Weather Records on 17 September 2003

586 weather records were set or tied worldwide on 17 September 2003. Highest significance: Hillsboro 3 N, US.

Key Facts for 17 September 2003

On 17 September 2003, 586 weather records were set or tied at long-record stations worldwide.
327 were record highs and 127 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 15 monthly and 569 daily.
Hillsboro 3 N set a daily record precipitation of 59.7 mm (2.4 in) on 17 September 2003.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 422 records.

Record Map

586 stations

586 station records on 17 September 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hillsboro 3 N	United States	Record daily precipitation	59.7 mm (2.4 in)	67 of 100 (Major)
Maravatio	Mexico	Record daily precipitation	61.2 mm (2.4 in)	66 of 100 (Major)
Abu Hamed	Sudan	Record daily precipitation	59.9 mm (2.4 in)	57 of 100 (Notable)
Port Sudan	Sudan	Record daily precipitation	61.0 mm (2.4 in)	57 of 100 (Notable)
Rochford 2 WNW	United States	Record daily snowfall	8.9 cm (3.5 in)	57 of 100 (Notable)
Giles Meteorological Office	Australia	Record daily precipitation	58.8 mm (2.3 in)	56 of 100 (Notable)
Leting	China	Record daily precipitation	104.4 mm (4.1 in)	56 of 100 (Notable)
Charlottesville Albemarle AP	United States	Record daily precipitation	112.5 mm (4.4 in)	56 of 100 (Notable)
Mascota (Smn)	Mexico	Record daily precipitation	67.6 mm (2.7 in)	53 of 100 (Notable)
Ai-Petri	Ukraine	Record daily precipitation	40.6 mm (1.6 in)	52 of 100 (Notable)
Roseau	United States	Record daily precipitation	41.1 mm (1.6 in)	49 of 100 (Notable)
Chuuk WSO AP	Federated States of Micronesia	Record daily precipitation	146.3 mm (5.8 in)	48 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record high maximum temperature	25.6 C (78.1 F)	47 of 100 (Notable)
Lead	United States	Record daily snowfall	14.5 cm (5.7 in)	47 of 100 (Notable)
Douglas 1 SE	United States	Record daily snowfall	5.1 cm (2.0 in)	45 of 100 (Notable)
Powder River #2	United States	Record daily snowfall	15.2 cm (6.0 in)	45 of 100 (Notable)
Grand Forks UNIV (NWS)	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Huejuquilla El Alto (Dge)	Mexico	Record low minimum temperature	2.8 C (37.0 F)	43 of 100 (Notable)
Tomatlan	Mexico	Record daily precipitation	125.0 mm (4.9 in)	43 of 100 (Notable)
Rangely 1E	United States	Record high minimum temperature	14.4 C (57.9 F)	43 of 100 (Notable)
Hayward Rs	United States	Record high minimum temperature	16.7 C (62.1 F)	43 of 100 (Notable)
Powder River #2	United States	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Acambaro	Mexico	Record daily precipitation	56.1 mm (2.2 in)	40 of 100 (Notable)
Juan Aldama	Mexico	Record daily precipitation	71.4 mm (2.8 in)	40 of 100 (Notable)
Dixie	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Atotonilco El Alto	Mexico	Record daily precipitation	66.8 mm (2.6 in)	39 of 100 (Notable)
Fosston 1 E	United States	Record daily precipitation	40.1 mm (1.6 in)	39 of 100 (Notable)
Villa Purificacion (Dge)	Mexico	Record low minimum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Presa El Niagara	Mexico	Record daily precipitation	47.5 mm (1.9 in)	37 of 100 (Notable)
Chanchichimila	Mexico	Record low minimum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Siwa	Egypt	Record high maximum temperature	43.3 C (109.9 F)	35 of 100 (Notable)
Moab	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Cradle Valley (Waldheim)	Australia	Record daily precipitation	62.4 mm (2.5 in)	34 of 100 (Routine)
X-Pichil	Mexico	Record low minimum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Yreka	United States	Record low minimum temperature	-1.1 C (30.0 F)	34 of 100 (Routine)
Lindbergh Lake	United States	Record daily snowfall	8.9 cm (3.5 in)	34 of 100 (Routine)
Shonkin 7 S	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Presa Santa Elena	Mexico	Record daily precipitation	39.9 mm (1.6 in)	33 of 100 (Routine)
Corozal Substn	Puerto Rico [United States]	Record high minimum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Warren	United States	Record snow depth	10.2 cm (4.0 in)	33 of 100 (Routine)
Pte de la Hague	France	Record high maximum temperature	26.5 C (79.7 F)	32 of 100 (Routine)
Ploumanac'h	France	Record high maximum temperature	30.3 C (86.5 F)	32 of 100 (Routine)
San Juan Tepeuxila	Mexico	Record low maximum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Guilin	China	Record daily precipitation	70.8 mm (2.8 in)	31 of 100 (Routine)
Etla	Mexico	Record high maximum temperature	35.0 C (95.0 F)	31 of 100 (Routine)
La Florida	Mexico	Record daily precipitation	35.1 mm (1.4 in)	31 of 100 (Routine)
Huntington Lake	United States	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Winifred	United States	Record low maximum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Malin Head	Ireland	Record high minimum temperature	15.8 C (60.4 F)	30 of 100 (Routine)
Santa Rosalia (Dge)	Mexico	Record high minimum temperature	29.4 C (84.9 F)	30 of 100 (Routine)
Santa Fe	Mexico	Record high maximum temperature	36.7 C (98.1 F)	30 of 100 (Routine)
Tlaltenango Sanchez Roman	Mexico	Record daily precipitation	47.2 mm (1.9 in)	30 of 100 (Routine)
St. Brandon (St. Ra	Mauritius	Record high maximum temperature	28.1 C (82.6 F)	29 of 100 (Routine)
San Juan del Rio	Mexico	Record high minimum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Sombrerete (Dge)	Mexico	Record daily precipitation	26.7 mm (1.1 in)	29 of 100 (Routine)
Klamath	United States	Record low minimum temperature	-1.7 C (28.9 F)	29 of 100 (Routine)
Animas 3ESE	United States	Record high minimum temperature	18.3 C (64.9 F)	29 of 100 (Routine)
Gulkana AP	United States	Record low minimum temperature	-11.7 C (10.9 F)	29 of 100 (Routine)
Xinyang	China	Record high minimum temperature	24.2 C (75.6 F)	28 of 100 (Routine)
Atotonilco El Alto	Mexico	Record high minimum temperature	23.3 C (73.9 F)	28 of 100 (Routine)

