Weather Records on 30 May 2017

657 weather records were set or tied worldwide on 30 May 2017. Highest significance: Clermont-Ferrand, FR.

Key Facts for 30 May 2017

On 30 May 2017, 657 weather records were set or tied at long-record stations worldwide.
356 were record highs and 191 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 48 monthly and 609 daily.
Clermont-Ferrand set a daily record precipitation of 49.5 mm (1.9 in) on 30 May 2017.
Across 165 earlier years (1818 to 2026) the same calendar date averaged 437 records.

Record Map

657 stations

657 station records on 30 May 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 May 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Clermont-Ferrand	France	Record daily precipitation	49.5 mm (1.9 in)	61 of 100 (Major)
Ueckermunde	Germany	Record daily precipitation	36.3 mm (1.4 in)	57 of 100 (Notable)
Barabinsk	Russia	Record daily precipitation	25.1 mm (1.0 in)	50 of 100 (Notable)
Pudino	Russia	Record daily precipitation	30.0 mm (1.2 in)	49 of 100 (Notable)
Marathon	United States	Record daily precipitation	49.3 mm (1.9 in)	47 of 100 (Notable)
Kystovka	Russia	Record daily precipitation	26.9 mm (1.1 in)	46 of 100 (Notable)
Rochester	United States	Record low maximum temperature	11.1 C (52.0 F)	46 of 100 (Notable)
Middleboro	United States	Record low maximum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Lindenberg	Germany	Record high minimum temperature	17.3 C (63.1 F)	43 of 100 (Notable)
Sidney	United States	Record low minimum temperature	-1.1 C (30.0 F)	43 of 100 (Notable)
Leo 6 SW	United States	Record high maximum temperature	35.0 C (95.0 F)	43 of 100 (Notable)
Nurnberg	Germany	Record high minimum temperature	16.9 C (62.4 F)	42 of 100 (Notable)
Timiryazevskij	Russia	Record low minimum temperature	4.0 C (39.2 F)	42 of 100 (Notable)
Federal Pt	United States	Record high minimum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Blue Hill Coop	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Lichtentanne	Germany	Record high minimum temperature	15.8 C (60.4 F)	41 of 100 (Notable)
Storrs	United States	Record low maximum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
Haverhill	United States	Record low maximum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Lowell	United States	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Plevna	United States	Record low minimum temperature	-1.7 C (28.9 F)	41 of 100 (Notable)
Cordova AP	United States	Record low minimum temperature	-1.0 C (30.2 F)	41 of 100 (Notable)
Regensburg	Germany	Record high minimum temperature	15.7 C (60.3 F)	40 of 100 (Notable)
Dzhikimda	Russia	Record daily precipitation	32.2 mm (1.3 in)	40 of 100 (Notable)
Lawrence	United States	Record low maximum temperature	11.7 C (53.1 F)	40 of 100 (Notable)
Potsdam	Germany	Record high minimum temperature	18.1 C (64.6 F)	39 of 100 (Notable)
Jena Sternwarte	Germany	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Wibaux 2 E	United States	Record low minimum temperature	-1.7 C (28.9 F)	38 of 100 (Notable)
Verhoture	Russia	Record low minimum temperature	-5.9 C (21.4 F)	37 of 100 (Notable)
Hacienda Ylang Ylang Veracruz	Mexico	Record daily precipitation	111.0 mm (4.4 in)	36 of 100 (Notable)
Kandalaksa	Russia	Record low minimum temperature	-3.1 C (26.4 F)	36 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record high minimum temperature	13.0 C (55.4 F)	35 of 100 (Notable)
Rasht	Tajikistan	Record daily precipitation	46.0 mm (1.8 in)	35 of 100 (Notable)
Iida	Japan	Record high maximum temperature	33.8 C (92.8 F)	34 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	7.6 C (45.7 F)	34 of 100 (Routine)
Sakai	Japan	Record high maximum temperature	32.9 C (91.2 F)	33 of 100 (Routine)
Kempten	Germany	Record high minimum temperature	17.0 C (62.6 F)	32 of 100 (Routine)
Bad Bergzabern	Germany	Record high minimum temperature	19.1 C (66.4 F)	32 of 100 (Routine)
Maizuru Reg Met HQ	Japan	Record high maximum temperature	33.1 C (91.6 F)	32 of 100 (Routine)
Kyzyl-Ozek	Russia	Record high minimum temperature	14.7 C (58.5 F)	32 of 100 (Routine)
Choshi	Japan	Record high minimum temperature	19.1 C (66.4 F)	31 of 100 (Routine)
Kuwait Internationa	Kuwait	Record high minimum temperature	34.0 C (93.2 F)	31 of 100 (Routine)
Norfolk 2 SW	United States	Record low maximum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Trenton Falls	United States	Record daily precipitation	43.7 mm (1.7 in)	31 of 100 (Routine)
Berlin-Tempelhof	Germany	Record high minimum temperature	18.2 C (64.8 F)	30 of 100 (Routine)
Wutoschingen-Ofteringen	Germany	Record high minimum temperature	15.9 C (60.6 F)	30 of 100 (Routine)
Nizhneudinsk	Russia	Record high minimum temperature	11.2 C (52.2 F)	30 of 100 (Routine)
Malmberget	Sweden	Record low minimum temperature	-3.8 C (25.2 F)	30 of 100 (Routine)
Duncan	United States	Record high minimum temperature	17.2 C (63.0 F)	30 of 100 (Routine)
Midwest	United States	Record low minimum temperature	-1.1 C (30.0 F)	30 of 100 (Routine)
Junction Kimble Co AP	United States	Record low maximum temperature	23.3 C (73.9 F)	30 of 100 (Routine)
Ca Mau	Vietnam	Record daily precipitation	99.6 mm (3.9 in)	30 of 100 (Routine)
Toulouse-Blagnac	France	Record daily precipitation	40.0 mm (1.6 in)	29 of 100 (Routine)
Brest-Guipavas	France	Record high minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
El Campo	United States	Record daily precipitation	55.4 mm (2.2 in)	29 of 100 (Routine)
Matsue	Japan	Record high maximum temperature	31.3 C (88.3 F)	28 of 100 (Routine)
Oravska Lesna	Slovakia	Record daily precipitation	38.7 mm (1.5 in)	28 of 100 (Routine)
Dos Bocas	Puerto Rico [United States]	Record daily precipitation	71.1 mm (2.8 in)	28 of 100 (Routine)
Krasnoufimsk	Russia	Record low minimum temperature	-5.0 C (23.0 F)	28 of 100 (Routine)
Lainio	Sweden	Record low minimum temperature	-5.7 C (21.7 F)	28 of 100 (Routine)
Key W Intl AP	United States	Record high minimum temperature	28.3 C (82.9 F)	28 of 100 (Routine)

