Weather Records on 11 May 1947

480 weather records were set or tied worldwide on 11 May 1947. Highest significance: Crosbyton, US.

Key Facts for 11 May 1947

On 11 May 1947, 480 weather records were set or tied at long-record stations worldwide.
85 were record highs and 191 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 15 monthly and 465 daily.
Crosbyton set a monthly record daily precipitation of 89.7 mm (3.5 in) on 11 May 1947.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 463 records.

Record Map

480 stations

480 station records on 11 May 1947 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1947: highest significance records shown on the map
Station	Country	Type	Value	Significance
Crosbyton	United States	Record daily precipitation	89.7 mm (3.5 in)	54 of 100 (Notable)
Beaver	United States	Record daily precipitation	45.2 mm (1.8 in)	53 of 100 (Notable)
Buffalo Bill Dam	United States	Record daily precipitation	50.8 mm (2.0 in)	50 of 100 (Notable)
Cascavel	Brazil	Record daily precipitation	124.0 mm (4.9 in)	49 of 100 (Notable)
Shiggaon	India	Record daily precipitation	88.9 mm (3.5 in)	49 of 100 (Notable)
Narsaraopet	India	Record daily precipitation	59.2 mm (2.3 in)	41 of 100 (Notable)
Fillmore	United States	Record daily precipitation	40.1 mm (1.6 in)	41 of 100 (Notable)
Fortaleza (Escola Regional)	Brazil	Record daily precipitation	100.6 mm (4.0 in)	40 of 100 (Notable)
Post	United States	Record daily precipitation	52.6 mm (2.1 in)	39 of 100 (Notable)
Hanksville	United States	Record low maximum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Eagle Pass 3N	United States	Record daily precipitation	48.0 mm (1.9 in)	33 of 100 (Routine)
Bellary	India	Record daily precipitation	43.9 mm (1.7 in)	32 of 100 (Routine)
Snyder	United States	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)
Oranje	South Africa	Record daily precipitation	40.1 mm (1.6 in)	31 of 100 (Routine)
Bedford 2 SE	United States	Record daily precipitation	25.7 mm (1.0 in)	31 of 100 (Routine)
Montcornet	France	Record daily precipitation	41.2 mm (1.6 in)	29 of 100 (Routine)
Falun	Sweden	Record high maximum temperature	26.7 C (80.1 F)	29 of 100 (Routine)
Menard	United States	Record daily precipitation	40.6 mm (1.6 in)	29 of 100 (Routine)
Zastron (Tnk)	South Africa	Record daily precipitation	35.6 mm (1.4 in)	28 of 100 (Routine)
Sveg	Sweden	Record high maximum temperature	25.9 C (78.6 F)	28 of 100 (Routine)
Haskell	United States	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
Roby	United States	Record daily precipitation	26.7 mm (1.1 in)	28 of 100 (Routine)
Sarita 7 E	United States	Record daily precipitation	74.9 mm (2.9 in)	28 of 100 (Routine)
Ona	Norway	Record high minimum temperature	11.4 C (52.5 F)	27 of 100 (Routine)
Storlien	Sweden	Record high maximum temperature	17.0 C (62.6 F)	27 of 100 (Routine)
Silver Lake	United States	Record daily snowfall	30.5 cm (12.0 in)	27 of 100 (Routine)
Kerrville	United States	Record daily precipitation	40.6 mm (1.6 in)	27 of 100 (Routine)
Esperance Post Office	Australia	Record high maximum temperature	31.2 C (88.2 F)	26 of 100 (Routine)
Bjuraker	Sweden	Record high maximum temperature	25.8 C (78.4 F)	26 of 100 (Routine)
Leoti	United States	Record daily precipitation	31.2 mm (1.2 in)	26 of 100 (Routine)
Gavle	Sweden	Record high maximum temperature	28.3 C (82.9 F)	25 of 100 (Routine)
Crown King	United States	Record daily precipitation	28.2 mm (1.1 in)	25 of 100 (Routine)
Pitkin	United States	Record daily snowfall	10.2 cm (4.0 in)	25 of 100 (Routine)
Frederick	United States	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Tropic	United States	Record low maximum temperature	8.9 C (48.0 F)	25 of 100 (Routine)
Annex Creek	United States	Record daily precipitation	41.9 mm (1.6 in)	25 of 100 (Routine)
Waianae 798	United States	Record high maximum temperature	32.8 C (91.0 F)	25 of 100 (Routine)
Harnosand	Sweden	Record high maximum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Oestersund-Froesoen	Sweden	Record high maximum temperature	24.0 C (75.2 F)	24 of 100 (Routine)
Orebro	Sweden	Record high maximum temperature	24.8 C (76.6 F)	24 of 100 (Routine)
Umea	Sweden	Record high maximum temperature	23.4 C (74.1 F)	24 of 100 (Routine)
Jokkmokk	Sweden	Record high minimum temperature	5.1 C (41.2 F)	24 of 100 (Routine)
Washington 2 ESE	United States	Record low minimum temperature	5.6 C (42.1 F)	24 of 100 (Routine)
Frederick Police Brks	United States	Record low minimum temperature	-2.8 C (27.0 F)	24 of 100 (Routine)
Lynnville 4 SSW	United States	Record low minimum temperature	1.7 C (35.1 F)	24 of 100 (Routine)
Clayton Muni Air Pk	United States	Record daily precipitation	33.3 mm (1.3 in)	24 of 100 (Routine)
Gudur(Guduru)	India	Record daily precipitation	26.9 mm (1.1 in)	23 of 100 (Routine)
Utsira Fyr	Norway	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Pitea	Sweden	Record high maximum temperature	23.2 C (73.8 F)	23 of 100 (Routine)
Amenia	United States	Record high minimum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Willow City	United States	Record high minimum temperature	12.2 C (54.0 F)	23 of 100 (Routine)
Middlesboro Fire Dept	United States	Record low minimum temperature	-0.6 C (30.9 F)	22 of 100 (Routine)
Monroe 2 SE	United States	Record low minimum temperature	0.6 C (33.1 F)	22 of 100 (Routine)
Beaufort Wwtp	United States	Record low maximum temperature	21.7 C (71.1 F)	22 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record low minimum temperature	-1.1 C (30.0 F)	22 of 100 (Routine)
Spicer	United States	Record high minimum temperature	10.6 C (51.1 F)	21 of 100 (Routine)
Newton	United States	Record low minimum temperature	-2.8 C (27.0 F)	21 of 100 (Routine)
Greensburg 2 S	United States	Record low minimum temperature	-5.6 C (21.9 F)	21 of 100 (Routine)
Williamsburg 2 NW	United States	Record low minimum temperature	-1.1 C (30.0 F)	21 of 100 (Routine)
St George	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)

