Weather Records on 30 April 1911

19 weather records were set or tied worldwide on 30 April 1911. Highest significance: Karesuando, SE.

Key Facts for 30 April 1911

On 30 April 1911, 19 weather records were set or tied at long-record stations worldwide.
5 were record highs and 0 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 18 daily.
Karesuando set a daily record precipitation of 8.2 mm (0.32 in) on 30 April 1911.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 449 records.

Record Map

19 stations

19 station records on 30 April 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 April 1911: highest significance records shown on the map
Station	Country	Type	Value	Significance
Karesuando	Sweden	Record daily precipitation	8.2 mm (0.32 in)	20 of 100 (Routine)
Falun	Sweden	Record daily precipitation	6.3 mm (0.25 in)	19 of 100 (Routine)
Lakefield	Canada	Record high minimum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record high minimum temperature	17.0 C (62.6 F)	17 of 100 (Routine)
Graaff Reinet	South Africa	Record daily precipitation	7.1 mm (0.28 in)	17 of 100 (Routine)
Richmond C/K (Tnk)	South Africa	Record daily precipitation	10.7 mm (0.4 in)	15 of 100 (Routine)
Cathcart	South Africa	Record daily precipitation	10.7 mm (0.4 in)	14 of 100 (Routine)
Aberdeen (Tnk)	South Africa	Record daily precipitation	4.6 mm (0.18 in)	13 of 100 (Routine)
Fraserburg	South Africa	Record daily precipitation	1.5 mm (0.06 in)	12 of 100 (Routine)
Jamestown	South Africa	Record daily precipitation	25.4 mm (1.0 in)	12 of 100 (Routine)
Chattanooga Wb City	United States	Record high minimum temperature	19.4 C (66.9 F)	11 of 100 (Routine)
Kirov	Russia	Record daily precipitation	2.8 mm (0.11 in)	10 of 100 (Routine)
Wellwood	South Africa	Record daily precipitation	10.9 mm (0.4 in)	10 of 100 (Routine)
Beaufort West (Met)	South Africa	Record daily precipitation	8.6 mm (0.34 in)	9 of 100 (Routine)
Bacchus Marsh	Australia	Record daily precipitation	3.0 mm (0.12 in)	8 of 100 (Routine)
Cradock	South Africa	Record daily precipitation	7.9 mm (0.31 in)	8 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	12.2 C (54.0 F)	7 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	12.2 C (54.0 F)	1 of 100 (Routine)
Koffiefontein (Pol)	South Africa	Record daily precipitation	4.8 mm (0.19 in)	1 of 100 (Routine)

Counts by Type and Timescale

19 records

Records set or tied on 30 April 1911 by type: Highest daily minimum 5, Heaviest daily rainfall 14.

Records on 30 April 1911 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	0
Highest daily minimum	5
Lowest daily minimum	0
Heaviest daily rainfall	14
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 April 1911 by timescale: all-time 0, monthly 1, daily 18.

How Much Records Were Beaten By

17 broken records

Margins by which the 17 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.4. Ties are not counted.

