Mount Bryan Threshold Days by Year

3 fixed thresholds counted per year at Mount Bryan (ASN00021034): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Bryan Thresholds

Mount Bryan: days with 10 mm (0.39 in) or more of precipitation in 108 years, most in 1916 with 25.
Mount Bryan: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1974 with 6.
Mount Bryan: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1973 with 3.
3 fixed thresholds have at least one qualifying day at Mount Bryan.

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

108 years with a qualifying day

Days per year at Mount Bryan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1916.

Days with 10 mm (0.39 in) or more of precipitation per year at Mount Bryan
Year	Days	Decade average
1898	9	8.5
1899	8	8.5
1901	9	9.9
1902	9	9.9
1903	18	9.9
1904	7	9.9
1905	13	9.9
1906	10	9.9
1907	9	9.9
1908	10	9.9
1909	4	9.9
1910	13	12.2
1911	11	12.2
1912	9	12.2
1914	4	12.2
1915	11	12.2
1916	25	12.2
1917	16	12.2
1918	5	12.2
1919	16	12.2
1920	11	9.1
1921	15	9.1
1925	9	9.1
1926	10	9.1
1927	7	9.1
1928	6	9.1
1929	6	9.1
1930	6	9.9
1931	10	9.9
1932	9	9.9
1933	11	9.9
1934	10	9.9
1935	11	9.9
1936	11	9.9
1937	13	9.9
1938	9	9.9
1939	9	9.9
1940	7	10.7
1941	12	10.7
1942	19	10.7
1943	9	10.7
1944	9	10.7
1945	6	10.7
1946	14	10.7
1947	15	10.7
1948	7	10.7
1949	9	10.7
1950	11	9.7
1951	14	9.7
1952	12	9.7
1953	6	9.7
1954	11	9.7
1955	12	9.7
1956	14	9.7
1957	5	9.7
1958	9	9.7
1959	3	9.7
1960	16	10.9
1961	12	10.9
1962	14	10.9
1963	15	10.9
1964	11	10.9
1965	11	10.9
1966	9	10.9
1967	2	10.9
1968	12	10.9
1969	7	10.9
1970	7	12.1
1971	12	12.1
1972	7	12.1
1973	15	12.1
1974	20	12.1
1975	12	12.1
1976	7	12.1
1977	7	12.1
1978	15	12.1
1979	19	12.1
1980	19	13
1981	13	13
1982	4	13
1983	9	13
1984	9	13
1986	17	13
1987	17	13
1988	16	13
1989	13	13
1990	11	12.3
1991	14	12.3
1994	5	12.3
1996	16	12.3
1997	12	12.3
1998	14	12.3
1999	14	12.3
2000	16	12.4
2001	11	12.4
2003	11	12.4
2004	9	12.4
2005	11	12.4
2007	15	12.4
2008	9	12.4
2009	17	12.4
2010	18	11.3
2018	10	11.3
2019	6	11.3
2021	10	10.8
2022	16	10.8
2023	7	10.8
2026	10	10.8

