Weather Records on 1 April 2021

790 weather records were set or tied worldwide on 1 April 2021. Highest significance: Brest-Guipavas, FR.

Key Facts for 1 April 2021

On 1 April 2021, 790 weather records were set or tied at long-record stations worldwide.
523 were record highs and 167 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 779 daily.
Brest-Guipavas set a daily record high maximum temperature of 27.6 C (81.7 F) on 1 April 2021.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 475 records.

Record Map

790 stations

790 station records on 1 April 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 April 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Brest-Guipavas	France	Record high maximum temperature	27.6 C (81.7 F)	51 of 100 (Notable)
Circle Hot Springs	United States	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Kellerberrin	Australia	Record high maximum temperature	39.5 C (103.1 F)	44 of 100 (Notable)
Lyon - St Exupery	France	Record high maximum temperature	24.5 C (76.1 F)	42 of 100 (Notable)
Avon Park 2 W	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Plant City	United States	Record high maximum temperature	33.9 C (93.0 F)	42 of 100 (Notable)
Elkader 6 SSW	United States	Record low minimum temperature	-10.0 C (14.0 F)	41 of 100 (Notable)
Tabou	Cote D'Ivoire	Record daily precipitation	99.1 mm (3.9 in)	40 of 100 (Notable)
Saentis	Switzerland	Record high minimum temperature	0.6 C (33.1 F)	40 of 100 (Notable)
Ajo	United States	Record high maximum temperature	36.7 C (98.1 F)	40 of 100 (Notable)
Atlantic 1 NE	United States	Record low minimum temperature	-10.6 C (12.9 F)	40 of 100 (Notable)
Pelican	United States	Record daily snowfall	18.3 cm (7.2 in)	40 of 100 (Notable)
Asheville	United States	Record low maximum temperature	3.9 C (39.0 F)	40 of 100 (Notable)
Rennes-St Jacques	France	Record high maximum temperature	25.4 C (77.7 F)	39 of 100 (Notable)
Poitiers - Biard	France	Record high maximum temperature	25.1 C (77.2 F)	39 of 100 (Notable)
Guipavas	France	Record high maximum temperature	27.6 C (81.7 F)	39 of 100 (Notable)
Kingsport	United States	Record low maximum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Heraklion	Greece	Record daily precipitation	32.5 mm (1.3 in)	37 of 100 (Notable)
Rome	United States	Record daily precipitation	49.8 mm (2.0 in)	37 of 100 (Notable)
Wallaceton-Lake Drummond	United States	Record daily precipitation	59.4 mm (2.3 in)	37 of 100 (Notable)
University Exp STN	United States	Record daily snowfall	7.4 cm (2.9 in)	37 of 100 (Notable)
Salmon Gums Res.STN.	Australia	Record high maximum temperature	38.4 C (101.1 F)	36 of 100 (Notable)
Vasilevici	Belarus	Record high maximum temperature	20.7 C (69.3 F)	36 of 100 (Notable)
Atmore	United States	Record high maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Mechanicsville 5 NE	United States	Record daily precipitation	39.4 mm (1.6 in)	36 of 100 (Notable)
Ponferrada	Spain	Record high minimum temperature	13.5 C (56.3 F)	35 of 100 (Notable)
