Weather Records on 18 May 2019

810 weather records were set or tied worldwide on 18 May 2019. Highest significance: San Sebastian - Igueldo, ES.

Key Facts for 18 May 2019

On 18 May 2019, 810 weather records were set or tied at long-record stations worldwide.
230 were record highs and 314 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 18 monthly and 791 daily.
San Sebastian - Igueldo set a daily record precipitation of 84.8 mm (3.3 in) on 18 May 2019.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 440 records.

Record Map

810 stations

810 station records on 18 May 2019 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 May 2019: highest significance records shown on the map
Station	Country	Type	Value	Significance
San Sebastian - Igueldo	Spain	Record daily precipitation	84.8 mm (3.3 in)	76 of 100 (Major)
Hissar	India	Record daily precipitation	69.1 mm (2.7 in)	68 of 100 (Major)
Ekalaka	United States	Record daily snowfall	12.7 cm (5.0 in)	65 of 100 (Major)
Visby_Flygplats	Sweden	Record daily precipitation	30.1 mm (1.2 in)	62 of 100 (Major)
Wessington Springs	United States	Record daily precipitation	61.0 mm (2.4 in)	62 of 100 (Major)
Webster	United States	Record daily precipitation	50.8 mm (2.0 in)	61 of 100 (Major)
Palestine 2 NE	United States	Record daily precipitation	162.6 mm (6.4 in)	61 of 100 (Major)
Lindong	China	Record daily precipitation	29.7 mm (1.2 in)	58 of 100 (Notable)
Winifred	United States	Record daily snowfall	10.2 cm (4.0 in)	58 of 100 (Notable)
New England	United States	Record daily snowfall	10.2 cm (4.0 in)	58 of 100 (Notable)
Duolun	China	Record daily precipitation	45.7 mm (1.8 in)	56 of 100 (Notable)
Camenca	Moldova	Record daily precipitation	37.1 mm (1.5 in)	56 of 100 (Notable)
Multan Intl	Pakistan	Record daily precipitation	64.0 mm (2.5 in)	56 of 100 (Notable)
Oakland Museum	United States	Record daily precipitation	28.2 mm (1.1 in)	56 of 100 (Notable)
Grass Range	United States	Record daily snowfall	12.7 cm (5.0 in)	55 of 100 (Notable)
Plevna	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Highmore	United States	Record daily precipitation	68.6 mm (2.7 in)	53 of 100 (Notable)
Belle Fourche	United States	Record low maximum temperature	3.3 C (37.9 F)	52 of 100 (Notable)
Sisseton	United States	Record daily precipitation	36.3 mm (1.4 in)	52 of 100 (Notable)
Carlyle 13 NW	United States	Record daily snowfall	17.8 cm (7.0 in)	51 of 100 (Notable)
Camp Crook	United States	Record daily snowfall	12.7 cm (5.0 in)	51 of 100 (Notable)
Grantsburg	United States	Record daily precipitation	47.0 mm (1.9 in)	51 of 100 (Notable)
Zortman	United States	Record daily snowfall	15.2 cm (6.0 in)	50 of 100 (Notable)
Britton	United States	Record daily precipitation	40.6 mm (1.6 in)	50 of 100 (Notable)
Granite Falls	United States	Record daily precipitation	47.8 mm (1.9 in)	49 of 100 (Notable)
