Weather Records on 17 April 2018

1,585 weather records were set or tied worldwide on 17 April 2018. Highest significance: Milford 4 NW, US.

Key Facts for 17 April 2018

On 17 April 2018, 1,585 weather records were set or tied at long-record stations worldwide.
263 were record highs and 913 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 1,563 daily.
Milford 4 NW set a daily record snow depth of 30.5 cm (12.0 in) on 17 April 2018.
Across 166 earlier years (1799 to 2026) the same calendar date averaged 446 records.

Record Map

1,585 stations

1,585 station records on 17 April 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 April 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milford 4 NW	United States	Record snow depth	30.5 cm (12.0 in)	79 of 100 (Major)
Newport	United States	Record snow depth	25.4 cm (10.0 in)	78 of 100 (Major)
Chester	United States	Record snow depth	15.2 cm (6.0 in)	76 of 100 (Major)
Appleton	United States	Record snow depth	48.3 cm (19.0 in)	76 of 100 (Major)
Stevens Pt	United States	Record snow depth	40.6 cm (16.0 in)	76 of 100 (Major)
New London	United States	Record snow depth	48.3 cm (19.0 in)	73 of 100 (Major)
Oconto 4 W	United States	Record snow depth	68.6 cm (27.0 in)	73 of 100 (Major)
Shawano 2SSW	United States	Record snow depth	71.1 cm (28.0 in)	73 of 100 (Major)
Winner	United States	Record snow depth	45.7 cm (18.0 in)	70 of 100 (Major)
Oshkosh	United States	Record snow depth	27.9 cm (11.0 in)	70 of 100 (Major)
Charlevoix	United States	Record snow depth	50.8 cm (20.0 in)	69 of 100 (Major)
E Jordan	United States	Record snow depth	38.1 cm (15.0 in)	69 of 100 (Major)
Sioux Rapids	United States	Record snow depth	15.2 cm (6.0 in)	67 of 100 (Major)
Cheboygan	United States	Record daily snowfall	20.3 cm (8.0 in)	67 of 100 (Major)
Dawson	United States	Record snow depth	38.1 cm (15.0 in)	67 of 100 (Major)
Fond du Lac Wwtp	United States	Record snow depth	17.8 cm (7.0 in)	67 of 100 (Major)
Wis Rapids Grand Av B	United States	Record snow depth	38.1 cm (15.0 in)	67 of 100 (Major)
Sibley	United States	Record snow depth	17.8 cm (7.0 in)	66 of 100 (Major)
Lake City	United States	Record snow depth	27.9 cm (11.0 in)	65 of 100 (Major)
Hancock Exp Farm	United States	Record snow depth	30.5 cm (12.0 in)	65 of 100 (Major)
Mather 3 NW	United States	Record snow depth	35.6 cm (14.0 in)	65 of 100 (Major)
Green Bay	United States	Record snow depth	38.0 cm (15.0 in)	65 of 100 (Major)
Minneota	United States	Record snow depth	40.6 cm (16.0 in)	64 of 100 (Major)
Howard	United States	Record snow depth	20.3 cm (8.0 in)	64 of 100 (Major)
Garissa	Kenya	Record daily precipitation	125.0 mm (4.9 in)	61 of 100 (Major)
Alpena Wwtp	United States	Record snow depth	33.0 cm (13.0 in)	60 of 100 (Major)
St Peter	United States	Record snow depth	17.8 cm (7.0 in)	59 of 100 (Notable)
Academy 2NE	United States	Record snow depth	20.3 cm (8.0 in)	58 of 100 (Notable)
Eau Pleine Rsvr	United States	Record snow depth	35.6 cm (14.0 in)	58 of 100 (Notable)
Gaylord	United States	Record snow depth	58.4 cm (23.0 in)	57 of 100 (Notable)
Atkinson 3SW	United States	Record snow depth	12.7 cm (5.0 in)	57 of 100 (Notable)
Chilton	United States	Record snow depth	20.3 cm (8.0 in)	57 of 100 (Notable)
Marinette	United States	Record snow depth	38.1 cm (15.0 in)	57 of 100 (Notable)
Neillsville 3ESE	United States	Record snow depth	30.5 cm (12.0 in)	57 of 100 (Notable)
Waupaca	United States	Record snow depth	66.0 cm (26.0 in)	57 of 100 (Notable)
Lake Park 3SSE	United States	Record snow depth	20.3 cm (8.0 in)	56 of 100 (Notable)
Forestburg 4 NNE	United States	Record snow depth	25.4 cm (10.0 in)	56 of 100 (Notable)
Windom	United States	Record snow depth	20.3 cm (8.0 in)	55 of 100 (Notable)
Two Rivers	United States	Record snow depth	17.8 cm (7.0 in)	55 of 100 (Notable)
Mullen 3S	United States	Record snow depth	20.3 cm (8.0 in)	54 of 100 (Notable)
Black Rock	United States	Record daily snowfall	7.6 cm (3.0 in)	54 of 100 (Notable)
Clintonville	United States	Record snow depth	53.3 cm (21.0 in)	54 of 100 (Notable)
Rosholt	United States	Record snow depth	45.7 cm (18.0 in)	54 of 100 (Notable)
Robinson	United States	Record low maximum temperature	1.7 C (35.1 F)	53 of 100 (Notable)
Petoskey	United States	Record daily snowfall	16.5 cm (6.5 in)	53 of 100 (Notable)
Erie Intl AP	United States	Record daily snowfall	11.7 cm (4.6 in)	53 of 100 (Notable)
Huron Rgnl AP	United States	Record snow depth	18.0 cm (7.1 in)	53 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record daily snowfall	17.8 cm (7.0 in)	52 of 100 (Notable)
Winnebago	United States	Record snow depth	22.9 cm (9.0 in)	52 of 100 (Notable)
Marshfield Exp Farm	United States	Record snow depth	35.6 cm (14.0 in)	52 of 100 (Notable)
Chippewa Valley Rgnl AP	United States	Record snow depth	20.0 cm (7.9 in)	52 of 100 (Notable)
Tracy	United States	Record snow depth	58.4 cm (23.0 in)	51 of 100 (Notable)
Mancos 1SW	United States	Record high minimum temperature	7.2 C (45.0 F)	50 of 100 (Notable)
Horicon Wwtp	United States	Record snow depth	12.7 cm (5.0 in)	50 of 100 (Notable)
Northwood	United States	Record snow depth	15.2 cm (6.0 in)	49 of 100 (Notable)
Beaver Is	United States	Record snow depth	22.9 cm (9.0 in)	49 of 100 (Notable)
Wabasha	United States	Record snow depth	12.7 cm (5.0 in)	49 of 100 (Notable)
Gregory	United States	Record low minimum temperature	-14.4 C (6.1 F)	49 of 100 (Notable)
Gregory	United States	Record snow depth	17.8 cm (7.0 in)	49 of 100 (Notable)
Cookeville	United States	Record low maximum temperature	3.3 C (37.9 F)	49 of 100 (Notable)

