Weather Records on 11 May 1938

141 weather records were set or tied worldwide on 11 May 1938. Highest significance: Insikeni (Bos), ZA.

Key Facts for 11 May 1938

On 11 May 1938, 141 weather records were set or tied at long-record stations worldwide.
17 were record highs and 52 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 138 daily.
Insikeni (Bos) set a daily record precipitation of 59.9 mm (2.4 in) on 11 May 1938.
Across 156 earlier years (1814 to 2026) the same calendar date averaged 465 records.

Record Map

141 stations

141 station records on 11 May 1938 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 May 1938: highest significance records shown on the map
Station	Country	Type	Value	Significance
Insikeni (Bos)	South Africa	Record daily precipitation	59.9 mm (2.4 in)	47 of 100 (Notable)
Laurieton (Elouera St)	Australia	Record daily precipitation	79.0 mm (3.1 in)	39 of 100 (Notable)
Bolangir	India	Record daily precipitation	51.1 mm (2.0 in)	37 of 100 (Notable)
Hilo 86A	United States	Record daily precipitation	64.0 mm (2.5 in)	35 of 100 (Notable)
Forster - Tuncurry R.V.C.P.	Australia	Record daily precipitation	74.4 mm (2.9 in)	34 of 100 (Routine)
Simcoe	Canada	Record low minimum temperature	-1.7 C (28.9 F)	29 of 100 (Routine)
Sfax El-Maou	Tunisia	Record low maximum temperature	16.0 C (60.8 F)	27 of 100 (Routine)
Tashkent	Uzbekistan	Record high minimum temperature	18.3 C (64.9 F)	25 of 100 (Routine)
Palkot	India	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Ranpur	India	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Barabazar	India	Record daily precipitation	28.4 mm (1.1 in)	23 of 100 (Routine)
Honohina 137	United States	Record daily precipitation	53.8 mm (2.1 in)	22 of 100 (Routine)
Poonch	India	Record daily precipitation	41.7 mm (1.6 in)	21 of 100 (Routine)
Beaumont City	United States	Record low minimum temperature	10.6 C (51.1 F)	21 of 100 (Routine)
Waraseoni	India	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Touchet	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Glendive	United States	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Chandur Bazar	India	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Hermiston 1 SE	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Dongargarh	India	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Landsburg	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Khunti	India	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Albany	Australia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Glenfield (Macquarie)	Australia	Record daily precipitation	2.3 mm (0.09 in)	20 of 100 (Routine)
Kovvur	India	Record daily precipitation	38.1 mm (1.5 in)	20 of 100 (Routine)
Manginapudi	India	Record daily precipitation	32.5 mm (1.3 in)	20 of 100 (Routine)
Raipur	India	Record daily precipitation	41.1 mm (1.6 in)	20 of 100 (Routine)
Port Townsend	United States	Record low maximum temperature	10.6 C (51.1 F)	20 of 100 (Routine)
Ridgetown	Canada	Record low maximum temperature	9.4 C (48.9 F)	19 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record low minimum temperature	-4.8 C (23.4 F)	19 of 100 (Routine)
Bulken	Norway	Record snow depth	3.0 cm (1.2 in)	19 of 100 (Routine)
Briksdal	Norway	Record daily precipitation	14.5 mm (0.6 in)	19 of 100 (Routine)
Huntsville	Canada	Record low maximum temperature	2.2 C (36.0 F)	18 of 100 (Routine)
Ostas I Hegra	Norway	Record daily precipitation	18.6 mm (0.7 in)	18 of 100 (Routine)
Moxee	United States	Record daily precipitation	2.8 mm (0.11 in)	18 of 100 (Routine)
Quatsino	Canada	Record daily precipitation	12.7 mm (0.5 in)	17 of 100 (Routine)
Rajahmundry	India	Record daily precipitation	31.8 mm (1.3 in)	17 of 100 (Routine)
Katangi	India	Record daily precipitation	12.7 mm (0.5 in)	17 of 100 (Routine)
Hovlandsdal	Norway	Record daily precipitation	32.1 mm (1.3 in)	17 of 100 (Routine)
Chardzhev	Turkmenistan	Record high minimum temperature	22.0 C (71.6 F)	17 of 100 (Routine)
Purdum	United States	Record daily precipitation	33.8 mm (1.3 in)	17 of 100 (Routine)
Bella Coola	Canada	Record daily precipitation	18.0 mm (0.7 in)	16 of 100 (Routine)
Port Dover	Canada	Record low minimum temperature	-5.0 C (23.0 F)	16 of 100 (Routine)
Durg(Drug)	India	Record daily precipitation	6.4 mm (0.25 in)	16 of 100 (Routine)
Chindwara	India	Record daily precipitation	8.1 mm (0.32 in)	16 of 100 (Routine)
Kamakhyanagar	India	Record daily precipitation	27.4 mm (1.1 in)	16 of 100 (Routine)
Den Helder-1	Netherlands	Record low minimum temperature	-1.4 C (29.5 F)	16 of 100 (Routine)
Sulitjelma	Norway	Record daily precipitation	18.0 mm (0.7 in)	16 of 100 (Routine)
Springview 2NW	United States	Record daily precipitation	40.6 mm (1.6 in)	16 of 100 (Routine)
Sedro-Woolley	United States	Record daily precipitation	16.3 mm (0.6 in)	16 of 100 (Routine)
Farmington	United States	Record daily precipitation	29.7 mm (1.2 in)	15 of 100 (Routine)
Hart 3 WSW	United States	Record low minimum temperature	-3.9 C (25.0 F)	15 of 100 (Routine)
Addison	United States	Record low maximum temperature	5.0 C (41.0 F)	15 of 100 (Routine)
Bremen-Seefahrtschule	Germany	Record low minimum temperature	-2.5 C (27.5 F)	14 of 100 (Routine)
Sohagpur	India	Record daily precipitation	2.0 mm (0.08 in)	14 of 100 (Routine)
Ghatal	India	Record daily precipitation	17.8 mm (0.7 in)	14 of 100 (Routine)
Echo	United States	Record daily precipitation	7.9 mm (0.31 in)	14 of 100 (Routine)
Port Lincoln	Australia	Record high minimum temperature	17.2 C (63.0 F)	13 of 100 (Routine)
Atlin	Canada	Record daily precipitation	2.5 mm (0.10 in)	13 of 100 (Routine)
Wallaceburg	Canada	Record low maximum temperature	6.1 C (43.0 F)	13 of 100 (Routine)

