Weather Records on 21 April 1933

201 weather records were set or tied worldwide on 21 April 1933. Highest significance: Pesaro, IT.

Key Facts for 21 April 1933

On 21 April 1933, 201 weather records were set or tied at long-record stations worldwide.
10 were record highs and 66 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 195 daily.
Pesaro set a daily record precipitation of 41.0 mm (1.6 in) on 21 April 1933.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 464 records.

Record Map

201 stations

201 station records on 21 April 1933 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1933: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pesaro	Italy	Record daily precipitation	41.0 mm (1.6 in)	55 of 100 (Notable)
Spearfish	United States	Record daily precipitation	59.9 mm (2.4 in)	52 of 100 (Notable)
Burr Oak 4S	United States	Record daily precipitation	49.3 mm (1.9 in)	51 of 100 (Notable)
Ravenna	United States	Record daily precipitation	61.2 mm (2.4 in)	48 of 100 (Notable)
Beaufort	United States	Record daily precipitation	66.0 mm (2.6 in)	47 of 100 (Notable)
Bagalkot	India	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Okhimath	India	Record daily precipitation	38.6 mm (1.5 in)	44 of 100 (Notable)
Osage City	United States	Record daily precipitation	56.1 mm (2.2 in)	44 of 100 (Notable)
Guide Rock	United States	Record daily precipitation	40.6 mm (1.6 in)	41 of 100 (Notable)
Cheyenne Wells 2NE	United States	Record daily precipitation	40.6 mm (1.6 in)	40 of 100 (Notable)
Clay Ctr	United States	Record daily precipitation	40.1 mm (1.6 in)	39 of 100 (Notable)
Alma	United States	Record daily precipitation	38.1 mm (1.5 in)	38 of 100 (Notable)
Lexington	United States	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Yuma	United States	Record daily precipitation	28.7 mm (1.1 in)	37 of 100 (Notable)
Emporia 1 S	United States	Record daily precipitation	54.9 mm (2.2 in)	35 of 100 (Notable)
Barduar	India	Record daily precipitation	67.8 mm (2.7 in)	34 of 100 (Routine)
Ottawa	United States	Record daily precipitation	32.5 mm (1.3 in)	34 of 100 (Routine)
Lebo	United States	Record daily precipitation	29.5 mm (1.2 in)	32 of 100 (Routine)
Arcadia	United States	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Burlington	United States	Record daily precipitation	37.3 mm (1.5 in)	31 of 100 (Routine)
Topeka	United States	Record daily precipitation	38.1 mm (1.5 in)	31 of 100 (Routine)
Alliance 1WNW	United States	Record daily precipitation	60.5 mm (2.4 in)	31 of 100 (Routine)
Broken Bow 2 W	United States	Record daily precipitation	43.9 mm (1.7 in)	31 of 100 (Routine)
Red Cloud	United States	Record daily precipitation	52.8 mm (2.1 in)	31 of 100 (Routine)
Stratton	United States	Record daily precipitation	31.8 mm (1.3 in)	31 of 100 (Routine)
Dahiwadi	India	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Mc Cook	United States	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Hayes Center 1NW	United States	Record daily precipitation	31.5 mm (1.2 in)	29 of 100 (Routine)
Wray	United States	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)
Hastings 4N	United States	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Minden	United States	Record daily precipitation	52.1 mm (2.1 in)	27 of 100 (Routine)
Singimari	India	Record daily precipitation	42.9 mm (1.7 in)	26 of 100 (Routine)
Phillipsburg 1 SSE	United States	Record daily precipitation	39.1 mm (1.5 in)	26 of 100 (Routine)
Wamego 4 W	United States	Record daily precipitation	46.2 mm (1.8 in)	26 of 100 (Routine)
Conway	United States	Record low maximum temperature	12.2 C (54.0 F)	25 of 100 (Routine)
Nordby (Fano)	Denmark	Record low minimum temperature	-2.6 C (27.3 F)	24 of 100 (Routine)
Manhattan	United States	Record daily precipitation	45.0 mm (1.8 in)	24 of 100 (Routine)
Elwood 8 S	United States	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Bhogpur	India	Record daily precipitation	30.5 mm (1.2 in)	23 of 100 (Routine)
Hebron	United States	Record daily precipitation	39.4 mm (1.6 in)	23 of 100 (Routine)
Vestervig	Denmark	Record low minimum temperature	-2.2 C (28.0 F)	22 of 100 (Routine)
Chhaygaon	India	Record daily precipitation	72.4 mm (2.9 in)	22 of 100 (Routine)
Sonari	India	Record daily precipitation	42.7 mm (1.7 in)	22 of 100 (Routine)
Grand Coteau	United States	Record daily precipitation	43.2 mm (1.7 in)	22 of 100 (Routine)
Beaver City	United States	Record daily precipitation	27.9 mm (1.1 in)	22 of 100 (Routine)
Holdrege	United States	Record daily precipitation	45.5 mm (1.8 in)	22 of 100 (Routine)
Louisburg	United States	Record daily precipitation	40.6 mm (1.6 in)	22 of 100 (Routine)
Reidsville	United States	Record low maximum temperature	6.7 C (44.1 F)	22 of 100 (Routine)
Zagreb-Gric	Croatia	Record low maximum temperature	5.0 C (41.0 F)	21 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record low maximum temperature	3.4 C (38.1 F)	21 of 100 (Routine)
Cheesman	United States	Record daily precipitation	49.8 mm (2.0 in)	21 of 100 (Routine)
Leroy 5 WSW	United States	Record daily precipitation	29.0 mm (1.1 in)	21 of 100 (Routine)
Alexandria	United States	Record daily precipitation	39.4 mm (1.6 in)	21 of 100 (Routine)
Baton Rouge	United States	Record daily precipitation	61.0 mm (2.4 in)	21 of 100 (Routine)
Saguache	United States	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Pusesauli	India	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Olekminsk	Russia	Record daily precipitation	5.4 mm (0.21 in)	20 of 100 (Routine)
Snowflake	United States	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Vilnius	Lithuania	Record daily precipitation	13.3 mm (0.5 in)	20 of 100 (Routine)
Raipur	India	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