Naze	Japan	Record daily precipitation	59.9 mm (2.4 in)	34 of 100 (Routine)
Zuerich/Fluntern	Switzerland	Record high maximum temperature	22.8 C (73.0 F)	34 of 100 (Routine)
Santa Ana Fire STN	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
New Boston Dam 17	United States	Record low maximum temperature	4.4 C (39.9 F)	34 of 100 (Routine)
Bristol AP	United States	Record low maximum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Alencon-Valframbert	France	Record high maximum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Le Bourget	France	Record high maximum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Essaouira	Morocco	Record low minimum temperature	9.6 C (49.3 F)	33 of 100 (Routine)
Cuenca	Spain	Record high minimum temperature	11.2 C (52.2 F)	33 of 100 (Routine)
Zamora	Spain	Record high minimum temperature	12.1 C (53.8 F)	33 of 100 (Routine)
Circle Hot Springs	United States	Record daily snowfall	6.6 cm (2.6 in)	33 of 100 (Routine)
Nightcliff Pool	Australia	Record daily precipitation	27.5 mm (1.1 in)	32 of 100 (Routine)
Gilmore Creek	United States	Record daily snowfall	6.1 cm (2.4 in)	32 of 100 (Routine)
Kalgoorlie-Boulder Airport	Australia	Record high maximum temperature	37.4 C (99.3 F)	31 of 100 (Routine)
Belle Ile - le Talut	France	Record high maximum temperature	23.4 C (74.1 F)	31 of 100 (Routine)
Ellwangen-Rindelbach	Germany	Record high maximum temperature	23.0 C (73.4 F)	31 of 100 (Routine)
Bad Kissingen	Germany	Record high maximum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Prince Hasan	Jordan	Record low minimum temperature	0.5 C (32.9 F)	31 of 100 (Routine)
Woodland	United States	Record high minimum temperature	4.4 C (39.9 F)	31 of 100 (Routine)
Wongan Hills	Australia	Record high maximum temperature	39.7 C (103.5 F)	30 of 100 (Routine)
Midelt	Morocco	Record high minimum temperature	18.1 C (64.6 F)	30 of 100 (Routine)
Childersburg Wtp	United States	Record low maximum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
San Jose	United States	Record high maximum temperature	29.4 C (84.9 F)	30 of 100 (Routine)
Sobolevo	Russia	Record daily precipitation	31.0 mm (1.2 in)	29 of 100 (Routine)
Salamanca Aeropuerto	Spain	Record high minimum temperature	11.3 C (52.3 F)	29 of 100 (Routine)
Sumy	Ukraine	Record high minimum temperature	6.6 C (43.9 F)	29 of 100 (Routine)
Livermore	United States	Record high maximum temperature	31.1 C (88.0 F)	29 of 100 (Routine)
Smithville Lake	United States	Record low minimum temperature	-13.3 C (8.1 F)	29 of 100 (Routine)
Jacksboro	United States	Record low minimum temperature	-1.7 C (28.9 F)	29 of 100 (Routine)
Crestview FAA/AP	United States	Record low maximum temperature	17.8 C (64.0 F)	29 of 100 (Routine)
Shiraz	Iran	Record high maximum temperature	30.4 C (86.7 F)	28 of 100 (Routine)
Dijon-Longvic	France	Record high maximum temperature	24.9 C (76.8 F)	27 of 100 (Routine)
Orly	France	Record high maximum temperature	24.6 C (76.3 F)	27 of 100 (Routine)
Belle Ile - le Talut	France	Record high minimum temperature	13.6 C (56.5 F)	27 of 100 (Routine)

