Avon Downs Threshold Days by Year (ASN00015005)

4 fixed thresholds counted per year at Avon Downs (ASN00015005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Avon Downs Thresholds

Avon Downs: days with 10 mm (0.39 in) or more of precipitation in 92 years, most in 2000 with 24.
Avon Downs: days with 25 mm (0.98 in) or more of precipitation in 85 years, most in 1984 with 14.
Avon Downs: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 1953 with 6.
Avon Downs: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1915 with 1.
4 fixed thresholds have at least one qualifying day at Avon Downs.

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

92 years with a qualifying day

Days per year at Avon Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 2000.

Days with 10 mm (0.39 in) or more of precipitation per year at Avon Downs
Year	Days	Decade average
1909	9	9
1910	13	11
1911	13	11
1912	11	11
1913	13	11
1914	13	11
1915	9	11
1916	15	11
1917	7	11
1918	7	11
1919	9	11
1921	16	9.2
1922	6	9.2
1923	8	9.2
1924	12	9.2
1925	12	9.2
1926	6	9.2
1927	11	9.2
1928	5	9.2
1929	7	9.2
1930	11	8.7
1931	5	8.7
1932	6	8.7
1933	14	8.7
1934	8	8.7
1935	6	8.7
1936	7	8.7
1937	11	8.7
1938	10	8.7
1939	9	8.7
1940	15	10.2
1941	10	10.2
1942	9	10.2
1943	6	10.2
1944	12	10.2
1945	6	10.2
1946	12	10.2
1948	9	10.2
1949	13	10.2
1950	22	9.5
1951	8	9.5
1952	4	9.5
1953	12	9.5
1954	2	9.5
1955	11	9.5
1956	10	9.5
1957	7	9.5
1960	9	9.2
1962	10	9.2
1964	9	9.2
1965	8	9.2
1966	12	9.2
1969	7	9.2
1970	4	13.2
1971	12	13.2
1972	6	13.2
1974	29	13.2
1975	13	13.2
1976	11	13.2
1977	21	13.2
1978	9	13.2
1979	14	13.2
1980	4	9.7
1981	11	9.7
1982	9	9.7
1983	14	9.7
1984	22	9.7
1985	6	9.7
1986	5	9.7
1987	12	9.7
1988	5	9.7
1989	9	9.7
1990	4	10.6
1991	5	10.6
1992	9	10.6
1993	12	10.6
1994	9	10.6
1995	13	10.6
1996	6	10.6
1997	21	10.6
1998	14	10.6
1999	13	10.6
2000	24	15
2001	9	15
2002	11	15
2003	16	15
2013	4	9.8
2014	13	9.8
2016	20	9.8
2017	8	9.8
2018	7	9.8
2019	7	9.8

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

First to last qualifying date each year at Avon Downs
Year	First date	Last date
1909	1909-02-16	1909-12-04
1910	1910-01-05	1910-12-10
1911	1911-02-05	1911-12-31
1912	1912-02-13	1912-11-16
1913	1913-01-05	1913-12-26
1914	1914-01-13	1914-12-20
1915	1915-01-21	1915-12-29
1916	1916-01-04	1916-12-30
1917	1917-01-13	1917-12-09
1918	1918-01-09	1918-12-09
1919	1919-01-06	1919-11-07
1921	1921-01-10	1921-10-18
1922	1922-02-18	1922-12-15
1923	1923-01-06	1923-12-27
1924	1924-01-03	1924-12-12
1925	1925-01-13	1925-12-23
1926	1926-01-13	1926-12-17
1927	1927-01-09	1927-12-06
1928	1928-02-07	1928-12-19
1929	1929-01-09	1929-12-29
1930	1930-01-16	1930-11-17
1931	1931-01-17	1931-12-05
1932	1932-02-06	1932-12-01
1933	1933-01-23	1933-12-14
1934	1934-01-06	1934-11-10
1935	1935-01-19	1935-12-02
1936	1936-01-12	1936-12-03
1937	1937-01-02	1937-12-15
1938	1938-01-03	1938-11-14
1939	1939-01-08	1939-11-27
1940	1940-01-03	1940-11-12
1941	1941-01-02	1941-06-13
1942	1942-01-06	1942-12-08
1943	1943-02-17	1943-12-18
1944	1944-02-06	1944-12-18
1945	1945-02-09	1945-12-23
1946	1946-01-13	1946-12-25
1948	1948-01-02	1948-12-27
1949	1949-01-06	1949-12-21
1950	1950-01-11	1950-12-31
1951	1951-01-06	1951-03-06
1952	1952-01-23	1952-11-07
1953	1953-01-06	1953-12-30
1954	1954-10-14	1954-12-20
1955	1955-01-29	1955-10-30
1956	1956-02-13	1956-12-20
1957	1957-01-08	1957-03-10
1960	1960-02-04	1960-12-25
1962	1962-01-12	1962-12-28
1964	1964-01-05	1964-12-29
1965	1965-03-01	1965-12-22
1966	1966-01-07	1966-12-13
1969	1969-02-12	1969-12-18
1970	1970-02-08	1970-11-28
1971	1971-03-03	1971-12-11
1972	1972-02-17	1972-03-19
1974	1974-01-01	1974-12-28
1975	1975-01-04	1975-12-19
1976	1976-01-02	1976-12-13
1977	1977-01-16	1977-12-21
1978	1978-01-20	1978-10-30
1979	1979-01-16	1979-12-31
1980	1980-01-02	1980-02-04
1981	1981-01-14	1981-12-13
1982	1982-01-13	1982-12-23
1983	1983-01-28	1983-12-31
1984	1984-01-05	1984-12-16
1985	1985-02-03	1985-11-15
1986	1986-07-01	1986-10-26
1987	1987-01-26	1987-12-25
1988	1988-02-06	1988-12-21
1989	1989-01-03	1989-11-24
1990	1990-04-09	1990-12-08
1991	1991-01-18	1991-12-08
1992	1992-02-27	1992-12-17
1993	1993-01-03	1993-12-15
1994	1994-01-13	1994-12-24
1995	1995-01-05	1995-12-23
1996	1996-03-01	1996-12-30
1997	1997-01-04	1997-12-31
1998	1998-01-19	1998-12-28
1999	1999-01-07	1999-12-23
2000	2000-02-15	2000-12-26
2001	2001-01-11	2001-12-11
2002	2002-01-06	2002-12-31
2003	2003-01-01	2003-12-28
2013	2013-02-21	2013-12-24
2014	2014-01-26	2014-12-25
2016	2016-01-13	2016-12-28
2017	2017-01-13	2017-12-30
2018	2018-01-31	2018-11-22
2019	2019-02-01	2019-12-19

Every Fixed Threshold

Fixed thresholds at Avon Downs
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	92	24	2000	7
25 mm (0.98 in): Days with 25 mm or more rain	85	14	1984	2
50 mm (1.97 in): Days with 50 mm or more rain	54	6	1953	3
100 mm (3.94 in): Days with 100 mm or more rain	13	1	1915	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

Data for Avon Downs 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).

Avon Downs Threshold Days by Year (ASN00015005)

Key Facts for Avon Downs Thresholds

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

Every Fixed Threshold

Download the Data

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