Weather Records on 9 April 1921

114 weather records were set or tied worldwide on 9 April 1921. Highest significance: Kamferskraal, ZA.

Key Facts for 9 April 1921

On 9 April 1921, 114 weather records were set or tied at long-record stations worldwide.
51 were record highs and 14 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 111 daily.
Kamferskraal set a daily record precipitation of 33.5 mm (1.3 in) on 9 April 1921.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

114 stations

114 station records on 9 April 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 April 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kamferskraal	South Africa	Record daily precipitation	33.5 mm (1.3 in)	52 of 100 (Notable)
Mundarlo (Yabtree)	Australia	Record daily precipitation	43.2 mm (1.7 in)	50 of 100 (Notable)
Portland Rfc City	United States	Record high minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Genoa	Italy	Record daily precipitation	50.7 mm (2.0 in)	27 of 100 (Routine)
Jacobsdal (Pol)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Hopetown (Tnk)	South Africa	Record daily precipitation	27.9 mm (1.1 in)	25 of 100 (Routine)
Brome	Canada	Record high minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Douglas	South Africa	Record daily precipitation	38.6 mm (1.5 in)	23 of 100 (Routine)
Portland	United States	Record high maximum temperature	20.0 C (68.0 F)	23 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	-12.8 C (9.0 F)	22 of 100 (Routine)
Concord	United States	Record high maximum temperature	22.8 C (73.0 F)	22 of 100 (Routine)
Venterstad	South Africa	Record daily precipitation	39.4 mm (1.6 in)	21 of 100 (Routine)
Cape May 2 NW	United States	Record high minimum temperature	11.7 C (53.1 F)	21 of 100 (Routine)
Kendrew Estates	South Africa	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Watford	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Winterhoek	South Africa	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Roodebloem	South Africa	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Athol 1	Australia	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Swift Current	Canada	Record low minimum temperature	-12.2 C (10.0 F)	20 of 100 (Routine)
Quebec	Canada	Record high maximum temperature	16.7 C (62.1 F)	20 of 100 (Routine)
Vineland	United States	Record high minimum temperature	14.4 C (57.9 F)	20 of 100 (Routine)
Blue Hill Coop	United States	Record high minimum temperature	12.8 C (55.0 F)	19 of 100 (Routine)
Concord	United States	Record high minimum temperature	9.4 C (48.9 F)	19 of 100 (Routine)
Hamilton	Canada	Record daily precipitation	19.1 mm (0.8 in)	18 of 100 (Routine)
Chatham	Canada	Record high maximum temperature	15.0 C (59.0 F)	18 of 100 (Routine)
Hanover (Pol)	South Africa	Record daily precipitation	20.8 mm (0.8 in)	18 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	11.1 C (52.0 F)	18 of 100 (Routine)
Tolarno	Australia	Record daily precipitation	23.9 mm (0.9 in)	17 of 100 (Routine)
Paris	Canada	Record high minimum temperature	12.2 C (54.0 F)	17 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Seymour (Mag)	South Africa	Record daily precipitation	17.8 mm (0.7 in)	17 of 100 (Routine)
Griquatown (Tnk)	South Africa	Record daily precipitation	17.8 mm (0.7 in)	17 of 100 (Routine)
Moorestown 4 E	United States	Record high minimum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Somerville 4 NW	United States	Record high minimum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Lucknow	Canada	Record daily precipitation	14.0 mm (0.6 in)	16 of 100 (Routine)
Walsingham 1	South Africa	Record daily precipitation	23.4 mm (0.9 in)	16 of 100 (Routine)
Ellesmere	South Africa	Record daily precipitation	29.7 mm (1.2 in)	16 of 100 (Routine)
Aliwal North	South Africa	Record daily precipitation	46.5 mm (1.8 in)	16 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high maximum temperature	13.0 C (55.4 F)	16 of 100 (Routine)
Lake Cochituate	United States	Record high minimum temperature	11.7 C (53.1 F)	16 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	20.6 C (69.1 F)	16 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	10.6 C (51.1 F)	16 of 100 (Routine)
Swift Current	Canada	Record low maximum temperature	-2.2 C (28.0 F)	15 of 100 (Routine)
North Bruce	Canada	Record daily precipitation	7.6 mm (0.30 in)	15 of 100 (Routine)
Fredericton Unb	Canada	Record high minimum temperature	5.6 C (42.1 F)	15 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record daily precipitation	11.6 mm (0.5 in)	15 of 100 (Routine)
Jansenville	South Africa	Record daily precipitation	14.0 mm (0.6 in)	15 of 100 (Routine)
Karesuando	Sweden	Record high maximum temperature	7.0 C (44.6 F)	15 of 100 (Routine)
Madison Wb City	United States	Record daily snowfall	3.8 cm (1.5 in)	15 of 100 (Routine)
Bowral Post Office	Australia	Record daily precipitation	7.9 mm (0.31 in)	14 of 100 (Routine)
Yarrawonga Post Office	Australia	Record daily precipitation	14.0 mm (0.6 in)	14 of 100 (Routine)
Butchers Ridge Post Office	Australia	Record daily precipitation	29.7 mm (1.2 in)	14 of 100 (Routine)
Renfrew	Canada	Record high minimum temperature	7.2 C (45.0 F)	14 of 100 (Routine)
Hambantota	Sri Lanka	Record high minimum temperature	26.2 C (79.2 F)	14 of 100 (Routine)
Matjiesfontein (Sar)	South Africa	Record daily precipitation	3.6 mm (0.14 in)	14 of 100 (Routine)
Plymouth	United States	Record high maximum temperature	21.1 C (70.0 F)	14 of 100 (Routine)
Plymouth	United States	Record high minimum temperature	7.2 C (45.0 F)	14 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	21.1 C (70.0 F)	14 of 100 (Routine)
Burlington	United States	Record high maximum temperature	20.0 C (68.0 F)	14 of 100 (Routine)
Emmaville Post Office	Australia	Record daily precipitation	9.7 mm (0.38 in)	13 of 100 (Routine)