Top 20 by Significance

30 April 1911

Top 19 records on 30 April 1911 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 April 1911	Karesuando, SE	daily rain	8.2 mm (0.32 in)	5.7 mm (0.22 in)	18 years	20 of 100 (Routine)
30 April 1911	Falun, SE	daily rain	6.3 mm (0.25 in)	1.0 mm (0.04 in)	42 years	19 of 100 (Routine)
30 April 1911	Lakefield, CA	monthly high min	13.9 C (57.0 F)	0.6 C (1.1 F)	14 years	18 of 100 (Routine)
30 April 1911	Oran-Hopital Militaire, DZ	daily high min	17.0 C (62.6 F)	1.0 C (1.8 F)	23 years	17 of 100 (Routine)
30 April 1911	Graaff Reinet, ZA	daily rain	7.1 mm (0.28 in)	5.8 mm (0.23 in)	17 years	17 of 100 (Routine)
30 April 1911	Richmond C/K (Tnk), ZA	daily rain	10.7 mm (0.4 in)	8.4 mm (0.33 in)	12 years	15 of 100 (Routine)
30 April 1911	Cathcart, ZA	daily rain	10.7 mm (0.4 in)	3.8 mm (0.15 in)	28 years	14 of 100 (Routine)
30 April 1911	Aberdeen (Tnk), ZA	daily rain	4.6 mm (0.18 in)	4.3 mm (0.17 in)	8 years	13 of 100 (Routine)
30 April 1911	Fraserburg, ZA	daily rain	1.5 mm (0.06 in)	1.0 mm (0.04 in)	29 years	12 of 100 (Routine)
30 April 1911	Jamestown, ZA	daily rain	25.4 mm (1.0 in)	1.5 mm (0.06 in)	24 years	12 of 100 (Routine)
30 April 1911	Chattanooga Wb City, US	daily high min	19.4 C (66.9 F)	1.6 C (2.9 F)	16 years	11 of 100 (Routine)
30 April 1911	Kirov, RU	daily rain	2.8 mm (0.11 in)	0.8 mm (0.03 in)	17 years	10 of 100 (Routine)
30 April 1911	Wellwood, ZA	daily rain	10.9 mm (0.4 in)	3.5 mm (0.14 in)	12 years	10 of 100 (Routine)
30 April 1911	Beaufort West (Met), ZA	daily rain	8.6 mm (0.34 in)	3.5 mm (0.14 in)	5 years	9 of 100 (Routine)
30 April 1911	Bacchus Marsh, AU	daily rain	3.0 mm (0.12 in)	0.5 mm (0.02 in)	18 years	8 of 100 (Routine)
30 April 1911	Cradock, ZA	daily rain	7.9 mm (0.31 in)	1.8 mm (0.07 in)	12 years	8 of 100 (Routine)
30 April 1911	Woodstock, CA	daily high min	12.2 C (54.0 F)	0.5 C (0.9 F)	9 years	7 of 100 (Routine)
30 April 1911	Lindsay, CA	daily high min (Tie)	12.2 C (54.0 F)	tie	11 years	1 of 100 (Routine)
30 April 1911	Koffiefontein (Pol), ZA	daily rain (Tie)	4.8 mm (0.19 in)	tie	14 years	1 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

1795 to 1911

Records set or tied on this calendar date in each year from 1795 to 1911. 1911 had 19 records.

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

Records on 04-30 in each year
Year	Records
1795	1
1804	1
1809	1
1812	1
1814	2
1833	1
1840	1
1848	1
1850	1
1853	1
1854	1
1856	1
1859	1
1862	1
1864	1
1865	1
1866	3
1872	1
1873	1
1874	2
1876	1
1878	4
1879	2
1880	1
1881	1
1882	1
1884	1
1885	1
1886	5
1888	1
1889	1
1891	5
1892	7
1894	1
1895	5
1896	3
1897	2
1898	6
1899	11
1900	4
1901	8
1902	13
1903	21
1904	11
1905	9
1906	16
1907	35
1908	28
1909	74
1910	17
1911	19
1912	18
1913	62
1914	8
1915	20
1916	21
1917	25
1918	28
1919	130
1920	70
1921	54
1922	138
1923	42
1924	96
1925	210
1926	331
1927	127
1928	130
1929	119
1930	232
1931	548
1932	145
1933	422
1934	443
1935	327
1936	373
1937	228
1938	282
1939	268
1940	526
1941	484
1942	1,163
1943	470
1944	286
1945	314
1946	301
1947	330
1948	912
1949	447
1950	671
1951	783
1952	435
1953	635
1954	1,224
1955	1,252
1956	908
1957	401
1958	482
1959	575
1960	507
1961	381
1962	617
1963	730
1964	339
1965	488
1966	740
1967	914
1968	928
1969	587
1970	1,189
1971	365
1972	497
1973	398
1974	822
1975	468
1976	783
1977	525
1978	631
1979	675
1980	545
1981	1,342
1982	504
1983	1,154
1984	1,519
1985	650
1986	660
1987	1,437
1988	808
1989	674
1990	977
1991	828
1992	1,808
1993	765
1994	1,499
1995	1,007
1996	1,637
1997	764
1998	857
1999	1,012
2000	1,046
2001	900
2002	1,171
2003	927
2004	703
2005	1,113
2006	778
2007	996
2008	1,260
2009	660
2010	921
2011	636
2012	819
2013	732
2014	946
2015	380
2016	969
2017	1,450
2018	708
2019	700
2020	1,476
2021	1,167
2022	499
2023	782
2024	705
2025	489
2026	365

Download the Data

Data for records on 1911-04-30: 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 2	10
2 to 4	3
4 to 6	3
6 to 8	0
8 to 10	1