Weather Records on 15 October 2003

737 weather records were set or tied worldwide on 15 October 2003. Highest significance: Clearwater, US.

Key Facts for 15 October 2003

On 15 October 2003, 737 weather records were set or tied at long-record stations worldwide.
276 were record highs and 146 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 728 daily.
Clearwater set a daily record precipitation of 108.0 mm (4.3 in) on 15 October 2003.
Across 159 earlier years (1794 to 2025) the same calendar date averaged 458 records.

Record Map

737 stations

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

Weather records on 15 October 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Clearwater	United States	Record daily precipitation	108.0 mm (4.3 in)	79 of 100 (Major)
Linesville 1 S	United States	Record daily precipitation	61.0 mm (2.4 in)	62 of 100 (Major)
Elkhorn	United States	Record daily precipitation	50.8 mm (2.0 in)	62 of 100 (Major)
Woodstock	United States	Record daily precipitation	41.7 mm (1.6 in)	56 of 100 (Notable)
Santiago	Mexico	Record daily precipitation	35.3 mm (1.4 in)	50 of 100 (Notable)
New Castle 1 N	United States	Record daily precipitation	40.6 mm (1.6 in)	50 of 100 (Notable)
Marlinton	United States	Record daily precipitation	34.8 mm (1.4 in)	50 of 100 (Notable)
Caopas	Mexico	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Jamestown 2 NW	United States	Record daily precipitation	46.5 mm (1.8 in)	49 of 100 (Notable)
Farmland 5 NNW	United States	Record daily precipitation	34.3 mm (1.4 in)	48 of 100 (Notable)
Lakeview	United States	Record daily precipitation	41.4 mm (1.6 in)	48 of 100 (Notable)
Pineville	United States	Record daily precipitation	48.3 mm (1.9 in)	48 of 100 (Notable)
Upper Sandusky	United States	Record daily precipitation	31.0 mm (1.2 in)	47 of 100 (Notable)
Ciudad Victoria	Mexico	Record daily precipitation	127.0 mm (5.0 in)	46 of 100 (Notable)
Wauseon Wtp	United States	Record daily precipitation	53.3 mm (2.1 in)	46 of 100 (Notable)
Millport 4 NE	United States	Record daily precipitation	46.5 mm (1.8 in)	45 of 100 (Notable)
Mercer	United States	Record daily precipitation	42.2 mm (1.7 in)	45 of 100 (Notable)
Iguala (Dge)	Mexico	Record daily precipitation	46.7 mm (1.8 in)	43 of 100 (Notable)
Hillsboro	United States	Record high maximum temperature	31.7 C (89.1 F)	43 of 100 (Notable)
Versailles	United States	Record daily precipitation	36.8 mm (1.4 in)	43 of 100 (Notable)
Knightstown 2 ENE	United States	Record daily precipitation	45.2 mm (1.8 in)	42 of 100 (Notable)
Sherman	United States	Record daily precipitation	78.7 mm (3.1 in)	42 of 100 (Notable)
New Castle 3 SW	United States	Record daily precipitation	50.3 mm (2.0 in)	41 of 100 (Notable)
Columbus	United States	Record daily precipitation	32.8 mm (1.3 in)	40 of 100 (Notable)
Beverly Stp	United States	Record daily precipitation	31.8 mm (1.3 in)	40 of 100 (Notable)
Summersville Lake	United States	Record daily precipitation	50.5 mm (2.0 in)	40 of 100 (Notable)
