Weather Records on 21 April 2025

506 weather records were set or tied worldwide on 21 April 2025. Highest significance: Barnaul, RU.

Key Facts for 21 April 2025

On 21 April 2025, 506 weather records were set or tied at long-record stations worldwide.
294 were record highs and 20 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 493 daily.
Barnaul set a monthly record daily precipitation of 36.1 mm (1.4 in) on 21 April 2025.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 462 records.

Record Map

506 stations

506 station records on 21 April 2025 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 2025: highest significance records shown on the map
Station	Country	Type	Value	Significance
Barnaul	Russia	Record daily precipitation	36.1 mm (1.4 in)	72 of 100 (Major)
Trempealeau Dam 6	United States	Record daily precipitation	54.9 mm (2.2 in)	67 of 100 (Major)
Lake Leake (Kooeeyong)	Australia	Record daily precipitation	35.0 mm (1.4 in)	65 of 100 (Major)
Mahnomen	United States	Record daily precipitation	90.2 mm (3.6 in)	65 of 100 (Major)
Krestcy	Russia	Record daily precipitation	33.0 mm (1.3 in)	55 of 100 (Notable)
Strasbourg-Entzheim	France	Record daily precipitation	32.2 mm (1.3 in)	53 of 100 (Notable)
La Crescent Dam 7	United States	Record daily precipitation	57.4 mm (2.3 in)	52 of 100 (Notable)
Chippewa Falls	United States	Record daily precipitation	38.6 mm (1.5 in)	52 of 100 (Notable)
Logansport	United States	Record daily precipitation	72.9 mm (2.9 in)	51 of 100 (Notable)
Allerton	United States	Record daily precipitation	33.8 mm (1.3 in)	50 of 100 (Notable)
Manchester #2	United States	Record daily precipitation	66.3 mm (2.6 in)	50 of 100 (Notable)
Grinnell 3 SW	United States	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Iowa Falls	United States	Record daily precipitation	39.4 mm (1.6 in)	47 of 100 (Notable)
Caledonia	United States	Record daily precipitation	54.4 mm (2.1 in)	47 of 100 (Notable)
Black Rvr Falls Sewage	United States	Record daily precipitation	47.8 mm (1.9 in)	47 of 100 (Notable)
Medford	United States	Record daily precipitation	42.2 mm (1.7 in)	47 of 100 (Notable)
Owen 1E	United States	Record daily precipitation	46.7 mm (1.8 in)	47 of 100 (Notable)
New Orleans AP	United States	Record daily precipitation	111.3 mm (4.4 in)	47 of 100 (Notable)
Grundy Ctr	United States	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Tastyp	Russia	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Cedar Rapids #1	United States	Record daily precipitation	49.5 mm (1.9 in)	44 of 100 (Notable)
New Hampton	United States	Record daily precipitation	46.2 mm (1.8 in)	44 of 100 (Notable)
Preston	United States	Record daily precipitation	42.4 mm (1.7 in)	44 of 100 (Notable)
Appleton City	United States	Record daily precipitation	52.6 mm (2.1 in)	44 of 100 (Notable)
Durand	United States	Record daily precipitation	38.1 mm (1.5 in)	44 of 100 (Notable)
Grand Meadow	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Romney 1 SW	United States	Record high minimum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Paradise	United States	Record low minimum temperature	-2.2 C (28.0 F)	41 of 100 (Notable)
Titusville	United States	Record high minimum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Vinton	United States	Record daily precipitation	54.4 mm (2.1 in)	41 of 100 (Notable)
Erie	United States	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
Roxboro 7 ESE	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Nanchang	China	Record daily precipitation	71.6 mm (2.8 in)	40 of 100 (Notable)
Fayette	United States	Record daily precipitation	43.2 mm (1.7 in)	40 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Hokah Wwtp	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Marlow 1 WSW	United States	Record daily precipitation	73.7 mm (2.9 in)	39 of 100 (Notable)
Xinyang	China	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Fairfield	United States	Record daily precipitation	57.7 mm (2.3 in)	37 of 100 (Notable)
Hampton	United States	Record daily precipitation	40.6 mm (1.6 in)	37 of 100 (Notable)
Winona Dam 5 A	United States	Record daily precipitation	43.9 mm (1.7 in)	35 of 100 (Notable)
Bloomer	United States	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Merrill	United States	Record daily precipitation	35.1 mm (1.4 in)	35 of 100 (Notable)
Cheikh Larbi Tebessi	Algeria	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Chunggang	Korea, North	Record high minimum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Rushford	United States	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Puhi 1013	United States	Record daily precipitation	31.5 mm (1.2 in)	34 of 100 (Routine)
Kuching	Malaysia	Record daily precipitation	69.1 mm (2.7 in)	33 of 100 (Routine)
Christchurch Intl	New Zealand	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Minsk	Belarus	Record high maximum temperature	24.8 C (76.6 F)	32 of 100 (Routine)
Wuzhou	China	Record high minimum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Krasnaja_Gora	Russia	Record high maximum temperature	26.5 C (79.7 F)	32 of 100 (Routine)
Alatyr'	Russia	Record high minimum temperature	13.5 C (56.3 F)	32 of 100 (Routine)
Decorah	United States	Record daily precipitation	53.6 mm (2.1 in)	32 of 100 (Routine)
Iowa City	United States	Record daily precipitation	44.5 mm (1.8 in)	32 of 100 (Routine)
Alderson	United States	Record high minimum temperature	11.7 C (53.1 F)	32 of 100 (Routine)
Houston William P Hobby AP	United States	Record daily precipitation	82.8 mm (3.3 in)	32 of 100 (Routine)
Lord Howe Island Aero	Australia	Record high maximum temperature	25.5 C (77.9 F)	31 of 100 (Routine)
Patna	India	Record high minimum temperature	28.6 C (83.5 F)	31 of 100 (Routine)
Raoul Isl/Kermadec	New Zealand	Record high maximum temperature	27.0 C (80.6 F)	31 of 100 (Routine)

