Devenish Threshold Days by Year (ASN00081012)

3 fixed thresholds counted per year at Devenish (ASN00081012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Devenish Thresholds

Devenish: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1956 with 29.
Devenish: days with 25 mm (0.98 in) or more of precipitation in 54 years, most in 1939 with 10.
Devenish: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1939 with 4.
3 fixed thresholds have at least one qualifying day at Devenish.

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

60 years with a qualifying day

Days per year at Devenish with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Devenish
Year	Days	Decade average
1908	9	13
1909	17	13
1910	17	15.8
1911	13	15.8
1912	17	15.8
1913	13	15.8
1914	7	15.8
1915	9	15.8
1916	24	15.8
1917	26	15.8
1918	20	15.8
1919	12	15.8
1920	17	15.2
1921	22	15.2
1922	9	15.2
1923	14	15.2
1924	23	15.2
1925	10	15.2
1927	11	15.2
1928	19	15.2
1929	12	15.2
1930	11	16.3
1931	19	16.3
1932	19	16.3
1933	15	16.3
1934	25	16.3
1935	18	16.3
1936	18	16.3
1937	12	16.3
1938	7	16.3
1939	19	16.3
1940	8	14.1
1941	15	14.1
1942	18	14.1
1943	6	14.1
1944	7	14.1
1945	13	14.1
1946	18	14.1
1947	17	14.1
1948	14	14.1
1949	25	14.1
1950	21	18.2
1951	12	18.2
1952	17	18.2
1953	17	18.2
1954	22	18.2
1955	18	18.2
1956	29	18.2
1957	11	18.2
1958	20	18.2
1959	15	18.2
1960	20	15.8
1961	8	15.8
1962	17	15.8
1963	27	15.8
1964	18	15.8
1965	12	15.8
1966	18	15.8
1967	7	15.8
1968	15	15.8

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

First to last qualifying date each year at Devenish
Year	First date	Last date
1908	1908-05-14	1908-12-22
1909	1909-02-26	1909-12-01
1910	1910-01-15	1910-12-03
1911	1911-01-06	1911-12-01
1912	1912-01-05	1912-12-08
1913	1913-03-11	1913-12-31
1914	1914-01-26	1914-12-26
1915	1915-05-13	1915-10-23
1916	1916-01-29	1916-12-09
1917	1917-01-02	1917-11-22
1918	1918-01-13	1918-12-24
1919	1919-02-18	1919-12-28
1920	1920-06-02	1920-12-14
1921	1921-01-02	1921-10-15
1922	1922-01-20	1922-12-30
1923	1923-05-08	1923-12-27
1924	1924-01-06	1924-12-15
1925	1925-01-13	1925-09-17
1927	1927-05-11	1927-12-19
1928	1928-01-19	1928-10-15
1929	1929-02-17	1929-12-28
1930	1930-03-13	1930-12-25
1931	1931-01-08	1931-11-16
1932	1932-03-08	1932-12-16
1933	1933-01-24	1933-12-15
1934	1934-01-06	1934-12-30
1935	1935-01-06	1935-12-26
1936	1936-01-04	1936-12-19
1937	1937-01-19	1937-10-19
1938	1938-01-16	1938-08-28
1939	1939-02-17	1939-11-04
1940	1940-04-04	1940-12-28
1941	1941-01-04	1941-11-05
1942	1942-01-20	1942-11-22
1943	1943-01-22	1943-11-18
1944	1944-04-09	1944-12-15
1945	1945-01-14	1945-11-17
1946	1946-01-18	1946-11-20
1947	1947-02-10	1947-12-18
1948	1948-02-14	1948-12-29
1949	1949-02-21	1949-11-21
1950	1950-02-03	1950-11-20
1951	1951-01-07	1951-11-27
1952	1952-03-22	1952-12-01
1953	1953-01-15	1953-11-27
1954	1954-01-24	1954-12-12
1955	1955-01-29	1955-11-25
1956	1956-01-19	1956-11-16
1957	1957-02-08	1957-12-31
1958	1958-02-19	1958-11-22
1959	1959-01-24	1959-12-11
1960	1960-01-09	1960-12-27
1961	1961-03-01	1961-10-21
1962	1962-01-18	1962-12-31
1963	1963-01-02	1963-12-11
1964	1964-02-03	1964-12-23
1965	1965-05-31	1965-12-07
1966	1966-01-30	1966-12-14
1967	1967-02-25	1967-08-27
1968	1968-01-11	1968-12-24

Every Fixed Threshold

Fixed thresholds at Devenish
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	60	29	1956	15
25 mm (0.98 in): Days with 25 mm or more rain	54	10	1939	1
50 mm (1.97 in): Days with 50 mm or more rain	17	4	1939	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Devenish 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).

Devenish Threshold Days by Year (ASN00081012)

Key Facts for Devenish Thresholds

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

Every Fixed Threshold

Download the Data

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