Weather Records on 23 April 1921

81 weather records were set or tied worldwide on 23 April 1921. Highest significance: State College, US.

Key Facts for 23 April 1921

On 23 April 1921, 81 weather records were set or tied at long-record stations worldwide.
14 were record highs and 11 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 79 daily.
State College set a daily record precipitation of 34.3 mm (1.4 in) on 23 April 1921.
Across 167 earlier years (1800 to 2026) the same calendar date averaged 447 records.

Record Map

81 stations

81 station records on 23 April 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 April 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
State College	United States	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
Reading Wb City	United States	Record daily precipitation	56.4 mm (2.2 in)	41 of 100 (Notable)
Alton	Canada	Record daily precipitation	48.8 mm (1.9 in)	36 of 100 (Notable)
Tampa	United States	Record daily precipitation	49.8 mm (2.0 in)	33 of 100 (Routine)
Harrisburg - Coop	United States	Record daily precipitation	48.5 mm (1.9 in)	32 of 100 (Routine)
Renfrew	Canada	Record daily precipitation	26.7 mm (1.1 in)	27 of 100 (Routine)
Somerville 4 NW	United States	Record daily precipitation	26.4 mm (1.0 in)	22 of 100 (Routine)
Wittstock-Rote Muhle	Germany	Record daily precipitation	18.1 mm (0.7 in)	20 of 100 (Routine)
Parry Sound	Canada	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Schwerin	Germany	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
Battleford	Canada	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Beatrice	Canada	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Braunschweig (T.H.)	Germany	Record daily precipitation	19.5 mm (0.8 in)	20 of 100 (Routine)
Soltau	Germany	Record daily precipitation	15.1 mm (0.6 in)	20 of 100 (Routine)
Astoria	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Teterow	Germany	Record daily precipitation	10.8 mm (0.4 in)	20 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record daily precipitation	11.2 mm (0.4 in)	20 of 100 (Routine)
White River	Canada	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Jakutsk	Russia	Record daily precipitation	3.3 mm (0.13 in)	20 of 100 (Routine)
Nurnberg	Germany	Record daily precipitation	5.2 mm (0.20 in)	19 of 100 (Routine)
Setauket Strong	United States	Record daily precipitation	20.3 mm (0.8 in)	17 of 100 (Routine)
Kirchdorf/Poel	Germany	Record daily precipitation	13.1 mm (0.5 in)	16 of 100 (Routine)
Waren	Germany	Record daily precipitation	11.9 mm (0.5 in)	16 of 100 (Routine)
Harpers Ferry River	United States	Record daily precipitation	27.9 mm (1.1 in)	16 of 100 (Routine)
Belle Isle	Canada	Record low maximum temperature	-5.0 C (23.0 F)	15 of 100 (Routine)
Pirie (Bos)	South Africa	Record daily precipitation	24.1 mm (0.9 in)	15 of 100 (Routine)
Tylden "Tulden"	South Africa	Record daily precipitation	3.8 mm (0.15 in)	15 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	21.3 mm (0.8 in)	15 of 100 (Routine)
Biskra	Algeria	Record low maximum temperature	19.0 C (66.2 F)	14 of 100 (Routine)
Washington	United States	Record daily precipitation	35.1 mm (1.4 in)	14 of 100 (Routine)
Enoggera Reservoir	Australia	Record daily precipitation	8.6 mm (0.34 in)	13 of 100 (Routine)
Coldwater	Canada	Record daily precipitation	7.9 mm (0.31 in)	13 of 100 (Routine)
St. Petersburg	Russia	Record high maximum temperature	22.1 C (71.8 F)	13 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record daily precipitation	19.3 mm (0.8 in)	13 of 100 (Routine)
Camden 3 W	United States	Record daily precipitation	15.2 mm (0.6 in)	13 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	12.2 C (54.0 F)	13 of 100 (Routine)
Kingston Queens U	Canada	Record daily precipitation	8.9 mm (0.35 in)	12 of 100 (Routine)
Altentreptow	Germany	Record daily precipitation	6.6 mm (0.26 in)	12 of 100 (Routine)
Weimar	Germany	Record daily precipitation	8.9 mm (0.35 in)	12 of 100 (Routine)
Somerset East	South Africa	Record daily precipitation	22.9 mm (0.9 in)	12 of 100 (Routine)
Venterstad	South Africa	Record daily precipitation	16.3 mm (0.6 in)	12 of 100 (Routine)
Concord	United States	Record daily precipitation	23.6 mm (0.9 in)	12 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-10.0 C (14.0 F)	11 of 100 (Routine)
London South	Canada	Record daily precipitation	21.3 mm (0.8 in)	11 of 100 (Routine)
Arhangelsk	Russia	Record high minimum temperature	4.9 C (40.8 F)	11 of 100 (Routine)
Herschel	South Africa	Record daily precipitation	16.3 mm (0.6 in)	11 of 100 (Routine)
Olympia Priest Pt Park	United States	Record daily precipitation	16.8 mm (0.7 in)	11 of 100 (Routine)
Husum	Germany	Record daily precipitation	7.0 mm (0.28 in)	10 of 100 (Routine)
Plauen	Germany	Record daily precipitation	13.3 mm (0.5 in)	10 of 100 (Routine)
St. Petersburg	Russia	Record high minimum temperature	6.7 C (44.1 F)	10 of 100 (Routine)
Matjiesfontein (Sar)	South Africa	Record daily precipitation	5.8 mm (0.23 in)	10 of 100 (Routine)
Dohne (Sar)	South Africa	Record daily precipitation	20.8 mm (0.8 in)	10 of 100 (Routine)
Moorestown 4 E	United States	Record high minimum temperature	14.4 C (57.9 F)	10 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record high maximum temperature	31.7 C (89.1 F)	10 of 100 (Routine)
Stratford	Canada	Record daily precipitation	20.8 mm (0.8 in)	9 of 100 (Routine)
Balfour (Pol)	South Africa	Record daily precipitation	24.4 mm (1.0 in)	9 of 100 (Routine)
Kiev	Ukraine	Record high minimum temperature	13.1 C (55.6 F)	9 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record daily precipitation	7.8 mm (0.31 in)	8 of 100 (Routine)
Syktyvkar	Russia	Record high minimum temperature	7.2 C (45.0 F)	8 of 100 (Routine)
Uman	Ukraine	Record high minimum temperature	10.5 C (50.9 F)	8 of 100 (Routine)

