Weather Records on 20 April 1987

1,447 weather records were set or tied worldwide on 20 April 1987. Highest significance: Ekefors, SE.

Key Facts for 20 April 1987

On 20 April 1987, 1,447 weather records were set or tied at long-record stations worldwide.
984 were record highs and 138 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 121 monthly and 1,323 daily.
Ekefors set a monthly record daily precipitation of 39.0 mm (1.5 in) on 20 April 1987.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 456 records.

Record Map

1,447 stations

1,447 station records on 20 April 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ekefors	Sweden	Record daily precipitation	39.0 mm (1.5 in)	61 of 100 (Major)
Dzhambejty	Kazakhstan	Record daily precipitation	25.8 mm (1.0 in)	60 of 100 (Major)
Presa Requena	Mexico	Record daily precipitation	65.8 mm (2.6 in)	60 of 100 (Major)
Vaexjoe	Sweden	Record daily precipitation	27.0 mm (1.1 in)	57 of 100 (Notable)
Lessebo	Sweden	Record daily precipitation	29.6 mm (1.2 in)	56 of 100 (Notable)
Corning	United States	Record high maximum temperature	35.0 C (95.0 F)	48 of 100 (Notable)
Sira	Russia	Record daily precipitation	27.9 mm (1.1 in)	47 of 100 (Notable)
Ashland Exp Farm	United States	Record high minimum temperature	17.2 C (63.0 F)	47 of 100 (Notable)
Ida	South Africa	Record daily precipitation	29.0 mm (1.1 in)	46 of 100 (Notable)
Hernando	United States	Record high maximum temperature	32.8 C (91.0 F)	46 of 100 (Notable)
Arcadia	United States	Record high maximum temperature	33.9 C (93.0 F)	45 of 100 (Notable)
Valentine 10 WSW	United States	Record daily precipitation	33.3 mm (1.3 in)	45 of 100 (Notable)
Prentice #2	United States	Record high minimum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
El Salto	Mexico	Record daily precipitation	37.3 mm (1.5 in)	44 of 100 (Notable)
Buzuluk	Russia	Record daily precipitation	25.0 mm (1.0 in)	44 of 100 (Notable)
Grundsjon	Sweden	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Osby	Sweden	Record daily precipitation	25.4 mm (1.0 in)	44 of 100 (Notable)
Breckenridge	United States	Record daily snowfall	33.0 cm (13.0 in)	44 of 100 (Notable)
Jasso	Mexico	Record daily precipitation	41.9 mm (1.6 in)	41 of 100 (Notable)
Matjiesrivier (Skl)	South Africa	Record daily precipitation	38.0 mm (1.5 in)	41 of 100 (Notable)
Rangely 1E	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Sanderson	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Appleton	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Linguere	Senegal	Record high minimum temperature	34.8 C (94.6 F)	40 of 100 (Notable)
Jonesboro 3 SSE	United States	Record high maximum temperature	33.9 C (93.0 F)	40 of 100 (Notable)
Mena	United States	Record high maximum temperature	32.8 C (91.0 F)	40 of 100 (Notable)
Wynne	United States	Record high maximum temperature	32.8 C (91.0 F)	40 of 100 (Notable)
Windsor	United States	Record high maximum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
Die Hoop	South Africa	Record daily precipitation	57.0 mm (2.2 in)	39 of 100 (Notable)
Olofstrom	Sweden	Record daily precipitation	35.0 mm (1.4 in)	38 of 100 (Notable)
Prescott 2 NNW	United States	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)
Two Harbors	United States	Record high minimum temperature	8.3 C (46.9 F)	38 of 100 (Notable)
Lamar 7N	United States	Record high maximum temperature	33.3 C (91.9 F)	38 of 100 (Notable)
Owyhee Dam	United States	Record low minimum temperature	-10.0 C (14.0 F)	38 of 100 (Notable)
El Dorado Goodwin Fld	United States	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Fayetteville Exp STN	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Gravette	United States	Record high maximum temperature	32.2 C (90.0 F)	37 of 100 (Notable)
Mtn Home 1 NNW	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Sparta 1 W	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Winterset 4N	United States	Record high minimum temperature	18.9 C (66.0 F)	37 of 100 (Notable)
Yates Ctr	United States	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Plain Dealing	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Tower 2S	United States	Record high maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Lebanon 2W	United States	Record high maximum temperature	33.3 C (91.9 F)	37 of 100 (Notable)
Camden 1	United States	Record high maximum temperature	33.9 C (93.0 F)	36 of 100 (Notable)
Danville	United States	Record high maximum temperature	29.4 C (84.9 F)	36 of 100 (Notable)
Jeanerette 5 NW	United States	Record high maximum temperature	31.7 C (89.1 F)	36 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record high maximum temperature	32.2 C (90.0 F)	36 of 100 (Notable)
Pokegama Dam	United States	Record high maximum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Zumbrota	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Port Gibson 1 NE	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Fulton	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Willow Sprg Radio Kuku	United States	Record high maximum temperature	32.2 C (90.0 F)	36 of 100 (Notable)
Fremont	United States	Record high maximum temperature	33.9 C (93.0 F)	36 of 100 (Notable)
Amery	United States	Record high minimum temperature	18.9 C (66.0 F)	36 of 100 (Notable)
Huoshan	China	Record daily precipitation	74.4 mm (2.9 in)	35 of 100 (Notable)
Lady Frere (Tnk)	South Africa	Record daily precipitation	26.0 mm (1.0 in)	35 of 100 (Notable)
Izana	Spain	Record high minimum temperature	13.4 C (56.1 F)	35 of 100 (Notable)
Eldon	United States	Record high maximum temperature	32.8 C (91.0 F)	35 of 100 (Notable)
Salem	United States	Record high maximum temperature	32.8 C (91.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,447 records

