Weather Records on 11 April 2005

930 weather records were set or tied worldwide on 11 April 2005. Highest significance: Bologna, IT.

Key Facts for 11 April 2005

On 11 April 2005, 930 weather records were set or tied at long-record stations worldwide.
516 were record highs and 112 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 21 monthly and 904 daily.
Bologna set a daily record precipitation of 55.4 mm (2.2 in) on 11 April 2005.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 478 records.

Record Map

930 stations

930 station records on 11 April 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bologna	Italy	Record daily precipitation	55.4 mm (2.2 in)	75 of 100 (Major)
Gullbra	Norway	Record daily precipitation	46.5 mm (1.8 in)	53 of 100 (Notable)
Tizi Ouzou	Algeria	Record daily precipitation	33.0 mm (1.3 in)	52 of 100 (Notable)
Ovstedal	Norway	Record daily precipitation	71.2 mm (2.8 in)	52 of 100 (Notable)
Kvale	Norway	Record daily precipitation	58.2 mm (2.3 in)	52 of 100 (Notable)
Kirksville Rgnl AP	United States	Record daily precipitation	53.3 mm (2.1 in)	51 of 100 (Notable)
Eastonville 2 NNW	United States	Record daily snowfall	46.2 cm (18.2 in)	49 of 100 (Notable)
Unionville	United States	Record daily precipitation	57.4 mm (2.3 in)	49 of 100 (Notable)
Ocosingo	Mexico	Record daily precipitation	51.8 mm (2.0 in)	48 of 100 (Notable)
Froyset	Norway	Record daily precipitation	48.5 mm (1.9 in)	48 of 100 (Notable)
Kassler	United States	Record snow depth	45.7 cm (18.0 in)	46 of 100 (Notable)
Akron	United States	Record daily precipitation	36.1 mm (1.4 in)	45 of 100 (Notable)
Rock Rapids	United States	Record daily precipitation	42.9 mm (1.7 in)	44 of 100 (Notable)
Eksingedal	Norway	Record daily precipitation	43.7 mm (1.7 in)	43 of 100 (Notable)
Skei I Jolster	Norway	Record daily precipitation	39.8 mm (1.6 in)	43 of 100 (Notable)
Wentworth 2.5 WNW	United States	Record high minimum temperature	11.1 C (52.0 F)	43 of 100 (Notable)
Mercedes	Uruguay	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Mt Vernon	United States	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Fairfield	United States	Record high minimum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Ellsworth 2W	United States	Record daily precipitation	27.4 mm (1.1 in)	42 of 100 (Notable)
Conargo (Willurah)	Australia	Record daily precipitation	40.0 mm (1.6 in)	41 of 100 (Notable)
Ouray	United States	Record daily snowfall	19.1 cm (7.5 in)	41 of 100 (Notable)
Brownsville	United States	Record high maximum temperature	35.0 C (95.0 F)	41 of 100 (Notable)
Marysville (Post Office)	Australia	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Buenavista	Mexico	Record high minimum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Rorvikvatn Ved Vadheim	Norway	Record daily precipitation	51.5 mm (2.0 in)	40 of 100 (Notable)
Brookings 2 NE	United States	Record daily precipitation	32.3 mm (1.3 in)	40 of 100 (Notable)
Bulken	Norway	Record daily precipitation	30.6 mm (1.2 in)	39 of 100 (Notable)
Lavik	Norway	Record daily precipitation	43.2 mm (1.7 in)	39 of 100 (Notable)
Lakewood	United States	Record daily snowfall	36.8 cm (14.5 in)	39 of 100 (Notable)
Bricelyn	United States	Record daily precipitation	66.3 mm (2.6 in)	39 of 100 (Notable)
St Peter	United States	Record high minimum temperature	14.4 C (57.9 F)	39 of 100 (Notable)
Henderson	United States	Record daily precipitation	74.9 mm (2.9 in)	39 of 100 (Notable)
San Lorenzo 1SW	Puerto Rico [United States]	Record daily precipitation	96.8 mm (3.8 in)	38 of 100 (Notable)
Leroy 5 WSW	United States	Record daily snowfall	13.7 cm (5.4 in)	38 of 100 (Notable)
Mt Ayr	United States	Record daily precipitation	35.3 mm (1.4 in)	38 of 100 (Notable)
Albion	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Tok	United States	Record daily snowfall	8.9 cm (3.5 in)	38 of 100 (Notable)
Shreveport	United States	Record daily precipitation	101.6 mm (4.0 in)	38 of 100 (Notable)
Park Rapids Muni AP	United States	Record daily precipitation	26.9 mm (1.1 in)	38 of 100 (Notable)
Byers 5 ENE	United States	Record snow depth	45.7 cm (18.0 in)	37 of 100 (Notable)
Weeping Water	United States	Record daily precipitation	53.1 mm (2.1 in)	37 of 100 (Notable)
Paso de Los Toros	Uruguay	Record daily precipitation	179.1 mm (7.1 in)	37 of 100 (Notable)
Haukedal	Norway	Record daily precipitation	51.5 mm (2.0 in)	36 of 100 (Notable)
Postville	United States	Record high maximum temperature	25.6 C (78.1 F)	36 of 100 (Notable)
Kimball 2NE	United States	Record snow depth	15.2 cm (6.0 in)	36 of 100 (Notable)
Cherdyn'	Russia	Record high minimum temperature	4.2 C (39.6 F)	35 of 100 (Notable)
Galva	United States	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
Willmar Wwtp	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)
Eikanger - Myr	Norway	Record daily precipitation	44.6 mm (1.8 in)	34 of 100 (Routine)
Akron 4 E	United States	Record snow depth	22.9 cm (9.0 in)	34 of 100 (Routine)
Washington	United States	Record high minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Howell Wwtp	United States	Record high maximum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
New London	United States	Record high minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Louisville	United States	Record daily precipitation	63.8 mm (2.5 in)	34 of 100 (Routine)
Oshkosh 8 SW	United States	Record daily precipitation	36.3 mm (1.4 in)	34 of 100 (Routine)
Des Moines Intl AP	United States	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Aurora Water	United States	Record high minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record high minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

