Weather Records on 17 April 2003

1,037 weather records were set or tied worldwide on 17 April 2003. Highest significance: Aleksandrovsk-Sahalinskij, RU.

Key Facts for 17 April 2003

On 17 April 2003, 1,037 weather records were set or tied at long-record stations worldwide.
491 were record highs and 304 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 25 monthly and 1,011 daily.
Aleksandrovsk-Sahalinskij set a daily record precipitation of 30.3 mm (1.2 in) on 17 April 2003.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 449 records.

Record Map

1,037 stations

1,037 station records on 17 April 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	30.3 mm (1.2 in)	80 of 100 (Exceptional)
Red Lake Indian Agcy	United States	Record daily precipitation	76.2 mm (3.0 in)	73 of 100 (Major)
Adams 7 SSW	United States	Record daily precipitation	101.1 mm (4.0 in)	69 of 100 (Major)
Ada	United States	Record daily snowfall	12.7 cm (5.0 in)	65 of 100 (Major)
Juana Diaz Camp	Puerto Rico [United States]	Record daily precipitation	69.9 mm (2.8 in)	63 of 100 (Major)
Dzaore	Russia	Record daily precipitation	28.6 mm (1.1 in)	58 of 100 (Notable)
Ensenada 1 W	Puerto Rico [United States]	Record daily precipitation	103.4 mm (4.1 in)	54 of 100 (Notable)
Santo Domingo	Mexico	Record low minimum temperature	8.9 C (48.0 F)	51 of 100 (Notable)
Turtle Lake	United States	Record daily snowfall	7.6 cm (3.0 in)	50 of 100 (Notable)
Forest Lake 5NE	United States	Record daily precipitation	41.7 mm (1.6 in)	49 of 100 (Notable)
Edmore 4NW	United States	Record daily snowfall	17.8 cm (7.0 in)	49 of 100 (Notable)
Nizhne-Tambovskoe	Russia	Record daily precipitation	28.5 mm (1.1 in)	48 of 100 (Notable)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	53.3 mm (2.1 in)	47 of 100 (Notable)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	29.2 mm (1.1 in)	46 of 100 (Notable)
Ellendale	United States	Record daily precipitation	41.9 mm (1.6 in)	46 of 100 (Notable)
Argyle	United States	Record daily snowfall	5.3 cm (2.1 in)	45 of 100 (Notable)
Zmeinogorsk	Russia	Record low minimum temperature	-13.1 C (8.4 F)	43 of 100 (Notable)
Inverness 3 SE	United States	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Hayward Rs	United States	Record daily precipitation	37.8 mm (1.5 in)	43 of 100 (Notable)
Karlshamn	Sweden	Record high maximum temperature	18.0 C (64.4 F)	42 of 100 (Notable)
Dannemora	United States	Record low minimum temperature	-10.6 C (12.9 F)	42 of 100 (Notable)
San Jose de Raices	Mexico	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Newton Rigg	United Kingdom	Record high maximum temperature	19.6 C (67.3 F)	41 of 100 (Notable)
Almaty	Kazakhstan	Record low minimum temperature	-9.0 C (15.8 F)	40 of 100 (Notable)
Tiree	United Kingdom	Record high maximum temperature	19.4 C (66.9 F)	40 of 100 (Notable)
Pelican Rapids	United States	Record snow depth	10.2 cm (4.0 in)	40 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record low maximum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Im. Poliny Osipenko	Russia	Record daily precipitation	30.4 mm (1.2 in)	39 of 100 (Notable)
Timiryazevskij	Russia	Record high maximum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Charlevoix	United States	Record low maximum temperature	0.0 C (32.0 F)	39 of 100 (Notable)
Wheaton	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Medina	United States	Record snow depth	10.2 cm (4.0 in)	39 of 100 (Notable)
Wildrose 3NW	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Ashland Exp Farm	United States	Record low maximum temperature	0.0 C (32.0 F)	39 of 100 (Notable)
Paisley	United Kingdom	Record high maximum temperature	20.4 C (68.7 F)	38 of 100 (Notable)
Eastport	United States	Record low minimum temperature	-9.4 C (15.1 F)	38 of 100 (Notable)
Burwell 2WSW	United States	Record daily precipitation	32.8 mm (1.3 in)	38 of 100 (Notable)
Amery	United States	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Gatton Vale	Australia	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
Coahuayutla	Mexico	Record low minimum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Aguirre	Puerto Rico [United States]	Record daily precipitation	63.0 mm (2.5 in)	37 of 100 (Notable)
Ust-Koksa	Russia	Record low minimum temperature	-16.3 C (2.7 F)	37 of 100 (Notable)
Madison Sewage Plt	United States	Record daily precipitation	38.1 mm (1.5 in)	37 of 100 (Notable)
E Tawas	United States	Record low maximum temperature	1.7 C (35.1 F)	37 of 100 (Notable)
Iturbide	Mexico	Record low maximum temperature	26.7 C (80.1 F)	36 of 100 (Notable)
Preobrazhenie	Russia	Record high maximum temperature	23.6 C (74.5 F)	36 of 100 (Notable)
Presque Isle	United States	Record low minimum temperature	-14.4 C (6.1 F)	36 of 100 (Notable)
Belcourt Keya Radio	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Cavalier 7NW	United States	Record daily snowfall	20.3 cm (8.0 in)	36 of 100 (Notable)
Utsira Fyr	Norway	Record high maximum temperature	15.2 C (59.4 F)	35 of 100 (Notable)
Mio Hydro Plt	United States	Record low maximum temperature	0.0 C (32.0 F)	35 of 100 (Notable)
Oak Ridge Atdd	United States	Record daily precipitation	55.1 mm (2.2 in)	35 of 100 (Notable)
Torshavn	Denmark	Record high maximum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Kazalinsk	Kazakhstan	Record low minimum temperature	-3.5 C (25.7 F)	34 of 100 (Routine)
Paraiso	Puerto Rico [United States]	Record daily precipitation	86.4 mm (3.4 in)	34 of 100 (Routine)
Shelbina	United States	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
N Wilkesboro	United States	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Shelby 2 NW	United States	Record daily precipitation	57.7 mm (2.3 in)	34 of 100 (Routine)
Pickstown	United States	Record daily precipitation	35.8 mm (1.4 in)	34 of 100 (Routine)
St Croix Falls	United States	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)

