Weather Records on 11 May 1939

213 weather records were set or tied worldwide on 11 May 1939. Highest significance: Regensburg, DE.

Key Facts for 11 May 1939

On 11 May 1939, 213 weather records were set or tied at long-record stations worldwide.
85 were record highs and 46 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 2 monthly and 210 daily.
Regensburg set a daily record precipitation of 30.2 mm (1.2 in) on 11 May 1939.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 465 records.

Record Map

213 stations

213 station records on 11 May 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Regensburg	Germany	Record daily precipitation	30.2 mm (1.2 in)	57 of 100 (Notable)
Salekhard	Russia	Record daily precipitation	34.6 mm (1.4 in)	50 of 100 (Notable)
Mana 1026	United States	Record daily precipitation	36.1 mm (1.4 in)	44 of 100 (Notable)
Robben Island (Vrt)	South Africa	Record daily precipitation	41.7 mm (1.6 in)	41 of 100 (Notable)
Wupperthal	South Africa	Record daily precipitation	57.2 mm (2.3 in)	40 of 100 (Notable)
Kamiesberg	South Africa	Record daily precipitation	48.0 mm (1.9 in)	39 of 100 (Notable)
Cape Town Fire Station	South Africa	Record daily precipitation	50.0 mm (2.0 in)	38 of 100 (Notable)
Rawsonville (Pol)	South Africa	Record daily precipitation	53.3 mm (2.1 in)	28 of 100 (Routine)
Raiganj	India	Record daily precipitation	63.5 mm (2.5 in)	27 of 100 (Routine)
Kluitjeskraal (Bos)	South Africa	Record daily precipitation	33.0 mm (1.3 in)	27 of 100 (Routine)
Royal Observatory	South Africa	Record daily precipitation	43.2 mm (1.7 in)	26 of 100 (Routine)
Malmesbury	South Africa	Record daily precipitation	30.0 mm (1.2 in)	26 of 100 (Routine)
Poretskoye	Russia	Record low maximum temperature	3.4 C (38.1 F)	25 of 100 (Routine)
Blanco	United States	Record high maximum temperature	38.3 C (100.9 F)	24 of 100 (Routine)
Hobart (Ellerslie Road)	Australia	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Cambridge	United States	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Tuba City	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Hillmoor	South Africa	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Springbok	South Africa	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Sterkstroom (Pol)	South Africa	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Middleburg	South Africa	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Syfergat (Sar)	South Africa	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Kulasekarapatnam	India	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Caledon (Pol)	South Africa	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Crawley	South Africa	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Kareekloof	South Africa	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Cradock	South Africa	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
De Aar	South Africa	Record daily precipitation	10.7 mm (0.4 in)	20 of 100 (Routine)
San Jacinto	United States	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Kahuku 912	United States	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Surgut	Russia	Record daily precipitation	9.3 mm (0.37 in)	20 of 100 (Routine)
Hopefield (Pol)	South Africa	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Grove Farm 1021	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high minimum temperature	4.5 C (40.1 F)	20 of 100 (Routine)
Goldberg	Germany	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
Atyrau	Kazakhstan	Record low minimum temperature	2.3 C (36.1 F)	20 of 100 (Routine)
Welbedacht	South Africa	Record daily precipitation	30.2 mm (1.2 in)	20 of 100 (Routine)
St Albans	Canada	Record low minimum temperature	-7.2 C (19.0 F)	19 of 100 (Routine)
Brockton	United States	Record high minimum temperature	15.6 C (60.1 F)	19 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	16.8 C (62.2 F)	18 of 100 (Routine)
Itahar	India	Record daily precipitation	47.0 mm (1.9 in)	18 of 100 (Routine)
Yardley Chase	South Africa	Record daily precipitation	18.5 mm (0.7 in)	18 of 100 (Routine)
The Cliff	South Africa	Record daily precipitation	18.0 mm (0.7 in)	18 of 100 (Routine)
Berkeley	United States	Record low maximum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
Los Alamos	United States	Record daily precipitation	1.3 mm (0.05 in)	18 of 100 (Routine)
Langdon Exp Farm	United States	Record low minimum temperature	-7.2 C (19.0 F)	18 of 100 (Routine)
Vernal	United States	Record daily precipitation	10.2 mm (0.4 in)	18 of 100 (Routine)
Hakalau 142	United States	Record high maximum temperature	31.1 C (88.0 F)	18 of 100 (Routine)
Koloa 936	United States	Record high maximum temperature	29.4 C (84.9 F)	18 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	8.1 mm (0.32 in)	17 of 100 (Routine)
Madhubani	India	Record daily precipitation	41.4 mm (1.6 in)	17 of 100 (Routine)
Hiranpur	India	Record daily precipitation	31.5 mm (1.2 in)	17 of 100 (Routine)
Kazan	Russia	Record low minimum temperature	-1.9 C (28.6 F)	17 of 100 (Routine)
Vrugbaar	South Africa	Record daily precipitation	41.7 mm (1.6 in)	17 of 100 (Routine)
Osceola	United States	Record daily precipitation	37.6 mm (1.5 in)	17 of 100 (Routine)
Ada	United States	Record low minimum temperature	-5.0 C (23.0 F)	17 of 100 (Routine)
Parsons 3 SE	United States	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Wolfville	Canada	Record high maximum temperature	24.4 C (75.9 F)	16 of 100 (Routine)
Astana	Kazakhstan	Record high minimum temperature	10.9 C (51.6 F)	16 of 100 (Routine)

