Weather Records on 11 May 1931

254 weather records were set or tied worldwide on 11 May 1931. Highest significance: Alice Springs Post Office, AU.

Key Facts for 11 May 1931

On 11 May 1931, 254 weather records were set or tied at long-record stations worldwide.
58 were record highs and 151 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 251 daily.
Alice Springs Post Office set a monthly record high minimum temperature of 21.7 C (71.1 F) on 11 May 1931.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 465 records.

Record Map

254 stations

254 station records on 11 May 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alice Springs Post Office	Australia	Record high minimum temperature	21.7 C (71.1 F)	31 of 100 (Routine)
Astoria	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Micurinsk	Russia	Record daily precipitation	27.4 mm (1.1 in)	26 of 100 (Routine)
Portland	United States	Record daily precipitation	32.8 mm (1.3 in)	23 of 100 (Routine)
Ladner	Canada	Record high minimum temperature	13.3 C (55.9 F)	22 of 100 (Routine)
Appleton City	United States	Record low maximum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Conception	United States	Record low maximum temperature	10.6 C (51.1 F)	22 of 100 (Routine)
Hay River	Canada	Record high minimum temperature	6.7 C (44.1 F)	21 of 100 (Routine)
Portland Rfc City	United States	Record high minimum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Ardrossan	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Ivanhoe (Wokabity)	Australia	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Yarmouth	Canada	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Orono	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Oregon	United States	Record low maximum temperature	11.7 C (53.1 F)	20 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	33.5 mm (1.3 in)	20 of 100 (Routine)
Wickliffe	Australia	Record daily precipitation	11.4 mm (0.4 in)	19 of 100 (Routine)
Rani(Ranigoda)	India	Record daily precipitation	50.0 mm (2.0 in)	19 of 100 (Routine)
Lawrence	United States	Record low maximum temperature	11.7 C (53.1 F)	19 of 100 (Routine)
Waterville Wwtp	United States	Record low maximum temperature	8.9 C (48.0 F)	19 of 100 (Routine)
Tecumseh 1S	United States	Record low maximum temperature	11.7 C (53.1 F)	19 of 100 (Routine)
Albany 1 N	United States	Record high maximum temperature	32.2 C (90.0 F)	19 of 100 (Routine)
Boobyalla	Australia	Record daily precipitation	17.3 mm (0.7 in)	18 of 100 (Routine)
Nuwara Eliya	Sri Lanka	Record high minimum temperature	15.7 C (60.3 F)	18 of 100 (Routine)
Mekliganj	India	Record daily precipitation	82.0 mm (3.2 in)	18 of 100 (Routine)
Little Rock St Capitol	United States	Record low maximum temperature	16.1 C (61.0 F)	18 of 100 (Routine)
College STN 6 SW	United States	Record low minimum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Portland Rfc City	United States	Record high maximum temperature	31.7 C (89.1 F)	18 of 100 (Routine)
Collingrove	Australia	Record daily precipitation	16.8 mm (0.7 in)	17 of 100 (Routine)
Boulia Airport	Australia	Record high maximum temperature	33.9 C (93.0 F)	17 of 100 (Routine)
Anticosti SW Point	Canada	Record low minimum temperature	-5.6 C (21.9 F)	17 of 100 (Routine)
Quitman 2 NW	United States	Record daily precipitation	27.7 mm (1.1 in)	17 of 100 (Routine)
Atlantic 1 NE	United States	Record low maximum temperature	11.7 C (53.1 F)	17 of 100 (Routine)
Emporia 1 S	United States	Record low maximum temperature	12.2 C (54.0 F)	17 of 100 (Routine)
North Bridgton	United States	Record low maximum temperature	6.1 C (43.0 F)	17 of 100 (Routine)
Beatrice	United States	Record low maximum temperature	12.2 C (54.0 F)	17 of 100 (Routine)
Hoyleton	Australia	Record daily precipitation	16.3 mm (0.6 in)	16 of 100 (Routine)
Hay River	Canada	Record high maximum temperature	21.7 C (71.1 F)	16 of 100 (Routine)
Moncton	Canada	Record daily precipitation	11.2 mm (0.4 in)	16 of 100 (Routine)
Los Gatos	United States	Record high minimum temperature	13.9 C (57.0 F)	16 of 100 (Routine)
Corning	United States	Record low maximum temperature	11.1 C (52.0 F)	16 of 100 (Routine)
Denison	United States	Record low maximum temperature	10.6 C (51.1 F)	16 of 100 (Routine)
Farmington	United States	Record low maximum temperature	5.6 C (42.1 F)	16 of 100 (Routine)
Crete 4ESE	United States	Record low maximum temperature	11.7 C (53.1 F)	16 of 100 (Routine)
Weston 2 SE	United States	Record high minimum temperature	16.7 C (62.1 F)	16 of 100 (Routine)
Kansas City	United States	Record low maximum temperature	12.2 C (54.0 F)	16 of 100 (Routine)
Freeling Railway	Australia	Record daily precipitation	15.5 mm (0.6 in)	15 of 100 (Routine)
Pachamba	India	Record daily precipitation	24.1 mm (0.9 in)	15 of 100 (Routine)
Calcutta/Alipore	India	Record daily precipitation	56.9 mm (2.2 in)	15 of 100 (Routine)
Gravette	United States	Record low maximum temperature	14.4 C (57.9 F)	15 of 100 (Routine)
Cedarville	United States	Record high maximum temperature	31.1 C (88.0 F)	15 of 100 (Routine)
Lake Moraine	United States	Record low minimum temperature	-15.6 C (3.9 F)	15 of 100 (Routine)
Thurman	United States	Record low maximum temperature	11.7 C (53.1 F)	15 of 100 (Routine)
Rumford	United States	Record low maximum temperature	5.6 C (42.1 F)	15 of 100 (Routine)
Mtn Grove 2 N	United States	Record low maximum temperature	13.3 C (55.9 F)	15 of 100 (Routine)
Warsaw 1	United States	Record low maximum temperature	13.3 C (55.9 F)	15 of 100 (Routine)
Ovando	United States	Record low minimum temperature	-6.7 C (19.9 F)	15 of 100 (Routine)
W Pt	United States	Record low maximum temperature	12.2 C (54.0 F)	15 of 100 (Routine)
Corvallis State UNIV	United States	Record high minimum temperature	10.6 C (51.1 F)	15 of 100 (Routine)
Jacksonville	United States	Record high minimum temperature	12.2 C (54.0 F)	15 of 100 (Routine)
Snoqualmie Falls	United States	Record high minimum temperature	14.4 C (57.9 F)	15 of 100 (Routine)

