Weather Records on 12 April 2005

536 weather records were set or tied worldwide on 12 April 2005. Highest significance: Iowa Falls, US.

Key Facts for 12 April 2005

On 12 April 2005, 536 weather records were set or tied at long-record stations worldwide.
245 were record highs and 92 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 517 daily.
Iowa Falls set a daily record precipitation of 68.6 mm (2.7 in) on 12 April 2005.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 501 records.

Record Map

536 stations

536 station records on 12 April 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 April 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Iowa Falls	United States	Record daily precipitation	68.6 mm (2.7 in)	75 of 100 (Major)
Iowa City	United States	Record daily precipitation	35.8 mm (1.4 in)	57 of 100 (Notable)
Zearing	United States	Record daily precipitation	67.3 mm (2.6 in)	56 of 100 (Notable)
Albert Lea 3SE	United States	Record daily precipitation	50.8 mm (2.0 in)	56 of 100 (Notable)
Thursday Island Township	Australia	Record daily precipitation	105.4 mm (4.1 in)	48 of 100 (Notable)
Algona	United States	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Williamsburg 1E	United States	Record daily precipitation	31.0 mm (1.2 in)	47 of 100 (Notable)
Heathlands National Park	Australia	Record daily precipitation	88.0 mm (3.5 in)	46 of 100 (Notable)
Centerville	United States	Record daily precipitation	53.3 mm (2.1 in)	46 of 100 (Notable)
Britt 3E	United States	Record daily precipitation	58.4 mm (2.3 in)	45 of 100 (Notable)
Emmetsburg	United States	Record daily precipitation	28.2 mm (1.1 in)	45 of 100 (Notable)
Colo	United States	Record daily precipitation	70.4 mm (2.8 in)	44 of 100 (Notable)
Webster City	United States	Record daily precipitation	45.2 mm (1.8 in)	44 of 100 (Notable)
Chariton 1 E	United States	Record daily precipitation	42.7 mm (1.7 in)	43 of 100 (Notable)
Titonka	United States	Record daily precipitation	53.3 mm (2.1 in)	42 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	40.1 mm (1.6 in)	41 of 100 (Notable)
St Peter	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Waseca S Rsch & Outreach Ctr	United States	Record daily precipitation	49.3 mm (1.9 in)	41 of 100 (Notable)
Edgerton	United States	Record daily precipitation	43.9 mm (1.7 in)	41 of 100 (Notable)
Palo Blanco	Mexico	Record high maximum temperature	45.0 C (113.0 F)	40 of 100 (Notable)
Walsenburg 1 NW	United States	Record snow depth	20.3 cm (8.0 in)	40 of 100 (Notable)
Stuttgart	United States	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)
Clarion	United States	Record daily precipitation	42.4 mm (1.7 in)	39 of 100 (Notable)
Hampton	United States	Record daily precipitation	62.2 mm (2.4 in)	39 of 100 (Notable)
Newton	United States	Record daily precipitation	37.1 mm (1.5 in)	39 of 100 (Notable)
Wells	United States	Record daily precipitation	46.7 mm (1.8 in)	38 of 100 (Notable)
