Weather Records on 15 May 2004

1,046 weather records were set or tied worldwide on 15 May 2004. Highest significance: New Orleans Audubon, US.

Key Facts for 15 May 2004

On 15 May 2004, 1,046 weather records were set or tied at long-record stations worldwide.
471 were record highs and 388 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 24 monthly and 1,020 daily.
New Orleans Audubon set a daily record precipitation of 137.7 mm (5.4 in) on 15 May 2004.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 427 records.

Record Map

1,046 stations

1,046 station records on 15 May 2004 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 2004: highest significance records shown on the map
Station	Country	Type	Value	Significance
New Orleans Audubon	United States	Record daily precipitation	137.7 mm (5.4 in)	56 of 100 (Notable)
Kosciusko	United States	Record daily precipitation	78.7 mm (3.1 in)	55 of 100 (Notable)
Grenada	United States	Record daily precipitation	102.4 mm (4.0 in)	53 of 100 (Notable)
Pontotoc	United States	Record daily precipitation	88.9 mm (3.5 in)	51 of 100 (Notable)
Pontotoc Exp STN	United States	Record daily precipitation	108.0 mm (4.3 in)	49 of 100 (Notable)
Alpena Wwtp	United States	Record daily precipitation	48.3 mm (1.9 in)	49 of 100 (Notable)
West Sand Lake 2 S	United States	Record daily precipitation	41.9 mm (1.6 in)	48 of 100 (Notable)
Lexington	United States	Record daily precipitation	87.4 mm (3.4 in)	47 of 100 (Notable)
Neosho	United States	Record low maximum temperature	11.1 C (52.0 F)	46 of 100 (Notable)
Tashkent	Uzbekistan	Record high maximum temperature	38.6 C (101.5 F)	46 of 100 (Notable)
Savukoski Ruuvaoja	Finland	Record daily precipitation	27.1 mm (1.1 in)	45 of 100 (Notable)
Dover	United States	Record high minimum temperature	20.6 C (69.1 F)	45 of 100 (Notable)
Auburn	United States	Record high minimum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Tres Zapotes	Mexico	Record daily precipitation	90.2 mm (3.6 in)	44 of 100 (Notable)
Khartoum	Sudan	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Chestertown	United States	Record high minimum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Vasilevici	Belarus	Record low minimum temperature	-1.1 C (30.0 F)	43 of 100 (Notable)
Reserve	United States	Record daily precipitation	74.4 mm (2.9 in)	43 of 100 (Notable)
Lockwood	United States	Record low maximum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Ratnagiri	India	Record daily precipitation	26.9 mm (1.1 in)	42 of 100 (Notable)
Vaiden 1 SSW	United States	Record daily precipitation	74.2 mm (2.9 in)	42 of 100 (Notable)
Bolivar 1 NE	United States	Record low maximum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Windsor	United States	Record low maximum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Indian Lake 2SW	United States	Record high minimum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Renovo	United States	Record high minimum temperature	16.1 C (61.0 F)	42 of 100 (Notable)
Lawrenceville 3 E	United States	Record daily precipitation	44.5 mm (1.8 in)	42 of 100 (Notable)
Naranjal	Mexico	Record daily precipitation	66.0 mm (2.6 in)	41 of 100 (Notable)
Belle Plaine	United States	Record low minimum temperature	0.0 C (32.0 F)	41 of 100 (Notable)
Liberty 1 NE	United States	Record high minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Tupper Lake Sunmount	United States	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Watertown	United States	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	29.8 mm (1.2 in)	40 of 100 (Notable)
Petropavlovsk	Kazakhstan	Record high maximum temperature	34.8 C (94.6 F)	40 of 100 (Notable)
Playa Vicente	Mexico	Record low minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Washington	United States	Record low minimum temperature	1.7 C (35.1 F)	40 of 100 (Notable)
Cave Run Lake	United States	Record high minimum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Wooster Exp STN	United States	Record high minimum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Cornwall	United States	Record high minimum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Ny City Cntrl Park	United States	Record daily precipitation	29.5 mm (1.2 in)	40 of 100 (Notable)
Windom	United States	Record low minimum temperature	-2.8 C (27.0 F)	39 of 100 (Notable)
Hickory Flat	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Auburn	United States	Record high maximum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
Claremore 2 ENE	United States	Record low maximum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Hohenwald	United States	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)
Moorcroft 3S	United States	Record low minimum temperature	-7.2 C (19.0 F)	39 of 100 (Notable)
San Diego Curupatzeo	Mexico	Record low minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Tacambaro	Mexico	Record high minimum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Kurgan	Russia	Record high minimum temperature	20.1 C (68.2 F)	38 of 100 (Notable)
Beaumont City	United States	Record low maximum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Cameron	United States	Record low maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Tashkent	Uzbekistan	Record high minimum temperature	19.1 C (66.4 F)	38 of 100 (Notable)
Calvillo (Dge)	Mexico	Record low maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Ocosingo	Mexico	Record low maximum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Shadrinsk	Russia	Record high minimum temperature	21.0 C (69.8 F)	37 of 100 (Notable)
Inverness 3 SE	United States	Record low minimum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Coleman	United States	Record low maximum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Dibrugarh/Mohanbar	India	Record daily precipitation	83.1 mm (3.3 in)	36 of 100 (Notable)
Frontera Amatenango	Mexico	Record high minimum temperature	28.3 C (82.9 F)	36 of 100 (Notable)
San Pedro	Mexico	Record daily precipitation	53.6 mm (2.1 in)	36 of 100 (Notable)

