Weather Records on 21 April 1950

529 weather records were set or tied worldwide on 21 April 1950. Highest significance: Woodstock, CA.

Key Facts for 21 April 1950

On 21 April 1950, 529 weather records were set or tied at long-record stations worldwide.
227 were record highs and 210 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 26 monthly and 503 daily.
Woodstock set a daily record precipitation of 66.0 mm (2.6 in) on 21 April 1950.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

529 stations

529 station records on 21 April 1950 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1950: highest significance records shown on the map
Station	Country	Type	Value	Significance
Woodstock	Canada	Record daily precipitation	66.0 mm (2.6 in)	64 of 100 (Major)
Harvey Station	Canada	Record daily precipitation	76.5 mm (3.0 in)	51 of 100 (Notable)
Lavras da Mangabeira (Dnocs)	Brazil	Record daily precipitation	91.2 mm (3.6 in)	49 of 100 (Notable)
Fredericton Unb	Canada	Record daily precipitation	57.4 mm (2.3 in)	47 of 100 (Notable)
Woodburn Post Office	Australia	Record daily precipitation	100.3 mm (3.9 in)	46 of 100 (Notable)
Raleigh Post Office	Australia	Record daily precipitation	125.7 mm (4.9 in)	44 of 100 (Notable)
Brome	Canada	Record daily precipitation	32.5 mm (1.3 in)	41 of 100 (Notable)
Pointe Au Pere	Canada	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Welland	Canada	Record daily snowfall	7.1 cm (2.8 in)	38 of 100 (Notable)
Wien	Austria	Record high maximum temperature	25.1 C (77.2 F)	36 of 100 (Notable)
Kiev	Ukraine	Record high minimum temperature	14.7 C (58.5 F)	36 of 100 (Notable)
Houlton	United States	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Edmundston	Canada	Record daily precipitation	26.4 mm (1.0 in)	35 of 100 (Notable)
Yamba Pilot Station	Australia	Record daily precipitation	115.3 mm (4.5 in)	33 of 100 (Routine)
Iguatu	Brazil	Record daily precipitation	63.0 mm (2.5 in)	32 of 100 (Routine)
Minsk	Belarus	Record high minimum temperature	11.4 C (52.5 F)	30 of 100 (Routine)
Brejo Do Cruz	Brazil	Record daily precipitation	69.5 mm (2.7 in)	30 of 100 (Routine)
Upper Urara (the Knoll)	Australia	Record daily precipitation	66.0 mm (2.6 in)	29 of 100 (Routine)
Goldstream Lake	Canada	Record daily snowfall	5.1 cm (2.0 in)	29 of 100 (Routine)
Feodosiia	Ukraine	Record high minimum temperature	14.6 C (58.3 F)	29 of 100 (Routine)
Fredericton Cda	Canada	Record daily precipitation	55.9 mm (2.2 in)	28 of 100 (Routine)
Upper Orara (Aurania)	Australia	Record daily precipitation	77.0 mm (3.0 in)	27 of 100 (Routine)
Urunga (Sunset Place)	Australia	Record daily precipitation	92.7 mm (3.6 in)	27 of 100 (Routine)
Kremsmuenster	Austria	Record high maximum temperature	21.7 C (71.1 F)	27 of 100 (Routine)
Grand Falls	Canada	Record daily precipitation	34.3 mm (1.4 in)	27 of 100 (Routine)
Vasilevici	Belarus	Record high minimum temperature	14.0 C (57.2 F)	26 of 100 (Routine)
Princeton	United States	Record low minimum temperature	-4.4 C (24.1 F)	26 of 100 (Routine)
Parsons 3 SE	United States	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Bellingen Post Office	Australia	Record daily precipitation	45.7 mm (1.8 in)	25 of 100 (Routine)
Thomasville 7 NE	United States	Record low minimum temperature	3.3 C (37.9 F)	25 of 100 (Routine)
Eastport	United States	Record daily precipitation	48.8 mm (1.9 in)	25 of 100 (Routine)
Bloomfield 3 SE	United States	Record high maximum temperature	28.9 C (84.0 F)	25 of 100 (Routine)
Palmetto	United States	Record low minimum temperature	-3.3 C (26.1 F)	25 of 100 (Routine)
Verhojansk	Russia	Record low minimum temperature	-35.6 C (-32.1 F)	24 of 100 (Routine)
Ohotsk	Russia	Record low minimum temperature	-18.3 C (-0.9 F)	24 of 100 (Routine)
Ai-Petri	Ukraine	Record high maximum temperature	18.2 C (64.8 F)	24 of 100 (Routine)
Ashland	United States	Record high minimum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
State UNIV	United States	Record low minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Uvalde	United States	Record low maximum temperature	16.1 C (61.0 F)	24 of 100 (Routine)
White River Junction	United States	Record daily precipitation	26.9 mm (1.1 in)	24 of 100 (Routine)
Port Townsend	United States	Record low minimum temperature	0.0 C (32.0 F)	24 of 100 (Routine)
Estancia	Brazil	Record daily precipitation	44.6 mm (1.8 in)	23 of 100 (Routine)
Agassiz Cda	Canada	Record low minimum temperature	-2.2 C (28.0 F)	23 of 100 (Routine)
Vilnius	Lithuania	Record high minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
San German 4 W	Puerto Rico [United States]	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)
Beaver	United States	Record high maximum temperature	28.3 C (82.9 F)	23 of 100 (Routine)
Kapoho 93	United States	Record daily precipitation	36.1 mm (1.4 in)	23 of 100 (Routine)
Araci	Brazil	Record daily precipitation	26.0 mm (1.0 in)	22 of 100 (Routine)
Arad	Romania	Record high maximum temperature	32.7 C (90.9 F)	22 of 100 (Routine)
Kursk	Russia	Record high minimum temperature	10.4 C (50.7 F)	22 of 100 (Routine)
Simferopol	Ukraine	Record high minimum temperature	11.6 C (52.9 F)	22 of 100 (Routine)
Auburn	United States	Record low minimum temperature	1.1 C (34.0 F)	22 of 100 (Routine)
Eads	United States	Record high maximum temperature	36.7 C (98.1 F)	22 of 100 (Routine)
Millen 4 N	United States	Record low minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Carthage	United States	Record low minimum temperature	-0.6 C (30.9 F)	22 of 100 (Routine)
Clarksville Wwtp	United States	Record low minimum temperature	-1.1 C (30.0 F)	22 of 100 (Routine)
Coupeville 1 S	United States	Record low minimum temperature	0.0 C (32.0 F)	22 of 100 (Routine)
Dorrigo Post Office	Australia	Record daily precipitation	38.4 mm (1.5 in)	21 of 100 (Routine)
St Andrews	Canada	Record daily precipitation	34.8 mm (1.4 in)	21 of 100 (Routine)
Hurbanovo	Slovakia	Record high maximum temperature	28.4 C (83.1 F)	21 of 100 (Routine)