Counts by Type and Timescale

114 records

Records set or tied on 9 April 1921 by type: Highest daily maximum 25, Lowest daily maximum 9, Highest daily minimum 26, Lowest daily minimum 5, Heaviest daily rainfall 48, Heaviest daily snowfall 1.

Records on 9 April 1921 by type
Record type	Records
Highest daily maximum	25
Lowest daily maximum	9
Highest daily minimum	26
Lowest daily minimum	5
Heaviest daily rainfall	48
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 9 April 1921 by timescale: all-time 0, monthly 3, daily 111.

How Much Records Were Beaten By

93 broken records

Margins by which the 93 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 34.6. Ties are not counted.

Top 20 by Significance

9 April 1921

Top 20 records on 9 April 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 April 1921	Kamferskraal, ZA	daily rain	33.5 mm (1.3 in)	31.5 mm (1.2 in)	30 years	52 of 100 (Notable)
9 April 1921	Mundarlo (Yabtree), AU	daily rain	43.2 mm (1.7 in)	34.6 mm (1.4 in)	21 years	50 of 100 (Notable)
9 April 1921	Portland Rfc City, US	daily high min	13.9 C (57.0 F)	3.9 C (7.0 F)	36 years	29 of 100 (Routine)
9 April 1921	Genoa, IT	daily rain	50.7 mm (2.0 in)	4.5 mm (0.18 in)	54 years	27 of 100 (Routine)
9 April 1921	Jacobsdal (Pol), ZA	daily rain	33.0 mm (1.3 in)	16.2 mm (0.6 in)	21 years	27 of 100 (Routine)
9 April 1921	Hopetown (Tnk), ZA	daily rain	27.9 mm (1.1 in)	9.6 mm (0.38 in)	30 years	25 of 100 (Routine)
9 April 1921	Brome, CA	monthly high min	15.0 C (59.0 F)	1.1 C (2.0 F)	29 years	23 of 100 (Routine)
9 April 1921	Douglas, ZA	daily rain	38.6 mm (1.5 in)	10.2 mm (0.4 in)	30 years	23 of 100 (Routine)
9 April 1921	Portland, US	daily high max	20.0 C (68.0 F)	3.9 C (7.0 F)	39 years	23 of 100 (Routine)
9 April 1921	Medicine Hat A, CA	daily low min	-12.8 C (9.0 F)	5.6 C (10.1 F)	27 years	22 of 100 (Routine)
9 April 1921	Concord, US	daily high max	22.8 C (73.0 F)	1.7 C (3.1 F)	50 years	22 of 100 (Routine)
9 April 1921	Venterstad, ZA	monthly rain	39.4 mm (1.6 in)	1.3 mm (0.05 in)	26 years	21 of 100 (Routine)
9 April 1921	Cape May 2 NW, US	daily high min	11.7 C (53.1 F)	1.7 C (3.1 F)	42 years	21 of 100 (Routine)
9 April 1921	Kendrew Estates, ZA	daily rain	21.8 mm (0.9 in)	17.7 mm (0.7 in)	12 years	20 of 100 (Routine)
9 April 1921	Watford, CA	daily rain	22.9 mm (0.9 in)	11.5 mm (0.5 in)	30 years	20 of 100 (Routine)
9 April 1921	Winterhoek, ZA	daily rain	21.6 mm (0.9 in)	13.5 mm (0.5 in)	16 years	20 of 100 (Routine)
9 April 1921	Roodebloem, ZA	daily rain	18.3 mm (0.7 in)	9.9 mm (0.39 in)	12 years	20 of 100 (Routine)
9 April 1921	Athol 1, AU	daily rain	15.5 mm (0.6 in)	7.9 mm (0.31 in)	34 years	20 of 100 (Routine)
9 April 1921	Swift Current, CA	daily low min	-12.2 C (10.0 F)	5.5 C (9.9 F)	22 years	20 of 100 (Routine)
9 April 1921	Quebec, CA	daily high max	16.7 C (62.1 F)	5.6 C (10.1 F)	22 years	20 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 1921

