Weather Records on 15 April 2011

1,162 weather records were set or tied worldwide on 15 April 2011. Highest significance: Wallace 2W, US.

Key Facts for 15 April 2011

On 15 April 2011, 1,162 weather records were set or tied at long-record stations worldwide.
402 were record highs and 181 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 41 monthly and 1,117 daily.
Wallace 2W set a daily record snowfall of 17.8 cm (7.0 in) on 15 April 2011.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 489 records.

Record Map

1,162 stations

1,162 station records on 15 April 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wallace 2W	United States	Record daily snowfall	17.8 cm (7.0 in)	77 of 100 (Major)
Palisade	United States	Record daily snowfall	17.8 cm (7.0 in)	76 of 100 (Major)
Pollock	United States	Record daily snowfall	17.8 cm (7.0 in)	72 of 100 (Major)
Bowdle	United States	Record daily snowfall	21.6 cm (8.5 in)	70 of 100 (Major)
Mahnomen	United States	Record daily snowfall	14.0 cm (5.5 in)	67 of 100 (Major)
Paxton	United States	Record daily snowfall	40.6 cm (16.0 in)	67 of 100 (Major)
Ipswich	United States	Record daily snowfall	15.2 cm (6.0 in)	67 of 100 (Major)
Stephan 2 NW	United States	Record daily snowfall	16.5 cm (6.5 in)	67 of 100 (Major)
Black Spur	Australia	Record daily precipitation	117.2 mm (4.6 in)	66 of 100 (Major)
Irael	Russia	Record daily precipitation	33.8 mm (1.3 in)	66 of 100 (Major)
Wishek	United States	Record daily snowfall	25.4 cm (10.0 in)	65 of 100 (Major)
Mobridge 2NNW	United States	Record daily snowfall	14.7 cm (5.8 in)	65 of 100 (Major)
Palisade	United States	Record snow depth	17.8 cm (7.0 in)	64 of 100 (Major)
Highmore 23 N	United States	Record daily snowfall	30.5 cm (12.0 in)	63 of 100 (Major)
Huitzuco (Smn)	Mexico	Record daily precipitation	45.0 mm (1.8 in)	62 of 100 (Major)
Wellfleet	United States	Record daily snowfall	10.2 cm (4.0 in)	62 of 100 (Major)
Forbes 10 NW	United States	Record daily snowfall	26.7 cm (10.5 in)	62 of 100 (Major)
Kingsley Dam	United States	Record daily snowfall	25.9 cm (10.2 in)	61 of 100 (Major)
Tellico Plains	United States	Record daily precipitation	48.8 mm (1.9 in)	61 of 100 (Major)
Lake Echo Power Station	Australia	Record daily precipitation	116.0 mm (4.6 in)	60 of 100 (Major)
Trenton Dam 1N	United States	Record daily precipitation	43.9 mm (1.7 in)	60 of 100 (Major)
Wellfleet	United States	Record daily precipitation	49.8 mm (2.0 in)	60 of 100 (Major)
Grand Forks UNIV (NWS)	United States	Record daily snowfall	19.3 cm (7.6 in)	59 of 100 (Notable)
Watauga S Dak 8 N	United States	Record daily snowfall	20.3 cm (8.0 in)	59 of 100 (Notable)
Alexandria	United States	Record daily snowfall	15.2 cm (6.0 in)	59 of 100 (Notable)
Arnold	United States	Record snow depth	12.7 cm (5.0 in)	58 of 100 (Notable)
Arthur	United States	Record snow depth	30.5 cm (12.0 in)	58 of 100 (Notable)
Benkelman 1N	United States	Record daily snowfall	16.5 cm (6.5 in)	58 of 100 (Notable)
Mullen 3S	United States	Record daily snowfall	15.2 cm (6.0 in)	58 of 100 (Notable)
Cottonwood 2 E	United States	Record daily snowfall	16.3 cm (6.4 in)	58 of 100 (Notable)
Kingsley Dam	United States	Record snow depth	25.4 cm (10.0 in)	57 of 100 (Notable)
Hague	United States	Record daily snowfall	22.9 cm (9.0 in)	57 of 100 (Notable)
Faulkton	United States	Record daily snowfall	20.3 cm (8.0 in)	57 of 100 (Notable)
Mc Cook	United States	Record daily precipitation	55.9 mm (2.2 in)	56 of 100 (Notable)
Onida 4 NW	United States	Record daily snowfall	12.7 cm (5.0 in)	56 of 100 (Notable)
Platte	United States	Record daily precipitation	60.2 mm (2.4 in)	56 of 100 (Notable)
Atwood 8SSE	United States	Record daily snowfall	19.0 cm (7.5 in)	55 of 100 (Notable)
Haigler	United States	Record daily snowfall	8.1 cm (3.2 in)	55 of 100 (Notable)
N Platte Exp Farm	United States	Record daily snowfall	14.0 cm (5.5 in)	55 of 100 (Notable)
Fullerton 1 ESE	United States	Record daily snowfall	17.8 cm (7.0 in)	55 of 100 (Notable)
Wood	United States	Record daily snowfall	15.2 cm (6.0 in)	55 of 100 (Notable)
Central City	United States	Record daily snowfall	10.4 cm (4.1 in)	54 of 100 (Notable)
Oshkosh	United States	Record daily snowfall	10.2 cm (4.0 in)	54 of 100 (Notable)
Courtenay 1 NW	United States	Record daily snowfall	12.7 cm (5.0 in)	54 of 100 (Notable)
Eureka	United States	Record daily precipitation	44.2 mm (1.7 in)	54 of 100 (Notable)
Culbertson	United States	Record daily snowfall	15.2 cm (6.0 in)	53 of 100 (Notable)
Hershey 5 SSE	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Mullen 3S	United States	Record snow depth	15.2 cm (6.0 in)	53 of 100 (Notable)
Wallace 2W	United States	Record daily precipitation	59.2 mm (2.3 in)	53 of 100 (Notable)
Oregon City	United States	Record daily precipitation	34.3 mm (1.4 in)	53 of 100 (Notable)
Vermillion 2 SE	United States	Record daily snowfall	7.6 cm (3.0 in)	53 of 100 (Notable)
Taylor	United States	Record daily precipitation	45.2 mm (1.8 in)	52 of 100 (Notable)
Faulkton	United States	Record snow depth	20.3 cm (8.0 in)	52 of 100 (Notable)
Howard	United States	Record daily precipitation	38.6 mm (1.5 in)	52 of 100 (Notable)
Menno	United States	Record daily precipitation	42.4 mm (1.7 in)	52 of 100 (Notable)
Milpa Alta	Mexico	Record high minimum temperature	20.0 C (68.0 F)	51 of 100 (Notable)
Glenwood 2WNW	United States	Record daily snowfall	5.1 cm (2.0 in)	51 of 100 (Notable)
Eustis 2 NW	United States	Record daily precipitation	41.4 mm (1.6 in)	51 of 100 (Notable)
Trenton Dam 1N	United States	Record daily snowfall	7.9 cm (3.1 in)	51 of 100 (Notable)
Fessenden	United States	Record daily snowfall	15.2 cm (6.0 in)	51 of 100 (Notable)

