Weather Records on 11 April 1948

921 weather records were set or tied worldwide on 11 April 1948. Highest significance: Rosedale, AU.

Key Facts for 11 April 1948

On 11 April 1948, 921 weather records were set or tied at long-record stations worldwide.
182 were record highs and 84 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 73 monthly and 842 daily.
Rosedale set a monthly record daily precipitation of 65.0 mm (2.6 in) on 11 April 1948.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 478 records.

Record Map

921 stations

921 station records on 11 April 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rosedale	Australia	Record daily precipitation	65.0 mm (2.6 in)	67 of 100 (Major)
Cambrai (Kongolia)	Australia	Record daily precipitation	49.3 mm (1.9 in)	67 of 100 (Major)
Golden Grove	Australia	Record daily precipitation	97.8 mm (3.9 in)	64 of 100 (Major)
Bordertown	Australia	Record daily precipitation	61.2 mm (2.4 in)	64 of 100 (Major)
Branxholme (Bassett)	Australia	Record daily precipitation	36.6 mm (1.4 in)	63 of 100 (Major)
Williamstown	Australia	Record daily precipitation	84.1 mm (3.3 in)	61 of 100 (Major)
Taldra	Australia	Record daily precipitation	47.8 mm (1.9 in)	61 of 100 (Major)
Adelaide (Pooraka)	Australia	Record daily precipitation	93.0 mm (3.7 in)	59 of 100 (Notable)
Adelaide (Thorndon Park)	Australia	Record daily precipitation	88.9 mm (3.5 in)	59 of 100 (Notable)
Kapunda Water Works	Australia	Record daily precipitation	61.2 mm (2.4 in)	59 of 100 (Notable)
Victor Harbor (Rivington Grang	Australia	Record daily precipitation	109.0 mm (4.3 in)	59 of 100 (Notable)
Millersburg	United States	Record daily precipitation	75.4 mm (3.0 in)	58 of 100 (Notable)
Kingscote (Karinga)	Australia	Record daily precipitation	52.3 mm (2.1 in)	57 of 100 (Notable)
Smithfield	Australia	Record daily precipitation	58.4 mm (2.3 in)	57 of 100 (Notable)
Cooke Plains	Australia	Record daily precipitation	47.0 mm (1.9 in)	57 of 100 (Notable)
Lecor View Point	Australia	Record daily precipitation	74.9 mm (2.9 in)	57 of 100 (Notable)
Broome Post Office	Australia	Record daily precipitation	125.7 mm (4.9 in)	56 of 100 (Notable)
Coulta	Australia	Record daily precipitation	27.7 mm (1.1 in)	56 of 100 (Notable)
Tanunda	Australia	Record daily precipitation	56.4 mm (2.2 in)	56 of 100 (Notable)
Keyneton	Australia	Record daily precipitation	62.2 mm (2.4 in)	56 of 100 (Notable)
Coomandook	Australia	Record daily precipitation	58.2 mm (2.3 in)	56 of 100 (Notable)
Angaston	Australia	Record daily precipitation	58.7 mm (2.3 in)	55 of 100 (Notable)
Second Valley (Poolamacca)	Australia	Record daily precipitation	65.0 mm (2.6 in)	55 of 100 (Notable)
Victor Harbor Comparison	Australia	Record daily precipitation	54.4 mm (2.1 in)	55 of 100 (Notable)
Tailem Bend (Woodlands)	Australia	Record daily precipitation	48.8 mm (1.9 in)	55 of 100 (Notable)
Diapur (Bleak House)	Australia	Record daily precipitation	46.5 mm (1.8 in)	54 of 100 (Notable)
