Weather Records on 7 May 2018

542 weather records were set or tied worldwide on 7 May 2018. Highest significance: Chornomorske, UA.

Key Facts for 7 May 2018

On 7 May 2018, 542 weather records were set or tied at long-record stations worldwide.
454 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 540 daily.
Chornomorske set a monthly record daily precipitation of 99.1 mm (3.9 in) on 7 May 2018.
Across 168 earlier years (1795 to 2026) the same calendar date averaged 418 records.

Record Map

542 stations

542 station records on 7 May 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 May 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chornomorske	Ukraine	Record daily precipitation	99.1 mm (3.9 in)	67 of 100 (Major)
Great Falls 16St	United States	Record high minimum temperature	13.3 C (55.9 F)	45 of 100 (Notable)
Cascade Locks	United States	Record high minimum temperature	13.3 C (55.9 F)	43 of 100 (Notable)
Thompson Falls Ph	United States	Record daily precipitation	26.2 mm (1.0 in)	42 of 100 (Notable)
Pathfinder Dam	United States	Record high minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Poltava	Ukraine	Record high maximum temperature	30.2 C (86.4 F)	41 of 100 (Notable)
Mancos 1SW	United States	Record high maximum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Priest Rvr Exp STN	United States	Record high minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Blanding	United States	Record high minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Cut Bank AP	United States	Record high minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Fairmont	United States	Record high minimum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
McAlester Rgnl AP	United States	Record high maximum temperature	32.2 C (90.0 F)	40 of 100 (Notable)
Calarasi	Romania	Record high minimum temperature	17.1 C (62.8 F)	38 of 100 (Notable)
Missoula 6 NW WFO	United States	Record high minimum temperature	9.4 C (48.9 F)	38 of 100 (Notable)
Tucumcari 4 NE	United States	Record high minimum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Sukumo	Japan	Record daily precipitation	127.0 mm (5.0 in)	37 of 100 (Notable)
Buzau	Romania	Record high minimum temperature	18.2 C (64.8 F)	36 of 100 (Notable)
Odesa	Ukraine	Record high maximum temperature	27.0 C (80.6 F)	36 of 100 (Notable)
Aberdeen Exp STN	United States	Record high minimum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Sines Deep Creek	United States	Record high maximum temperature	28.9 C (84.0 F)	36 of 100 (Notable)
Animas 3ESE	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Chewelah	United States	Record high minimum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Cle Elum	United States	Record high minimum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Toulouse-Blagnac	France	Record daily precipitation	41.8 mm (1.6 in)	34 of 100 (Routine)
Rostov-Na-Donu	Russia	Record high minimum temperature	17.0 C (62.6 F)	33 of 100 (Routine)
Dillinger	United States	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Stuart	United States	Record daily precipitation	47.0 mm (1.9 in)	32 of 100 (Routine)
Moses Lake Grant Co AP	United States	Record high minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Ganca	Azerbaijan	Record high minimum temperature	18.0 C (64.4 F)	31 of 100 (Routine)
Krasnaja Poljana	Russia	Record high minimum temperature	14.3 C (57.7 F)	31 of 100 (Routine)
Chino Valley	United States	Record high minimum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Tsuruga	Japan	Record daily precipitation	56.9 mm (2.2 in)	30 of 100 (Routine)
Horinsk	Russia	Record high minimum temperature	6.8 C (44.2 F)	30 of 100 (Routine)
Apalachicola AP	United States	Record high maximum temperature	33.3 C (91.9 F)	30 of 100 (Routine)
Chief Joseph Dam	United States	Record high minimum temperature	13.9 C (57.0 F)	30 of 100 (Routine)
St Marie	United States	Record high minimum temperature	13.3 C (55.9 F)	30 of 100 (Routine)
Knin	Croatia	Record high minimum temperature	17.9 C (64.2 F)	29 of 100 (Routine)
Nadym	Russia	Record low minimum temperature	-21.7 C (-7.1 F)	29 of 100 (Routine)
Chino Valley	United States	Record high maximum temperature	32.8 C (91.0 F)	29 of 100 (Routine)
Grand Rapids Forestry Lab	United States	Record high maximum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Elk City 4 W	United States	Record high maximum temperature	35.6 C (96.1 F)	29 of 100 (Routine)
Miles City AP	United States	Record high minimum temperature	12.8 C (55.0 F)	29 of 100 (Routine)
Glasgow	United States	Record high minimum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Balhash	Kazakhstan	Record low minimum temperature	-1.2 C (29.8 F)	28 of 100 (Routine)
Fushiki	Japan	Record daily precipitation	50.0 mm (2.0 in)	27 of 100 (Routine)
Zelenchukskaja	Russia	Record high minimum temperature	11.0 C (51.8 F)	27 of 100 (Routine)
Wikieup	United States	Record high minimum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Sanford	United States	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Enderlin 2W	United States	Record high maximum temperature	30.6 C (87.1 F)	27 of 100 (Routine)
Wu Lu Mu Qi	China	Record low minimum temperature	0.5 C (32.9 F)	26 of 100 (Routine)
St-Girons	France	Record daily precipitation	40.2 mm (1.6 in)	26 of 100 (Routine)
Zlikha	Kazakhstan	Record low minimum temperature	1.7 C (35.1 F)	26 of 100 (Routine)
Kirovohrad	Ukraine	Record high minimum temperature	16.2 C (61.2 F)	26 of 100 (Routine)
Imperial Co AP	United States	Record high minimum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Lake Charles	United States	Record high maximum temperature	33.3 C (91.9 F)	26 of 100 (Routine)
Port Arthur SE Tx Rgnl AP	United States	Record high maximum temperature	32.8 C (91.0 F)	26 of 100 (Routine)
Maizuru Reg Met HQ	Japan	Record daily precipitation	61.0 mm (2.4 in)	25 of 100 (Routine)
Balhash	Kazakhstan	Record low maximum temperature	11.0 C (51.8 F)	25 of 100 (Routine)
Hujirt	Mongolia	Record high minimum temperature	7.4 C (45.3 F)	25 of 100 (Routine)
Melrose	United States	Record high minimum temperature	16.1 C (61.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