Williamston 3NE	United States	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Mc Connellsville Lk 7	United States	Record daily precipitation	26.9 mm (1.1 in)	39 of 100 (Notable)
Beckley Va Hospital	United States	Record daily precipitation	38.9 mm (1.5 in)	39 of 100 (Notable)
La Golondrina	Mexico	Record daily precipitation	43.9 mm (1.7 in)	38 of 100 (Notable)
Haverhill	United States	Record daily precipitation	38.6 mm (1.5 in)	38 of 100 (Notable)
Ogdensburg 4 NE	United States	Record daily precipitation	37.3 mm (1.5 in)	38 of 100 (Notable)
Tribes Hill	United States	Record daily precipitation	26.2 mm (1.0 in)	38 of 100 (Notable)
Cadiz	United States	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Iguala (Smn)	Mexico	Record daily precipitation	46.7 mm (1.8 in)	37 of 100 (Notable)
Palma de Mallorca Cmt	Spain	Record daily precipitation	42.3 mm (1.7 in)	37 of 100 (Notable)
Albion	United States	Record daily precipitation	41.7 mm (1.6 in)	36 of 100 (Notable)
Wanakena Rngr School	United States	Record daily precipitation	34.3 mm (1.4 in)	36 of 100 (Notable)
Dayton Mcd	United States	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Cushman Powerhouse #2	United States	Record daily precipitation	83.8 mm (3.3 in)	36 of 100 (Notable)
Mt Washington	United States	Record daily precipitation	81.5 mm (3.2 in)	36 of 100 (Notable)
Massena Intl AP	United States	Record daily precipitation	45.7 mm (1.8 in)	36 of 100 (Notable)
Ameca	Mexico	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Bacadehuachi	Mexico	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Krasnyj Chikoj	Russia	Record high minimum temperature	1.5 C (34.7 F)	35 of 100 (Notable)
Hua Hin	Thailand	Record daily precipitation	73.2 mm (2.9 in)	35 of 100 (Notable)
Brookville	United States	Record daily precipitation	38.9 mm (1.5 in)	35 of 100 (Notable)
Mosquito Creek Lake	United States	Record daily precipitation	32.0 mm (1.3 in)	35 of 100 (Notable)
Pleasant Hill	United States	Record daily precipitation	31.5 mm (1.2 in)	35 of 100 (Notable)
Alderson	United States	Record daily precipitation	25.7 mm (1.0 in)	35 of 100 (Notable)
Coahuayutla	Mexico	Record low minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)
Presa Malpais	Mexico	Record daily precipitation	25.9 mm (1.0 in)	34 of 100 (Routine)
Koror	Palau	Record daily precipitation	124.7 mm (4.9 in)	34 of 100 (Routine)
Aurora Water	United States	Record daily precipitation	27.2 mm (1.1 in)	34 of 100 (Routine)
Lawrenceville 3 SW	United States	Record daily precipitation	41.7 mm (1.6 in)	34 of 100 (Routine)
Marysville	United States	Record daily precipitation	25.1 mm (1.0 in)	34 of 100 (Routine)
Montpelier	United States	Record daily precipitation	37.1 mm (1.5 in)	34 of 100 (Routine)
Donora 1 SW	United States	Record daily precipitation	31.2 mm (1.2 in)	34 of 100 (Routine)
Prilep	Macedonia	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Three Rivers	United States	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)

