Weather Records on 21 April 1920

85 weather records were set or tied worldwide on 21 April 1920. Highest significance: Townsville Pilot Station, AU.

Key Facts for 21 April 1920

On 21 April 1920, 85 weather records were set or tied at long-record stations worldwide.
11 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 78 daily.
Townsville Pilot Station set a monthly record daily precipitation of 241.3 mm (9.5 in) on 21 April 1920.
Across 159 earlier years (1793 to 2026) the same calendar date averaged 465 records.

Record Map

85 stations

85 station records on 21 April 1920 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 April 1920: highest significance records shown on the map
Station	Country	Type	Value	Significance
Townsville Pilot Station	Australia	Record daily precipitation	241.3 mm (9.5 in)	60 of 100 (Major)
Port Douglas - Warner St	Australia	Record daily precipitation	241.3 mm (9.5 in)	51 of 100 (Notable)
Alice Post Office	Australia	Record daily precipitation	99.1 mm (3.9 in)	51 of 100 (Notable)
Maneroo	Australia	Record daily precipitation	60.2 mm (2.4 in)	40 of 100 (Notable)
Halmstad	Sweden	Record daily precipitation	30.4 mm (1.2 in)	40 of 100 (Notable)
Winton Post Office	Australia	Record daily precipitation	33.0 mm (1.3 in)	38 of 100 (Notable)
Bjornholt	Norway	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
Jundah Post Office	Australia	Record daily precipitation	80.3 mm (3.2 in)	35 of 100 (Notable)
Praha-Klementinum	Czech Republic	Record daily precipitation	26.2 mm (1.0 in)	34 of 100 (Routine)
Muttaburra	Australia	Record daily precipitation	109.0 mm (4.3 in)	32 of 100 (Routine)
Glenville	United States	Record daily precipitation	51.3 mm (2.0 in)	32 of 100 (Routine)
Boras	Sweden	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Barrie	Canada	Record daily precipitation	30.7 mm (1.2 in)	27 of 100 (Routine)
Ravenswood Post Office	Australia	Record daily precipitation	41.9 mm (1.6 in)	25 of 100 (Routine)
Pentland Post Office	Australia	Record daily precipitation	66.0 mm (2.6 in)	24 of 100 (Routine)
Tambo Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Rowlesburg 1	United States	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Jacksonville Wb City	United States	Record high minimum temperature	22.8 C (73.0 F)	23 of 100 (Routine)
Cardwell Marine Pde	Australia	Record daily precipitation	73.2 mm (2.9 in)	22 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	27.4 mm (1.1 in)	22 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	31.2 mm (1.2 in)	22 of 100 (Routine)
Hughenden Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	21 of 100 (Routine)
Isisford Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	21 of 100 (Routine)
Lund	Sweden	Record daily precipitation	22.7 mm (0.9 in)	20 of 100 (Routine)
Falsterbo	Sweden	Record daily precipitation	9.2 mm (0.36 in)	20 of 100 (Routine)
Gorlitz	Germany	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Varberg	Sweden	Record daily precipitation	19.5 mm (0.8 in)	20 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Vanersborg	Sweden	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Doberlug-Kirchhain	Germany	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Zagreb-Gric	Croatia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Hohenpeissenberg	Germany	Record daily precipitation	20.5 mm (0.8 in)	20 of 100 (Routine)
Halden	Norway	Record daily precipitation	20.5 mm (0.8 in)	20 of 100 (Routine)
Southampton	Canada	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Koebenhavn - Meteorologisk Ins	Denmark	Record daily precipitation	9.8 mm (0.39 in)	20 of 100 (Routine)
Stratford	Canada	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Skara 1	Sweden	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Lindsay	Canada	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Burdekin Shire Council	Australia	Record daily precipitation	140.0 mm (5.5 in)	20 of 100 (Routine)
Wiarton	Canada	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Ft Bidwell	United States	Record low maximum temperature	7.2 C (45.0 F)	20 of 100 (Routine)
Ayrshire Downs	Australia	Record daily precipitation	23.6 mm (0.9 in)	19 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record daily precipitation	9.0 mm (0.35 in)	18 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Lucknow	Canada	Record daily precipitation	19.6 mm (0.8 in)	17 of 100 (Routine)
St John's	Canada	Record daily precipitation	17.3 mm (0.7 in)	17 of 100 (Routine)
Portland Rfc City	United States	Record low maximum temperature	8.9 C (48.0 F)	17 of 100 (Routine)
Cooktown Post Office	Australia	Record daily precipitation	60.5 mm (2.4 in)	16 of 100 (Routine)
Calgary Int'l A	Canada	Record daily snowfall	1.8 cm (0.7 in)	16 of 100 (Routine)
Innisfail	Australia	Record daily precipitation	114.3 mm (4.5 in)	15 of 100 (Routine)
Blackall Township	Australia	Record daily precipitation	46.5 mm (1.8 in)	15 of 100 (Routine)
Calgary Int'l A	Canada	Record low maximum temperature	4.4 C (39.9 F)	15 of 100 (Routine)
Stromsfoss Sluse	Norway	Record daily precipitation	11.9 mm (0.5 in)	15 of 100 (Routine)
Malung	Sweden	Record daily precipitation	7.0 mm (0.28 in)	15 of 100 (Routine)
Kiev	Ukraine	Record high minimum temperature	14.1 C (57.4 F)	15 of 100 (Routine)
Parry Sound	Canada	Record high minimum temperature	6.7 C (44.1 F)	14 of 100 (Routine)
Brandon Cda	Canada	Record daily snowfall	1.3 cm (0.5 in)	13 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	7.8 C (46.0 F)	13 of 100 (Routine)
Nidingen A	Sweden	Record daily precipitation	11.5 mm (0.5 in)	13 of 100 (Routine)
Maseskar	Sweden	Record daily precipitation	8.3 mm (0.33 in)	13 of 100 (Routine)

