Weather Records on 21 April 2013

1,015 weather records were set or tied worldwide on 21 April 2013. Highest significance: Nullarbor, AU.

Key Facts for 21 April 2013

On 21 April 2013, 1,015 weather records were set or tied at long-record stations worldwide.
89 were record highs and 591 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 13 monthly and 1,001 daily.
Nullarbor set a daily record precipitation of 40.2 mm (1.6 in) on 21 April 2013.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 459 records.

Record Map

1,015 stations

1,015 station records on 21 April 2013 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 2013: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nullarbor	Australia	Record daily precipitation	40.2 mm (1.6 in)	71 of 100 (Major)
Great Falls 16St	United States	Record daily snowfall	14.2 cm (5.6 in)	68 of 100 (Major)
Murrays Lagoon (Bayside)	Australia	Record daily precipitation	97.0 mm (3.8 in)	63 of 100 (Major)
Missoula 6 NW WFO	United States	Record daily snowfall	8.9 cm (3.5 in)	63 of 100 (Major)
Polson	United States	Record daily snowfall	14.0 cm (5.5 in)	63 of 100 (Major)
Bendalong Stp	Australia	Record daily precipitation	107.0 mm (4.2 in)	62 of 100 (Major)
Bemidji	United States	Record snow depth	63.5 cm (25.0 in)	61 of 100 (Major)
Newell	United States	Record daily snowfall	12.7 cm (5.0 in)	59 of 100 (Notable)
Nundroo	Australia	Record daily precipitation	29.2 mm (1.1 in)	58 of 100 (Notable)
Penong	Australia	Record daily precipitation	38.0 mm (1.5 in)	56 of 100 (Notable)
Gaya	India	Record daily precipitation	26.9 mm (1.1 in)	55 of 100 (Notable)
Mellette 4 W	United States	Record snow depth	38.1 cm (15.0 in)	55 of 100 (Notable)
Ceduna (Uworra)	Australia	Record daily precipitation	30.6 mm (1.2 in)	53 of 100 (Notable)
Jagdalpur	India	Record low maximum temperature	26.6 C (79.9 F)	52 of 100 (Notable)
Brainerd	United States	Record snow depth	22.9 cm (9.0 in)	52 of 100 (Notable)
Ceduna AMO	Australia	Record daily precipitation	25.2 mm (1.0 in)	50 of 100 (Notable)
Haslam	Australia	Record daily precipitation	27.4 mm (1.1 in)	50 of 100 (Notable)
Tickera	Australia	Record daily precipitation	26.8 mm (1.1 in)	50 of 100 (Notable)
Skq Dam	United States	Record daily snowfall	12.7 cm (5.0 in)	49 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	137.4 mm (5.4 in)	48 of 100 (Notable)
Long Prairie	United States	Record snow depth	30.5 cm (12.0 in)	48 of 100 (Notable)
Missoula Intl AP	United States	Record daily snowfall	8.9 cm (3.5 in)	48 of 100 (Notable)
Munising	United States	Record snow depth	61.0 cm (24.0 in)	47 of 100 (Notable)
Miller	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Courela (Lindarnoe)	Australia	Record daily precipitation	31.0 mm (1.2 in)	46 of 100 (Notable)
Grand Marais	United States	Record low minimum temperature	-13.3 C (8.1 F)	46 of 100 (Notable)
Clear Lake	United States	Record low minimum temperature	-11.1 C (12.0 F)	46 of 100 (Notable)
Sibley	United States	Record low minimum temperature	-9.4 C (15.1 F)	45 of 100 (Notable)
Choteau	United States	Record daily snowfall	11.4 cm (4.5 in)	45 of 100 (Notable)
Napoleon	United States	Record snow depth	15.2 cm (6.0 in)	45 of 100 (Notable)
Upham 3 N	United States	Record snow depth	48.3 cm (19.0 in)	45 of 100 (Notable)
Carrizo Springs 3S	United States	Record low minimum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Detour Village	United States	Record low minimum temperature	-7.8 C (18.0 F)	44 of 100 (Notable)
Cloquet	United States	Record snow depth	61.0 cm (24.0 in)	44 of 100 (Notable)
Beaumont City	United States	Record low minimum temperature	6.1 C (43.0 F)	44 of 100 (Notable)
Cumberland	United States	Record low minimum temperature	-13.9 C (7.0 F)	44 of 100 (Notable)
Inverness 3 SE	United States	Record low maximum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Lake City 2 E	United States	Record low maximum temperature	17.2 C (63.0 F)	43 of 100 (Notable)
Angola	United States	Record low minimum temperature	-6.1 C (21.0 F)	43 of 100 (Notable)
Canby	United States	Record snow depth	22.9 cm (9.0 in)	43 of 100 (Notable)
Augusta	United States	Record daily snowfall	15.7 cm (6.2 in)	43 of 100 (Notable)
Holter Dam	United States	Record daily snowfall	5.1 cm (2.0 in)	43 of 100 (Notable)
Ben Gurion	Israel	Record daily precipitation	29.7 mm (1.2 in)	42 of 100 (Notable)
Howell Wwtp	United States	Record low minimum temperature	-6.7 C (19.9 F)	42 of 100 (Notable)
Pine Rvr Dam	United States	Record snow depth	35.6 cm (14.0 in)	42 of 100 (Notable)
Edgeley 3WNW	United States	Record snow depth	30.5 cm (12.0 in)	42 of 100 (Notable)
Mayville	United States	Record low minimum temperature	-8.3 C (17.1 F)	42 of 100 (Notable)
Upper Sandusky	United States	Record low maximum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Luck	United States	Record snow depth	17.8 cm (7.0 in)	42 of 100 (Notable)
Minocqua	United States	Record low minimum temperature	-13.3 C (8.1 F)	42 of 100 (Notable)
Intl Falls Intl AP	United States	Record snow depth	48.0 cm (18.9 in)	42 of 100 (Notable)
Deland 1 SSE	United States	Record low maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Allerton	United States	Record low minimum temperature	-3.3 C (26.1 F)	41 of 100 (Notable)
Brimson 2S	United States	Record snow depth	58.4 cm (23.0 in)	41 of 100 (Notable)
Long Prairie	United States	Record low maximum temperature	1.1 C (34.0 F)	41 of 100 (Notable)
Polson	United States	Record snow depth	12.7 cm (5.0 in)	41 of 100 (Notable)
Faulkton	United States	Record snow depth	30.5 cm (12.0 in)	41 of 100 (Notable)
Flandreau	United States	Record low maximum temperature	0.6 C (33.1 F)	41 of 100 (Notable)
Manitowoc	United States	Record low maximum temperature	3.3 C (37.9 F)	41 of 100 (Notable)
Gladwin	United States	Record low minimum temperature	-6.7 C (19.9 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,015 records

