Weather Records on 17 April 1987

960 weather records were set or tied worldwide on 17 April 1987. Highest significance: Staunton Wtp, US.

Key Facts for 17 April 1987

On 17 April 1987, 960 weather records were set or tied at long-record stations worldwide.
711 were record highs and 67 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 25 monthly and 935 daily.
Staunton Wtp set a daily record precipitation of 55.9 mm (2.2 in) on 17 April 1987.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 449 records.

Record Map

960 stations

960 station records on 17 April 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Staunton Wtp	United States	Record daily precipitation	55.9 mm (2.2 in)	64 of 100 (Major)
Farmville	United States	Record daily precipitation	60.7 mm (2.4 in)	60 of 100 (Major)
Montebello 3 NE	United States	Record daily precipitation	83.3 mm (3.3 in)	57 of 100 (Notable)
Moorefield 1 SSE	United States	Record daily precipitation	39.9 mm (1.6 in)	57 of 100 (Notable)
Big Meadows	United States	Record daily precipitation	102.6 mm (4.0 in)	54 of 100 (Notable)
Minjilky	Kazakhstan	Record daily precipitation	36.9 mm (1.5 in)	53 of 100 (Notable)
Lednik Phedchenko (Im. Gorbuno	Tajikistan	Record daily precipitation	46.8 mm (1.8 in)	53 of 100 (Notable)
Piedmont Rsch STN	United States	Record daily precipitation	53.3 mm (2.1 in)	53 of 100 (Notable)
Bol'soe-Almaatinskoe-Ozero	Kazakhstan	Record daily precipitation	42.5 mm (1.7 in)	48 of 100 (Notable)
Tye Rvr 1 SE	United States	Record daily precipitation	59.7 mm (2.4 in)	48 of 100 (Notable)
Winchester 7 SE	United States	Record daily precipitation	50.8 mm (2.0 in)	48 of 100 (Notable)
Free Union	United States	Record daily precipitation	75.9 mm (3.0 in)	47 of 100 (Notable)
Dale Enterprise	United States	Record daily precipitation	27.9 mm (1.1 in)	44 of 100 (Notable)
Scottsville 6SE	United States	Record daily precipitation	47.8 mm (1.9 in)	44 of 100 (Notable)
Timberville 3 E	United States	Record daily precipitation	34.0 mm (1.3 in)	44 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record high maximum temperature	20.5 C (68.9 F)	43 of 100 (Notable)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	15.1 C (59.2 F)	42 of 100 (Notable)
Cuetzalan del Progreso	Mexico	Record low minimum temperature	5.0 C (41.0 F)	42 of 100 (Notable)
Savage Rvr Dam	United States	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Berowra (Goodwyn Road)	Australia	Record daily precipitation	75.2 mm (3.0 in)	41 of 100 (Notable)
Watsonville Wtr Wks	United States	Record high maximum temperature	30.0 C (86.0 F)	41 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	29.7 mm (1.2 in)	41 of 100 (Notable)
Woodstock 2 NE	United States	Record daily precipitation	37.1 mm (1.5 in)	41 of 100 (Notable)
Sandy Lake Dam Libby	United States	Record high maximum temperature	28.9 C (84.0 F)	40 of 100 (Notable)
Charlottesville 2W	United States	Record daily precipitation	62.5 mm (2.5 in)	40 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record daily precipitation	104.1 mm (4.1 in)	39 of 100 (Notable)
Bodie California St Historic P	United States	Record high maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Charlotte Court House	United States	Record daily precipitation	55.1 mm (2.2 in)	39 of 100 (Notable)
Danevang 1 W	United States	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)
Appomattox	United States	Record daily precipitation	63.5 mm (2.5 in)	38 of 100 (Notable)
Monterey	United States	Record daily precipitation	26.7 mm (1.1 in)	38 of 100 (Notable)
Boquilla Numero Uno	Mexico	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Detour Village	United States	Record high minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Moab	United States	Record high maximum temperature	31.7 C (89.1 F)	37 of 100 (Notable)
Pulaski 2 E	United States	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Warrenton 3 SE	United States	Record daily precipitation	58.7 mm (2.3 in)	37 of 100 (Notable)
Steamboat Springs	United States	Record high maximum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
San Saba	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Bremo Bluff	United States	Record daily precipitation	57.2 mm (2.3 in)	36 of 100 (Notable)
Mora Camp	Puerto Rico [United States]	Record daily precipitation	91.4 mm (3.6 in)	35 of 100 (Notable)
Porterville	United States	Record high minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Cloquet	United States	Record high maximum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Emporia 1 WNW	United States	Record daily precipitation	50.3 mm (2.0 in)	35 of 100 (Notable)
Northway AP	United States	Record daily snowfall	10.2 cm (4.0 in)	35 of 100 (Notable)
Malin Head	Ireland	Record high maximum temperature	19.4 C (66.9 F)	34 of 100 (Routine)
Vercniy-Gorel'nik	Kazakhstan	Record daily precipitation	58.5 mm (2.3 in)	34 of 100 (Routine)
Little Falls 2NNE	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Long Prairie	United States	Record high maximum temperature	29.4 C (84.9 F)	34 of 100 (Routine)
Winton Pwr Plt	United States	Record high maximum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
Cascade 5 S	United States	Record high minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Hot Springs	United States	Record daily precipitation	38.4 mm (1.5 in)	34 of 100 (Routine)
New England	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
El Reno 1 N	United States	Record high maximum temperature	33.9 C (93.0 F)	34 of 100 (Routine)
Paisley	United States	Record high minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Kearneysville	United States	Record daily precipitation	33.8 mm (1.3 in)	34 of 100 (Routine)
Independence	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)
Pratt 3NW	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)
Hettinger	United States	Record high minimum temperature	8.9 C (48.0 F)	33 of 100 (Routine)
Sugar Land	United States	Record high maximum temperature	33.3 C (91.9 F)	33 of 100 (Routine)
Fredericksburg Np	United States	Record daily precipitation	65.0 mm (2.6 in)	33 of 100 (Routine)

