Weather Records on 21 April 2016

587 weather records were set or tied worldwide on 21 April 2016. Highest significance: Buffalo Bill Dam, US.

Key Facts for 21 April 2016

On 21 April 2016, 587 weather records were set or tied at long-record stations worldwide.
446 were record highs and 7 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 19 monthly and 567 daily.
Buffalo Bill Dam set a daily record precipitation of 69.9 mm (2.8 in) on 21 April 2016.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

587 stations

587 station records on 21 April 2016 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 2016: highest significance records shown on the map
Station	Country	Type	Value	Significance
Buffalo Bill Dam	United States	Record daily precipitation	69.9 mm (2.8 in)	71 of 100 (Major)
Morsansk	Russia	Record daily precipitation	30.0 mm (1.2 in)	59 of 100 (Notable)
Marianna 2 S	United States	Record daily precipitation	82.8 mm (3.3 in)	56 of 100 (Notable)
Rockefeller Wl Refuge	United States	Record daily precipitation	208.3 mm (8.2 in)	52 of 100 (Notable)
Akron	United States	Record daily precipitation	32.5 mm (1.3 in)	50 of 100 (Notable)
Hartington	United States	Record daily precipitation	62.7 mm (2.5 in)	49 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	36.8 mm (1.4 in)	48 of 100 (Notable)
Emerson	United States	Record daily precipitation	50.8 mm (2.0 in)	48 of 100 (Notable)
North Lakhimpur	India	Record daily precipitation	65.0 mm (2.6 in)	47 of 100 (Notable)
Krasnaja Poljana	Russia	Record daily precipitation	69.2 mm (2.7 in)	46 of 100 (Notable)
Seward AP	United States	Record high maximum temperature	15.6 C (60.1 F)	46 of 100 (Notable)
Coupeville 1 S	United States	Record high maximum temperature	23.3 C (73.9 F)	45 of 100 (Notable)
Rosalia	United States	Record high minimum temperature	11.1 C (52.0 F)	45 of 100 (Notable)
Tambov	Russia	Record daily precipitation	27.0 mm (1.1 in)	43 of 100 (Notable)
Spokane Intl AP	United States	Record high minimum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Morris 1NW	United States	Record high minimum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Streator 2SE	United States	Record high minimum temperature	11.1 C (52.0 F)	42 of 100 (Notable)
Coupeville 1 S	United States	Record high minimum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Diablo Dam	United States	Record high maximum temperature	31.7 C (89.1 F)	42 of 100 (Notable)
Everett	United States	Record high maximum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
Everett	United States	Record high minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Olga 2 SE	United States	Record high minimum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Bennington 3WSW	United States	Record daily precipitation	44.2 mm (1.7 in)	40 of 100 (Notable)
Anacortes	United States	Record high maximum temperature	24.4 C (75.9 F)	40 of 100 (Notable)
Darrington Rs	United States	Record high minimum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Du Quoin 4 SE	United States	Record daily precipitation	59.4 mm (2.3 in)	39 of 100 (Notable)
Frankfort Disposal	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Beaver Falls	United States	Record high minimum temperature	10.6 C (51.1 F)	39 of 100 (Notable)
Tezpur	India	Record daily precipitation	39.1 mm (1.5 in)	38 of 100 (Notable)
Calhoun 4ENE	United States	Record daily precipitation	53.8 mm (2.1 in)	38 of 100 (Notable)
High Pt	United States	Record high minimum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Liberty	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Bremerton	United States	Record high maximum temperature	27.8 C (82.0 F)	38 of 100 (Notable)
Forks 1 E	United States	Record high minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Quilcene 2 SW	United States	Record high maximum temperature	28.3 C (82.9 F)	38 of 100 (Notable)
Sedro-Woolley	United States	Record high maximum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Voronez	Russia	Record daily precipitation	26.8 mm (1.1 in)	37 of 100 (Notable)
Yankton 2 E	United States	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Mapleton No.2	United States	Record daily precipitation	53.3 mm (2.1 in)	36 of 100 (Notable)
Hackberry 8 SSW	United States	Record daily precipitation	159.3 mm (6.3 in)	36 of 100 (Notable)
Gibson Dam	United States	Record high maximum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Darrington Rs	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Landsburg	United States	Record high minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Palmer 3 ESE	United States	Record high minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Podor	Senegal	Record high maximum temperature	45.6 C (114.1 F)	35 of 100 (Notable)
Monroe	United States	Record high minimum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Stehekin 4 NW	United States	Record high maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Elkins- Randolph Co AP	United States	Record high minimum temperature	14.4 C (57.9 F)	35 of 100 (Notable)
Iizuka	Japan	Record daily precipitation	72.9 mm (2.9 in)	34 of 100 (Routine)
Fukue	Japan	Record daily precipitation	106.9 mm (4.2 in)	34 of 100 (Routine)
Derbent	Russia	Record high maximum temperature	25.9 C (78.6 F)	34 of 100 (Routine)
Bonners Ferry	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Missoula 6 NW WFO	United States	Record high maximum temperature	28.3 C (82.9 F)	34 of 100 (Routine)
Elwha Rs	United States	Record high minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Wenatchee	United States	Record high maximum temperature	30.0 C (86.0 F)	34 of 100 (Routine)
Superior	United States	Record high maximum temperature	29.4 C (84.9 F)	34 of 100 (Routine)
Fenn Rs	United States	Record high maximum temperature	31.7 C (89.1 F)	33 of 100 (Routine)
Hirado	Japan	Record daily precipitation	106.9 mm (4.2 in)	32 of 100 (Routine)
Gronning	Norway	Record daily precipitation	32.6 mm (1.3 in)	32 of 100 (Routine)
Tyumen Amsg	Russia	Record high minimum temperature	11.3 C (52.3 F)	32 of 100 (Routine)

