Weather Records on 11 May 1949

451 weather records were set or tied worldwide on 11 May 1949. Highest significance: Aldervale, AU.

Key Facts for 11 May 1949

On 11 May 1949, 451 weather records were set or tied at long-record stations worldwide.
186 were record highs and 107 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 446 daily.
Aldervale set a monthly record daily precipitation of 94.2 mm (3.7 in) on 11 May 1949.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 463 records.

Record Map

451 stations

451 station records on 11 May 1949 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1949: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aldervale	Australia	Record daily precipitation	94.2 mm (3.7 in)	55 of 100 (Notable)
Elephant Butte Dam	United States	Record daily precipitation	32.5 mm (1.3 in)	53 of 100 (Notable)
Lynchburg 7 St Brg	United States	Record daily precipitation	68.6 mm (2.7 in)	51 of 100 (Notable)
Neuse 2 NE	United States	Record daily precipitation	48.3 mm (1.9 in)	46 of 100 (Notable)
New Holland	United States	Record daily precipitation	53.3 mm (2.1 in)	46 of 100 (Notable)
Okhimath	India	Record daily precipitation	48.3 mm (1.9 in)	45 of 100 (Notable)
Enfield	United States	Record daily precipitation	64.8 mm (2.6 in)	45 of 100 (Notable)
Hopewell	United States	Record daily precipitation	49.0 mm (1.9 in)	45 of 100 (Notable)
George Airport	South Africa	Record daily precipitation	56.1 mm (2.2 in)	43 of 100 (Notable)
Williamsburg 2 NW	United States	Record daily precipitation	47.0 mm (1.9 in)	40 of 100 (Notable)
Weldon	United States	Record daily precipitation	57.4 mm (2.3 in)	39 of 100 (Notable)
Mbabane	Swaziland	Record daily precipitation	31.5 mm (1.2 in)	39 of 100 (Notable)
Aberdeen Rd (Sar)	South Africa	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Brakfontein	South Africa	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record daily precipitation	91.2 mm (3.6 in)	36 of 100 (Notable)
Smithfield	United States	Record daily precipitation	46.5 mm (1.8 in)	36 of 100 (Notable)
Soro	India	Record daily precipitation	96.5 mm (3.8 in)	35 of 100 (Notable)
Kumargram	India	Record daily precipitation	143.5 mm (5.6 in)	35 of 100 (Notable)
Onley 1 S	United States	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Karlsruhe	Germany	Record low minimum temperature	-2.5 C (27.5 F)	34 of 100 (Routine)
De Vlei "de Kruis"	South Africa	Record daily precipitation	34.0 mm (1.3 in)	33 of 100 (Routine)
Nieu-Bethesda (Pol)	South Africa	Record daily precipitation	35.3 mm (1.4 in)	33 of 100 (Routine)
Westminter Estate	South Africa	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Castle Rock	United States	Record daily precipitation	42.9 mm (1.7 in)	33 of 100 (Routine)
Milledgeville	United States	Record daily precipitation	38.4 mm (1.5 in)	33 of 100 (Routine)
Wien	Austria	Record daily precipitation	27.5 mm (1.1 in)	32 of 100 (Routine)
Alice Springs Post Office	Australia	Record low minimum temperature	-1.7 C (28.9 F)	31 of 100 (Routine)
Lumber City	United States	Record daily precipitation	29.0 mm (1.1 in)	31 of 100 (Routine)
Augsburg (Sankt Stephan)	Germany	Record low minimum temperature	-0.5 C (31.1 F)	30 of 100 (Routine)
Bloemhof	South Africa	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Graham 2 ENE	United States	Record daily precipitation	39.1 mm (1.5 in)	30 of 100 (Routine)
Reidsville	United States	Record daily precipitation	35.6 mm (1.4 in)	30 of 100 (Routine)
Greenville	United States	Record daily precipitation	26.2 mm (1.0 in)	29 of 100 (Routine)
Effingham	United States	Record daily precipitation	38.1 mm (1.5 in)	29 of 100 (Routine)
Dante	United States	Record daily precipitation	32.0 mm (1.3 in)	28 of 100 (Routine)
Laguna	United States	Record daily precipitation	26.9 mm (1.1 in)	27 of 100 (Routine)
Clarksville	United States	Record daily precipitation	32.5 mm (1.3 in)	27 of 100 (Routine)
Diamond Springs	United States	Record daily precipitation	35.1 mm (1.4 in)	27 of 100 (Routine)
Burdekin Shire Council	Australia	Record low maximum temperature	23.3 C (73.9 F)	26 of 100 (Routine)
Kachugaon	India	Record daily precipitation	126.0 mm (5.0 in)	26 of 100 (Routine)
Great Brak River	South Africa	Record daily precipitation	37.1 mm (1.5 in)	26 of 100 (Routine)
Klipplaat (Sar)	South Africa	Record daily precipitation	31.2 mm (1.2 in)	26 of 100 (Routine)
Ignacio 1 N	United States	Record daily precipitation	27.4 mm (1.1 in)	26 of 100 (Routine)
Scotland Neck	United States	Record daily precipitation	69.9 mm (2.8 in)	26 of 100 (Routine)
Glen Lyn	United States	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Banff	Canada	Record high maximum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
De Hoop	South Africa	Record daily precipitation	44.5 mm (1.8 in)	24 of 100 (Routine)
Kapokhoek	South Africa	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Fayetteville (Pwc)	United States	Record daily precipitation	38.6 mm (1.5 in)	24 of 100 (Routine)
Summit Grd STN	United States	Record high minimum temperature	8.9 C (48.0 F)	24 of 100 (Routine)
Wetaskiwin	Canada	Record high minimum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Regensburg	Germany	Record low minimum temperature	-0.7 C (30.7 F)	23 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	0.8 C (33.4 F)	23 of 100 (Routine)
Tufanganj	India	Record daily precipitation	66.0 mm (2.6 in)	23 of 100 (Routine)
Cedarville	United States	Record high minimum temperature	13.9 C (57.0 F)	23 of 100 (Routine)
Chestertown	United States	Record low maximum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Jefferson 2 E	United States	Record daily precipitation	44.5 mm (1.8 in)	23 of 100 (Routine)
Marshall	United States	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Nashville	United States	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Rocky Mt	United States	Record daily precipitation	43.9 mm (1.7 in)	23 of 100 (Routine)

