Weather Records on 15 April 2018

1,913 weather records were set or tied worldwide on 15 April 2018. Highest significance: Coshocton Wpc Plt, US.

Key Facts for 15 April 2018

On 15 April 2018, 1,913 weather records were set or tied at long-record stations worldwide.
286 were record highs and 719 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 70 monthly and 1,840 daily.
Coshocton Wpc Plt set a daily record precipitation of 61.5 mm (2.4 in) on 15 April 2018.
Across 159 earlier years (1801 to 2026) the same calendar date averaged 484 records.

Record Map

1,913 stations

1,913 station records on 15 April 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 April 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Coshocton Wpc Plt	United States	Record daily precipitation	61.5 mm (2.4 in)	80 of 100 (Exceptional)
Montevideo 1SW	United States	Record daily snowfall	35.6 cm (14.0 in)	72 of 100 (Major)
Butte	United States	Record snow depth	33.0 cm (13.0 in)	70 of 100 (Major)
Gregory	United States	Record snow depth	30.5 cm (12.0 in)	70 of 100 (Major)
Sturgeon Bay Exp Farm	United States	Record daily snowfall	30.5 cm (12.0 in)	70 of 100 (Major)
Estherville 4E	United States	Record daily snowfall	35.6 cm (14.0 in)	67 of 100 (Major)
Milford 4 NW	United States	Record daily snowfall	22.9 cm (9.0 in)	67 of 100 (Major)
Milford 4 NW	United States	Record snow depth	35.6 cm (14.0 in)	67 of 100 (Major)
Lake City	United States	Record snow depth	17.8 cm (7.0 in)	67 of 100 (Major)
Atkinson 3SW	United States	Record snow depth	20.3 cm (8.0 in)	67 of 100 (Major)
Waupaca	United States	Record snow depth	43.2 cm (17.0 in)	67 of 100 (Major)
Lake Wilson	United States	Record snow depth	38.1 cm (15.0 in)	64 of 100 (Major)
Sturgeon Bay Exp Farm	United States	Record snow depth	73.7 cm (29.0 in)	63 of 100 (Major)
Kilauea 1134	United States	Record daily precipitation	150.9 mm (5.9 in)	63 of 100 (Major)
Kewaunee	United States	Record snow depth	27.9 cm (11.0 in)	62 of 100 (Major)
St James Wwtp	United States	Record snow depth	38.1 cm (15.0 in)	60 of 100 (Major)
Lac Vieux Desert	United States	Record daily snowfall	35.6 cm (14.0 in)	60 of 100 (Major)
Shawano 2SSW	United States	Record snow depth	66.0 cm (26.0 in)	60 of 100 (Major)
Uniontown	United States	Record daily precipitation	85.1 mm (3.4 in)	59 of 100 (Notable)
Marion Junction 2 NE	United States	Record daily precipitation	141.5 mm (5.6 in)	58 of 100 (Notable)
Sibley	United States	Record daily snowfall	19.1 cm (7.5 in)	58 of 100 (Notable)
Madison Wwtp	United States	Record daily snowfall	33.5 cm (13.2 in)	58 of 100 (Notable)
Windom	United States	Record snow depth	25.4 cm (10.0 in)	58 of 100 (Notable)
Ericson 8 WNW	United States	Record snow depth	12.7 cm (5.0 in)	58 of 100 (Notable)
Koloko Rsvr 1137	United States	Record daily precipitation	181.6 mm (7.1 in)	58 of 100 (Notable)
Washta	United States	Record daily snowfall	19.1 cm (7.5 in)	57 of 100 (Notable)
