Weather Records on 28 April 2021

482 weather records were set or tied worldwide on 28 April 2021. Highest significance: Lankaran, AZ.

Key Facts for 28 April 2021

On 28 April 2021, 482 weather records were set or tied at long-record stations worldwide.
268 were record highs and 70 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 19 monthly and 462 daily.
Lankaran set a daily record precipitation of 99.6 mm (3.9 in) on 28 April 2021.
Across 161 earlier years (1795 to 2026) the same calendar date averaged 478 records.

Record Map

482 stations

482 station records on 28 April 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 April 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lankaran	Azerbaijan	Record daily precipitation	99.6 mm (3.9 in)	76 of 100 (Major)
Leroy 5 WSW	United States	Record daily precipitation	74.4 mm (2.9 in)	74 of 100 (Major)
Akron 4 E	United States	Record daily precipitation	66.8 mm (2.6 in)	71 of 100 (Major)
Harrison	United States	Record daily precipitation	100.1 mm (3.9 in)	65 of 100 (Major)
Duncan	United States	Record daily precipitation	83.1 mm (3.3 in)	63 of 100 (Major)
Ft Madison	United States	Record daily precipitation	42.7 mm (1.7 in)	56 of 100 (Notable)
Kita	Mali	Record high maximum temperature	49.8 C (121.6 F)	55 of 100 (Notable)
Abilene Rgnl AP	United States	Record daily precipitation	83.6 mm (3.3 in)	54 of 100 (Notable)
Ottawa	United States	Record daily precipitation	45.7 mm (1.8 in)	51 of 100 (Notable)
Roscoe	United States	Record daily precipitation	90.9 mm (3.6 in)	50 of 100 (Notable)
Strawn 8 NNE	United States	Record daily precipitation	92.5 mm (3.6 in)	49 of 100 (Notable)
San Antonio Intl AP	United States	Record daily precipitation	64.8 mm (2.6 in)	49 of 100 (Notable)
General Wayne A Downing Intl A	United States	Record daily precipitation	77.5 mm (3.1 in)	49 of 100 (Notable)
Anson	United States	Record daily precipitation	51.3 mm (2.0 in)	48 of 100 (Notable)
Seymour 3NW	United States	Record daily precipitation	64.0 mm (2.5 in)	48 of 100 (Notable)
Fayetteville Drake Fld	United States	Record daily precipitation	63.0 mm (2.5 in)	47 of 100 (Notable)
Matuku	Fiji	Record daily precipitation	125.9 mm (5.0 in)	46 of 100 (Notable)
Decatur	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
San Simon	United States	Record low maximum temperature	18.3 C (64.9 F)	44 of 100 (Notable)
Morris 1NW	United States	Record high minimum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Beaver Is	United States	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
Stamford 1	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Augusta	United States	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Ft Smith Rgnl AP	United States	Record daily precipitation	63.8 mm (2.5 in)	43 of 100 (Notable)
Harrison Boone Co AP	United States	Record daily precipitation	71.1 mm (2.8 in)	43 of 100 (Notable)
Hourglass Rsvr	United States	Record daily snowfall	43.2 cm (17.0 in)	42 of 100 (Notable)
Yuma	United States	Record daily precipitation	50.0 mm (2.0 in)	42 of 100 (Notable)
Shawnee	United States	Record daily precipitation	48.8 mm (1.9 in)	42 of 100 (Notable)
Washington Is	United States	Record daily precipitation	34.8 mm (1.4 in)	42 of 100 (Notable)
Ft Morgan	United States	Record daily precipitation	27.2 mm (1.1 in)	41 of 100 (Notable)
Gladstone L/D 18	United States	Record high minimum temperature	16.7 C (62.1 F)	41 of 100 (Notable)
Coleman	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Hillsboro	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Minonk	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Narrogin	Australia	Record high maximum temperature	29.5 C (85.1 F)	39 of 100 (Notable)
Briggsdale	United States	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Thule Op Site	Greenland [Denmark]	Record high minimum temperature	-0.7 C (30.7 F)	38 of 100 (Notable)
Duncan 10 W	United States	Record daily precipitation	57.4 mm (2.3 in)	38 of 100 (Notable)
Woodson	United States	Record daily precipitation	56.9 mm (2.2 in)	38 of 100 (Notable)
Kellerberrin	Australia	Record high maximum temperature	33.0 C (91.4 F)	37 of 100 (Notable)
Yuma 10 NW	United States	Record daily precipitation	54.4 mm (2.1 in)	36 of 100 (Notable)
Brouwershaven	Netherlands	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Urmi	Russia	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Vernon	United States	Record daily precipitation	62.5 mm (2.5 in)	35 of 100 (Notable)
Mullewa	Australia	Record high maximum temperature	34.0 C (93.2 F)	34 of 100 (Routine)
Mengzi	China	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Cirik-Rabat	Kazakhstan	Record high maximum temperature	37.7 C (99.9 F)	34 of 100 (Routine)
Vrouwenpolder	Netherlands	Record daily precipitation	25.0 mm (1.0 in)	34 of 100 (Routine)
Marion Island	South Africa	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Glenwood Spgs #2	United States	Record high minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Ferris	United States	Record daily precipitation	67.8 mm (2.7 in)	34 of 100 (Routine)
Junction 4SSW	United States	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Elblag-Milejewo	Poland	Record low minimum temperature	0.4 C (32.7 F)	33 of 100 (Routine)
Funafuti Intl Arpt	Tuvalu	Record daily precipitation	98.0 mm (3.9 in)	33 of 100 (Routine)
Albany	United States	Record daily precipitation	48.3 mm (1.9 in)	33 of 100 (Routine)
Barth	Germany	Record low minimum temperature	-4.1 C (24.6 F)	32 of 100 (Routine)
Ulleungdo	Korea, South	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Pittsburgh Allegheny Co AP	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Pittsburgh ASOS	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Legune	Australia	Record daily precipitation	30.8 mm (1.2 in)	31 of 100 (Routine)

