Weather Records on 1 April 1921

46 weather records were set or tied worldwide on 1 April 1921. Highest significance: Point Escuminac, CA.

Key Facts for 1 April 1921

On 1 April 1921, 46 weather records were set or tied at long-record stations worldwide.
21 were record highs and 2 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 46 daily.
Point Escuminac set a daily record precipitation of 26.4 mm (1.0 in) on 1 April 1921.
Across 160 earlier years (1803 to 2026) the same calendar date averaged 480 records.

Record Map

46 stations

46 station records on 1 April 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 April 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Point Escuminac	Canada	Record daily precipitation	26.4 mm (1.0 in)	25 of 100 (Routine)
Sable Island	Canada	Record daily precipitation	39.4 mm (1.6 in)	25 of 100 (Routine)
Saint John	Canada	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Syktyvkar	Russia	Record daily precipitation	6.3 mm (0.25 in)	20 of 100 (Routine)
Port Campbell Post Office	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Murphy 4ESE	United States	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Galway	Ireland	Record high maximum temperature	16.7 C (62.1 F)	19 of 100 (Routine)
Gardiner	United States	Record daily precipitation	19.6 mm (0.8 in)	16 of 100 (Routine)
Philadelphia City	United States	Record daily precipitation	12.7 mm (0.5 in)	16 of 100 (Routine)
Wien	Austria	Record high minimum temperature	8.8 C (47.8 F)	15 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record daily precipitation	10.0 mm (0.4 in)	15 of 100 (Routine)
Tunis	Tunisia	Record high minimum temperature	15.0 C (59.0 F)	15 of 100 (Routine)
Greensboro Lock 7	United States	Record daily precipitation	13.7 mm (0.5 in)	15 of 100 (Routine)
Lock #4	United States	Record daily precipitation	14.5 mm (0.6 in)	15 of 100 (Routine)
Rockhampton Post Office	Australia	Record daily precipitation	3.6 mm (0.14 in)	14 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high maximum temperature	13.9 C (57.0 F)	14 of 100 (Routine)
Hanover	United States	Record daily precipitation	14.2 mm (0.6 in)	14 of 100 (Routine)
Charlottetown	Canada	Record daily precipitation	16.8 mm (0.7 in)	13 of 100 (Routine)
Durham	United Kingdom	Record high minimum temperature	8.3 C (46.9 F)	13 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	18.0 mm (0.7 in)	13 of 100 (Routine)
Glenville	United States	Record daily precipitation	19.1 mm (0.8 in)	12 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	11.9 mm (0.5 in)	11 of 100 (Routine)
Burrawang South Station	Australia	Record daily precipitation	1.3 mm (0.05 in)	10 of 100 (Routine)
Coleraine (Tulse Hill)	Australia	Record daily precipitation	3.0 mm (0.12 in)	10 of 100 (Routine)
Zametchino	Russia	Record high minimum temperature	2.0 C (35.6 F)	10 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record high minimum temperature	2.1 C (35.8 F)	10 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	5.5 C (41.9 F)	10 of 100 (Routine)
Amcor - Petrie Mill	Australia	Record daily precipitation	14.0 mm (0.6 in)	9 of 100 (Routine)
Bridgeton 1 NE	United States	Record daily precipitation	20.3 mm (0.8 in)	9 of 100 (Routine)
Tranebjerg	Denmark	Record high minimum temperature	6.0 C (42.8 F)	8 of 100 (Routine)
Wrixum/Fohr	Germany	Record high minimum temperature	7.5 C (45.5 F)	8 of 100 (Routine)
Gavle	Sweden	Record high minimum temperature	1.5 C (34.7 F)	8 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	5.8 C (42.4 F)	7 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	19.4 C (66.9 F)	7 of 100 (Routine)
Nordby (Fano)	Denmark	Record high minimum temperature	6.6 C (43.9 F)	6 of 100 (Routine)
State College	United States	Record daily snowfall	2.5 cm (1.0 in)	6 of 100 (Routine)
Husum	Germany	Record high minimum temperature	7.4 C (45.3 F)	5 of 100 (Routine)
Boras	Sweden	Record high minimum temperature	3.0 C (37.4 F)	5 of 100 (Routine)
Pacific Heights	Australia	Record daily precipitation	18.5 mm (0.7 in)	4 of 100 (Routine)
Camden 1	United States	Record low minimum temperature	1.1 C (34.0 F)	2 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	5.7 C (42.3 F)	1 of 100 (Routine)
Halmstad	Sweden	Record high minimum temperature	5.0 C (41.0 F)	1 of 100 (Routine)
Jonkoping	Sweden	Record high minimum temperature	3.5 C (38.3 F)	1 of 100 (Routine)
Stornoway Airport	United Kingdom	Record high minimum temperature	8.9 C (48.0 F)	1 of 100 (Routine)
Prescott 2 NNW	United States	Record low minimum temperature	0.6 C (33.1 F)	1 of 100 (Routine)
Franklin	United States	Record high maximum temperature	27.8 C (82.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

46 records

Records set or tied on 1 April 1921 by type: Highest daily maximum 4, Highest daily minimum 17, Lowest daily minimum 2, Heaviest daily rainfall 22, Heaviest daily snowfall 1.