Plevna	United States	Record low maximum temperature	3.3 C (37.9 F)	48 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Camp Crook	United States	Record daily precipitation	42.2 mm (1.7 in)	47 of 100 (Notable)
Camp Crook	United States	Record snow depth	12.7 cm (5.0 in)	47 of 100 (Notable)
Sundance	United States	Record daily snowfall	5.3 cm (2.1 in)	47 of 100 (Notable)
Flatwillow 4 ENE	United States	Record daily snowfall	7.6 cm (3.0 in)	46 of 100 (Notable)
Medora	United States	Record daily precipitation	37.1 mm (1.5 in)	46 of 100 (Notable)
Linxi	China	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
New England	United States	Record low maximum temperature	3.9 C (39.0 F)	45 of 100 (Notable)
Dunn Ctr 1E	United States	Record daily precipitation	28.4 mm (1.1 in)	44 of 100 (Notable)
Brookton	Australia	Record low maximum temperature	6.5 C (43.7 F)	43 of 100 (Notable)
Beaver Is	United States	Record daily precipitation	39.1 mm (1.5 in)	43 of 100 (Notable)
Moose Lake 1 SSE	United States	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Richardton Abbey	United States	Record daily snowfall	6.4 cm (2.5 in)	43 of 100 (Notable)
Ipswich	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Timber Lake	United States	Record low maximum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Mullewa	Australia	Record low minimum temperature	3.1 C (37.6 F)	42 of 100 (Notable)
Ekalaka	United States	Record snow depth	12.7 cm (5.0 in)	42 of 100 (Notable)
Water Valley 11 NNE	United States	Record daily precipitation	48.5 mm (1.9 in)	42 of 100 (Notable)
Wynne	United States	Record high maximum temperature	33.3 C (91.9 F)	41 of 100 (Notable)
Glendive	United States	Record low maximum temperature	6.1 C (43.0 F)	41 of 100 (Notable)
Greenville	United States	Record high maximum temperature	35.0 C (95.0 F)	41 of 100 (Notable)
De Smet	United States	Record daily precipitation	54.4 mm (2.1 in)	41 of 100 (Notable)
Galata 16 SW	United States	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Winifred	United States	Record snow depth	10.2 cm (4.0 in)	40 of 100 (Notable)
Mc Intosh 6 SE	United States	Record low maximum temperature	5.6 C (42.1 F)	40 of 100 (Notable)
Wilmot	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
McKinney Muni AP	United States	Record daily precipitation	54.9 mm (2.2 in)	40 of 100 (Notable)
Lunner	Norway	Record daily precipitation	25.5 mm (1.0 in)	39 of 100 (Notable)
Center 4SE	United States	Record daily precipitation	38.4 mm (1.5 in)	39 of 100 (Notable)
Dickinson Exp STN	United States	Record daily precipitation	30.7 mm (1.2 in)	39 of 100 (Notable)
Mandan Exp STN	United States	Record low maximum temperature	6.1 C (43.0 F)	39 of 100 (Notable)
Cedar Rapids Muni AP	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Baterod	Norway	Record daily precipitation	28.3 mm (1.1 in)	38 of 100 (Notable)
Browns Valley	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)