Counts by Type and Timescale

506 records

Records set or tied on 21 April 2025 by type: Highest daily maximum 103, Lowest daily maximum 11, Highest daily minimum 191, Lowest daily minimum 9, Heaviest daily rainfall 192.

Records on 21 April 2025 by type
Record type	Records
Highest daily maximum	103
Lowest daily maximum	11
Highest daily minimum	191
Lowest daily minimum	9
Heaviest daily rainfall	192
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 April 2025 by timescale: all-time 0, monthly 13, daily 493.

How Much Records Were Beaten By

435 broken records

Margins by which the 435 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 67.6. Ties are not counted.

Top 20 by Significance

21 April 2025

Top 20 records on 21 April 2025 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 2025	Barnaul, RU	monthly rain	36.1 mm (1.4 in)	16.9 mm (0.7 in)	53 years	72 of 100 (Major)
21 April 2025	Trempealeau Dam 6, US	daily rain	54.9 mm (2.2 in)	31.5 mm (1.2 in)	88 years	67 of 100 (Major)
21 April 2025	Lake Leake (Kooeeyong), AU	daily rain	35.0 mm (1.4 in)	17.7 mm (0.7 in)	100 years	65 of 100 (Major)
21 April 2025	Mahnomen, US	monthly rain	90.2 mm (3.6 in)	21.6 mm (0.9 in)	68 years	65 of 100 (Major)
21 April 2025	Krestcy, RU	monthly rain	33.0 mm (1.3 in)	9.4 mm (0.37 in)	47 years	55 of 100 (Notable)
21 April 2025	Strasbourg-Entzheim, FR	daily rain	32.2 mm (1.3 in)	16.6 mm (0.7 in)	16 years	53 of 100 (Notable)
21 April 2025	La Crescent Dam 7, US	daily rain	57.4 mm (2.3 in)	24.6 mm (1.0 in)	71 years	52 of 100 (Notable)
21 April 2025	Chippewa Falls, US	daily rain	38.6 mm (1.5 in)	16.2 mm (0.6 in)	74 years	52 of 100 (Notable)
21 April 2025	Logansport, US	daily rain	72.9 mm (2.9 in)	26.2 mm (1.0 in)	98 years	51 of 100 (Notable)
21 April 2025	Allerton, US	daily rain	33.8 mm (1.3 in)	12.2 mm (0.5 in)	116 years	50 of 100 (Notable)
21 April 2025	Manchester #2, US	daily rain	66.3 mm (2.6 in)	32.8 mm (1.3 in)	48 years	50 of 100 (Notable)
21 April 2025	Grinnell 3 SW, US	daily rain	34.0 mm (1.3 in)	8.6 mm (0.34 in)	107 years	47 of 100 (Notable)
21 April 2025	Iowa Falls, US	daily rain	39.4 mm (1.6 in)	7.4 mm (0.29 in)	120 years	47 of 100 (Notable)
21 April 2025	Caledonia, US	daily rain	54.4 mm (2.1 in)	17.6 mm (0.7 in)	71 years	47 of 100 (Notable)
21 April 2025	Black Rvr Falls Sewage, US	daily rain	47.8 mm (1.9 in)	30.5 mm (1.2 in)	24 years	47 of 100 (Notable)
21 April 2025	Medford, US	daily rain	42.2 mm (1.7 in)	6.6 mm (0.26 in)	112 years	47 of 100 (Notable)
21 April 2025	Owen 1E, US	daily rain	46.7 mm (1.8 in)	24.3 mm (1.0 in)	24 years	47 of 100 (Notable)
21 April 2025	New Orleans AP, US	daily rain	111.3 mm (4.4 in)	67.6 mm (2.7 in)	48 years	47 of 100 (Notable)
21 April 2025	Grundy Ctr, US	daily rain	50.8 mm (2.0 in)	18.5 mm (0.7 in)	60 years	46 of 100 (Notable)
21 April 2025	Tastyp, RU	daily rain	31.0 mm (1.2 in)	16.6 mm (0.7 in)	32 years	45 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 2025

Records set or tied on this calendar date in each year from 1793 to 2025. 2025 had 506 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 2025-04-21: 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 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 10	369
10 to 20	49
20 to 30	9
30 to 40	5
40 to 50	2
50 to 60	0
60 to 70	1