Weather Records on 18 May 1941

334 weather records were set or tied worldwide on 18 May 1941. Highest significance: Supa, IN.

Key Facts for 18 May 1941

On 18 May 1941, 334 weather records were set or tied at long-record stations worldwide.
121 were record highs and 119 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 329 daily.
Supa set a daily record precipitation of 57.7 mm (2.3 in) on 18 May 1941.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 443 records.

Record Map

334 stations

334 station records on 18 May 1941 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 1941: highest significance records shown on the map
Station	Country	Type	Value	Significance
Supa	India	Record daily precipitation	57.7 mm (2.3 in)	51 of 100 (Notable)
Saundatti	India	Record daily precipitation	51.1 mm (2.0 in)	50 of 100 (Notable)
Fichtelberg	Germany	Record snow depth	90.0 cm (35.4 in)	40 of 100 (Notable)
Haliyal	India	Record daily precipitation	76.2 mm (3.0 in)	40 of 100 (Notable)
Levan	United States	Record daily snowfall	12.7 cm (5.0 in)	35 of 100 (Notable)
Tasgaon	India	Record daily precipitation	36.1 mm (1.4 in)	32 of 100 (Routine)
Forbes (Camp Street)	Australia	Record low minimum temperature	-1.0 C (30.2 F)	29 of 100 (Routine)
Sandvig	Denmark	Record low minimum temperature	0.2 C (32.4 F)	29 of 100 (Routine)
Chandgad	India	Record daily precipitation	41.1 mm (1.6 in)	28 of 100 (Routine)
Hakalau 142	United States	Record daily precipitation	57.7 mm (2.3 in)	28 of 100 (Routine)
Manati 2 E	Puerto Rico [United States]	Record high maximum temperature	37.2 C (99.0 F)	27 of 100 (Routine)
Sveg	Sweden	Record low minimum temperature	-9.3 C (15.3 F)	26 of 100 (Routine)
Virginia City	United States	Record daily snowfall	19.1 cm (7.5 in)	26 of 100 (Routine)
Dharmasala	India	Record daily precipitation	55.1 mm (2.2 in)	25 of 100 (Routine)
Rajakkamangalam	India	Record daily precipitation	55.9 mm (2.2 in)	25 of 100 (Routine)
Vastervik	Sweden	Record low minimum temperature	-0.1 C (31.8 F)	25 of 100 (Routine)
Ada	United States	Record high minimum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Laramie	United States	Record high minimum temperature	10.6 C (51.1 F)	25 of 100 (Routine)
Basudevpur (Eram)	India	Record daily precipitation	45.5 mm (1.8 in)	24 of 100 (Routine)
McGill	United States	Record low maximum temperature	3.3 C (37.9 F)	24 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Gadhinglaj	India	Record daily precipitation	77.2 mm (3.0 in)	23 of 100 (Routine)
McGill	United States	Record low minimum temperature	-3.9 C (25.0 F)	23 of 100 (Routine)
Russell	Canada	Record high maximum temperature	31.1 C (88.0 F)	22 of 100 (Routine)
Khapari	India	Record daily precipitation	25.4 mm (1.0 in)	22 of 100 (Routine)
Boras	Sweden	Record low minimum temperature	-3.5 C (25.7 F)	22 of 100 (Routine)
Prineville	United States	Record low maximum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Norway House	Canada	Record high maximum temperature	31.1 C (88.0 F)	21 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	0.0 C (32.0 F)	21 of 100 (Routine)
Green Rvr	United States	Record high minimum temperature	10.0 C (50.0 F)	21 of 100 (Routine)
Dhandaus	India	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Gandai	India	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Khairagarh	India	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Mandla	India	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Tirora	India	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Purwa	India	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Carlsbad	United States	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Ettrick	Australia	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Bezenchuk	Russia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Anticosti SW Point	Canada	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Balaghat	India	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Lanji	India	Record daily precipitation	9.4 mm (0.37 in)	20 of 100 (Routine)
Moose Jaw Chab	Canada	Record high minimum temperature	13.9 C (57.0 F)	20 of 100 (Routine)
Brandon Cda	Canada	Record high maximum temperature	34.4 C (93.9 F)	20 of 100 (Routine)
Tasiilaq	Greenland [Denmark]	Record high maximum temperature	14.0 C (57.2 F)	20 of 100 (Routine)
Bijapur	India	Record daily precipitation	27.4 mm (1.1 in)	20 of 100 (Routine)
Ghorajheri	India	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Chhibramau	India	Record daily precipitation	4.1 mm (0.16 in)	20 of 100 (Routine)
Valley Head	United States	Record high minimum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Hallock	United States	Record high minimum temperature	20.0 C (68.0 F)	20 of 100 (Routine)
Ft Stanton	United States	Record high minimum temperature	12.8 C (55.0 F)	20 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	32.8 C (91.0 F)	19 of 100 (Routine)
Dauphin	Canada	Record high maximum temperature	33.9 C (93.0 F)	19 of 100 (Routine)
Point Escuminac	Canada	Record daily precipitation	28.4 mm (1.1 in)	19 of 100 (Routine)
Indi	India	Record daily precipitation	10.2 mm (0.4 in)	19 of 100 (Routine)
Shahpura	India	Record daily precipitation	16.8 mm (0.7 in)	19 of 100 (Routine)
Armori	India	Record daily precipitation	2.0 mm (0.08 in)	19 of 100 (Routine)
Delta	United States	Record high minimum temperature	11.1 C (52.0 F)	19 of 100 (Routine)
Delphi 2 N	United States	Record low minimum temperature	1.1 C (34.0 F)	19 of 100 (Routine)
Jamestown State Hosp	United States	Record high maximum temperature	33.3 C (91.9 F)	19 of 100 (Routine)