Counts by Type and Timescale

482 records

Records set or tied on 28 April 2021 by type: Highest daily maximum 104, Lowest daily maximum 26, Highest daily minimum 164, Lowest daily minimum 44, Heaviest daily rainfall 137, Heaviest daily snowfall 4, Deepest snow cover 3.

Records on 28 April 2021 by type
Record type	Records
Highest daily maximum	104
Lowest daily maximum	26
Highest daily minimum	164
Lowest daily minimum	44
Heaviest daily rainfall	137
Heaviest daily snowfall	4
Deepest snow cover	3

Records on 28 April 2021 by timescale: all-time 1, monthly 19, daily 462.

How Much Records Were Beaten By

389 broken records

Margins by which the 389 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

28 April 2021

Top 20 records on 28 April 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 April 2021	Lankaran, AZ	daily rain	99.6 mm (3.9 in)	55.6 mm (2.2 in)	87 years	76 of 100 (Major)
28 April 2021	Leroy 5 WSW, US	daily rain	74.4 mm (2.9 in)	52.6 mm (2.1 in)	80 years	74 of 100 (Major)
28 April 2021	Akron 4 E, US	monthly rain	66.8 mm (2.6 in)	19.8 mm (0.8 in)	86 years	71 of 100 (Major)
28 April 2021	Harrison, US	daily rain	100.1 mm (3.9 in)	42.2 mm (1.7 in)	106 years	65 of 100 (Major)
28 April 2021	Duncan, US	daily rain	83.1 mm (3.3 in)	46.0 mm (1.8 in)	80 years	63 of 100 (Major)
28 April 2021	Ft Madison, US	daily rain	42.7 mm (1.7 in)	17.3 mm (0.7 in)	114 years	56 of 100 (Notable)
28 April 2021	Kita, ML	all-time high max	49.8 C (121.6 F)	3.8 C (6.8 F)	39 years	55 of 100 (Notable)
28 April 2021	Abilene Rgnl AP, US	monthly rain	83.6 mm (3.3 in)	21.4 mm (0.8 in)	64 years	54 of 100 (Notable)
28 April 2021	Ottawa, US	daily rain	45.7 mm (1.8 in)	27.7 mm (1.1 in)	40 years	51 of 100 (Notable)
28 April 2021	Roscoe, US	daily rain	90.9 mm (3.6 in)	35.8 mm (1.4 in)	58 years	50 of 100 (Notable)
28 April 2021	Strawn 8 NNE, US	daily rain	92.5 mm (3.6 in)	60.2 mm (2.4 in)	15 years	49 of 100 (Notable)
28 April 2021	San Antonio Intl AP, US	daily rain	64.8 mm (2.6 in)	32.3 mm (1.3 in)	64 years	49 of 100 (Notable)
28 April 2021	General Wayne A Downing Intl A, US	daily rain	77.5 mm (3.1 in)	28.2 mm (1.1 in)	64 years	49 of 100 (Notable)
28 April 2021	Anson, US	daily rain	51.3 mm (2.0 in)	25.9 mm (1.0 in)	72 years	48 of 100 (Notable)
28 April 2021	Seymour 3NW, US	daily rain	64.0 mm (2.5 in)	15.2 mm (0.6 in)	91 years	48 of 100 (Notable)