Counts by Type and Timescale

586 records

Records set or tied on 17 September 2003 by type: Highest daily maximum 128, Lowest daily maximum 59, Highest daily minimum 199, Lowest daily minimum 68, Heaviest daily rainfall 108, Heaviest daily snowfall 18, Deepest snow cover 6.

Records on 17 September 2003 by type
Record type	Records
Highest daily maximum	128
Lowest daily maximum	59
Highest daily minimum	199
Lowest daily minimum	68
Heaviest daily rainfall	108
Heaviest daily snowfall	18
Deepest snow cover	6

Records on 17 September 2003 by timescale: all-time 2, monthly 15, daily 569.

How Much Records Were Beaten By

427 broken records

Margins by which the 427 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

17 September 2003

Top 20 records on 17 September 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 2003	Hillsboro 3 N, US	daily rain	59.7 mm (2.4 in)	38.9 mm (1.5 in)	80 years	67 of 100 (Major)
17 September 2003	Maravatio, MX	daily rain	61.2 mm (2.4 in)	38.8 mm (1.5 in)	76 years	66 of 100 (Major)
17 September 2003	Abu Hamed, SD	daily rain	59.9 mm (2.4 in)	59.9 mm (2.4 in)	45 years	57 of 100 (Notable)
17 September 2003	Port Sudan, SD	daily rain	61.0 mm (2.4 in)	61.0 mm (2.4 in)	45 years	57 of 100 (Notable)
17 September 2003	Rochford 2 WNW, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	104 years	57 of 100 (Notable)
17 September 2003	Giles Meteorological Office, AU	monthly rain	58.8 mm (2.3 in)	21.4 mm (0.8 in)	26 years	56 of 100 (Notable)
17 September 2003	Leting, CN	monthly rain	104.4 mm (4.1 in)	43.2 mm (1.7 in)	9 years	56 of 100 (Notable)
17 September 2003	Charlottesville Albemarle AP, US	daily rain	112.5 mm (4.4 in)	84.8 mm (3.3 in)	40 years	56 of 100 (Notable)
17 September 2003	Mascota (Smn), MX	daily rain	67.6 mm (2.7 in)	32.5 mm (1.3 in)	53 years	53 of 100 (Notable)
17 September 2003	Ai-Petri, UA	daily rain	40.6 mm (1.6 in)	26.7 mm (1.1 in)	69 years	52 of 100 (Notable)
17 September 2003	Roseau, US	daily rain	41.1 mm (1.6 in)	16.0 mm (0.6 in)	80 years	49 of 100 (Notable)
17 September 2003	Chuuk WSO AP, FM	daily rain	146.3 mm (5.8 in)	95.2 mm (3.7 in)	10 years	48 of 100 (Notable)
17 September 2003	Dublin Phoenix Park, IE	daily high max	25.6 C (78.1 F)	2.0 C (3.6 F)	127 years	47 of 100 (Notable)
17 September 2003	Lead, US	daily snowfall	14.5 cm (5.7 in)	12.5 cm (4.9 in)	32 years	47 of 100 (Notable)
17 September 2003	Douglas 1 SE, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	89 years	45 of 100 (Notable)
17 September 2003	Powder River #2, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	38 years	45 of 100 (Notable)
17 September 2003	Grand Forks UNIV (NWS), US	daily rain	30.5 mm (1.2 in)	11.2 mm (0.4 in)	80 years	44 of 100 (Notable)
17 September 2003	Huejuquilla El Alto (Dge), MX	daily low min	2.8 C (37.0 F)	6.1 C (11.0 F)	42 years	43 of 100 (Notable)
17 September 2003	Tomatlan, MX	daily rain	125.0 mm (4.9 in)	63.0 mm (2.5 in)	29 years	43 of 100 (Notable)
17 September 2003	Rangely 1E, US	daily high min	14.4 C (57.9 F)	1.6 C (2.9 F)	106 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

1796 to 2003

Records set or tied on this calendar date in each year from 1796 to 2003. 2003 had 586 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 2003-09-17: 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	388
20 to 40	22
40 to 60	6
60 to 80	4
80 to 100	4
100 to 120	1
120 to 140	1
140 to 160	1