Weather Records on 17 April 2007

863 weather records were set or tied worldwide on 17 April 2007. Highest significance: Ithaca Cornell UNIV, US.

Key Facts for 17 April 2007

On 17 April 2007, 863 weather records were set or tied at long-record stations worldwide.
423 were record highs and 245 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 17 monthly and 846 daily.
Ithaca Cornell UNIV set a daily record snowfall of 25.4 cm (10.0 in) on 17 April 2007.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 450 records.

Record Map

863 stations

863 station records on 17 April 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ithaca Cornell UNIV	United States	Record daily snowfall	25.4 cm (10.0 in)	71 of 100 (Major)
Lewiston	United States	Record daily precipitation	89.9 mm (3.5 in)	66 of 100 (Major)
Gustavus	United States	Record snow depth	48.3 cm (19.0 in)	65 of 100 (Major)
Susquehanna	United States	Record daily snowfall	25.4 cm (10.0 in)	64 of 100 (Major)
Auburn	United States	Record daily snowfall	22.1 cm (8.7 in)	61 of 100 (Major)
Morrisville 6 SW	United States	Record daily snowfall	14.0 cm (5.5 in)	55 of 100 (Notable)
Perryton	United States	Record daily snowfall	7.6 cm (3.0 in)	54 of 100 (Notable)
Corinna	United States	Record daily precipitation	71.1 mm (2.8 in)	53 of 100 (Notable)
Rogers Pass 9 NNE	United States	Record daily precipitation	38.1 mm (1.5 in)	52 of 100 (Notable)
Albany 3 SE	United States	Record low maximum temperature	11.7 C (53.1 F)	51 of 100 (Notable)
Morrisville 6 SW	United States	Record snow depth	35.6 cm (14.0 in)	48 of 100 (Notable)
Mangareva	French Polynesia	Record daily precipitation	128.0 mm (5.0 in)	46 of 100 (Notable)
De Funiak Springs 1 E	United States	Record low maximum temperature	16.1 C (61.0 F)	46 of 100 (Notable)
Shaoguan	China	Record daily precipitation	84.5 mm (3.3 in)	45 of 100 (Notable)
Milo	United States	Record daily precipitation	53.3 mm (2.1 in)	45 of 100 (Notable)
Auburn	United States	Record snow depth	33.0 cm (13.0 in)	45 of 100 (Notable)
Watertown	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Errol	United States	Record daily precipitation	38.4 mm (1.5 in)	44 of 100 (Notable)
Candor 2SE	United States	Record snow depth	15.2 cm (6.0 in)	44 of 100 (Notable)
Covington 2 WSW	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Elfin Cove	United States	Record snow depth	40.6 cm (16.0 in)	43 of 100 (Notable)
Highland Home	United States	Record low minimum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Pueblo Rsvr	United States	Record daily precipitation	36.1 mm (1.4 in)	42 of 100 (Notable)
Purcellville	United States	Record daily precipitation	45.5 mm (1.8 in)	42 of 100 (Notable)
Zmeinogorsk	Russia	Record high minimum temperature	13.5 C (56.3 F)	41 of 100 (Notable)
Uppsala_Aut	Sweden	Record high maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
Hernando	United States	Record low minimum temperature	1.1 C (34.0 F)	41 of 100 (Notable)
Francis E Walter Dam	United States	Record snow depth	33.0 cm (13.0 in)	41 of 100 (Notable)
Hallettsville 2 N	United States	Record low maximum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Saint Paul Is AP	United States	Record daily snowfall	8.1 cm (3.2 in)	41 of 100 (Notable)
Lady Elliot Island	Australia	Record low minimum temperature	15.9 C (60.6 F)	40 of 100 (Notable)
Santo Domingo	Dominican Republic	Record high minimum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Waynesboro 2 W	United States	Record low minimum temperature	0.6 C (33.1 F)	40 of 100 (Notable)
Brewerton Lock 23	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Ithaca Cornell UNIV	United States	Record snow depth	35.6 cm (14.0 in)	40 of 100 (Notable)
El Cajoncito	Mexico	Record low maximum temperature	15.6 C (60.1 F)	37 of 100 (Notable)
Machias	United States	Record daily precipitation	66.8 mm (2.6 in)	37 of 100 (Notable)
Rangeley	United States	Record daily precipitation	72.9 mm (2.9 in)	37 of 100 (Notable)
Geneva Rsch Farm	United States	Record daily snowfall	10.9 cm (4.3 in)	37 of 100 (Notable)
Boswell	United States	Record daily snowfall	10.2 cm (4.0 in)	37 of 100 (Notable)
Montrose	United States	Record daily snowfall	17.8 cm (7.0 in)	37 of 100 (Notable)
Torrance AP	United States	Record low minimum temperature	-1.1 C (30.0 F)	37 of 100 (Notable)
Koebenhavn: Landbohojskolen-1	Denmark	Record high minimum temperature	8.9 C (48.0 F)	36 of 100 (Notable)
Kem-Port	Russia	Record high minimum temperature	4.6 C (40.3 F)	36 of 100 (Notable)
Susquehanna	United States	Record snow depth	15.2 cm (6.0 in)	36 of 100 (Notable)
Cameron	United States	Record low maximum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
Port Isabel	United States	Record low minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Lugano	Switzerland	Record high minimum temperature	14.1 C (57.4 F)	34 of 100 (Routine)
Millinocket	United States	Record low maximum temperature	1.1 C (34.0 F)	34 of 100 (Routine)
Millinocket	United States	Record daily precipitation	53.6 mm (2.1 in)	34 of 100 (Routine)
Hightstown 2 W	United States	Record low maximum temperature	6.1 C (43.0 F)	34 of 100 (Routine)
Mahanoy City 2 N	United States	Record snow depth	17.8 cm (7.0 in)	34 of 100 (Routine)
Concrete Ppl Fish STN	United States	Record low maximum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Kailua 446	United States	Record low minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Kremsmuenster	Austria	Record high maximum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Belle Ile - le Talut	France	Record high maximum temperature	23.0 C (73.4 F)	33 of 100 (Routine)
Desviacion Alta Al Pedregal	Mexico	Record low maximum temperature	11.1 C (52.0 F)	33 of 100 (Routine)
Elliston	United States	Record daily snowfall	15.2 cm (6.0 in)	33 of 100 (Routine)
Little Valley	United States	Record snow depth	12.7 cm (5.0 in)	33 of 100 (Routine)
Windham 3 E	United States	Record daily precipitation	63.2 mm (2.5 in)	33 of 100 (Routine)