Counts by Type and Timescale

737 records

Records set or tied on 15 October 2003 by type: Highest daily maximum 85, Lowest daily maximum 52, Highest daily minimum 191, Lowest daily minimum 94, Heaviest daily rainfall 313, Heaviest daily snowfall 2.

Records on 15 October 2003 by type
Record type	Records
Highest daily maximum	85
Lowest daily maximum	52
Highest daily minimum	191
Lowest daily minimum	94
Heaviest daily rainfall	313
Heaviest daily snowfall	2
Deepest snow cover	0

Records on 15 October 2003 by timescale: all-time 0, monthly 9, daily 728.

How Much Records Were Beaten By

578 broken records

Margins by which the 578 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 75.7. Ties are not counted.

Top 20 by Significance

15 October 2003

Top 20 records on 15 October 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 October 2003	Clearwater, US	daily rain	108.0 mm (4.3 in)	75.7 mm (3.0 in)	96 years	79 of 100 (Major)
15 October 2003	Linesville 1 S, US	daily rain	61.0 mm (2.4 in)	38.4 mm (1.5 in)	48 years	62 of 100 (Major)
15 October 2003	Elkhorn, US	daily rain	50.8 mm (2.0 in)	24.9 mm (1.0 in)	88 years	62 of 100 (Major)
15 October 2003	Woodstock, US	daily rain	41.7 mm (1.6 in)	19.6 mm (0.8 in)	109 years	56 of 100 (Notable)
15 October 2003	Santiago, MX	daily rain	35.3 mm (1.4 in)	24.4 mm (1.0 in)	36 years	50 of 100 (Notable)
15 October 2003	New Castle 1 N, US	daily rain	40.6 mm (1.6 in)	23.8 mm (0.9 in)	48 years	50 of 100 (Notable)
15 October 2003	Marlinton, US	daily rain	34.8 mm (1.4 in)	16.8 mm (0.7 in)	92 years	50 of 100 (Notable)
15 October 2003	Caopas, MX	daily rain	42.2 mm (1.7 in)	34.3 mm (1.4 in)	32 years	49 of 100 (Notable)
15 October 2003	Jamestown 2 NW, US	daily rain	46.5 mm (1.8 in)	24.7 mm (1.0 in)	48 years	49 of 100 (Notable)
15 October 2003	Farmland 5 NNW, US	daily rain	34.3 mm (1.4 in)	11.4 mm (0.4 in)	92 years	48 of 100 (Notable)
15 October 2003	Lakeview, US	daily rain	41.4 mm (1.6 in)	24.1 mm (0.9 in)	48 years	48 of 100 (Notable)
15 October 2003	Pineville, US	daily rain	48.3 mm (1.9 in)	37.6 mm (1.5 in)	8 years	48 of 100 (Notable)
15 October 2003	Upper Sandusky, US	daily rain	31.0 mm (1.2 in)	10.7 mm (0.4 in)	88 years	47 of 100 (Notable)
15 October 2003	Ciudad Victoria, MX	daily rain	127.0 mm (5.0 in)	75.0 mm (3.0 in)	17 years	46 of 100 (Notable)
15 October 2003	Wauseon Wtp, US	daily rain	53.3 mm (2.1 in)	17.2 mm (0.7 in)	62 years	46 of 100 (Notable)
15 October 2003	Millport 4 NE, US	daily rain	46.5 mm (1.8 in)	24.1 mm (0.9 in)	28 years	45 of 100 (Notable)
15 October 2003	Mercer, US	daily rain	42.2 mm (1.7 in)	22.9 mm (0.9 in)	48 years	45 of 100 (Notable)
15 October 2003	Iguala (Dge), MX	daily rain	46.7 mm (1.8 in)	31.7 mm (1.2 in)	44 years	43 of 100 (Notable)
15 October 2003	Hillsboro, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	93 years	43 of 100 (Notable)
15 October 2003	Versailles, US	daily rain	36.8 mm (1.4 in)	15.5 mm (0.6 in)	62 years	43 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

1794 to 2003

Records set or tied on this calendar date in each year from 1794 to 2003. 2003 had 737 records.

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

Records on 10-15 in each year
Year	Records
1794	1
1795	1
1796	1
1807	1
1808	2
1836	1
1838	1
1839	1
1849	1
1859	2
1862	1
1870	2
1871	4
1873	1
1875	1
1876	3
1877	1
1878	3
1879	3
1881	3
1882	4
1885	2
1886	1
1887	8
1889	2
1891	4
1892	1
1893	5
1894	9
1895	3
1896	8
1897	2
1898	3
1899	4
1900	3
1901	4
1902	7
1903	13
1904	10
1905	13
1906	7
1907	11
1908	13
1909	17
1910	14
1911	18
1912	17
1913	70
1914	28
1915	48
1916	21
1917	29
1918	21
1919	65
1920	38
1921	160
1922	43
1923	66
1924	118
1925	221
1926	125
1927	94
1928	385
1929	200
1930	282
1931	461
1932	213
1933	255
1934	434
1935	303
1936	126
1937	1,444
1938	598
1939	461
1940	458
1941	330
1942	494
1943	704
1944	246
1945	487
1946	354
1947	963
1948	224
1949	546
1950	321
1951	341
1952	662
1953	374
1954	945
1955	444
1956	555
1957	461
1958	606
1959	411
1960	600
1961	834
1962	1,009
1963	522
1964	488
1965	299
1966	1,265
1967	464
1968	1,111
1969	1,074
1970	642
1971	744
1972	584
1973	525
1974	768
1975	808
1976	791
1977	543
1978	886
1979	720
1980	1,006
1981	965
1982	297
1983	653
1984	1,236
1985	1,068
1986	768
1987	900
1988	896
1989	560
1990	1,134
1991	1,139
1992	1,530
1993	1,066
1994	1,103
1995	1,008
1996	458
1997	964
1998	806
1999	766
2000	625
2001	705
2002	965
2003	737
2004	716
2005	610
2006	1,305
2007	702
2008	959
2009	2,365
2010	1,095
2011	906
2012	909
2013	632
2014	901
2015	1,139
2016	674
2017	1,091
2018	2,682
2019	479
2020	499
2021	983
2022	633
2023	319
2024	748
2025	697

Download the Data

Data for records on 2003-10-15: 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	457
10 to 20	77
20 to 30	30
30 to 40	7
40 to 50	4
50 to 60	1
60 to 70	0
70 to 80	2