Weather Records on 15 May 2026

481 weather records were set or tied worldwide on 15 May 2026. Highest significance: Lihue WSO AP 1020.1, US.

Key Facts for 15 May 2026

On 15 May 2026, 481 weather records were set or tied at long-record stations worldwide.
221 were record highs and 157 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 8 monthly and 471 daily.
Lihue WSO AP 1020.1 set a daily record precipitation of 115.3 mm (4.5 in) on 15 May 2026.
Across 162 earlier years (1820 to 2025) the same calendar date averaged 430 records.

Record Map

481 stations

481 station records on 15 May 2026 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 2026: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lihue WSO AP 1020.1	United States	Record daily precipitation	115.3 mm (4.5 in)	66 of 100 (Major)
Fora	Sweden	Record daily precipitation	29.5 mm (1.2 in)	57 of 100 (Notable)
Edward Macdowell Lake	United States	Record daily precipitation	65.0 mm (2.6 in)	56 of 100 (Notable)
Union Village Dam	United States	Record daily precipitation	47.2 mm (1.9 in)	56 of 100 (Notable)
Princeville Rch 1117	United States	Record daily precipitation	81.0 mm (3.2 in)	52 of 100 (Notable)
Franklin Falls Dam	United States	Record daily precipitation	50.0 mm (2.0 in)	49 of 100 (Notable)
Durango Dgo.	Mexico	Record high minimum temperature	27.0 C (80.6 F)	46 of 100 (Notable)
Farson 2NNE	United States	Record high maximum temperature	30.6 C (87.1 F)	46 of 100 (Notable)
N Conway	United States	Record daily precipitation	63.0 mm (2.5 in)	45 of 100 (Notable)
Cuddalore	India	Record low maximum temperature	27.6 C (81.7 F)	43 of 100 (Notable)
Ciudad Constitucion	Mexico	Record high minimum temperature	23.2 C (73.8 F)	42 of 100 (Notable)
Solomons	United States	Record low minimum temperature	5.0 C (41.0 F)	42 of 100 (Notable)
Kingsport	United States	Record low minimum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Blackfoot Fire Dept	United States	Record high maximum temperature	31.1 C (88.0 F)	41 of 100 (Notable)
Richfield	United States	Record high maximum temperature	37.8 C (100.0 F)	41 of 100 (Notable)
Quicksand	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
State College	United States	Record low maximum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Walhalla	United States	Record low minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Concordia ASOS	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Manzanillo	Mexico	Record high maximum temperature	39.0 C (102.2 F)	40 of 100 (Notable)
Lakin	United States	Record high maximum temperature	37.8 C (100.0 F)	40 of 100 (Notable)
Mudanjiang	China	Record high minimum temperature	21.0 C (69.8 F)	39 of 100 (Notable)
Ciudad Victoria	Mexico	Record high maximum temperature	44.0 C (111.2 F)	39 of 100 (Notable)
Tapachula Chis	Mexico	Record low minimum temperature	8.4 C (47.1 F)	39 of 100 (Notable)
Birch Hill Dam	United States	Record daily precipitation	35.8 mm (1.4 in)	39 of 100 (Notable)
Hastings 4N	United States	Record high maximum temperature	35.6 C (96.1 F)	39 of 100 (Notable)
Ashburnham	United States	Record daily precipitation	46.0 mm (1.8 in)	38 of 100 (Notable)