Records set or tied on 21 April 2013 by type: Highest daily maximum 51, Lowest daily maximum 234, Highest daily minimum 38, Lowest daily minimum 357, Heaviest daily rainfall 167, Heaviest daily snowfall 47, Deepest snow cover 121.

Records on 21 April 2013 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	234
Highest daily minimum	38
Lowest daily minimum	357
Heaviest daily rainfall	167
Heaviest daily snowfall	47
Deepest snow cover	121

Records on 21 April 2013 by timescale: all-time 1, monthly 13, daily 1,001.

How Much Records Were Beaten By

810 broken records

Margins by which the 810 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 559.0. Ties are not counted.

Top 20 by Significance

21 April 2013

Top 20 records on 21 April 2013 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 2013	Nullarbor, AU	daily rain	40.2 mm (1.6 in)	35.1 mm (1.4 in)	72 years	71 of 100 (Major)
21 April 2013	Great Falls 16St, US	daily snowfall	14.2 cm (5.6 in)	14.2 cm (5.6 in)	119 years	68 of 100 (Major)
21 April 2013	Murrays Lagoon (Bayside), AU	all-time rain	97.0 mm (3.8 in)	6.3 mm (0.25 in)	83 years	63 of 100 (Major)
21 April 2013	Missoula 6 NW WFO, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	119 years	63 of 100 (Major)
21 April 2013	Polson, US	monthly snowfall	14.0 cm (5.5 in)	3.8 cm (1.5 in)	91 years	63 of 100 (Major)
21 April 2013	Bendalong Stp, AU	daily rain	107.0 mm (4.2 in)	87.9 mm (3.5 in)	51 years	62 of 100 (Major)
21 April 2013	Bemidji, US	daily snow depth	63.5 cm (25.0 in)	45.7 cm (18.0 in)	43 years	61 of 100 (Major)
21 April 2013	Newell, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	92 years	59 of 100 (Notable)
21 April 2013	Nundroo, AU	daily rain	29.2 mm (1.1 in)	23.9 mm (0.9 in)	52 years	58 of 100 (Notable)
21 April 2013	Penong, AU	daily rain	38.0 mm (1.5 in)	20.2 mm (0.8 in)	39 years	56 of 100 (Notable)
21 April 2013	Gaya, IN	daily rain	26.9 mm (1.1 in)	21.1 mm (0.8 in)	56 years	55 of 100 (Notable)
21 April 2013	Mellette 4 W, US	daily snow depth	38.1 cm (15.0 in)	30.5 cm (12.0 in)	24 years	55 of 100 (Notable)
21 April 2013	Ceduna (Uworra), AU	daily rain	30.6 mm (1.2 in)	22.8 mm (0.9 in)	32 years	53 of 100 (Notable)
21 April 2013	Jagdalpur, IN	daily low max	26.6 C (79.9 F)	7.3 C (13.1 F)	55 years	52 of 100 (Notable)
21 April 2013	Brainerd, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	64 years	52 of 100 (Notable)
21 April 2013	Ceduna AMO, AU	daily rain	25.2 mm (1.0 in)	12.0 mm (0.5 in)	52 years	50 of 100 (Notable)
21 April 2013	Haslam, AU	daily rain	27.4 mm (1.1 in)	18.4 mm (0.7 in)	32 years	50 of 100 (Notable)
21 April 2013	Tickera, AU	daily rain	26.8 mm (1.1 in)	19.8 mm (0.8 in)	32 years	50 of 100 (Notable)
21 April 2013	Skq Dam, US	monthly snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	62 years	49 of 100 (Notable)
21 April 2013	Milton Post Office, AU	daily rain	137.4 mm (5.4 in)	58.7 mm (2.3 in)	48 years	48 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 2013

Records set or tied on this calendar date in each year from 1793 to 2013. 2013 had 1,015 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 2013-04-21: 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 100	757
100 to 200	28
200 to 300	14
300 to 400	4
400 to 500	6
500 to 600	1