Ayrshire Downs Threshold Days by Year (ASN00037001)

5 fixed thresholds counted per year at Ayrshire Downs (ASN00037001): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ayrshire Downs Thresholds

Ayrshire Downs: days with 10 mm (0.39 in) or more of precipitation in 126 years, most in 1950 with 34.
Ayrshire Downs: days with 25 mm (0.98 in) or more of precipitation in 124 years, most in 1950 with 14.
Ayrshire Downs: days with 50 mm (1.97 in) or more of precipitation in 94 years, most in 1955 with 6.
Ayrshire Downs: days with 100 mm (3.94 in) or more of precipitation in 23 years, most in 1937 with 2.
5 fixed thresholds have at least one qualifying day at Ayrshire Downs.

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

126 years with a qualifying day

Days per year at Ayrshire Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1950.

Days with 10 mm (0.39 in) or more of precipitation per year at Ayrshire Downs
Year	Days	Decade average
1887	10	10.3
1888	10	10.3
1889	11	10.3
1890	21	12.7
1892	4	12.7
1893	13	12.7
1894	23	12.7
1895	18	12.7
1896	8	12.7
1897	9	12.7
1898	12	12.7
1899	6	12.7
1900	4	8.7
1901	6	8.7
1902	2	8.7
1904	9	8.7
1905	5	8.7
1906	18	8.7
1907	12	8.7
1908	12	8.7
1909	10	8.7
1910	13	12.5
1911	9	12.5
1912	9	12.5
1913	12	12.5
1914	12	12.5
1915	7	12.5
1916	18	12.5
1917	18	12.5
1918	15	12.5
1919	12	12.5
1920	28	11.6
1921	11	11.6
1922	12	11.6
1923	7	11.6
1924	20	11.6
1925	10	11.6
1926	7	11.6
1927	8	11.6
1928	3	11.6
1929	10	11.6
1930	19	9.4
1931	10	9.4
1932	3	9.4
1933	8	9.4
1934	7	9.4
1935	7	9.4
1936	13	9.4
1937	7	9.4
1938	9	9.4
1939	11	9.4
1940	14	10.7
1941	22	10.7
1942	12	10.7
1943	5	10.7
1944	14	10.7
1945	8	10.7
1946	8	10.7
1947	9	10.7
1948	5	10.7
1949	10	10.7
1950	34	14.1
1951	8	14.1
1952	9	14.1
1953	9	14.1
1954	16	14.1
1955	17	14.1
1956	19	14.1
1957	8	14.1
1958	14	14.1
1959	7	14.1
1960	7	9.4
1961	8	9.4
1962	15	9.4
1963	8	9.4
1964	15	9.4
1965	7	9.4
1966	8	9.4
1967	8	9.4
1968	11	9.4
1969	7	9.4
1970	8	13.1
1971	14	13.1
1972	11	13.1
1973	16	13.1
1974	21	13.1
1975	17	13.1
1976	12	13.1
1977	12	13.1
1978	9	13.1
1979	11	13.1
1980	7	10.4
1981	17	10.4
1982	10	10.4
1983	6	10.4
1984	16	10.4
1985	10	10.4
1986	9	10.4
1987	8	10.4
1988	9	10.4
1989	12	10.4
1990	9	12.6
1991	14	12.6
1992	11	12.6
1993	14	12.6
1994	7	12.6
1995	12	12.6
1996	7	12.6
1997	17	12.6
1998	17	12.6
1999	18	12.6
2000	24	11.7
2001	8	11.7
2002	4	11.7
2003	12	11.7
2004	13	11.7
2005	11	11.7
2006	10	11.7
2018	7	8.5
2019	10	8.5
2020	11	15.8
2021	12	15.8
2022	21	15.8
2023	16	15.8
2024	15	15.8
2025	20	15.8

