Weather Records on 12 April 1987

606 weather records were set or tied worldwide on 12 April 1987. Highest significance: Madrid, US.

Key Facts for 12 April 1987

On 12 April 1987, 606 weather records were set or tied at long-record stations worldwide.
148 were record highs and 219 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 19 monthly and 586 daily.
Madrid set a daily record snowfall of 25.4 cm (10.0 in) on 12 April 1987.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 501 records.

Record Map

606 stations

606 station records on 12 April 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 April 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Madrid	United States	Record daily snowfall	25.4 cm (10.0 in)	75 of 100 (Major)
Simferopol	Ukraine	Record daily precipitation	39.0 mm (1.5 in)	73 of 100 (Major)
Feodosiia	Ukraine	Record daily precipitation	34.7 mm (1.4 in)	68 of 100 (Major)
Ogallala	United States	Record daily snowfall	13.2 cm (5.2 in)	56 of 100 (Notable)
Carazinho	Brazil	Record daily precipitation	147.0 mm (5.8 in)	51 of 100 (Notable)
Morovis 1 N	Puerto Rico [United States]	Record daily precipitation	198.6 mm (7.8 in)	50 of 100 (Notable)
Breckenridge	United States	Record daily snowfall	30.0 cm (11.8 in)	50 of 100 (Notable)
Scandia	United States	Record daily precipitation	78.7 mm (3.1 in)	50 of 100 (Notable)
Dorado 2 WNW	Puerto Rico [United States]	Record daily precipitation	137.9 mm (5.4 in)	49 of 100 (Notable)
San Juan L M Marin Intl AP	Puerto Rico [United States]	Record daily precipitation	98.6 mm (3.9 in)	47 of 100 (Notable)
Middelweg	South Africa	Record daily precipitation	65.0 mm (2.6 in)	46 of 100 (Notable)
Cimarron	United States	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Gunnison 3SW	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
Garcia	Brazil	Record daily precipitation	54.0 mm (2.1 in)	44 of 100 (Notable)
Calarasi	Romania	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Yevpatoriia	Ukraine	Record daily precipitation	26.4 mm (1.0 in)	44 of 100 (Notable)
Taio (Pcd)	Brazil	Record daily precipitation	50.9 mm (2.0 in)	43 of 100 (Notable)
Boulder	United States	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Greene	United States	Record daily precipitation	32.8 mm (1.3 in)	40 of 100 (Notable)
Lancaster 2 NW	United States	Record daily precipitation	56.9 mm (2.2 in)	40 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Hazelton	United States	Record low minimum temperature	-12.2 C (10.0 F)	39 of 100 (Notable)
Puerto Real	Puerto Rico [United States]	Record daily precipitation	101.6 mm (4.0 in)	38 of 100 (Notable)
Toa Baja 1 SSW	Puerto Rico [United States]	Record daily precipitation	134.6 mm (5.3 in)	38 of 100 (Notable)
Dolores	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Beulah	United States	Record low maximum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Carnarvon (Pol)	South Africa	Record daily precipitation	35.0 mm (1.4 in)	37 of 100 (Notable)
Lagos de Moreno (Dge)	Mexico	Record low maximum temperature	20.6 C (69.1 F)	36 of 100 (Notable)
Salida	United States	Record low maximum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Manorkill	United States	Record daily precipitation	33.5 mm (1.3 in)	36 of 100 (Notable)
Alamosa-Bergman Fld	United States	Record daily snowfall	16.0 cm (6.3 in)	36 of 100 (Notable)
Kalumburu Mission	Australia	Record low maximum temperature	28.6 C (83.5 F)	35 of 100 (Notable)
Warnow	Brazil	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Corozal Substn	Puerto Rico [United States]	Record daily precipitation	230.9 mm (9.1 in)	35 of 100 (Notable)
Ft Ross	United States	Record low minimum temperature	0.6 C (33.1 F)	35 of 100 (Notable)
Griffiss AFB	United States	Record high minimum temperature	8.9 C (48.0 F)	35 of 100 (Notable)
Divisa de Anitapolis	Brazil	Record daily precipitation	54.0 mm (2.1 in)	33 of 100 (Routine)
Kutchan	Japan	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Shokan Brown Station	United States	Record daily precipitation	40.9 mm (1.6 in)	33 of 100 (Routine)
Prata	Brazil	Record daily precipitation	140.0 mm (5.5 in)	32 of 100 (Routine)
Placerville	United States	Record high minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Guadalajara (Dge)	Mexico	Record low maximum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Vega de Alatorre	Mexico	Record low minimum temperature	11.7 C (53.1 F)	31 of 100 (Routine)
Lares	Puerto Rico [United States]	Record daily precipitation	78.5 mm (3.1 in)	31 of 100 (Routine)
Carnarvon	South Africa	Record daily precipitation	40.5 mm (1.6 in)	31 of 100 (Routine)
Troy	United States	Record low maximum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Kooskia	United States	Record low minimum temperature	-5.0 C (23.0 F)	31 of 100 (Routine)
Benedito Novo	Brazil	Record daily precipitation	27.0 mm (1.1 in)	30 of 100 (Routine)
Vinhedo	Brazil	Record daily precipitation	54.5 mm (2.1 in)	30 of 100 (Routine)
Huetamo	Mexico	Record high maximum temperature	47.2 C (117.0 F)	30 of 100 (Routine)
Goodland	United States	Record daily snowfall	9.1 cm (3.6 in)	30 of 100 (Routine)
Adak AP	United States	Record daily snowfall	9.7 cm (3.8 in)	30 of 100 (Routine)
Colonia Xadrez	Brazil	Record daily precipitation	167.5 mm (6.6 in)	29 of 100 (Routine)
Santa Isabel	Brazil	Record daily precipitation	46.9 mm (1.8 in)	29 of 100 (Routine)
Taguai (Ribeiropolis)	Brazil	Record daily precipitation	45.5 mm (1.8 in)	29 of 100 (Routine)
Nueva Italia (Cfe)	Mexico	Record low minimum temperature	13.3 C (55.9 F)	29 of 100 (Routine)
Jayuya	Puerto Rico [United States]	Record daily precipitation	44.7 mm (1.8 in)	29 of 100 (Routine)
Stamford	United States	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Rinconada	Mexico	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Tweespruit	South Africa	Record daily precipitation	47.5 mm (1.9 in)	28 of 100 (Routine)