Counts by Type and Timescale

790 records

Records set or tied on 1 April 2021 by type: Highest daily maximum 375, Lowest daily maximum 81, Highest daily minimum 148, Lowest daily minimum 86, Heaviest daily rainfall 82, Heaviest daily snowfall 14, Deepest snow cover 4.

Records on 1 April 2021 by type
Record type	Records
Highest daily maximum	375
Lowest daily maximum	81
Highest daily minimum	148
Lowest daily minimum	86
Heaviest daily rainfall	82
Heaviest daily snowfall	14
Deepest snow cover	4

Records on 1 April 2021 by timescale: all-time 0, monthly 11, daily 779.

How Much Records Were Beaten By

662 broken records

Margins by which the 662 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 112.0. Ties are not counted.

Top 20 by Significance

1 April 2021

Top 20 records on 1 April 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 2021	Brest-Guipavas, FR	daily high max	27.6 C (81.7 F)	7.2 C (13.0 F)	75 years	51 of 100 (Notable)
1 April 2021	Circle Hot Springs, US	monthly rain	33.0 mm (1.3 in)	5.1 mm (0.20 in)	47 years	47 of 100 (Notable)
1 April 2021	Kellerberrin, AU	monthly high max	39.5 C (103.1 F)	0.3 C (0.5 F)	82 years	44 of 100 (Notable)
1 April 2021	Lyon - St Exupery, FR	daily high max	24.5 C (76.1 F)	2.6 C (4.7 F)	91 years	42 of 100 (Notable)
1 April 2021	Avon Park 2 W, US	daily high max	33.9 C (93.0 F)	0.6 C (1.1 F)	124 years	42 of 100 (Notable)
1 April 2021	Plant City, US	daily high max	33.9 C (93.0 F)	0.6 C (1.1 F)	110 years	42 of 100 (Notable)
1 April 2021	Elkader 6 SSW, US	daily low min	-10.0 C (14.0 F)	0.6 C (1.1 F)	121 years	41 of 100 (Notable)
1 April 2021	Tabou, CI	daily rain	99.1 mm (3.9 in)	51.1 mm (2.0 in)	12 years	40 of 100 (Notable)
1 April 2021	Saentis, CH	daily high min	0.6 C (33.1 F)	0.3 C (0.5 F)	104 years	40 of 100 (Notable)
1 April 2021	Ajo, US	daily high max	36.7 C (98.1 F)	2.3 C (4.1 F)	88 years	40 of 100 (Notable)
1 April 2021	Atlantic 1 NE, US	daily low min	-10.6 C (12.9 F)	0.6 C (1.1 F)	96 years	40 of 100 (Notable)
1 April 2021	Pelican, US	daily snowfall	18.3 cm (7.2 in)	11.2 cm (4.4 in)	36 years	40 of 100 (Notable)
1 April 2021	Asheville, US	daily low max	3.9 C (39.0 F)	0.5 C (0.9 F)	102 years	40 of 100 (Notable)
1 April 2021	Rennes-St Jacques, FR	daily high max	25.4 C (77.7 F)	3.8 C (6.8 F)	75 years	39 of 100 (Notable)
1 April 2021	Poitiers - Biard, FR	daily high max	25.1 C (77.2 F)	0.9 C (1.6 F)	91 years	39 of 100 (Notable)
1 April 2021	Guipavas, FR	daily high max	27.6 C (81.7 F)	7.6 C (13.7 F)	44 years	39 of 100 (Notable)
1 April 2021	Kingsport, US	daily low max	5.6 C (42.1 F)	1.6 C (2.9 F)	90 years	39 of 100 (Notable)
1 April 2021	Heraklion, GR	daily rain	32.5 mm (1.3 in)	22.5 mm (0.9 in)	18 years	37 of 100 (Notable)
1 April 2021	Rome, US	daily rain	49.8 mm (2.0 in)	5.9 mm (0.23 in)	83 years	37 of 100 (Notable)
1 April 2021	Wallaceton-Lake Drummond, US	daily rain	59.4 mm (2.3 in)	18.3 mm (0.7 in)	48 years	37 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

1803 to 2021

Records set or tied on this calendar date in each year from 1803 to 2021. 2021 had 790 records.

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

Records on 04-01 in each year
Year	Records
1803	1
1805	1
1808	1
1813	1
1815	3
1819	1
1830	2
1847	2
1848	1
1850	1
1855	3
1856	1
1861	2
1862	2
1865	1
1869	2
1872	1
1873	1
1874	2
1876	1
1878	3
1879	2
1881	1
1885	1
1887	2
1888	2
1889	2
1891	5
1892	1
1893	2
1896	4
1897	5
1898	3
1899	4
1900	4
1901	4
1902	4
1903	12
1904	29
1905	10
1906	7
1907	24
1908	5
1909	13
1910	26
1911	27
1912	31
1913	35
1914	37
1915	25
1916	35
1917	80
1918	51
1919	165
1920	65
1921	46
1922	98
1923	319
1924	257
1925	111
1926	234
1927	326
1928	194
1929	336
1930	153
1931	846
1932	292
1933	188
1934	153
1935	424
1936	1,248
1937	192
1938	461
1939	226
1940	840
1941	285
1942	209
1943	319
1944	266
1945	880
1946	1,172
1947	390
1948	590
1949	308
1950	455
1951	406
1952	419
1953	249
1954	493
1955	288
1956	744
1957	314
1958	535
1959	821
1960	295
1961	496
1962	652
1963	1,123
1964	951
1965	678
1966	689
1967	928
1968	377
1969	611
1970	894
1971	384
1972	510
1973	680
1974	894
1975	1,806
1976	767
1977	524
1978	1,013
1979	738
1980	797
1981	1,115
1982	884
1983	643
1984	662
1985	826
1986	982
1987	1,762
1988	1,259
1989	1,098
1990	952
1991	693
1992	981
1993	783
1994	739
1995	1,056
1996	996
1997	1,255
1998	1,703
1999	1,341
2000	690
2001	575
2002	985
2003	1,366
2004	926
2005	1,086
2006	929
2007	963
2008	1,457
2009	846
2010	1,022
2011	1,105
2012	1,327
2013	719
2014	657
2015	606
2016	842
2017	792
2018	870
2019	674
2020	719
2021	790
2022	853
2023	1,069
2024	788
2025	779
2026	1,042

Download the Data

Data for records on 2021-04-01: 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 20	646
20 to 40	10
40 to 60	3
60 to 80	2
80 to 100	0
100 to 120	1