Weather Records on 30 May 1937

440 weather records were set or tied worldwide on 30 May 1937. Highest significance: Duchesne, US.

Key Facts for 30 May 1937

On 30 May 1937, 440 weather records were set or tied at long-record stations worldwide.
270 were record highs and 64 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 26 monthly and 414 daily.
Duchesne set a monthly record daily precipitation of 43.7 mm (1.7 in) on 30 May 1937.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 439 records.

Record Map

440 stations

440 station records on 30 May 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Duchesne	United States	Record daily precipitation	43.7 mm (1.7 in)	57 of 100 (Notable)
Hay Springs	United States	Record daily precipitation	56.6 mm (2.2 in)	52 of 100 (Notable)
Heber	United States	Record daily precipitation	43.7 mm (1.7 in)	51 of 100 (Notable)
Upper Shillong	India	Record daily precipitation	157.7 mm (6.2 in)	50 of 100 (Notable)
Childress 3 W	United States	Record daily precipitation	81.8 mm (3.2 in)	50 of 100 (Notable)
Norwich	United States	Record daily precipitation	84.8 mm (3.3 in)	49 of 100 (Notable)
Shillong	India	Record daily precipitation	143.3 mm (5.6 in)	46 of 100 (Notable)
Ft Duchesne	United States	Record daily precipitation	30.2 mm (1.2 in)	45 of 100 (Notable)
Jowai	India	Record daily precipitation	180.3 mm (7.1 in)	43 of 100 (Notable)
Mawphlang Obsy	India	Record daily precipitation	228.6 mm (9.0 in)	43 of 100 (Notable)
Manti	United States	Record daily precipitation	38.6 mm (1.5 in)	40 of 100 (Notable)
Ai-Petri	Ukraine	Record daily precipitation	27.6 mm (1.1 in)	39 of 100 (Notable)
Cherrapunji/P.S.	India	Record daily precipitation	429.3 mm (16.9 in)	37 of 100 (Notable)
Fullerton 1 ESE	United States	Record daily precipitation	54.9 mm (2.2 in)	37 of 100 (Notable)
Cherrapunji	India	Record daily precipitation	429.3 mm (16.9 in)	36 of 100 (Notable)
Anthony	United States	Record daily precipitation	86.9 mm (3.4 in)	35 of 100 (Notable)
Sagunbari	India	Record daily precipitation	63.0 mm (2.5 in)	34 of 100 (Routine)
Steamboat Springs	United States	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Camp Crook	United States	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Mt Hope	United States	Record daily precipitation	69.9 mm (2.8 in)	33 of 100 (Routine)
Winnemucca AP	United States	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
New England	United States	Record daily precipitation	28.7 mm (1.1 in)	31 of 100 (Routine)
Rochford 2 WNW	United States	Record daily precipitation	31.5 mm (1.2 in)	31 of 100 (Routine)
Levan	United States	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Logan Utah St UNIV	United States	Record daily precipitation	33.3 mm (1.3 in)	31 of 100 (Routine)
Savanne	Canada	Record high minimum temperature	16.1 C (61.0 F)	28 of 100 (Routine)
