Weather Records on 17 May 1930

421 weather records were set or tied worldwide on 17 May 1930. Highest significance: College STN 6 SW, US.

Key Facts for 17 May 1930

On 17 May 1930, 421 weather records were set or tied at long-record stations worldwide.
52 were record highs and 269 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 414 daily.
College STN 6 SW set a daily record precipitation of 109.7 mm (4.3 in) on 17 May 1930.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 434 records.

Record Map

421 stations

421 station records on 17 May 1930 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 May 1930: highest significance records shown on the map
Station	Country	Type	Value	Significance
College STN 6 SW	United States	Record daily precipitation	109.7 mm (4.3 in)	44 of 100 (Notable)
Minden	United States	Record daily precipitation	78.7 mm (3.1 in)	39 of 100 (Notable)
Stuttgart	United States	Record daily precipitation	79.8 mm (3.1 in)	38 of 100 (Notable)
Franklin	United States	Record daily precipitation	76.2 mm (3.0 in)	38 of 100 (Notable)
Kimball 2NE	United States	Record daily snowfall	11.4 cm (4.5 in)	36 of 100 (Notable)
Ft Collins	United States	Record daily precipitation	39.6 mm (1.6 in)	35 of 100 (Notable)
Leroy 5 WSW	United States	Record daily snowfall	10.2 cm (4.0 in)	34 of 100 (Routine)
Warren 2 ENE	United States	Record daily precipitation	61.0 mm (2.4 in)	33 of 100 (Routine)
Lodgepole	United States	Record low maximum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Wauneta	United States	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Gothenburg	United States	Record daily precipitation	33.3 mm (1.3 in)	30 of 100 (Routine)
Port Gibson 1 NE	United States	Record daily precipitation	73.4 mm (2.9 in)	29 of 100 (Routine)
Lamar	United States	Record daily precipitation	35.8 mm (1.4 in)	28 of 100 (Routine)
Imperial	United States	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record daily precipitation	26.4 mm (1.0 in)	28 of 100 (Routine)
W Pt	United States	Record low maximum temperature	8.3 C (46.9 F)	27 of 100 (Routine)
Crystal Springs Exp STN	United States	Record daily precipitation	73.7 mm (2.9 in)	26 of 100 (Routine)
Vicksburg	United States	Record daily precipitation	50.0 mm (2.0 in)	26 of 100 (Routine)
Tombstone	United States	Record low minimum temperature	3.3 C (37.9 F)	25 of 100 (Routine)
Tucson WFO	United States	Record low maximum temperature	21.1 C (70.0 F)	25 of 100 (Routine)
Gravette	United States	Record daily precipitation	66.8 mm (2.6 in)	25 of 100 (Routine)
Leroy 5 WSW	United States	Record low maximum temperature	5.6 C (42.1 F)	25 of 100 (Routine)
Yazoo City	United States	Record daily precipitation	58.9 mm (2.3 in)	25 of 100 (Routine)
Birch Tree	United States	Record daily precipitation	33.5 mm (1.3 in)	25 of 100 (Routine)
Hay Springs	United States	Record daily snowfall	6.4 cm (2.5 in)	25 of 100 (Routine)
Gothenburg	United States	Record daily snowfall	15.2 cm (6.0 in)	24 of 100 (Routine)
Kimball 2NE	United States	Record low maximum temperature	1.7 C (35.1 F)	24 of 100 (Routine)
Moose Factory	Canada	Record low maximum temperature	-1.7 C (28.9 F)	23 of 100 (Routine)
Camden 1	United States	Record daily precipitation	108.0 mm (4.3 in)	23 of 100 (Routine)
Greeley	United States	Record low maximum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Prescott 2 NNW	United States	Record daily precipitation	114.8 mm (4.5 in)	22 of 100 (Routine)
Albion	United States	Record low maximum temperature	7.8 C (46.0 F)	22 of 100 (Routine)
Madrid	United States	Record daily precipitation	44.5 mm (1.8 in)	22 of 100 (Routine)
Santee	United States	Record low maximum temperature	7.2 C (45.0 F)	22 of 100 (Routine)
Franklin 3 NW	United States	Record high minimum temperature	24.4 C (75.9 F)	21 of 100 (Routine)
Corsicana	United States	Record high minimum temperature	23.3 C (73.9 F)	21 of 100 (Routine)
Huron Rgnl AP	United States	Record low maximum temperature	8.3 C (46.9 F)	21 of 100 (Routine)
Ulan-Ude	Russia	Record daily precipitation	18.7 mm (0.7 in)	20 of 100 (Routine)
Grand Junction Walker Fld	United States	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Irkutsk	Russia	Record daily precipitation	11.8 mm (0.5 in)	20 of 100 (Routine)
Leroy 5 WSW	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Springer	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Oberlin	United States	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Koshkonong	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Babuskin	Russia	Record daily precipitation	23.3 mm (0.9 in)	20 of 100 (Routine)
San Jacinto	United States	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Holdrege	United States	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Kurgan	Russia	Record daily precipitation	18.9 mm (0.7 in)	20 of 100 (Routine)
Collbran	United States	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Haigler	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Cheljabinsk-Balandi	Russia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Oracle	United States	Record low maximum temperature	18.3 C (64.9 F)	20 of 100 (Routine)
Boulder	United States	Record low maximum temperature	7.8 C (46.0 F)	20 of 100 (Routine)
Yuma	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Garden City	United States	Record low maximum temperature	8.9 C (48.0 F)	20 of 100 (Routine)
Harrisonville	United States	Record low maximum temperature	10.6 C (51.1 F)	20 of 100 (Routine)
Agricultural College	United States	Record low maximum temperature	21.7 C (71.1 F)	20 of 100 (Routine)
Santa Fe	United States	Record low maximum temperature	11.1 C (52.0 F)	20 of 100 (Routine)
Laramie	United States	Record low maximum temperature	3.3 C (37.9 F)	20 of 100 (Routine)
Lafayette Rgnl AP	United States	Record high minimum temperature	23.9 C (75.0 F)	20 of 100 (Routine)