Counts by Type and Timescale

81 records

Records set or tied on 23 April 1921 by type: Highest daily maximum 4, Lowest daily maximum 5, Highest daily minimum 10, Lowest daily minimum 6, Heaviest daily rainfall 56.

Records on 23 April 1921 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	5
Highest daily minimum	10
Lowest daily minimum	6
Heaviest daily rainfall	56
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 April 1921 by timescale: all-time 0, monthly 2, daily 79.

How Much Records Were Beaten By

72 broken records

Margins by which the 72 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 35.3. Ties are not counted.

Top 20 by Significance

23 April 1921

Top 20 records on 23 April 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 April 1921	State College, US	daily rain	34.3 mm (1.4 in)	21.9 mm (0.9 in)	37 years	41 of 100 (Notable)
23 April 1921	Reading Wb City, US	daily rain	56.4 mm (2.2 in)	35.3 mm (1.4 in)	14 years	41 of 100 (Notable)
23 April 1921	Alton, CA	monthly rain	48.8 mm (1.9 in)	10.7 mm (0.4 in)	28 years	36 of 100 (Notable)
23 April 1921	Tampa, US	daily rain	49.8 mm (2.0 in)	35.3 mm (1.4 in)	11 years	33 of 100 (Routine)
23 April 1921	Harrisburg - Coop, US	monthly rain	48.5 mm (1.9 in)	11.7 mm (0.5 in)	10 years	32 of 100 (Routine)
23 April 1921	Renfrew, CA	daily rain	26.7 mm (1.1 in)	13.2 mm (0.5 in)	0 years	27 of 100 (Routine)
23 April 1921	Somerville 4 NW, US	daily rain	26.4 mm (1.0 in)	16.2 mm (0.6 in)	12 years	22 of 100 (Routine)
23 April 1921	Wittstock-Rote Muhle, DE	daily rain	18.1 mm (0.7 in)	11.1 mm (0.4 in)	25 years	20 of 100 (Routine)
23 April 1921	Parry Sound, CA	daily rain	21.1 mm (0.8 in)	12.5 mm (0.5 in)	33 years	20 of 100 (Routine)
23 April 1921	Schwerin, DE	daily rain	12.4 mm (0.5 in)	7.9 mm (0.31 in)	25 years	20 of 100 (Routine)
23 April 1921	Battleford, CA	daily rain	12.2 mm (0.5 in)	5.8 mm (0.23 in)	18 years	20 of 100 (Routine)
23 April 1921	Beatrice, CA	daily rain	24.9 mm (1.0 in)	16.3 mm (0.6 in)	22 years	20 of 100 (Routine)
23 April 1921	Braunschweig (T.H.), DE	daily rain	19.5 mm (0.8 in)	11.2 mm (0.4 in)	6 years	20 of 100 (Routine)
23 April 1921	Soltau, DE	daily rain	15.1 mm (0.6 in)	7.8 mm (0.31 in)	12 years	20 of 100 (Routine)
23 April 1921	Astoria, US	daily rain	24.1 mm (0.9 in)	14.4 mm (0.6 in)	28 years	20 of 100 (Routine)