Counts by Type and Timescale

1,046 records

Records set or tied on 15 May 2004 by type: Highest daily maximum 222, Lowest daily maximum 191, Highest daily minimum 249, Lowest daily minimum 197, Heaviest daily rainfall 185, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 15 May 2004 by type
Record type	Records
Highest daily maximum	222
Lowest daily maximum	191
Highest daily minimum	249
Lowest daily minimum	197
Heaviest daily rainfall	185
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 15 May 2004 by timescale: all-time 2, monthly 24, daily 1,020.

How Much Records Were Beaten By

810 broken records

Margins by which the 810 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.4. Ties are not counted.

Top 20 by Significance

15 May 2004

Top 20 records on 15 May 2004 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 2004	New Orleans Audubon, US	daily rain	137.7 mm (5.4 in)	73.4 mm (2.9 in)	62 years	56 of 100 (Notable)
15 May 2004	Kosciusko, US	daily rain	78.7 mm (3.1 in)	25.9 mm (1.0 in)	97 years	55 of 100 (Notable)
15 May 2004	Grenada, US	daily rain	102.4 mm (4.0 in)	51.9 mm (2.0 in)	43 years	53 of 100 (Notable)
15 May 2004	Pontotoc, US	daily rain	88.9 mm (3.5 in)	51.6 mm (2.0 in)	43 years	51 of 100 (Notable)
15 May 2004	Pontotoc Exp STN, US	daily rain	108.0 mm (4.3 in)	59.7 mm (2.4 in)	37 years	49 of 100 (Notable)
15 May 2004	Alpena Wwtp, US	daily rain	48.3 mm (1.9 in)	30.0 mm (1.2 in)	32 years	49 of 100 (Notable)
15 May 2004	West Sand Lake 2 S, US	daily rain	41.9 mm (1.6 in)	35.0 mm (1.4 in)	28 years	48 of 100 (Notable)
15 May 2004	Lexington, US	daily rain	87.4 mm (3.4 in)	56.9 mm (2.2 in)	29 years	47 of 100 (Notable)
15 May 2004	Neosho, US	daily low max	11.1 C (52.0 F)	3.3 C (5.9 F)	97 years	46 of 100 (Notable)
15 May 2004	Tashkent, UZ	daily high max	38.6 C (101.5 F)	3.6 C (6.5 F)	98 years	46 of 100 (Notable)
15 May 2004	Savukoski Ruuvaoja, FI	monthly rain	27.1 mm (1.1 in)	7.5 mm (0.30 in)	34 years	45 of 100 (Notable)
15 May 2004	Dover, US	daily high min	20.6 C (69.1 F)	2.3 C (4.1 F)	107 years	45 of 100 (Notable)
15 May 2004	Auburn, US	daily high min	18.3 C (64.9 F)	2.7 C (4.9 F)	97 years	45 of 100 (Notable)
15 May 2004	Tres Zapotes, MX	daily rain	90.2 mm (3.6 in)	60.2 mm (2.4 in)	48 years	44 of 100 (Notable)
15 May 2004	Khartoum, SD	daily rain	62.2 mm (2.4 in)	62.2 mm (2.4 in)	47 years	44 of 100 (Notable)
15 May 2004	Chestertown, US	daily high min	21.1 C (70.0 F)	2.8 C (5.0 F)	95 years	44 of 100 (Notable)
15 May 2004	Vasilevici, BY	daily low min	-1.1 C (30.0 F)	1.5 C (2.7 F)	104 years	43 of 100 (Notable)
15 May 2004	Reserve, US	daily rain	74.4 mm (2.9 in)	10.9 mm (0.4 in)	99 years	43 of 100 (Notable)
15 May 2004	Lockwood, US	daily low max	10.6 C (51.1 F)	2.2 C (4.0 F)	97 years	43 of 100 (Notable)
15 May 2004	Ratnagiri, IN	daily rain	26.9 mm (1.1 in)	3.5 mm (0.14 in)	103 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

1820 to 2004

Records set or tied on this calendar date in each year from 1820 to 2004. 2004 had 1,046 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 2004-05-15: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	736
10 to 20	33
20 to 30	16
30 to 40	9
40 to 50	6
50 to 60	5
60 to 70	4
70 to 80	1