 in)	52 of 100 (Notable)
Birdwood	Australia	Record daily precipitation	48.8 mm (1.9 in)	51 of 100 (Notable)
Truro	Australia	Record daily precipitation	40.0 mm (1.6 in)	51 of 100 (Notable)
Karoonda	Australia	Record daily precipitation	49.8 mm (2.0 in)	51 of 100 (Notable)
Sandalwood	Australia	Record daily precipitation	79.0 mm (3.1 in)	51 of 100 (Notable)
Broken Hill (Patton Street)	Australia	Record daily precipitation	64.2 mm (2.5 in)	51 of 100 (Notable)
Columbia	United States	Record daily precipitation	104.1 mm (4.1 in)	51 of 100 (Notable)
Purnong (Claypans)	Australia	Record daily precipitation	66.5 mm (2.6 in)	50 of 100 (Notable)

Counts by Type and Timescale

958 records

Records set or tied on 9 March 2011 by type: Highest daily maximum 116, Lowest daily maximum 45, Highest daily minimum 65, Lowest daily minimum 59, Heaviest daily rainfall 549, Heaviest daily snowfall 51, Deepest snow cover 73.

Records on 9 March 2011 by type
Record type	Records
Highest daily maximum	116
Lowest daily maximum	45
Highest daily minimum	65
Lowest daily minimum	59
Heaviest daily rainfall	549
Heaviest daily snowfall	51
Deepest snow cover	73

Records on 9 March 2011 by timescale: all-time 4, monthly 30, daily 924.

How Much Records Were Beaten By

797 broken records

Margins by which the 797 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 483.0. Ties are not counted.

Top 20 by Significance

9 March 2011

Top 20 records on 9 March 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 March 2011	Langhorne Creek, AU	daily rain	59.0 mm (2.3 in)	45.0 mm (1.8 in)	108 years	80 of 100 (Exceptional)
9 March 2011	Macclesfield, AU	daily rain	47.2 mm (1.9 in)	29.4 mm (1.2 in)	98 years	79 of 100 (Major)
9 March 2011	Williamstown, AU	daily rain	55.0 mm (2.2 in)	43.3 mm (1.7 in)	98 years	79 of 100 (Major)
9 March 2011	Swan Reach, AU	daily rain	54.0 mm (2.1 in)	35.7 mm (1.4 in)	98 years	78 of 100 (Major)
9 March 2011	Brookhaven City, US	daily rain	162.6 mm (6.4 in)	79.5 mm (3.1 in)	108 years	78 of 100 (Major)
9 March 2011	Shubuta, US	daily rain	166.9 mm (6.6 in)	104.7 mm (4.1 in)	92 years	77 of 100 (Major)
9 March 2011	Mannum Council Depot, AU	daily rain	45.8 mm (1.8 in)	30.8 mm (1.2 in)	98 years	76 of 100 (Major)
9 March 2011	D'Lo 2 SW, US	daily rain	114.8 mm (4.5 in)	77.7 mm (3.1 in)	89 years	75 of 100 (Major)
9 March 2011	Palmer, AU	daily rain	54.0 mm (2.1 in)	29.9 mm (1.2 in)	98 years	74 of 100 (Major)
9 March 2011	Mount Pleasant, AU	monthly rain	70.4 mm (2.8 in)	15.8 mm (0.6 in)	101 years	73 of 100 (Major)
9 March 2011	Lameroo Comparison, AU	daily rain	39.2 mm (1.5 in)	25.2 mm (1.0 in)	108 years	73 of 100 (Major)
9 March 2011	Mayville, US	daily snowfall	18.0 cm (7.1 in)	15.5 cm (6.1 in)	84 years	70 of 100 (Major)
9 March 2011	Cudlee Creek (Millbrook), AU	daily rain	64.0 mm (2.5 in)	53.8 mm (2.1 in)	66 years	69 of 100 (Major)
9 March 2011	Clarion, US	monthly rain	101.6 mm (4.0 in)	35.6 mm (1.4 in)	44 years	69 of 100 (Major)
9 March 2011	Adelaide (Salisbury Bowling Cl, AU	daily rain	38.0 mm (1.5 in)	27.6 mm (1.1 in)	78 years	68 of 100 (Major)
9 March 2011	Trenton Falls, US	daily snow depth	48.3 cm (19.0 in)	48.3 cm (19.0 in)	60 years	67 of 100 (Major)
9 March 2011	Adelaide (Morphett Vale), AU	daily rain	40.0 mm (1.6 in)	19.7 mm (0.8 in)	108 years	66 of 100 (Major)
9 March 2011	Redhill, AU	daily rain	36.0 mm (1.4 in)	21.8 mm (0.9 in)	102 years	65 of 100 (Major)
9 March 2011	Rosedale (Turretfield Research, AU	daily rain	30.4 mm (1.2 in)	18.0 mm (0.7 in)	102 years	65 of 100 (Major)
9 March 2011	Kowanyama Airport, AU	daily rain	132.8 mm (5.2 in)	74.1 mm (2.9 in)	70 years	65 of 100 (Major)

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

1798 to 2011

Records set or tied on this calendar date in each year from 1798 to 2011. 2011 had 958 records.

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

Records on 03-09 in each year
Year	Records
1798	1
1807	1
1808	2
1811	3
1813	2
1814	1
1815	1
1824	1
1834	1
1839	1
1840	1
1845	3
1846	1
1847	1
1849	1
1850	2
1855	1
1858	1
1860	1
1862	2
1863	2
1864	3
1866	1
1867	1
1869	1
1871	2
1872	1
1878	1
1880	2
1881	2
1882	3
1883	1
1885	1
1886	3
1888	1
1890	9
1891	4
1892	6
1893	6
1895	1
1896	3
1897	5
1898	2
1899	2
1901	3
1902	9
1903	29
1904	8
1905	7
1906	11
1907	6
1908	36
1909	14
1910	21
1911	35
1912	25
1913	100
1914	66
1915	39
1916	53
1917	52
1918	32
1919	57
1920	23
1921	89
1922	31
1923	148
1924	104
1925	211
1926	133
1927	107
1928	187
1929	210
1930	114
1931	387
1932	1,604
1933	136
1934	266
1935	288
1936	350
1937	172
1938	209
1939	400
1940	263
1941	366
1942	453
1943	679
1944	685
1945	107
1946	249
1947	249
1948	857
1949	436
1950	382
1951	777
1952	266
1953	338
1954	689
1955	629
1956	452
1957	547
1958	534
1959	138
1960	1,155
1961	416
1962	552
1963	349
1964	1,148
1965	305
1966	478
1967	731
1968	771
1969	858
1970	403
1971	457
1972	957
1973	930
1974	1,694
1975	639
1976	635
1977	1,418
1978	952
1979	856
1980	444
1981	1,199
1982	879
1983	996
1984	1,365
1985	710
1986	965
1987	1,043
1988	743
1989	1,504
1990	1,140
1991	447
1992	1,377
1993	658
1994	1,897
1995	1,910
1996	3,236
1997	759
1998	1,710
1999	1,369
2000	2,384
2001	838
2002	1,514
2003	1,120
2004	1,162
2005	937
2006	1,129
2007	634
2008	1,201
2009	1,110
2010	1,409
2011	958
2012	909
2013	1,015
2014	982
2015	655
2016	1,285
2017	678
2018	435
2019	901
2020	759
2021	746
2022	1,209
2023	1,119
2024	536
2025	656
2026	1,050

Download the Data

Data for records on 2011-03-09: 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 100	774
100 to 200	18
200 to 300	2
300 to 400	2
400 to 500	1