Counts by Type and Timescale

1,585 records

Records set or tied on 17 April 2018 by type: Highest daily maximum 144, Lowest daily maximum 594, Highest daily minimum 119, Lowest daily minimum 319, Heaviest daily rainfall 76, Heaviest daily snowfall 75, Deepest snow cover 258.

Records on 17 April 2018 by type
Record type	Records
Highest daily maximum	144
Lowest daily maximum	594
Highest daily minimum	119
Lowest daily minimum	319
Heaviest daily rainfall	76
Heaviest daily snowfall	75
Deepest snow cover	258

Records on 17 April 2018 by timescale: all-time 0, monthly 22, daily 1,563.

How Much Records Were Beaten By

1,319 broken records

Margins by which the 1,319 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 584.0. Ties are not counted.

Top 20 by Significance

17 April 2018

Top 20 records on 17 April 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 April 2018	Milford 4 NW, US	daily snow depth	30.5 cm (12.0 in)	30.5 cm (12.0 in)	96 years	79 of 100 (Major)
17 April 2018	Newport, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	118 years	78 of 100 (Major)
17 April 2018	Chester, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	107 years	76 of 100 (Major)
17 April 2018	Appleton, US	daily snow depth	48.3 cm (19.0 in)	40.7 cm (16.0 in)	89 years	76 of 100 (Major)
17 April 2018	Stevens Pt, US	daily snow depth	40.6 cm (16.0 in)	30.4 cm (12.0 in)	89 years	76 of 100 (Major)
17 April 2018	New London, US	daily snow depth	48.3 cm (19.0 in)	45.8 cm (18.0 in)	77 years	73 of 100 (Major)
17 April 2018	Oconto 4 W, US	daily snow depth	68.6 cm (27.0 in)	53.4 cm (21.0 in)	77 years	73 of 100 (Major)
17 April 2018	Shawano 2SSW, US	daily snow depth	71.1 cm (28.0 in)	58.4 cm (23.0 in)	77 years	73 of 100 (Major)
17 April 2018	Winner, US	daily snow depth	45.7 cm (18.0 in)	45.7 cm (18.0 in)	69 years	70 of 100 (Major)
17 April 2018	Oshkosh, US	daily snow depth	27.9 cm (11.0 in)	27.9 cm (11.0 in)	68 years	70 of 100 (Major)
17 April 2018	Charlevoix, US	daily snow depth	50.8 cm (20.0 in)	38.1 cm (15.0 in)	92 years	69 of 100 (Major)
17 April 2018	E Jordan, US	daily snow depth	38.1 cm (15.0 in)	33.0 cm (13.0 in)	67 years	69 of 100 (Major)
17 April 2018	Sioux Rapids, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	69 years	67 of 100 (Major)
17 April 2018	Cheboygan, US	daily snowfall	20.3 cm (8.0 in)	16.5 cm (6.5 in)	64 years	67 of 100 (Major)
17 April 2018	Dawson, US	daily snow depth	38.1 cm (15.0 in)	38.1 cm (15.0 in)	68 years	67 of 100 (Major)
17 April 2018	Fond du Lac Wwtp, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	68 years	67 of 100 (Major)
17 April 2018	Wis Rapids Grand Av B, US	daily snow depth	38.1 cm (15.0 in)	27.9 cm (11.0 in)	68 years	67 of 100 (Major)
17 April 2018	Sibley, US	daily snow depth	17.8 cm (7.0 in)	12.7 cm (5.0 in)	108 years	66 of 100 (Major)
17 April 2018	Lake City, US	daily snow depth	27.9 cm (11.0 in)	22.8 cm (9.0 in)	52 years	65 of 100 (Major)
17 April 2018	Hancock Exp Farm, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	57 years	65 of 100 (Major)

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 2018

Records set or tied on this calendar date in each year from 1799 to 2018. 2018 had 1,585 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 2018-04-17: 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	1,190
100 to 200	84
200 to 300	22
300 to 400	13
400 to 500	6
500 to 600	4