Records on 1 April 1921 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	0
Highest daily minimum	17
Lowest daily minimum	2
Heaviest daily rainfall	22
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 1 April 1921 by timescale: all-time 0, monthly 0, daily 46.

How Much Records Were Beaten By

39 broken records

Margins by which the 39 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 17.3. Ties are not counted.

Top 20 by Significance

1 April 1921

Top 20 records on 1 April 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 April 1921	Point Escuminac, CA	daily rain	26.4 mm (1.0 in)	11.9 mm (0.5 in)	19 years	25 of 100 (Routine)
1 April 1921	Sable Island, CA	daily rain	39.4 mm (1.6 in)	17.3 mm (0.7 in)	12 years	25 of 100 (Routine)
1 April 1921	Saint John, CA	daily rain	21.3 mm (0.8 in)	5.6 mm (0.22 in)	48 years	20 of 100 (Routine)
1 April 1921	Syktyvkar, RU	daily rain	6.3 mm (0.25 in)	3.5 mm (0.14 in)	23 years	20 of 100 (Routine)
1 April 1921	Port Campbell Post Office, AU	daily rain	11.7 mm (0.5 in)	5.3 mm (0.21 in)	33 years	20 of 100 (Routine)
1 April 1921	Murphy 4ESE, US	daily rain	22.1 mm (0.9 in)	1.8 mm (0.07 in)	47 years	20 of 100 (Routine)
1 April 1921	Galway, IE	daily high max	16.7 C (62.1 F)	1.1 C (2.0 F)	30 years	19 of 100 (Routine)
1 April 1921	Gardiner, US	daily rain	19.6 mm (0.8 in)	8.7 mm (0.34 in)	16 years	16 of 100 (Routine)
1 April 1921	Philadelphia City, US	daily rain	12.7 mm (0.5 in)	2.0 mm (0.08 in)	31 years	16 of 100 (Routine)
1 April 1921	Wien, AT	daily high min	8.8 C (47.8 F)	0.8 C (1.4 F)	23 years	15 of 100 (Routine)
1 April 1921	Bogoroditskoye-Fenino, RU	daily rain	10.0 mm (0.4 in)	2.8 mm (0.11 in)	22 years	15 of 100 (Routine)
1 April 1921	Tunis, TN	daily high min	15.0 C (59.0 F)	2.0 C (3.6 F)	19 years	15 of 100 (Routine)
1 April 1921	Greensboro Lock 7, US	daily rain	13.7 mm (0.5 in)	3.5 mm (0.14 in)	29 years	15 of 100 (Routine)
1 April 1921	Lock #4, US	daily rain	14.5 mm (0.6 in)	5.6 mm (0.22 in)	16 years	15 of 100 (Routine)
1 April 1921	Rockhampton Post Office, AU	daily rain	3.6 mm (0.14 in)	1.3 mm (0.05 in)	30 years	14 of 100 (Routine)
1 April 1921	Stornoway Airport, GB	daily high max	13.9 C (57.0 F)	0.6 C (1.1 F)	28 years	14 of 100 (Routine)
1 April 1921	Hanover, US	daily rain	14.2 mm (0.6 in)	2.0 mm (0.08 in)	31 years	14 of 100 (Routine)
1 April 1921	Charlottetown, CA	daily rain	16.8 mm (0.7 in)	3.8 mm (0.15 in)	11 years	13 of 100 (Routine)
1 April 1921	Durham, GB	daily high min	8.3 C (46.9 F)	1.1 C (2.0 F)	21 years	13 of 100 (Routine)
1 April 1921	Atlantic City Marina, US	daily rain	18.0 mm (0.7 in)	0.7 mm (0.03 in)	31 years	13 of 100 (Routine)

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 1921

Records set or tied on this calendar date in each year from 1803 to 1921. 1921 had 46 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 1921-04-01: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 3	25
3 to 5	5
5 to 8	4
8 to 10	2
10 to 13	1
13 to 15	0
15 to 18	2