Idomia Threshold Days by Year (SF002942330)

4 fixed thresholds counted per year at Idomia (SF002942330): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Idomia Thresholds

Idomia: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1934 with 29.
Idomia: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 1943 with 17.
Idomia: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1936 with 3.
Idomia: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1988 with 1.
4 fixed thresholds have at least one qualifying day at Idomia.

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

75 years with a qualifying day

Days per year at Idomia with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1934.

Days with 10 mm (0.39 in) or more of precipitation per year at Idomia
Year	Days	Decade average
1915	17	16.4
1916	17	16.4
1917	18	16.4
1918	20	16.4
1919	10	16.4
1920	14	16.4
1921	12	16.4
1923	17	16.4
1924	24	16.4
1925	24	16.4
1926	7	16.4
1927	16	16.4
1929	17	16.4
1931	14	17
1932	12	17
1933	14	17
1934	29	17
1935	15	17
1936	21	17
1937	14	17
1938	11	17
1939	23	17
1940	13	15.4
1943	29	15.4
1944	14	15.4
1945	7	15.4
1946	12	15.4
1947	16	15.4
1948	17	15.4
1949	15	15.4
1950	20	21.9
1951	15	21.9
1952	18	21.9
1955	20	21.9
1956	25	21.9
1957	29	21.9
1958	22	21.9
1959	26	21.9
1960	14	18.4
1961	20	18.4
1962	18	18.4
1963	23	18.4
1964	13	18.4
1965	10	18.4
1966	21	18.4
1967	25	18.4
1968	18	18.4
1969	22	18.4
1970	19	18.4
1971	16	18.4
1972	17	18.4
1973	15	18.4
1974	23	18.4
1975	27	18.4
1976	20	18.4
1977	16	18.4
1978	15	18.4
1979	16	18.4
1980	15	18.9
1981	29	18.9
1982	16	18.9
1983	10	18.9
1984	15	18.9
1985	15	18.9
1987	17	18.9
1988	29	18.9
1989	24	18.9
1990	15	18.6
1991	25	18.6
1992	12	18.6
1993	21	18.6
1994	11	18.6
1995	19	18.6
1996	29	18.6
1997	17	18.6

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

First to last qualifying date each year at Idomia
Year	First date	Last date
1915	1915-01-07	1915-12-07
1916	1916-01-03	1916-12-20
1917	1917-01-06	1917-12-16
1918	1918-01-12	1918-11-19
1919	1919-01-10	1919-09-05
1920	1920-01-23	1920-11-24
1921	1921-01-08	1921-04-14
1923	1923-01-09	1923-12-20
1924	1924-01-25	1924-12-18
1925	1925-01-07	1925-11-13
1926	1926-02-20	1926-12-09
1927	1927-01-26	1927-12-29
1929	1929-01-22	1929-12-05
1931	1931-01-01	1931-12-01
1932	1932-01-15	1932-12-21
1933	1933-01-18	1933-12-27
1934	1934-01-03	1934-12-09
1935	1935-01-14	1935-12-16
1936	1936-01-01	1936-12-27
1937	1937-01-07	1937-12-16
1938	1938-02-08	1938-12-29
1939	1939-01-01	1939-12-08
1940	1940-01-04	1940-10-10
1943	1943-01-22	1943-12-26
1944	1944-01-05	1944-11-28
1945	1945-01-07	1945-12-26
1946	1946-01-09	1946-11-28
1947	1947-01-15	1947-11-14
1948	1948-01-23	1948-10-12
1949	1949-01-28	1949-12-12
1950	1950-01-04	1950-12-24
1951	1951-01-02	1951-10-29
1952	1952-01-20	1952-12-17
1955	1955-01-06	1955-12-20
1956	1956-01-13	1956-12-25
1957	1957-01-10	1957-12-31
1958	1958-01-04	1958-12-27
1959	1959-01-25	1959-12-30
1960	1960-01-25	1960-12-29
1961	1961-01-02	1961-12-16
1962	1962-01-19	1962-12-27
1963	1963-01-09	1963-11-18
1964	1964-01-09	1964-12-29
1965	1965-01-14	1965-11-16
1966	1966-01-07	1966-12-31
1967	1967-01-03	1967-10-31
1968	1968-01-19	1968-12-09
1969	1969-02-02	1969-10-26
1970	1970-01-25	1970-12-24
1971	1971-01-07	1971-12-01
1972	1972-01-13	1972-11-06
1973	1973-01-02	1973-12-27
1974	1974-01-05	1974-12-01
1975	1975-01-21	1975-12-26
1976	1976-01-05	1976-12-13
1977	1977-01-12	1977-12-30
1978	1978-01-10	1978-12-09
1979	1979-01-14	1979-12-19
1980	1980-01-22	1980-12-01
1981	1981-01-03	1981-12-19
1982	1982-01-28	1982-12-05
1983	1983-03-03	1983-12-30
1984	1984-01-06	1984-12-17
1985	1985-01-15	1985-12-05
1987	1987-01-11	1987-12-17
1988	1988-02-12	1988-12-28
1989	1989-01-05	1989-12-31
1990	1990-01-15	1990-12-05
1991	1991-01-06	1991-12-10
1992	1992-02-19	1992-12-03
1993	1993-01-03	1993-12-29
1994	1994-01-04	1994-12-08
1995	1995-01-11	1995-12-17
1996	1996-01-06	1996-12-30
1997	1997-01-17	1997-10-12

Every Fixed Threshold

Fixed thresholds at Idomia
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	75	29	1934	17
25 mm (0.98 in): Days with 25 mm or more rain	75	17	1943	6
50 mm (1.97 in): Days with 50 mm or more rain	41	3	1936	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	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 1915.

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Data for Idomia 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).

Idomia Threshold Days by Year (SF002942330)

Key Facts for Idomia Thresholds

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

Every Fixed Threshold

Download the Data

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