Counts by Type and Timescale

1,037 records

Records set or tied on 17 April 2003 by type: Highest daily maximum 320, Lowest daily maximum 174, Highest daily minimum 171, Lowest daily minimum 130, Heaviest daily rainfall 179, Heaviest daily snowfall 46, Deepest snow cover 17.

Records on 17 April 2003 by type
Record type	Records
Highest daily maximum	320
Lowest daily maximum	174
Highest daily minimum	171
Lowest daily minimum	130
Heaviest daily rainfall	179
Heaviest daily snowfall	46
Deepest snow cover	17

Records on 17 April 2003 by timescale: all-time 1, monthly 25, daily 1,011.

How Much Records Were Beaten By

848 broken records

Margins by which the 848 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

17 April 2003

Top 20 records on 17 April 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 2003	Aleksandrovsk-Sahalinskij, RU	daily rain	30.3 mm (1.2 in)	21.5 mm (0.8 in)	112 years	80 of 100 (Exceptional)
17 April 2003	Red Lake Indian Agcy, US	monthly rain	76.2 mm (3.0 in)	32.8 mm (1.3 in)	45 years	73 of 100 (Major)
17 April 2003	Adams 7 SSW, US	monthly rain	101.1 mm (4.0 in)	52.3 mm (2.1 in)	49 years	69 of 100 (Major)
17 April 2003	Ada, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	109 years	65 of 100 (Major)
17 April 2003	Juana Diaz Camp, PR	daily rain	69.9 mm (2.8 in)	52.1 mm (2.1 in)	56 years	63 of 100 (Major)
17 April 2003	Dzaore, RU	daily rain	28.6 mm (1.1 in)	21.4 mm (0.8 in)	40 years	58 of 100 (Notable)
17 April 2003	Ensenada 1 W, PR	daily rain	103.4 mm (4.1 in)	78.0 mm (3.1 in)	34 years	54 of 100 (Notable)
17 April 2003	Santo Domingo, MX	daily low min	8.9 C (48.0 F)	5.0 C (9.0 F)	49 years	51 of 100 (Notable)
17 April 2003	Turtle Lake, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	89 years	50 of 100 (Notable)
17 April 2003	Forest Lake 5NE, US	daily rain	41.7 mm (1.6 in)	29.0 mm (1.1 in)	41 years	49 of 100 (Notable)
17 April 2003	Edmore 4NW, US	daily snowfall	17.8 cm (7.0 in)	12.7 cm (5.0 in)	36 years	49 of 100 (Notable)
17 April 2003	Nizhne-Tambovskoe, RU	monthly rain	28.5 mm (1.1 in)	4.8 mm (0.19 in)	60 years	48 of 100 (Notable)
17 April 2003	Aibonito 1 S, PR	daily rain	53.3 mm (2.1 in)	28.7 mm (1.1 in)	57 years	47 of 100 (Notable)
17 April 2003	Morris W Cntrl Rsch & Outreach, US	daily rain	29.2 mm (1.1 in)	6.3 mm (0.25 in)	106 years	46 of 100 (Notable)
17 April 2003	Ellendale, US	daily rain	41.9 mm (1.6 in)	20.8 mm (0.8 in)	44 years	46 of 100 (Notable)