Counts by Type and Timescale

141 records

Records set or tied on 11 May 1938 by type: Highest daily maximum 1, Lowest daily maximum 23, Highest daily minimum 16, Lowest daily minimum 29, Heaviest daily rainfall 71, Deepest snow cover 1.

Records on 11 May 1938 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	23
Highest daily minimum	16
Lowest daily minimum	29
Heaviest daily rainfall	71
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 11 May 1938 by timescale: all-time 0, monthly 3, daily 138.

How Much Records Were Beaten By

111 broken records

Margins by which the 111 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.6. Ties are not counted.

Top 20 by Significance

11 May 1938

Top 20 records on 11 May 1938 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 May 1938	Insikeni (Bos), ZA	daily rain	59.9 mm (2.4 in)	54.6 mm (2.1 in)	16 years	47 of 100 (Notable)
11 May 1938	Laurieton (Elouera St), AU	daily rain	79.0 mm (3.1 in)	53.9 mm (2.1 in)	38 years	39 of 100 (Notable)
11 May 1938	Bolangir, IN	daily rain	51.1 mm (2.0 in)	32.0 mm (1.3 in)	32 years	37 of 100 (Notable)
11 May 1938	Hilo 86A, US	daily rain	64.0 mm (2.5 in)	38.6 mm (1.5 in)	16 years	35 of 100 (Notable)
11 May 1938	Forster - Tuncurry R.V.C.P., AU	daily rain	74.4 mm (2.9 in)	52.3 mm (2.1 in)	12 years	34 of 100 (Routine)
11 May 1938	Simcoe, CA	daily low min	-1.7 C (28.9 F)	1.1 C (2.0 F)	69 years	29 of 100 (Routine)
11 May 1938	Sfax El-Maou, TN	daily low max	16.0 C (60.8 F)	3.0 C (5.4 F)	45 years	27 of 100 (Routine)
11 May 1938	Tashkent, UZ	daily high min	18.3 C (64.9 F)	1.6 C (2.9 F)	55 years	25 of 100 (Routine)
11 May 1938	Palkot, IN	daily rain	30.5 mm (1.2 in)	15.3 mm (0.6 in)	32 years	24 of 100 (Routine)
11 May 1938	Ranpur, IN	daily rain	50.8 mm (2.0 in)	33.5 mm (1.3 in)	4 years	24 of 100 (Routine)
11 May 1938	Barabazar, IN	daily rain	28.4 mm (1.1 in)	14.4 mm (0.6 in)	36 years	23 of 100 (Routine)
11 May 1938	Honohina 137, US	daily rain	53.8 mm (2.1 in)	20.0 mm (0.8 in)	29 years	22 of 100 (Routine)
11 May 1938	Poonch, IN	daily rain	41.7 mm (1.6 in)	15.0 mm (0.6 in)	20 years	21 of 100 (Routine)
11 May 1938	Beaumont City, US	daily low min	10.6 C (51.1 F)	2.7 C (4.9 F)	33 years	21 of 100 (Routine)
11 May 1938	Waraseoni, IN	daily rain	22.1 mm (0.9 in)	18.5 mm (0.7 in)	12 years	20 of 100 (Routine)
11 May 1938	Touchet, US	daily rain	12.2 mm (0.5 in)	9.7 mm (0.38 in)	23 years	20 of 100 (Routine)
11 May 1938	Glendive, US	daily rain	23.4 mm (0.9 in)	19.8 mm (0.8 in)	28 years	20 of 100 (Routine)
11 May 1938	Chandur Bazar, IN	daily rain	6.4 mm (0.25 in)	6.4 mm (0.25 in)	36 years	20 of 100 (Routine)
11 May 1938	Hermiston 1 SE, US	daily rain	12.2 mm (0.5 in)	6.4 mm (0.25 in)	23 years	20 of 100 (Routine)
11 May 1938	Dongargarh, IN	daily rain	20.3 mm (0.8 in)	16.2 mm (0.6 in)	20 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 1938

Records set or tied on this calendar date in each year from 1814 to 1938. 1938 had 141 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 1938-05-11: 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 1938
Margin	Records
0 to 10	87
10 to 20	14
20 to 30	3
30 to 40	4
40 to 50	0
50 to 60	3