930 records

Records set or tied on 11 April 2005 by type: Highest daily maximum 269, Lowest daily maximum 57, Highest daily minimum 247, Lowest daily minimum 55, Heaviest daily rainfall 259, Heaviest daily snowfall 24, Deepest snow cover 19.

Records on 11 April 2005 by type
Record type	Records
Highest daily maximum	269
Lowest daily maximum	57
Highest daily minimum	247
Lowest daily minimum	55
Heaviest daily rainfall	259
Heaviest daily snowfall	24
Deepest snow cover	19

Records on 11 April 2005 by timescale: all-time 5, monthly 21, daily 904.

How Much Records Were Beaten By

731 broken records

Margins by which the 731 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 335.0. Ties are not counted.

Top 20 by Significance

11 April 2005

Top 20 records on 11 April 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 2005	Bologna, IT	daily rain	55.4 mm (2.2 in)	29.6 mm (1.2 in)	136 years	75 of 100 (Major)
11 April 2005	Gullbra, NO	daily rain	46.5 mm (1.8 in)	29.2 mm (1.1 in)	28 years	53 of 100 (Notable)
11 April 2005	Tizi Ouzou, DZ	daily rain	33.0 mm (1.3 in)	12.0 mm (0.5 in)	112 years	52 of 100 (Notable)
11 April 2005	Ovstedal, NO	daily rain	71.2 mm (2.8 in)	46.3 mm (1.8 in)	24 years	52 of 100 (Notable)
11 April 2005	Kvale, NO	daily rain	58.2 mm (2.3 in)	42.6 mm (1.7 in)	28 years	52 of 100 (Notable)
11 April 2005	Kirksville Rgnl AP, US	daily rain	53.3 mm (2.1 in)	35.8 mm (1.4 in)	50 years	51 of 100 (Notable)
11 April 2005	Eastonville 2 NNW, US	daily snowfall	46.2 cm (18.2 in)	33.5 cm (13.2 in)	26 years	49 of 100 (Notable)
11 April 2005	Unionville, US	daily rain	57.4 mm (2.3 in)	22.1 mm (0.9 in)	60 years	49 of 100 (Notable)
11 April 2005	Ocosingo, MX	daily rain	51.8 mm (2.0 in)	33.0 mm (1.3 in)	56 years	48 of 100 (Notable)
11 April 2005	Froyset, NO	daily rain	48.5 mm (1.9 in)	27.5 mm (1.1 in)	30 years	48 of 100 (Notable)
11 April 2005	Kassler, US	monthly snow depth	45.7 cm (18.0 in)	2.5 cm (1.0 in)	84 years	46 of 100 (Notable)
11 April 2005	Akron, US	daily rain	36.1 mm (1.4 in)	13.0 mm (0.5 in)	70 years	45 of 100 (Notable)
11 April 2005	Rock Rapids, US	daily rain	42.9 mm (1.7 in)	9.9 mm (0.39 in)	83 years	44 of 100 (Notable)
11 April 2005	Eksingedal, NO	daily rain	43.7 mm (1.7 in)	25.7 mm (1.0 in)	20 years	43 of 100 (Notable)
11 April 2005	Skei I Jolster, NO	daily rain	39.8 mm (1.6 in)	24.8 mm (1.0 in)	28 years	43 of 100 (Notable)
11 April 2005	Wentworth 2.5 WNW, US	daily high min	11.1 C (52.0 F)	2.8 C (5.0 F)	95 years	43 of 100 (Notable)
11 April 2005	Mercedes, UY	daily rain	49.0 mm (1.9 in)	27.0 mm (1.1 in)	72 years	43 of 100 (Notable)
11 April 2005	Mt Vernon, US	daily high min	16.7 C (62.1 F)	1.1 C (2.0 F)	108 years	42 of 100 (Notable)
11 April 2005	Fairfield, US	daily high min	15.6 C (60.1 F)	1.2 C (2.2 F)	108 years	42 of 100 (Notable)
11 April 2005	Ellsworth 2W, US	daily rain	27.4 mm (1.1 in)	18.8 mm (0.7 in)	20 years	42 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 2005

Records set or tied on this calendar date in each year from 1800 to 2005. 2005 had 930 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 2005-04-11: 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	707
50 to 100	13
100 to 150	6
150 to 200	3
200 to 250	1
250 to 300	0
300 to 350	1