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

First to last qualifying date each year at Ayrshire Downs
Year	First date	Last date
1887	1887-02-08	1887-12-09
1888	1888-01-03	1888-12-19
1889	1889-01-17	1889-11-10
1890	1890-01-01	1890-12-03
1892	1892-01-22	1892-10-26
1893	1893-01-08	1893-12-27
1894	1894-01-08	1894-12-26
1895	1895-01-03	1895-11-29
1896	1896-02-03	1896-12-22
1897	1897-01-06	1897-10-18
1898	1898-01-01	1898-09-30
1899	1899-01-05	1899-07-27
1900	1900-02-22	1900-12-20
1901	1901-02-16	1901-08-24
1902	1902-01-30	1902-02-02
1904	1904-01-01	1904-12-13
1905	1905-01-14	1905-12-31
1906	1906-01-28	1906-12-21
1907	1907-02-17	1907-12-30
1908	1908-01-08	1908-11-25
1909	1909-01-16	1909-12-05
1910	1910-01-02	1910-11-10
1911	1911-01-08	1911-12-14
1912	1912-01-28	1912-12-28
1913	1913-01-05	1913-12-28
1914	1914-01-14	1914-12-26
1915	1915-05-14	1915-12-28
1916	1916-01-25	1916-12-31
1917	1917-01-01	1917-12-24
1918	1918-01-02	1918-12-30
1919	1919-01-12	1919-12-04
1920	1920-01-12	1920-12-30
1921	1921-02-21	1921-12-25
1922	1922-01-17	1922-12-26
1923	1923-01-04	1923-12-23
1924	1924-01-06	1924-12-16
1925	1925-01-11	1925-11-16
1926	1926-01-28	1926-12-20
1927	1927-01-23	1927-12-22
1928	1928-11-05	1928-12-14
1929	1929-01-05	1929-11-17
1930	1930-01-23	1930-12-05
1931	1931-01-16	1931-12-25
1932	1932-03-20	1932-05-18
1933	1933-02-13	1933-11-29
1934	1934-01-30	1934-10-16
1935	1935-01-20	1935-11-06
1936	1936-01-06	1936-11-10
1937	1937-01-02	1937-06-15
1938	1938-02-04	1938-11-16
1939	1939-02-14	1939-11-13
1940	1940-01-08	1940-12-28
1941	1941-01-02	1941-12-02
1942	1942-02-13	1942-12-29
1943	1943-02-04	1943-12-19
1944	1944-02-02	1944-12-19
1945	1945-01-06	1945-12-17
1946	1946-01-10	1946-11-17
1947	1947-01-12	1947-12-20
1948	1948-01-01	1948-12-30
1949	1949-02-15	1949-12-20
1950	1950-01-18	1950-11-24
1951	1951-01-01	1951-06-13
1952	1952-01-22	1952-12-27
1953	1953-01-07	1953-10-13
1954	1954-01-01	1954-12-10
1955	1955-01-03	1955-06-09
1956	1956-01-12	1956-12-22
1957	1957-01-08	1957-12-30
1958	1958-01-25	1958-12-28
1959	1959-01-27	1959-05-24
1960	1960-01-11	1960-12-29
1961	1961-01-01	1961-12-23
1962	1962-01-06	1962-12-28
1963	1963-01-10	1963-03-31
1964	1964-01-02	1964-12-26
1965	1965-03-09	1965-12-15
1966	1966-01-07	1966-11-08
1967	1967-02-02	1967-06-20
1968	1968-02-10	1968-12-21
1969	1969-01-09	1969-12-24
1970	1970-01-12	1970-12-08
1971	1971-03-04	1971-12-26
1972	1972-01-11	1972-12-02
1973	1973-01-10	1973-12-29
1974	1974-01-11	1974-12-28
1975	1975-01-02	1975-12-30
1976	1976-01-21	1976-12-21
1977	1977-01-23	1977-12-20
1978	1978-01-15	1978-12-04
1979	1979-01-22	1979-12-29
1980	1980-01-05	1980-12-29
1981	1981-01-14	1981-07-22
1982	1982-01-09	1982-11-05
1983	1983-01-02	1983-11-29
1984	1984-01-08	1984-12-20
1985	1985-02-25	1985-12-23
1986	1986-02-03	1986-12-07
1987	1987-01-24	1987-12-29
1988	1988-02-11	1988-12-27
1989	1989-02-03	1989-12-14
1990	1990-03-23	1990-12-07
1991	1991-01-14	1991-12-31
1992	1992-02-04	1992-12-16
1993	1993-01-07	1993-12-23
1994	1994-02-01	1994-11-30
1995	1995-01-04	1995-12-12
1996	1996-02-01	1996-12-17
1997	1997-01-14	1997-12-22
1998	1998-01-12	1998-12-31
1999	1999-01-01	1999-12-23
2000	2000-01-21	2000-12-29
2001	2001-01-29	2001-12-16
2002	2002-01-08	2002-12-29
2003	2003-01-06	2003-12-28
2004	2004-01-14	2004-12-24
2005	2005-01-05	2005-12-08
2006	2006-01-22	2006-05-23
2018	2018-01-29	2018-03-24
2019	2019-01-09	2019-03-28
2020	2020-01-16	2020-12-29
2021	2021-02-05	2021-12-14
2022	2022-01-18	2022-12-24
2023	2023-01-11	2023-12-17
2024	2024-01-03	2024-12-21
2025	2025-02-03	2025-12-30

Every Fixed Threshold

Fixed thresholds at Ayrshire 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	126	34	1950	20
25 mm (0.98 in): Days with 25 mm or more rain	124	14	1950	8
50 mm (1.97 in): Days with 50 mm or more rain	94	6	1955	3
100 mm (3.94 in): Days with 100 mm or more rain	23	2	1937	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1946	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1887.

Download the Data

Data for Ayrshire 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).

Ayrshire Downs Threshold Days by Year (ASN00037001)

Key Facts for Ayrshire Downs Thresholds

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

Every Fixed Threshold

Download the Data

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