Dono Threshold Days by Year (RSM00030972)

3 fixed thresholds counted per year at Dono (RSM00030972): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dono Thresholds

Dono: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1962 with 17.
Dono: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1948 with 4.
Dono: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1940 with 1.
3 fixed thresholds have at least one qualifying day at Dono.

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

51 years with a qualifying day

Days per year at Dono with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1962.

Days with 10 mm (0.39 in) or more of precipitation per year at Dono
Year	Days	Decade average
1939	10	10
1940	6	9.4
1942	8	9.4
1943	12	9.4
1944	7	9.4
1945	15	9.4
1946	6	9.4
1947	11	9.4
1948	10	9.4
1950	9	10.4
1951	14	10.4
1952	8	10.4
1953	8	10.4
1954	10	10.4
1955	10	10.4
1956	12	10.4
1957	11	10.4
1958	12	10.4
1960	14	11.9
1961	9	11.9
1962	17	11.9
1963	17	11.9
1964	6	11.9
1965	6	11.9
1966	16	11.9
1967	11	11.9
1968	12	11.9
1969	11	11.9
1970	14	10.2
1971	7	10.2
1972	6	10.2
1973	9	10.2
1974	13	10.2
1975	6	10.2
1976	11	10.2
1977	16	10.2
1978	12	10.2
1979	8	10.2
1980	12	11.6
1981	8	11.6
1982	8	11.6
1983	13	11.6
1984	14	11.6
1985	17	11.6
1986	12	11.6
1987	10	11.6
1988	12	11.6
1989	10	11.6
1990	19	11.7
1991	10	11.7
1992	6	11.7

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

First to last qualifying date each year at Dono
Year	First date	Last date
1939	1939-05-17	1939-09-10
1940	1940-07-11	1940-09-09
1942	1942-06-05	1942-10-07
1943	1943-05-23	1943-09-07
1944	1944-06-02	1944-09-14
1945	1945-05-24	1945-09-13
1946	1946-05-06	1946-09-12
1947	1947-06-11	1947-09-27
1948	1948-05-25	1948-10-11
1950	1950-05-02	1950-08-17
1951	1951-06-12	1951-09-27
1952	1952-04-27	1952-09-06
1953	1953-05-12	1953-07-21
1954	1954-06-06	1954-08-24
1955	1955-06-26	1955-09-17
1956	1956-06-19	1956-09-24
1957	1957-04-29	1957-08-29
1958	1958-04-29	1958-09-04
1960	1960-06-07	1960-10-14
1961	1961-06-19	1961-08-29
1962	1962-06-21	1962-09-20
1963	1963-04-19	1963-09-14
1964	1964-05-08	1964-10-03
1965	1965-04-22	1965-09-21
1966	1966-05-11	1966-08-30
1967	1967-05-25	1967-09-01
1968	1968-04-04	1968-09-25
1969	1969-07-08	1969-08-29
1970	1970-06-07	1970-09-27
1971	1971-07-16	1971-09-30
1972	1972-06-26	1972-09-22
1973	1973-06-09	1973-08-20
1974	1974-04-14	1974-08-31
1975	1975-06-01	1975-09-10
1976	1976-04-22	1976-08-10
1977	1977-05-16	1977-09-04
1978	1978-06-10	1978-09-18
1979	1979-04-23	1979-09-12
1980	1980-04-18	1980-09-15
1981	1981-04-23	1981-08-20
1982	1982-06-25	1982-09-25
1983	1983-05-27	1983-09-18
1984	1984-06-06	1984-08-28
1985	1985-03-24	1985-10-11
1986	1986-04-18	1986-08-26
1987	1987-06-25	1987-08-24
1988	1988-05-09	1988-08-19
1989	1989-04-06	1989-08-30
1990	1990-05-01	1990-09-20
1991	1991-06-15	1991-09-26
1992	1992-06-24	1992-08-29

Every Fixed Threshold

Fixed thresholds at Dono
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	51	17	1962	6
25 mm (0.98 in): Days with 25 mm or more rain	44	4	1948	2
50 mm (1.97 in): Days with 50 mm or more rain	13	1	1940	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

Data for Dono 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).

Dono Threshold Days by Year (RSM00030972)

Key Facts for Dono Thresholds

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

Every Fixed Threshold

Download the Data

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