Weather Records on 21 March 1933

235 weather records were set or tied worldwide on 21 March 1933. Highest significance: Webster City, US.

Key Facts for 21 March 1933

On 21 March 1933, 235 weather records were set or tied at long-record stations worldwide.
12 were record highs and 95 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 230 daily.
Webster City set a daily record snow depth of 76.2 cm (30.0 in) on 21 March 1933.
Across 157 earlier years (1797 to 2026) the same calendar date averaged 484 records.

Record Map

235 stations

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

Weather records on 21 March 1933: highest significance records shown on the map
Station	Country	Type	Value	Significance
Webster City	United States	Record snow depth	76.2 cm (30.0 in)	55 of 100 (Notable)
Corning	United States	Record snow depth	101.6 cm (40.0 in)	54 of 100 (Notable)
Ottawa Cda	Canada	Record daily snowfall	26.7 cm (10.5 in)	49 of 100 (Notable)
Lake City 2 E	United States	Record daily precipitation	111.8 mm (4.4 in)	48 of 100 (Notable)
Ogdensburg 4 NE	United States	Record daily precipitation	27.4 mm (1.1 in)	44 of 100 (Notable)
Portage Wwtp	United States	Record snow depth	43.2 cm (17.0 in)	44 of 100 (Notable)
Moncton	Canada	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Hampton	United States	Record snow depth	17.8 cm (7.0 in)	37 of 100 (Notable)
Ottawa Cda	Canada	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Fredericton Unb	Canada	Record daily snowfall	14.0 cm (5.5 in)	35 of 100 (Notable)
Gainesville UNIV of Fl	United States	Record daily precipitation	53.6 mm (2.1 in)	34 of 100 (Routine)
Florence	United States	Record daily snowfall	22.9 cm (9.0 in)	33 of 100 (Routine)
Green Bay	United States	Record snow depth	35.6 cm (14.0 in)	33 of 100 (Routine)
Franklin	United States	Record daily precipitation	42.7 mm (1.7 in)	32 of 100 (Routine)
Avon	United States	Record daily precipitation	30.5 mm (1.2 in)	32 of 100 (Routine)
Rock Rapids	United States	Record snow depth	177.8 cm (70.0 in)	30 of 100 (Routine)
Adelaide West Terrace	Australia	Record low minimum temperature	6.9 C (44.4 F)	29 of 100 (Routine)
Bancroft	Canada	Record daily precipitation	33.8 mm (1.3 in)	28 of 100 (Routine)
Keene	United States	Record daily precipitation	42.2 mm (1.7 in)	28 of 100 (Routine)
Launceston (Pumping Station)	Australia	Record low minimum temperature	-0.6 C (30.9 F)	27 of 100 (Routine)
Madison	United States	Record daily precipitation	26.4 mm (1.0 in)	27 of 100 (Routine)
Ottawa	Canada	Record daily snowfall	31.8 cm (12.5 in)	24 of 100 (Routine)
Bloomfield	Canada	Record daily snowfall	15.2 cm (6.0 in)	24 of 100 (Routine)
Mason City	United States	Record snow depth	355.6 cm (140.0 in)	24 of 100 (Routine)
Pawtucket	United States	Record daily precipitation	49.5 mm (1.9 in)	24 of 100 (Routine)
La Crosse Wb City	United States	Record snow depth	27.9 cm (11.0 in)	24 of 100 (Routine)
Ottawa	Canada	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)
Seymour (Mag)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Plant City	United States	Record daily precipitation	37.8 mm (1.5 in)	23 of 100 (Routine)
Rockwell City	United States	Record snow depth	203.2 cm (80.0 in)	23 of 100 (Routine)
Dillon U of Montana Western	United States	Record daily snowfall	10.2 cm (4.0 in)	23 of 100 (Routine)
Storm Lake	United States	Record snow depth	20.3 cm (8.0 in)	22 of 100 (Routine)
North Bridgton	United States	Record daily precipitation	43.2 mm (1.7 in)	22 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low minimum temperature	4.2 C (39.6 F)	21 of 100 (Routine)
Sonamarg &	India	Record daily precipitation	75.4 mm (3.0 in)	21 of 100 (Routine)
Svirica	Russia	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Riversdale	South Africa	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Watertown	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Sherbrooke	Canada	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Deer Park Sf	United States	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Dras	India	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Morsi	India	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Digby	Canada	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Lien I Selbu	Norway	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Delaware 3 WSW	United States	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Boonton 1 SE	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Fort Macleod	Canada	Record daily snowfall	7.6 cm (3.0 in)	20 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	8.1 mm (0.32 in)	20 of 100 (Routine)
Millinocket	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Fort Macleod	Canada	Record daily precipitation	7.6 mm (0.30 in)	19 of 100 (Routine)
Graaff Reinet	South Africa	Record daily precipitation	22.1 mm (0.9 in)	19 of 100 (Routine)
Quakertown	United States	Record daily precipitation	35.6 mm (1.4 in)	19 of 100 (Routine)
Florence	United States	Record daily precipitation	21.6 mm (0.9 in)	19 of 100 (Routine)
Emerald Post Office	Australia	Record high minimum temperature	24.7 C (76.5 F)	18 of 100 (Routine)
Malvern	United States	Record low minimum temperature	-5.0 C (23.0 F)	18 of 100 (Routine)
Lewiston	United States	Record daily precipitation	35.8 mm (1.4 in)	18 of 100 (Routine)
Amherst	United States	Record daily precipitation	40.6 mm (1.6 in)	18 of 100 (Routine)
Dillon U of Montana Western	United States	Record daily precipitation	7.9 mm (0.31 in)	18 of 100 (Routine)
Grand River Lock	United States	Record daily precipitation	12.7 mm (0.5 in)	18 of 100 (Routine)
Coen Post Office	Australia	Record daily precipitation	60.5 mm (2.4 in)	17 of 100 (Routine)