Counts by Type and Timescale

334 records

Records set or tied on 18 May 1941 by type: Highest daily maximum 53, Lowest daily maximum 24, Highest daily minimum 68, Lowest daily minimum 95, Heaviest daily rainfall 91, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 18 May 1941 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	24
Highest daily minimum	68
Lowest daily minimum	95
Heaviest daily rainfall	91
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 18 May 1941 by timescale: all-time 0, monthly 5, daily 329.

How Much Records Were Beaten By

256 broken records

Margins by which the 256 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 500.0. Ties are not counted.

Top 20 by Significance

18 May 1941

Top 20 records on 18 May 1941 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 1941	Supa, IN	daily rain	57.7 mm (2.3 in)	44.5 mm (1.8 in)	24 years	51 of 100 (Notable)
18 May 1941	Saundatti, IN	daily rain	51.1 mm (2.0 in)	43.0 mm (1.7 in)	40 years	50 of 100 (Notable)
18 May 1941	Fichtelberg, DE	daily snow depth	90.0 cm (35.4 in)	50.0 cm (19.7 in)	45 years	40 of 100 (Notable)
18 May 1941	Haliyal, IN	daily rain	76.2 mm (3.0 in)	48.0 mm (1.9 in)	6 years	40 of 100 (Notable)
18 May 1941	Levan, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	38 years	35 of 100 (Notable)
18 May 1941	Tasgaon, IN	daily rain	36.1 mm (1.4 in)	23.4 mm (0.9 in)	34 years	32 of 100 (Routine)
18 May 1941	Forbes (Camp Street), AU	daily low min	-1.0 C (30.2 F)	2.1 C (3.8 F)	58 years	29 of 100 (Routine)
18 May 1941	Sandvig, DK	daily low min	0.2 C (32.4 F)	1.1 C (2.0 F)	63 years	29 of 100 (Routine)
18 May 1941	Chandgad, IN	daily rain	41.1 mm (1.6 in)	17.7 mm (0.7 in)	32 years	28 of 100 (Routine)
18 May 1941	Hakalau 142, US	daily rain	57.7 mm (2.3 in)	27.2 mm (1.1 in)	27 years	28 of 100 (Routine)
18 May 1941	Manati 2 E, PR	monthly high max	37.2 C (99.0 F)	0.5 C (0.9 F)	37 years	27 of 100 (Routine)
18 May 1941	Sveg, SE	daily low min	-9.3 C (15.3 F)	2.3 C (4.1 F)	48 years	26 of 100 (Routine)
18 May 1941	Virginia City, US	daily snowfall	19.1 cm (7.5 in)	14.0 cm (5.5 in)	3 years	26 of 100 (Routine)
18 May 1941	Dharmasala, IN	daily rain	55.1 mm (2.2 in)	17.8 mm (0.7 in)	32 years	25 of 100 (Routine)
18 May 1941	Rajakkamangalam, IN	daily rain	55.9 mm (2.2 in)	30.5 mm (1.2 in)	23 years	25 of 100 (Routine)
18 May 1941	Vastervik, SE	daily low min	-0.1 C (31.8 F)	1.1 C (2.0 F)	55 years	25 of 100 (Routine)
18 May 1941	Ada, US	daily high min	17.2 C (63.0 F)	4.4 C (7.9 F)	43 years	25 of 100 (Routine)
18 May 1941	Laramie, US	daily high min	10.6 C (51.1 F)	2.3 C (4.1 F)	47 years	25 of 100 (Routine)
18 May 1941	Basudevpur (Eram), IN	daily rain	45.5 mm (1.8 in)	24.2 mm (1.0 in)	35 years	24 of 100 (Routine)
18 May 1941	McGill, US	daily low max	3.3 C (37.9 F)	7.8 C (14.0 F)	20 years	24 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