Charam	Australia	Record daily precipitation	76.2 mm (3.0 in)	54 of 100 (Notable)
Oenpelli	Australia	Record daily precipitation	135.6 mm (5.3 in)	53 of 100 (Notable)
Yankalilla	Australia	Record daily precipitation	49.3 mm (1.9 in)	53 of 100 (Notable)
Diapur	Australia	Record daily precipitation	44.7 mm (1.8 in)	53 of 100 (Notable)
Wonwondah (Mount Zero)	Australia	Record daily precipitation	43.9 mm (1.7 in)	53 of 100 (Notable)
Cape Borda Comparison	Australia	Record daily precipitation	44.5 mm (1.8 in)	52 of 100 (Notable)
Cape de Couedic	Australia	Record daily precipitation	46.2 mm (1.8 in)	52 of 100 (Notable)
Kapunda	Australia	Record daily precipitation	56.4 mm (2.2 in)	52 of 100 (Notable)
Myponga	Australia	Record daily precipitation	59.7 mm (2.4 in)	52 of 100 (Notable)
Moorlands	Australia	Record daily precipitation	47.0 mm (1.9 in)	52 of 100 (Notable)
Dimboola	Australia	Record daily precipitation	49.5 mm (1.9 in)	52 of 100 (Notable)
Cape Otway Lighthouse	Australia	Record daily precipitation	42.4 mm (1.7 in)	52 of 100 (Notable)
Stansbury	Australia	Record daily precipitation	30.2 mm (1.2 in)	51 of 100 (Notable)
Collingrove	Australia	Record daily precipitation	74.9 mm (2.9 in)	51 of 100 (Notable)
Port Lincoln	Australia	Record daily precipitation	29.7 mm (1.2 in)	50 of 100 (Notable)
Roseworthy Agric College	Australia	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
Roseworthy	Australia	Record daily precipitation	56.4 mm (2.2 in)	50 of 100 (Notable)
Nuriootpa	Australia	Record daily precipitation	55.9 mm (2.2 in)	50 of 100 (Notable)
Stockport	Australia	Record daily precipitation	47.0 mm (1.9 in)	50 of 100 (Notable)
Coonalpyn	Australia	Record daily precipitation	44.5 mm (1.8 in)	50 of 100 (Notable)
Wirrega (Taunton)	Australia	Record daily precipitation	55.1 mm (2.2 in)	50 of 100 (Notable)
Argoon	Australia	Record daily precipitation	29.5 mm (1.2 in)	50 of 100 (Notable)
Lillimur Estate	Australia	Record daily precipitation	50.8 mm (2.0 in)	50 of 100 (Notable)
Serviceton	Australia	Record daily precipitation	63.8 mm (2.5 in)	50 of 100 (Notable)
Bute (Ninnes)	Australia	Record daily precipitation	45.7 mm (1.8 in)	49 of 100 (Notable)
Lake Plains (Metala)	Australia	Record daily precipitation	29.5 mm (1.2 in)	49 of 100 (Notable)
Minimay (Booroopki)	Australia	Record daily precipitation	59.7 mm (2.4 in)	49 of 100 (Notable)
Cooma	Australia	Record daily precipitation	36.6 mm (1.4 in)	49 of 100 (Notable)
Gellibrand River East (Lovat)	Australia	Record daily precipitation	53.6 mm (2.1 in)	49 of 100 (Notable)
Houghton (Glen Ewin)	Australia	Record daily precipitation	114.0 mm (4.5 in)	48 of 100 (Notable)
Clear Lake	Australia	Record daily precipitation	51.8 mm (2.0 in)	48 of 100 (Notable)
Goroke (Rose Banks)	Australia	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Penneshaw 2	Australia	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Second Valley (Spring Grove)	Australia	Record daily precipitation	54.4 mm (2.1 in)	47 of 100 (Notable)

