Weather Records on 15 April 2012

1,007 weather records were set or tied worldwide on 15 April 2012. Highest significance: Red Oak, US.

Key Facts for 15 April 2012

On 15 April 2012, 1,007 weather records were set or tied at long-record stations worldwide.
387 were record highs and 199 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 26 monthly and 980 daily.
Red Oak set a monthly record daily precipitation of 143.5 mm (5.6 in) on 15 April 2012.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 490 records.

Record Map

1,007 stations

1,007 station records on 15 April 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Red Oak	United States	Record daily precipitation	143.5 mm (5.6 in)	77 of 100 (Major)
Winterset 4N	United States	Record daily precipitation	73.2 mm (2.9 in)	72 of 100 (Major)
Sisseton	United States	Record daily precipitation	91.9 mm (3.6 in)	72 of 100 (Major)
Greenfield	United States	Record daily precipitation	127.0 mm (5.0 in)	71 of 100 (Major)
Chariton 1 E	United States	Record daily precipitation	71.1 mm (2.8 in)	67 of 100 (Major)
Decorah	United States	Record daily precipitation	44.7 mm (1.8 in)	67 of 100 (Major)
Rockwell City	United States	Record daily precipitation	69.1 mm (2.7 in)	67 of 100 (Major)
Guthrie Ctr	United States	Record daily precipitation	64.0 mm (2.5 in)	65 of 100 (Major)
Fulton L&D #13	United States	Record daily precipitation	90.9 mm (3.6 in)	64 of 100 (Major)
Williamsburg 1E	United States	Record daily precipitation	53.6 mm (2.1 in)	64 of 100 (Major)
Loretta 1W	United States	Record daily precipitation	58.4 mm (2.3 in)	63 of 100 (Major)
Rock Is L&D 15	United States	Record daily precipitation	42.9 mm (1.7 in)	61 of 100 (Major)
Longford	United States	Record daily precipitation	80.0 mm (3.1 in)	61 of 100 (Major)
Pipestone	United States	Record daily precipitation	43.4 mm (1.7 in)	61 of 100 (Major)
Sigourney	United States	Record daily precipitation	74.9 mm (2.9 in)	60 of 100 (Major)
Beloit	United States	Record daily precipitation	90.4 mm (3.6 in)	60 of 100 (Major)
Brookville	United States	Record daily precipitation	50.3 mm (2.0 in)	59 of 100 (Notable)
Bruning	United States	Record daily precipitation	84.8 mm (3.3 in)	58 of 100 (Notable)
Park Rapids Muni AP	United States	Record daily precipitation	40.4 mm (1.6 in)	58 of 100 (Notable)
Boone	United States	Record daily precipitation	52.1 mm (2.1 in)	57 of 100 (Notable)
Osceola	United States	Record daily precipitation	88.9 mm (3.5 in)	57 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	48.3 mm (1.9 in)	56 of 100 (Notable)
Iowa City	United States	Record daily precipitation	49.3 mm (1.9 in)	55 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	53.3 mm (2.1 in)	55 of 100 (Notable)
Marengo	United States	Record daily precipitation	70.1 mm (2.8 in)	54 of 100 (Notable)
Mt Carroll	United States	Record daily precipitation	67.3 mm (2.6 in)	54 of 100 (Notable)
Carroll	United States	Record daily precipitation	38.6 mm (1.5 in)	54 of 100 (Notable)
New Harmony	United States	Record daily snowfall	11.7 cm (4.6 in)	54 of 100 (Notable)
Ankeny	United States	Record daily precipitation	72.6 mm (2.9 in)	53 of 100 (Notable)
Spearfish	United States	Record daily precipitation	31.2 mm (1.2 in)	52 of 100 (Notable)
Alexandria Chandler Fld	United States	Record daily precipitation	49.3 mm (1.9 in)	52 of 100 (Notable)
Huron Rgnl AP	United States	Record daily precipitation	47.0 mm (1.9 in)	52 of 100 (Notable)
Toledo 3N	United States	Record daily precipitation	63.8 mm (2.5 in)	51 of 100 (Notable)
Ft Grant	United States	Record low maximum temperature	10.0 C (50.0 F)	50 of 100 (Notable)
Atlantic 1 NE	United States	Record daily precipitation	59.7 mm (2.4 in)	50 of 100 (Notable)
S Haven	United States	Record daily precipitation	66.5 mm (2.6 in)	50 of 100 (Notable)
Cresco 1 NE	United States	Record daily precipitation	43.2 mm (1.7 in)	49 of 100 (Notable)
Conrad	United States	Record daily precipitation	76.2 mm (3.0 in)	48 of 100 (Notable)
Iowa Falls	United States	Record daily precipitation	35.3 mm (1.4 in)	48 of 100 (Notable)
Vinton	United States	Record daily precipitation	62.0 mm (2.4 in)	48 of 100 (Notable)
Webster	United States	Record daily precipitation	47.2 mm (1.9 in)	48 of 100 (Notable)
Le Claire L&D 14	United States	Record daily precipitation	53.8 mm (2.1 in)	47 of 100 (Notable)
Artichoke Lake 1 E	United States	Record daily precipitation	35.8 mm (1.4 in)	47 of 100 (Notable)
Bison 3NW	United States	Record daily precipitation	33.8 mm (1.3 in)	46 of 100 (Notable)
Moose Lake 1 SSE	United States	Record daily precipitation	43.7 mm (1.7 in)	46 of 100 (Notable)
Forestburg 4 NNE	United States	Record daily precipitation	29.2 mm (1.1 in)	46 of 100 (Notable)
Kennebec	United States	Record daily precipitation	34.3 mm (1.4 in)	46 of 100 (Notable)
Rosebud	United States	Record daily precipitation	66.0 mm (2.6 in)	46 of 100 (Notable)
Los Otates V	Mexico	Record low maximum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Clutier	United States	Record daily precipitation	56.4 mm (2.2 in)	45 of 100 (Notable)
Bucklin 1SE	United States	Record daily precipitation	45.0 mm (1.8 in)	45 of 100 (Notable)
Lead	United States	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Ames 8 WSW	United States	Record daily precipitation	61.2 mm (2.4 in)	44 of 100 (Notable)
Muscatine	United States	Record daily precipitation	64.3 mm (2.5 in)	44 of 100 (Notable)
Minneota	United States	Record daily precipitation	30.7 mm (1.2 in)	44 of 100 (Notable)
Shelbyville Dam	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Hampton	United States	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
Finca Hamburgo	Mexico	Record daily precipitation	111.0 mm (4.4 in)	42 of 100 (Notable)
Washington	United States	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Fargo 3ENE	United States	Record daily precipitation	46.2 mm (1.8 in)	42 of 100 (Notable)

