Weather Records on 21 April 2012

687 weather records were set or tied worldwide on 21 April 2012. Highest significance: Everglades, US.

Key Facts for 21 April 2012

On 21 April 2012, 687 weather records were set or tied at long-record stations worldwide.
395 were record highs and 126 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 25 monthly and 662 daily.
Everglades set a daily record precipitation of 107.9 mm (4.2 in) on 21 April 2012.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

687 stations

687 station records on 21 April 2012 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 2012: highest significance records shown on the map
Station	Country	Type	Value	Significance
Everglades	United States	Record daily precipitation	107.9 mm (4.2 in)	63 of 100 (Major)
Dongfang	China	Record daily precipitation	95.2 mm (3.7 in)	59 of 100 (Notable)
Northway AP	United States	Record daily precipitation	26.7 mm (1.1 in)	58 of 100 (Notable)
Royal Palm Rs	United States	Record daily precipitation	84.3 mm (3.3 in)	56 of 100 (Notable)
Pasto/Antonio Narin	Colombia	Record daily precipitation	88.9 mm (3.5 in)	53 of 100 (Notable)
Longmire Rainier Nps	United States	Record daily precipitation	50.5 mm (2.0 in)	52 of 100 (Notable)
Fort Huachuca	United States	Record high maximum temperature	33.3 C (91.9 F)	51 of 100 (Notable)
Katherine Aviation Museum	Australia	Record daily precipitation	36.0 mm (1.4 in)	48 of 100 (Notable)
Deland 1 SSE	United States	Record daily precipitation	40.6 mm (1.6 in)	48 of 100 (Notable)
Theodore	Australia	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Sattahip	Thailand	Record low minimum temperature	19.3 C (66.7 F)	45 of 100 (Notable)
Cundancito	Mexico	Record low minimum temperature	10.0 C (50.0 F)	44 of 100 (Notable)
Wittmann 1SE	United States	Record high maximum temperature	38.3 C (100.9 F)	42 of 100 (Notable)
Yosemite Park HQ	United States	Record high minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Maria Island (Darlington)	Australia	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Huajimic	Mexico	Record low maximum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Kazan	Russia	Record high maximum temperature	24.6 C (76.3 F)	41 of 100 (Notable)
Poretskoye	Russia	Record high maximum temperature	25.5 C (77.9 F)	41 of 100 (Notable)
Martinsdale 3 NNW	United States	Record high minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Key W Intl AP	United States	Record daily precipitation	50.5 mm (2.0 in)	41 of 100 (Notable)
Chain of Lagoons	Australia	Record daily precipitation	25.0 mm (1.0 in)	40 of 100 (Notable)
Coles Bay (Freycinet)	Australia	Record daily precipitation	36.4 mm (1.4 in)	40 of 100 (Notable)
Chetumal (Dge)	Mexico	Record high maximum temperature	36.7 C (98.1 F)	40 of 100 (Notable)
Oktjabrskij-Gorodok	Russia	Record high maximum temperature	23.8 C (74.8 F)	40 of 100 (Notable)
Holly Springs 4 N	United States	Record daily precipitation	78.7 mm (3.1 in)	40 of 100 (Notable)
Koppio	Australia	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Roseburg Rgnl AP	United States	Record high minimum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Asuncion Nochixtlan	Mexico	Record low maximum temperature	21.7 C (71.1 F)	38 of 100 (Notable)
Aspendell	United States	Record high minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Chengshantou	China	Record daily precipitation	66.9 mm (2.6 in)	37 of 100 (Notable)
Bradenton 5 ESE	United States	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Fairmont	United States	Record high minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Blanding	United States	Record high maximum temperature	27.2 C (81.0 F)	36 of 100 (Notable)
Shijiazhuang	China	Record daily precipitation	28.3 mm (1.1 in)	35 of 100 (Notable)
Dulce	United States	Record high maximum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Aktobe	Kazakhstan	Record high minimum temperature	13.2 C (55.8 F)	34 of 100 (Routine)
Orovada 3 W	United States	Record high maximum temperature	30.6 C (87.1 F)	34 of 100 (Routine)
Elko Rgnl AP	United States	Record high maximum temperature	27.8 C (82.0 F)	34 of 100 (Routine)
Friant Government Camp	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Castle Hot Springs	United States	Record high maximum temperature	36.7 C (98.1 F)	32 of 100 (Routine)
Escalante	United States	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Nogliki	Russia	Record high minimum temperature	3.7 C (38.7 F)	31 of 100 (Routine)
Wasco	United States	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Bridgehampton	United States	Record high minimum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Bossembele	Central African Republic	Record low maximum temperature	24.5 C (76.1 F)	30 of 100 (Routine)
Port-Aux-Francais (Iles Kergu	France	Record daily precipitation	26.9 mm (1.1 in)	30 of 100 (Routine)
Veselaja Gorka	Russia	Record high minimum temperature	7.3 C (45.1 F)	30 of 100 (Routine)
Ft Grant	United States	Record high minimum temperature	17.2 C (63.0 F)	30 of 100 (Routine)
Sasabe	United States	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Wallace	United States	Record high maximum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Fallon Exp STN	United States	Record high maximum temperature	30.6 C (87.1 F)	30 of 100 (Routine)
Bannaby (Hillasmount)	Australia	Record daily precipitation	44.0 mm (1.7 in)	29 of 100 (Routine)
Pajaritos de la Sierra	Mexico	Record low minimum temperature	-3.3 C (26.1 F)	29 of 100 (Routine)
Moore Haven Lock 1	United States	Record high minimum temperature	24.4 C (75.9 F)	29 of 100 (Routine)
Royal Palm Rs	United States	Record low maximum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Tonopah	United States	Record high maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Melrose 1 NE	United States	Record daily precipitation	38.1 mm (1.5 in)	29 of 100 (Routine)
Key West NAS	United States	Record daily precipitation	44.7 mm (1.8 in)	29 of 100 (Routine)
Palmdale AP	United States	Record high minimum temperature	15.0 C (59.0 F)	29 of 100 (Routine)
Taipak	Kazakhstan	Record high maximum temperature	32.3 C (90.1 F)	28 of 100 (Routine)