Counts by Type and Timescale

587 records

Records set or tied on 21 April 2016 by type: Highest daily maximum 236, Lowest daily maximum 1, Highest daily minimum 210, Lowest daily minimum 6, Heaviest daily rainfall 132, Deepest snow cover 2.

Records on 21 April 2016 by type
Record type	Records
Highest daily maximum	236
Lowest daily maximum	1
Highest daily minimum	210
Lowest daily minimum	6
Heaviest daily rainfall	132
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 21 April 2016 by timescale: all-time 1, monthly 19, daily 567.

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 81.3. Ties are not counted.

Top 20 by Significance

21 April 2016

Top 20 records on 21 April 2016 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 2016	Buffalo Bill Dam, US	daily rain	69.9 mm (2.8 in)	54.4 mm (2.1 in)	72 years	71 of 100 (Major)
21 April 2016	Morsansk, RU	monthly rain	30.0 mm (1.2 in)	9.7 mm (0.38 in)	50 years	59 of 100 (Notable)
21 April 2016	Marianna 2 S, US	daily rain	82.8 mm (3.3 in)	34.8 mm (1.4 in)	89 years	56 of 100 (Notable)
21 April 2016	Rockefeller Wl Refuge, US	monthly rain	208.3 mm (8.2 in)	81.3 mm (3.2 in)	14 years	52 of 100 (Notable)
21 April 2016	Akron, US	daily rain	32.5 mm (1.3 in)	15.2 mm (0.6 in)	84 years	50 of 100 (Notable)
21 April 2016	Hartington, US	monthly rain	62.7 mm (2.5 in)	1.7 mm (0.07 in)	96 years	49 of 100 (Notable)
21 April 2016	Bloomfield, US	daily rain	36.8 mm (1.4 in)	8.9 mm (0.35 in)	104 years	48 of 100 (Notable)
21 April 2016	Emerson, US	daily rain	50.8 mm (2.0 in)	27.4 mm (1.1 in)	44 years	48 of 100 (Notable)
21 April 2016	North Lakhimpur, IN	daily rain	65.0 mm (2.6 in)	18.0 mm (0.7 in)	89 years	47 of 100 (Notable)
21 April 2016	Krasnaja Poljana, RU	daily rain	69.2 mm (2.7 in)	33.1 mm (1.3 in)	24 years	46 of 100 (Notable)
21 April 2016	Seward AP, US	daily high max	15.6 C (60.1 F)	2.3 C (4.1 F)	104 years	46 of 100 (Notable)
21 April 2016	Coupeville 1 S, US	daily high max	23.3 C (73.9 F)	3.3 C (5.9 F)	86 years	45 of 100 (Notable)
21 April 2016	Rosalia, US	daily high min	11.1 C (52.0 F)	1.7 C (3.1 F)	110 years	45 of 100 (Notable)
21 April 2016	Tambov, RU	monthly rain	27.0 mm (1.1 in)	4.9 mm (0.19 in)	37 years	43 of 100 (Notable)
21 April 2016	Spokane Intl AP, US	daily high min	13.3 C (55.9 F)	1.1 C (2.0 F)	110 years	43 of 100 (Notable)