Counts by Type and Timescale

810 records

Records set or tied on 18 May 2019 by type: Highest daily maximum 95, Lowest daily maximum 218, Highest daily minimum 135, Lowest daily minimum 96, Heaviest daily rainfall 199, Heaviest daily snowfall 45, Deepest snow cover 22.

Records on 18 May 2019 by type
Record type	Records
Highest daily maximum	95
Lowest daily maximum	218
Highest daily minimum	135
Lowest daily minimum	96
Heaviest daily rainfall	199
Heaviest daily snowfall	45
Deepest snow cover	22

Records on 18 May 2019 by timescale: all-time 1, monthly 18, daily 791.

How Much Records Were Beaten By

678 broken records

Margins by which the 678 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 200.0. Ties are not counted.

Top 20 by Significance

18 May 2019

Top 20 records on 18 May 2019 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 May 2019	San Sebastian - Igueldo, ES	daily rain	84.8 mm (3.3 in)	50.0 mm (2.0 in)	88 years	76 of 100 (Major)
18 May 2019	Hissar, IN	daily rain	69.1 mm (2.7 in)	54.4 mm (2.1 in)	61 years	68 of 100 (Major)
18 May 2019	Ekalaka, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	119 years	65 of 100 (Major)
18 May 2019	Visby_Flygplats, SE	daily rain	30.1 mm (1.2 in)	10.5 mm (0.4 in)	92 years	62 of 100 (Major)
18 May 2019	Wessington Springs, US	daily rain	61.0 mm (2.4 in)	43.5 mm (1.7 in)	56 years	62 of 100 (Major)
18 May 2019	Webster, US	daily rain	50.8 mm (2.0 in)	37.8 mm (1.5 in)	56 years	61 of 100 (Major)
18 May 2019	Palestine 2 NE, US	monthly rain	162.6 mm (6.4 in)	49.1 mm (1.9 in)	48 years	61 of 100 (Major)
18 May 2019	Lindong, CN	daily rain	29.7 mm (1.2 in)	19.7 mm (0.8 in)	60 years	58 of 100 (Notable)
18 May 2019	Winifred, US	monthly snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	97 years	58 of 100 (Notable)
18 May 2019	New England, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	122 years	58 of 100 (Notable)
18 May 2019	Duolun, CN	monthly rain	45.7 mm (1.8 in)	22.3 mm (0.9 in)	1 year	56 of 100 (Notable)
18 May 2019	Camenca, MD	daily rain	37.1 mm (1.5 in)	27.3 mm (1.1 in)	33 years	56 of 100 (Notable)
18 May 2019	Multan Intl, PK	monthly rain	64.0 mm (2.5 in)	30.5 mm (1.2 in)	4 years	56 of 100 (Notable)
18 May 2019	Oakland Museum, US	daily rain	28.2 mm (1.1 in)	25.7 mm (1.0 in)	37 years	56 of 100 (Notable)
18 May 2019	Grass Range, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	84 years	55 of 100 (Notable)
18 May 2019	Plevna, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	106 years	55 of 100 (Notable)
18 May 2019	Highmore, US	monthly rain	68.6 mm (2.7 in)	3.3 mm (0.13 in)	111 years	53 of 100 (Notable)
18 May 2019	Belle Fourche, US	daily low max	3.3 C (37.9 F)	7.8 C (14.0 F)	104 years	52 of 100 (Notable)
18 May 2019	Sisseton, US	daily rain	36.3 mm (1.4 in)	21.1 mm (0.8 in)	80 years	52 of 100 (Notable)
18 May 2019	Carlyle 13 NW, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	56 years	51 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

1796 to 2019

Records set or tied on this calendar date in each year from 1796 to 2019. 2019 had 810 records.

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

Records on 05-18 in each year
Year	Records
1796	1
1798	1
1802	2
1832	1
1833	1
1845	1
1847	1
1848	1
1855	1
1859	1
1861	2
1863	3
1864	1
1866	2
1868	2
1869	1
1870	1
1871	2
1872	1
1874	2
1877	4
1878	1
1879	1
1881	1
1883	2
1884	2
1885	1
1887	1
1888	4
1889	2
1891	1
1893	2
1894	4
1895	5
1896	2
1897	2
1898	1
1899	1
1900	13
1901	6
1902	9
1903	7
1904	11
1905	2
1906	24
1907	18
1908	5
1909	12
1910	50
1911	64
1912	5
1913	11
1914	45
1915	55
1916	74
1917	30
1918	42
1919	30
1920	26
1921	41
1922	33
1923	61
1924	92
1925	220
1926	133
1927	180
1928	160
1929	193
1930	475
1931	191
1932	460
1933	380
1934	390
1935	400
1936	282
1937	348
1938	382
1939	169
1940	315
1941	334
1942	421
1943	744
1944	496
1945	706
1946	651
1947	231
1948	426
1949	597
1950	473
1951	279
1952	493
1953	393
1954	498
1955	848
1956	795
1957	595
1958	334
1959	435
1960	404
1961	187
1962	1,199
1963	477
1964	329
1965	345
1966	438
1967	410
1968	817
1969	865
1970	703
1971	666
1972	499
1973	1,233
1974	1,097
1975	383
1976	733
1977	1,126
1978	1,090
1979	399
1980	614
1981	1,218
1982	452
1983	1,093
1984	717
1985	498
1986	1,131
1987	823
1988	1,154
1989	721
1990	753
1991	1,218
1992	921
1993	707
1994	1,015
1995	1,849
1996	1,767
1997	1,115
1998	1,060
1999	584
2000	922
2001	898
2002	1,833
2003	1,270
2004	847
2005	630
2006	1,493
2007	1,133
2008	999
2009	1,368
2010	894
2011	1,406
2012	523
2013	816
2014	609
2015	785
2016	597
2017	1,855
2018	557
2019	810
2020	706
2021	418
2022	711
2023	554
2024	551
2025	619
2026	1,131

Download the Data

Data for records on 2019-05-18: 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 25	612
25 to 50	37
50 to 75	16
75 to 100	2
100 to 125	2
125 to 150	5
150 to 175	2
175 to 200	2