Weather Records on 15 May 2003

1,023 weather records were set or tied worldwide on 15 May 2003. Highest significance: Cape Moreton Lighthouse, AU.

Key Facts for 15 May 2003

On 15 May 2003, 1,023 weather records were set or tied at long-record stations worldwide.
598 were record highs and 106 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 28 monthly and 990 daily.
Cape Moreton Lighthouse set a daily record precipitation of 149.4 mm (5.9 in) on 15 May 2003.
Across 162 earlier years (1820 to 2026) the same calendar date averaged 427 records.

Record Map

1,023 stations

1,023 station records on 15 May 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 May 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape Moreton Lighthouse	Australia	Record daily precipitation	149.4 mm (5.9 in)	69 of 100 (Major)
Slutsk	Belarus	Record daily precipitation	49.3 mm (1.9 in)	61 of 100 (Major)
Fairview Outstation	Australia	Record daily precipitation	28.0 mm (1.1 in)	60 of 100 (Major)
Oxenford (Oberon Way)	Australia	Record daily precipitation	167.0 mm (6.6 in)	60 of 100 (Major)
Calhoun 2 N	United States	Record daily precipitation	139.7 mm (5.5 in)	60 of 100 (Major)
Seal Rocks Camping Reserve	Australia	Record daily precipitation	116.0 mm (4.6 in)	58 of 100 (Notable)
Liberal	United States	Record daily precipitation	81.8 mm (3.2 in)	55 of 100 (Notable)
Gerringong (Mayflower Village)	Australia	Record daily precipitation	102.0 mm (4.0 in)	54 of 100 (Notable)
Southport Ridgeway Ave	Australia	Record daily precipitation	134.2 mm (5.3 in)	53 of 100 (Notable)
Moorland (Denro-An)	Australia	Record daily precipitation	89.6 mm (3.5 in)	51 of 100 (Notable)
Dunwich	Australia	Record daily precipitation	154.1 mm (6.1 in)	50 of 100 (Notable)
Tenosique (Smn)	Mexico	Record high maximum temperature	46.7 C (116.1 F)	50 of 100 (Notable)
Ruston la Tech	United States	Record daily precipitation	115.8 mm (4.6 in)	50 of 100 (Notable)
Piper City	United States	Record daily precipitation	54.4 mm (2.1 in)	48 of 100 (Notable)
Dirranbandi High School	Australia	Record daily precipitation	37.0 mm (1.5 in)	47 of 100 (Notable)
Montague Island Lighthouse	Australia	Record daily precipitation	77.0 mm (3.0 in)	47 of 100 (Notable)
Veselyi Podil	Ukraine	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Haynesville	United States	Record daily precipitation	71.6 mm (2.8 in)	47 of 100 (Notable)
Akron Canton AP	United States	Record daily precipitation	45.2 mm (1.8 in)	47 of 100 (Notable)
Kiama Bowling Club	Australia	Record daily precipitation	126.0 mm (5.0 in)	46 of 100 (Notable)
Tweed Heads Golf Club	Australia	Record daily precipitation	65.6 mm (2.6 in)	45 of 100 (Notable)
Jervis Bay (Point Perpendicula	Australia	Record daily precipitation	130.8 mm (5.1 in)	45 of 100 (Notable)
Russell Island	Australia	Record daily precipitation	118.0 mm (4.6 in)	44 of 100 (Notable)
Lepel	Belarus	Record daily precipitation	40.6 mm (1.6 in)	44 of 100 (Notable)
Minsk	Belarus	Record daily precipitation	40.1 mm (1.6 in)	44 of 100 (Notable)
Plymouth: Mountbatten	United Kingdom	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
State UNIV	United States	Record daily precipitation	52.3 mm (2.1 in)	44 of 100 (Notable)
Boulder	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Windang Bowling Club	Australia	Record daily precipitation	96.0 mm (3.8 in)	43 of 100 (Notable)
