Weather Records on 21 April 1976

452 weather records were set or tied worldwide on 21 April 1976. Highest significance: Independence, US.

Key Facts for 21 April 1976

On 21 April 1976, 452 weather records were set or tied at long-record stations worldwide.
250 were record highs and 45 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 9 monthly and 442 daily.
Independence set a daily record precipitation of 48.3 mm (1.9 in) on 21 April 1976.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

452 stations

452 station records on 21 April 1976 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1976: highest significance records shown on the map
Station	Country	Type	Value	Significance
Independence	United States	Record daily precipitation	48.3 mm (1.9 in)	56 of 100 (Notable)
Abilene	United States	Record daily precipitation	49.8 mm (2.0 in)	46 of 100 (Notable)
Bloomfield	Canada	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
N'Guigni	Niger	Record high maximum temperature	50.8 C (123.4 F)	41 of 100 (Notable)
Marble Bar Comparison	Australia	Record daily precipitation	45.6 mm (1.8 in)	40 of 100 (Notable)
Bradford 4SW Rsch 5	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Prairie du Chien	United States	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Coolawanyah	Australia	Record daily precipitation	40.0 mm (1.6 in)	38 of 100 (Notable)
Clinton	United States	Record high maximum temperature	30.0 C (86.0 F)	38 of 100 (Notable)
Tashkent	Uzbekistan	Record high maximum temperature	31.7 C (89.1 F)	36 of 100 (Notable)
Santa Rita Do Jacutinga	Brazil	Record daily precipitation	50.0 mm (2.0 in)	35 of 100 (Notable)
Coatesville 1 SW	United States	Record high minimum temperature	17.2 C (63.0 F)	35 of 100 (Notable)
W Chester 2 NW	United States	Record high minimum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Newark Ag Farm	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Moorestown 4 E	United States	Record high minimum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Auburn	United States	Record high maximum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Dayton Mcd	United States	Record high maximum temperature	30.6 C (87.1 F)	33 of 100 (Routine)
Darganata	Uzbekistan	Record daily precipitation	31.5 mm (1.2 in)	33 of 100 (Routine)
Kjobli I Snaasa	Norway	Record snow depth	111.0 cm (43.7 in)	32 of 100 (Routine)
Carrollton Lock 1	United States	Record high minimum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Dale Enterprise	United States	Record high maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Ravenswood Lock Park	United States	Record high maximum temperature	34.4 C (93.9 F)	32 of 100 (Routine)
Andradina	Brazil	Record daily precipitation	35.7 mm (1.4 in)	31 of 100 (Routine)
St George	Canada	Record high minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Tunnsjo	Norway	Record snow depth	188.0 cm (74.0 in)	31 of 100 (Routine)
Dunderlandsdalen	Norway	Record snow depth	239.0 cm (94.1 in)	31 of 100 (Routine)
Seymour 1 WSW	United States	Record high maximum temperature	31.1 C (88.0 F)	31 of 100 (Routine)
Frankfort Downtown	United States	Record high maximum temperature	30.0 C (86.0 F)	31 of 100 (Routine)
Greensburg	United States	Record high maximum temperature	31.1 C (88.0 F)	31 of 100 (Routine)
Liafoss	Norway	Record snow depth	120.0 cm (47.2 in)	30 of 100 (Routine)
Scottsburg	United States	Record high maximum temperature	30.6 C (87.1 F)	30 of 100 (Routine)
Coatesville 1 SW	United States	Record high maximum temperature	32.2 C (90.0 F)	30 of 100 (Routine)
Bonney Downs	Australia	Record daily precipitation	34.0 mm (1.3 in)	29 of 100 (Routine)
Gettysburg	United States	Record high maximum temperature	33.3 C (91.9 F)	29 of 100 (Routine)
Lansing	United States	Record daily precipitation	33.5 mm (1.3 in)	28 of 100 (Routine)
Enterprise	United States	Record daily precipitation	46.0 mm (1.8 in)	28 of 100 (Routine)
Rockville 1 NE	United States	Record high maximum temperature	32.8 C (91.0 F)	28 of 100 (Routine)
Balcon Diablo	Mexico	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Asheville	United States	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Camargo (Smn)	Mexico	Record low minimum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
Aunet	Norway	Record snow depth	113.0 cm (44.5 in)	26 of 100 (Routine)
Bones I Bardu	Norway	Record snow depth	142.0 cm (55.9 in)	26 of 100 (Routine)
Stuttgart	United States	Record daily precipitation	37.1 mm (1.5 in)	26 of 100 (Routine)
Greencastle 1 W	United States	Record high maximum temperature	30.6 C (87.1 F)	26 of 100 (Routine)
Shoals 8 S	United States	Record high maximum temperature	31.1 C (88.0 F)	26 of 100 (Routine)
Richmond	United States	Record high maximum temperature	31.7 C (89.1 F)	26 of 100 (Routine)
Moorestown 4 E	United States	Record high maximum temperature	32.2 C (90.0 F)	26 of 100 (Routine)
W Chester 2 NW	United States	Record high maximum temperature	31.1 C (88.0 F)	26 of 100 (Routine)
Man	Cote D'Ivoire	Record daily precipitation	61.6 mm (2.4 in)	25 of 100 (Routine)
Belvidere	United States	Record high maximum temperature	31.7 C (89.1 F)	25 of 100 (Routine)
Flemington 5 NNW	United States	Record high maximum temperature	32.8 C (91.0 F)	25 of 100 (Routine)
Hightstown 2 W	United States	Record high maximum temperature	31.7 C (89.1 F)	25 of 100 (Routine)
Somerville 4 NW	United States	Record high maximum temperature	32.2 C (90.0 F)	25 of 100 (Routine)
Parsons 3 SE	United States	Record high maximum temperature	30.6 C (87.1 F)	25 of 100 (Routine)
Pelee Island	Canada	Record high minimum temperature	15.6 C (60.1 F)	24 of 100 (Routine)
Lien I Selbu	Norway	Record snow depth	83.0 cm (32.7 in)	24 of 100 (Routine)
Camp Hill 2NW	United States	Record high maximum temperature	31.1 C (88.0 F)	24 of 100 (Routine)
Vinton	United States	Record daily precipitation	35.6 mm (1.4 in)	24 of 100 (Routine)
Ellsworth	United States	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

