Dilijan Threshold Days by Year

3 fixed thresholds counted per year at Dilijan (AM000037706): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dilijan Thresholds

Dilijan: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1963 with 33.
Dilijan: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1944 with 4.
Dilijan: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1970 with 1.
3 fixed thresholds have at least one qualifying day at Dilijan.

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

45 years with a qualifying day

Days per year at Dilijan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Dilijan
Year	Days	Decade average
1936	24	20
1937	17	20
1938	19	20
1941	13	15.7
1942	19	15.7
1943	10	15.7
1944	20	15.7
1945	19	15.7
1946	21	15.7
1947	17	15.7
1948	13	15.7
1949	9	15.7
1950	12	14.9
1951	22	14.9
1952	8	14.9
1953	12	14.9
1954	16	14.9
1955	27	14.9
1956	16	14.9
1957	7	14.9
1958	14	14.9
1960	17	19.3
1961	9	19.3
1962	14	19.3
1963	33	19.3
1964	13	19.3
1965	22	19.3
1967	23	19.3
1968	22	19.3
1969	21	19.3
1970	10	18.4
1971	20	18.4
1972	23	18.4
1973	18	18.4
1974	19	18.4
1975	20	18.4
1976	19	18.4
1984	14	18
1985	11	18
1986	20	18
1987	24	18
1988	23	18
1989	16	18
1990	19	20
1991	21	20

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

First to last qualifying date each year at Dilijan
Year	First date	Last date
1936	1936-02-13	1936-10-26
1937	1937-04-10	1937-10-26
1938	1938-02-23	1938-09-29
1941	1941-02-10	1941-11-15
1942	1942-01-02	1942-12-07
1943	1943-04-29	1943-12-17
1944	1944-02-23	1944-11-20
1945	1945-02-24	1945-11-18
1946	1946-01-03	1946-10-28
1947	1947-03-12	1947-12-24
1948	1948-03-14	1948-11-15
1949	1949-05-04	1949-10-01
1950	1950-05-09	1950-11-29
1951	1951-01-23	1951-12-16
1952	1952-03-03	1952-09-03
1953	1953-03-12	1953-11-25
1954	1954-02-20	1954-09-21
1955	1955-03-04	1955-11-29
1956	1956-02-06	1956-11-09
1957	1957-03-07	1957-08-28
1958	1958-03-26	1958-12-04
1960	1960-02-03	1960-09-08
1961	1961-01-20	1961-11-22
1962	1962-03-28	1962-12-07
1963	1963-02-25	1963-12-10
1964	1964-02-09	1964-11-25
1965	1965-03-02	1965-11-26
1967	1967-01-30	1967-12-23
1968	1968-01-07	1968-12-17
1969	1969-01-14	1969-12-13
1970	1970-02-19	1970-10-14
1971	1971-03-13	1971-12-07
1972	1972-01-15	1972-11-04
1973	1973-03-03	1973-11-23
1974	1974-03-29	1974-11-26
1975	1975-02-22	1975-11-28
1976	1976-01-06	1976-10-26
1984	1984-03-12	1984-10-30
1985	1985-02-21	1985-12-01
1986	1986-01-19	1986-11-28
1987	1987-01-23	1987-12-25
1988	1988-02-24	1988-10-27
1989	1989-03-27	1989-12-01
1990	1990-02-18	1990-11-09
1991	1991-01-22	1991-12-04

Every Fixed Threshold

Fixed thresholds at Dilijan
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	45	33	1963	21
25 mm (0.98 in): Days with 25 mm or more rain	37	4	1944	1
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1970	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

Data for Dilijan 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Dilijan Threshold Days by Year

Key Facts for Dilijan Thresholds

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

Every Fixed Threshold

Download the Data

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