Weather Records on 20 April 1959

563 weather records were set or tied worldwide on 20 April 1959. Highest significance: Camp Crook, US.

Key Facts for 20 April 1959

On 20 April 1959, 563 weather records were set or tied at long-record stations worldwide.
107 were record highs and 166 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 550 daily.
Camp Crook set a daily record snowfall of 15.2 cm (6.0 in) on 20 April 1959.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 461 records.

Record Map

563 stations

563 station records on 20 April 1959 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1959: highest significance records shown on the map
Station	Country	Type	Value	Significance
Camp Crook	United States	Record daily snowfall	15.2 cm (6.0 in)	62 of 100 (Major)
Rockwell City	United States	Record daily snowfall	15.2 cm (6.0 in)	57 of 100 (Notable)
Sac City	United States	Record daily snowfall	17.8 cm (7.0 in)	57 of 100 (Notable)
Storm Lake	United States	Record daily snowfall	17.8 cm (7.0 in)	55 of 100 (Notable)
Vilnius	Lithuania	Record daily precipitation	35.6 mm (1.4 in)	53 of 100 (Notable)
Onawa 3NW	United States	Record daily snowfall	14.7 cm (5.8 in)	52 of 100 (Notable)
Bloomfield	United States	Record daily snowfall	20.3 cm (8.0 in)	51 of 100 (Notable)
Ft Dodge 5NNW	United States	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Wabash	United States	Record daily precipitation	54.4 mm (2.1 in)	49 of 100 (Notable)
Carlyle	United States	Record daily precipitation	43.9 mm (1.7 in)	48 of 100 (Notable)
Jefferson	United States	Record daily snowfall	12.7 cm (5.0 in)	48 of 100 (Notable)
Pocahontas	United States	Record daily snowfall	15.2 cm (6.0 in)	48 of 100 (Notable)
Logansport Cicott St	United States	Record daily precipitation	55.1 mm (2.2 in)	47 of 100 (Notable)
Storm Lake	United States	Record snow depth	17.8 cm (7.0 in)	45 of 100 (Notable)
Humboldt 3 W	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Santa Maria (Smn)	Mexico	Record daily precipitation	25.9 mm (1.0 in)	43 of 100 (Notable)
Alta	United States	Record snow depth	12.7 cm (5.0 in)	43 of 100 (Notable)
Tyndall	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Ellore	India	Record daily precipitation	50.5 mm (2.0 in)	42 of 100 (Notable)
Carroll	United States	Record daily snowfall	12.7 cm (5.0 in)	42 of 100 (Notable)
Grinnell 3 SW	United States	Record daily snowfall	22.9 cm (9.0 in)	42 of 100 (Notable)
W Lafayette 6 NW	United States	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Guthrie Ctr	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Logan 1 WNW	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Maxwell 3 NW	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Grundy Ctr	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Blair	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Walthill 1E	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
W Pt	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Fort Cunynghame (Bos)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	38 of 100 (Notable)
Ames 3 SW	United States	Record daily snowfall	15.2 cm (6.0 in)	38 of 100 (Notable)
Irapuato	Mexico	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Qacu (Bos)	South Africa	Record daily precipitation	36.5 mm (1.4 in)	37 of 100 (Notable)
Denison	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Knoxville	United States	Record daily precipitation	31.0 mm (1.2 in)	37 of 100 (Notable)
Marshalltown	United States	Record snow depth	12.7 cm (5.0 in)	37 of 100 (Notable)
Omalur	India	Record daily precipitation	26.8 mm (1.1 in)	36 of 100 (Notable)
Tekamah	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Jalpaiguri	India	Record daily precipitation	66.6 mm (2.6 in)	35 of 100 (Notable)
Halsey 2 W	United States	Record snow depth	15.2 cm (6.0 in)	35 of 100 (Notable)
Parkston 8 ENE	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Nargund	India	Record daily precipitation	50.8 mm (2.0 in)	34 of 100 (Routine)
Grinnell 3 SW	United States	Record snow depth	22.9 cm (9.0 in)	34 of 100 (Routine)
Harlan	United States	Record daily snowfall	9.7 cm (3.8 in)	34 of 100 (Routine)
Ewing	United States	Record daily snowfall	6.4 cm (2.5 in)	34 of 100 (Routine)
Vermillion 2 SE	United States	Record daily snowfall	5.1 cm (2.0 in)	34 of 100 (Routine)
Las Vigas	Mexico	Record daily precipitation	30.0 mm (1.2 in)	33 of 100 (Routine)
David City 4E	United States	Record daily precipitation	52.1 mm (2.1 in)	33 of 100 (Routine)
Cathcart	South Africa	Record daily precipitation	26.5 mm (1.0 in)	32 of 100 (Routine)
Griggsville	United States	Record daily precipitation	35.6 mm (1.4 in)	32 of 100 (Routine)
Pella 1S	United States	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Van Meter	United States	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Attur	India	Record daily precipitation	58.0 mm (2.3 in)	31 of 100 (Routine)
Marshalltown	United States	Record daily snowfall	12.7 cm (5.0 in)	31 of 100 (Routine)
Arcadia	United States	Record daily snowfall	5.1 cm (2.0 in)	31 of 100 (Routine)
Elgin	United States	Record daily snowfall	10.2 cm (4.0 in)	31 of 100 (Routine)
Darwin Loco Works	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Angamacutiro	Mexico	Record daily precipitation	25.4 mm (1.0 in)	30 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	29.7 mm (1.2 in)	30 of 100 (Routine)
Osceola	United States	Record low maximum temperature	3.9 C (39.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

