Weather Records on 21 April 1983

1,366 weather records were set or tied worldwide on 21 April 1983. Highest significance: Ponce 4 E, PR.

Key Facts for 21 April 1983

On 21 April 1983, 1,366 weather records were set or tied at long-record stations worldwide.
295 were record highs and 456 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 43 monthly and 1,320 daily.
Ponce 4 E set a daily record precipitation of 95.5 mm (3.8 in) on 21 April 1983.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

1,366 stations

1,366 station records on 21 April 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	95.5 mm (3.8 in)	72 of 100 (Major)
Freeland	United States	Record snow depth	30.5 cm (12.0 in)	59 of 100 (Notable)
Juana Diaz Camp	Puerto Rico [United States]	Record daily precipitation	79.0 mm (3.1 in)	57 of 100 (Notable)
Walden	United States	Record daily snowfall	16.5 cm (6.5 in)	57 of 100 (Notable)
Antelope 6 SSW	United States	Record daily precipitation	48.3 mm (1.9 in)	57 of 100 (Notable)
Laramie AP	United States	Record daily precipitation	51.1 mm (2.0 in)	57 of 100 (Notable)
Laramie AP	United States	Record daily snowfall	46.0 cm (18.1 in)	57 of 100 (Notable)
Jayuya	Puerto Rico [United States]	Record daily precipitation	164.3 mm (6.5 in)	54 of 100 (Notable)
Oswego	United States	Record snow depth	15.2 cm (6.0 in)	54 of 100 (Notable)
Orovada 3 W	United States	Record daily precipitation	29.0 mm (1.1 in)	53 of 100 (Notable)
Wilkes-Barre/Scranton Intl AP	United States	Record snow depth	25.4 cm (10.0 in)	53 of 100 (Notable)
Towanda 1 S	United States	Record snow depth	15.2 cm (6.0 in)	51 of 100 (Notable)
Groningen-1	Netherlands	Record daily precipitation	26.0 mm (1.0 in)	50 of 100 (Notable)
Greer	United States	Record daily snowfall	10.2 cm (4.0 in)	50 of 100 (Notable)
Liberty 1 NE	United States	Record snow depth	17.8 cm (7.0 in)	50 of 100 (Notable)
Idyllwild Fire Dept	United States	Record daily precipitation	57.7 mm (2.3 in)	49 of 100 (Notable)
Usina Esmeril (Cpfl) B4-005	Brazil	Record daily precipitation	78.1 mm (3.1 in)	48 of 100 (Notable)
Oswego	United States	Record daily snowfall	12.7 cm (5.0 in)	48 of 100 (Notable)
Mayaguez City	Puerto Rico [United States]	Record daily precipitation	100.1 mm (3.9 in)	47 of 100 (Notable)
Cordes	United States	Record daily precipitation	28.4 mm (1.1 in)	47 of 100 (Notable)
Cooperstown	United States	Record snow depth	40.6 cm (16.0 in)	47 of 100 (Notable)
Cortland	United States	Record snow depth	27.9 cm (11.0 in)	47 of 100 (Notable)
Little Falls City Rsch	United States	Record snow depth	30.5 cm (12.0 in)	47 of 100 (Notable)
Unity	United States	Record daily precipitation	25.7 mm (1.0 in)	47 of 100 (Notable)
Long Pond Pocono Lake	United States	Record snow depth	40.6 cm (16.0 in)	47 of 100 (Notable)
Castle Hot Springs	United States	Record daily precipitation	25.9 mm (1.0 in)	46 of 100 (Notable)
Bailey	United States	Record snow depth	48.3 cm (19.0 in)	46 of 100 (Notable)
Gouldsboro	United States	Record snow depth	38.1 cm (15.0 in)	46 of 100 (Notable)
Syracuse Hancock Intl AP	United States	Record snow depth	15.2 cm (6.0 in)	46 of 100 (Notable)
Fajardo	Puerto Rico [United States]	Record daily precipitation	168.9 mm (6.6 in)	45 of 100 (Notable)
Palomar Mtn Obsy	United States	Record daily precipitation	55.9 mm (2.2 in)	45 of 100 (Notable)
Watertown AP	United States	Record snow depth	10.2 cm (4.0 in)	45 of 100 (Notable)
San Gabriel Canyon Ph	United States	Record daily precipitation	56.1 mm (2.2 in)	44 of 100 (Notable)
Cortland	United States	Record daily snowfall	17.8 cm (7.0 in)	44 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record daily snowfall	12.7 cm (5.0 in)	44 of 100 (Notable)
Montrose	United States	Record snow depth	33.0 cm (13.0 in)	44 of 100 (Notable)
Roden	Netherlands	Record daily precipitation	25.6 mm (1.0 in)	43 of 100 (Notable)
Bennetts Brg	United States	Record daily snowfall	20.3 cm (8.0 in)	43 of 100 (Notable)
Norwich	United States	Record snow depth	20.3 cm (8.0 in)	43 of 100 (Notable)
Sodus 1W	United States	Record snow depth	15.2 cm (6.0 in)	43 of 100 (Notable)
Itapecerica da Serra	Brazil	Record daily precipitation	60.5 mm (2.4 in)	42 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	55.7 mm (2.2 in)	42 of 100 (Notable)
Sherburne	United States	Record snow depth	25.4 cm (10.0 in)	42 of 100 (Notable)
Port-Gentil	Gabon	Record daily precipitation	149.1 mm (5.9 in)	41 of 100 (Notable)
Irving	United States	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Hanford 1 S	United States	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Windsor	United States	Record daily precipitation	31.0 mm (1.2 in)	41 of 100 (Notable)
Morrisville 6 SW	United States	Record snow depth	40.6 cm (16.0 in)	41 of 100 (Notable)
Sodus 1W	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Hollisterville	United States	Record snow depth	17.8 cm (7.0 in)	41 of 100 (Notable)
Susquehanna	United States	Record snow depth	15.2 cm (6.0 in)	41 of 100 (Notable)
Crown King	United States	Record daily precipitation	45.7 mm (1.8 in)	40 of 100 (Notable)
Pleasant Mt 1 W	United States	Record snow depth	27.9 cm (11.0 in)	40 of 100 (Notable)
Lajas Substn	Puerto Rico [United States]	Record daily precipitation	61.0 mm (2.4 in)	39 of 100 (Notable)
Ojai	United States	Record daily precipitation	40.4 mm (1.6 in)	39 of 100 (Notable)
Freeville 1 NE	United States	Record daily snowfall	25.4 cm (10.0 in)	39 of 100 (Notable)
Ogdensburg 4 NE	United States	Record snow depth	12.7 cm (5.0 in)	39 of 100 (Notable)
Melville	United States	Record low maximum temperature	14.4 C (57.9 F)	38 of 100 (Notable)
Brewerton Lock 23	United States	Record daily precipitation	26.2 mm (1.0 in)	38 of 100 (Notable)
Wellsboro 4 SW	United States	Record snow depth	15.2 cm (6.0 in)	38 of 100 (Notable)