Records set or tied on 20 April 1987 by type: Highest daily maximum 693, Lowest daily maximum 57, Highest daily minimum 291, Lowest daily minimum 81, Heaviest daily rainfall 309, Heaviest daily snowfall 10, Deepest snow cover 6.

Records on 20 April 1987 by type
Record type	Records
Highest daily maximum	693
Lowest daily maximum	57
Highest daily minimum	291
Lowest daily minimum	81
Heaviest daily rainfall	309
Heaviest daily snowfall	10
Deepest snow cover	6

Records on 20 April 1987 by timescale: all-time 3, monthly 121, daily 1,323.

How Much Records Were Beaten By

1,160 broken records

Margins by which the 1,160 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 1987

Top 20 records on 20 April 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1987	Ekefors, SE	monthly rain	39.0 mm (1.5 in)	20.5 mm (0.8 in)	23 years	61 of 100 (Major)
20 April 1987	Dzhambejty, KZ	daily rain	25.8 mm (1.0 in)	22.6 mm (0.9 in)	50 years	60 of 100 (Major)
20 April 1987	Presa Requena, MX	monthly rain	65.8 mm (2.6 in)	26.9 mm (1.1 in)	34 years	60 of 100 (Major)
20 April 1987	Vaexjoe, SE	daily rain	27.0 mm (1.1 in)	17.1 mm (0.7 in)	24 years	57 of 100 (Notable)
20 April 1987	Lessebo, SE	monthly rain	29.6 mm (1.2 in)	11.1 mm (0.4 in)	28 years	56 of 100 (Notable)
20 April 1987	Corning, US	monthly high max	35.0 C (95.0 F)	1.1 C (2.0 F)	91 years	48 of 100 (Notable)
20 April 1987	Sira, RU	monthly rain	27.9 mm (1.1 in)	6.8 mm (0.27 in)	37 years	47 of 100 (Notable)
20 April 1987	Ashland Exp Farm, US	monthly high min	17.2 C (63.0 F)	0.5 C (0.9 F)	92 years	47 of 100 (Notable)
20 April 1987	Ida, ZA	daily rain	29.0 mm (1.1 in)	6.1 mm (0.24 in)	96 years	46 of 100 (Notable)
20 April 1987	Hernando, US	monthly high max	32.8 C (91.0 F)	0.6 C (1.1 F)	87 years	46 of 100 (Notable)
20 April 1987	Arcadia, US	monthly high max	33.9 C (93.0 F)	0.6 C (1.1 F)	85 years	45 of 100 (Notable)
20 April 1987	Valentine 10 WSW, US	monthly rain	33.3 mm (1.3 in)	6.6 mm (0.26 in)	45 years	45 of 100 (Notable)
20 April 1987	Prentice #2, US	monthly high min	16.7 C (62.1 F)	1.1 C (2.0 F)	85 years	45 of 100 (Notable)
20 April 1987	El Salto, MX	daily rain	37.3 mm (1.5 in)	27.1 mm (1.1 in)	4 years	44 of 100 (Notable)
20 April 1987	Buzuluk, RU	daily rain	25.0 mm (1.0 in)	22.8 mm (0.9 in)	4 years	44 of 100 (Notable)
20 April 1987	Grundsjon, SE	daily rain	25.4 mm (1.0 in)	15.2 mm (0.6 in)	24 years	44 of 100 (Notable)
20 April 1987	Osby, SE	daily rain	25.4 mm (1.0 in)	16.2 mm (0.6 in)	4 years	44 of 100 (Notable)
20 April 1987	Breckenridge, US	daily snowfall	33.0 cm (13.0 in)	20.3 cm (8.0 in)	16 years	44 of 100 (Notable)
20 April 1987	Jasso, MX	daily rain	41.9 mm (1.6 in)	25.1 mm (1.0 in)	4 years	41 of 100 (Notable)
20 April 1987	Matjiesrivier (Skl), ZA	daily rain	38.0 mm (1.5 in)	23.5 mm (0.9 in)	38 years	41 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 1987

Records set or tied on this calendar date in each year from 1807 to 1987. 1987 had 1,447 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 1987-04-20: 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 50	1,154
50 to 100	4
100 to 150	1
150 to 200	0
200 to 250	1