Weather Records on 11 May 1911

99 weather records were set or tied worldwide on 11 May 1911. Highest significance: Winnipeg St Johns Coll, CA.

Key Facts for 11 May 1911

On 11 May 1911, 99 weather records were set or tied at long-record stations worldwide.
14 were record highs and 6 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 97 daily.
Winnipeg St Johns Coll set a monthly record daily precipitation of 71.1 mm (2.8 in) on 11 May 1911.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 466 records.

Record Map

99 stations

99 station records on 11 May 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1911: highest significance records shown on the map
Station	Country	Type	Value	Significance
Winnipeg St Johns Coll	Canada	Record daily precipitation	71.1 mm (2.8 in)	60 of 100 (Major)
Moruya Heads Pilot Station	Australia	Record daily precipitation	61.7 mm (2.4 in)	39 of 100 (Notable)
Maryland	Australia	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Bodalla Post Office	Australia	Record daily precipitation	62.2 mm (2.4 in)	35 of 100 (Notable)
Cobar (Paddington)	Australia	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Picton Council Depot	Australia	Record daily precipitation	31.5 mm (1.2 in)	27 of 100 (Routine)
Gunnee	Australia	Record daily precipitation	35.1 mm (1.4 in)	26 of 100 (Routine)
Emmaville (Strathbogie)	Australia	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Port Augusta Post Office	Australia	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Wentworth Post Office	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Cooma Lambie Street	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Tenterfield (Federation Park)	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Gulgong Post Office	Australia	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Currawinya	Australia	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
Poplitah	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Warraweena	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Collerina (Corrella)	Australia	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Dumble	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Narromine (Mumble Peg)	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Walcha Post Office	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Mudgee (George Street)	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Warialda Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	19 of 100 (Routine)
Belltrees 1	Australia	Record daily precipitation	10.2 mm (0.4 in)	19 of 100 (Routine)
Bega (Newtown Road)	Australia	Record daily precipitation	40.6 mm (1.6 in)	19 of 100 (Routine)
Stony Mountain	Canada	Record daily precipitation	65.0 mm (2.6 in)	19 of 100 (Routine)
Eremeran	Australia	Record daily precipitation	15.5 mm (0.6 in)	18 of 100 (Routine)
Barraba Post Office	Australia	Record daily precipitation	22.4 mm (0.9 in)	18 of 100 (Routine)
Bendemeer (Caroline St)	Australia	Record daily precipitation	12.7 mm (0.5 in)	18 of 100 (Routine)
Burrabogie	Australia	Record daily precipitation	8.9 mm (0.35 in)	18 of 100 (Routine)
Kerkwerve	Netherlands	Record daily precipitation	9.6 mm (0.38 in)	18 of 100 (Routine)
Roto Station	Australia	Record daily precipitation	9.7 mm (0.38 in)	17 of 100 (Routine)
Girilambone (Booroomugga)	Australia	Record daily precipitation	15.5 mm (0.6 in)	16 of 100 (Routine)
Burra Burra	Australia	Record daily precipitation	14.0 mm (0.6 in)	16 of 100 (Routine)
Bingara Post Office	Australia	Record daily precipitation	26.7 mm (1.1 in)	16 of 100 (Routine)
Llangollen	Australia	Record daily precipitation	17.5 mm (0.7 in)	16 of 100 (Routine)
Mount Victoria (Mt Victoria (S	Australia	Record daily precipitation	20.3 mm (0.8 in)	16 of 100 (Routine)
Oakey Creek	Australia	Record daily precipitation	17.8 mm (0.7 in)	16 of 100 (Routine)
Tranebjerg	Denmark	Record high minimum temperature	9.5 C (49.1 F)	16 of 100 (Routine)
Wentworth (Avoca)	Australia	Record daily precipitation	15.2 mm (0.6 in)	15 of 100 (Routine)
Charlton	Australia	Record daily precipitation	10.4 mm (0.4 in)	15 of 100 (Routine)
Yallaroi	Australia	Record daily precipitation	19.1 mm (0.8 in)	15 of 100 (Routine)
Boorolong	Australia	Record daily precipitation	18.0 mm (0.7 in)	15 of 100 (Routine)
Dartmouth	Australia	Record daily precipitation	12.2 mm (0.5 in)	15 of 100 (Routine)
Athol 1	Australia	Record daily precipitation	14.5 mm (0.6 in)	15 of 100 (Routine)
Arumpo	Australia	Record daily precipitation	11.4 mm (0.4 in)	14 of 100 (Routine)
Kallara	Australia	Record daily precipitation	2.0 mm (0.08 in)	14 of 100 (Routine)
Coonamble Comparison	Australia	Record daily precipitation	17.5 mm (0.7 in)	14 of 100 (Routine)
Gunnedah Pool	Australia	Record daily precipitation	19.8 mm (0.8 in)	14 of 100 (Routine)
Beatrice	Canada	Record high maximum temperature	27.2 C (81.0 F)	14 of 100 (Routine)
Conargo (Willurah)	Australia	Record daily precipitation	7.6 mm (0.30 in)	13 of 100 (Routine)
Concord	United States	Record high maximum temperature	33.3 C (91.9 F)	13 of 100 (Routine)
Dunlop	Australia	Record daily precipitation	0.5 mm (0.02 in)	12 of 100 (Routine)
Inverell Comparison	Australia	Record daily precipitation	22.9 mm (0.9 in)	12 of 100 (Routine)
Coonabarabran (Namoi Street)	Australia	Record daily precipitation	18.3 mm (0.7 in)	12 of 100 (Routine)
Yamma	Australia	Record daily precipitation	3.3 mm (0.13 in)	12 of 100 (Routine)
Lindsay	Canada	Record high maximum temperature	28.9 C (84.0 F)	12 of 100 (Routine)
Gnalta	Australia	Record daily precipitation	6.1 mm (0.24 in)	11 of 100 (Routine)
Mount Poole	Australia	Record daily precipitation	6.1 mm (0.24 in)	11 of 100 (Routine)
Bourke Post Office	Australia	Record low maximum temperature	13.6 C (56.5 F)	11 of 100 (Routine)