New London	United States	Record snow depth	35.6 cm (14.0 in)	57 of 100 (Notable)
Montevideo 1SW	United States	Record snow depth	35.6 cm (14.0 in)	56 of 100 (Notable)
Stevens Pt	United States	Record snow depth	35.6 cm (14.0 in)	56 of 100 (Notable)
O'Neill	United States	Record daily snowfall	20.3 cm (8.0 in)	55 of 100 (Notable)
John Glenn Intl AP	United States	Record daily precipitation	52.3 mm (2.1 in)	55 of 100 (Notable)
Beloit	United States	Record low maximum temperature	-0.6 C (30.9 F)	54 of 100 (Notable)
St James Wwtp	United States	Record daily snowfall	38.1 cm (15.0 in)	54 of 100 (Notable)
Vesta	United States	Record daily snowfall	43.2 cm (17.0 in)	54 of 100 (Notable)
Willow Rsvr	United States	Record daily snowfall	22.9 cm (9.0 in)	54 of 100 (Notable)
Tarwin Lower (Riverside)	Australia	Record daily precipitation	42.0 mm (1.7 in)	53 of 100 (Notable)
Calera	United States	Record daily precipitation	120.9 mm (4.8 in)	53 of 100 (Notable)
Lake Mills	United States	Record daily snowfall	22.9 cm (9.0 in)	53 of 100 (Notable)
Painesville 4 NW	United States	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Marion	United States	Record daily snowfall	24.4 cm (9.6 in)	53 of 100 (Notable)
Oconto 4 W	United States	Record daily snowfall	21.6 cm (8.5 in)	53 of 100 (Notable)
Cleveland	United States	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
Fish Creek	Australia	Record daily precipitation	53.2 mm (2.1 in)	52 of 100 (Notable)
Butte	United States	Record daily snowfall	7.9 cm (3.1 in)	52 of 100 (Notable)
Hartington	United States	Record snow depth	20.3 cm (8.0 in)	52 of 100 (Notable)
Flandreau	United States	Record daily snowfall	17.3 cm (6.8 in)	52 of 100 (Notable)
Kapoho Beach 93.11	United States	Record daily precipitation	125.0 mm (4.9 in)	52 of 100 (Notable)
Jagdalpur	India	Record daily precipitation	33.0 mm (1.3 in)	51 of 100 (Notable)
Sibley	United States	Record snow depth	20.3 cm (8.0 in)	51 of 100 (Notable)
Spencer 1 N	United States	Record snow depth	25.4 cm (10.0 in)	51 of 100 (Notable)
Faribault	United States	Record daily precipitation	49.0 mm (1.9 in)	51 of 100 (Notable)
Elgin	United States	Record snow depth	15.2 cm (6.0 in)	51 of 100 (Notable)
O'Neill	United States	Record snow depth	20.3 cm (8.0 in)	51 of 100 (Notable)
Mondovi	United States	Record snow depth	20.3 cm (8.0 in)	51 of 100 (Notable)
Uraidla	Australia	Record daily precipitation	35.0 mm (1.4 in)	50 of 100 (Notable)
Lancefield	Australia	Record daily precipitation	40.0 mm (1.6 in)	50 of 100 (Notable)
Bricelyn	United States	Record snow depth	12.7 cm (5.0 in)	50 of 100 (Notable)
St Peter	United States	Record snow depth	25.4 cm (10.0 in)	50 of 100 (Notable)
Waseca S Rsch & Outreach Ctr	United States	Record daily precipitation	34.3 mm (1.4 in)	50 of 100 (Notable)
Monticello	United States	Record daily precipitation	99.1 mm (3.9 in)	50 of 100 (Notable)