Counts by Type and Timescale

1,366 records

Records set or tied on 21 April 1983 by type: Highest daily maximum 117, Lowest daily maximum 192, Highest daily minimum 178, Lowest daily minimum 264, Heaviest daily rainfall 445, Heaviest daily snowfall 87, Deepest snow cover 83.

Records on 21 April 1983 by type
Record type	Records
Highest daily maximum	117
Lowest daily maximum	192
Highest daily minimum	178
Lowest daily minimum	264
Heaviest daily rainfall	445
Heaviest daily snowfall	87
Deepest snow cover	83

Records on 21 April 1983 by timescale: all-time 3, monthly 43, daily 1,320.

How Much Records Were Beaten By

1,152 broken records

Margins by which the 1,152 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 457.0. Ties are not counted.

Top 20 by Significance

21 April 1983

Top 20 records on 21 April 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1983	Ponce 4 E, PR	daily rain	95.5 mm (3.8 in)	49.8 mm (2.0 in)	80 years	72 of 100 (Major)
21 April 1983	Freeland, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	56 years	59 of 100 (Notable)
21 April 1983	Juana Diaz Camp, PR	daily rain	79.0 mm (3.1 in)	52.1 mm (2.1 in)	41 years	57 of 100 (Notable)
21 April 1983	Walden, US	daily snowfall	16.5 cm (6.5 in)	11.4 cm (4.5 in)	80 years	57 of 100 (Notable)
21 April 1983	Antelope 6 SSW, US	monthly rain	48.3 mm (1.9 in)	16.5 mm (0.6 in)	4 years	57 of 100 (Notable)
21 April 1983	Laramie AP, US	monthly rain	51.1 mm (2.0 in)	21.4 mm (0.8 in)	15 years	57 of 100 (Notable)
21 April 1983	Laramie AP, US	monthly snowfall	46.0 cm (18.1 in)	20.6 cm (8.1 in)	15 years	57 of 100 (Notable)
21 April 1983	Jayuya, PR	monthly rain	164.3 mm (6.5 in)	30.2 mm (1.2 in)	65 years	54 of 100 (Notable)
21 April 1983	Oswego, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	56 years	54 of 100 (Notable)
21 April 1983	Orovada 3 W, US	daily rain	29.0 mm (1.1 in)	21.1 mm (0.8 in)	25 years	53 of 100 (Notable)
21 April 1983	Wilkes-Barre/Scranton Intl AP, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	33 years	53 of 100 (Notable)
21 April 1983	Towanda 1 S, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	86 years	51 of 100 (Notable)
21 April 1983	Groningen-1, NL	monthly rain	26.0 mm (1.0 in)	0.3 mm (0.01 in)	111 years	50 of 100 (Notable)
21 April 1983	Greer, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	77 years	50 of 100 (Notable)
21 April 1983	Liberty 1 NE, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	80 years	50 of 100 (Notable)
21 April 1983	Idyllwild Fire Dept, US	daily rain	57.7 mm (2.3 in)	41.4 mm (1.6 in)	29 years	49 of 100 (Notable)
21 April 1983	Usina Esmeril (Cpfl) B4-005, BR	daily rain	78.1 mm (3.1 in)	59.3 mm (2.3 in)	14 years	48 of 100 (Notable)
21 April 1983	Oswego, US	daily snowfall	12.7 cm (5.0 in)	12.2 cm (4.8 in)	37 years	48 of 100 (Notable)
21 April 1983	Mayaguez City, PR	daily rain	100.1 mm (3.9 in)	20.9 mm (0.8 in)	80 years	47 of 100 (Notable)
21 April 1983	Cordes, US	daily rain	28.4 mm (1.1 in)	22.6 mm (0.9 in)	30 years	47 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 1983

Records set or tied on this calendar date in each year from 1793 to 1983. 1983 had 1,366 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 1983-04-21: 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Histogram of margins by which records were beaten on 21 April 1983
Margin	Records
0 to 100	1,099
100 to 200	35
200 to 300	12
300 to 400	4
400 to 500	2