Weather Records on 21 April 1931

358 weather records were set or tied worldwide on 21 April 1931. Highest significance: Budapest, HU.

Key Facts for 21 April 1931

On 21 April 1931, 358 weather records were set or tied at long-record stations worldwide.
119 were record highs and 117 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 352 daily.
Budapest set a daily record precipitation of 43.2 mm (1.7 in) on 21 April 1931.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

358 stations

358 station records on 21 April 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Budapest	Hungary	Record daily precipitation	43.2 mm (1.7 in)	50 of 100 (Notable)
Stroud Post Office	Australia	Record daily precipitation	103.6 mm (4.1 in)	48 of 100 (Notable)
Moorland (Denro-An)	Australia	Record daily precipitation	109.0 mm (4.3 in)	45 of 100 (Notable)
Red Lodge	United States	Record daily snowfall	50.8 cm (20.0 in)	45 of 100 (Notable)
Dungog Post Office	Australia	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
White River	Canada	Record daily snowfall	15.7 cm (6.2 in)	40 of 100 (Notable)
Harrington (Oxley Anchorage Ca	Australia	Record daily precipitation	81.0 mm (3.2 in)	36 of 100 (Notable)
Warsaw	United States	Record daily precipitation	37.6 mm (1.5 in)	36 of 100 (Notable)
Forster - Tuncurry R.V.C.P.	Australia	Record daily precipitation	92.7 mm (3.6 in)	35 of 100 (Notable)
Pembroke Eddy Match	Canada	Record high minimum temperature	11.1 C (52.0 F)	35 of 100 (Notable)
Gloucester Post Office	Australia	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Wollong	Australia	Record daily precipitation	54.4 mm (2.1 in)	33 of 100 (Routine)
Red Lodge	United States	Record daily precipitation	61.0 mm (2.4 in)	33 of 100 (Routine)
Kempsey (Wide Street)	Australia	Record daily precipitation	71.6 mm (2.8 in)	31 of 100 (Routine)
Brocken	Germany	Record snow depth	135.0 cm (53.1 in)	31 of 100 (Routine)
Wauchope (Avondale Street)	Australia	Record daily precipitation	76.5 mm (3.0 in)	30 of 100 (Routine)
Blackville (Krui Vale)	Australia	Record daily precipitation	47.2 mm (1.9 in)	29 of 100 (Routine)
Orangajuli	India	Record daily precipitation	104.4 mm (4.1 in)	29 of 100 (Routine)
Keokuk L&D 19	United States	Record daily precipitation	29.7 mm (1.2 in)	29 of 100 (Routine)
Gresford Post Office	Australia	Record daily precipitation	40.4 mm (1.6 in)	27 of 100 (Routine)
Chicoutimi	Canada	Record high maximum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Urawilkie	Australia	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Bellbrook (East Street)	Australia	Record daily precipitation	58.4 mm (2.3 in)	25 of 100 (Routine)
Osijek	Croatia	Record daily precipitation	27.0 mm (1.1 in)	25 of 100 (Routine)
Branxton (Dalwood Vineyard)	Australia	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Barrie	Canada	Record high minimum temperature	10.6 C (51.1 F)	24 of 100 (Routine)
Gainesville	United States	Record low maximum temperature	13.9 C (57.0 F)	24 of 100 (Routine)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	70.6 mm (2.8 in)	23 of 100 (Routine)
Welland	Canada	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Stratford	Canada	Record high minimum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Mazbat(Majbat)	India	Record daily precipitation	35.6 mm (1.4 in)	23 of 100 (Routine)
Guthrie 5S	United States	Record daily precipitation	31.5 mm (1.2 in)	23 of 100 (Routine)
Lexington Bluegrass AP	United States	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Tahlee (Carrington (Church St)	Australia	Record daily precipitation	58.7 mm (2.3 in)	22 of 100 (Routine)
New Westminster	Canada	Record high maximum temperature	22.8 C (73.0 F)	22 of 100 (Routine)
London South	Canada	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Bird Rocks	Canada	Record high minimum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Chicoutimi	Canada	Record high minimum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Muskegon Co AP	United States	Record daily precipitation	30.2 mm (1.2 in)	22 of 100 (Routine)
Lankaran	Azerbaijan	Record daily precipitation	25.5 mm (1.0 in)	21 of 100 (Routine)
Kendall Post Office	Australia	Record daily precipitation	58.4 mm (2.3 in)	21 of 100 (Routine)
Beatrice	Canada	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Pana	United States	Record daily precipitation	52.8 mm (2.1 in)	21 of 100 (Routine)
Murfreesboro 5 N	United States	Record daily precipitation	52.6 mm (2.1 in)	21 of 100 (Routine)
Abitibi Post	Canada	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Olands Sodra Udde	Sweden	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Laurieton (Elouera St)	Australia	Record daily precipitation	64.0 mm (2.5 in)	20 of 100 (Routine)
Singleton Post Office	Australia	Record daily precipitation	26.9 mm (1.1 in)	20 of 100 (Routine)
Vancouver Pmo	Canada	Record high maximum temperature	23.9 C (75.0 F)	20 of 100 (Routine)
Kingston Queens U	Canada	Record high maximum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Bloomfield	Canada	Record high maximum temperature	24.4 C (75.9 F)	20 of 100 (Routine)
Montreal McGill	Canada	Record high minimum temperature	12.2 C (54.0 F)	20 of 100 (Routine)
Oroville 1 N	United States	Record high maximum temperature	35.0 C (95.0 F)	20 of 100 (Routine)
Paso Robles	United States	Record high maximum temperature	37.8 C (100.0 F)	20 of 100 (Routine)
Sacramento 5 ESE	United States	Record high maximum temperature	35.6 C (96.1 F)	20 of 100 (Routine)
Gowrie (Rotherfield)	Australia	Record daily precipitation	19.1 mm (0.8 in)	19 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Algona	United States	Record daily snowfall	2.5 cm (1.0 in)	19 of 100 (Routine)
Grayling	United States	Record daily precipitation	35.6 mm (1.4 in)	19 of 100 (Routine)
Ogdensburg 4 NE	United States	Record high maximum temperature	27.8 C (82.0 F)	19 of 100 (Routine)