Counts by Type and Timescale

1,007 records

Records set or tied on 15 April 2012 by type: Highest daily maximum 97, Lowest daily maximum 110, Highest daily minimum 290, Lowest daily minimum 89, Heaviest daily rainfall 392, Heaviest daily snowfall 17, Deepest snow cover 12.

Records on 15 April 2012 by type
Record type	Records
Highest daily maximum	97
Lowest daily maximum	110
Highest daily minimum	290
Lowest daily minimum	89
Heaviest daily rainfall	392
Heaviest daily snowfall	17
Deepest snow cover	12

Records on 15 April 2012 by timescale: all-time 1, monthly 26, daily 980.

How Much Records Were Beaten By

794 broken records

Margins by which the 794 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 203.0. Ties are not counted.

Top 20 by Significance

15 April 2012

Top 20 records on 15 April 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 2012	Red Oak, US	monthly rain	143.5 mm (5.6 in)	62.5 mm (2.5 in)	56 years	77 of 100 (Major)
15 April 2012	Winterset 4N, US	daily rain	73.2 mm (2.9 in)	39.7 mm (1.6 in)	82 years	72 of 100 (Major)
15 April 2012	Sisseton, US	daily rain	91.9 mm (3.6 in)	79.2 mm (3.1 in)	74 years	72 of 100 (Major)
15 April 2012	Greenfield, US	monthly rain	127.0 mm (5.0 in)	44.2 mm (1.7 in)	37 years	71 of 100 (Major)
15 April 2012	Chariton 1 E, US	daily rain	71.1 mm (2.8 in)	31.0 mm (1.2 in)	116 years	67 of 100 (Major)
15 April 2012	Decorah, US	daily rain	44.7 mm (1.8 in)	26.9 mm (1.1 in)	102 years	67 of 100 (Major)
15 April 2012	Rockwell City, US	daily rain	69.1 mm (2.7 in)	49.3 mm (1.9 in)	59 years	67 of 100 (Major)
15 April 2012	Guthrie Ctr, US	daily rain	64.0 mm (2.5 in)	36.1 mm (1.4 in)	91 years	65 of 100 (Major)
15 April 2012	Fulton L&D #13, US	monthly rain	90.9 mm (3.6 in)	30.2 mm (1.2 in)	52 years	64 of 100 (Major)
15 April 2012	Williamsburg 1E, US	daily rain	53.6 mm (2.1 in)	26.4 mm (1.0 in)	116 years	64 of 100 (Major)
15 April 2012	Loretta 1W, US	daily rain	58.4 mm (2.3 in)	38.1 mm (1.5 in)	71 years	63 of 100 (Major)
15 April 2012	Rock Is L&D 15, US	daily rain	42.9 mm (1.7 in)	22.6 mm (0.9 in)	139 years	61 of 100 (Major)
15 April 2012	Longford, US	monthly rain	80.0 mm (3.1 in)	32.2 mm (1.3 in)	45 years	61 of 100 (Major)
15 April 2012	Pipestone, US	daily rain	43.4 mm (1.7 in)	20.5 mm (0.8 in)	96 years	61 of 100 (Major)
15 April 2012	Sigourney, US	daily rain	74.9 mm (2.9 in)	34.3 mm (1.4 in)	68 years	60 of 100 (Major)
15 April 2012	Beloit, US	monthly rain	90.4 mm (3.6 in)	21.3 mm (0.8 in)	65 years	60 of 100 (Major)
15 April 2012	Brookville, US	daily rain	50.3 mm (2.0 in)	40.1 mm (1.6 in)	47 years	59 of 100 (Notable)
15 April 2012	Bruning, US	monthly rain	84.8 mm (3.3 in)	8.6 mm (0.34 in)	116 years	58 of 100 (Notable)
15 April 2012	Park Rapids Muni AP, US	daily rain	40.4 mm (1.6 in)	20.1 mm (0.8 in)	75 years	58 of 100 (Notable)
15 April 2012	Boone, US	daily rain	52.1 mm (2.1 in)	19.8 mm (0.8 in)	91 years	57 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

1801 to 2012

Records set or tied on this calendar date in each year from 1801 to 2012. 2012 had 1,007 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 2012-04-15: 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 2026-10-16 (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	781
50 to 100	8
100 to 150	3
150 to 200	0
200 to 250	2