Weather Records on 30 June 2017

642 weather records were set or tied worldwide on 30 June 2017. Highest significance: Carrollton, US.

Key Facts for 30 June 2017

On 30 June 2017, 642 weather records were set or tied at long-record stations worldwide.
261 were record highs and 117 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 24 monthly and 616 daily.
Carrollton set a daily record precipitation of 103.6 mm (4.1 in) on 30 June 2017.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 448 records.

Record Map

642 stations

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

Weather records on 30 June 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Carrollton	United States	Record daily precipitation	103.6 mm (4.1 in)	74 of 100 (Major)
Kirchdorf/Poel	Germany	Record daily precipitation	39.1 mm (1.5 in)	72 of 100 (Major)
Salisbury	United States	Record daily precipitation	198.9 mm (7.8 in)	70 of 100 (Major)
Frankfort Disposal	United States	Record daily precipitation	81.3 mm (3.2 in)	65 of 100 (Major)
Lermontovka	Russia	Record daily precipitation	62.7 mm (2.5 in)	57 of 100 (Notable)
Oskarshamn	Sweden	Record daily precipitation	26.6 mm (1.0 in)	56 of 100 (Notable)
Chillicothe 2S	United States	Record daily precipitation	99.8 mm (3.9 in)	56 of 100 (Notable)
Makkum	Netherlands	Record daily precipitation	39.6 mm (1.6 in)	55 of 100 (Notable)
Hano_A	Sweden	Record daily precipitation	31.0 mm (1.2 in)	55 of 100 (Notable)
Wilmington Intl AP	United States	Record daily precipitation	168.1 mm (6.6 in)	55 of 100 (Notable)
Zukovka	Russia	Record daily precipitation	67.1 mm (2.6 in)	54 of 100 (Notable)
Calarasi	Romania	Record high minimum temperature	24.1 C (75.4 F)	52 of 100 (Notable)
Ogdensburg 4 NE	United States	Record daily precipitation	38.1 mm (1.5 in)	51 of 100 (Notable)
Bucyrus	United States	Record daily precipitation	48.0 mm (1.9 in)	51 of 100 (Notable)
Changsha	China	Record daily precipitation	132.6 mm (5.2 in)	50 of 100 (Notable)
Crystal Springs Exp STN	United States	Record low maximum temperature	25.0 C (77.0 F)	49 of 100 (Notable)
Brunswick	United States	Record daily precipitation	174.0 mm (6.9 in)	49 of 100 (Notable)
Hohwacht	Germany	Record daily precipitation	44.6 mm (1.8 in)	48 of 100 (Notable)
Karlshamn	Sweden	Record daily precipitation	30.6 mm (1.2 in)	48 of 100 (Notable)
Franklin	United States	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Wismar	Germany	Record daily precipitation	32.7 mm (1.3 in)	47 of 100 (Notable)
Dengqen	China	Record daily precipitation	31.2 mm (1.2 in)	46 of 100 (Notable)
Buchholz In der Nordheide	Germany	Record daily precipitation	35.0 mm (1.4 in)	46 of 100 (Notable)
Hampton	United States	Record daily precipitation	87.6 mm (3.4 in)	46 of 100 (Notable)
Boltenhagen	Germany	Record daily precipitation	36.5 mm (1.4 in)	45 of 100 (Notable)
Jinnah Intl	Pakistan	Record low minimum temperature	24.5 C (76.1 F)	45 of 100 (Notable)
Wallace	United States	Record low maximum temperature	23.9 C (75.0 F)	45 of 100 (Notable)
Westermarkelsdorf/Fehmarn	Germany	Record daily precipitation	33.6 mm (1.3 in)	44 of 100 (Notable)
Roxboro 7 ESE	United States	Record low minimum temperature	8.9 C (48.0 F)	44 of 100 (Notable)
Primghar	United States	Record daily precipitation	121.9 mm (4.8 in)	43 of 100 (Notable)
Malone	United States	Record daily precipitation	60.7 mm (2.4 in)	43 of 100 (Notable)
Ft Wayne Intl AP	United States	Record daily precipitation	76.5 mm (3.0 in)	42 of 100 (Notable)
Praha-Libus	Czech Republic	Record daily precipitation	53.8 mm (2.1 in)	41 of 100 (Notable)
Dos Bocas	Puerto Rico [United States]	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Wabash	United States	Record daily precipitation	36.6 mm (1.4 in)	41 of 100 (Notable)
Pascagoula 3 NE	United States	Record low maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Dannemora	United States	Record daily precipitation	54.6 mm (2.1 in)	41 of 100 (Notable)
Manchester AP	United States	Record daily precipitation	25.1 mm (1.0 in)	41 of 100 (Notable)
McAlester Rgnl AP	United States	Record daily precipitation	46.0 mm (1.8 in)	41 of 100 (Notable)
Selma	United States	Record low maximum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Bilbao Aeropuerto	Spain	Record daily precipitation	29.7 mm (1.2 in)	39 of 100 (Notable)
Zonguldak	Turkey	Record high maximum temperature	35.2 C (95.4 F)	39 of 100 (Notable)
Orange 9 N	United States	Record daily precipitation	113.0 mm (4.4 in)	39 of 100 (Notable)
Makaweli 965	United States	Record high minimum temperature	23.9 C (75.0 F)	39 of 100 (Notable)
Okayama	Japan	Record daily precipitation	90.4 mm (3.6 in)	38 of 100 (Notable)
Ottawa	United States	Record daily precipitation	65.8 mm (2.6 in)	38 of 100 (Notable)
Brookfield	United States	Record daily precipitation	113.3 mm (4.5 in)	38 of 100 (Notable)
Luling	United States	Record high minimum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Toledo Express AP	United States	Record daily precipitation	54.1 mm (2.1 in)	38 of 100 (Notable)
Cemal	Russia	Record daily precipitation	30.5 mm (1.2 in)	37 of 100 (Notable)
Lexington	United States	Record daily precipitation	65.3 mm (2.6 in)	37 of 100 (Notable)
Lake Arthur 7 SW	United States	Record low maximum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Poplarville Exp STN	United States	Record low maximum temperature	26.7 C (80.1 F)	37 of 100 (Notable)
Peru 2 WSW	United States	Record daily precipitation	49.3 mm (1.9 in)	37 of 100 (Notable)
Yajlju	Russia	Record daily precipitation	46.2 mm (1.8 in)	36 of 100 (Notable)
Cleveland	United States	Record daily precipitation	66.0 mm (2.6 in)	36 of 100 (Notable)
Muncie Delaware Co AP	United States	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Kr. Cuxhaven Steinau	Germany	Record daily precipitation	34.4 mm (1.4 in)	35 of 100 (Notable)
Drobeta Turnu Severin	Romania	Record high maximum temperature	37.7 C (99.9 F)	35 of 100 (Notable)
Soloneshnoe	Russia	Record daily precipitation	38.8 mm (1.5 in)	35 of 100 (Notable)