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

First to last qualifying date each year at Mount Bryan
Year	First date	Last date
1898	1898-02-26	1898-11-25
1899	1899-02-26	1899-08-04
1901	1901-04-02	1901-10-12
1902	1902-03-26	1902-12-19
1903	1903-02-15	1903-11-26
1904	1904-02-18	1904-10-19
1905	1905-01-03	1905-10-28
1906	1906-05-12	1906-11-19
1907	1907-04-06	1907-12-27
1908	1908-01-31	1908-10-16
1909	1909-05-14	1909-08-14
1910	1910-01-07	1910-09-16
1911	1911-01-28	1911-12-12
1912	1912-02-23	1912-12-05
1914	1914-01-25	1914-12-15
1915	1915-04-09	1915-12-30
1916	1916-01-06	1916-12-30
1917	1917-02-14	1917-12-12
1918	1918-06-19	1918-10-04
1919	1919-02-16	1919-12-27
1920	1920-03-07	1920-12-27
1921	1921-02-25	1921-12-23
1925	1925-01-13	1925-11-19
1926	1926-03-25	1926-10-12
1927	1927-03-22	1927-12-07
1928	1928-01-20	1928-10-03
1929	1929-01-25	1929-12-27
1930	1930-08-02	1930-12-05
1931	1931-03-13	1931-09-30
1932	1932-02-05	1932-09-21
1933	1933-01-24	1933-12-14
1934	1934-08-15	1934-11-06
1935	1935-01-03	1935-10-22
1936	1936-01-08	1936-12-17
1937	1937-01-19	1937-12-11
1938	1938-02-19	1938-10-24
1939	1939-02-25	1939-11-03
1940	1940-01-05	1940-11-09
1941	1941-01-24	1941-12-27
1942	1942-01-20	1942-12-25
1943	1943-02-17	1943-12-17
1944	1944-02-06	1944-12-21
1945	1945-06-20	1945-12-27
1946	1946-01-16	1946-12-25
1947	1947-02-05	1947-10-04
1948	1948-04-11	1948-10-31
1949	1949-02-27	1949-11-01
1950	1950-02-02	1950-11-19
1951	1951-05-13	1951-12-08
1952	1952-01-25	1952-11-27
1953	1953-06-10	1953-10-21
1954	1954-01-28	1954-12-12
1955	1955-02-09	1955-12-03
1956	1956-01-18	1956-09-26
1957	1957-06-21	1957-10-23
1958	1958-03-07	1958-10-03
1959	1959-03-31	1959-09-19
1960	1960-02-14	1960-11-12
1961	1961-04-14	1961-11-22
1962	1962-01-09	1962-12-31
1963	1963-01-14	1963-12-12
1964	1964-02-06	1964-12-22
1965	1965-05-08	1965-12-23
1966	1966-02-13	1966-12-04
1967	1967-01-24	1967-06-14
1968	1968-01-20	1968-10-25
1969	1969-04-19	1969-10-28
1970	1970-05-16	1970-12-11
1971	1971-03-15	1971-12-10
1972	1972-01-11	1972-12-27
1973	1973-02-04	1973-12-30
1974	1974-01-18	1974-10-25
1975	1975-01-25	1975-12-13
1976	1976-02-26	1976-11-03
1977	1977-04-07	1977-11-29
1978	1978-05-09	1978-11-19
1979	1979-01-17	1979-12-31
1980	1980-01-01	1980-11-07
1981	1981-05-25	1981-11-28
1982	1982-03-23	1982-12-25
1983	1983-03-03	1983-10-19
1984	1984-04-07	1984-10-03
1986	1986-02-18	1986-12-07
1987	1987-01-25	1987-11-17
1988	1988-03-28	1988-11-22
1989	1989-03-10	1989-12-02
1990	1990-03-01	1990-08-16
1991	1991-01-23	1991-11-06
1994	1994-02-28	1994-11-01
1996	1996-02-28	1996-10-01
1997	1997-01-22	1997-12-18
1998	1998-02-07	1998-12-14
1999	1999-03-21	1999-12-03
2000	2000-02-20	2000-12-22
2001	2001-06-11	2001-11-06
2003	2003-02-20	2003-12-20
2004	2004-06-02	2004-12-10
2005	2005-06-19	2005-11-07
2007	2007-01-19	2007-12-22
2008	2008-05-01	2008-12-13
2009	2009-03-04	2009-11-22
2010	2010-01-13	2010-12-08
2018	2018-01-30	2018-12-15
2019	2019-05-15	2019-09-22
2021	2021-06-08	2021-11-25
2022	2022-05-30	2022-11-19
2023	2023-01-12	2023-11-29
2026	2026-02-23	2026-08-25

Every Fixed Threshold

Fixed thresholds at Mount Bryan
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	108	25	1916	10
25 mm (0.98 in): Days with 25 mm or more rain	67	6	1974	3
50 mm (1.97 in): Days with 50 mm or more rain	12	3	1973	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Mount Bryan 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Mount Bryan Threshold Days by Year

Key Facts for Mount Bryan Thresholds

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

Every Fixed Threshold

Download the Data

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