Weather Records on 11 April 2001

1,865 weather records were set or tied worldwide on 11 April 2001. Highest significance: Rochester Intl AP, US.

Key Facts for 11 April 2001

On 11 April 2001, 1,865 weather records were set or tied at long-record stations worldwide.
996 were record highs and 299 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 39 monthly and 1,820 daily.
Rochester Intl AP set a daily record precipitation of 95.3 mm (3.8 in) on 11 April 2001.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 472 records.

Record Map

1,865 stations

1,865 station records on 11 April 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rochester Intl AP	United States	Record daily precipitation	95.3 mm (3.8 in)	80 of 100 (Exceptional)
Milford 4 NW	United States	Record daily precipitation	64.0 mm (2.5 in)	71 of 100 (Major)
Lyons	United States	Record daily precipitation	48.5 mm (1.9 in)	69 of 100 (Major)
Long Creek	United States	Record daily snowfall	21.8 cm (8.6 in)	69 of 100 (Major)
Castle Rock	United States	Record daily precipitation	63.5 mm (2.5 in)	68 of 100 (Major)
Lake Park 3SSE	United States	Record daily precipitation	50.3 mm (2.0 in)	68 of 100 (Major)
Ida Grove 5NW	United States	Record daily precipitation	53.3 mm (2.1 in)	66 of 100 (Major)
Waukon 3NNE	United States	Record daily precipitation	69.9 mm (2.8 in)	65 of 100 (Major)
Akron Washington Co AP	United States	Record daily precipitation	35.8 mm (1.4 in)	63 of 100 (Major)
Cockle Creek (Pasminco Metals)	Australia	Record daily precipitation	91.8 mm (3.6 in)	62 of 100 (Major)
Onawa 3NW	United States	Record daily precipitation	58.4 mm (2.3 in)	62 of 100 (Major)
Sioux Ctr 2 SE	United States	Record daily precipitation	48.3 mm (1.9 in)	61 of 100 (Major)
Beverly Stp	United States	Record daily precipitation	36.3 mm (1.4 in)	59 of 100 (Notable)
Hutchinson 1 N	United States	Record daily precipitation	28.4 mm (1.1 in)	57 of 100 (Notable)
Spencer 6 SSE	United States	Record daily precipitation	55.1 mm (2.2 in)	57 of 100 (Notable)
Alton	United States	Record daily precipitation	40.9 mm (1.6 in)	56 of 100 (Notable)
Austin Waste Wtp Facility	United States	Record daily precipitation	53.3 mm (2.1 in)	56 of 100 (Notable)
Canton	United States	Record daily precipitation	44.7 mm (1.8 in)	56 of 100 (Notable)
Castlewood	United States	Record daily precipitation	35.6 mm (1.4 in)	56 of 100 (Notable)
Kanawha	United States	Record daily precipitation	43.4 mm (1.7 in)	55 of 100 (Notable)
Primghar	United States	Record daily precipitation	81.8 mm (3.2 in)	55 of 100 (Notable)
Lovelock	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Cedara	South Africa	Record daily precipitation	83.0 mm (3.3 in)	53 of 100 (Notable)
Julesburg	United States	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)
Lindsborg 3E	United States	Record daily precipitation	45.7 mm (1.8 in)	53 of 100 (Notable)
New Ulm 2 SE	United States	Record daily precipitation	48.3 mm (1.9 in)	53 of 100 (Notable)
Windom	United States	Record daily precipitation	53.8 mm (2.1 in)	53 of 100 (Notable)
Franklin 2 NE	United States	Record daily precipitation	31.0 mm (1.2 in)	53 of 100 (Notable)
Fairmont	United States	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Faribault	United States	Record daily precipitation	42.4 mm (1.7 in)	52 of 100 (Notable)
Stanton	United States	Record daily precipitation	47.2 mm (1.9 in)	52 of 100 (Notable)
Brillion	United States	Record daily precipitation	36.8 mm (1.4 in)	52 of 100 (Notable)
Estherville 4E	United States	Record daily precipitation	48.8 mm (1.9 in)	51 of 100 (Notable)
St Peter	United States	Record daily precipitation	33.3 mm (1.3 in)	51 of 100 (Notable)
Harlan Co Lake	United States	Record daily precipitation	29.5 mm (1.2 in)	51 of 100 (Notable)
Newcastle Nobbys Signal Statio	Australia	Record daily precipitation	54.4 mm (2.1 in)	50 of 100 (Notable)
Akron 4 E	United States	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Cherokee	United States	Record daily precipitation	49.0 mm (1.9 in)	50 of 100 (Notable)
Blue Earth	United States	Record daily precipitation	45.0 mm (1.8 in)	50 of 100 (Notable)
Cambridge	United States	Record daily precipitation	34.0 mm (1.3 in)	50 of 100 (Notable)
Morpeth Post Office	Australia	Record daily precipitation	78.0 mm (3.1 in)	49 of 100 (Notable)
Cherry Creek Dam	United States	Record daily precipitation	39.6 mm (1.6 in)	49 of 100 (Notable)
Emmetsburg	United States	Record daily precipitation	43.9 mm (1.7 in)	49 of 100 (Notable)
Viroqua	United States	Record daily precipitation	66.0 mm (2.6 in)	49 of 100 (Notable)
Mulbring (Vincent Street)	Australia	Record daily precipitation	64.0 mm (2.5 in)	48 of 100 (Notable)
Dillon 1 E	United States	Record daily snowfall	25.4 cm (10.0 in)	47 of 100 (Notable)
Edwardsville 2 W	United States	Record daily precipitation	76.5 mm (3.0 in)	47 of 100 (Notable)
Elgin 2SSW	United States	Record daily precipitation	62.0 mm (2.4 in)	47 of 100 (Notable)
Central City	United States	Record daily precipitation	58.4 mm (2.3 in)	47 of 100 (Notable)
Homer 3NE	United States	Record daily precipitation	44.5 mm (1.8 in)	47 of 100 (Notable)
Wayne	United States	Record daily precipitation	42.2 mm (1.7 in)	47 of 100 (Notable)
Muskegon Co AP	United States	Record daily precipitation	67.6 mm (2.7 in)	47 of 100 (Notable)
Limon	United States	Record daily precipitation	43.2 mm (1.7 in)	47 of 100 (Notable)
Raymond Terrace (Kinross)	Australia	Record daily precipitation	55.4 mm (2.2 in)	46 of 100 (Notable)
Sheboygan	United States	Record daily precipitation	53.8 mm (2.1 in)	46 of 100 (Notable)
Weyerhaeuser 1N	United States	Record daily precipitation	28.4 mm (1.1 in)	46 of 100 (Notable)
Byers 5 ENE	United States	Record daily precipitation	38.9 mm (1.5 in)	45 of 100 (Notable)
Indianola 1SW	United States	Record daily precipitation	48.8 mm (1.9 in)	45 of 100 (Notable)
Appleton	United States	Record daily precipitation	25.4 mm (1.0 in)	45 of 100 (Notable)
Plant City	United States	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)