Counts by Type and Timescale

480 records

Records set or tied on 11 May 1947 by type: Highest daily maximum 28, Lowest daily maximum 29, Highest daily minimum 57, Lowest daily minimum 162, Heaviest daily rainfall 200, Heaviest daily snowfall 4.

Records on 11 May 1947 by type
Record type	Records
Highest daily maximum	28
Lowest daily maximum	29
Highest daily minimum	57
Lowest daily minimum	162
Heaviest daily rainfall	200
Heaviest daily snowfall	4
Deepest snow cover	0

Records on 11 May 1947 by timescale: all-time 0, monthly 15, daily 465.

How Much Records Were Beaten By

385 broken records

Margins by which the 385 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.

Top 20 by Significance

11 May 1947

Top 20 records on 11 May 1947 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1947	Crosbyton, US	monthly rain	89.7 mm (3.5 in)	31.3 mm (1.2 in)	41 years	54 of 100 (Notable)
11 May 1947	Beaver, US	daily rain	45.2 mm (1.8 in)	35.0 mm (1.4 in)	28 years	53 of 100 (Notable)
11 May 1947	Buffalo Bill Dam, US	daily rain	50.8 mm (2.0 in)	38.1 mm (1.5 in)	21 years	50 of 100 (Notable)
11 May 1947	Cascavel, BR	daily rain	124.0 mm (4.9 in)	104.2 mm (4.1 in)	22 years	49 of 100 (Notable)
11 May 1947	Shiggaon, IN	daily rain	88.9 mm (3.5 in)	58.4 mm (2.3 in)	16 years	49 of 100 (Notable)
11 May 1947	Narsaraopet, IN	daily rain	59.2 mm (2.3 in)	44.7 mm (1.8 in)	12 years	41 of 100 (Notable)
11 May 1947	Fillmore, US	daily rain	40.1 mm (1.6 in)	21.3 mm (0.8 in)	26 years	41 of 100 (Notable)
11 May 1947	Fortaleza (Escola Regional), BR	daily rain	100.6 mm (4.0 in)	56.9 mm (2.2 in)	17 years	40 of 100 (Notable)
11 May 1947	Post, US	daily rain	52.6 mm (2.1 in)	36.1 mm (1.4 in)	28 years	39 of 100 (Notable)
11 May 1947	Hanksville, US	daily low max	11.7 C (53.1 F)	9.4 C (16.9 F)	34 years	34 of 100 (Routine)
11 May 1947	Eagle Pass 3N, US	daily rain	48.0 mm (1.9 in)	28.9 mm (1.1 in)	53 years	33 of 100 (Routine)
11 May 1947	Bellary, IN	daily rain	43.9 mm (1.7 in)	31.7 mm (1.2 in)	20 years	32 of 100 (Routine)
11 May 1947	Snyder, US	daily rain	39.4 mm (1.6 in)	29.2 mm (1.1 in)	29 years	32 of 100 (Routine)
11 May 1947	Oranje, ZA	daily rain	40.1 mm (1.6 in)	23.6 mm (0.9 in)	12 years	31 of 100 (Routine)
11 May 1947	Bedford 2 SE, US	daily rain	25.7 mm (1.0 in)	11.7 mm (0.5 in)	21 years	31 of 100 (Routine)
11 May 1947	Montcornet, FR	monthly rain	41.2 mm (1.6 in)	6.0 mm (0.24 in)	16 years	29 of 100 (Routine)
11 May 1947	Falun, SE	daily high max	26.7 C (80.1 F)	6.7 C (12.1 F)	40 years	29 of 100 (Routine)
11 May 1947	Menard, US	daily rain	40.6 mm (1.6 in)	11.6 mm (0.5 in)	53 years	29 of 100 (Routine)
11 May 1947	Zastron (Tnk), ZA	daily rain	35.6 mm (1.4 in)	20.4 mm (0.8 in)	12 years	28 of 100 (Routine)
11 May 1947	Sveg, SE	daily high max	25.9 C (78.6 F)	2.4 C (4.3 F)	60 years	28 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 1947

Records set or tied on this calendar date in each year from 1814 to 1947. 1947 had 480 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 1947-05-11: 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 20	362
20 to 40	17
40 to 60	3
60 to 80	1
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1