Counts by Type and Timescale

642 records

Records set or tied on 30 June 2017 by type: Highest daily maximum 78, Lowest daily maximum 57, Highest daily minimum 183, Lowest daily minimum 60, Heaviest daily rainfall 264.

Records on 30 June 2017 by type
Record type	Records
Highest daily maximum	78
Lowest daily maximum	57
Highest daily minimum	183
Lowest daily minimum	60
Heaviest daily rainfall	264
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 2017 by timescale: all-time 2, monthly 24, daily 616.

How Much Records Were Beaten By

522 broken records

Margins by which the 522 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.5. Ties are not counted.

Top 20 by Significance

30 June 2017

Top 20 records on 30 June 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 2017	Carrollton, US	daily rain	103.6 mm (4.1 in)	53.1 mm (2.1 in)	119 years	74 of 100 (Major)
30 June 2017	Kirchdorf/Poel, DE	daily rain	39.1 mm (1.5 in)	18.3 mm (0.7 in)	104 years	72 of 100 (Major)
30 June 2017	Salisbury, US	all-time rain	198.9 mm (7.8 in)	43.5 mm (1.7 in)	55 years	70 of 100 (Major)
30 June 2017	Frankfort Disposal, US	daily rain	81.3 mm (3.2 in)	47.0 mm (1.9 in)	72 years	65 of 100 (Major)
30 June 2017	Lermontovka, RU	daily rain	62.7 mm (2.5 in)	33.1 mm (1.3 in)	38 years	57 of 100 (Notable)
30 June 2017	Oskarshamn, SE	daily rain	26.6 mm (1.0 in)	17.2 mm (0.7 in)	68 years	56 of 100 (Notable)
30 June 2017	Chillicothe 2S, US	daily rain	99.8 mm (3.9 in)	46.0 mm (1.8 in)	56 years	56 of 100 (Notable)
30 June 2017	Makkum, NL	daily rain	39.6 mm (1.6 in)	20.8 mm (0.8 in)	44 years	55 of 100 (Notable)
30 June 2017	Hano_A, SE	daily rain	31.0 mm (1.2 in)	12.3 mm (0.5 in)	78 years	55 of 100 (Notable)
30 June 2017	Wilmington Intl AP, US	monthly rain	168.1 mm (6.6 in)	47.2 mm (1.9 in)	41 years	55 of 100 (Notable)
30 June 2017	Zukovka, RU	daily rain	67.1 mm (2.6 in)	37.0 mm (1.5 in)	32 years	54 of 100 (Notable)
30 June 2017	Calarasi, RO	monthly high min	24.1 C (75.4 F)	0.9 C (1.6 F)	99 years	52 of 100 (Notable)
30 June 2017	Ogdensburg 4 NE, US	daily rain	38.1 mm (1.5 in)	10.7 mm (0.4 in)	111 years	51 of 100 (Notable)
30 June 2017	Bucyrus, US	daily rain	48.0 mm (1.9 in)	16.0 mm (0.6 in)	96 years	51 of 100 (Notable)
30 June 2017	Changsha, CN	daily rain	132.6 mm (5.2 in)	102.5 mm (4.0 in)	24 years	50 of 100 (Notable)
30 June 2017	Crystal Springs Exp STN, US	daily low max	25.0 C (77.0 F)	2.8 C (5.0 F)	104 years	49 of 100 (Notable)
30 June 2017	Brunswick, US	all-time rain	174.0 mm (6.9 in)	6.4 mm (0.25 in)	55 years	49 of 100 (Notable)
30 June 2017	Hohwacht, DE	daily rain	44.6 mm (1.8 in)	27.7 mm (1.1 in)	15 years	48 of 100 (Notable)
30 June 2017	Karlshamn, SE	daily rain	30.6 mm (1.2 in)	9.0 mm (0.35 in)	78 years	48 of 100 (Notable)
30 June 2017	Franklin, US	daily rain	47.0 mm (1.9 in)	16.5 mm (0.6 in)	80 years	48 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

1826 to 2017

Records set or tied on this calendar date in each year from 1826 to 2017. 2017 had 642 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 2017-06-30: 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 2026-10-15 (15 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	485
20 to 40	26
40 to 60	9
60 to 80	1
80 to 100	0
100 to 120	1