Weather Records on 20 April 2008

1,110 weather records were set or tied worldwide on 20 April 2008. Highest significance: Hagerstown 1E, US.

Key Facts for 20 April 2008

On 20 April 2008, 1,110 weather records were set or tied at long-record stations worldwide.
322 were record highs and 506 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 105 monthly and 1,005 daily.
Hagerstown 1E set a daily record precipitation of 68.8 mm (2.7 in) on 20 April 2008.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 458 records.

Record Map

1,110 stations

1,110 station records on 20 April 2008 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 2008: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hagerstown 1E	United States	Record daily precipitation	68.8 mm (2.7 in)	79 of 100 (Major)
Great Falls 16St	United States	Record daily snowfall	18.3 cm (7.2 in)	74 of 100 (Major)
Condon	United States	Record daily snowfall	6.1 cm (2.4 in)	55 of 100 (Notable)
Hamilton	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Idleyld Park 4 NE	United States	Record daily snowfall	16.5 cm (6.5 in)	50 of 100 (Notable)
Hopewell	United States	Record daily precipitation	52.1 mm (2.1 in)	50 of 100 (Notable)
Boulder	United States	Record daily snowfall	20.3 cm (8.0 in)	49 of 100 (Notable)
Great Falls 16St	United States	Record low maximum temperature	-6.1 C (21.0 F)	49 of 100 (Notable)
Quilcene 2 SW	United States	Record daily snowfall	7.6 cm (3.0 in)	49 of 100 (Notable)
Anaconda	United States	Record daily snowfall	24.4 cm (9.6 in)	47 of 100 (Notable)
Quantico MCAS	United States	Record daily precipitation	45.5 mm (1.8 in)	47 of 100 (Notable)
Heron 2 NW	United States	Record snow depth	22.9 cm (9.0 in)	46 of 100 (Notable)
Washington Reagan Natl AP	United States	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Butte Bert Mooney AP	United States	Record low minimum temperature	-17.2 C (1.0 F)	46 of 100 (Notable)
Yamba Pilot Station	Australia	Record daily precipitation	46.6 mm (1.8 in)	45 of 100 (Notable)
Berkeley	United States	Record low minimum temperature	2.2 C (36.0 F)	45 of 100 (Notable)
Ennis	United States	Record snow depth	12.7 cm (5.0 in)	45 of 100 (Notable)
Wisdom	United States	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Falfurrias	United States	Record low minimum temperature	5.6 C (42.1 F)	45 of 100 (Notable)
Boulder	United States	Record snow depth	17.8 cm (7.0 in)	44 of 100 (Notable)
Dayton 1 WSW	United States	Record low minimum temperature	-9.4 C (15.1 F)	44 of 100 (Notable)
Pineville	United States	Record daily precipitation	47.0 mm (1.9 in)	44 of 100 (Notable)
Wingham (Lanark Close)	Australia	Record daily precipitation	37.2 mm (1.5 in)	43 of 100 (Notable)
Calera	Mexico	Record high maximum temperature	41.7 C (107.1 F)	43 of 100 (Notable)
Downieville	United States	Record low minimum temperature	-5.0 C (23.0 F)	43 of 100 (Notable)
Waterdale	United States	Record high minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Porthill	United States	Record low maximum temperature	2.2 C (36.0 F)	43 of 100 (Notable)
Anaconda	United States	Record low minimum temperature	-15.0 C (5.0 F)	43 of 100 (Notable)
Missoula 6 NW WFO	United States	Record low maximum temperature	0.6 C (33.1 F)	43 of 100 (Notable)
Seneca	United States	Record low minimum temperature	-14.4 C (6.1 F)	43 of 100 (Notable)
Drummond Aviation	United States	Record snow depth	10.2 cm (4.0 in)	43 of 100 (Notable)
Spokane Intl AP	United States	Record low maximum temperature	3.9 C (39.0 F)	43 of 100 (Notable)
Sonora	United States	Record low minimum temperature	-2.2 C (28.0 F)	42 of 100 (Notable)
Denton	United States	Record low minimum temperature	-19.4 C (-2.9 F)	42 of 100 (Notable)
Haugan 1 W	United States	Record snow depth	45.7 cm (18.0 in)	42 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	44.5 mm (1.8 in)	42 of 100 (Notable)
Great Falls AP	United States	Record low minimum temperature	-18.3 C (-0.9 F)	42 of 100 (Notable)
Kempsey (Wide Street)	Australia	Record daily precipitation	35.7 mm (1.4 in)	41 of 100 (Notable)
Macksville Country Club	Australia	Record daily precipitation	48.6 mm (1.9 in)	41 of 100 (Notable)
Ukiah	United States	Record low minimum temperature	-1.1 C (30.0 F)	41 of 100 (Notable)
Catoctin Mtn Park	United States	Record daily precipitation	53.3 mm (2.1 in)	41 of 100 (Notable)
Rio Grande City	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Bowraville Recreation Club	Australia	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Legaspi	Philippines	Record daily precipitation	90.4 mm (3.6 in)	40 of 100 (Notable)
Glen 4 N	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Rye Patch Dam	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Winchester 7 SE	United States	Record daily precipitation	47.8 mm (1.9 in)	40 of 100 (Notable)
Dry Creek	United States	Record daily precipitation	40.4 mm (1.6 in)	40 of 100 (Notable)
Middletown Harrisburg Intl AP	United States	Record daily precipitation	32.8 mm (1.3 in)	40 of 100 (Notable)
Winnemucca AP	United States	Record low maximum temperature	3.9 C (39.0 F)	40 of 100 (Notable)
Ft Benton	United States	Record low minimum temperature	-17.8 C (0.0 F)	39 of 100 (Notable)
Shippensburg	United States	Record daily precipitation	50.3 mm (2.0 in)	39 of 100 (Notable)
Cascade 5 S	United States	Record low minimum temperature	-11.7 C (10.9 F)	38 of 100 (Notable)
Saint Ignatius	United States	Record low minimum temperature	-13.3 C (8.1 F)	38 of 100 (Notable)
Snoqualmie Falls	United States	Record low maximum temperature	5.0 C (41.0 F)	38 of 100 (Notable)
Richmond Intl AP	United States	Record daily precipitation	85.1 mm (3.4 in)	38 of 100 (Notable)
Byron Bay (Jacaranda Drive)	Australia	Record daily precipitation	59.2 mm (2.3 in)	37 of 100 (Notable)
Austin 1 W	United States	Record low minimum temperature	-18.3 C (-0.9 F)	37 of 100 (Notable)
Seeley Lake Rs	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Durham	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,110 records

