Weather Records on 20 April 2005

707 weather records were set or tied worldwide on 20 April 2005. Highest significance: Britt 3E, US.

Key Facts for 20 April 2005

On 20 April 2005, 707 weather records were set or tied at long-record stations worldwide.
383 were record highs and 99 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 24 monthly and 682 daily.
Britt 3E set a daily record precipitation of 66.5 mm (2.6 in) on 20 April 2005.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 460 records.

Record Map

707 stations

707 station records on 20 April 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Britt 3E	United States	Record daily precipitation	66.5 mm (2.6 in)	75 of 100 (Major)
Blagovescensk	Russia	Record daily precipitation	40.5 mm (1.6 in)	60 of 100 (Major)
Blair	United States	Record daily precipitation	67.8 mm (2.7 in)	59 of 100 (Notable)
Port Sudan	Sudan	Record daily precipitation	61.2 mm (2.4 in)	58 of 100 (Notable)
Khartoum	Sudan	Record daily precipitation	62.2 mm (2.4 in)	58 of 100 (Notable)
Osage	United States	Record daily precipitation	58.7 mm (2.3 in)	58 of 100 (Notable)
Sattahip	Thailand	Record daily precipitation	108.5 mm (4.3 in)	57 of 100 (Notable)
Amvrosiivka	Ukraine	Record daily precipitation	41.0 mm (1.6 in)	57 of 100 (Notable)
American Falls 6 NE	United States	Record daily snowfall	20.8 cm (8.2 in)	57 of 100 (Notable)
Rapelje	United States	Record daily snowfall	21.1 cm (8.3 in)	56 of 100 (Notable)
Hazelton	United States	Record daily precipitation	38.6 mm (1.5 in)	55 of 100 (Notable)
Castleford 2 N	United States	Record daily precipitation	38.4 mm (1.5 in)	54 of 100 (Notable)
Harlowton	United States	Record daily snowfall	35.6 cm (14.0 in)	54 of 100 (Notable)
Mason City	United States	Record daily precipitation	73.7 mm (2.9 in)	51 of 100 (Notable)
Harlowton	United States	Record daily precipitation	34.8 mm (1.4 in)	51 of 100 (Notable)
Goodrich 1 E	United States	Record daily precipitation	44.2 mm (1.7 in)	51 of 100 (Notable)
Harbin	China	Record daily precipitation	29.4 mm (1.2 in)	50 of 100 (Notable)
Debaltseve	Ukraine	Record daily precipitation	43.3 mm (1.7 in)	50 of 100 (Notable)
Minidoka Dam	United States	Record daily precipitation	31.8 mm (1.3 in)	50 of 100 (Notable)
Albion	United States	Record high minimum temperature	21.1 C (70.0 F)	50 of 100 (Notable)
Rapelje	United States	Record daily precipitation	31.2 mm (1.2 in)	49 of 100 (Notable)
Yerevan	Armenia	Record high minimum temperature	16.7 C (62.1 F)	48 of 100 (Notable)
Suifenhe	China	Record daily precipitation	26.2 mm (1.0 in)	45 of 100 (Notable)
Hatfield	United States	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Medford	United States	Record daily precipitation	41.9 mm (1.6 in)	44 of 100 (Notable)
Clearmont 5 SW	United States	Record daily precipitation	37.3 mm (1.5 in)	44 of 100 (Notable)
Princeton	United States	Record high minimum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Ruby Lake Nwr	United States	Record daily snowfall	12.7 cm (5.0 in)	43 of 100 (Notable)
Marble Bar Comparison	Australia	Record high maximum temperature	41.0 C (105.8 F)	41 of 100 (Notable)
Ocampo	Mexico	Record low maximum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Whitefish Pt	United States	Record high minimum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Concordia ASOS	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Haines AP	United States	Record high minimum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Nikolsk	Russia	Record daily precipitation	30.7 mm (1.2 in)	40 of 100 (Notable)
Central Michigan UNIV	United States	Record high minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Kenai AP	United States	Record high minimum temperature	2.8 C (37.0 F)	40 of 100 (Notable)
Shoshone 1 WNW	United States	Record low maximum temperature	4.4 C (39.9 F)	39 of 100 (Notable)
Forest City 2 NNE	United States	Record daily precipitation	52.6 mm (2.1 in)	39 of 100 (Notable)
Syktyvkar	Russia	Record daily precipitation	27.1 mm (1.1 in)	38 of 100 (Notable)
Hoxie	United States	Record high minimum temperature	12.8 C (55.0 F)	38 of 100 (Notable)
Charlevoix	United States	Record high maximum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Beloit	United States	Record high maximum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Moultrie 2 ESE	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Hazelton	United States	Record low maximum temperature	3.3 C (37.9 F)	37 of 100 (Notable)
Howell Wwtp	United States	Record high maximum temperature	28.9 C (84.0 F)	37 of 100 (Notable)
Martinsdale 3 NNW	United States	Record snow depth	15.2 cm (6.0 in)	37 of 100 (Notable)
Niznij Novgorod	Russia	Record daily precipitation	30.4 mm (1.2 in)	36 of 100 (Notable)
Esengyly	Turkmenistan	Record high maximum temperature	38.9 C (102.0 F)	36 of 100 (Notable)
Glenns Ferry	United States	Record low maximum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Sidney 1SSE	United States	Record daily precipitation	36.8 mm (1.4 in)	36 of 100 (Notable)
Clover Valley	United States	Record daily snowfall	7.6 cm (3.0 in)	36 of 100 (Notable)
Aspendell	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Angola	United States	Record high minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Houghton Lake 6 WSW	United States	Record high maximum temperature	29.4 C (84.9 F)	35 of 100 (Notable)
Lima	United States	Record snow depth	30.5 cm (12.0 in)	35 of 100 (Notable)
Gibbs Rch - Jarbidge 24SE	United States	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
Zamboanga	Philippines	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Walthill 1E	United States	Record daily precipitation	38.9 mm (1.5 in)	34 of 100 (Routine)
Stanley Wwtp	United States	Record daily precipitation	37.6 mm (1.5 in)	34 of 100 (Routine)
Quinter	United States	Record high minimum temperature	13.3 C (55.9 F)	33 of 100 (Routine)