Burlington Muni AP	United States	Record daily precipitation	36.1 mm (1.4 in)	38 of 100 (Notable)
Lowell	United States	Record low minimum temperature	-9.4 C (15.1 F)	37 of 100 (Notable)
Bamaga	Australia	Record daily precipitation	173.0 mm (6.8 in)	36 of 100 (Notable)
San Juan Peyotan	Mexico	Record low maximum temperature	27.8 C (82.0 F)	36 of 100 (Notable)
Montgomery	United States	Record daily precipitation	40.1 mm (1.6 in)	36 of 100 (Notable)
Northwood	United States	Record daily precipitation	52.3 mm (2.1 in)	35 of 100 (Notable)
Steamboat Rock	United States	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Doyles Creek (Wood Park)	Australia	Record daily precipitation	28.0 mm (1.1 in)	34 of 100 (Routine)
Batesville L&D 1	United States	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
St James Wwtp	United States	Record daily precipitation	51.6 mm (2.0 in)	34 of 100 (Routine)
Bentley	United States	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Eldora	United States	Record daily precipitation	46.5 mm (1.8 in)	33 of 100 (Routine)
Logan 1 WNW	United States	Record daily precipitation	42.7 mm (1.7 in)	33 of 100 (Routine)
Rathbun Dam	United States	Record daily precipitation	50.3 mm (2.0 in)	33 of 100 (Routine)
Manuel Avila Camacho	Mexico	Record high maximum temperature	38.3 C (100.9 F)	32 of 100 (Routine)
Uppsala_Aut	Sweden	Record high minimum temperature	5.7 C (42.3 F)	32 of 100 (Routine)
Warren 2 ENE	United States	Record daily precipitation	81.8 mm (3.2 in)	32 of 100 (Routine)
New London	United States	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)
Winnebago	United States	Record daily precipitation	46.2 mm (1.8 in)	32 of 100 (Routine)
Pensacola Rgnl AP	United States	Record daily precipitation	101.9 mm (4.0 in)	32 of 100 (Routine)
Paysandu	Uruguay	Record high maximum temperature	33.2 C (91.8 F)	32 of 100 (Routine)
Akjoujt	Mauritania	Record high minimum temperature	28.4 C (83.1 F)	31 of 100 (Routine)
Kalmar_Flygplats	Sweden	Record high maximum temperature	16.9 C (62.4 F)	31 of 100 (Routine)
Stockholm	Sweden	Record high minimum temperature	6.4 C (43.5 F)	31 of 100 (Routine)
Ankeny	United States	Record daily precipitation	49.5 mm (1.9 in)	31 of 100 (Routine)
Kanawha	United States	Record daily precipitation	70.9 mm (2.8 in)	31 of 100 (Routine)
Milpa Alta	Mexico	Record high maximum temperature	32.8 C (91.0 F)	30 of 100 (Routine)
Forest City 2 NNE	United States	Record daily precipitation	65.8 mm (2.6 in)	30 of 100 (Routine)
Gunnedah Pool	Australia	Record high minimum temperature	20.3 C (68.5 F)	29 of 100 (Routine)
Olands Norra Udde	Sweden	Record high maximum temperature	13.7 C (56.7 F)	29 of 100 (Routine)
Knoxville	United States	Record daily precipitation	47.0 mm (1.9 in)	29 of 100 (Routine)
Bogalusa	United States	Record daily precipitation	88.1 mm (3.5 in)	29 of 100 (Routine)
Thief Rvr Falls 2	United States	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Kalgoorlie-Boulder Airport	Australia	Record high maximum temperature	37.0 C (98.6 F)	28 of 100 (Routine)