Counts by Type and Timescale

1,162 records

Records set or tied on 15 April 2011 by type: Highest daily maximum 236, Lowest daily maximum 124, Highest daily minimum 166, Lowest daily minimum 57, Heaviest daily rainfall 352, Heaviest daily snowfall 150, Deepest snow cover 77.

Records on 15 April 2011 by type
Record type	Records
Highest daily maximum	236
Lowest daily maximum	124
Highest daily minimum	166
Lowest daily minimum	57
Heaviest daily rainfall	352
Heaviest daily snowfall	150
Deepest snow cover	77

Records on 15 April 2011 by timescale: all-time 4, monthly 41, daily 1,117.

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 305.0. Ties are not counted.

Top 20 by Significance

15 April 2011

Top 20 records on 15 April 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 2011	Wallace 2W, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	115 years	77 of 100 (Major)
15 April 2011	Palisade, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	92 years	76 of 100 (Major)
15 April 2011	Pollock, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	100 years	72 of 100 (Major)
15 April 2011	Bowdle, US	daily snowfall	21.6 cm (8.5 in)	19.1 cm (7.5 in)	101 years	70 of 100 (Major)
15 April 2011	Mahnomen, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	82 years	67 of 100 (Major)
15 April 2011	Paxton, US	all-time snowfall	40.6 cm (16.0 in)	5.0 cm (2.0 in)	91 years	67 of 100 (Major)
15 April 2011	Ipswich, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	109 years	67 of 100 (Major)
15 April 2011	Stephan 2 NW, US	daily snowfall	16.5 cm (6.5 in)	16.5 cm (6.5 in)	106 years	67 of 100 (Major)
15 April 2011	Black Spur, AU	daily rain	117.2 mm (4.6 in)	64.1 mm (2.5 in)	76 years	66 of 100 (Major)
15 April 2011	Irael, RU	monthly rain	33.8 mm (1.3 in)	12.9 mm (0.5 in)	38 years	66 of 100 (Major)
15 April 2011	Wishek, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	64 years	65 of 100 (Major)
15 April 2011	Mobridge 2NNW, US	daily snowfall	14.7 cm (5.8 in)	14.7 cm (5.8 in)	100 years	65 of 100 (Major)
15 April 2011	Palisade, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	61 years	64 of 100 (Major)
15 April 2011	Highmore 23 N, US	daily snowfall	30.5 cm (12.0 in)	30.5 cm (12.0 in)	57 years	63 of 100 (Major)
15 April 2011	Huitzuco (Smn), MX	daily rain	45.0 mm (1.8 in)	43.2 mm (1.7 in)	52 years	62 of 100 (Major)
15 April 2011	Wellfleet, US	daily snowfall	10.2 cm (4.0 in)	9.7 cm (3.8 in)	110 years	62 of 100 (Major)
15 April 2011	Forbes 10 NW, US	daily snowfall	26.7 cm (10.5 in)	26.7 cm (10.5 in)	58 years	62 of 100 (Major)
15 April 2011	Kingsley Dam, US	daily snowfall	25.9 cm (10.2 in)	23.4 cm (9.2 in)	64 years	61 of 100 (Major)
15 April 2011	Tellico Plains, US	daily rain	48.8 mm (1.9 in)	28.5 mm (1.1 in)	113 years	61 of 100 (Major)
15 April 2011	Lake Echo Power Station, AU	daily rain	116.0 mm (4.6 in)	83.2 mm (3.3 in)	52 years	60 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

1801 to 2011

Records set or tied on this calendar date in each year from 1801 to 2011. 2011 had 1,162 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 2011-04-15: 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	780
50 to 100	69
100 to 150	45
150 to 200	23
200 to 250	5
250 to 300	4
300 to 350	2