Weather Records on 20 April 1958

327 weather records were set or tied worldwide on 20 April 1958. Highest significance: Parkdale, US.

Key Facts for 20 April 1958

On 20 April 1958, 327 weather records were set or tied at long-record stations worldwide.
125 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 315 daily.
Parkdale set a monthly record daily precipitation of 73.7 mm (2.9 in) on 20 April 1958.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 463 records.

Record Map

327 stations

327 station records on 20 April 1958 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1958: highest significance records shown on the map
Station	Country	Type	Value	Significance
Parkdale	United States	Record daily precipitation	73.7 mm (2.9 in)	60 of 100 (Major)
Srikakulam	India	Record daily precipitation	56.6 mm (2.2 in)	56 of 100 (Notable)
Cle Elum	United States	Record daily precipitation	30.5 mm (1.2 in)	56 of 100 (Notable)
Rimrock Tieton Dam	United States	Record daily precipitation	36.8 mm (1.4 in)	54 of 100 (Notable)
Gokak	India	Record daily precipitation	41.1 mm (1.6 in)	53 of 100 (Notable)
Lake Keechelus	United States	Record daily precipitation	46.2 mm (1.8 in)	51 of 100 (Notable)
Matjesvlei	South Africa	Record daily precipitation	34.0 mm (1.3 in)	48 of 100 (Notable)
Bumping Lake	United States	Record daily precipitation	42.7 mm (1.7 in)	48 of 100 (Notable)
Oregon City	United States	Record daily precipitation	43.7 mm (1.7 in)	47 of 100 (Notable)
Roberval Nord	Canada	Record daily precipitation	37.1 mm (1.5 in)	45 of 100 (Notable)
Guntur	India	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Hood Rvr Exp STN	United States	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Headworks Portland Wtr B	United States	Record daily precipitation	79.8 mm (3.1 in)	43 of 100 (Notable)
Three Lynx	United States	Record daily precipitation	49.5 mm (1.9 in)	43 of 100 (Notable)
Shikarpur	India	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Hospet	India	Record daily precipitation	31.5 mm (1.2 in)	38 of 100 (Notable)
Estacada 2 SE	United States	Record daily precipitation	55.4 mm (2.2 in)	37 of 100 (Notable)
Hilo 86A	United States	Record high minimum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Haliyal	India	Record daily precipitation	54.1 mm (2.1 in)	34 of 100 (Routine)
Hunsur	India	Record daily precipitation	45.7 mm (1.8 in)	34 of 100 (Routine)
Thirthahalli	India	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Teriberka	Russia	Record low minimum temperature	-17.1 C (1.2 F)	32 of 100 (Routine)
Sierra Madre Henszey	United States	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Sanklespur	India	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
San Luis Obispo Poly	United States	Record high minimum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
Albion	United States	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Randle 1 E	United States	Record daily precipitation	39.4 mm (1.6 in)	31 of 100 (Routine)
Fort Simpson	Canada	Record daily snowfall	6.4 cm (2.5 in)	30 of 100 (Routine)
Ponnur(Ponnuru)	India	Record daily precipitation	31.7 mm (1.2 in)	29 of 100 (Routine)
Majhgaon	India	Record daily precipitation	27.9 mm (1.1 in)	29 of 100 (Routine)
Vajda-Guba	Russia	Record low minimum temperature	-16.7 C (1.9 F)	29 of 100 (Routine)
Lake Cle Elum	United States	Record daily precipitation	39.4 mm (1.6 in)	29 of 100 (Routine)
Newport	United States	Record daily precipitation	32.8 mm (1.3 in)	29 of 100 (Routine)
Newport Beach Harbor	United States	Record high maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Kahuku 912	United States	Record low minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Los Angeles Downtown/Usc	United States	Record high maximum temperature	35.6 C (96.1 F)	28 of 100 (Routine)
Oxnard	United States	Record high maximum temperature	32.2 C (90.0 F)	27 of 100 (Routine)
Telluride 4WNW	United States	Record snow depth	15.2 cm (6.0 in)	27 of 100 (Routine)
Tenali	India	Record daily precipitation	39.6 mm (1.6 in)	26 of 100 (Routine)
Baia Mare	Romania	Record low minimum temperature	-1.6 C (29.1 F)	26 of 100 (Routine)
Detroit	United States	Record daily precipitation	33.5 mm (1.3 in)	26 of 100 (Routine)
N Bend SW Oregon Rgnl AP	United States	Record high minimum temperature	11.1 C (52.0 F)	26 of 100 (Routine)
Georgetown Post Office	Australia	Record high minimum temperature	23.9 C (75.0 F)	25 of 100 (Routine)
Tihoreck	Russia	Record daily precipitation	34.1 mm (1.3 in)	25 of 100 (Routine)
Pasadena	United States	Record high minimum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
Rayagada	India	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Gyshgy	Turkmenistan	Record high maximum temperature	33.2 C (91.8 F)	24 of 100 (Routine)
Guthrie 5S	United States	Record daily precipitation	29.2 mm (1.1 in)	24 of 100 (Routine)
Sunnyside	United States	Record high minimum temperature	9.4 C (48.9 F)	24 of 100 (Routine)
Ostrov Sosnovez	Russia	Record low maximum temperature	-9.8 C (14.4 F)	23 of 100 (Routine)
Dudinka	Russia	Record low minimum temperature	-34.4 C (-29.9 F)	23 of 100 (Routine)
Pomona/Fairplex	United States	Record high maximum temperature	36.1 C (97.0 F)	23 of 100 (Routine)
Geary	United States	Record daily precipitation	45.0 mm (1.8 in)	23 of 100 (Routine)
Oberstdorf	Germany	Record snow depth	23.0 cm (9.1 in)	22 of 100 (Routine)
Redlands	United States	Record high minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
San Pedro	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Yorba Linda	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Roebling	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Phillipsburg	United States	Record high minimum temperature	15.6 C (60.1 F)	22 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	30.0 C (86.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