Counts by Type and Timescale

213 records

Records set or tied on 11 May 1939 by type: Highest daily maximum 54, Lowest daily maximum 14, Highest daily minimum 31, Lowest daily minimum 32, Heaviest daily rainfall 82.

Records on 11 May 1939 by type
Record type	Records
Highest daily maximum	54
Lowest daily maximum	14
Highest daily minimum	31
Lowest daily minimum	32
Heaviest daily rainfall	82
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 May 1939 by timescale: all-time 1, monthly 2, daily 210.

How Much Records Were Beaten By

164 broken records

Margins by which the 164 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.9. Ties are not counted.

Top 20 by Significance

11 May 1939

Top 20 records on 11 May 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1939	Regensburg, DE	daily rain	30.2 mm (1.2 in)	19.7 mm (0.8 in)	40 years	57 of 100 (Notable)
11 May 1939	Salekhard, RU	monthly rain	34.6 mm (1.4 in)	9.5 mm (0.37 in)	23 years	50 of 100 (Notable)
11 May 1939	Mana 1026, US	daily rain	36.1 mm (1.4 in)	33.6 mm (1.3 in)	6 years	44 of 100 (Notable)
11 May 1939	Robben Island (Vrt), ZA	daily rain	41.7 mm (1.6 in)	20.1 mm (0.8 in)	37 years	41 of 100 (Notable)
11 May 1939	Wupperthal, ZA	monthly rain	57.2 mm (2.3 in)	11.2 mm (0.4 in)	45 years	40 of 100 (Notable)
11 May 1939	Kamiesberg, ZA	daily rain	48.0 mm (1.9 in)	32.8 mm (1.3 in)	12 years	39 of 100 (Notable)
11 May 1939	Cape Town Fire Station, ZA	daily rain	50.0 mm (2.0 in)	28.2 mm (1.1 in)	12 years	38 of 100 (Notable)
11 May 1939	Rawsonville (Pol), ZA	daily rain	53.3 mm (2.1 in)	24.1 mm (0.9 in)	32 years	28 of 100 (Routine)
11 May 1939	Raiganj, IN	daily rain	63.5 mm (2.5 in)	43.9 mm (1.7 in)	9 years	27 of 100 (Routine)
11 May 1939	Kluitjeskraal (Bos), ZA	daily rain	33.0 mm (1.3 in)	14.7 mm (0.6 in)	40 years	27 of 100 (Routine)
11 May 1939	Royal Observatory, ZA	daily rain	43.2 mm (1.7 in)	13.5 mm (0.5 in)	12 years	26 of 100 (Routine)
11 May 1939	Malmesbury, ZA	daily rain	30.0 mm (1.2 in)	3.3 mm (0.13 in)	55 years	26 of 100 (Routine)
11 May 1939	Poretskoye, RU	daily low max	3.4 C (38.1 F)	5.7 C (10.3 F)	42 years	25 of 100 (Routine)
11 May 1939	Blanco, US	daily high max	38.3 C (100.9 F)	3.9 C (7.0 F)	37 years	24 of 100 (Routine)
11 May 1939	Hobart (Ellerslie Road), AU	daily high min	13.3 C (55.9 F)	1.6 C (2.9 F)	43 years	23 of 100 (Routine)
11 May 1939	Cambridge, US	daily high min	13.3 C (55.9 F)	3.3 C (5.9 F)	38 years	23 of 100 (Routine)
11 May 1939	Tuba City, US	daily high min	16.7 C (62.1 F)	3.4 C (6.1 F)	32 years	22 of 100 (Routine)
11 May 1939	Hillmoor, ZA	daily rain	23.6 mm (0.9 in)	15.5 mm (0.6 in)	4 years	20 of 100 (Routine)
11 May 1939	Clanwilliam (Pol), ZA	daily rain	24.4 mm (1.0 in)	4.8 mm (0.19 in)	55 years	20 of 100 (Routine)
11 May 1939	Springbok, ZA	daily rain	16.8 mm (0.7 in)	4.9 mm (0.19 in)	59 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 1939

Records set or tied on this calendar date in each year from 1814 to 1939. 1939 had 213 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 1939-05-11: 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	140
10 to 20	17
20 to 30	4
30 to 40	2
40 to 50	1