Guadalajara	Mexico	Record high minimum temperature	22.7 C (72.9 F)	37 of 100 (Notable)
Owyhee Dam	United States	Record high maximum temperature	34.4 C (93.9 F)	37 of 100 (Notable)
Bluff	United States	Record high maximum temperature	33.9 C (93.0 F)	37 of 100 (Notable)
Concordia ASOS	United States	Record high maximum temperature	35.0 C (95.0 F)	37 of 100 (Notable)
Parafield Airport	Australia	Record high minimum temperature	17.9 C (64.2 F)	36 of 100 (Notable)
Kjevik	Norway	Record daily precipitation	46.4 mm (1.8 in)	36 of 100 (Notable)
Dovland	Norway	Record daily precipitation	55.4 mm (2.2 in)	36 of 100 (Notable)
Hollis	United States	Record daily precipitation	52.1 mm (2.1 in)	36 of 100 (Notable)
Kennebunkport	United States	Record daily precipitation	57.9 mm (2.3 in)	36 of 100 (Notable)
Wellsboro 4 SW	United States	Record low maximum temperature	7.8 C (46.0 F)	36 of 100 (Notable)
Plainview	United States	Record high minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Spur	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Clearbrook	United States	Record daily precipitation	30.7 mm (1.2 in)	36 of 100 (Notable)
Inhambane	Mozambique	Record high minimum temperature	24.2 C (75.6 F)	35 of 100 (Notable)
White Sulphur Springs	United States	Record low maximum temperature	8.9 C (48.0 F)	35 of 100 (Notable)
Nuuanu Rsch 4 783	United States	Record daily precipitation	99.1 mm (3.9 in)	35 of 100 (Notable)
Tlaxcala de Xicontecatl (Dge)	Mexico	Record high minimum temperature	17.0 C (62.6 F)	34 of 100 (Routine)
Bath	United States	Record daily precipitation	62.0 mm (2.4 in)	34 of 100 (Routine)
Mexico City	Mexico	Record high maximum temperature	38.4 C (101.1 F)	33 of 100 (Routine)
Newcastle	United States	Record daily precipitation	30.2 mm (1.2 in)	33 of 100 (Routine)
Hobart Muni AP	United States	Record high maximum temperature	40.0 C (104.0 F)	33 of 100 (Routine)
Elk City 4 W	United States	Record high maximum temperature	39.4 C (102.9 F)	32 of 100 (Routine)
Tipton 4S Mesonet	United States	Record high maximum temperature	40.0 C (104.0 F)	32 of 100 (Routine)
Beckley Va Hospital	United States	Record low maximum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Kalihi Rsch Site 777	United States	Record daily precipitation	88.6 mm (3.5 in)	32 of 100 (Routine)
Lone Rock Tri Co AP	United States	Record daily precipitation	33.3 mm (1.3 in)	32 of 100 (Routine)
Cavern City AP	United States	Record high minimum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Ashland	United States	Record high maximum temperature	38.9 C (102.0 F)	31 of 100 (Routine)
Gastonia	United States	Record low minimum temperature	5.0 C (41.0 F)	31 of 100 (Routine)
Jackson Springs 5 WNW	United States	Record low minimum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Confluence 1 SW Dam	United States	Record low maximum temperature	8.3 C (46.9 F)	31 of 100 (Routine)
Tionesta 2 SE Lake	United States	Record low maximum temperature	8.9 C (48.0 F)	31 of 100 (Routine)
Warren	United States	Record low maximum temperature	7.2 C (45.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