Counts by Type and Timescale

960 records

Records set or tied on 17 April 1987 by type: Highest daily maximum 539, Lowest daily maximum 29, Highest daily minimum 172, Lowest daily minimum 38, Heaviest daily rainfall 178, Heaviest daily snowfall 4.

Records on 17 April 1987 by type
Record type	Records
Highest daily maximum	539
Lowest daily maximum	29
Highest daily minimum	172
Lowest daily minimum	38
Heaviest daily rainfall	178
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 17 April 1987 by timescale: all-time 0, monthly 25, daily 935.

How Much Records Were Beaten By

690 broken records

Margins by which the 690 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 82.0. Ties are not counted.

Top 20 by Significance

17 April 1987

Top 20 records on 17 April 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 1987	Staunton Wtp, US	daily rain	55.9 mm (2.2 in)	36.1 mm (1.4 in)	53 years	64 of 100 (Major)
17 April 1987	Farmville, US	daily rain	60.7 mm (2.4 in)	39.1 mm (1.5 in)	53 years	60 of 100 (Major)
17 April 1987	Montebello 3 NE, US	daily rain	83.3 mm (3.3 in)	71.1 mm (2.8 in)	40 years	57 of 100 (Notable)
17 April 1987	Moorefield 1 SSE, US	daily rain	39.9 mm (1.6 in)	23.4 mm (0.9 in)	76 years	57 of 100 (Notable)
17 April 1987	Big Meadows, US	daily rain	102.6 mm (4.0 in)	69.6 mm (2.7 in)	32 years	54 of 100 (Notable)
17 April 1987	Minjilky, KZ	daily rain	36.9 mm (1.5 in)	23.9 mm (0.9 in)	37 years	53 of 100 (Notable)
17 April 1987	Lednik Phedchenko (Im. Gorbuno, TJ	daily rain	46.8 mm (1.8 in)	37.3 mm (1.5 in)	28 years	53 of 100 (Notable)
17 April 1987	Piedmont Rsch STN, US	daily rain	53.3 mm (2.1 in)	41.4 mm (1.6 in)	32 years	53 of 100 (Notable)
17 April 1987	Bol'soe-Almaatinskoe-Ozero, KZ	daily rain	42.5 mm (1.7 in)	28.5 mm (1.1 in)	22 years	48 of 100 (Notable)
17 April 1987	Tye Rvr 1 SE, US	daily rain	59.7 mm (2.4 in)	33.8 mm (1.3 in)	41 years	48 of 100 (Notable)
17 April 1987	Winchester 7 SE, US	daily rain	50.8 mm (2.0 in)	34.8 mm (1.4 in)	14 years	48 of 100 (Notable)
17 April 1987	Free Union, US	daily rain	75.9 mm (3.0 in)	71.3 mm (2.8 in)	14 years	47 of 100 (Notable)
17 April 1987	Dale Enterprise, US	daily rain	27.9 mm (1.1 in)	10.1 mm (0.4 in)	76 years	44 of 100 (Notable)
17 April 1987	Scottsville 6SE, US	daily rain	47.8 mm (1.9 in)	38.1 mm (1.5 in)	14 years	44 of 100 (Notable)
17 April 1987	Timberville 3 E, US	daily rain	34.0 mm (1.3 in)	20.3 mm (0.8 in)	52 years	44 of 100 (Notable)