Briksdal	Norway	Record daily precipitation	25.5 mm (1.0 in)	28 of 100 (Routine)
Park Rapids Muni AP	United States	Record daily precipitation	49.5 mm (1.9 in)	28 of 100 (Routine)
Edgeley 3WNW	United States	Record daily precipitation	33.8 mm (1.3 in)	27 of 100 (Routine)
Windsor Kings College	Canada	Record high maximum temperature	28.3 C (82.9 F)	26 of 100 (Routine)
Bucuresti Filaret	Romania	Record daily precipitation	61.6 mm (2.4 in)	26 of 100 (Routine)
Greensboro	United States	Record high maximum temperature	36.7 C (98.1 F)	26 of 100 (Routine)
Quanah 2 SW	United States	Record daily precipitation	35.3 mm (1.4 in)	25 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	30.0 C (86.0 F)	24 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	30.7 C (87.3 F)	24 of 100 (Routine)
Hvar	Croatia	Record high minimum temperature	21.0 C (69.8 F)	24 of 100 (Routine)
Punganur	India	Record daily precipitation	56.9 mm (2.2 in)	24 of 100 (Routine)
Faulkton	United States	Record daily precipitation	43.2 mm (1.7 in)	24 of 100 (Routine)
Uluberia	India	Record daily precipitation	53.8 mm (2.1 in)	23 of 100 (Routine)
Coimbra	Portugal	Record high minimum temperature	21.5 C (70.7 F)	23 of 100 (Routine)
Port Arthur	Canada	Record daily precipitation	35.1 mm (1.4 in)	22 of 100 (Routine)
Mongpoo	India	Record daily precipitation	95.3 mm (3.8 in)	22 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high minimum temperature	18.9 C (66.0 F)	22 of 100 (Routine)
Ipswich	United States	Record daily precipitation	29.2 mm (1.1 in)	22 of 100 (Routine)
Miller	United States	Record daily precipitation	39.9 mm (1.6 in)	22 of 100 (Routine)
Le Bourget	France	Record high minimum temperature	17.8 C (64.0 F)	21 of 100 (Routine)
Darjeeling	India	Record daily precipitation	44.2 mm (1.7 in)	21 of 100 (Routine)
Oconto 4 W	United States	Record high maximum temperature	32.2 C (90.0 F)	21 of 100 (Routine)
Red Lodge	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Escondido	United States	Record daily precipitation	6.9 mm (0.27 in)	20 of 100 (Routine)
Claremont Pomona Clg	United States	Record daily precipitation	4.3 mm (0.17 in)	20 of 100 (Routine)
Banff	Canada	Record low minimum temperature	-3.3 C (26.1 F)	20 of 100 (Routine)
Mankachar	India	Record daily precipitation	183.6 mm (7.2 in)	20 of 100 (Routine)
Saentis	Switzerland	Record high maximum temperature	11.2 C (52.2 F)	20 of 100 (Routine)
American Falls 6 NE	United States	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
McGill	United States	Record low minimum temperature	-3.3 C (26.1 F)	20 of 100 (Routine)
Chugwater	United States	Record daily precipitation	24.6 mm (1.0 in)	20 of 100 (Routine)
Gumri	Armenia	Record low minimum temperature	-0.1 C (31.8 F)	19 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	11.7 C (53.1 F)	19 of 100 (Routine)
Barduar	India	Record daily precipitation	228.6 mm (9.0 in)	19 of 100 (Routine)

