Weather Records on 18 April 2005

622 weather records were set or tied worldwide on 18 April 2005. Highest significance: Arad, RO.

Key Facts for 18 April 2005

On 18 April 2005, 622 weather records were set or tied at long-record stations worldwide.
353 were record highs and 98 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 613 daily.
Arad set a monthly record daily precipitation of 56.6 mm (2.2 in) on 18 April 2005.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

622 stations

622 station records on 18 April 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Arad	Romania	Record daily precipitation	56.6 mm (2.2 in)	79 of 100 (Major)
Lewistown AP	United States	Record daily precipitation	26.2 mm (1.0 in)	67 of 100 (Major)
Elliston	United States	Record daily snowfall	26.7 cm (10.5 in)	52 of 100 (Notable)
San Juan L M Marin Intl AP	Puerto Rico [United States]	Record daily precipitation	96.8 mm (3.8 in)	51 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record daily snowfall	21.6 cm (8.5 in)	51 of 100 (Notable)
Eichstatt-Landershofen	Germany	Record daily precipitation	28.8 mm (1.1 in)	50 of 100 (Notable)
Ebeleben	Germany	Record daily precipitation	30.7 mm (1.2 in)	48 of 100 (Notable)
Virginia City	United States	Record daily snowfall	20.3 cm (8.0 in)	48 of 100 (Notable)
Weissenburg	Germany	Record daily precipitation	27.5 mm (1.1 in)	46 of 100 (Notable)
Langdon Exp Farm	United States	Record high minimum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Booker	United States	Record daily precipitation	39.9 mm (1.6 in)	45 of 100 (Notable)
Lajas Substn	Puerto Rico [United States]	Record high maximum temperature	33.3 C (91.9 F)	44 of 100 (Notable)
Genoa 2 W	United States	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Long Prairie	United States	Record high minimum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Tashkent	Uzbekistan	Record high maximum temperature	32.2 C (90.0 F)	42 of 100 (Notable)
Palmerville	Australia	Record low minimum temperature	16.3 C (61.3 F)	41 of 100 (Notable)
Nadi Airport	Fiji	Record daily precipitation	79.6 mm (3.1 in)	41 of 100 (Notable)
Valencia	Spain	Record high minimum temperature	18.0 C (64.4 F)	40 of 100 (Notable)
Kadoka	United States	Record high minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Moruya Heads Pilot Station	Australia	Record high maximum temperature	30.1 C (86.2 F)	39 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record high minimum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Little Falls 2NNE	United States	Record high minimum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Windom	United States	Record high minimum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Alder 17 S	United States	Record daily snowfall	19.8 cm (7.8 in)	39 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record snow depth	20.3 cm (8.0 in)	39 of 100 (Notable)
Watertown Rgnl AP	United States	Record high minimum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Sydney Airport AMO	Australia	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)
Randle 1 E	United States	Record daily precipitation	25.1 mm (1.0 in)	38 of 100 (Notable)
Intl Falls Intl AP	United States	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	32.3 C (90.1 F)	37 of 100 (Notable)
Cloquet	United States	Record high maximum temperature	28.3 C (82.9 F)	37 of 100 (Notable)
Collegeville St John's	United States	Record high minimum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Hillsboro 3 N	United States	Record high minimum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Alicante	Spain	Record high minimum temperature	18.2 C (64.8 F)	36 of 100 (Notable)
Lewistown 11 SSE	United States	Record daily precipitation	29.2 mm (1.1 in)	36 of 100 (Notable)
Montague Island Lighthouse	Australia	Record high maximum temperature	28.0 C (82.4 F)	35 of 100 (Notable)
Presque Isle	United States	Record high maximum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Walker	United States	Record high minimum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Mountainair	United States	Record high minimum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Fairbanks Intl AP	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Spearfish	United States	Record high maximum temperature	28.3 C (82.9 F)	34 of 100 (Routine)
Mobridge 2NNW	United States	Record high minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Richmond Raaf	Australia	Record high maximum temperature	32.5 C (90.5 F)	32 of 100 (Routine)
Caransebes	Romania	Record daily precipitation	67.6 mm (2.7 in)	32 of 100 (Routine)
Gabo Island Lighthouse	Australia	Record high maximum temperature	26.0 C (78.8 F)	31 of 100 (Routine)
Glendive	United States	Record high minimum temperature	10.6 C (51.1 F)	31 of 100 (Routine)
Lima	United States	Record snow depth	17.8 cm (7.0 in)	30 of 100 (Routine)
Rockypoint 7NNE	United States	Record high maximum temperature	26.1 C (79.0 F)	30 of 100 (Routine)
Williston Sloulin Fld	United States	Record high minimum temperature	9.4 C (48.9 F)	30 of 100 (Routine)
Cerro Maravilla	Puerto Rico [United States]	Record low minimum temperature	5.6 C (42.1 F)	29 of 100 (Routine)
Gibbs Rch - Jarbidge 24SE	United States	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Wittenoom	Australia	Record high minimum temperature	28.4 C (83.1 F)	28 of 100 (Routine)
Alder 17 S	United States	Record snow depth	15.2 cm (6.0 in)	28 of 100 (Routine)
Milpa Alta	Mexico	Record high maximum temperature	32.8 C (91.0 F)	27 of 100 (Routine)
Tixtla (Dge)	Mexico	Record high minimum temperature	22.8 C (73.0 F)	27 of 100 (Routine)
Newell	United States	Record high minimum temperature	11.1 C (52.0 F)	27 of 100 (Routine)
Wollongong University	Australia	Record high maximum temperature	32.4 C (90.3 F)	26 of 100 (Routine)
Vasilevici	Belarus	Record high maximum temperature	21.9 C (71.4 F)	26 of 100 (Routine)
Jonuta	Mexico	Record low minimum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Lviv	Ukraine	Record high minimum temperature	11.4 C (52.5 F)	26 of 100 (Routine)