Counts by Type and Timescale

421 records

Records set or tied on 17 May 1930 by type: Highest daily maximum 8, Lowest daily maximum 177, Highest daily minimum 44, Lowest daily minimum 92, Heaviest daily rainfall 90, Heaviest daily snowfall 9, Deepest snow cover 1.

Records on 17 May 1930 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	177
Highest daily minimum	44
Lowest daily minimum	92
Heaviest daily rainfall	90
Heaviest daily snowfall	9
Deepest snow cover	1

Records on 17 May 1930 by timescale: all-time 0, monthly 7, daily 414.

How Much Records Were Beaten By

344 broken records

Margins by which the 344 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 114.0. Ties are not counted.

Top 20 by Significance

17 May 1930

Top 20 records on 17 May 1930 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 1930	College STN 6 SW, US	daily rain	109.7 mm (4.3 in)	87.1 mm (3.4 in)	0 years	44 of 100 (Notable)
17 May 1930	Minden, US	daily rain	78.7 mm (3.1 in)	52.0 mm (2.0 in)	25 years	39 of 100 (Notable)
17 May 1930	Stuttgart, US	daily rain	79.8 mm (3.1 in)	47.3 mm (1.9 in)	20 years	38 of 100 (Notable)
17 May 1930	Franklin, US	daily rain	76.2 mm (3.0 in)	47.0 mm (1.9 in)	11 years	38 of 100 (Notable)
17 May 1930	Kimball 2NE, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	36 years	36 of 100 (Notable)
17 May 1930	Ft Collins, US	daily rain	39.6 mm (1.6 in)	31.0 mm (1.2 in)	8 years	35 of 100 (Notable)
17 May 1930	Leroy 5 WSW, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	36 years	34 of 100 (Routine)
17 May 1930	Warren 2 ENE, US	daily rain	61.0 mm (2.4 in)	37.1 mm (1.5 in)	21 years	33 of 100 (Routine)
17 May 1930	Lodgepole, US	daily low max	5.6 C (42.1 F)	12.2 C (22.0 F)	31 years	31 of 100 (Routine)
17 May 1930	Wauneta, US	daily rain	35.1 mm (1.4 in)	25.4 mm (1.0 in)	12 years	31 of 100 (Routine)
17 May 1930	Gothenburg, US	daily rain	33.3 mm (1.3 in)	17.3 mm (0.7 in)	31 years	30 of 100 (Routine)
17 May 1930	Port Gibson 1 NE, US	daily rain	73.4 mm (2.9 in)	45.5 mm (1.8 in)	9 years	29 of 100 (Routine)
17 May 1930	Lamar, US	daily rain	35.8 mm (1.4 in)	30.7 mm (1.2 in)	1 year	28 of 100 (Routine)
17 May 1930	Imperial, US	daily rain	37.8 mm (1.5 in)	25.9 mm (1.0 in)	12 years	28 of 100 (Routine)
17 May 1930	Scottsbluff W B Heilig Fld AP, US	daily rain	26.4 mm (1.0 in)	15.2 mm (0.6 in)	33 years	28 of 100 (Routine)