Counts by Type and Timescale

529 records

Records set or tied on 21 April 1950 by type: Highest daily maximum 153, Lowest daily maximum 24, Highest daily minimum 74, Lowest daily minimum 186, Heaviest daily rainfall 83, Heaviest daily snowfall 9.

Records on 21 April 1950 by type
Record type	Records
Highest daily maximum	153
Lowest daily maximum	24
Highest daily minimum	74
Lowest daily minimum	186
Heaviest daily rainfall	83
Heaviest daily snowfall	9
Deepest snow cover	0

Records on 21 April 1950 by timescale: all-time 0, monthly 26, daily 503.

How Much Records Were Beaten By

388 broken records

Margins by which the 388 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.9. Ties are not counted.

Top 20 by Significance

21 April 1950

Top 20 records on 21 April 1950 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1950	Woodstock, CA	daily rain	66.0 mm (2.6 in)	57.9 mm (2.3 in)	61 years	64 of 100 (Major)
21 April 1950	Harvey Station, CA	monthly rain	76.5 mm (3.0 in)	28.2 mm (1.1 in)	15 years	51 of 100 (Notable)
21 April 1950	Lavras da Mangabeira (Dnocs), BR	daily rain	91.2 mm (3.6 in)	65.0 mm (2.6 in)	32 years	49 of 100 (Notable)
21 April 1950	Fredericton Unb, CA	monthly rain	57.4 mm (2.3 in)	6.3 mm (0.25 in)	75 years	47 of 100 (Notable)
21 April 1950	Woodburn Post Office, AU	daily rain	100.3 mm (3.9 in)	51.8 mm (2.0 in)	40 years	46 of 100 (Notable)
21 April 1950	Raleigh Post Office, AU	daily rain	125.7 mm (4.9 in)	76.9 mm (3.0 in)	40 years	44 of 100 (Notable)
21 April 1950	Brome, CA	daily rain	32.5 mm (1.3 in)	14.7 mm (0.6 in)	44 years	41 of 100 (Notable)
21 April 1950	Pointe Au Pere, CA	daily rain	28.4 mm (1.1 in)	7.3 mm (0.29 in)	71 years	39 of 100 (Notable)
21 April 1950	Welland, CA	daily snowfall	7.1 cm (2.8 in)	7.1 cm (2.8 in)	75 years	38 of 100 (Notable)
21 April 1950	Wien, AT	daily high max	25.1 C (77.2 F)	0.3 C (0.5 F)	90 years	36 of 100 (Notable)
21 April 1950	Kiev, UA	monthly high min	14.7 C (58.5 F)	0.3 C (0.5 F)	64 years	36 of 100 (Notable)
21 April 1950	Houlton, US	daily rain	40.6 mm (1.6 in)	15.2 mm (0.6 in)	40 years	36 of 100 (Notable)
21 April 1950	Edmundston, CA	daily rain	26.4 mm (1.0 in)	20.6 mm (0.8 in)	13 years	35 of 100 (Notable)
21 April 1950	Yamba Pilot Station, AU	daily rain	115.3 mm (4.5 in)	25.9 mm (1.0 in)	40 years	33 of 100 (Routine)
21 April 1950	Iguatu, BR	daily rain	63.0 mm (2.5 in)	41.0 mm (1.6 in)	15 years	32 of 100 (Routine)
21 April 1950	Minsk, BY	daily high min	11.4 C (52.5 F)	2.8 C (5.0 F)	57 years	30 of 100 (Routine)
21 April 1950	Brejo Do Cruz, BR	daily rain	69.5 mm (2.7 in)	37.9 mm (1.5 in)	28 years	30 of 100 (Routine)
21 April 1950	Upper Urara (the Knoll), AU	daily rain	66.0 mm (2.6 in)	33.5 mm (1.3 in)	40 years	29 of 100 (Routine)
21 April 1950	Goldstream Lake, CA	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	54 years	29 of 100 (Routine)
21 April 1950	Feodosiia, UA	daily high min	14.6 C (58.3 F)	2.7 C (4.9 F)	50 years	29 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 1950

Records set or tied on this calendar date in each year from 1793 to 1950. 1950 had 529 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 1950-04-21: 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 10	352
10 to 20	20
20 to 30	5
30 to 40	2
40 to 50	2
50 to 60	4
60 to 70	1
70 to 80	2