Weather Records on 20 March 2011

1,003 weather records were set or tied worldwide on 20 March 2011. Highest significance: Marrickville Golf Club, AU.

Key Facts for 20 March 2011

On 20 March 2011, 1,003 weather records were set or tied at long-record stations worldwide.
374 were record highs and 143 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 31 monthly and 966 daily.
Marrickville Golf Club set a daily record precipitation of 90.0 mm (3.5 in) on 20 March 2011.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 452 records.

Record Map

1,003 stations

1,003 station records on 20 March 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Marrickville Golf Club	Australia	Record daily precipitation	90.0 mm (3.5 in)	79 of 100 (Major)
Mineral	United States	Record daily snowfall	71.1 cm (28.0 in)	72 of 100 (Major)
Ojai	United States	Record daily precipitation	132.1 mm (5.2 in)	67 of 100 (Major)
Santa Barbara	United States	Record daily precipitation	114.8 mm (4.5 in)	65 of 100 (Major)
Twitchell Dam	United States	Record daily precipitation	108.7 mm (4.3 in)	65 of 100 (Major)
Hallett	Australia	Record daily precipitation	52.8 mm (2.1 in)	63 of 100 (Major)
Petaluma AP	United States	Record daily precipitation	43.4 mm (1.7 in)	62 of 100 (Major)
Wishek	United States	Record snow depth	104.1 cm (41.0 in)	62 of 100 (Major)
Priest Valley	United States	Record daily precipitation	111.8 mm (4.4 in)	61 of 100 (Major)
Condamine	Australia	Record daily precipitation	175.0 mm (6.9 in)	59 of 100 (Notable)
Lone Rock Tri Co AP	United States	Record daily precipitation	36.6 mm (1.4 in)	59 of 100 (Notable)
Keeroongooloo	Australia	Record daily precipitation	42.0 mm (1.7 in)	58 of 100 (Notable)
Pennant Hills (Yarrara Road)	Australia	Record daily precipitation	118.4 mm (4.7 in)	58 of 100 (Notable)
Burbank Valley Pump Plt	United States	Record daily precipitation	127.0 mm (5.0 in)	58 of 100 (Notable)
Manzanita Lake	United States	Record daily snowfall	50.8 cm (20.0 in)	58 of 100 (Notable)
Mound Valley 3 WSW	United States	Record daily precipitation	81.8 mm (3.2 in)	58 of 100 (Notable)
Hiltaba	Australia	Record daily precipitation	29.5 mm (1.2 in)	56 of 100 (Notable)
Winters	United States	Record daily precipitation	40.6 mm (1.6 in)	56 of 100 (Notable)
Comet Post Office	Australia	Record daily precipitation	53.0 mm (2.1 in)	55 of 100 (Notable)
Middletown	United States	Record daily precipitation	76.2 mm (3.0 in)	55 of 100 (Notable)
Lock (Terrah Winds)	Australia	Record daily precipitation	32.2 mm (1.3 in)	54 of 100 (Notable)
Roseberth Station	Australia	Record daily precipitation	57.0 mm (2.2 in)	54 of 100 (Notable)
Cromer Golf Club	Australia	Record daily precipitation	122.2 mm (4.8 in)	54 of 100 (Notable)
Rose Bay (Royal Sydney Golf Cl	Australia	Record daily precipitation	107.2 mm (4.2 in)	54 of 100 (Notable)
Gibraltar Dam #2	United States	Record daily precipitation	165.1 mm (6.5 in)	54 of 100 (Notable)
Kumbia Post Office	Australia	Record daily precipitation	57.0 mm (2.2 in)	53 of 100 (Notable)