Kargopol	Russia	Record high minimum temperature	12.5 C (54.5 F)	43 of 100 (Notable)
Jetmore 8NNW	United States	Record daily precipitation	51.8 mm (2.0 in)	42 of 100 (Notable)
Jonesboro 4 ENE	United States	Record daily precipitation	121.9 mm (4.8 in)	42 of 100 (Notable)
Springhill	United States	Record daily precipitation	71.1 mm (2.8 in)	42 of 100 (Notable)
Nerang Gilston Rd	Australia	Record daily precipitation	90.2 mm (3.6 in)	41 of 100 (Notable)
Kurnell (Caltex Oil Refinery)	Australia	Record daily precipitation	71.4 mm (2.8 in)	41 of 100 (Notable)
C.A.E. la Victoria	Mexico	Record daily precipitation	48.8 mm (1.9 in)	41 of 100 (Notable)
San Jose Valle	Mexico	Record daily precipitation	39.9 mm (1.6 in)	41 of 100 (Notable)
Ona Husoy	Norway	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Randwick Bowling Club	Australia	Record daily precipitation	67.4 mm (2.7 in)	40 of 100 (Notable)
Karasjok	Norway	Record high minimum temperature	7.1 C (44.8 F)	40 of 100 (Notable)
Vardoe	Norway	Record high minimum temperature	5.3 C (41.5 F)	40 of 100 (Notable)
Gunnison 3SW	United States	Record high minimum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Hosston	United States	Record daily precipitation	72.9 mm (2.9 in)	40 of 100 (Notable)
Redlands Hrs	Australia	Record daily precipitation	90.4 mm (3.6 in)	39 of 100 (Notable)
Redland Bay Qld Uni Farm	Australia	Record daily precipitation	98.4 mm (3.9 in)	39 of 100 (Notable)
San Miguel Ejutla	Mexico	Record low minimum temperature	10.0 C (50.0 F)	39 of 100 (Notable)
Forster - Tuncurry R.V.C.P.	Australia	Record daily precipitation	183.0 mm (7.2 in)	38 of 100 (Notable)
Kendall Post Office	Australia	Record daily precipitation	63.2 mm (2.5 in)	38 of 100 (Notable)
Centennial Park	Australia	Record daily precipitation	68.0 mm (2.7 in)	38 of 100 (Notable)
Hay (Epsom Downs)	Australia	Record daily precipitation	27.4 mm (1.1 in)	38 of 100 (Notable)
San Jose de Raices	Mexico	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Hugoton	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Tallulah	United States	Record daily precipitation	78.2 mm (3.1 in)	38 of 100 (Notable)
Woodruff	United States	Record high minimum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Chillingham	Australia	Record daily precipitation	82.0 mm (3.2 in)	37 of 100 (Notable)
Tomewin (Border Gate)	Australia	Record daily precipitation	112.0 mm (4.4 in)	37 of 100 (Notable)
Mogilev	Belarus	Record daily precipitation	25.5 mm (1.0 in)	37 of 100 (Notable)
Larned	United States	Record daily precipitation	44.5 mm (1.8 in)	37 of 100 (Notable)
Arcadia	United States	Record daily precipitation	95.5 mm (3.8 in)	37 of 100 (Notable)
Mosman (Bapaume Road)	Australia	Record daily precipitation	71.2 mm (2.8 in)	36 of 100 (Notable)

Counts by Type and Timescale

1,023 records

Records set or tied on 15 May 2003 by type: Highest daily maximum 315, Lowest daily maximum 52, Highest daily minimum 283, Lowest daily minimum 54, Heaviest daily rainfall 319.

Records on 15 May 2003 by type
Record type	Records
Highest daily maximum	315
Lowest daily maximum	52
Highest daily minimum	283
Lowest daily minimum	54
Heaviest daily rainfall	319
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 May 2003 by timescale: all-time 5, monthly 28, daily 990.

