Wilmington Threshold Days by Year

4 fixed thresholds counted per year at Wilmington (ASN00019048): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wilmington Thresholds

Wilmington: days with 10 mm (0.39 in) or more of precipitation in 130 years, most in 1992 with 26.
Wilmington: days with 25 mm (0.98 in) or more of precipitation in 101 years, most in 1997 with 9.
Wilmington: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1946 with 3.
Wilmington: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1884 with 1.
4 fixed thresholds have at least one qualifying day at Wilmington.

Days with 10 mm (0.39 in) or more of precipitation

130 years with a qualifying day

Days per year at Wilmington with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1992.

Days with 10 mm (0.39 in) or more of precipitation per year at Wilmington
Year	Days	Decade average
1884	15	9.3
1885	7	9.3
1886	12	9.3
1887	5	9.3
1888	4	9.3
1889	13	9.3
1890	20	9.1
1891	6	9.1
1892	10	9.1
1893	10	9.1
1894	8	9.1
1895	10	9.1
1896	3	9.1
1897	8	9.1
1898	8	9.1
1899	8	9.1
1900	7	11.6
1901	9	11.6
1902	10	11.6
1903	12	11.6
1904	8	11.6
1905	11	11.6
1906	14	11.6
1907	14	11.6
1908	20	11.6
1909	11	11.6
1910	18	12.3
1911	12	12.3
1912	13	12.3
1913	7	12.3
1914	7	12.3
1915	12	12.3
1916	16	12.3
1917	16	12.3
1918	11	12.3
1919	11	12.3
1920	17	10.1
1921	8	10.1
1922	11	10.1
1923	13	10.1
1924	12	10.1
1925	8	10.1
1926	12	10.1
1927	6	10.1
1928	7	10.1
1929	7	10.1
1930	6	9.3
1931	7	9.3
1932	9	9.3
1933	7	9.3
1934	11	9.3
1935	7	9.3
1936	14	9.3
1937	16	9.3
1938	6	9.3
1939	10	9.3
1940	4	10.2
1941	14	10.2
1942	13	10.2
1943	6	10.2
1944	8	10.2
1945	10	10.2
1946	12	10.2
1947	13	10.2
1948	10	10.2
1949	12	10.2
1950	12	12.2
1951	17	12.2
1952	16	12.2
1953	16	12.2
1954	8	12.2
1955	12	12.2
1956	14	12.2
1957	9	12.2
1958	11	12.2
1959	7	12.2
1960	17	11.3
1961	11	11.3
1962	7	11.3
1963	12	11.3
1964	8	11.3
1965	6	11.3
1966	11	11.3
1967	9	11.3
1968	18	11.3
1969	14	11.3
1970	7	10.9
1971	11	10.9
1972	8	10.9
1973	21	10.9
1974	16	10.9
1976	6	10.9
1977	7	10.9
1982	6	6
1990	12	13.6
1991	15	13.6
1992	26	13.6
1993	13	13.6
1994	6	13.6
1995	18	13.6
1996	13	13.6
1997	15	13.6
1998	9	13.6
1999	9	13.6
2000	18	12.3
2001	17	12.3
2002	9	12.3
2003	12	12.3
2004	10	12.3
2005	15	12.3
2006	10	12.3
2007	13	12.3
2008	8	12.3
2009	11	12.3
2010	14	12.2
2011	14	12.2
2012	8	12.2
2013	13	12.2
2014	11	12.2
2015	16	12.2
2016	22	12.2
2017	12	12.2
2018	8	12.2
2019	4	12.2
2021	10	8.8
2022	15	8.8
2023	6	8.8
2024	5	8.8
2025	9	8.8
2026	8	8.8

For each year, a bar from the first to the last day at Wilmington meeting 10 mm (0.39 in).

