Weather Records on 17 March 2011

926 weather records were set or tied worldwide on 17 March 2011. Highest significance: Port Blair, IN.

Key Facts for 17 March 2011

On 17 March 2011, 926 weather records were set or tied at long-record stations worldwide.
449 were record highs and 180 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 20 monthly and 904 daily.
Port Blair set a monthly record daily precipitation of 163.1 mm (6.4 in) on 17 March 2011.
Across 161 earlier years (1825 to 2026) the same calendar date averaged 472 records.

Record Map

926 stations

926 station records on 17 March 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 March 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Port Blair	India	Record daily precipitation	163.1 mm (6.4 in)	63 of 100 (Major)
Trenton Falls	United States	Record snow depth	27.9 cm (11.0 in)	54 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record daily precipitation	43.7 mm (1.7 in)	52 of 100 (Notable)
Willow Creek Pass	United States	Record daily precipitation	30.5 mm (1.2 in)	51 of 100 (Notable)
Schwaigermoos	Germany	Record daily precipitation	32.8 mm (1.3 in)	50 of 100 (Notable)
Nakhon Ratchasima	Thailand	Record low maximum temperature	21.3 C (70.3 F)	49 of 100 (Notable)
Altomunster-Maisbrunn	Germany	Record daily precipitation	34.4 mm (1.4 in)	48 of 100 (Notable)
Ny-Alesund	Norway	Record daily precipitation	31.1 mm (1.2 in)	47 of 100 (Notable)
Mae Sot	Thailand	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Hambantota	Sri Lanka	Record high maximum temperature	34.4 C (93.9 F)	44 of 100 (Notable)
Szombathely	Hungary	Record high minimum temperature	9.2 C (48.6 F)	44 of 100 (Notable)
Chiang Rai	Thailand	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Trinidad	Australia	Record daily precipitation	67.2 mm (2.6 in)	43 of 100 (Notable)
Weihenstephan-Durnast	Germany	Record daily precipitation	34.5 mm (1.4 in)	43 of 100 (Notable)
Khon Kaen	Thailand	Record low maximum temperature	20.8 C (69.4 F)	43 of 100 (Notable)
Bangkok Metropolis	Thailand	Record low minimum temperature	17.6 C (63.7 F)	42 of 100 (Notable)
Tuba City	United States	Record high minimum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Castle Rock	United States	Record high minimum temperature	6.1 C (43.0 F)	42 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	14.7 C (58.5 F)	41 of 100 (Notable)
Kr.Rottal-Inn Falkenberg	Germany	Record daily precipitation	28.3 mm (1.1 in)	41 of 100 (Notable)
Mae Sariang	Thailand	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Paradise	United States	Record high maximum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Buena Vista 2S	United States	Record high minimum temperature	4.4 C (39.9 F)	41 of 100 (Notable)
Hayward Rs	United States	Record high minimum temperature	5.6 C (42.1 F)	41 of 100 (Notable)
Mount Gambier Post Office	Australia	Record low minimum temperature	4.8 C (40.6 F)	40 of 100 (Notable)
Surin	Thailand	Record low maximum temperature	25.1 C (77.2 F)	40 of 100 (Notable)
Sarajevo	Bosnia and Herzegovina	Record high minimum temperature	9.2 C (48.6 F)	39 of 100 (Notable)
Prachuap Khiri Khan	Thailand	Record low maximum temperature	25.8 C (78.4 F)	39 of 100 (Notable)
Delphi 2 N	United States	Record daily precipitation	50.0 mm (2.0 in)	39 of 100 (Notable)
Richfield	United States	Record high maximum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Portales	United States	Record high maximum temperature	30.0 C (86.0 F)	39 of 100 (Notable)
Albany	United States	Record high minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Burro Mountain	United States	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Eyre	Australia	Record daily precipitation	81.2 mm (3.2 in)	38 of 100 (Notable)
Sanya	China	Record low minimum temperature	14.5 C (58.1 F)	38 of 100 (Notable)
Phitsanulok/Sarit	Thailand	Record low minimum temperature	15.3 C (59.5 F)	38 of 100 (Notable)
Aranyaprathet	Thailand	Record low maximum temperature	26.2 C (79.2 F)	38 of 100 (Notable)
Castle Rock	United States	Record high maximum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Bristow	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Pawhuska	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Saginaw Mbs Intl AP	United States	Record high minimum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Khlong Yai	Thailand	Record low maximum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
Ft Robinson	United States	Record high maximum temperature	22.8 C (73.0 F)	37 of 100 (Notable)
Orogrande	United States	Record high maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Okemah	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Bandon 2 NNE	United States	Record low maximum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Innamincka Station	Australia	Record daily precipitation	34.8 mm (1.4 in)	36 of 100 (Notable)
Sattahip	Thailand	Record low maximum temperature	25.7 C (78.3 F)	36 of 100 (Notable)
Geneva	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Kanab	United States	Record high minimum temperature	7.2 C (45.0 F)	36 of 100 (Notable)
Snake Rvr	United States	Record daily snowfall	22.9 cm (9.0 in)	36 of 100 (Notable)
Manfred Downs Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
Salina	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Chumphon	Thailand	Record low maximum temperature	28.0 C (82.4 F)	34 of 100 (Routine)
Tower Falls	United States	Record daily snowfall	17.0 cm (6.7 in)	34 of 100 (Routine)
Wichita Falls Muni AP	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Milwaukee Mitchell AP	United States	Record high minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Muskegon Co AP	United States	Record high minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Meeker	United States	Record daily snowfall	15.7 cm (6.2 in)	33 of 100 (Routine)
Silverton	United States	Record high minimum temperature	0.0 C (32.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