452 records

Records set or tied on 21 April 1976 by type: Highest daily maximum 166, Lowest daily maximum 23, Highest daily minimum 84, Lowest daily minimum 22, Heaviest daily rainfall 141, Heaviest daily snowfall 5, Deepest snow cover 11.

Records on 21 April 1976 by type
Record type	Records
Highest daily maximum	166
Lowest daily maximum	23
Highest daily minimum	84
Lowest daily minimum	22
Heaviest daily rainfall	141
Heaviest daily snowfall	5
Deepest snow cover	11

Records on 21 April 1976 by timescale: all-time 1, monthly 9, daily 442.

How Much Records Were Beaten By

341 broken records

Margins by which the 341 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 610.0. Ties are not counted.

Top 20 by Significance

21 April 1976

Top 20 records on 21 April 1976 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1976	Independence, US	daily rain	48.3 mm (1.9 in)	22.9 mm (0.9 in)	78 years	56 of 100 (Notable)
21 April 1976	Abilene, US	daily rain	49.8 mm (2.0 in)	32.0 mm (1.3 in)	22 years	46 of 100 (Notable)
21 April 1976	Bloomfield, CA	daily rain	32.8 mm (1.3 in)	15.5 mm (0.6 in)	58 years	44 of 100 (Notable)
21 April 1976	N'Guigni, NE	all-time high max	50.8 C (123.4 F)	1.8 C (3.2 F)	36 years	41 of 100 (Notable)
21 April 1976	Marble Bar Comparison, AU	daily rain	45.6 mm (1.8 in)	43.6 mm (1.7 in)	33 years	40 of 100 (Notable)
21 April 1976	Bradford 4SW Rsch 5, US	daily rain	33.0 mm (1.3 in)	18.3 mm (0.7 in)	40 years	40 of 100 (Notable)
21 April 1976	Prairie du Chien, US	daily rain	32.0 mm (1.3 in)	9.6 mm (0.38 in)	71 years	40 of 100 (Notable)
21 April 1976	Coolawanyah, AU	daily rain	40.0 mm (1.6 in)	40.0 mm (1.6 in)	53 years	38 of 100 (Notable)
21 April 1976	Clinton, US	daily high max	30.0 C (86.0 F)	5.0 C (9.0 F)	71 years	38 of 100 (Notable)
21 April 1976	Tashkent, UZ	daily high max	31.7 C (89.1 F)	1.6 C (2.9 F)	80 years	36 of 100 (Notable)
21 April 1976	Santa Rita Do Jacutinga, BR	daily rain	50.0 mm (2.0 in)	30.0 mm (1.2 in)	3 years	35 of 100 (Notable)
21 April 1976	Coatesville 1 SW, US	daily high min	17.2 C (63.0 F)	2.2 C (4.0 F)	79 years	35 of 100 (Notable)
21 April 1976	W Chester 2 NW, US	daily high min	17.2 C (63.0 F)	1.6 C (2.9 F)	79 years	34 of 100 (Routine)
21 April 1976	Newark Ag Farm, US	daily high min	16.1 C (61.0 F)	1.1 C (2.0 F)	79 years	33 of 100 (Routine)
21 April 1976	Moorestown 4 E, US	daily high min	17.8 C (64.0 F)	1.1 C (2.0 F)	79 years	33 of 100 (Routine)
21 April 1976	Auburn, US	daily high max	28.3 C (82.9 F)	2.2 C (4.0 F)	76 years	33 of 100 (Routine)
21 April 1976	Dayton Mcd, US	daily high max	30.6 C (87.1 F)	1.7 C (3.1 F)	76 years	33 of 100 (Routine)
21 April 1976	Darganata, UZ	monthly rain	31.5 mm (1.2 in)	4.4 mm (0.17 in)	32 years	33 of 100 (Routine)
21 April 1976	Kjobli I Snaasa, NO	daily snow depth	111.0 cm (43.7 in)	46.0 cm (18.1 in)	21 years	32 of 100 (Routine)
21 April 1976	Carrollton Lock 1, US	daily high min	20.0 C (68.0 F)	1.1 C (2.0 F)	79 years	32 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

1793 to 1976

Records set or tied on this calendar date in each year from 1793 to 1976. 1976 had 452 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 1976-04-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 100	333
100 to 200	4
200 to 300	1
300 to 400	1
400 to 500	1
500 to 600	0
600 to 700	1