17 May 1930	W Pt, US	daily low max	8.3 C (46.9 F)	10.0 C (18.0 F)	25 years	27 of 100 (Routine)
17 May 1930	Crystal Springs Exp STN, US	daily rain	73.7 mm (2.9 in)	43.2 mm (1.7 in)	9 years	26 of 100 (Routine)
17 May 1930	Vicksburg, US	daily rain	50.0 mm (2.0 in)	27.1 mm (1.1 in)	29 years	26 of 100 (Routine)
17 May 1930	Tombstone, US	daily low min	3.3 C (37.9 F)	4.5 C (8.1 F)	31 years	25 of 100 (Routine)
17 May 1930	Tucson WFO, US	daily low max	21.1 C (70.0 F)	5.6 C (10.1 F)	27 years	25 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

1802 to 1930

Records set or tied on this calendar date in each year from 1802 to 1930. 1930 had 421 records.

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

Records on 05-17 in each year
Year	Records
1802	2
1803	1
1808	1
1816	1
1834	1
1837	1
1839	1
1847	2
1848	1
1851	1
1853	1
1855	1
1858	1
1859	1
1861	2
1862	2
1863	2
1864	1
1871	2
1872	2
1873	2
1874	4
1877	1
1878	1
1879	2
1880	1
1881	1
1882	2
1883	3
1885	1
1887	1
1888	2
1889	3
1891	8
1892	4
1893	3
1895	8
1896	2
1897	3
1898	6
1899	7
1900	12
1901	2
1902	3
1903	9
1904	12
1905	10
1906	22
1907	10
1908	5
1909	33
1910	16
1911	30
1912	16
1913	24
1914	24
1915	53
1916	49
1917	18
1918	56
1919	35
1920	46
1921	50
1922	30
1923	95
1924	80
1925	326
1926	133
1927	264
1928	127
1929	168
1930	421
1931	201
1932	288
1933	365
1934	373
1935	341
1936	270
1937	183
1938	340
1939	285
1940	338
1941	408
1942	589
1943	855
1944	521
1945	799
1946	586
1947	249
1948	412
1949	544
1950	371
1951	373
1952	777
1953	441
1954	298
1955	570
1956	1,166
1957	469
1958	331
1959	488
1960	402
1961	291
1962	1,325
1963	368
1964	417
1965	462
1966	489
1967	644
1968	564
1969	638
1970	711
1971	723
1972	610
1973	1,016
1974	1,302
1975	365
1976	426
1977	1,078
1978	872
1979	459
1980	768
1981	940
1982	476
1983	1,326
1984	925
1985	561
1986	921
1987	1,054
1988	1,096
1989	1,307
1990	1,135
1991	1,237
1992	1,025
1993	495
1994	858
1995	1,734
1996	1,706
1997	1,619
1998	1,080
1999	795
2000	825
2001	960
2002	964
2003	1,127
2004	769
2005	784
2006	1,522
2007	742
2008	1,309
2009	1,050
2010	880
2011	1,483
2012	711
2013	739
2014	1,062
2015	824
2016	741
2017	1,302
2018	726
2019	686
2020	496
2021	443
2022	479
2023	385
2024	566
2025	928
2026	745

Download the Data

Data for records on 1930-05-17: 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	320
20 to 40	14
40 to 60	5
60 to 80	1
80 to 100	1
100 to 120	3