17 April 2003	Argyle, US	daily snowfall	5.3 cm (2.1 in)	5.3 cm (2.1 in)	53 years	45 of 100 (Notable)
17 April 2003	Zmeinogorsk, RU	daily low min	-13.1 C (8.4 F)	2.6 C (4.7 F)	97 years	43 of 100 (Notable)
17 April 2003	Inverness 3 SE, US	daily rain	38.1 mm (1.5 in)	26.7 mm (1.1 in)	48 years	43 of 100 (Notable)
17 April 2003	Hayward Rs, US	daily rain	37.8 mm (1.5 in)	11.9 mm (0.5 in)	64 years	43 of 100 (Notable)
17 April 2003	Karlshamn, SE	daily high max	18.0 C (64.4 F)	1.0 C (1.8 F)	116 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

1799 to 2003

Records set or tied on this calendar date in each year from 1799 to 2003. 2003 had 1,037 records.

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

Records on 04-17 in each year
Year	Records
1799	1
1807	1
1808	1
1815	1
1817	1
1818	1
1819	1
1823	1
1825	1
1830	1
1835	3
1837	1
1845	1
1847	2
1851	1
1852	3
1853	1
1854	1
1855	1
1857	1
1858	1
1862	1
1865	2
1868	1
1873	4
1874	1
1875	3
1877	4
1878	2
1880	2
1889	1
1890	2
1891	2
1892	4
1894	5
1895	1
1896	5
1897	6
1898	3
1899	1
1900	2
1901	4
1902	4
1903	5
1904	19
1905	11
1906	14
1907	16
1908	38
1909	7
1910	29
1911	33
1912	27
1913	20
1914	83
1915	30
1916	30
1917	32
1918	35
1919	39
1920	87
1921	148
1922	96
1923	71
1924	74
1925	103
1926	140
1927	256
1928	308
1929	145
1930	238
1931	216
1932	615
1933	261
1934	234
1935	374
1936	308
1937	439
1938	564
1939	618
1940	337
1941	460
1942	415
1943	285
1944	334
1945	475
1946	492
1947	461
1948	622
1949	439
1950	293
1951	441
1952	529
1953	818
1954	650
1955	394
1956	486
1957	277
1958	702
1959	434
1960	553
1961	667
1962	597
1963	702
1964	766
1965	411
1966	409
1967	935
1968	745
1969	728
1970	547
1971	924
1972	546
1973	589
1974	244
1975	666
1976	1,630
1977	906
1978	620
1979	810
1980	675
1981	621
1982	965
1983	1,365
1984	720
1985	917
1986	997
1987	960
1988	1,082
1989	638
1990	1,065
1991	614
1992	1,105
1993	847
1994	1,047
1995	1,211
1996	1,044
1997	889
1998	1,795
1999	1,730
2000	1,082
2001	1,013
2002	2,284
2003	1,037
2004	761
2005	572
2006	1,430
2007	863
2008	842
2009	779
2010	606
2011	982
2012	920
2013	1,796
2014	913
2015	813
2016	977
2017	469
2018	1,585
2019	458
2020	1,165
2021	701
2022	831
2023	628
2024	690
2025	1,058
2026	838

Download the Data

Data for records on 2003-04-17: 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	784
20 to 40	34
40 to 60	13
60 to 80	8
80 to 100	0
100 to 120	6
120 to 140	3