327 records

Records set or tied on 20 April 1958 by type: Highest daily maximum 41, Lowest daily maximum 11, Highest daily minimum 84, Lowest daily minimum 9, Heaviest daily rainfall 178, Heaviest daily snowfall 1, Deepest snow cover 3.

Records on 20 April 1958 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	11
Highest daily minimum	84
Lowest daily minimum	9
Heaviest daily rainfall	178
Heaviest daily snowfall	1
Deepest snow cover	3

Records on 20 April 1958 by timescale: all-time 0, monthly 12, daily 315.

How Much Records Were Beaten By

275 broken records

Margins by which the 275 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 200.0. Ties are not counted.

Top 20 by Significance

20 April 1958

Top 20 records on 20 April 1958 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1958	Parkdale, US	monthly rain	73.7 mm (2.9 in)	34.3 mm (1.4 in)	21 years	60 of 100 (Major)
20 April 1958	Srikakulam, IN	daily rain	56.6 mm (2.2 in)	40.6 mm (1.6 in)	52 years	56 of 100 (Notable)
20 April 1958	Cle Elum, US	daily rain	30.5 mm (1.2 in)	24.4 mm (1.0 in)	35 years	56 of 100 (Notable)
20 April 1958	Rimrock Tieton Dam, US	daily rain	36.8 mm (1.4 in)	29.2 mm (1.1 in)	35 years	54 of 100 (Notable)
20 April 1958	Gokak, IN	daily rain	41.1 mm (1.6 in)	36.3 mm (1.4 in)	51 years	53 of 100 (Notable)
20 April 1958	Lake Keechelus, US	daily rain	46.2 mm (1.8 in)	29.9 mm (1.2 in)	20 years	51 of 100 (Notable)
20 April 1958	Matjesvlei, ZA	daily rain	34.0 mm (1.3 in)	28.7 mm (1.1 in)	25 years	48 of 100 (Notable)
20 April 1958	Bumping Lake, US	daily rain	42.7 mm (1.7 in)	31.3 mm (1.2 in)	15 years	48 of 100 (Notable)
20 April 1958	Oregon City, US	daily rain	43.7 mm (1.7 in)	18.0 mm (0.7 in)	40 years	47 of 100 (Notable)
20 April 1958	Roberval Nord, CA	daily rain	37.1 mm (1.5 in)	21.9 mm (0.9 in)	33 years	45 of 100 (Notable)
20 April 1958	Guntur, IN	daily rain	55.9 mm (2.2 in)	28.5 mm (1.1 in)	41 years	45 of 100 (Notable)
20 April 1958	Hood Rvr Exp STN, US	daily rain	26.7 mm (1.1 in)	9.9 mm (0.39 in)	64 years	44 of 100 (Notable)
20 April 1958	Headworks Portland Wtr B, US	monthly rain	79.8 mm (3.1 in)	15.0 mm (0.6 in)	38 years	43 of 100 (Notable)
20 April 1958	Three Lynx, US	daily rain	49.5 mm (1.9 in)	37.1 mm (1.5 in)	3 years	43 of 100 (Notable)
20 April 1958	Shikarpur, IN	daily rain	63.5 mm (2.5 in)	44.4 mm (1.7 in)	4 years	39 of 100 (Notable)
20 April 1958	Hospet, IN	daily rain	31.5 mm (1.2 in)	20.8 mm (0.8 in)	51 years	38 of 100 (Notable)
20 April 1958	Estacada 2 SE, US	monthly rain	55.4 mm (2.2 in)	7.9 mm (0.31 in)	39 years	37 of 100 (Notable)
20 April 1958	Hilo 86A, US	monthly high min	24.4 C (75.9 F)	1.1 C (2.0 F)	40 years	37 of 100 (Notable)
20 April 1958	Haliyal, IN	daily rain	54.1 mm (2.1 in)	26.2 mm (1.0 in)	24 years	34 of 100 (Routine)
20 April 1958	Hunsur, IN	daily rain	45.7 mm (1.8 in)	31.2 mm (1.2 in)	23 years	34 of 100 (Routine)

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 1958

Records set or tied on this calendar date in each year from 1807 to 1958. 1958 had 327 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 1958-04-20: 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 25	258
25 to 50	14
50 to 75	0
75 to 100	1
100 to 125	0
125 to 150	1
150 to 175	0
175 to 200	1