Counts by Type and Timescale

1,913 records

Records set or tied on 15 April 2018 by type: Highest daily maximum 154, Lowest daily maximum 529, Highest daily minimum 132, Lowest daily minimum 190, Heaviest daily rainfall 396, Heaviest daily snowfall 223, Deepest snow cover 289.

Records on 15 April 2018 by type
Record type	Records
Highest daily maximum	154
Lowest daily maximum	529
Highest daily minimum	132
Lowest daily minimum	190
Heaviest daily rainfall	396
Heaviest daily snowfall	223
Deepest snow cover	289

Records on 15 April 2018 by timescale: all-time 3, monthly 70, daily 1,840.

How Much Records Were Beaten By

1,635 broken records

Margins by which the 1,635 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

15 April 2018

Top 20 records on 15 April 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 April 2018	Coshocton Wpc Plt, US	daily rain	61.5 mm (2.4 in)	43.2 mm (1.7 in)	105 years	80 of 100 (Exceptional)
15 April 2018	Montevideo 1SW, US	monthly snowfall	35.6 cm (14.0 in)	15.3 cm (6.0 in)	81 years	72 of 100 (Major)
15 April 2018	Butte, US	daily snow depth	33.0 cm (13.0 in)	33.0 cm (13.0 in)	68 years	70 of 100 (Major)
15 April 2018	Gregory, US	daily snow depth	30.5 cm (12.0 in)	28.0 cm (11.0 in)	68 years	70 of 100 (Major)
15 April 2018	Sturgeon Bay Exp Farm, US	daily snowfall	30.5 cm (12.0 in)	17.8 cm (7.0 in)	68 years	70 of 100 (Major)
15 April 2018	Estherville 4E, US	monthly snowfall	35.6 cm (14.0 in)	10.2 cm (4.0 in)	89 years	67 of 100 (Major)
15 April 2018	Milford 4 NW, US	daily snowfall	22.9 cm (9.0 in)	17.8 cm (7.0 in)	71 years	67 of 100 (Major)
15 April 2018	Milford 4 NW, US	monthly snow depth	35.6 cm (14.0 in)	12.7 cm (5.0 in)	67 years	67 of 100 (Major)
15 April 2018	Lake City, US	daily snow depth	17.8 cm (7.0 in)	15.3 cm (6.0 in)	71 years	67 of 100 (Major)
15 April 2018	Atkinson 3SW, US	daily snow depth	20.3 cm (8.0 in)	20.3 cm (8.0 in)	111 years	67 of 100 (Major)
15 April 2018	Waupaca, US	monthly snow depth	43.2 cm (17.0 in)	12.7 cm (5.0 in)	89 years	67 of 100 (Major)
15 April 2018	Lake Wilson, US	monthly snow depth	38.1 cm (15.0 in)	17.8 cm (7.0 in)	36 years	64 of 100 (Major)
15 April 2018	Sturgeon Bay Exp Farm, US	monthly snow depth	73.7 cm (29.0 in)	10.2 cm (4.0 in)	95 years	63 of 100 (Major)
15 April 2018	Kilauea 1134, US	daily rain	150.9 mm (5.9 in)	104.4 mm (4.1 in)	44 years	63 of 100 (Major)
15 April 2018	Kewaunee, US	monthly snow depth	27.9 cm (11.0 in)	7.6 cm (3.0 in)	89 years	62 of 100 (Major)
15 April 2018	St James Wwtp, US	daily snow depth	38.1 cm (15.0 in)	27.9 cm (11.0 in)	64 years	60 of 100 (Major)
15 April 2018	Lac Vieux Desert, US	daily snowfall	35.6 cm (14.0 in)	28.0 cm (11.0 in)	35 years	60 of 100 (Major)
15 April 2018	Shawano 2SSW, US	monthly snow depth	66.0 cm (26.0 in)	25.4 cm (10.0 in)	0 years	60 of 100 (Major)
15 April 2018	Uniontown, US	daily rain	85.1 mm (3.4 in)	40.9 mm (1.6 in)	109 years	59 of 100 (Notable)
15 April 2018	Marion Junction 2 NE, US	daily rain	141.5 mm (5.6 in)	101.1 mm (4.0 in)	43 years	58 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

1801 to 2018

Records set or tied on this calendar date in each year from 1801 to 2018. 2018 had 1,913 records.

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

Records on 04-15 in each year
Year	Records
1801	1
1817	1
1820	1
1844	1
1845	1
1847	1
1849	1
1853	2
1855	2
1858	1
1862	3
1865	3
1866	1
1868	1
1869	2
1873	1
1874	1
1876	1
1880	1
1882	1
1885	3
1886	1
1887	3
1889	2
1890	3
1891	2
1892	8
1893	2
1894	1
1896	2
1897	1
1898	2
1899	4
1900	9
1901	2
1902	4
1903	8
1904	39
1905	11
1906	20
1907	18
1908	15
1909	18
1910	16
1911	20
1912	24
1913	39
1914	17
1915	13
1916	15
1917	35
1918	40
1919	22
1920	50
1921	59
1922	94
1923	178
1924	172
1925	168
1926	453
1927	321
1928	631
1929	91
1930	289
1931	388
1932	150
1933	300
1934	339
1935	515
1936	439
1937	277
1938	596
1939	789
1940	581
1941	628
1942	525
1943	1,037
1944	313
1945	783
1946	245
1947	532
1948	306
1949	419
1950	568
1951	504
1952	357
1953	475
1954	896
1955	484
1956	750
1957	378
1958	458
1959	314
1960	319
1961	877
1962	733
1963	714
1964	382
1965	504
1966	464
1967	599
1968	476
1969	555
1970	841
1971	640
1972	896
1973	667
1974	385
1975	780
1976	1,566
1977	649
1978	426
1979	370
1980	1,066
1981	724
1982	955
1983	1,343
1984	612
1985	788
1986	1,140
1987	579
1988	839
1989	836
1990	837
1991	769
1992	783
1993	1,156
1994	835
1995	805
1996	1,173
1997	1,031
1998	1,752
1999	1,249
2000	1,163
2001	1,043
2002	1,866
2003	1,760
2004	761
2005	583
2006	1,637
2007	1,776
2008	1,157
2009	853
2010	804
2011	1,162
2012	1,007
2013	1,146
2014	1,721
2015	739
2016	602
2017	474
2018	1,913
2019	610
2020	1,068
2021	494
2022	1,145
2023	912
2024	1,096
2025	860
2026	1,118

Download the Data

Data for records on 2018-04-15: 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 50	1,364
50 to 100	150
100 to 150	66
150 to 200	29
200 to 250	17
250 to 300	8
300 to 350	1