Counts by Type and Timescale

606 records

Records set or tied on 12 April 1987 by type: Highest daily maximum 53, Lowest daily maximum 138, Highest daily minimum 95, Lowest daily minimum 81, Heaviest daily rainfall 195, Heaviest daily snowfall 30, Deepest snow cover 14.

Records on 12 April 1987 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	138
Highest daily minimum	95
Lowest daily minimum	81
Heaviest daily rainfall	195
Heaviest daily snowfall	30
Deepest snow cover	14

Records on 12 April 1987 by timescale: all-time 1, monthly 19, daily 586.

How Much Records Were Beaten By

507 broken records

Margins by which the 507 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 254.0. Ties are not counted.

Top 20 by Significance

12 April 1987

Top 20 records on 12 April 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 April 1987	Madrid, US	daily snowfall	25.4 cm (10.0 in)	25.4 cm (10.0 in)	93 years	75 of 100 (Major)
12 April 1987	Simferopol, UA	daily rain	39.0 mm (1.5 in)	28.1 mm (1.1 in)	78 years	73 of 100 (Major)
12 April 1987	Feodosiia, UA	daily rain	34.7 mm (1.4 in)	20.3 mm (0.8 in)	60 years	68 of 100 (Major)
12 April 1987	Ogallala, US	daily snowfall	13.2 cm (5.2 in)	13.2 cm (5.2 in)	70 years	56 of 100 (Notable)
12 April 1987	Carazinho, BR	daily rain	147.0 mm (5.8 in)	88.2 mm (3.5 in)	25 years	51 of 100 (Notable)
12 April 1987	Morovis 1 N, PR	daily rain	198.6 mm (7.8 in)	90.9 mm (3.6 in)	24 years	50 of 100 (Notable)
12 April 1987	Breckenridge, US	daily snowfall	30.0 cm (11.8 in)	9.7 cm (3.8 in)	92 years	50 of 100 (Notable)
12 April 1987	Scandia, US	daily rain	78.7 mm (3.1 in)	59.9 mm (2.4 in)	20 years	50 of 100 (Notable)
12 April 1987	Dorado 2 WNW, PR	daily rain	137.9 mm (5.4 in)	70.3 mm (2.8 in)	14 years	49 of 100 (Notable)
12 April 1987	San Juan L M Marin Intl AP, PR	daily rain	98.6 mm (3.9 in)	77.8 mm (3.1 in)	16 years	47 of 100 (Notable)
12 April 1987	Middelweg, ZA	daily rain	65.0 mm (2.6 in)	29.9 mm (1.2 in)	37 years	46 of 100 (Notable)
12 April 1987	Cimarron, US	daily rain	25.4 mm (1.0 in)	21.6 mm (0.9 in)	12 years	46 of 100 (Notable)
12 April 1987	Gunnison 3SW, US	daily snowfall	7.6 cm (3.0 in)	5.6 cm (2.2 in)	80 years	46 of 100 (Notable)
12 April 1987	Garcia, BR	daily rain	54.0 mm (2.1 in)	36.8 mm (1.4 in)	28 years	44 of 100 (Notable)
12 April 1987	Calarasi, RO	daily rain	27.4 mm (1.1 in)	17.9 mm (0.7 in)	32 years	44 of 100 (Notable)
