Deeside Threshold Days by Year

3 fixed thresholds counted per year at Deeside (ASN00009530): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deeside Thresholds

Deeside: days with 10 mm (0.39 in) or more of precipitation in 116 years, most in 1910 with 45.
Deeside: days with 25 mm (0.98 in) or more of precipitation in 109 years, most in 1917 with 10.
Deeside: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1988 with 2.
3 fixed thresholds have at least one qualifying day at Deeside.

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

116 years with a qualifying day

Days per year at Deeside with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1910.

Days with 10 mm (0.39 in) or more of precipitation per year at Deeside
Year	Days	Decade average
1907	39	34.7
1908	35	34.7
1909	30	34.7
1910	45	32
1911	18	32
1912	35	32
1913	38	32
1914	19	32
1915	36	32
1916	35	32
1917	41	32
1918	31	32
1919	22	32
1920	28	25.6
1921	22	25.6
1922	24	25.6
1924	26	25.6
1925	21	25.6
1926	33	25.6
1927	27	25.6
1928	28	25.6
1929	21	25.6
1930	24	26.2
1931	25	26.2
1933	32	26.2
1934	26	26.2
1935	25	26.2
1936	15	26.2
1937	31	26.2
1938	23	26.2
1939	35	26.2
1940	13	28.1
1941	28	28.1
1942	37	28.1
1943	32	28.1
1944	21	28.1
1945	39	28.1
1946	24	28.1
1947	34	28.1
1948	24	28.1
1949	29	28.1
1950	28	27.5
1951	24	27.5
1952	25	27.5
1953	30	27.5
1954	24	27.5
1955	42	27.5
1956	33	27.5
1957	25	27.5
1958	20	27.5
1959	24	27.5
1960	25	31.3
1961	38	31.3
1962	30	31.3
1963	38	31.3
1964	35	31.3
1965	37	31.3
1966	27	31.3
1967	33	31.3
1968	29	31.3
1969	21	31.3
1970	26	26.4
1971	26	26.4
1972	19	26.4
1973	35	26.4
1974	37	26.4
1975	26	26.4
1976	27	26.4
1977	25	26.4
1978	27	26.4
1979	16	26.4
1980	21	24.7
1981	38	24.7
1982	18	24.7
1983	26	24.7
1984	28	24.7
1985	24	24.7
1986	19	24.7
1987	17	24.7
1988	35	24.7
1989	21	24.7
1990	35	27.6
1991	26	27.6
1992	26	27.6
1993	24	27.6
1994	16	27.6
1995	25	27.6
1996	33	27.6
1997	28	27.6
1998	31	27.6
1999	32	27.6
2000	28	24.2
2001	18	24.2
2002	22	24.2
2003	32	24.2
2004	14	24.2
2005	35	24.2
2006	15	24.2
2007	25	24.2
2008	30	24.2
2009	23	24.2
2010	8	21.7
2011	31	21.7
2012	20	21.7
2013	27	21.7
2014	21	21.7
2015	18	21.7
2016	33	21.7
2017	17	21.7
2019	20	21.7
2020	21	24.7
2021	29	24.7
2022	22	24.7
2023	24	24.7
2024	22	24.7
2025	30	24.7