23 April 1921	Teterow, DE	daily rain	10.8 mm (0.4 in)	6.1 mm (0.24 in)	12 years	20 of 100 (Routine)
23 April 1921	Heinersreuth-Vollhof, DE	daily rain	11.2 mm (0.4 in)	4.6 mm (0.18 in)	16 years	20 of 100 (Routine)
23 April 1921	White River, CA	daily rain	11.9 mm (0.5 in)	4.8 mm (0.19 in)	31 years	20 of 100 (Routine)
23 April 1921	Jakutsk, RU	daily rain	3.3 mm (0.13 in)	1.8 mm (0.07 in)	29 years	20 of 100 (Routine)
23 April 1921	Nurnberg, DE	daily rain	5.2 mm (0.20 in)	2.4 mm (0.09 in)	30 years	19 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

1800 to 1921

Records set or tied on this calendar date in each year from 1800 to 1921. 1921 had 81 records.

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

Records on 04-23 in each year
Year	Records
1800	1
1809	1
1812	1
1817	3
1838	1
1840	1
1842	1
1851	1
1852	2
1854	1
1855	5
1857	2
1859	1
1861	1
1865	1
1868	2
1870	1
1872	1
1873	4
1874	4
1875	1
1877	1
1878	1
1879	1
1881	2
1882	1
1883	2
1884	3
1885	4
1886	4
1888	1
1889	1
1890	4
1891	2
1892	1
1893	2
1895	3
1896	4
1897	2
1898	1
1899	6
1900	4
1901	9
1902	12
1903	20
1904	8
1905	7
1906	23
1907	12
1908	14
1909	28
1910	35
1911	21
1912	29
1913	40
1914	71
1915	41
1916	35
1917	37
1918	92
1919	66
1920	75
1921	81
1922	45
1923	132
1924	111
1925	506
1926	124
1927	562
1928	302
1929	103
1930	487
1931	506
1932	231
1933	361
1934	272
1935	152
1936	342
1937	321
1938	177
1939	339
1940	319
1941	277
1942	473
1943	819
1944	678
1945	364
1946	649
1947	242
1948	401
1949	401
1950	577
1951	426
1952	500
1953	300
1954	548
1955	654
1956	581
1957	623
1958	649
1959	442
1960	1,648
1961	884
1962	389
1963	801
1964	958
1965	660
1966	386
1967	1,183
1968	816
1969	705
1970	1,209
1971	508
1972	332
1973	518
1974	486
1975	411
1976	386
1977	979
1978	523
1979	554
1980	1,460
1981	1,124
1982	1,191
1983	1,031
1984	971
1985	1,011
1986	1,541
1987	676
1988	1,051
1989	1,469
1990	1,077
1991	638
1992	592
1993	1,256
1994	666
1995	1,464
1996	1,520
1997	1,024
1998	1,446
1999	1,198
2000	1,003
2001	1,435
2002	971
2003	557
2004	610
2005	940
2006	839
2007	847
2008	775
2009	920
2010	1,040
2011	1,190
2012	1,796
2013	1,655
2014	362
2015	511
2016	542
2017	474
2018	684
2019	668
2020	564
2021	562
2022	692
2023	980
2024	583
2025	410
2026	503

Download the Data

Data for records on 1921-04-23: 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 5	49
5 to 10	8
10 to 15	9
15 to 20	3
20 to 25	1
25 to 30	0
30 to 35	0
35 to 40	2