542 records

Records set or tied on 7 May 2018 by type: Highest daily maximum 168, Lowest daily maximum 10, Highest daily minimum 286, Lowest daily minimum 25, Heaviest daily rainfall 53.

Records on 7 May 2018 by type
Record type	Records
Highest daily maximum	168
Lowest daily maximum	10
Highest daily minimum	286
Lowest daily minimum	25
Heaviest daily rainfall	53
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 May 2018 by timescale: all-time 0, monthly 2, daily 540.

How Much Records Were Beaten By

406 broken records

Margins by which the 406 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 57.4. Ties are not counted.

Top 20 by Significance

7 May 2018

Top 20 records on 7 May 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 May 2018	Chornomorske, UA	monthly rain	99.1 mm (3.9 in)	57.3 mm (2.3 in)	30 years	67 of 100 (Major)
7 May 2018	Great Falls 16St, US	daily high min	13.3 C (55.9 F)	2.2 C (4.0 F)	116 years	45 of 100 (Notable)
7 May 2018	Cascade Locks, US	daily high min	13.3 C (55.9 F)	1.1 C (2.0 F)	117 years	43 of 100 (Notable)
7 May 2018	Thompson Falls Ph, US	daily rain	26.2 mm (1.0 in)	18.1 mm (0.7 in)	8 years	42 of 100 (Notable)
7 May 2018	Pathfinder Dam, US	daily high min	12.2 C (54.0 F)	1.1 C (2.0 F)	101 years	42 of 100 (Notable)
7 May 2018	Poltava, UA	daily high max	30.2 C (86.4 F)	0.7 C (1.3 F)	112 years	41 of 100 (Notable)
7 May 2018	Mancos 1SW, US	daily high max	25.6 C (78.1 F)	0.6 C (1.1 F)	101 years	41 of 100 (Notable)
7 May 2018	Priest Rvr Exp STN, US	daily high min	10.6 C (51.1 F)	0.6 C (1.1 F)	116 years	41 of 100 (Notable)
7 May 2018	Blanding, US	daily high min	13.3 C (55.9 F)	2.2 C (4.0 F)	89 years	41 of 100 (Notable)
7 May 2018	Cut Bank AP, US	daily high min	10.6 C (51.1 F)	0.6 C (1.1 F)	108 years	41 of 100 (Notable)
7 May 2018	Fairmont, US	daily high min	20.6 C (69.1 F)	1.2 C (2.2 F)	93 years	40 of 100 (Notable)
7 May 2018	McAlester Rgnl AP, US	daily high max	32.2 C (90.0 F)	1.1 C (2.0 F)	96 years	40 of 100 (Notable)
7 May 2018	Calarasi, RO	daily high min	17.1 C (62.8 F)	1.1 C (2.0 F)	85 years	38 of 100 (Notable)
7 May 2018	Missoula 6 NW WFO, US	daily high min	9.4 C (48.9 F)	0.5 C (0.9 F)	92 years	38 of 100 (Notable)
7 May 2018	Tucumcari 4 NE, US	daily high min	17.8 C (64.0 F)	2.2 C (4.0 F)	77 years	38 of 100 (Notable)