Withcott	Australia	Record daily precipitation	62.8 mm (2.5 in)	53 of 100 (Notable)
Auberry 2 NW	United States	Record daily precipitation	71.1 mm (2.8 in)	53 of 100 (Notable)
Rockford Gtr Rockford AP	United States	Record daily precipitation	42.4 mm (1.7 in)	53 of 100 (Notable)
Kuyura	Australia	Record daily precipitation	44.6 mm (1.8 in)	52 of 100 (Notable)
Gosford North (Glennie St)	Australia	Record daily precipitation	95.4 mm (3.8 in)	52 of 100 (Notable)
Leonard Creek Rch - Denio 33S	United States	Record daily precipitation	27.4 mm (1.1 in)	52 of 100 (Notable)
Sandberg	United States	Record daily precipitation	83.6 mm (3.3 in)	52 of 100 (Notable)
Doctors Creek	Australia	Record daily precipitation	53.6 mm (2.1 in)	51 of 100 (Notable)
Revesby (Paten Street)	Australia	Record daily precipitation	73.6 mm (2.9 in)	51 of 100 (Notable)
Woonona (Popes Rd)	Australia	Record daily precipitation	122.0 mm (4.8 in)	51 of 100 (Notable)
Quincy	United States	Record daily snowfall	21.6 cm (8.5 in)	51 of 100 (Notable)
Fresno Yosemite Intl	United States	Record daily precipitation	46.2 mm (1.8 in)	51 of 100 (Notable)
New Caledonia	Australia	Record daily precipitation	64.6 mm (2.5 in)	50 of 100 (Notable)
Dingle Dell	Australia	Record daily precipitation	85.0 mm (3.3 in)	50 of 100 (Notable)
Strathdee	Australia	Record daily precipitation	61.0 mm (2.4 in)	50 of 100 (Notable)
Sovatnet	Norway	Record daily precipitation	52.5 mm (2.1 in)	50 of 100 (Notable)
Mineral	United States	Record daily precipitation	73.7 mm (2.9 in)	50 of 100 (Notable)
Glendower Station	Australia	Record daily precipitation	46.0 mm (1.8 in)	49 of 100 (Notable)
Davis 2 WSW Exp Farm	United States	Record daily precipitation	26.9 mm (1.1 in)	49 of 100 (Notable)
Woodland 1 WNW	United States	Record daily precipitation	39.4 mm (1.6 in)	49 of 100 (Notable)
Carinya	Australia	Record daily precipitation	73.0 mm (2.9 in)	48 of 100 (Notable)
Carbean	Australia	Record daily precipitation	57.0 mm (2.2 in)	48 of 100 (Notable)
Quendon	Australia	Record daily precipitation	44.0 mm (1.7 in)	48 of 100 (Notable)
Oakey Aero	Australia	Record daily precipitation	38.6 mm (1.5 in)	48 of 100 (Notable)
Yosemite Park HQ	United States	Record daily precipitation	66.0 mm (2.6 in)	48 of 100 (Notable)
Yardea	Australia	Record daily precipitation	30.4 mm (1.2 in)	47 of 100 (Notable)
Taroom Post Office	Australia	Record daily precipitation	40.0 mm (1.6 in)	47 of 100 (Notable)
Glenaven	Australia	Record daily precipitation	57.2 mm (2.3 in)	47 of 100 (Notable)
Victory Downs	Australia	Record daily precipitation	48.0 mm (1.9 in)	47 of 100 (Notable)
Callahan	United States	Record snow depth	33.0 cm (13.0 in)	47 of 100 (Notable)
Mount Wedge	Australia	Record daily precipitation	25.0 mm (1.0 in)	46 of 100 (Notable)
Newark	United States	Record daily precipitation	29.0 mm (1.1 in)	46 of 100 (Notable)
Woodbine	Australia	Record daily precipitation	75.0 mm (3.0 in)	45 of 100 (Notable)
Builyan Gum Street	Australia	Record daily precipitation	108.8 mm (4.3 in)	45 of 100 (Notable)