First to last qualifying date each year at Wilmington
Year	First date	Last date
1884	1884-01-26	1884-12-08
1885	1885-01-06	1885-12-19
1886	1886-07-06	1886-12-04
1887	1887-06-22	1887-12-15
1888	1888-05-03	1888-08-31
1889	1889-01-02	1889-11-15
1890	1890-01-22	1890-11-23
1891	1891-04-04	1891-10-31
1892	1892-01-23	1892-11-19
1893	1893-04-08	1893-11-08
1894	1894-04-19	1894-12-26
1895	1895-01-04	1895-12-07
1896	1896-01-24	1896-07-11
1897	1897-01-09	1897-08-28
1898	1898-02-10	1898-10-07
1899	1899-05-04	1899-11-17
1900	1900-03-29	1900-09-13
1901	1901-04-03	1901-10-12
1902	1902-02-01	1902-12-19
1903	1903-01-21	1903-12-26
1904	1904-02-19	1904-11-02
1905	1905-04-11	1905-10-28
1906	1906-03-25	1906-12-12
1907	1907-04-06	1907-12-27
1908	1908-01-31	1908-11-21
1909	1909-05-06	1909-11-13
1910	1910-03-05	1910-12-16
1911	1911-01-28	1911-12-05
1912	1912-02-23	1912-12-06
1913	1913-03-25	1913-12-23
1914	1914-04-02	1914-12-23
1915	1915-01-20	1915-10-23
1916	1916-05-14	1916-12-13
1917	1917-01-11	1917-10-20
1918	1918-01-08	1918-10-04
1919	1919-02-16	1919-12-27
1920	1920-03-07	1920-12-27
1921	1921-03-01	1921-12-03
1922	1922-01-05	1922-12-09
1923	1923-05-05	1923-12-18
1924	1924-01-03	1924-12-26
1925	1925-04-05	1925-11-19
1926	1926-05-02	1926-09-29
1927	1927-05-17	1927-07-31
1928	1928-03-20	1928-10-14
1929	1929-06-02	1929-12-28
1930	1930-07-02	1930-12-04
1931	1931-04-01	1931-08-05
1932	1932-02-05	1932-10-25
1933	1933-07-29	1933-11-29
1934	1934-02-10	1934-12-09
1935	1935-01-05	1935-12-25
1936	1936-01-04	1936-12-04
1937	1937-01-09	1937-11-30
1938	1938-02-20	1938-11-29
1939	1939-02-17	1939-11-04
1940	1940-01-05	1940-07-10
1941	1941-01-03	1941-11-19
1942	1942-05-03	1942-12-25
1943	1943-02-17	1943-08-18
1944	1944-01-23	1944-12-21
1945	1945-05-07	1945-12-27
1946	1946-01-17	1946-12-25
1947	1947-02-09	1947-12-03
1948	1948-04-11	1948-12-25
1949	1949-02-27	1949-10-15
1950	1950-02-02	1950-12-20
1951	1951-04-06	1951-12-08
1952	1952-01-05	1952-11-27
1953	1953-05-19	1953-11-07
1954	1954-01-28	1954-12-12
1955	1955-02-12	1955-12-03
1956	1956-04-08	1956-10-18
1957	1957-06-19	1957-12-29
1958	1958-03-07	1958-10-04
1959	1959-01-24	1959-10-08
1960	1960-02-14	1960-11-12
1961	1961-04-23	1961-12-14
1962	1962-01-17	1962-10-19
1963	1963-04-27	1963-08-28
1964	1964-05-26	1964-12-25
1965	1965-06-22	1965-11-25
1966	1966-02-15	1966-12-02
1967	1967-01-25	1967-10-03
1968	1968-01-17	1968-11-07
1969	1969-01-14	1969-11-06
1970	1970-08-25	1970-12-05
1971	1971-03-15	1971-12-10
1972	1972-01-11	1972-12-26
1973	1973-01-27	1973-12-31
1974	1974-01-29	1974-10-24
1976	1976-03-01	1976-11-03
1977	1977-05-12	1977-11-29
1982	1982-02-16	1982-12-25
1990	1990-01-08	1990-12-10
1991	1991-01-23	1991-11-13
1992	1992-02-12	1992-12-25
1993	1993-01-24	1993-12-22
1994	1994-02-27	1994-11-02
1995	1995-01-14	1995-11-05
1996	1996-01-01	1996-09-30
1997	1997-01-15	1997-12-18
1998	1998-02-07	1998-11-11
1999	1999-03-21	1999-12-03
2000	2000-02-20	2000-12-22
2001	2001-05-18	2001-10-23
2002	2002-05-19	2002-12-31
2003	2003-02-19	2003-12-20
2004	2004-06-02	2004-12-08
2005	2005-02-02	2005-12-16
2006	2006-02-23	2006-12-22
2007	2007-01-19	2007-12-22
2008	2008-04-27	2008-12-14
2009	2009-04-24	2009-11-22
2010	2010-01-13	2010-12-08
2011	2011-02-05	2011-12-10
2012	2012-01-30	2012-12-02
2013	2013-02-28	2013-10-01
2014	2014-02-15	2014-12-03
2015	2015-01-10	2015-11-05
2016	2016-01-30	2016-12-29
2017	2017-01-14	2017-12-02
2018	2018-01-31	2018-12-14
2019	2019-05-10	2019-08-09
2021	2021-05-25	2021-11-24
2022	2022-04-26	2022-12-22
2023	2023-05-26	2023-10-04
2024	2024-01-08	2024-11-25
2025	2025-03-21	2025-10-22
2026	2026-02-23	2026-08-25

Every Fixed Threshold

Fixed thresholds at Wilmington
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	130	26	1992	8
25 mm (0.98 in): Days with 25 mm or more rain	101	9	1997	6
50 mm (1.97 in): Days with 50 mm or more rain	35	3	1946	3
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1884	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

Download the Data

Data for Wilmington threshold days by year: CSV or JSON. Field meanings are on the data page.

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)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Wilmington Threshold Days by Year

Key Facts for Wilmington Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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