Counts by Type and Timescale

921 records

Records set or tied on 11 April 1948 by type: Highest daily maximum 60, Lowest daily maximum 55, Highest daily minimum 122, Lowest daily minimum 29, Heaviest daily rainfall 619, Heaviest daily snowfall 31, Deepest snow cover 5.

Records on 11 April 1948 by type
Record type	Records
Highest daily maximum	60
Lowest daily maximum	55
Highest daily minimum	122
Lowest daily minimum	29
Heaviest daily rainfall	619
Heaviest daily snowfall	31
Deepest snow cover	5

Records on 11 April 1948 by timescale: all-time 6, monthly 73, daily 842.

How Much Records Were Beaten By

817 broken records

Margins by which the 817 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1000.0. Ties are not counted.

Top 20 by Significance

11 April 1948

Top 20 records on 11 April 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1948	Rosedale, AU	monthly rain	65.0 mm (2.6 in)	31.5 mm (1.2 in)	42 years	67 of 100 (Major)
11 April 1948	Cambrai (Kongolia), AU	monthly rain	49.3 mm (1.9 in)	24.4 mm (1.0 in)	43 years	67 of 100 (Major)
11 April 1948	Golden Grove, AU	all-time rain	97.8 mm (3.9 in)	25.7 mm (1.0 in)	7 years	64 of 100 (Major)
11 April 1948	Bordertown, AU	daily rain	61.2 mm (2.4 in)	41.6 mm (1.6 in)	60 years	64 of 100 (Major)
11 April 1948	Branxholme (Bassett), AU	daily rain	36.6 mm (1.4 in)	23.4 mm (0.9 in)	56 years	63 of 100 (Major)
11 April 1948	Williamstown, AU	daily rain	84.1 mm (3.3 in)	65.0 mm (2.6 in)	51 years	61 of 100 (Major)
11 April 1948	Taldra, AU	monthly rain	47.8 mm (1.9 in)	20.4 mm (0.8 in)	25 years	61 of 100 (Major)
11 April 1948	Adelaide (Pooraka), AU	all-time rain	93.0 mm (3.7 in)	10.2 mm (0.4 in)	59 years	59 of 100 (Notable)
11 April 1948	Adelaide (Thorndon Park), AU	all-time rain	88.9 mm (3.5 in)	12.7 mm (0.5 in)	58 years	59 of 100 (Notable)
11 April 1948	Kapunda Water Works, AU	daily rain	61.2 mm (2.4 in)	42.4 mm (1.7 in)	45 years	59 of 100 (Notable)
11 April 1948	Victor Harbor (Rivington Grang, AU	monthly rain	109.0 mm (4.3 in)	76.0 mm (3.0 in)	21 years	59 of 100 (Notable)
11 April 1948	Millersburg, US	monthly rain	75.4 mm (3.0 in)	32.5 mm (1.3 in)	16 years	58 of 100 (Notable)
11 April 1948	Kingscote (Karinga), AU	monthly rain	52.3 mm (2.1 in)	16.7 mm (0.7 in)	23 years	57 of 100 (Notable)
11 April 1948	Smithfield, AU	monthly rain	58.4 mm (2.3 in)	26.4 mm (1.0 in)	9 years	57 of 100 (Notable)
11 April 1948	Cooke Plains, AU	monthly rain	47.0 mm (1.9 in)	19.3 mm (0.8 in)	9 years	57 of 100 (Notable)
11 April 1948	Lecor View Point, AU	monthly rain	74.9 mm (2.9 in)	44.4 mm (1.7 in)	16 years	57 of 100 (Notable)
11 April 1948	Broome Post Office, AU	daily rain	125.7 mm (4.9 in)	114.0 mm (4.5 in)	34 years	56 of 100 (Notable)
11 April 1948	Coulta, AU	daily rain	27.7 mm (1.1 in)	20.6 mm (0.8 in)	45 years	56 of 100 (Notable)
11 April 1948	Tanunda, AU	daily rain	56.4 mm (2.2 in)	41.9 mm (1.6 in)	33 years	56 of 100 (Notable)
11 April 1948	Keyneton, AU	monthly rain	62.2 mm (2.4 in)	29.7 mm (1.2 in)	9 years	56 of 100 (Notable)

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 1948

Records set or tied on this calendar date in each year from 1800 to 1948. 1948 had 921 records.

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

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 1948-04-11: 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 200	814
200 to 400	2
400 to 600	0
600 to 800	0
800 to 1000	1