Counts by Type and Timescale

451 records

Records set or tied on 11 May 1949 by type: Highest daily maximum 131, Lowest daily maximum 42, Highest daily minimum 55, Lowest daily minimum 65, Heaviest daily rainfall 158.

Records on 11 May 1949 by type
Record type	Records
Highest daily maximum	131
Lowest daily maximum	42
Highest daily minimum	55
Lowest daily minimum	65
Heaviest daily rainfall	158
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 May 1949 by timescale: all-time 0, monthly 5, daily 446.

How Much Records Were Beaten By

364 broken records

Margins by which the 364 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.7. Ties are not counted.

Top 20 by Significance

11 May 1949

Top 20 records on 11 May 1949 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1949	Aldervale, AU	monthly rain	94.2 mm (3.7 in)	43.1 mm (1.7 in)	3 years	55 of 100 (Notable)
11 May 1949	Elephant Butte Dam, US	daily rain	32.5 mm (1.3 in)	30.2 mm (1.2 in)	32 years	53 of 100 (Notable)
11 May 1949	Lynchburg 7 St Brg, US	daily rain	68.6 mm (2.7 in)	53.6 mm (2.1 in)	24 years	51 of 100 (Notable)
11 May 1949	Neuse 2 NE, US	daily rain	48.3 mm (1.9 in)	41.7 mm (1.6 in)	16 years	46 of 100 (Notable)
11 May 1949	New Holland, US	daily rain	53.3 mm (2.1 in)	45.7 mm (1.8 in)	30 years	46 of 100 (Notable)
11 May 1949	Okhimath, IN	daily rain	48.3 mm (1.9 in)	36.1 mm (1.4 in)	19 years	45 of 100 (Notable)
11 May 1949	Enfield, US	daily rain	64.8 mm (2.6 in)	43.2 mm (1.7 in)	27 years	45 of 100 (Notable)
11 May 1949	Hopewell, US	daily rain	49.0 mm (1.9 in)	42.1 mm (1.7 in)	28 years	45 of 100 (Notable)
11 May 1949	George Airport, ZA	daily rain	56.1 mm (2.2 in)	28.4 mm (1.1 in)	52 years	43 of 100 (Notable)
11 May 1949	Williamsburg 2 NW, US	daily rain	47.0 mm (1.9 in)	39.4 mm (1.6 in)	10 years	40 of 100 (Notable)
11 May 1949	Weldon, US	daily rain	57.4 mm (2.3 in)	22.3 mm (0.9 in)	60 years	39 of 100 (Notable)
11 May 1949	Mbabane, SZ	daily rain	31.5 mm (1.2 in)	18.3 mm (0.7 in)	40 years	39 of 100 (Notable)
11 May 1949	Aberdeen Rd (Sar), ZA	daily rain	36.3 mm (1.4 in)	26.1 mm (1.0 in)	14 years	37 of 100 (Notable)
11 May 1949	Brakfontein, ZA	monthly rain	35.6 mm (1.4 in)	4.9 mm (0.19 in)	42 years	37 of 100 (Notable)
11 May 1949	Coloso, PR	daily rain	91.2 mm (3.6 in)	37.9 mm (1.5 in)	38 years	36 of 100 (Notable)
