Weather Records on 11 May 1929

126 weather records were set or tied worldwide on 11 May 1929. Highest significance: Owen Sound, CA.

Key Facts for 11 May 1929

On 11 May 1929, 126 weather records were set or tied at long-record stations worldwide.
33 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 124 daily.
Owen Sound set a daily record precipitation of 50.5 mm (2.0 in) on 11 May 1929.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 465 records.

Record Map

126 stations

126 station records on 11 May 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Owen Sound	Canada	Record daily precipitation	50.5 mm (2.0 in)	59 of 100 (Notable)
Southampton	Canada	Record daily precipitation	43.2 mm (1.7 in)	56 of 100 (Notable)
McPherson	United States	Record daily precipitation	73.7 mm (2.9 in)	46 of 100 (Notable)
Norman 3SSE	United States	Record daily precipitation	109.2 mm (4.3 in)	40 of 100 (Notable)
Carroll	United States	Record daily precipitation	71.1 mm (2.8 in)	39 of 100 (Notable)
Kansas City	United States	Record daily precipitation	66.0 mm (2.6 in)	38 of 100 (Notable)
Ness City	United States	Record daily precipitation	67.3 mm (2.6 in)	37 of 100 (Notable)
La Crosse River	United States	Record daily precipitation	36.1 mm (1.4 in)	37 of 100 (Notable)
Lakefield	Canada	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Hays 1 S	United States	Record daily precipitation	68.3 mm (2.7 in)	34 of 100 (Routine)
Jacksonville Wb City	United States	Record daily precipitation	52.1 mm (2.1 in)	31 of 100 (Routine)
Mosman (Bapaume Road)	Australia	Record daily precipitation	80.0 mm (3.1 in)	30 of 100 (Routine)
Garden City	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Medicine Lodge	United States	Record daily precipitation	46.5 mm (1.8 in)	29 of 100 (Routine)
Grayling	United States	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Cumbalum (Fairview)	Australia	Record daily precipitation	67.6 mm (2.7 in)	28 of 100 (Routine)
Lindsay	Canada	Record daily precipitation	30.0 mm (1.2 in)	28 of 100 (Routine)
Manistee 3SE	United States	Record daily precipitation	38.9 mm (1.5 in)	28 of 100 (Routine)
Tecumseh 1S	United States	Record daily precipitation	47.8 mm (1.9 in)	28 of 100 (Routine)
Bay City	United States	Record daily precipitation	36.8 mm (1.4 in)	27 of 100 (Routine)
Muskegon Co AP	United States	Record daily precipitation	36.1 mm (1.4 in)	26 of 100 (Routine)
Warrensburg 4NW	United States	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Beatrice	United States	Record daily precipitation	44.5 mm (1.8 in)	25 of 100 (Routine)
Columbia Wb City	United States	Record daily precipitation	51.8 mm (2.0 in)	24 of 100 (Routine)
Minneapolis	United States	Record daily precipitation	48.3 mm (1.9 in)	23 of 100 (Routine)
Nebraska City 1 NW	United States	Record daily precipitation	59.4 mm (2.3 in)	23 of 100 (Routine)
Orlando Executive AP	United States	Record daily precipitation	37.1 mm (1.5 in)	23 of 100 (Routine)
Table Rock 4N	United States	Record daily precipitation	39.6 mm (1.6 in)	22 of 100 (Routine)
Pimlico	Australia	Record daily precipitation	69.3 mm (2.7 in)	21 of 100 (Routine)
San Diego Wbo	United States	Record high maximum temperature	27.2 C (81.0 F)	21 of 100 (Routine)
Corning	United States	Record daily precipitation	58.4 mm (2.3 in)	21 of 100 (Routine)
Condobolin (Ringwood)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Paonia 1SW	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Burrawang South Station	Australia	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Yalgogrin North (Roloma)	Australia	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Halifax	Canada	Record high maximum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Thurman	United States	Record daily precipitation	47.2 mm (1.9 in)	20 of 100 (Routine)
Old Mission	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
W Pt	United States	Record daily precipitation	46.2 mm (1.8 in)	20 of 100 (Routine)
Yerevan	Armenia	Record high minimum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Forest City 2 NNE	United States	Record daily precipitation	37.1 mm (1.5 in)	19 of 100 (Routine)
Beloit	United States	Record daily precipitation	36.8 mm (1.4 in)	19 of 100 (Routine)
Waukomis	United States	Record daily precipitation	52.8 mm (2.1 in)	19 of 100 (Routine)
Warroo (Geeron)	Australia	Record daily precipitation	20.6 mm (0.8 in)	18 of 100 (Routine)
Bjuraker	Sweden	Record high minimum temperature	10.4 C (50.7 F)	18 of 100 (Routine)
Crescent City 3 NNW	United States	Record high minimum temperature	12.8 C (55.0 F)	18 of 100 (Routine)
Auburn 5 ESE	United States	Record daily precipitation	36.6 mm (1.4 in)	18 of 100 (Routine)
Cairns Post Office	Australia	Record low minimum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Big Rapids Wtp	United States	Record daily precipitation	66.5 mm (2.6 in)	17 of 100 (Routine)
Newport	United States	Record low maximum temperature	10.0 C (50.0 F)	17 of 100 (Routine)
Ballina (Crowley Village)	Australia	Record daily precipitation	59.9 mm (2.4 in)	16 of 100 (Routine)
Seal Rocks Camping Reserve	Australia	Record daily precipitation	49.5 mm (1.9 in)	16 of 100 (Routine)
Wiarton	Canada	Record daily precipitation	20.6 mm (0.8 in)	16 of 100 (Routine)
Nord-Rana	Norway	Record daily precipitation	19.5 mm (0.8 in)	16 of 100 (Routine)
Alma	United States	Record daily precipitation	31.0 mm (1.2 in)	16 of 100 (Routine)
Oconto 4 W	United States	Record daily precipitation	9.7 mm (0.38 in)	16 of 100 (Routine)
Mardie	Australia	Record daily precipitation	12.4 mm (0.5 in)	15 of 100 (Routine)
Byron Bay (Jacaranda Drive)	Australia	Record daily precipitation	36.8 mm (1.4 in)	15 of 100 (Routine)
Kapskarmo	Norway	Record daily precipitation	14.8 mm (0.6 in)	15 of 100 (Routine)
San Jose	United States	Record high maximum temperature	32.8 C (91.0 F)	15 of 100 (Routine)