Counts by Type and Timescale

1,003 records

Records set or tied on 20 March 2011 by type: Highest daily maximum 217, Lowest daily maximum 94, Highest daily minimum 157, Lowest daily minimum 49, Heaviest daily rainfall 444, Heaviest daily snowfall 24, Deepest snow cover 18.

Records on 20 March 2011 by type
Record type	Records
Highest daily maximum	217
Lowest daily maximum	94
Highest daily minimum	157
Lowest daily minimum	49
Heaviest daily rainfall	444
Heaviest daily snowfall	24
Deepest snow cover	18

Records on 20 March 2011 by timescale: all-time 6, monthly 31, daily 966.

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 736.0. Ties are not counted.

Top 20 by Significance

20 March 2011

Top 20 records on 20 March 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 2011	Marrickville Golf Club, AU	daily rain	90.0 mm (3.5 in)	69.7 mm (2.7 in)	96 years	79 of 100 (Major)
20 March 2011	Mineral, US	daily snowfall	71.1 cm (28.0 in)	45.7 cm (18.0 in)	76 years	72 of 100 (Major)
20 March 2011	Ojai, US	daily rain	132.1 mm (5.2 in)	87.1 mm (3.4 in)	56 years	67 of 100 (Major)
20 March 2011	Santa Barbara, US	daily rain	114.8 mm (4.5 in)	42.7 mm (1.7 in)	117 years	65 of 100 (Major)
20 March 2011	Twitchell Dam, US	monthly rain	108.7 mm (4.3 in)	46.2 mm (1.8 in)	37 years	65 of 100 (Major)
20 March 2011	Hallett, AU	monthly rain	52.8 mm (2.1 in)	9.6 mm (0.38 in)	126 years	63 of 100 (Major)
20 March 2011	Petaluma AP, US	daily rain	43.4 mm (1.7 in)	23.1 mm (0.9 in)	115 years	62 of 100 (Major)
20 March 2011	Wishek, US	daily snow depth	104.1 cm (41.0 in)	73.6 cm (29.0 in)	41 years	62 of 100 (Major)
20 March 2011	Priest Valley, US	daily rain	111.8 mm (4.4 in)	61.8 mm (2.4 in)	37 years	61 of 100 (Major)
20 March 2011	Condamine, AU	all-time rain	175.0 mm (6.9 in)	22.6 mm (0.9 in)	72 years	59 of 100 (Notable)
20 March 2011	Lone Rock Tri Co AP, US	daily rain	36.6 mm (1.4 in)	24.7 mm (1.0 in)	44 years	59 of 100 (Notable)
20 March 2011	Keeroongooloo, AU	daily rain	42.0 mm (1.7 in)	33.1 mm (1.3 in)	105 years	58 of 100 (Notable)
20 March 2011	Pennant Hills (Yarrara Road), AU	daily rain	118.4 mm (4.7 in)	70.9 mm (2.8 in)	48 years	58 of 100 (Notable)
20 March 2011	Burbank Valley Pump Plt, US	daily rain	127.0 mm (5.0 in)	97.8 mm (3.9 in)	37 years	58 of 100 (Notable)
20 March 2011	Manzanita Lake, US	daily snowfall	50.8 cm (20.0 in)	30.5 cm (12.0 in)	57 years	58 of 100 (Notable)
20 March 2011	Mound Valley 3 WSW, US	daily rain	81.8 mm (3.2 in)	49.5 mm (1.9 in)	56 years	58 of 100 (Notable)
20 March 2011	Hiltaba, AU	daily rain	29.5 mm (1.2 in)	15.8 mm (0.6 in)	84 years	56 of 100 (Notable)
20 March 2011	Winters, US	daily rain	40.6 mm (1.6 in)	18.0 mm (0.7 in)	101 years	56 of 100 (Notable)
20 March 2011	Comet Post Office, AU	daily rain	53.0 mm (2.1 in)	34.5 mm (1.4 in)	80 years	55 of 100 (Notable)
20 March 2011	Middletown, US	daily rain	76.2 mm (3.0 in)	30.5 mm (1.2 in)	115 years	55 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

1808 to 2011

Records set or tied on this calendar date in each year from 1808 to 2011. 2011 had 1,003 records.

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

Records on 03-20 in each year
Year	Records
1808	3
1818	1
1822	2
1830	1
1834	1
1838	1
1845	1
1849	3
1850	1
1852	1
1853	1
1858	1
1862	1
1865	11
1866	1
1870	1
1872	2
1873	1
1874	2
1875	2
1876	2
1879	2
1881	2
1882	2
1883	1
1884	2
1885	3
1886	2
1887	3
1888	5
1889	5
1890	1
1892	1
1893	2
1894	5
1895	2
1896	5
1897	2
1898	5
1899	9
1900	8
1901	6
1902	13
1903	34
1904	12
1905	6
1906	16
1907	17
1908	4
1909	6
1910	20
1911	35
1912	12
1913	42
1914	51
1915	22
1916	46
1917	49
1918	40
1919	31
1920	52
1921	93
1922	49
1923	275
1924	76
1925	121
1926	103
1927	298
1928	258
1929	56
1930	86
1931	492
1932	117
1933	354
1934	243
1935	408
1936	245
1937	220
1938	394
1939	240
1940	486
1941	390
1942	325
1943	378
1944	611
1945	636
1946	435
1947	299
1948	697
1949	352
1950	367
1951	788
1952	589
1953	350
1954	303
1955	719
1956	527
1957	516
1958	467
1959	293
1960	594
1961	332
1962	363
1963	447
1964	525
1965	2,020
1966	367
1967	784
1968	819
1969	374
1970	912
1971	377
1972	635
1973	422
1974	755
1975	932
1976	989
1977	352
1978	863
1979	712
1980	458
1981	712
1982	1,189
1983	1,179
1984	775
1985	636
1986	666
1987	867
1988	1,044
1989	793
1990	1,496
1991	1,205
1992	654
1993	1,014
1994	1,040
1995	857
1996	1,147
1997	1,801
1998	963
1999	793
2000	894
2001	1,048
2002	1,698
2003	1,166
2004	1,701
2005	602
2006	1,353
2007	1,053
2008	993
2009	445
2010	1,264
2011	1,003
2012	3,051
2013	762
2014	800
2015	521
2016	450
2017	1,331
2018	587
2019	530
2020	1,006
2021	487
2022	667
2023	975
2024	520
2025	848
2026	3,126

Download the Data

Data for records on 2011-03-20: 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 2026-10-16 (16 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	781
100 to 200	10
200 to 300	3
300 to 400	1
400 to 500	1
500 to 600	0
600 to 700	0
700 to 800	1