11 May 1949	Smithfield, US	daily rain	46.5 mm (1.8 in)	30.8 mm (1.2 in)	16 years	36 of 100 (Notable)
11 May 1949	Soro, IN	daily rain	96.5 mm (3.8 in)	54.6 mm (2.1 in)	24 years	35 of 100 (Notable)
11 May 1949	Kumargram, IN	daily rain	143.5 mm (5.6 in)	78.7 mm (3.1 in)	26 years	35 of 100 (Notable)
11 May 1949	Onley 1 S, US	daily rain	38.9 mm (1.5 in)	26.2 mm (1.0 in)	24 years	35 of 100 (Notable)
11 May 1949	Karlsruhe, DE	daily low min	-2.5 C (27.5 F)	3.5 C (6.3 F)	60 years	34 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

1814 to 1949

Records set or tied on this calendar date in each year from 1814 to 1949. 1949 had 451 records.

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

Records on 05-11 in each year
Year	Records
1814	3
1832	1
1836	3
1837	1
1838	1
1848	2
1856	1
1860	2
1865	1
1867	1
1869	1
1872	1
1874	2
1879	2
1880	1
1881	5
1883	3
1884	2
1885	1
1886	2
1887	1
1888	1
1889	2
1892	1
1893	3
1894	2
1895	4
1896	3
1897	6
1898	5
1900	7
1901	9
1902	6
1903	7
1904	6
1905	12
1906	21
1907	44
1908	9
1909	12
1910	16
1911	99
1912	21
1913	20
1914	20
1915	16
1916	22
1917	40
1918	54
1919	56
1920	181
1921	58
1922	61
1923	111
1924	239
1925	410
1926	472
1927	318
1928	252
1929	126
1930	380
1931	254
1932	170
1933	429
1934	332
1935	276
1936	363
1937	170
1938	141
1939	213
1940	340
1941	411
1942	389
1943	646
1944	408
1945	483
1946	747
1947	480
1948	407
1949	451
1950	285
1951	395
1952	629
1953	686
1954	492
1955	235
1956	942
1957	439
1958	499
1959	575
1960	809
1961	663
1962	670
1963	984
1964	299
1965	356
1966	992
1967	974
1968	909
1969	349
1970	764
1971	565
1972	673
1973	429
1974	795
1975	383
1976	509
1977	836
1978	1,070
1979	1,239
1980	693
1981	1,298
1982	624
1983	930
1984	666
1985	835
1986	684
1987	1,247
1988	485
1989	952
1990	935
1991	990
1992	728
1993	1,088
1994	633
1995	1,244
1996	1,088
1997	1,033
1998	1,315
1999	1,052
2000	1,286
2001	848
2002	845
2003	1,321
2004	834
2005	944
2006	822
2007	833
2008	1,015
2009	605
2010	1,292
2011	1,414
2012	1,181
2013	615
2014	662
2015	1,038
2016	497
2017	546
2018	988
2019	915
2020	1,068
2021	590
2022	1,470
2023	390
2024	579
2025	1,104
2026	797

Download the Data

Data for records on 1949-05-11: 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 10	305
10 to 20	28
20 to 30	15
30 to 40	7
40 to 50	5
50 to 60	2
60 to 70	1
70 to 80	1