Weather Records on 25 May 2015

407 weather records were set or tied worldwide on 25 May 2015. Highest significance: Boca, US.

Key Facts for 25 May 2015

On 25 May 2015, 407 weather records were set or tied at long-record stations worldwide.
128 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 401 daily.
Boca set a daily record precipitation of 33.8 mm (1.3 in) on 25 May 2015.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 443 records.

Record Map

407 stations

407 station records on 25 May 2015 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 May 2015: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boca	United States	Record daily precipitation	33.8 mm (1.3 in)	77 of 100 (Major)
Hohenwald	United States	Record daily precipitation	92.7 mm (3.6 in)	72 of 100 (Major)
Austin-Camp Mabry	United States	Record daily precipitation	132.1 mm (5.2 in)	65 of 100 (Major)
Manati 2 E	Puerto Rico [United States]	Record low minimum temperature	15.6 C (60.1 F)	55 of 100 (Notable)
Manila	United States	Record daily precipitation	29.2 mm (1.1 in)	55 of 100 (Notable)
Ft Valley	United States	Record high minimum temperature	10.6 C (51.1 F)	53 of 100 (Notable)
Kosciusko	United States	Record daily precipitation	61.7 mm (2.4 in)	52 of 100 (Notable)
Houston Intercontinental AP	United States	Record daily precipitation	110.2 mm (4.3 in)	52 of 100 (Notable)
Aberdeen	United States	Record daily precipitation	91.7 mm (3.6 in)	51 of 100 (Notable)
Bellevue L/D 12	United States	Record daily precipitation	45.2 mm (1.8 in)	50 of 100 (Notable)
Plant City	United States	Record daily precipitation	66.0 mm (2.6 in)	48 of 100 (Notable)
Grenada	United States	Record daily precipitation	51.6 mm (2.0 in)	48 of 100 (Notable)
Giddings 5E	United States	Record daily precipitation	90.9 mm (3.6 in)	46 of 100 (Notable)
Buffalo	United States	Record daily precipitation	52.8 mm (2.1 in)	46 of 100 (Notable)
Brodhead Wwtp	United States	Record daily precipitation	33.0 mm (1.3 in)	45 of 100 (Notable)
Meeker	United States	Record low maximum temperature	7.8 C (46.0 F)	44 of 100 (Notable)
Pellston Rgnl AP	United States	Record daily precipitation	44.5 mm (1.8 in)	44 of 100 (Notable)
Rison	United States	Record daily precipitation	25.4 mm (1.0 in)	43 of 100 (Notable)
Kewaunee	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Brillion	United States	Record daily precipitation	43.2 mm (1.7 in)	42 of 100 (Notable)
Black Mtn	United States	Record daily precipitation	37.3 mm (1.5 in)	42 of 100 (Notable)
Shirland	United States	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Ft Duchesne	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Houston William P Hobby AP	United States	Record daily precipitation	100.3 mm (3.9 in)	40 of 100 (Notable)
Battiest	United States	Record daily precipitation	115.3 mm (4.5 in)	39 of 100 (Notable)
Cedar Vale 5SSE	United States	Record daily precipitation	94.7 mm (3.7 in)	38 of 100 (Notable)
Maud	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Wisconsin Dells Wwtp	United States	Record daily precipitation	40.9 mm (1.6 in)	37 of 100 (Notable)
Paraburdoo Aero	Australia	Record daily precipitation	36.0 mm (1.4 in)	36 of 100 (Notable)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	-3.0 C (26.6 F)	36 of 100 (Notable)
Bay Minette	United States	Record daily precipitation	101.6 mm (4.0 in)	35 of 100 (Notable)
Fredericksburg	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Kailua 446	United States	Record daily precipitation	46.7 mm (1.8 in)	35 of 100 (Notable)
Khorog	Tajikistan	Record low minimum temperature	1.5 C (34.7 F)	34 of 100 (Routine)
Ogallala	United States	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Buffalo Bill Dam	United States	Record daily precipitation	47.5 mm (1.9 in)	34 of 100 (Routine)
Pavillion	United States	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Melilla	Spain	Record daily precipitation	26.9 mm (1.1 in)	33 of 100 (Routine)
Milford Gm Proving Ground	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Winona 5 E	United States	Record daily precipitation	83.6 mm (3.3 in)	33 of 100 (Routine)
Farmington	United States	Record daily precipitation	50.5 mm (2.0 in)	33 of 100 (Routine)
Pactola Dam	United States	Record daily precipitation	49.3 mm (1.9 in)	33 of 100 (Routine)
Ladysmith 3W	United States	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Boysen Dam	United States	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Petersburg 1	United States	Record high minimum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Coolawanyah	Australia	Record daily precipitation	36.0 mm (1.4 in)	32 of 100 (Routine)
Newman Aero	Australia	Record daily precipitation	28.2 mm (1.1 in)	32 of 100 (Routine)
Guantanamo Bay NAS	Cuba	Record high maximum temperature	35.6 C (96.1 F)	32 of 100 (Routine)
Sauda	Norway	Record low maximum temperature	9.9 C (49.8 F)	32 of 100 (Routine)
Maple City 1E	United States	Record daily precipitation	45.7 mm (1.8 in)	32 of 100 (Routine)
Yazoo City 5 NNE	United States	Record daily precipitation	73.7 mm (2.9 in)	32 of 100 (Routine)
Clarksville Wwtp	United States	Record daily precipitation	40.9 mm (1.6 in)	32 of 100 (Routine)
Chattanooga AP	United States	Record daily precipitation	26.9 mm (1.1 in)	32 of 100 (Routine)
Austin Bergstrom Intl AP	United States	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)
Galena	United States	Record daily precipitation	30.7 mm (1.2 in)	31 of 100 (Routine)
Sardis Dam	United States	Record daily precipitation	32.8 mm (1.3 in)	31 of 100 (Routine)
Wister 3S	United States	Record low maximum temperature	22.2 C (72.0 F)	31 of 100 (Routine)
Alta	United States	Record daily precipitation	30.2 mm (1.2 in)	31 of 100 (Routine)
Lufkin Angelina Co AP	United States	Record daily precipitation	59.4 mm (2.3 in)	31 of 100 (Routine)
Beaver Dam Wwtp	United States	Record daily precipitation	39.4 mm (1.6 in)	30 of 100 (Routine)