17 April 1987	Dublin Phoenix Park, IE	daily high max	20.5 C (68.9 F)	0.9 C (1.6 F)	111 years	43 of 100 (Notable)
17 April 1987	Nuwara Eliya, LK	daily high min	15.1 C (59.2 F)	0.7 C (1.3 F)	114 years	42 of 100 (Notable)
17 April 1987	Cuetzalan del Progreso, MX	daily low min	5.0 C (41.0 F)	6.7 C (12.1 F)	53 years	42 of 100 (Notable)
17 April 1987	Savage Rvr Dam, US	daily rain	34.5 mm (1.4 in)	21.8 mm (0.9 in)	38 years	42 of 100 (Notable)
17 April 1987	Berowra (Goodwyn Road), AU	daily rain	75.2 mm (3.0 in)	22.4 mm (0.9 in)	72 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

1799 to 1987

Records set or tied on this calendar date in each year from 1799 to 1987. 1987 had 960 records.

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

Records on 04-17 in each year
Year	Records
1799	1
1807	1
1808	1
1815	1
1817	1
1818	1
1819	1
1823	1
1825	1
1830	1
1835	3
1837	1
1845	1
1847	2
1851	1
1852	3
1853	1
1854	1
1855	1
1857	1
1858	1
1862	1
1865	2
1868	1
1873	4
1874	1
1875	3
1877	4
1878	2
1880	2
1889	1
1890	2
1891	2
1892	4
1894	5
1895	1
1896	5
1897	6
1898	3
1899	1
1900	2
1901	4
1902	4
1903	5
1904	19
1905	11
1906	14
1907	16
1908	38
1909	7
1910	29
1911	33
1912	27
1913	20
1914	83
1915	30
1916	30
1917	32
1918	35
1919	39
1920	87
1921	148
1922	96
1923	71
1924	74
1925	103
1926	140
1927	256
1928	308
1929	145
1930	238
1931	216
1932	615
1933	261
1934	234
1935	374
1936	308
1937	439
1938	564
1939	618
1940	337
1941	460
1942	415
1943	285
1944	334
1945	475
1946	492
1947	461
1948	622
1949	439
1950	293
1951	441
1952	529
1953	818
1954	650
1955	394
1956	486
1957	277
1958	702
1959	434
1960	553
1961	667
1962	597
1963	702
1964	766
1965	411
1966	409
1967	935
1968	745
1969	728
1970	547
1971	924
1972	546
1973	589
1974	244
1975	666
1976	1,630
1977	906
1978	620
1979	810
1980	675
1981	621
1982	965
1983	1,365
1984	720
1985	917
1986	997
1987	960
1988	1,082
1989	638
1990	1,065
1991	614
1992	1,105
1993	847
1994	1,047
1995	1,211
1996	1,044
1997	889
1998	1,795
1999	1,730
2000	1,082
2001	1,013
2002	2,284
2003	1,037
2004	761
2005	572
2006	1,430
2007	863
2008	842
2009	779
2010	606
2011	982
2012	920
2013	1,796
2014	913
2015	813
2016	977
2017	469
2018	1,585
2019	458
2020	1,165
2021	701
2022	831
2023	628
2024	690
2025	1,058
2026	838

Download the Data

Data for records on 1987-04-17: 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 20	650
20 to 40	33
40 to 60	3
60 to 80	3
80 to 100	1