926 records

Records set or tied on 17 March 2011 by type: Highest daily maximum 191, Lowest daily maximum 96, Highest daily minimum 258, Lowest daily minimum 84, Heaviest daily rainfall 266, Heaviest daily snowfall 16, Deepest snow cover 15.

Records on 17 March 2011 by type
Record type	Records
Highest daily maximum	191
Lowest daily maximum	96
Highest daily minimum	258
Lowest daily minimum	84
Heaviest daily rainfall	266
Heaviest daily snowfall	16
Deepest snow cover	15

Records on 17 March 2011 by timescale: all-time 2, monthly 20, daily 904.

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 279.0. Ties are not counted.

Top 20 by Significance

17 March 2011

Top 20 records on 17 March 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 March 2011	Port Blair, IN	monthly rain	163.1 mm (6.4 in)	67.1 mm (2.6 in)	10 years	63 of 100 (Major)
17 March 2011	Trenton Falls, US	daily snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	60 years	54 of 100 (Notable)
17 March 2011	Munchen-Nymphenburg, DE	daily rain	43.7 mm (1.7 in)	18.2 mm (0.7 in)	10 years	52 of 100 (Notable)
17 March 2011	Willow Creek Pass, US	daily rain	30.5 mm (1.2 in)	17.8 mm (0.7 in)	29 years	51 of 100 (Notable)
17 March 2011	Schwaigermoos, DE	daily rain	32.8 mm (1.3 in)	20.4 mm (0.8 in)	10 years	50 of 100 (Notable)
17 March 2011	Nakhon Ratchasima, TH	daily low max	21.3 C (70.3 F)	9.0 C (16.2 F)	53 years	49 of 100 (Notable)
17 March 2011	Altomunster-Maisbrunn, DE	daily rain	34.4 mm (1.4 in)	20.6 mm (0.8 in)	10 years	48 of 100 (Notable)
17 March 2011	Ny-Alesund, NO	daily rain	31.1 mm (1.2 in)	24.0 mm (0.9 in)	14 years	47 of 100 (Notable)
17 March 2011	Mae Sot, TH	daily rain	62.2 mm (2.4 in)	57.4 mm (2.3 in)	1 year	46 of 100 (Notable)
17 March 2011	Hambantota, LK	daily high max	34.4 C (93.9 F)	0.5 C (0.9 F)	108 years	44 of 100 (Notable)
17 March 2011	Szombathely, HU	daily high min	9.2 C (48.6 F)	1.7 C (3.1 F)	104 years	44 of 100 (Notable)
17 March 2011	Chiang Rai, TH	daily rain	40.6 mm (1.6 in)	27.1 mm (1.1 in)	53 years	44 of 100 (Notable)
17 March 2011	Trinidad, AU	daily rain	67.2 mm (2.6 in)	49.6 mm (2.0 in)	36 years	43 of 100 (Notable)
17 March 2011	Weihenstephan-Durnast, DE	monthly rain	34.5 mm (1.4 in)	3.7 mm (0.15 in)	59 years	43 of 100 (Notable)
17 March 2011	Khon Kaen, TH	daily low max	20.8 C (69.4 F)	7.6 C (13.7 F)	53 years	43 of 100 (Notable)
17 March 2011	Bangkok Metropolis, TH	daily low min	17.6 C (63.7 F)	3.6 C (6.5 F)	56 years	42 of 100 (Notable)
17 March 2011	Tuba City, US	daily high min	17.2 C (63.0 F)	1.1 C (2.0 F)	102 years	42 of 100 (Notable)
17 March 2011	Castle Rock, US	daily high min	6.1 C (43.0 F)	1.7 C (3.1 F)	102 years	42 of 100 (Notable)
17 March 2011	Nemours (Ghazaouet), DZ	daily high min	14.7 C (58.5 F)	0.3 C (0.5 F)	126 years	41 of 100 (Notable)
17 March 2011	Kr.Rottal-Inn Falkenberg, DE	daily rain	28.3 mm (1.1 in)	9.7 mm (0.38 in)	50 years	41 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