Counts by Type and Timescale

126 records

Records set or tied on 11 May 1929 by type: Highest daily maximum 18, Lowest daily maximum 4, Highest daily minimum 15, Lowest daily minimum 9, Heaviest daily rainfall 79, Heaviest daily snowfall 1.

Records on 11 May 1929 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	4
Highest daily minimum	15
Lowest daily minimum	9
Heaviest daily rainfall	79
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 11 May 1929 by timescale: all-time 0, monthly 2, daily 124.

How Much Records Were Beaten By

102 broken records

Margins by which the 102 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

11 May 1929

Top 20 records on 11 May 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1929	Owen Sound, CA	daily rain	50.5 mm (2.0 in)	39.8 mm (1.6 in)	46 years	59 of 100 (Notable)
11 May 1929	Southampton, CA	daily rain	43.2 mm (1.7 in)	27.7 mm (1.1 in)	36 years	56 of 100 (Notable)
11 May 1929	McPherson, US	daily rain	73.7 mm (2.9 in)	44.2 mm (1.7 in)	20 years	46 of 100 (Notable)
11 May 1929	Norman 3SSE, US	daily rain	109.2 mm (4.3 in)	73.6 mm (2.9 in)	11 years	40 of 100 (Notable)
11 May 1929	Carroll, US	daily rain	71.1 mm (2.8 in)	35.5 mm (1.4 in)	35 years	39 of 100 (Notable)
11 May 1929	Kansas City, US	daily rain	66.0 mm (2.6 in)	49.5 mm (1.9 in)	0 years	38 of 100 (Notable)
11 May 1929	Ness City, US	daily rain	67.3 mm (2.6 in)	41.9 mm (1.6 in)	0 years	37 of 100 (Notable)
11 May 1929	La Crosse River, US	daily rain	36.1 mm (1.4 in)	21.9 mm (0.9 in)	40 years	37 of 100 (Notable)
11 May 1929	Lakefield, CA	daily rain	34.8 mm (1.4 in)	18.8 mm (0.7 in)	10 years	34 of 100 (Routine)
11 May 1929	Hays 1 S, US	daily rain	68.3 mm (2.7 in)	33.0 mm (1.3 in)	26 years	34 of 100 (Routine)
11 May 1929	Jacksonville Wb City, US	daily rain	52.1 mm (2.1 in)	25.7 mm (1.0 in)	40 years	31 of 100 (Routine)
11 May 1929	Mosman (Bapaume Road), AU	daily rain	80.0 mm (3.1 in)	48.5 mm (1.9 in)	8 years	30 of 100 (Routine)
11 May 1929	Garden City, US	daily rain	50.8 mm (2.0 in)	31.7 mm (1.2 in)	0 years	29 of 100 (Routine)
11 May 1929	Medicine Lodge, US	daily rain	46.5 mm (1.8 in)	35.1 mm (1.4 in)	7 years	29 of 100 (Routine)
11 May 1929	Grayling, US	daily rain	29.2 mm (1.1 in)	14.0 mm (0.6 in)	36 years	29 of 100 (Routine)
11 May 1929	Cumbalum (Fairview), AU	daily rain	67.6 mm (2.7 in)	37.1 mm (1.5 in)	30 years	28 of 100 (Routine)
11 May 1929	Lindsay, CA	daily rain	30.0 mm (1.2 in)	11.7 mm (0.5 in)	29 years	28 of 100 (Routine)
11 May 1929	Manistee 3SE, US	daily rain	38.9 mm (1.5 in)	13.2 mm (0.5 in)	35 years	28 of 100 (Routine)
11 May 1929	Tecumseh 1S, US	daily rain	47.8 mm (1.9 in)	28.7 mm (1.1 in)	26 years	28 of 100 (Routine)
11 May 1929	Bay City, US	daily rain	36.8 mm (1.4 in)	17.7 mm (0.7 in)	24 years	27 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 1929

Records set or tied on this calendar date in each year from 1814 to 1929. 1929 had 126 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 1929-05-11: 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	82
20 to 40	14
40 to 60	4
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	1