Mt Douglas Threshold Days by Year

5 fixed thresholds counted per year at Mt Douglas (ASN00034022): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mt Douglas Thresholds

Mt Douglas: days with 10 mm (0.39 in) or more of precipitation in 92 years, most in 1974 with 34.
Mt Douglas: days with 25 mm (0.98 in) or more of precipitation in 92 years, most in 1954 with 17.
Mt Douglas: days with 50 mm (1.97 in) or more of precipitation in 81 years, most in 1918 with 6.
Mt Douglas: days with 100 mm (3.94 in) or more of precipitation in 18 years, most in 1979 with 2.
5 fixed thresholds have at least one qualifying day at Mt Douglas.

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

92 years with a qualifying day

Days per year at Mt Douglas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Mt Douglas
Year	Days	Decade average
1913	18	16.3
1914	13	16.3
1915	6	16.3
1916	17	16.3
1917	31	16.3
1918	20	16.3
1919	9	16.3
1920	19	18
1921	17	18
1922	16	18
1923	10	18
1924	30	18
1929	16	18
1930	11	14.5
1931	10	14.5
1932	12	14.5
1933	24	14.5
1934	16	14.5
1935	8	14.5
1936	18	14.5
1937	13	14.5
1938	17	14.5
1939	16	14.5
1940	22	17.6
1941	24	17.6
1942	24	17.6
1943	14	17.6
1944	21	17.6
1945	11	17.6
1946	11	17.6
1947	18	17.6
1948	11	17.6
1949	20	17.6
1950	29	20
1951	13	20
1952	13	20
1953	17	20
1954	28	20
1955	19	20
1956	27	20
1957	17	20
1958	20	20
1959	17	20
1960	17	16
1961	13	16
1962	21	16
1963	19	16
1964	16	16
1965	15	16
1966	10	16
1967	17	16
1968	22	16
1969	10	16
1970	20	19.6
1971	22	19.6
1972	10	19.6
1973	20	19.6
1974	34	19.6
1975	26	19.6
1976	22	19.6
1977	13	19.6
1978	20	19.6
1979	9	19.6
1980	14	19
1981	24	19
1982	11	19
1983	23	19
1984	22	19
1985	21	19
1986	16	19
1987	19	19
1988	21	19
1989	19	19
1990	16	13.9
1991	17	13.9
1992	7	13.9
1993	8	13.9
1994	9	13.9
1995	16	13.9
1996	10	13.9
1997	18	13.9
1998	26	13.9
1999	12	13.9
2000	27	16.3
2001	8	16.3
2003	14	16.3
2004	11	16.3
2006	15	16.3
2007	23	16.3
2016	22	12
2018	6	12
2019	8	12

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

First to last qualifying date each year at Mt Douglas
Year	First date	Last date
1913	1913-01-05	1913-12-21
1914	1914-01-14	1914-12-24
1915	1915-01-08	1915-12-30
1916	1916-01-06	1916-12-29
1917	1917-01-01	1917-12-05
1918	1918-01-04	1918-12-27
1919	1919-01-16	1919-12-02
1920	1920-01-11	1920-12-06
1921	1921-01-08	1921-12-30
1922	1922-01-08	1922-12-27
1923	1923-01-08	1923-12-27
1924	1924-02-01	1924-12-16
1929	1929-02-08	1929-12-30
1930	1930-01-16	1930-10-04
1931	1931-01-12	1931-12-09
1932	1932-01-20	1932-12-22
1933	1933-01-10	1933-12-17
1934	1934-01-31	1934-12-28
1935	1935-02-08	1935-10-24
1936	1936-01-07	1936-12-31
1937	1937-01-02	1937-07-28
1938	1938-01-06	1938-11-06
1939	1939-01-27	1939-12-23
1940	1940-01-09	1940-12-01
1941	1941-01-04	1941-11-26
1942	1942-01-18	1942-12-30
1943	1943-01-02	1943-12-20
1944	1944-01-01	1944-12-20
1945	1945-02-21	1945-12-17
1946	1946-01-07	1946-12-30
1947	1947-01-15	1947-12-11
1948	1948-02-08	1948-12-31
1949	1949-01-10	1949-12-20
1950	1950-01-04	1950-11-24
1951	1951-01-10	1951-12-26
1952	1952-01-10	1952-11-05
1953	1953-01-01	1953-12-12
1954	1954-01-02	1954-12-17
1955	1955-01-16	1955-12-20
1956	1956-01-12	1956-12-25
1957	1957-01-10	1957-12-13
1958	1958-01-02	1958-12-16
1959	1959-01-02	1959-12-25
1960	1960-01-21	1960-12-30
1961	1961-01-17	1961-12-15
1962	1962-01-04	1962-12-28
1963	1963-01-09	1963-12-18
1964	1964-02-04	1964-12-06
1965	1965-01-08	1965-12-18
1966	1966-01-24	1966-12-10
1967	1967-01-05	1967-12-31
1968	1968-01-05	1968-12-19
1969	1969-02-15	1969-12-24
1970	1970-01-14	1970-12-31
1971	1971-01-24	1971-12-27
1972	1972-01-08	1972-11-28
1973	1973-01-12	1973-12-25
1974	1974-01-02	1974-12-29
1975	1975-01-01	1975-12-28
1976	1976-01-14	1976-12-28
1977	1977-01-15	1977-12-23
1978	1978-01-06	1978-12-24
1979	1979-02-07	1979-12-26
1980	1980-01-05	1980-12-29
1981	1981-01-03	1981-12-10
1982	1982-01-16	1982-12-21
1983	1983-01-01	1983-11-29
1984	1984-01-06	1984-12-28
1985	1985-01-24	1985-12-09
1986	1986-02-05	1986-12-02
1987	1987-01-10	1987-12-30
1988	1988-02-08	1988-12-28
1989	1989-01-03	1989-12-09
1990	1990-01-16	1990-12-30
1991	1991-01-04	1991-12-20
1992	1992-01-18	1992-12-19
1993	1993-02-17	1993-12-23
1994	1994-01-31	1994-12-19
1995	1995-01-20	1995-12-24
1996	1996-01-03	1996-12-04
1997	1997-01-31	1997-12-29
1998	1998-01-11	1998-12-30
1999	1999-01-14	1999-12-27
2000	2000-01-10	2000-12-30
2001	2001-03-04	2001-12-17
2003	2003-02-02	2003-12-13
2004	2004-01-09	2004-12-27
2006	2006-01-09	2006-12-05
2007	2007-01-01	2007-12-29
2016	2016-01-03	2016-12-18
2018	2018-10-19	2018-12-23
2019	2019-01-10	2019-04-26

Every Fixed Threshold

Fixed thresholds at Mt Douglas
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	92	34	1974	8
25 mm (0.98 in): Days with 25 mm or more rain	92	17	1954	3
50 mm (1.97 in): Days with 50 mm or more rain	81	6	1918	1
100 mm (3.94 in): Days with 100 mm or more rain	18	2	1979	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1958	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

Data for Mt Douglas 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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

Mt Douglas Threshold Days by Year

Key Facts for Mt Douglas Thresholds

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

Every Fixed Threshold

Download the Data

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