Counts by Type and Timescale

440 records

Records set or tied on 30 May 1937 by type: Highest daily maximum 104, Lowest daily maximum 33, Highest daily minimum 166, Lowest daily minimum 31, Heaviest daily rainfall 105, Heaviest daily snowfall 1.

Records on 30 May 1937 by type
Record type	Records
Highest daily maximum	104
Lowest daily maximum	33
Highest daily minimum	166
Lowest daily minimum	31
Heaviest daily rainfall	105
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 30 May 1937 by timescale: all-time 0, monthly 26, daily 414.

How Much Records Were Beaten By

322 broken records

Margins by which the 322 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 240.6. Ties are not counted.

Top 20 by Significance

30 May 1937

Top 20 records on 30 May 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 1937	Duchesne, US	monthly rain	43.7 mm (1.7 in)	23.4 mm (0.9 in)	15 years	57 of 100 (Notable)
30 May 1937	Hay Springs, US	daily rain	56.6 mm (2.2 in)	34.2 mm (1.3 in)	40 years	52 of 100 (Notable)
30 May 1937	Heber, US	daily rain	43.7 mm (1.7 in)	29.7 mm (1.2 in)	24 years	51 of 100 (Notable)
30 May 1937	Upper Shillong, IN	daily rain	157.7 mm (6.2 in)	123.4 mm (4.9 in)	24 years	50 of 100 (Notable)
30 May 1937	Childress 3 W, US	daily rain	81.8 mm (3.2 in)	69.1 mm (2.7 in)	23 years	50 of 100 (Notable)
30 May 1937	Norwich, US	daily rain	84.8 mm (3.3 in)	55.6 mm (2.2 in)	20 years	49 of 100 (Notable)
30 May 1937	Shillong, IN	daily rain	143.3 mm (5.6 in)	109.3 mm (4.3 in)	10 years	46 of 100 (Notable)
30 May 1937	Ft Duchesne, US	daily rain	30.2 mm (1.2 in)	28.2 mm (1.1 in)	2 years	45 of 100 (Notable)
30 May 1937	Jowai, IN	daily rain	180.3 mm (7.1 in)	123.1 mm (4.8 in)	0 years	43 of 100 (Notable)
30 May 1937	Mawphlang Obsy, IN	daily rain	228.6 mm (9.0 in)	165.1 mm (6.5 in)	2 years	43 of 100 (Notable)
30 May 1937	Manti, US	monthly rain	38.6 mm (1.5 in)	8.6 mm (0.34 in)	33 years	40 of 100 (Notable)
30 May 1937	Ai-Petri, UA	daily rain	27.6 mm (1.1 in)	17.9 mm (0.7 in)	31 years	39 of 100 (Notable)
30 May 1937	Cherrapunji/P.S., IN	daily rain	429.3 mm (16.9 in)	240.6 mm (9.5 in)	19 years	37 of 100 (Notable)
30 May 1937	Fullerton 1 ESE, US	daily rain	54.9 mm (2.2 in)	31.0 mm (1.2 in)	18 years	37 of 100 (Notable)
30 May 1937	Cherrapunji, IN	daily rain	429.3 mm (16.9 in)	239.3 mm (9.4 in)	19 years	36 of 100 (Notable)
30 May 1937	Anthony, US	daily rain	86.9 mm (3.4 in)	44.2 mm (1.7 in)	14 years	35 of 100 (Notable)
30 May 1937	Sagunbari, IN	daily rain	63.0 mm (2.5 in)	40.1 mm (1.6 in)	11 years	34 of 100 (Routine)
30 May 1937	Steamboat Springs, US	daily rain	26.9 mm (1.1 in)	15.5 mm (0.6 in)	20 years	34 of 100 (Routine)
30 May 1937	Camp Crook, US	daily rain	43.9 mm (1.7 in)	17.7 mm (0.7 in)	41 years	34 of 100 (Routine)
30 May 1937	Mt Hope, US	daily rain	69.9 mm (2.8 in)	28.2 mm (1.1 in)	28 years	33 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

1818 to 1937

Records set or tied on this calendar date in each year from 1818 to 1937. 1937 had 440 records.

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

Records on 05-30 in each year
Year	Records
1818	3
1844	1
1847	1
1848	1
1852	1
1853	1
1855	1
1856	1
1858	1
1860	2
1863	1
1864	1
1865	4
1867	1
1868	4
1870	1
1871	2
1873	4
1878	1
1879	1
1880	2
1881	1
1882	2
1883	1
1884	2
1885	1
1886	1
1887	1
1889	3
1890	1
1891	1
1892	2
1893	7
1894	2
1895	5
1896	1
1897	1
1898	2
1899	4
1900	1
1901	4
1902	9
1903	12
1904	7
1905	20
1906	8
1907	20
1908	32
1909	6
1910	22
1911	22
1912	26
1913	89
1914	25
1915	32
1916	41
1917	42
1918	31
1919	90
1920	28
1921	392
1922	72
1923	121
1924	187
1925	190
1926	201
1927	177
1928	86
1929	368
1930	530
1931	316
1932	256
1933	250
1934	731
1935	88
1936	579
1937	440
1938	309
1939	336
1940	289
1941	518
1942	500
1943	444
1944	325
1945	383
1946	310
1947	880
1948	386
1949	318
1950	376
1951	448
1952	295
1953	622
1954	271
1955	377
1956	466
1957	267
1958	480
1959	419
1960	274
1961	657
1962	454
1963	245
1964	709
1965	454
1966	326
1967	859
1968	357
1969	1,092
1970	483
1971	1,044
1972	721
1973	391
1974	631
1975	776
1976	499
1977	444
1978	888
1979	1,185
1980	650
1981	1,001
1982	981
1983	1,310
1984	2,543
1985	772
1986	1,264
1987	1,021
1988	1,371
1989	1,021
1990	983
1991	1,264
1992	1,413
1993	690
1994	834
1995	777
1996	893
1997	936
1998	1,190
1999	1,113
2000	1,391
2001	854
2002	940
2003	1,110
2004	1,219
2005	737
2006	1,179
2007	1,128
2008	829
2009	480
2010	771
2011	1,914
2012	720
2013	821
2014	551
2015	699
2016	540
2017	657
2018	1,319
2019	706
2020	920
2021	841
2022	1,034
2023	344
2024	600
2025	828
2026	525

Download the Data

Data for records on 1937-05-30: 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 50	313
50 to 100	3
100 to 150	3
150 to 200	1
200 to 250	2