Records set or tied on 20 April 2008 by type: Highest daily maximum 192, Lowest daily maximum 258, Highest daily minimum 130, Lowest daily minimum 248, Heaviest daily rainfall 166, Heaviest daily snowfall 60, Deepest snow cover 56.

Records on 20 April 2008 by type
Record type	Records
Highest daily maximum	192
Lowest daily maximum	258
Highest daily minimum	130
Lowest daily minimum	248
Heaviest daily rainfall	166
Heaviest daily snowfall	60
Deepest snow cover	56

Records on 20 April 2008 by timescale: all-time 0, monthly 105, daily 1,005.

How Much Records Were Beaten By

876 broken records

Margins by which the 876 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 300.0. Ties are not counted.

Top 20 by Significance

20 April 2008

Top 20 records on 20 April 2008 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 2008	Hagerstown 1E, US	daily rain	68.8 mm (2.7 in)	46.2 mm (1.8 in)	99 years	79 of 100 (Major)
20 April 2008	Great Falls 16St, US	daily snowfall	18.3 cm (7.2 in)	15.8 cm (6.2 in)	84 years	74 of 100 (Major)
20 April 2008	Condon, US	daily snowfall	6.1 cm (2.4 in)	6.1 cm (2.4 in)	96 years	55 of 100 (Notable)
20 April 2008	Hamilton, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	108 years	50 of 100 (Notable)
20 April 2008	Idleyld Park 4 NE, US	monthly snowfall	16.5 cm (6.5 in)	11.4 cm (4.5 in)	45 years	50 of 100 (Notable)
20 April 2008	Hopewell, US	daily rain	52.1 mm (2.1 in)	22.9 mm (0.9 in)	68 years	50 of 100 (Notable)
20 April 2008	Boulder, US	daily snowfall	20.3 cm (8.0 in)	15.2 cm (6.0 in)	41 years	49 of 100 (Notable)
20 April 2008	Great Falls 16St, US	daily low max	-6.1 C (21.0 F)	10.5 C (18.9 F)	81 years	49 of 100 (Notable)
20 April 2008	Quilcene 2 SW, US	monthly snowfall	7.6 cm (3.0 in)	2.5 cm (1.0 in)	88 years	49 of 100 (Notable)
20 April 2008	Anaconda, US	daily snowfall	24.4 cm (9.6 in)	14.0 cm (5.5 in)	7 years	47 of 100 (Notable)
20 April 2008	Quantico MCAS, US	daily rain	45.5 mm (1.8 in)	29.8 mm (1.2 in)	38 years	47 of 100 (Notable)
20 April 2008	Heron 2 NW, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	74 years	46 of 100 (Notable)
20 April 2008	Washington Reagan Natl AP, US	daily rain	35.6 mm (1.4 in)	19.1 mm (0.8 in)	65 years	46 of 100 (Notable)
20 April 2008	Butte Bert Mooney AP, US	daily low min	-17.2 C (1.0 F)	5.0 C (9.0 F)	81 years	46 of 100 (Notable)
20 April 2008	Yamba Pilot Station, AU	daily rain	46.6 mm (1.8 in)	11.0 mm (0.4 in)	114 years	45 of 100 (Notable)
20 April 2008	Berkeley, US	daily low min	2.2 C (36.0 F)	1.1 C (2.0 F)	111 years	45 of 100 (Notable)
20 April 2008	Ennis, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	82 years	45 of 100 (Notable)
20 April 2008	Wisdom, US	daily snowfall	15.2 cm (6.0 in)	12.7 cm (5.0 in)	41 years	45 of 100 (Notable)
20 April 2008	Falfurrias, US	daily low min	5.6 C (42.1 F)	3.3 C (5.9 F)	98 years	45 of 100 (Notable)
20 April 2008	Boulder, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	59 years	44 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 2008

Records set or tied on this calendar date in each year from 1807 to 2008. 2008 had 1,110 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 2008-04-20: 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	813
50 to 100	35
100 to 150	18
150 to 200	7
200 to 250	2
250 to 300	1