Counts by Type and Timescale

1,865 records

Records set or tied on 11 April 2001 by type: Highest daily maximum 429, Lowest daily maximum 157, Highest daily minimum 567, Lowest daily minimum 142, Heaviest daily rainfall 441, Heaviest daily snowfall 77, Deepest snow cover 52.

Records on 11 April 2001 by type
Record type	Records
Highest daily maximum	429
Lowest daily maximum	157
Highest daily minimum	567
Lowest daily minimum	142
Heaviest daily rainfall	441
Heaviest daily snowfall	77
Deepest snow cover	52

Records on 11 April 2001 by timescale: all-time 6, monthly 39, daily 1,820.

How Much Records Were Beaten By

1,418 broken records

Margins by which the 1,418 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 381.0. Ties are not counted.

Top 20 by Significance

11 April 2001

Top 20 records on 11 April 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 2001	Rochester Intl AP, US	daily rain	95.3 mm (3.8 in)	75.5 mm (3.0 in)	107 years	80 of 100 (Exceptional)
11 April 2001	Milford 4 NW, US	daily rain	64.0 mm (2.5 in)	38.1 mm (1.5 in)	79 years	71 of 100 (Major)
11 April 2001	Lyons, US	daily rain	48.5 mm (1.9 in)	29.4 mm (1.2 in)	104 years	69 of 100 (Major)
11 April 2001	Long Creek, US	monthly snowfall	21.8 cm (8.6 in)	9.1 cm (3.6 in)	88 years	69 of 100 (Major)
11 April 2001	Castle Rock, US	daily rain	63.5 mm (2.5 in)	25.4 mm (1.0 in)	100 years	68 of 100 (Major)
11 April 2001	Lake Park 3SSE, US	daily rain	50.3 mm (2.0 in)	36.6 mm (1.4 in)	66 years	68 of 100 (Major)
11 April 2001	Ida Grove 5NW, US	daily rain	53.3 mm (2.1 in)	42.4 mm (1.7 in)	55 years	66 of 100 (Major)
11 April 2001	Waukon 3NNE, US	daily rain	69.9 mm (2.8 in)	47.0 mm (1.9 in)	66 years	65 of 100 (Major)
11 April 2001	Akron Washington Co AP, US	daily rain	35.8 mm (1.4 in)	23.4 mm (0.9 in)	58 years	63 of 100 (Major)
11 April 2001	Cockle Creek (Pasminco Metals), AU	daily rain	91.8 mm (3.6 in)	55.7 mm (2.2 in)	84 years	62 of 100 (Major)
11 April 2001	Onawa 3NW, US	daily rain	58.4 mm (2.3 in)	39.3 mm (1.5 in)	40 years	62 of 100 (Major)
11 April 2001	Sioux Ctr 2 SE, US	daily rain	48.3 mm (1.9 in)	28.0 mm (1.1 in)	79 years	61 of 100 (Major)
11 April 2001	Beverly Stp, US	daily rain	36.3 mm (1.4 in)	25.1 mm (1.0 in)	79 years	59 of 100 (Notable)
11 April 2001	Hutchinson 1 N, US	daily rain	28.4 mm (1.1 in)	13.2 mm (0.5 in)	105 years	57 of 100 (Notable)
11 April 2001	Spencer 6 SSE, US	daily rain	55.1 mm (2.2 in)	30.7 mm (1.2 in)	58 years	57 of 100 (Notable)
11 April 2001	Alton, US	daily rain	40.9 mm (1.6 in)	25.4 mm (1.0 in)	58 years	56 of 100 (Notable)
11 April 2001	Austin Waste Wtp Facility, US	daily rain	53.3 mm (2.1 in)	39.3 mm (1.5 in)	36 years	56 of 100 (Notable)
11 April 2001	Canton, US	daily rain	44.7 mm (1.8 in)	21.8 mm (0.9 in)	79 years	56 of 100 (Notable)
11 April 2001	Castlewood, US	daily rain	35.6 mm (1.4 in)	13.8 mm (0.5 in)	107 years	56 of 100 (Notable)
11 April 2001	Kanawha, US	daily rain	43.4 mm (1.7 in)	31.0 mm (1.2 in)	58 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

1800 to 2001

Records set or tied on this calendar date in each year from 1800 to 2001. 2001 had 1,865 records.

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

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 2001-04-11: 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	1,366
50 to 100	26
100 to 150	14
150 to 200	11
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1