Counts by Type and Timescale

707 records

Records set or tied on 20 April 2005 by type: Highest daily maximum 171, Lowest daily maximum 51, Highest daily minimum 212, Lowest daily minimum 48, Heaviest daily rainfall 175, Heaviest daily snowfall 30, Deepest snow cover 20.

Records on 20 April 2005 by type
Record type	Records
Highest daily maximum	171
Lowest daily maximum	51
Highest daily minimum	212
Lowest daily minimum	48
Heaviest daily rainfall	175
Heaviest daily snowfall	30
Deepest snow cover	20

Records on 20 April 2005 by timescale: all-time 1, monthly 24, daily 682.

How Much Records Were Beaten By

517 broken records

Margins by which the 517 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

20 April 2005

Top 20 records on 20 April 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 2005	Britt 3E, US	daily rain	66.5 mm (2.6 in)	36.0 mm (1.4 in)	88 years	75 of 100 (Major)
20 April 2005	Blagovescensk, RU	daily rain	40.5 mm (1.6 in)	23.0 mm (0.9 in)	36 years	60 of 100 (Major)
20 April 2005	Blair, US	daily rain	67.8 mm (2.7 in)	41.1 mm (1.6 in)	36 years	59 of 100 (Notable)
20 April 2005	Port Sudan, SD	daily rain	61.2 mm (2.4 in)	61.2 mm (2.4 in)	47 years	58 of 100 (Notable)
20 April 2005	Khartoum, SD	daily rain	62.2 mm (2.4 in)	62.2 mm (2.4 in)	48 years	58 of 100 (Notable)
20 April 2005	Osage, US	daily rain	58.7 mm (2.3 in)	16.8 mm (0.7 in)	111 years	58 of 100 (Notable)
20 April 2005	Sattahip, TH	daily rain	108.5 mm (4.3 in)	98.8 mm (3.9 in)	40 years	57 of 100 (Notable)
20 April 2005	Amvrosiivka, UA	monthly rain	41.0 mm (1.6 in)	11.2 mm (0.4 in)	65 years	57 of 100 (Notable)
20 April 2005	American Falls 6 NE, US	monthly snowfall	20.8 cm (8.2 in)	8.1 cm (3.2 in)	50 years	57 of 100 (Notable)
20 April 2005	Rapelje, US	daily snowfall	21.1 cm (8.3 in)	18.6 cm (7.3 in)	78 years	56 of 100 (Notable)
20 April 2005	Hazelton, US	monthly rain	38.6 mm (1.5 in)	12.7 mm (0.5 in)	24 years	55 of 100 (Notable)
20 April 2005	Castleford 2 N, US	monthly rain	38.4 mm (1.5 in)	15.8 mm (0.6 in)	10 years	54 of 100 (Notable)
20 April 2005	Harlowton, US	daily snowfall	35.6 cm (14.0 in)	30.5 cm (12.0 in)	32 years	54 of 100 (Notable)
20 April 2005	Mason City, US	daily rain	73.7 mm (2.9 in)	35.6 mm (1.4 in)	12 years	51 of 100 (Notable)
20 April 2005	Harlowton, US	daily rain	34.8 mm (1.4 in)	23.1 mm (0.9 in)	20 years	51 of 100 (Notable)
20 April 2005	Goodrich 1 E, US	daily rain	44.2 mm (1.7 in)	31.5 mm (1.2 in)	23 years	51 of 100 (Notable)
20 April 2005	Harbin, CN	daily rain	29.4 mm (1.2 in)	15.3 mm (0.6 in)	36 years	50 of 100 (Notable)
20 April 2005	Debaltseve, UA	monthly rain	43.3 mm (1.7 in)	6.7 mm (0.26 in)	69 years	50 of 100 (Notable)
20 April 2005	Minidoka Dam, US	monthly rain	31.8 mm (1.3 in)	8.9 mm (0.35 in)	33 years	50 of 100 (Notable)
20 April 2005	Albion, US	monthly high min	21.1 C (70.0 F)	0.5 C (0.9 F)	108 years	50 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

1807 to 2005

Records set or tied on this calendar date in each year from 1807 to 2005. 2005 had 707 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 2005-04-20: 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	487
50 to 100	19
100 to 150	7
150 to 200	3
200 to 250	0
250 to 300	0
300 to 350	1