Counts by Type and Timescale

407 records

Records set or tied on 25 May 2015 by type: Highest daily maximum 50, Lowest daily maximum 52, Highest daily minimum 78, Lowest daily minimum 29, Heaviest daily rainfall 196, Deepest snow cover 2.

Records on 25 May 2015 by type
Record type	Records
Highest daily maximum	50
Lowest daily maximum	52
Highest daily minimum	78
Lowest daily minimum	29
Heaviest daily rainfall	196
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 25 May 2015 by timescale: all-time 0, monthly 6, daily 401.

How Much Records Were Beaten By

336 broken records

Margins by which the 336 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 280.0. Ties are not counted.

Top 20 by Significance

25 May 2015

Top 20 records on 25 May 2015 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 May 2015	Boca, US	daily rain	33.8 mm (1.3 in)	23.6 mm (0.9 in)	97 years	77 of 100 (Major)
25 May 2015	Hohenwald, US	daily rain	92.7 mm (3.6 in)	77.2 mm (3.0 in)	76 years	72 of 100 (Major)
25 May 2015	Austin-Camp Mabry, US	daily rain	132.1 mm (5.2 in)	89.9 mm (3.5 in)	60 years	65 of 100 (Major)
25 May 2015	Manati 2 E, PR	daily low min	15.6 C (60.1 F)	2.2 C (4.0 F)	112 years	55 of 100 (Notable)
25 May 2015	Manila, US	daily rain	29.2 mm (1.1 in)	16.5 mm (0.6 in)	60 years	55 of 100 (Notable)
25 May 2015	Ft Valley, US	monthly high min	10.6 C (51.1 F)	1.2 C (2.2 F)	100 years	53 of 100 (Notable)
25 May 2015	Kosciusko, US	daily rain	61.7 mm (2.4 in)	23.1 mm (0.9 in)	96 years	52 of 100 (Notable)
25 May 2015	Houston Intercontinental AP, US	daily rain	110.2 mm (4.3 in)	101.1 mm (4.0 in)	28 years	52 of 100 (Notable)
25 May 2015	Aberdeen, US	daily rain	91.7 mm (3.6 in)	59.9 mm (2.4 in)	17 years	51 of 100 (Notable)
25 May 2015	Bellevue L/D 12, US	daily rain	45.2 mm (1.8 in)	24.4 mm (1.0 in)	69 years	50 of 100 (Notable)
25 May 2015	Plant City, US	daily rain	66.0 mm (2.6 in)	15.2 mm (0.6 in)	104 years	48 of 100 (Notable)
25 May 2015	Grenada, US	daily rain	51.6 mm (2.0 in)	14.3 mm (0.6 in)	105 years	48 of 100 (Notable)
25 May 2015	Giddings 5E, US	daily rain	90.9 mm (3.6 in)	42.1 mm (1.7 in)	64 years	46 of 100 (Notable)
25 May 2015	Buffalo, US	daily rain	52.8 mm (2.1 in)	28.4 mm (1.1 in)	17 years	46 of 100 (Notable)
25 May 2015	Brodhead Wwtp, US	daily rain	33.0 mm (1.3 in)	8.4 mm (0.33 in)	92 years	45 of 100 (Notable)