12 April 1987	Yevpatoriia, UA	daily rain	26.4 mm (1.0 in)	14.6 mm (0.6 in)	28 years	44 of 100 (Notable)
12 April 1987	Taio (Pcd), BR	daily rain	50.9 mm (2.0 in)	34.7 mm (1.4 in)	32 years	43 of 100 (Notable)
12 April 1987	Boulder, US	daily rain	29.0 mm (1.1 in)	8.7 mm (0.34 in)	84 years	41 of 100 (Notable)
12 April 1987	Greene, US	daily rain	32.8 mm (1.3 in)	16.5 mm (0.6 in)	38 years	40 of 100 (Notable)
12 April 1987	Lancaster 2 NW, US	daily rain	56.9 mm (2.2 in)	23.4 mm (0.9 in)	38 years	40 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

1793 to 1987

Records set or tied on this calendar date in each year from 1793 to 1987. 1987 had 606 records.

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

Records on 04-12 in each year
Year	Records
1793	1
1805	1
1810	1
1812	2
1817	2
1826	1
1831	1
1845	1
1850	1
1854	1
1865	2
1866	2
1868	4
1869	5
1871	1
1873	1
1874	5
1876	2
1877	1
1878	1
1879	4
1881	1
1882	1
1885	2
1889	4
1890	10
1891	3
1892	2
1893	4
1894	1
1895	1
1896	1
1897	4
1898	4
1899	5
1900	6
1901	5
1902	3
1903	10
1904	11
1905	19
1906	24
1907	5
1908	10
1909	16
1910	15
1911	26
1912	48
1913	88
1914	41
1915	125
1916	37
1917	33
1918	40
1919	39
1920	148
1921	34
1922	48
1923	134
1924	69
1925	178
1926	347
1927	179
1928	145
1929	141
1930	638
1931	267
1932	253
1933	551
1934	531
1935	171
1936	277
1937	236
1938	175
1939	1,174
1940	1,407
1941	869
1942	191
1943	614
1944	423
1945	884
1946	347
1947	733
1948	1,496
1949	358
1950	638
1951	1,102
1952	455
1953	707
1954	424
1955	611
1956	382
1957	910
1958	542
1959	513
1960	314
1961	551
1962	510
1963	518
1964	363
1965	659
1966	520
1967	682
1968	717
1969	352
1970	568
1971	587
1972	1,316
1973	903
1974	822
1975	704
1976	1,076
1977	1,069
1978	533
1979	1,096
1980	611
1981	1,068
1982	852
1983	877
1984	671
1985	734
1986	1,350
1987	606
1988	1,369
1989	1,838
1990	946
1991	1,484
1992	1,000
1993	586
1994	1,375
1995	1,173
1996	994
1997	3,094
1998	1,409
1999	873
2000	784
2001	1,369
2002	600
2003	1,079
2004	964
2005	536
2006	796
2007	1,144
2008	1,015
2009	811
2010	935
2011	1,026
2012	666
2013	1,039
2014	597
2015	504
2016	595
2017	519
2018	868
2019	685
2020	1,150
2021	710
2022	1,862
2023	1,262
2024	1,086
2025	1,281
2026	622

Download the Data

Data for records on 1987-04-12: 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	481
50 to 100	20
100 to 150	5
150 to 200	0
200 to 250	0
250 to 300	1