Counts by Type and Timescale

85 records

Records set or tied on 21 April 1920 by type: Highest daily maximum 1, Lowest daily maximum 11, Highest daily minimum 10, Lowest daily minimum 2, Heaviest daily rainfall 59, Heaviest daily snowfall 2.

Records on 21 April 1920 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	11
Highest daily minimum	10
Lowest daily minimum	2
Heaviest daily rainfall	59
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 21 April 1920 by timescale: all-time 0, monthly 7, daily 78.

How Much Records Were Beaten By

77 broken records

Margins by which the 77 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.4. Ties are not counted.

Top 20 by Significance

21 April 1920

Top 20 records on 21 April 1920 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 April 1920	Townsville Pilot Station, AU	monthly rain	241.3 mm (9.5 in)	87.1 mm (3.4 in)	26 years	60 of 100 (Major)
21 April 1920	Port Douglas - Warner St, AU	daily rain	241.3 mm (9.5 in)	152.4 mm (6.0 in)	28 years	51 of 100 (Notable)
21 April 1920	Alice Post Office, AU	daily rain	99.1 mm (3.9 in)	80.0 mm (3.1 in)	28 years	51 of 100 (Notable)
21 April 1920	Maneroo, AU	daily rain	60.2 mm (2.4 in)	50.5 mm (2.0 in)	19 years	40 of 100 (Notable)
21 April 1920	Halmstad, SE	monthly rain	30.4 mm (1.2 in)	4.4 mm (0.17 in)	41 years	40 of 100 (Notable)
21 April 1920	Winton Post Office, AU	daily rain	33.0 mm (1.3 in)	25.4 mm (1.0 in)	30 years	38 of 100 (Notable)
21 April 1920	Bjornholt, NO	daily rain	32.0 mm (1.3 in)	20.6 mm (0.8 in)	32 years	37 of 100 (Notable)
21 April 1920	Jundah Post Office, AU	monthly rain	80.3 mm (3.2 in)	21.1 mm (0.8 in)	29 years	35 of 100 (Notable)
21 April 1920	Praha-Klementinum, CZ	daily rain	26.2 mm (1.0 in)	9.1 mm (0.36 in)	18 years	34 of 100 (Routine)
21 April 1920	Muttaburra, AU	monthly rain	109.0 mm (4.3 in)	18.1 mm (0.7 in)	30 years	32 of 100 (Routine)
21 April 1920	Glenville, US	daily rain	51.3 mm (2.0 in)	19.5 mm (0.8 in)	19 years	32 of 100 (Routine)
21 April 1920	Boras, SE	monthly rain	33.0 mm (1.3 in)	4.7 mm (0.19 in)	17 years	28 of 100 (Routine)
21 April 1920	Barrie, CA	daily rain	30.7 mm (1.2 in)	5.3 mm (0.21 in)	48 years	27 of 100 (Routine)
21 April 1920	Ravenswood Post Office, AU	daily rain	41.9 mm (1.6 in)	16.5 mm (0.6 in)	30 years	25 of 100 (Routine)
21 April 1920	Pentland Post Office, AU	monthly rain	66.0 mm (2.6 in)	4.3 mm (0.17 in)	28 years	24 of 100 (Routine)
21 April 1920	Tambo Post Office, AU	daily rain	27.9 mm (1.1 in)	18.8 mm (0.7 in)	30 years	23 of 100 (Routine)
21 April 1920	Rowlesburg 1, US	daily rain	32.0 mm (1.3 in)	9.1 mm (0.36 in)	26 years	23 of 100 (Routine)
21 April 1920	Jacksonville Wb City, US	daily high min	22.8 C (73.0 F)	2.2 C (4.0 F)	45 years	23 of 100 (Routine)
21 April 1920	Cardwell Marine Pde, AU	daily rain	73.2 mm (2.9 in)	47.8 mm (1.9 in)	15 years	22 of 100 (Routine)
21 April 1920	Guelph Oac, CA	daily rain	27.4 mm (1.1 in)	6.1 mm (0.24 in)	26 years	22 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

1793 to 1920

Records set or tied on this calendar date in each year from 1793 to 1920. 1920 had 85 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 1920-04-21: 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	64
20 to 40	8
40 to 60	2
60 to 80	0
80 to 100	2
100 to 120	0
120 to 140	0
140 to 160	1