Counts by Type and Timescale

863 records

Records set or tied on 17 April 2007 by type: Highest daily maximum 247, Lowest daily maximum 122, Highest daily minimum 176, Lowest daily minimum 123, Heaviest daily rainfall 97, Heaviest daily snowfall 40, Deepest snow cover 58.

Records on 17 April 2007 by type
Record type	Records
Highest daily maximum	247
Lowest daily maximum	122
Highest daily minimum	176
Lowest daily minimum	123
Heaviest daily rainfall	97
Heaviest daily snowfall	40
Deepest snow cover	58

Records on 17 April 2007 by timescale: all-time 0, monthly 17, daily 846.

How Much Records Were Beaten By

683 broken records

Margins by which the 683 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 407.0. Ties are not counted.

Top 20 by Significance

17 April 2007

Top 20 records on 17 April 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 2007	Ithaca Cornell UNIV, US	daily snowfall	25.4 cm (10.0 in)	19.0 cm (7.5 in)	72 years	71 of 100 (Major)
17 April 2007	Lewiston, US	daily rain	89.9 mm (3.5 in)	52.8 mm (2.1 in)	53 years	66 of 100 (Major)
17 April 2007	Gustavus, US	daily snow depth	48.3 cm (19.0 in)	40.7 cm (16.0 in)	58 years	65 of 100 (Major)
17 April 2007	Susquehanna, US	daily snowfall	25.4 cm (10.0 in)	17.3 cm (6.8 in)	72 years	64 of 100 (Major)
17 April 2007	Auburn, US	daily snowfall	22.1 cm (8.7 in)	13.2 cm (5.2 in)	72 years	61 of 100 (Major)
17 April 2007	Morrisville 6 SW, US	daily snowfall	14.0 cm (5.5 in)	11.5 cm (4.5 in)	72 years	55 of 100 (Notable)
17 April 2007	Perryton, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	98 years	54 of 100 (Notable)
17 April 2007	Corinna, US	daily rain	71.1 mm (2.8 in)	38.1 mm (1.5 in)	24 years	53 of 100 (Notable)
17 April 2007	Rogers Pass 9 NNE, US	daily rain	38.1 mm (1.5 in)	27.4 mm (1.1 in)	28 years	52 of 100 (Notable)
17 April 2007	Albany 3 SE, US	daily low max	11.7 C (53.1 F)	5.0 C (9.0 F)	101 years	51 of 100 (Notable)
17 April 2007	Morrisville 6 SW, US	daily snow depth	35.6 cm (14.0 in)	28.0 cm (11.0 in)	72 years	48 of 100 (Notable)
17 April 2007	Mangareva, PF	daily rain	128.0 mm (5.0 in)	112.0 mm (4.4 in)	10 years	46 of 100 (Notable)
17 April 2007	De Funiak Springs 1 E, US	daily low max	16.1 C (61.0 F)	2.2 C (4.0 F)	101 years	46 of 100 (Notable)
17 April 2007	Shaoguan, CN	daily rain	84.5 mm (3.3 in)	49.2 mm (1.9 in)	33 years	45 of 100 (Notable)
17 April 2007	Milo, US	daily rain	53.3 mm (2.1 in)	16.5 mm (0.6 in)	77 years	45 of 100 (Notable)
17 April 2007	Auburn, US	daily snow depth	33.0 cm (13.0 in)	12.7 cm (5.0 in)	72 years	45 of 100 (Notable)
17 April 2007	Watertown, US	daily snowfall	7.6 cm (3.0 in)	2.5 cm (1.0 in)	100 years	45 of 100 (Notable)
17 April 2007	Errol, US	daily rain	38.4 mm (1.5 in)	14.5 mm (0.6 in)	52 years	44 of 100 (Notable)
17 April 2007	Candor 2SE, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	57 years	44 of 100 (Notable)
17 April 2007	Covington 2 WSW, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	49 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

1799 to 2007

Records set or tied on this calendar date in each year from 1799 to 2007. 2007 had 863 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 2007-04-17: 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 100	653
100 to 200	22
200 to 300	4
300 to 400	3
400 to 500	1