1825 to 2011

Records set or tied on this calendar date in each year from 1825 to 2011. 2011 had 926 records.

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

Records on 03-17 in each year
Year	Records
1825	2
1839	1
1845	1
1850	2
1852	1
1853	1
1856	1
1857	1
1863	1
1866	2
1867	1
1869	1
1870	1
1872	1
1874	3
1876	1
1877	2
1878	3
1879	1
1881	1
1882	4
1883	1
1884	3
1885	3
1886	1
1887	3
1888	2
1889	3
1890	2
1892	1
1895	5
1896	2
1897	9
1898	14
1899	5
1900	5
1901	4
1902	16
1903	10
1904	11
1905	10
1906	15
1907	14
1908	20
1909	20
1910	17
1911	7
1912	7
1913	31
1914	28
1915	22
1916	40
1917	52
1918	26
1919	86
1920	50
1921	96
1922	49
1923	130
1924	78
1925	143
1926	185
1927	369
1928	230
1929	85
1930	306
1931	124
1932	484
1933	198
1934	368
1935	259
1936	601
1937	455
1938	394
1939	583
1940	250
1941	689
1942	783
1943	500
1944	288
1945	1,345
1946	810
1947	332
1948	340
1949	178
1950	1,105
1951	489
1952	527
1953	236
1954	365
1955	385
1956	573
1957	327
1958	535
1959	471
1960	814
1961	679
1962	321
1963	738
1964	241
1965	1,115
1966	970
1967	856
1968	849
1969	651
1970	768
1971	361
1972	1,013
1973	943
1974	837
1975	475
1976	534
1977	479
1978	787
1979	507
1980	658
1981	679
1982	1,315
1983	912
1984	599
1985	662
1986	551
1987	1,362
1988	1,325
1989	1,082
1990	1,916
1991	756
1992	740
1993	1,608
1994	822
1995	989
1996	689
1997	895
1998	972
1999	688
2000	792
2001	1,349
2002	1,210
2003	1,244
2004	1,406
2005	1,475
2006	579
2007	1,470
2008	955
2009	717
2010	584
2011	926
2012	2,715
2013	723
2014	1,039
2015	1,145
2016	545
2017	847
2018	891
2019	738
2020	454
2021	502
2022	452
2023	875
2024	668
2025	722
2026	2,522

Download the Data

Data for records on 2011-03-17: 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 50	726
50 to 100	10
100 to 150	1
150 to 200	1
200 to 250	1
250 to 300	1