1796 to 1941

Records set or tied on this calendar date in each year from 1796 to 1941. 1941 had 334 records.

Counts for years before the ledger starts come from the same station rules.

Records on 05-18 in each year
Year	Records
1796	1
1798	1
1802	2
1832	1
1833	1
1845	1
1847	1
1848	1
1855	1
1859	1
1861	2
1863	3
1864	1
1866	2
1868	2
1869	1
1870	1
1871	2
1872	1
1874	2
1877	4
1878	1
1879	1
1881	1
1883	2
1884	2
1885	1
1887	1
1888	4
1889	2
1891	1
1893	2
1894	4
1895	5
1896	2
1897	2
1898	1
1899	1
1900	13
1901	6
1902	9
1903	7
1904	11
1905	2
1906	24
1907	18
1908	5
1909	12
1910	50
1911	64
1912	5
1913	11
1914	45
1915	55
1916	74
1917	30
1918	42
1919	30
1920	26
1921	41
1922	33
1923	61
1924	92
1925	220
1926	133
1927	180
1928	160
1929	193
1930	475
1931	191
1932	460
1933	380
1934	390
1935	400
1936	282
1937	348
1938	382
1939	169
1940	315
1941	334
1942	421
1943	744
1944	496
1945	706
1946	651
1947	231
1948	426
1949	597
1950	473
1951	279
1952	493
1953	393
1954	498
1955	848
1956	795
1957	595
1958	334
1959	435
1960	404
1961	187
1962	1,199
1963	477
1964	329
1965	345
1966	438
1967	410
1968	817
1969	865
1970	703
1971	666
1972	499
1973	1,233
1974	1,097
1975	383
1976	733
1977	1,126
1978	1,090
1979	399
1980	614
1981	1,218
1982	452
1983	1,093
1984	717
1985	498
1986	1,131
1987	823
1988	1,154
1989	721
1990	753
1991	1,218
1992	921
1993	707
1994	1,015
1995	1,849
1996	1,767
1997	1,115
1998	1,060
1999	584
2000	922
2001	898
2002	1,833
2003	1,270
2004	847
2005	630
2006	1,493
2007	1,133
2008	999
2009	1,368
2010	894
2011	1,406
2012	523
2013	816
2014	609
2015	785
2016	597
2017	1,855
2018	557
2019	810
2020	706
2021	418
2022	711
2023	554
2024	551
2025	619
2026	1,131

Download the Data

Data for records on 1941-05-18: 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 100	253
100 to 200	2
200 to 300	0
300 to 400	0
400 to 500	1