Counts by Type and Timescale

687 records

Records set or tied on 21 April 2012 by type: Highest daily maximum 207, Lowest daily maximum 52, Highest daily minimum 188, Lowest daily minimum 74, Heaviest daily rainfall 161, Heaviest daily snowfall 2, Deepest snow cover 3.

Records on 21 April 2012 by type
Record type	Records
Highest daily maximum	207
Lowest daily maximum	52
Highest daily minimum	188
Lowest daily minimum	74
Heaviest daily rainfall	161
Heaviest daily snowfall	2
Deepest snow cover	3

Records on 21 April 2012 by timescale: all-time 0, monthly 25, daily 662.

How Much Records Were Beaten By

523 broken records

Margins by which the 523 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 2012

Top 20 records on 21 April 2012 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 2012	Everglades, US	daily rain	107.9 mm (4.2 in)	60.9 mm (2.4 in)	58 years	63 of 100 (Major)
21 April 2012	Dongfang, CN	daily rain	95.2 mm (3.7 in)	76.9 mm (3.0 in)	46 years	59 of 100 (Notable)
21 April 2012	Northway AP, US	monthly rain	26.7 mm (1.1 in)	13.2 mm (0.5 in)	5 years	58 of 100 (Notable)
21 April 2012	Royal Palm Rs, US	daily rain	84.3 mm (3.3 in)	76.4 mm (3.0 in)	52 years	56 of 100 (Notable)
21 April 2012	Pasto/Antonio Narin, CO	monthly rain	88.9 mm (3.5 in)	27.9 mm (1.1 in)	44 years	53 of 100 (Notable)
21 April 2012	Longmire Rainier Nps, US	daily rain	50.5 mm (2.0 in)	38.1 mm (1.5 in)	32 years	52 of 100 (Notable)
21 April 2012	Fort Huachuca, US	monthly high max	33.3 C (91.9 F)	0.5 C (0.9 F)	102 years	51 of 100 (Notable)
21 April 2012	Katherine Aviation Museum, AU	daily rain	36.0 mm (1.4 in)	35.5 mm (1.4 in)	68 years	48 of 100 (Notable)
21 April 2012	Deland 1 SSE, US	daily rain	40.6 mm (1.6 in)	16.5 mm (0.6 in)	94 years	48 of 100 (Notable)
21 April 2012	Theodore, AU	daily rain	50.0 mm (2.0 in)	50.0 mm (2.0 in)	44 years	46 of 100 (Notable)
21 April 2012	Sattahip, TH	daily low min	19.3 C (66.7 F)	4.1 C (7.4 F)	56 years	45 of 100 (Notable)
21 April 2012	Cundancito, MX	daily low min	10.0 C (50.0 F)	6.1 C (11.0 F)	47 years	44 of 100 (Notable)
21 April 2012	Wittmann 1SE, US	monthly high max	38.3 C (100.9 F)	0.5 C (0.9 F)	81 years	42 of 100 (Notable)
21 April 2012	Yosemite Park HQ, US	daily high min	11.7 C (53.1 F)	3.4 C (6.1 F)	78 years	42 of 100 (Notable)
21 April 2012	Maria Island (Darlington), AU	daily rain	28.0 mm (1.1 in)	13.5 mm (0.5 in)	64 years	41 of 100 (Notable)
21 April 2012	Huajimic, MX	daily low max	21.7 C (71.1 F)	7.2 C (13.0 F)	27 years	41 of 100 (Notable)
21 April 2012	Kazan, RU	daily high max	24.6 C (76.3 F)	0.7 C (1.3 F)	111 years	41 of 100 (Notable)
21 April 2012	Poretskoye, RU	daily high max	25.5 C (77.9 F)	0.8 C (1.4 F)	111 years	41 of 100 (Notable)
21 April 2012	Martinsdale 3 NNW, US	daily high min	7.8 C (46.0 F)	0.6 C (1.1 F)	109 years	41 of 100 (Notable)
21 April 2012	Key W Intl AP, US	daily rain	50.5 mm (2.0 in)	39.3 mm (1.5 in)	47 years	41 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 2012

Records set or tied on this calendar date in each year from 1793 to 2012. 2012 had 687 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 2012-04-21: 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 2026-10-13 (13 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	505
25 to 50	10
50 to 75	5
75 to 100	2
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1