481 records

Records set or tied on 15 May 2026 by type: Highest daily maximum 122, Lowest daily maximum 92, Highest daily minimum 99, Lowest daily minimum 65, Heaviest daily rainfall 102, Deepest snow cover 1.

Records on 15 May 2026 by type
Record type	Records
Highest daily maximum	122
Lowest daily maximum	92
Highest daily minimum	99
Lowest daily minimum	65
Heaviest daily rainfall	102
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 15 May 2026 by timescale: all-time 2, monthly 8, daily 471.

How Much Records Were Beaten By

377 broken records

Margins by which the 377 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.6. Ties are not counted.

Top 20 by Significance

15 May 2026

Top 20 records on 15 May 2026 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 2026	Lihue WSO AP 1020.1, US	daily rain	115.3 mm (4.5 in)	73.6 mm (2.9 in)	64 years	66 of 100 (Major)
15 May 2026	Fora, SE	daily rain	29.5 mm (1.2 in)	25.6 mm (1.0 in)	41 years	57 of 100 (Notable)
15 May 2026	Edward Macdowell Lake, US	daily rain	65.0 mm (2.6 in)	33.2 mm (1.3 in)	61 years	56 of 100 (Notable)
15 May 2026	Union Village Dam, US	daily rain	47.2 mm (1.9 in)	28.1 mm (1.1 in)	61 years	56 of 100 (Notable)
15 May 2026	Princeville Rch 1117, US	daily rain	81.0 mm (3.2 in)	50.8 mm (2.0 in)	32 years	52 of 100 (Notable)
15 May 2026	Franklin Falls Dam, US	daily rain	50.0 mm (2.0 in)	26.6 mm (1.0 in)	49 years	49 of 100 (Notable)
15 May 2026	Durango Dgo., MX	daily high min	27.0 C (80.6 F)	12.0 C (21.6 F)	4 years	46 of 100 (Notable)
15 May 2026	Farson 2NNE, US	daily high max	30.6 C (87.1 F)	3.9 C (7.0 F)	99 years	46 of 100 (Notable)
15 May 2026	N Conway, US	daily rain	63.0 mm (2.5 in)	39.4 mm (1.6 in)	8 years	45 of 100 (Notable)
15 May 2026	Cuddalore, IN	daily low max	27.6 C (81.7 F)	4.6 C (8.3 F)	64 years	43 of 100 (Notable)
15 May 2026	Ciudad Constitucion, MX	daily high min	23.2 C (73.8 F)	6.7 C (12.1 F)	29 years	42 of 100 (Notable)
15 May 2026	Solomons, US	daily low min	5.0 C (41.0 F)	1.1 C (2.0 F)	105 years	42 of 100 (Notable)
15 May 2026	Kingsport, US	daily low min	2.8 C (37.0 F)	1.1 C (2.0 F)	108 years	42 of 100 (Notable)
15 May 2026	Blackfoot Fire Dept, US	daily high max	31.1 C (88.0 F)	1.1 C (2.0 F)	128 years	41 of 100 (Notable)
15 May 2026	Richfield, US	daily high max	37.8 C (100.0 F)	2.2 C (4.0 F)	95 years	41 of 100 (Notable)
15 May 2026	Quicksand, US	daily low max	15.6 C (60.1 F)	1.1 C (2.0 F)	99 years	41 of 100 (Notable)
15 May 2026	State College, US	daily low max	9.4 C (48.9 F)	0.6 C (1.1 F)	137 years	41 of 100 (Notable)
15 May 2026	Walhalla, US	daily low min	3.9 C (39.0 F)	0.5 C (0.9 F)	121 years	41 of 100 (Notable)
15 May 2026	Concordia ASOS, US	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	131 years	41 of 100 (Notable)
15 May 2026	Manzanillo, MX	daily high max	39.0 C (102.2 F)	4.4 C (7.9 F)	36 years	40 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

1820 to 2026

Records set or tied on this calendar date in each year from 1820 to 2026. 2026 had 481 records.

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

Records on 05-15 in each year
Year	Records
1820	1
1825	1
1831	1
1832	1
1837	2
1845	1
1847	2
1848	1
1855	2
1857	2
1859	1
1862	1
1863	1
1865	1
1866	2
1867	1
1868	2
1870	1
1871	3
1874	2
1876	4
1878	1
1879	2
1881	1
1883	1
1885	1
1886	2
1888	3
1891	3
1893	5
1894	2
1895	4
1896	2
1897	4
1898	3
1899	9
1900	9
1901	2
1902	9
1903	4
1904	13
1905	16
1906	10
1907	27
1908	25
1909	89
1910	27
1911	27
1912	26
1913	60
1914	16
1915	236
1916	27
1917	80
1918	133
1919	25
1920	58
1921	92
1922	30
1923	125
1924	174
1925	100
1926	161
1927	191
1928	144
1929	161
1930	136
1931	459
1932	368
1933	439
1934	227
1935	288
1936	372
1937	373
1938	393
1939	351
1940	179
1941	454
1942	701
1943	568
1944	630
1945	588
1946	238
1947	334
1948	264
1949	363
1950	260
1951	736
1952	476
1953	426
1954	355
1955	538
1956	466
1957	521
1958	605
1959	764
1960	291
1961	508
1962	1,128
1963	782
1964	347
1965	320
1966	389
1967	609
1968	1,019
1969	790
1970	512
1971	351
1972	484
1973	818
1974	1,230
1975	372
1976	803
1977	1,186
1978	922
1979	404
1980	625
1981	586
1982	500
1983	1,215
1984	1,059
1985	649
1986	679
1987	1,073
1988	643
1989	552
1990	776
1991	1,179
1992	944
1993	784
1994	910
1995	1,750
1996	1,452
1997	1,175
1998	1,641
1999	810
2000	850
2001	1,280
2002	801
2003	1,023
2004	1,046
2005	767
2006	955
2007	949
2008	995
2009	675
2010	1,088
2011	1,298
2012	751
2013	1,081
2014	1,411
2015	717
2016	890
2017	435
2018	1,074
2019	627
2020	472
2021	412
2022	847
2023	566
2024	596
2025	801
2026	481

Download the Data

Data for records on 2026-05-15: 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Margin	Records
0 to 10	346
10 to 20	15
20 to 30	6
30 to 40	8
40 to 50	0
50 to 60	1
60 to 70	0
70 to 80	1