Counts by Type and Timescale

536 records

Records set or tied on 12 April 2005 by type: Highest daily maximum 105, Lowest daily maximum 42, Highest daily minimum 140, Lowest daily minimum 50, Heaviest daily rainfall 184, Heaviest daily snowfall 5, Deepest snow cover 10.

Records on 12 April 2005 by type
Record type	Records
Highest daily maximum	105
Lowest daily maximum	42
Highest daily minimum	140
Lowest daily minimum	50
Heaviest daily rainfall	184
Heaviest daily snowfall	5
Deepest snow cover	10

Records on 12 April 2005 by timescale: all-time 1, monthly 18, daily 517.

How Much Records Were Beaten By

420 broken records

Margins by which the 420 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

12 April 2005

Top 20 records on 12 April 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 April 2005	Iowa Falls, US	daily rain	68.6 mm (2.7 in)	36.1 mm (1.4 in)	96 years	75 of 100 (Major)
12 April 2005	Iowa City, US	daily rain	35.8 mm (1.4 in)	18.0 mm (0.7 in)	111 years	57 of 100 (Notable)
12 April 2005	Zearing, US	monthly rain	67.3 mm (2.6 in)	8.1 mm (0.32 in)	95 years	56 of 100 (Notable)
12 April 2005	Albert Lea 3SE, US	daily rain	50.8 mm (2.0 in)	16.5 mm (0.6 in)	109 years	56 of 100 (Notable)
12 April 2005	Thursday Island Township, AU	daily rain	105.4 mm (4.1 in)	32.5 mm (1.3 in)	80 years	48 of 100 (Notable)
12 April 2005	Algona, US	daily rain	27.9 mm (1.1 in)	9.9 mm (0.39 in)	94 years	47 of 100 (Notable)
12 April 2005	Williamsburg 1E, US	daily rain	31.0 mm (1.2 in)	8.4 mm (0.33 in)	111 years	47 of 100 (Notable)
12 April 2005	Heathlands National Park, AU	daily rain	88.0 mm (3.5 in)	63.0 mm (2.5 in)	28 years	46 of 100 (Notable)
12 April 2005	Centerville, US	daily rain	53.3 mm (2.1 in)	27.9 mm (1.1 in)	40 years	46 of 100 (Notable)
12 April 2005	Britt 3E, US	daily rain	58.4 mm (2.3 in)	32.5 mm (1.3 in)	3 years	45 of 100 (Notable)
12 April 2005	Emmetsburg, US	daily rain	28.2 mm (1.1 in)	5.3 mm (0.21 in)	108 years	45 of 100 (Notable)
12 April 2005	Colo, US	daily rain	70.4 mm (2.8 in)	40.4 mm (1.6 in)	14 years	44 of 100 (Notable)
12 April 2005	Webster City, US	daily rain	45.2 mm (1.8 in)	5.3 mm (0.21 in)	99 years	44 of 100 (Notable)
12 April 2005	Chariton 1 E, US	daily rain	42.7 mm (1.7 in)	5.9 mm (0.23 in)	96 years	43 of 100 (Notable)
12 April 2005	Titonka, US	daily rain	53.3 mm (2.1 in)	23.8 mm (0.9 in)	43 years	42 of 100 (Notable)
12 April 2005	Marshalltown, US	daily rain	40.1 mm (1.6 in)	3.3 mm (0.13 in)	96 years	41 of 100 (Notable)
12 April 2005	St Peter, US	daily rain	43.2 mm (1.7 in)	14.8 mm (0.6 in)	44 years	41 of 100 (Notable)
12 April 2005	Waseca S Rsch & Outreach Ctr, US	daily rain	49.3 mm (1.9 in)	26.7 mm (1.1 in)	3 years	41 of 100 (Notable)
12 April 2005	Edgerton, US	daily rain	43.9 mm (1.7 in)	21.0 mm (0.8 in)	50 years	41 of 100 (Notable)
12 April 2005	Palo Blanco, MX	daily high max	45.0 C (113.0 F)	9.4 C (16.9 F)	40 years	40 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

1793 to 2005

Records set or tied on this calendar date in each year from 1793 to 2005. 2005 had 536 records.

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

Records on 04-12 in each year
Year	Records
1793	1
1805	1
1810	1
1812	2
1817	2
1826	1
1831	1
1845	1
1850	1
1854	1
1865	2
1866	2
1868	4
1869	5
1871	1
1873	1
1874	5
1876	2
1877	1
1878	1
1879	4
1881	1
1882	1
1885	2
1889	4
1890	10
1891	3
1892	2
1893	4
1894	1
1895	1
1896	1
1897	4
1898	4
1899	5
1900	6
1901	5
1902	3
1903	10
1904	11
1905	19
1906	24
1907	5
1908	10
1909	16
1910	15
1911	26
1912	48
1913	88
1914	41
1915	125
1916	37
1917	33
1918	40
1919	39
1920	148
1921	34
1922	48
1923	134
1924	69
1925	178
1926	347
1927	179
1928	145
1929	141
1930	638
1931	267
1932	253
1933	551
1934	531
1935	171
1936	277
1937	236
1938	175
1939	1,174
1940	1,407
1941	869
1942	191
1943	614
1944	423
1945	884
1946	347
1947	733
1948	1,496
1949	358
1950	638
1951	1,102
1952	455
1953	707
1954	424
1955	611
1956	382
1957	910
1958	542
1959	513
1960	314
1961	551
1962	510
1963	518
1964	363
1965	659
1966	520
1967	682
1968	717
1969	352
1970	568
1971	587
1972	1,316
1973	903
1974	822
1975	704
1976	1,076
1977	1,069
1978	533
1979	1,096
1980	611
1981	1,068
1982	852
1983	877
1984	671
1985	734
1986	1,350
1987	606
1988	1,369
1989	1,838
1990	946
1991	1,484
1992	1,000
1993	586
1994	1,375
1995	1,173
1996	994
1997	3,094
1998	1,409
1999	873
2000	784
2001	1,369
2002	600
2003	1,079
2004	964
2005	536
2006	796
2007	1,144
2008	1,015
2009	811
2010	935
2011	1,026
2012	666
2013	1,039
2014	597
2015	504
2016	595
2017	519
2018	868
2019	685
2020	1,150
2021	710
2022	1,862
2023	1,262
2024	1,086
2025	1,281
2026	622

Download the Data

Data for records on 2005-04-12: 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	414
50 to 100	3
100 to 150	1
150 to 200	1
200 to 250	1