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

First to last qualifying date each year at Deeside
Year	First date	Last date
1907	1907-03-27	1907-11-21
1908	1908-02-26	1908-11-25
1909	1909-01-17	1909-11-07
1910	1910-01-05	1910-11-27
1911	1911-04-27	1911-12-03
1912	1912-03-01	1912-11-14
1913	1913-03-16	1913-12-22
1914	1914-02-12	1914-11-11
1915	1915-02-26	1915-11-13
1916	1916-02-14	1916-11-25
1917	1917-01-29	1917-12-20
1918	1918-01-20	1918-10-28
1919	1919-03-29	1919-11-05
1920	1920-02-22	1920-09-07
1921	1921-01-08	1921-12-08
1922	1922-03-01	1922-10-17
1924	1924-05-11	1924-11-10
1925	1925-04-13	1925-10-28
1926	1926-02-14	1926-10-21
1927	1927-03-13	1927-10-07
1928	1928-01-09	1928-10-21
1929	1929-03-17	1929-12-25
1930	1930-01-04	1930-10-31
1931	1931-03-11	1931-11-12
1933	1933-01-17	1933-10-11
1934	1934-03-07	1934-12-05
1935	1935-05-25	1935-12-01
1936	1936-05-05	1936-10-17
1937	1937-04-19	1937-11-24
1938	1938-03-23	1938-12-04
1939	1939-01-21	1939-10-27
1940	1940-05-18	1940-12-18
1941	1941-03-15	1941-11-18
1942	1942-03-13	1942-12-10
1943	1943-01-31	1943-09-19
1944	1944-04-30	1944-12-07
1945	1945-03-26	1945-12-25
1946	1946-05-27	1946-12-05
1947	1947-04-03	1947-12-16
1948	1948-04-16	1948-12-24
1949	1949-01-25	1949-11-16
1950	1950-01-04	1950-12-27
1951	1951-01-02	1951-10-14
1952	1952-02-13	1952-11-06
1953	1953-02-02	1953-11-16
1954	1954-01-14	1954-11-11
1955	1955-02-06	1955-12-14
1956	1956-03-05	1956-12-05
1957	1957-01-20	1957-08-29
1958	1958-02-13	1958-08-04
1959	1959-04-11	1959-12-31
1960	1960-01-02	1960-09-23
1961	1961-01-27	1961-11-20
1962	1962-02-17	1962-12-29
1963	1963-01-10	1963-10-31
1964	1964-04-24	1964-12-20
1965	1965-02-02	1965-12-20
1966	1966-02-13	1966-12-27
1967	1967-03-15	1967-12-09
1968	1968-01-07	1968-10-20
1969	1969-03-13	1969-11-04
1970	1970-02-05	1970-10-07
1971	1971-02-01	1971-11-23
1972	1972-04-20	1972-10-07
1973	1973-04-16	1973-11-14
1974	1974-02-03	1974-11-19
1975	1975-03-09	1975-11-17
1976	1976-01-07	1976-11-28
1977	1977-05-16	1977-11-24
1978	1978-02-18	1978-12-21
1979	1979-03-15	1979-11-10
1980	1980-04-04	1980-11-26
1981	1981-03-06	1981-11-26
1982	1982-01-21	1982-11-27
1983	1983-02-07	1983-12-28
1984	1984-04-30	1984-12-28
1985	1985-01-17	1985-11-22
1986	1986-02-27	1986-10-17
1987	1987-03-25	1987-12-24
1988	1988-01-13	1988-11-07
1989	1989-01-15	1989-10-21
1990	1990-02-12	1990-10-29
1991	1991-02-27	1991-12-25
1992	1992-01-29	1992-11-20
1993	1993-03-18	1993-11-16
1994	1994-05-12	1994-10-03
1995	1995-05-10	1995-12-25
1996	1996-01-30	1996-12-12
1997	1997-02-25	1997-11-21
1998	1998-03-08	1998-09-22
1999	1999-05-06	1999-12-20
2000	2000-01-15	2000-09-06
2001	2001-05-06	2001-12-04
2002	2002-03-31	2002-11-01
2003	2003-02-17	2003-11-19
2004	2004-05-10	2004-08-25
2005	2005-02-14	2005-12-23
2006	2006-03-23	2006-10-12
2007	2007-01-03	2007-12-19
2008	2008-04-01	2008-12-21
2009	2009-02-26	2009-11-19
2010	2010-05-13	2010-11-11
2011	2011-01-06	2011-11-08
2012	2012-05-08	2012-12-12
2013	2013-03-11	2013-11-30
2014	2014-04-28	2014-10-23
2015	2015-01-29	2015-12-06
2016	2016-01-19	2016-10-01
2017	2017-02-11	2017-12-18
2019	2019-03-07	2019-11-02
2020	2020-02-13	2020-12-31
2021	2021-02-06	2021-11-22
2022	2022-03-27	2022-11-11
2023	2023-03-09	2023-11-29
2024	2024-05-02	2024-11-20
2025	2025-03-14	2025-11-24

Every Fixed Threshold

Fixed thresholds at Deeside
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	116	45	1910	30
25 mm (0.98 in): Days with 25 mm or more rain	109	10	1917	4
50 mm (1.97 in): Days with 50 mm or more rain	22	2	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Deeside 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Deeside Threshold Days by Year

Key Facts for Deeside Thresholds

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

Every Fixed Threshold

Download the Data

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