Counts by Type and Timescale

622 records

Records set or tied on 18 April 2005 by type: Highest daily maximum 153, Lowest daily maximum 33, Highest daily minimum 200, Lowest daily minimum 65, Heaviest daily rainfall 149, Heaviest daily snowfall 13, Deepest snow cover 9.

Records on 18 April 2005 by type
Record type	Records
Highest daily maximum	153
Lowest daily maximum	33
Highest daily minimum	200
Lowest daily minimum	65
Heaviest daily rainfall	149
Heaviest daily snowfall	13
Deepest snow cover	9

Records on 18 April 2005 by timescale: all-time 1, monthly 8, daily 613.

How Much Records Were Beaten By

473 broken records

Margins by which the 473 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

18 April 2005

Top 20 records on 18 April 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 2005	Arad, RO	monthly rain	56.6 mm (2.2 in)	18.4 mm (0.7 in)	81 years	79 of 100 (Major)
18 April 2005	Lewistown AP, US	daily rain	26.2 mm (1.0 in)	13.5 mm (0.5 in)	108 years	67 of 100 (Major)
18 April 2005	Elliston, US	daily snowfall	26.7 cm (10.5 in)	25.4 cm (10.0 in)	39 years	52 of 100 (Notable)
18 April 2005	San Juan L M Marin Intl AP, PR	daily rain	96.8 mm (3.8 in)	63.8 mm (2.5 in)	22 years	51 of 100 (Notable)
18 April 2005	Bozeman Montana State UNIV, US	daily snowfall	21.6 cm (8.5 in)	14.0 cm (5.5 in)	64 years	51 of 100 (Notable)
18 April 2005	Eichstatt-Landershofen, DE	daily rain	28.8 mm (1.1 in)	16.5 mm (0.6 in)	32 years	50 of 100 (Notable)
18 April 2005	Ebeleben, DE	daily rain	30.7 mm (1.2 in)	18.3 mm (0.7 in)	10 years	48 of 100 (Notable)
18 April 2005	Virginia City, US	daily snowfall	20.3 cm (8.0 in)	10.1 cm (4.0 in)	78 years	48 of 100 (Notable)
18 April 2005	Weissenburg, DE	daily rain	27.5 mm (1.1 in)	12.3 mm (0.5 in)	32 years	46 of 100 (Notable)
18 April 2005	Langdon Exp Farm, US	daily high min	10.6 C (51.1 F)	3.4 C (6.1 F)	99 years	45 of 100 (Notable)
18 April 2005	Booker, US	daily rain	39.9 mm (1.6 in)	17.5 mm (0.7 in)	72 years	45 of 100 (Notable)
18 April 2005	Lajas Substn, PR	daily high max	33.3 C (91.9 F)	0.5 C (0.9 F)	104 years	44 of 100 (Notable)
18 April 2005	Genoa 2 W, US	daily rain	35.6 mm (1.4 in)	8.9 mm (0.35 in)	84 years	43 of 100 (Notable)
18 April 2005	Long Prairie, US	daily high min	13.3 C (55.9 F)	1.6 C (2.9 F)	99 years	42 of 100 (Notable)
18 April 2005	Tashkent, UZ	daily high max	32.2 C (90.0 F)	1.2 C (2.2 F)	113 years	42 of 100 (Notable)
18 April 2005	Palmerville, AU	daily low min	16.3 C (61.3 F)	0.4 C (0.7 F)	103 years	41 of 100 (Notable)
18 April 2005	Nadi Airport, FJ	daily rain	79.6 mm (3.1 in)	63.9 mm (2.5 in)	24 years	41 of 100 (Notable)
18 April 2005	Valencia, ES	daily high min	18.0 C (64.4 F)	3.6 C (6.5 F)	64 years	40 of 100 (Notable)
18 April 2005	Kadoka, US	daily high min	12.8 C (55.0 F)	2.2 C (4.0 F)	90 years	40 of 100 (Notable)
18 April 2005	Moruya Heads Pilot Station, AU	daily high max	30.1 C (86.2 F)	6.5 C (11.7 F)	27 years	39 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 622 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 2005-04-18: 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	459
50 to 100	6
100 to 150	6
150 to 200	1
200 to 250	0
250 to 300	1