Counts by Type and Timescale

99 records

Records set or tied on 11 May 1911 by type: Highest daily maximum 12, Lowest daily maximum 1, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 78, Heaviest daily snowfall 1.

Records on 11 May 1911 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	1
Highest daily minimum	2
Lowest daily minimum	5
Heaviest daily rainfall	78
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 11 May 1911 by timescale: all-time 0, monthly 2, daily 97.

How Much Records Were Beaten By

90 broken records

Margins by which the 90 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.4. Ties are not counted.

Top 20 by Significance

11 May 1911

Top 20 records on 11 May 1911 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1911	Winnipeg St Johns Coll, CA	monthly rain	71.1 mm (2.8 in)	26.9 mm (1.1 in)	33 years	60 of 100 (Major)
11 May 1911	Moruya Heads Pilot Station, AU	daily rain	61.7 mm (2.4 in)	52.0 mm (2.0 in)	20 years	39 of 100 (Notable)
11 May 1911	Maryland, AU	daily rain	26.4 mm (1.0 in)	21.8 mm (0.9 in)	31 years	36 of 100 (Notable)
11 May 1911	Bodalla Post Office, AU	daily rain	62.2 mm (2.4 in)	57.4 mm (2.3 in)	30 years	35 of 100 (Notable)
11 May 1911	Cobar (Paddington), AU	daily rain	31.0 mm (1.2 in)	21.3 mm (0.8 in)	26 years	30 of 100 (Routine)
11 May 1911	Picton Council Depot, AU	daily rain	31.5 mm (1.2 in)	22.1 mm (0.9 in)	26 years	27 of 100 (Routine)
11 May 1911	Gunnee, AU	daily rain	35.1 mm (1.4 in)	14.8 mm (0.6 in)	31 years	26 of 100 (Routine)
11 May 1911	Emmaville (Strathbogie), AU	daily rain	26.7 mm (1.1 in)	21.9 mm (0.9 in)	17 years	24 of 100 (Routine)
11 May 1911	Port Augusta Post Office, AU	daily rain	23.9 mm (0.9 in)	19.3 mm (0.8 in)	4 years	20 of 100 (Routine)
11 May 1911	Wentworth Post Office, AU	daily rain	21.3 mm (0.8 in)	9.6 mm (0.38 in)	36 years	20 of 100 (Routine)
11 May 1911	Armidale (Radio Station 2Ad), AU	daily rain	17.5 mm (0.7 in)	6.3 mm (0.25 in)	52 years	20 of 100 (Routine)
11 May 1911	Cooma Lambie Street, AU	daily rain	13.5 mm (0.5 in)	5.9 mm (0.23 in)	52 years	20 of 100 (Routine)
11 May 1911	Tenterfield (Federation Park), AU	daily rain	16.8 mm (0.7 in)	8.7 mm (0.34 in)	36 years	20 of 100 (Routine)
11 May 1911	Gulgong Post Office, AU	daily rain	19.8 mm (0.8 in)	16.0 mm (0.6 in)	23 years	20 of 100 (Routine)
11 May 1911	Currawinya, AU	daily rain	10.7 mm (0.4 in)	10.7 mm (0.4 in)	30 years	20 of 100 (Routine)
11 May 1911	Poplitah, AU	daily rain	21.6 mm (0.9 in)	12.2 mm (0.5 in)	22 years	20 of 100 (Routine)
11 May 1911	Warraweena, AU	daily rain	14.0 mm (0.6 in)	8.7 mm (0.34 in)	26 years	20 of 100 (Routine)
11 May 1911	Collerina (Corrella), AU	daily rain	7.6 mm (0.30 in)	7.6 mm (0.30 in)	31 years	20 of 100 (Routine)
11 May 1911	Dumble, AU	daily rain	11.9 mm (0.5 in)	11.1 mm (0.4 in)	14 years	20 of 100 (Routine)
11 May 1911	Narromine (Mumble Peg), AU	daily rain	18.0 mm (0.7 in)	10.6 mm (0.4 in)	26 years	20 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 1911

Records set or tied on this calendar date in each year from 1814 to 1911. 1911 had 99 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 1911-05-11: 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).

Histogram of margins by which records were beaten on 11 May 1911
Margin	Records
0 to 10	67
10 to 20	15
20 to 30	5
30 to 40	1
40 to 50	0
50 to 60	2