201 records

Records set or tied on 21 April 1933 by type: Highest daily maximum 6, Lowest daily maximum 49, Highest daily minimum 4, Lowest daily minimum 17, Heaviest daily rainfall 121, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 21 April 1933 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	49
Highest daily minimum	4
Lowest daily minimum	17
Heaviest daily rainfall	121
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 21 April 1933 by timescale: all-time 0, monthly 6, daily 195.

How Much Records Were Beaten By

183 broken records

Margins by which the 183 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

21 April 1933

Top 20 records on 21 April 1933 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1933	Pesaro, IT	daily rain	41.0 mm (1.6 in)	24.4 mm (1.0 in)	38 years	55 of 100 (Notable)
21 April 1933	Spearfish, US	daily rain	59.9 mm (2.4 in)	44.7 mm (1.8 in)	35 years	52 of 100 (Notable)
21 April 1933	Burr Oak 4S, US	daily rain	49.3 mm (1.9 in)	40.4 mm (1.6 in)	28 years	51 of 100 (Notable)
21 April 1933	Ravenna, US	daily rain	61.2 mm (2.4 in)	48.0 mm (1.9 in)	14 years	48 of 100 (Notable)
21 April 1933	Beaufort, US	daily rain	66.0 mm (2.6 in)	51.5 mm (2.0 in)	15 years	47 of 100 (Notable)
21 April 1933	Bagalkot, IN	daily rain	26.7 mm (1.1 in)	23.4 mm (0.9 in)	26 years	44 of 100 (Notable)
21 April 1933	Okhimath, IN	daily rain	38.6 mm (1.5 in)	28.4 mm (1.1 in)	11 years	44 of 100 (Notable)
21 April 1933	Osage City, US	daily rain	56.1 mm (2.2 in)	45.2 mm (1.8 in)	4 years	44 of 100 (Notable)
21 April 1933	Guide Rock, US	daily rain	40.6 mm (1.6 in)	33.7 mm (1.3 in)	4 years	41 of 100 (Notable)
21 April 1933	Cheyenne Wells 2NE, US	daily rain	40.6 mm (1.6 in)	33.0 mm (1.3 in)	34 years	40 of 100 (Notable)
21 April 1933	Clay Ctr, US	daily rain	40.1 mm (1.6 in)	32.2 mm (1.3 in)	28 years	39 of 100 (Notable)
21 April 1933	Alma, US	daily rain	38.1 mm (1.5 in)	32.0 mm (1.3 in)	24 years	38 of 100 (Notable)
21 April 1933	Lexington, US	daily rain	39.4 mm (1.6 in)	33.0 mm (1.3 in)	28 years	38 of 100 (Notable)
21 April 1933	Yuma, US	daily rain	28.7 mm (1.1 in)	23.6 mm (0.9 in)	37 years	37 of 100 (Notable)
21 April 1933	Emporia 1 S, US	daily rain	54.9 mm (2.2 in)	28.5 mm (1.1 in)	18 years	35 of 100 (Notable)
21 April 1933	Barduar, IN	daily rain	67.8 mm (2.7 in)	33.0 mm (1.3 in)	22 years	34 of 100 (Routine)
21 April 1933	Ottawa, US	daily rain	32.5 mm (1.3 in)	22.3 mm (0.9 in)	34 years	34 of 100 (Routine)
21 April 1933	Lebo, US	daily rain	29.5 mm (1.2 in)	17.8 mm (0.7 in)	34 years	32 of 100 (Routine)
21 April 1933	Arcadia, US	daily rain	28.4 mm (1.1 in)	27.4 mm (1.1 in)	28 years	32 of 100 (Routine)
21 April 1933	Burlington, US	daily rain	37.3 mm (1.5 in)	23.3 mm (0.9 in)	34 years	31 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 1933

Records set or tied on this calendar date in each year from 1793 to 1933. 1933 had 201 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 1933-04-21: 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 25	163
25 to 50	18
50 to 75	1
75 to 100	0
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1