563 records

Records set or tied on 20 April 1959 by type: Highest daily maximum 22, Lowest daily maximum 138, Highest daily minimum 85, Lowest daily minimum 28, Heaviest daily rainfall 193, Heaviest daily snowfall 79, Deepest snow cover 18.

Records on 20 April 1959 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	138
Highest daily minimum	85
Lowest daily minimum	28
Heaviest daily rainfall	193
Heaviest daily snowfall	79
Deepest snow cover	18

Records on 20 April 1959 by timescale: all-time 0, monthly 13, daily 550.

How Much Records Were Beaten By

483 broken records

Margins by which the 483 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

20 April 1959

Top 20 records on 20 April 1959 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1959	Camp Crook, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	65 years	62 of 100 (Major)
20 April 1959	Rockwell City, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	64 years	57 of 100 (Notable)
20 April 1959	Sac City, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	63 years	57 of 100 (Notable)
20 April 1959	Storm Lake, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	59 years	55 of 100 (Notable)
20 April 1959	Vilnius, LT	monthly rain	35.6 mm (1.4 in)	6.6 mm (0.26 in)	62 years	53 of 100 (Notable)
20 April 1959	Onawa 3NW, US	daily snowfall	14.7 cm (5.8 in)	14.7 cm (5.8 in)	59 years	52 of 100 (Notable)
20 April 1959	Bloomfield, US	daily snowfall	20.3 cm (8.0 in)	20.3 cm (8.0 in)	52 years	51 of 100 (Notable)
20 April 1959	Ft Dodge 5NNW, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	58 years	50 of 100 (Notable)
20 April 1959	Wabash, US	daily rain	54.4 mm (2.1 in)	39.9 mm (1.6 in)	20 years	49 of 100 (Notable)
20 April 1959	Carlyle, US	daily rain	43.9 mm (1.7 in)	28.9 mm (1.1 in)	65 years	48 of 100 (Notable)
20 April 1959	Jefferson, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	57 years	48 of 100 (Notable)
20 April 1959	Pocahontas, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	53 years	48 of 100 (Notable)
20 April 1959	Logansport Cicott St, US	daily rain	55.1 mm (2.2 in)	36.3 mm (1.4 in)	4 years	47 of 100 (Notable)
20 April 1959	Storm Lake, US	daily snow depth	17.8 cm (7.0 in)	15.3 cm (6.0 in)	48 years	45 of 100 (Notable)
20 April 1959	Humboldt 3 W, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	63 years	44 of 100 (Notable)
20 April 1959	Santa Maria (Smn), MX	daily rain	25.9 mm (1.0 in)	19.0 mm (0.7 in)	2 years	43 of 100 (Notable)
20 April 1959	Alta, US	daily snow depth	12.7 cm (5.0 in)	12.7 cm (5.0 in)	52 years	43 of 100 (Notable)
20 April 1959	Tyndall, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	56 years	43 of 100 (Notable)
20 April 1959	Ellore, IN	daily rain	50.5 mm (2.0 in)	36.5 mm (1.4 in)	26 years	42 of 100 (Notable)
20 April 1959	Carroll, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	54 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

1807 to 1959

Records set or tied on this calendar date in each year from 1807 to 1959. 1959 had 563 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 1959-04-20: 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	432
50 to 100	29
100 to 150	13
150 to 200	8
200 to 250	1