25 May 2015	Meeker, US	daily low max	7.8 C (46.0 F)	2.2 C (4.0 F)	108 years	44 of 100 (Notable)
25 May 2015	Pellston Rgnl AP, US	daily rain	44.5 mm (1.8 in)	15.8 mm (0.6 in)	61 years	44 of 100 (Notable)
25 May 2015	Rison, US	daily rain	25.4 mm (1.0 in)	18.0 mm (0.7 in)	81 years	43 of 100 (Notable)
25 May 2015	Kewaunee, US	daily rain	50.8 mm (2.0 in)	24.4 mm (1.0 in)	30 years	43 of 100 (Notable)
25 May 2015	Brillion, US	daily rain	43.2 mm (1.7 in)	20.3 mm (0.8 in)	41 years	42 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

1793 to 2015

Records set or tied on this calendar date in each year from 1793 to 2015. 2015 had 407 records.

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

Records on 05-25 in each year
Year	Records
1793	1
1795	1
1797	1
1824	1
1830	1
1837	2
1839	1
1841	1
1846	2
1847	3
1848	1
1852	1
1864	1
1865	1
1866	2
1867	2
1868	3
1869	1
1870	1
1875	1
1879	2
1880	3
1881	1
1883	1
1886	1
1887	2
1889	3
1890	12
1891	1
1892	1
1893	1
1894	1
1895	3
1897	1
1898	5
1899	2
1900	5
1901	10
1902	2
1903	7
1904	14
1905	9
1906	41
1907	18
1908	25
1909	20
1910	35
1911	15
1912	21
1913	46
1914	33
1915	20
1916	33
1917	53
1918	22
1919	36
1920	59
1921	208
1922	118
1923	113
1924	277
1925	675
1926	221
1927	240
1928	301
1929	122
1930	156
1931	262
1932	358
1933	400
1934	219
1935	301
1936	407
1937	176
1938	456
1939	322
1940	259
1941	297
1942	534
1943	567
1944	392
1945	225
1946	371
1947	588
1948	317
1949	371
1950	644
1951	542
1952	436
1953	1,024
1954	284
1955	1,068
1956	940
1957	463
1958	439
1959	316
1960	493
1961	254
1962	567
1963	352
1964	716
1965	662
1966	295
1967	946
1968	394
1969	367
1970	385
1971	700
1972	477
1973	595
1974	820
1975	922
1976	412
1977	946
1978	581
1979	1,432
1980	1,160
1981	1,072
1982	714
1983	1,147
1984	677
1985	519
1986	500
1987	703
1988	635
1989	1,190
1990	656
1991	1,768
1992	1,682
1993	824
1994	773
1995	1,546
1996	1,304
1997	1,513
1998	882
1999	708
2000	1,417
2001	1,201
2002	1,001
2003	918
2004	903
2005	909
2006	801
2007	1,420
2008	840
2009	1,088
2010	1,512
2011	1,180
2012	1,616
2013	912
2014	761
2015	407
2016	429
2017	829
2018	800
2019	641
2020	564
2021	505
2022	752
2023	305
2024	688
2025	527
2026	913

Download the Data

Data for records on 2015-05-25: 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 50	330
50 to 100	4
100 to 150	1
150 to 200	0
200 to 250	0
250 to 300	1