Records set or tied on this calendar date in each year from 1793 to 1921. 1921 had 114 records.

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

Records on 04-09 in each year
Year	Records
1793	2
1798	1
1800	1
1805	1
1809	2
1812	2
1815	1
1818	1
1839	1
1842	2
1844	1
1846	1
1847	1
1849	1
1854	1
1856	1
1859	1
1862	1
1863	1
1864	1
1865	2
1866	2
1869	1
1871	2
1873	1
1877	1
1883	1
1884	1
1885	3
1886	1
1887	1
1888	3
1889	1
1890	7
1892	1
1893	1
1894	2
1895	4
1896	1
1897	3
1898	3
1899	9
1900	3
1901	8
1902	8
1903	12
1904	15
1905	21
1906	20
1907	21
1908	28
1909	25
1910	19
1911	21
1912	51
1913	16
1914	41
1915	89
1916	85
1917	105
1918	29
1919	67
1920	56
1921	114
1922	140
1923	79
1924	353
1925	129
1926	83
1927	260
1928	395
1929	402
1930	430
1931	193
1932	119
1933	320
1934	310
1935	398
1936	151
1937	172
1938	378
1939	282
1940	214
1941	297
1942	432
1943	752
1944	564
1945	1,055
1946	335
1947	174
1948	365
1949	179
1950	750
1951	304
1952	578
1953	638
1954	239
1955	484
1956	371
1957	502
1958	294
1959	634
1960	623
1961	879
1962	344
1963	390
1964	645
1965	651
1966	466
1967	743
1968	669
1969	898
1970	489
1971	576
1972	1,200
1973	1,695
1974	972
1975	968
1976	347
1977	1,693
1978	921
1979	855
1980	911
1981	785
1982	1,923
1983	1,170
1984	904
1985	1,424
1986	620
1987	604
1988	737
1989	1,402
1990	888
1991	1,545
1992	641
1993	687
1994	511
1995	1,296
1996	1,547
1997	2,686
1998	1,018
1999	1,848
2000	997
2001	1,947
2002	590
2003	1,781
2004	572
2005	998
2006	603
2007	1,412
2008	1,029
2009	802
2010	652
2011	1,480
2012	640
2013	1,245
2014	592
2015	664
2016	974
2017	759
2018	1,306
2019	716
2020	916
2021	642
2022	574
2023	512
2024	1,093
2025	530
2026	517

Download the Data

Data for records on 1921-04-09: 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	67
5 to 10	18
10 to 15	3
15 to 20	2
20 to 25	0
25 to 30	1
30 to 35	2