28 April 2021	Fayetteville Drake Fld, US	daily rain	63.0 mm (2.5 in)	42.9 mm (1.7 in)	46 years	47 of 100 (Notable)
28 April 2021	Matuku, FJ	daily rain	125.9 mm (5.0 in)	101.3 mm (4.0 in)	8 years	46 of 100 (Notable)
28 April 2021	Decatur, US	daily rain	50.8 mm (2.0 in)	33.0 mm (1.3 in)	58 years	46 of 100 (Notable)
28 April 2021	San Simon, US	daily low max	18.3 C (64.9 F)	1.7 C (3.1 F)	116 years	44 of 100 (Notable)
28 April 2021	Morris 1NW, US	daily high min	19.4 C (66.9 F)	2.2 C (4.0 F)	107 years	44 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

1795 to 2021

Records set or tied on this calendar date in each year from 1795 to 2021. 2021 had 482 records.

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

Records on 04-28 in each year
Year	Records
1795	1
1800	1
1803	1
1814	2
1817	4
1840	1
1841	1
1843	1
1844	1
1853	1
1857	2
1861	1
1862	1
1866	2
1871	1
1872	1
1874	5
1877	2
1878	1
1879	1
1882	2
1883	1
1885	1
1888	1
1889	1
1890	2
1891	3
1892	4
1893	1
1894	2
1895	3
1896	2
1897	2
1898	5
1899	2
1900	6
1901	7
1902	11
1903	3
1904	13
1905	6
1906	9
1907	19
1908	24
1909	43
1910	12
1911	29
1912	13
1913	69
1914	28
1915	46
1916	15
1917	41
1918	18
1919	63
1920	51
1921	89
1922	87
1923	126
1924	70
1925	114
1926	265
1927	132
1928	713
1929	136
1930	105
1931	291
1932	247
1933	327
1934	530
1935	430
1936	143
1937	698
1938	444
1939	356
1940	348
1941	268
1942	665
1943	442
1944	245
1945	371
1946	418
1947	547
1948	545
1949	580
1950	661
1951	617
1952	894
1953	482
1954	900
1955	583
1956	812
1957	614
1958	535
1959	647
1960	582
1961	222
1962	603
1963	568
1964	394
1965	707
1966	800
1967	947
1968	536
1969	432
1970	1,977
1971	570
1972	523
1973	915
1974	777
1975	795
1976	822
1977	533
1978	496
1979	783
1980	644
1981	967
1982	710
1983	1,156
1984	1,357
1985	959
1986	1,029
1987	1,822
1988	967
1989	1,089
1990	1,608
1991	913
1992	2,252
1993	1,191
1994	1,906
1995	726
1996	967
1997	1,784
1998	942
1999	632
2000	1,113
2001	1,015
2002	1,287
2003	958
2004	887
2005	1,056
2006	782
2007	1,340
2008	1,407
2009	979
2010	905
2011	1,161
2012	1,135
2013	721
2014	704
2015	468
2016	783
2017	829
2018	384
2019	662
2020	535
2021	482
2022	532
2023	834
2024	594
2025	650
2026	521

Download the Data

Data for records on 2021-04-28: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	382
50 to 100	5
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	1