Counts by Type and Timescale

235 records

Records set or tied on 21 March 1933 by type: Lowest daily maximum 52, Highest daily minimum 12, Lowest daily minimum 43, Heaviest daily rainfall 96, Heaviest daily snowfall 21, Deepest snow cover 11.

Records on 21 March 1933 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	52
Highest daily minimum	12
Lowest daily minimum	43
Heaviest daily rainfall	96
Heaviest daily snowfall	21
Deepest snow cover	11

Records on 21 March 1933 by timescale: all-time 0, monthly 5, daily 230.

How Much Records Were Beaten By

190 broken records

Margins by which the 190 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1524.0. Ties are not counted.

Top 20 by Significance

21 March 1933

Top 20 records on 21 March 1933 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 March 1933	Webster City, US	daily snow depth	76.2 cm (30.0 in)	76.2 cm (30.0 in)	38 years	55 of 100 (Notable)
21 March 1933	Corning, US	daily snow depth	101.6 cm (40.0 in)	101.6 cm (40.0 in)	36 years	54 of 100 (Notable)
21 March 1933	Ottawa Cda, CA	daily snowfall	26.7 cm (10.5 in)	20.3 cm (8.0 in)	36 years	49 of 100 (Notable)
21 March 1933	Lake City 2 E, US	daily rain	111.8 mm (4.4 in)	92.5 mm (3.6 in)	15 years	48 of 100 (Notable)
21 March 1933	Ogdensburg 4 NE, US	daily rain	27.4 mm (1.1 in)	19.8 mm (0.8 in)	32 years	44 of 100 (Notable)
21 March 1933	Portage Wwtp, US	daily snow depth	43.2 cm (17.0 in)	22.9 cm (9.0 in)	33 years	44 of 100 (Notable)
21 March 1933	Moncton, CA	daily rain	29.2 mm (1.1 in)	22.8 mm (0.9 in)	20 years	39 of 100 (Notable)
21 March 1933	Hampton, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	38 years	37 of 100 (Notable)
21 March 1933	Ottawa Cda, CA	daily rain	29.2 mm (1.1 in)	11.9 mm (0.5 in)	41 years	35 of 100 (Notable)
21 March 1933	Fredericton Unb, CA	daily snowfall	14.0 cm (5.5 in)	7.6 cm (3.0 in)	56 years	35 of 100 (Notable)
21 March 1933	Gainesville UNIV of Fl, US	daily rain	53.6 mm (2.1 in)	28.7 mm (1.1 in)	31 years	34 of 100 (Routine)
21 March 1933	Florence, US	daily snowfall	22.9 cm (9.0 in)	14.5 cm (5.7 in)	39 years	33 of 100 (Routine)
21 March 1933	Green Bay, US	daily snow depth	35.6 cm (14.0 in)	17.8 cm (7.0 in)	33 years	33 of 100 (Routine)
21 March 1933	Franklin, US	daily rain	42.7 mm (1.7 in)	20.6 mm (0.8 in)	32 years	32 of 100 (Routine)
21 March 1933	Avon, US	daily rain	30.5 mm (1.2 in)	14.0 mm (0.6 in)	28 years	32 of 100 (Routine)
21 March 1933	Rock Rapids, US	monthly snow depth	177.8 cm (70.0 in)	25.4 cm (10.0 in)	36 years	30 of 100 (Routine)
21 March 1933	Adelaide West Terrace, AU	monthly low min	6.9 C (44.4 F)	1.1 C (2.0 F)	45 years	29 of 100 (Routine)
21 March 1933	Bancroft, CA	daily rain	33.8 mm (1.3 in)	8.4 mm (0.33 in)	46 years	28 of 100 (Routine)
21 March 1933	Keene, US	daily rain	42.2 mm (1.7 in)	14.3 mm (0.6 in)	32 years	28 of 100 (Routine)
21 March 1933	Launceston (Pumping Station), AU	monthly low min	-0.6 C (30.9 F)	1.2 C (2.2 F)	31 years	27 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