21 April 2016	Morris 1NW, US	daily high min	13.3 C (55.9 F)	1.1 C (2.0 F)	101 years	42 of 100 (Notable)
21 April 2016	Streator 2SE, US	daily high min	11.1 C (52.0 F)	1.1 C (2.0 F)	110 years	42 of 100 (Notable)
21 April 2016	Coupeville 1 S, US	daily high min	10.0 C (50.0 F)	0.6 C (1.1 F)	113 years	42 of 100 (Notable)
21 April 2016	Diablo Dam, US	daily high max	31.7 C (89.1 F)	5.0 C (9.0 F)	77 years	42 of 100 (Notable)
21 April 2016	Everett, US	daily high max	25.0 C (77.0 F)	2.8 C (5.0 F)	82 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

1793 to 2016

Records set or tied on this calendar date in each year from 1793 to 2016. 2016 had 587 records.

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

Records on 04-21 in each year
Year	Records
1793	1
1814	1
1820	1
1838	1
1849	2
1851	1
1852	3
1854	1
1858	3
1861	2
1865	3
1866	1
1868	1
1870	1
1875	4
1876	2
1877	1
1879	3
1880	1
1881	1
1882	1
1884	1
1885	2
1888	1
1890	1
1891	1
1892	1
1893	2
1894	4
1895	1
1897	1
1898	2
1899	2
1900	7
1901	17
1902	7
1903	3
1904	10
1905	18
1906	5
1907	17
1908	25
1909	20
1910	33
1911	9
1912	22
1913	14
1914	220
1915	24
1916	64
1917	48
1918	84
1919	31
1920	85
1921	59
1922	70
1923	223
1924	119
1925	295
1926	148
1927	284
1928	269
1929	193
1930	127
1931	358
1932	304
1933	201
1934	497
1935	266
1936	277
1937	416
1938	295
1939	110
1940	462
1941	306
1942	285
1943	481
1944	261
1945	367
1946	448
1947	459
1948	365
1949	448
1950	529
1951	884
1952	665
1953	640
1954	527
1955	607
1956	497
1957	824
1958	329
1959	505
1960	889
1961	647
1962	319
1963	778
1964	1,125
1965	658
1966	756
1967	903
1968	655
1969	388
1970	728
1971	546
1972	593
1973	1,163
1974	528
1975	360
1976	452
1977	854
1978	735
1979	449
1980	1,934
1981	944
1982	1,075
1983	1,366
1984	1,231
1985	1,245
1986	977
1987	1,290
1988	898
1989	1,557
1990	1,463
1991	1,291
1992	1,763
1993	847
1994	859
1995	1,476
1996	788
1997	964
1998	876
1999	752
2000	921
2001	967
2002	1,312
2003	607
2004	586
2005	693
2006	761
2007	480
2008	1,327
2009	983
2010	805
2011	1,053
2012	687
2013	1,015
2014	393
2015	621
2016	587
2017	797
2018	862
2019	731
2020	397
2021	1,608
2022	433
2023	886
2024	754
2025	506
2026	853

Download the Data

Data for records on 2016-04-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 20	493
20 to 40	8
40 to 60	5
60 to 80	0
80 to 100	1