Counts by Type and Timescale

254 records

Records set or tied on 11 May 1931 by type: Highest daily maximum 29, Lowest daily maximum 133, Highest daily minimum 29, Lowest daily minimum 18, Heaviest daily rainfall 45.

Records on 11 May 1931 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	133
Highest daily minimum	29
Lowest daily minimum	18
Heaviest daily rainfall	45
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 May 1931 by timescale: all-time 0, monthly 3, daily 251.

How Much Records Were Beaten By

193 broken records

Margins by which the 193 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 33.5. Ties are not counted.

Top 20 by Significance

11 May 1931

Top 20 records on 11 May 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1931	Alice Springs Post Office, AU	monthly high min	21.7 C (71.1 F)	0.6 C (1.1 F)	50 years	31 of 100 (Routine)
11 May 1931	Astoria, US	daily high min	13.9 C (57.0 F)	2.8 C (5.0 F)	41 years	28 of 100 (Routine)
11 May 1931	Micurinsk, RU	daily rain	27.4 mm (1.1 in)	5.3 mm (0.21 in)	39 years	26 of 100 (Routine)
11 May 1931	Portland, US	daily rain	32.8 mm (1.3 in)	10.4 mm (0.4 in)	29 years	23 of 100 (Routine)
11 May 1931	Ladner, CA	daily high min	13.3 C (55.9 F)	2.7 C (4.9 F)	28 years	22 of 100 (Routine)
11 May 1931	Appleton City, US	daily low max	13.9 C (57.0 F)	4.4 C (7.9 F)	35 years	22 of 100 (Routine)
11 May 1931	Conception, US	daily low max	10.6 C (51.1 F)	4.4 C (7.9 F)	36 years	22 of 100 (Routine)
11 May 1931	Hay River, CA	daily high min	6.7 C (44.1 F)	4.5 C (8.1 F)	34 years	21 of 100 (Routine)
11 May 1931	Portland Rfc City, US	daily high min	15.6 C (60.1 F)	2.3 C (4.1 F)	29 years	21 of 100 (Routine)
11 May 1931	Ardrossan, AU	daily rain	10.7 mm (0.4 in)	2.6 mm (0.10 in)	42 years	20 of 100 (Routine)
11 May 1931	Ivanhoe (Wokabity), AU	daily rain	10.4 mm (0.4 in)	0.7 mm (0.03 in)	46 years	20 of 100 (Routine)
11 May 1931	Yarmouth, CA	daily rain	22.4 mm (0.9 in)	2.8 mm (0.11 in)	42 years	20 of 100 (Routine)
11 May 1931	Orono, US	daily rain	21.8 mm (0.9 in)	14.7 mm (0.6 in)	14 years	20 of 100 (Routine)
11 May 1931	Oregon, US	daily low max	11.7 C (53.1 F)	3.9 C (7.0 F)	35 years	20 of 100 (Routine)
11 May 1931	Moorestown 4 E, US	daily rain	33.5 mm (1.3 in)	3.3 mm (0.13 in)	42 years	20 of 100 (Routine)
11 May 1931	Wickliffe, AU	daily rain	11.4 mm (0.4 in)	1.5 mm (0.06 in)	42 years	19 of 100 (Routine)
11 May 1931	Rani(Ranigoda), IN	daily rain	50.0 mm (2.0 in)	23.3 mm (0.9 in)	10 years	19 of 100 (Routine)
11 May 1931	Lawrence, US	daily low max	11.7 C (53.1 F)	4.4 C (7.9 F)	18 years	19 of 100 (Routine)
11 May 1931	Waterville Wwtp, US	daily low max	8.9 C (48.0 F)	3.9 C (7.0 F)	30 years	19 of 100 (Routine)
11 May 1931	Tecumseh 1S, US	daily low max	11.7 C (53.1 F)	3.3 C (5.9 F)	35 years	19 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 1931

Records set or tied on this calendar date in each year from 1814 to 1931. 1931 had 254 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 1931-05-11: 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 5	170
5 to 10	15
10 to 15	4
15 to 20	2
20 to 25	1
25 to 30	0
30 to 35	1