1797 to 1933

Records set or tied on this calendar date in each year from 1797 to 1933. 1933 had 235 records.

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

Records on 03-21 in each year
Year	Records
1797	2
1805	1
1806	1
1822	1
1830	1
1836	1
1837	1
1845	1
1846	1
1850	1
1852	2
1857	1
1865	7
1874	1
1877	1
1880	1
1881	1
1883	2
1884	1
1885	5
1886	2
1888	1
1890	3
1892	1
1893	1
1894	1
1895	1
1896	2
1897	2
1898	3
1899	4
1900	4
1901	9
1902	18
1903	23
1904	17
1905	6
1906	3
1907	14
1908	3
1909	11
1910	10
1911	10
1912	36
1913	97
1914	71
1915	27
1916	44
1917	43
1918	43
1919	29
1920	90
1921	96
1922	50
1923	72
1924	96
1925	141
1926	282
1927	179
1928	293
1929	104
1930	99
1931	638
1932	305
1933	235
1934	114
1935	675
1936	225
1937	172
1938	783
1939	280
1940	366
1941	311
1942	330
1943	217
1944	556
1945	294
1946	570
1947	192
1948	948
1949	330
1950	398
1951	779
1952	689
1953	342
1954	211
1955	1,124
1956	686
1957	373
1958	619
1959	230
1960	892
1961	268
1962	548
1963	298
1964	333
1965	1,961
1966	464
1967	487
1968	798
1969	219
1970	612
1971	358
1972	519
1973	385
1974	1,097
1975	751
1976	710
1977	376
1978	838
1979	656
1980	775
1981	676
1982	850
1983	1,673
1984	835
1985	503
1986	1,170
1987	948
1988	1,155
1989	1,396
1990	1,380
1991	1,446
1992	877
1993	687
1994	684
1995	1,141
1996	1,119
1997	1,670
1998	935
1999	1,044
2000	802
2001	1,342
2002	1,593
2003	1,073
2004	1,511
2005	649
2006	1,417
2007	1,220
2008	734
2009	558
2010	1,134
2011	1,451
2012	2,854
2013	727
2014	639
2015	568
2016	553
2017	1,117
2018	809
2019	649
2020	445
2021	489
2022	615
2023	815
2024	432
2025	845
2026	2,614

Download the Data

Data for records on 1933-03-21: 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 200	182
200 to 400	4
400 to 600	1
600 to 800	1
800 to 1000	0
1000 to 1200	1
1200 to 1400	0
1400 to 1600	1