Counts by Type and Timescale

358 records

Records set or tied on 21 April 1931 by type: Highest daily maximum 65, Lowest daily maximum 85, Highest daily minimum 54, Lowest daily minimum 32, Heaviest daily rainfall 113, Heaviest daily snowfall 8, Deepest snow cover 1.

Records on 21 April 1931 by type
Record type	Records
Highest daily maximum	65
Lowest daily maximum	85
Highest daily minimum	54
Lowest daily minimum	32
Heaviest daily rainfall	113
Heaviest daily snowfall	8
Deepest snow cover	1

Records on 21 April 1931 by timescale: all-time 0, monthly 6, daily 352.

How Much Records Were Beaten By

298 broken records

Margins by which the 298 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 500.0. Ties are not counted.

Top 20 by Significance

21 April 1931

Top 20 records on 21 April 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1931	Budapest, HU	daily rain	43.2 mm (1.7 in)	39.1 mm (1.5 in)	25 years	50 of 100 (Notable)
21 April 1931	Stroud Post Office, AU	daily rain	103.6 mm (4.1 in)	78.2 mm (3.1 in)	20 years	48 of 100 (Notable)
21 April 1931	Moorland (Denro-An), AU	daily rain	109.0 mm (4.3 in)	75.5 mm (3.0 in)	38 years	45 of 100 (Notable)
21 April 1931	Red Lodge, US	daily snowfall	50.8 cm (20.0 in)	43.2 cm (17.0 in)	8 years	45 of 100 (Notable)
21 April 1931	Dungog Post Office, AU	daily rain	56.4 mm (2.2 in)	46.5 mm (1.8 in)	32 years	41 of 100 (Notable)
21 April 1931	White River, CA	daily snowfall	15.7 cm (6.2 in)	10.6 cm (4.2 in)	37 years	40 of 100 (Notable)
21 April 1931	Harrington (Oxley Anchorage Ca, AU	daily rain	81.0 mm (3.2 in)	38.8 mm (1.5 in)	38 years	36 of 100 (Notable)
21 April 1931	Warsaw, US	daily rain	37.6 mm (1.5 in)	18.5 mm (0.7 in)	38 years	36 of 100 (Notable)
21 April 1931	Forster - Tuncurry R.V.C.P., AU	daily rain	92.7 mm (3.6 in)	60.9 mm (2.4 in)	13 years	35 of 100 (Notable)
21 April 1931	Pembroke Eddy Match, CA	daily high min	11.1 C (52.0 F)	5.0 C (9.0 F)	64 years	35 of 100 (Notable)
21 April 1931	Gloucester Post Office, AU	daily rain	40.6 mm (1.6 in)	27.1 mm (1.1 in)	38 years	33 of 100 (Routine)
21 April 1931	Wollong, AU	daily rain	54.4 mm (2.1 in)	33.6 mm (1.3 in)	38 years	33 of 100 (Routine)
21 April 1931	Red Lodge, US	daily rain	61.0 mm (2.4 in)	20.4 mm (0.8 in)	26 years	33 of 100 (Routine)
21 April 1931	Kempsey (Wide Street), AU	daily rain	71.6 mm (2.8 in)	47.5 mm (1.9 in)	6 years	31 of 100 (Routine)
21 April 1931	Brocken, DE	daily snow depth	135.0 cm (53.1 in)	50.0 cm (19.7 in)	34 years	31 of 100 (Routine)
21 April 1931	Wauchope (Avondale Street), AU	daily rain	76.5 mm (3.0 in)	48.6 mm (1.9 in)	20 years	30 of 100 (Routine)
21 April 1931	Blackville (Krui Vale), AU	daily rain	47.2 mm (1.9 in)	23.1 mm (0.9 in)	39 years	29 of 100 (Routine)
21 April 1931	Orangajuli, IN	daily rain	104.4 mm (4.1 in)	43.4 mm (1.7 in)	0 years	29 of 100 (Routine)
21 April 1931	Keokuk L&D 19, US	daily rain	29.7 mm (1.2 in)	16.7 mm (0.7 in)	25 years	29 of 100 (Routine)
21 April 1931	Gresford Post Office, AU	daily rain	40.4 mm (1.6 in)	32.8 mm (1.3 in)	4 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

1793 to 1931

Records set or tied on this calendar date in each year from 1793 to 1931. 1931 had 358 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 1931-04-21: 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).

Histogram of margins by which records were beaten on 21 April 1931
Margin	Records
0 to 100	295
100 to 200	1
200 to 300	0
300 to 400	0
400 to 500	2