Counts by Type and Timescale

657 records

Records set or tied on 30 May 2017 by type: Highest daily maximum 98, Lowest daily maximum 99, Highest daily minimum 258, Lowest daily minimum 92, Heaviest daily rainfall 110.

Records on 30 May 2017 by type
Record type	Records
Highest daily maximum	98
Lowest daily maximum	99
Highest daily minimum	258
Lowest daily minimum	92
Heaviest daily rainfall	110
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 May 2017 by timescale: all-time 0, monthly 48, daily 609.

How Much Records Were Beaten By

547 broken records

Margins by which the 547 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.1. Ties are not counted.

Top 20 by Significance

30 May 2017

Top 20 records on 30 May 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 May 2017	Clermont-Ferrand, FR	daily rain	49.5 mm (1.9 in)	30.0 mm (1.2 in)	43 years	61 of 100 (Major)
30 May 2017	Ueckermunde, DE	daily rain	36.3 mm (1.4 in)	9.5 mm (0.37 in)	96 years	57 of 100 (Notable)
30 May 2017	Barabinsk, RU	daily rain	25.1 mm (1.0 in)	13.4 mm (0.5 in)	16 years	50 of 100 (Notable)
30 May 2017	Pudino, RU	daily rain	30.0 mm (1.2 in)	14.3 mm (0.6 in)	28 years	49 of 100 (Notable)
30 May 2017	Marathon, US	daily rain	49.3 mm (1.9 in)	29.2 mm (1.1 in)	47 years	47 of 100 (Notable)
30 May 2017	Kystovka, RU	daily rain	26.9 mm (1.1 in)	15.5 mm (0.6 in)	7 years	46 of 100 (Notable)
30 May 2017	Rochester, US	daily low max	11.1 C (52.0 F)	3.3 C (5.9 F)	116 years	46 of 100 (Notable)
30 May 2017	Middleboro, US	daily low max	11.7 C (53.1 F)	2.2 C (4.0 F)	116 years	44 of 100 (Notable)
30 May 2017	Lindenberg, DE	daily high min	17.3 C (63.1 F)	1.3 C (2.3 F)	108 years	43 of 100 (Notable)
30 May 2017	Sidney, US	daily low min	-1.1 C (30.0 F)	1.7 C (3.1 F)	100 years	43 of 100 (Notable)
30 May 2017	Leo 6 SW, US	monthly high max	35.0 C (95.0 F)	1.1 C (2.0 F)	80 years	43 of 100 (Notable)
30 May 2017	Nurnberg, DE	daily high min	16.9 C (62.4 F)	1.1 C (2.0 F)	124 years	42 of 100 (Notable)
30 May 2017	Timiryazevskij, RU	daily low min	4.0 C (39.2 F)	0.7 C (1.3 F)	100 years	42 of 100 (Notable)
30 May 2017	Federal Pt, US	daily high min	23.9 C (75.0 F)	0.6 C (1.1 F)	118 years	42 of 100 (Notable)
30 May 2017	Blue Hill Coop, US	daily low max	10.0 C (50.0 F)	1.7 C (3.1 F)	116 years	42 of 100 (Notable)
30 May 2017	Lichtentanne, DE	daily high min	15.8 C (60.4 F)	0.6 C (1.1 F)	134 years	41 of 100 (Notable)
30 May 2017	Storrs, US	daily low max	12.2 C (54.0 F)	0.6 C (1.1 F)	116 years	41 of 100 (Notable)
30 May 2017	Haverhill, US	daily low max	11.1 C (52.0 F)	0.6 C (1.1 F)	116 years	41 of 100 (Notable)
30 May 2017	Lowell, US	daily low max	11.7 C (53.1 F)	1.1 C (2.0 F)	116 years	41 of 100 (Notable)
30 May 2017	Plevna, US	daily low min	-1.7 C (28.9 F)	0.6 C (1.1 F)	100 years	41 of 100 (Notable)

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 2017

Records set or tied on this calendar date in each year from 1818 to 2017. 2017 had 657 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 2017-05-30: 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	523
10 to 20	19
20 to 30	2
30 to 40	2
40 to 50	0
50 to 60	1