How Much Records Were Beaten By

803 broken records

Margins by which the 803 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 124.8. Ties are not counted.

Top 20 by Significance

15 May 2003

Top 20 records on 15 May 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 2003	Cape Moreton Lighthouse, AU	daily rain	149.4 mm (5.9 in)	70.2 mm (2.8 in)	64 years	69 of 100 (Major)
15 May 2003	Slutsk, BY	monthly rain	49.3 mm (1.9 in)	17.2 mm (0.7 in)	35 years	61 of 100 (Major)
15 May 2003	Fairview Outstation, AU	daily rain	28.0 mm (1.1 in)	20.1 mm (0.8 in)	72 years	60 of 100 (Major)
15 May 2003	Oxenford (Oberon Way), AU	daily rain	167.0 mm (6.6 in)	124.8 mm (4.9 in)	33 years	60 of 100 (Major)
15 May 2003	Calhoun 2 N, US	daily rain	139.7 mm (5.5 in)	75.7 mm (3.0 in)	49 years	60 of 100 (Major)
15 May 2003	Seal Rocks Camping Reserve, AU	daily rain	116.0 mm (4.6 in)	52.8 mm (2.1 in)	60 years	58 of 100 (Notable)
15 May 2003	Liberal, US	daily rain	81.8 mm (3.2 in)	32.0 mm (1.3 in)	80 years	55 of 100 (Notable)
15 May 2003	Gerringong (Mayflower Village), AU	daily rain	102.0 mm (4.0 in)	62.6 mm (2.5 in)	60 years	54 of 100 (Notable)
15 May 2003	Southport Ridgeway Ave, AU	daily rain	134.2 mm (5.3 in)	75.0 mm (3.0 in)	33 years	53 of 100 (Notable)
15 May 2003	Moorland (Denro-An), AU	daily rain	89.6 mm (3.5 in)	44.9 mm (1.8 in)	61 years	51 of 100 (Notable)
15 May 2003	Dunwich, AU	daily rain	154.1 mm (6.1 in)	82.2 mm (3.2 in)	33 years	50 of 100 (Notable)
15 May 2003	Tenosique (Smn), MX	all-time high max	46.7 C (116.1 F)	1.1 C (2.0 F)	66 years	50 of 100 (Notable)
15 May 2003	Ruston la Tech, US	daily rain	115.8 mm (4.6 in)	48.5 mm (1.9 in)	60 years	50 of 100 (Notable)
15 May 2003	Piper City, US	daily rain	54.4 mm (2.1 in)	28.2 mm (1.1 in)	60 years	48 of 100 (Notable)
15 May 2003	Dirranbandi High School, AU	daily rain	37.0 mm (1.5 in)	16.4 mm (0.6 in)	76 years	47 of 100 (Notable)
15 May 2003	Montague Island Lighthouse, AU	daily rain	77.0 mm (3.0 in)	44.0 mm (1.7 in)	34 years	47 of 100 (Notable)
15 May 2003	Veselyi Podil, UA	daily rain	34.0 mm (1.3 in)	21.5 mm (0.8 in)	13 years	47 of 100 (Notable)
15 May 2003	Haynesville, US	daily rain	71.6 mm (2.8 in)	44.7 mm (1.8 in)	60 years	47 of 100 (Notable)
15 May 2003	Akron Canton AP, US	daily rain	45.2 mm (1.8 in)	27.9 mm (1.1 in)	41 years	47 of 100 (Notable)
15 May 2003	Kiama Bowling Club, AU	daily rain	126.0 mm (5.0 in)	61.0 mm (2.4 in)	25 years	46 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 2003

Records set or tied on this calendar date in each year from 1820 to 2003. 2003 had 1,023 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 2003-05-15: 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 20	742
20 to 40	35
40 to 60	17
60 to 80	6
80 to 100	2
100 to 120	0
120 to 140	1