7 May 2018	Sukumo, JP	daily rain	127.0 mm (5.0 in)	57.4 mm (2.3 in)	12 years	37 of 100 (Notable)
7 May 2018	Buzau, RO	daily high min	18.2 C (64.8 F)	3.2 C (5.8 F)	59 years	36 of 100 (Notable)
7 May 2018	Odesa, UA	daily high max	27.0 C (80.6 F)	0.2 C (0.4 F)	87 years	36 of 100 (Notable)
7 May 2018	Aberdeen Exp STN, US	daily high min	9.4 C (48.9 F)	0.5 C (0.9 F)	84 years	36 of 100 (Notable)
7 May 2018	Sines Deep Creek, US	daily high max	28.9 C (84.0 F)	0.6 C (1.1 F)	88 years	36 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

1795 to 2018

Records set or tied on this calendar date in each year from 1795 to 2018. 2018 had 542 records.

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

Records on 05-07 in each year
Year	Records
1795	2
1805	1
1816	1
1825	2
1837	1
1838	1
1844	1
1845	2
1846	1
1848	2
1850	2
1852	1
1853	1
1856	3
1857	1
1861	3
1862	1
1863	1
1864	1
1867	3
1869	1
1870	1
1872	1
1874	2
1876	3
1878	1
1879	2
1880	1
1884	2
1885	1
1886	4
1887	1
1888	1
1889	2
1890	4
1891	4
1892	2
1894	4
1895	2
1897	5
1898	7
1899	3
1900	10
1901	1
1902	6
1903	13
1904	19
1905	21
1906	15
1907	14
1908	29
1909	15
1910	16
1911	14
1912	14
1913	30
1914	37
1915	40
1916	34
1917	188
1918	60
1919	263
1920	59
1921	41
1922	40
1923	119
1924	141
1925	207
1926	227
1927	191
1928	204
1929	224
1930	637
1931	473
1932	288
1933	291
1934	698
1935	298
1936	466
1937	121
1938	467
1939	194
1940	317
1941	317
1942	270
1943	416
1944	476
1945	751
1946	339
1947	727
1948	338
1949	439
1950	526
1951	226
1952	485
1953	541
1954	481
1955	393
1956	665
1957	546
1958	585
1959	335
1960	899
1961	442
1962	381
1963	825
1964	687
1965	671
1966	762
1967	973
1968	756
1969	678
1970	822
1971	364
1972	515
1973	447
1974	743
1975	784
1976	782
1977	662
1978	925
1979	888
1980	593
1981	710
1982	802
1983	724
1984	1,300
1985	557
1986	1,163
1987	1,115
1988	752
1989	1,880
1990	1,024
1991	599
1992	1,830
1993	831
1994	621
1995	997
1996	880
1997	1,359
1998	1,166
1999	1,008
2000	1,693
2001	743
2002	1,344
2003	1,138
2004	1,397
2005	645
2006	833
2007	1,047
2008	526
2009	735
2010	1,123
2011	558
2012	709
2013	633
2014	646
2015	569
2016	677
2017	543
2018	542
2019	522
2020	577
2021	484
2022	784
2023	667
2024	858
2025	635
2026	715

Download the Data

Data for records on 2018-05-07: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	389
10 to 20	12
20 to 30	3
30 to 40	0
40 to 50	0
50 to 60	2