Arundel Threshold Days by Year

4 fixed thresholds counted per year at Arundel (ASN00009501): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arundel Thresholds

Arundel: days with 10 mm (0.39 in) or more of precipitation in 96 years, most in 1933 with 29.
Arundel: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1950 with 6.
Arundel: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1919 with 2.
Arundel: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1982 with 1.
4 fixed thresholds have at least one qualifying day at Arundel.

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

96 years with a qualifying day

Days per year at Arundel with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1933.

Days with 10 mm (0.39 in) or more of precipitation per year at Arundel
Year	Days	Decade average
1913	16	16.9
1914	11	16.9
1915	16	16.9
1916	20	16.9
1917	26	16.9
1918	20	16.9
1919	9	16.9
1920	17	16.8
1921	16	16.8
1922	16	16.8
1923	26	16.8
1924	15	16.8
1925	11	16.8
1926	18	16.8
1927	17	16.8
1928	15	16.8
1929	17	16.8
1930	11	17.1
1931	16	17.1
1932	14	17.1
1933	29	17.1
1934	21	17.1
1935	13	17.1
1936	12	17.1
1937	18	17.1
1938	13	17.1
1939	24	17.1
1940	4	16.8
1941	19	16.8
1942	19	16.8
1943	17	16.8
1944	14	16.8
1945	25	16.8
1946	14	16.8
1947	19	16.8
1948	16	16.8
1949	21	16.8
1950	16	17.2
1951	27	17.2
1952	13	17.2
1953	15	17.2
1954	10	17.2
1955	23	17.2
1956	15	17.2
1957	20	17.2
1958	14	17.2
1959	19	17.2
1960	18	16.1
1961	19	16.1
1962	17	16.1
1963	17	16.1
1964	18	16.1
1965	22	16.1
1966	10	16.1
1967	14	16.1
1968	15	16.1
1969	11	16.1
1970	11	13.4
1971	10	13.4
1972	7	13.4
1973	16	13.4
1974	14	13.4
1975	15	13.4
1976	18	13.4
1977	15	13.4
1978	18	13.4
1979	10	13.4
1980	14	14.5
1981	13	14.5
1982	13	14.5
1983	14	14.5
1984	17	14.5
1985	12	14.5
1986	12	14.5
1987	11	14.5
1988	22	14.5
1989	17	14.5
1990	16	15.6
1991	14	15.6
1992	17	15.6
1993	14	15.6
1994	15	15.6
1995	12	15.6
1996	22	15.6
1997	12	15.6
1998	16	15.6
1999	18	15.6
2000	12	13.1
2001	14	13.1
2002	8	13.1
2003	13	13.1
2005	17	13.1
2006	9	13.1
2007	15	13.1
2008	16	13.1
2009	14	13.1

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

First to last qualifying date each year at Arundel
Year	First date	Last date
1913	1913-03-02	1913-12-20
1914	1914-02-18	1914-12-23
1915	1915-01-16	1915-09-17
1916	1916-02-14	1916-11-23
1917	1917-02-10	1917-10-22
1918	1918-01-20	1918-11-29
1919	1919-04-16	1919-10-04
1920	1920-02-21	1920-09-07
1921	1921-02-19	1921-12-10
1922	1922-02-23	1922-12-06
1923	1923-01-20	1923-10-03
1924	1924-05-25	1924-11-10
1925	1925-02-23	1925-12-31
1926	1926-02-05	1926-12-15
1927	1927-01-10	1927-10-07
1928	1928-01-09	1928-09-28
1929	1929-02-16	1929-12-25
1930	1930-05-27	1930-10-11
1931	1931-03-06	1931-11-12
1932	1932-04-08	1932-10-29
1933	1933-01-16	1933-12-03
1934	1934-01-03	1934-11-06
1935	1935-04-02	1935-12-01
1936	1936-04-15	1936-10-03
1937	1937-03-03	1937-10-08
1938	1938-03-15	1938-10-08
1939	1939-01-19	1939-11-02
1940	1940-07-15	1940-12-18
1941	1941-03-15	1941-12-13
1942	1942-03-14	1942-12-02
1943	1943-01-31	1943-09-19
1944	1944-04-30	1944-12-08
1945	1945-03-26	1945-09-28
1946	1946-04-19	1946-12-11
1947	1947-04-07	1947-10-18
1948	1948-04-16	1948-11-15
1949	1949-03-12	1949-11-19
1950	1950-05-09	1950-10-04
1951	1951-01-17	1951-12-05
1952	1952-01-23	1952-10-25
1953	1953-02-02	1953-11-04
1954	1954-04-23	1954-11-11
1955	1955-02-06	1955-12-10
1956	1956-03-05	1956-12-05
1957	1957-03-05	1957-10-31
1958	1958-05-21	1958-12-22
1959	1959-02-09	1959-12-31
1960	1960-01-08	1960-09-23
1961	1961-01-26	1961-12-16
1962	1962-02-17	1962-12-27
1963	1963-03-16	1963-10-31
1964	1964-01-30	1964-11-29
1965	1965-02-11	1965-12-27
1966	1966-04-20	1966-10-23
1967	1967-02-03	1967-08-21
1968	1968-01-27	1968-09-23
1969	1969-02-03	1969-11-04
1970	1970-02-05	1970-12-03
1971	1971-03-28	1971-11-23
1972	1972-04-20	1972-10-02
1973	1973-04-10	1973-11-14
1974	1974-04-14	1974-11-18
1975	1975-03-01	1975-11-17
1976	1976-01-07	1976-11-28
1977	1977-04-27	1977-12-23
1978	1978-01-02	1978-11-25
1979	1979-05-21	1979-11-10
1980	1980-02-11	1980-10-26
1981	1981-04-04	1981-09-08
1982	1982-01-21	1982-12-21
1983	1983-03-30	1983-12-31
1984	1984-04-30	1984-11-17
1985	1985-01-18	1985-11-03
1986	1986-02-22	1986-10-17
1987	1987-03-17	1987-11-02
1988	1988-01-13	1988-12-02
1989	1989-01-15	1989-11-12
1990	1990-01-29	1990-09-23
1991	1991-02-26	1991-12-25
1992	1992-02-07	1992-12-10
1993	1993-03-18	1993-11-16
1994	1994-05-12	1994-10-25
1995	1995-02-25	1995-12-22
1996	1996-05-31	1996-12-12
1997	1997-02-25	1997-09-13
1998	1998-03-10	1998-09-13
1999	1999-05-06	1999-12-14
2000	2000-01-15	2000-09-06
2001	2001-03-08	2001-12-05
2002	2002-04-17	2002-11-01
2003	2003-02-10	2003-10-27
2005	2005-03-31	2005-11-28
2006	2006-01-08	2006-11-17
2007	2007-03-19	2007-12-17
2008	2008-04-01	2008-12-10
2009	2009-02-26	2009-09-11

Every Fixed Threshold

Fixed thresholds at Arundel
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	96	29	1933	14
25 mm (0.98 in): Days with 25 mm or more rain	76	6	1950	1
50 mm (1.97 in): Days with 50 mm or more rain	17	2	1919	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

Data for Arundel 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Arundel Threshold Days by Year

Key Facts for Arundel Thresholds

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

Every Fixed Threshold

Download the Data

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