Holbrook (Glenfalloch) Threshold Days by Year (ASN00072019)

4 fixed thresholds counted per year at Holbrook (Glenfalloch) (ASN00072019): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Holbrook (Glenfalloch) Thresholds

Holbrook (Glenfalloch): days with 10 mm (0.39 in) or more of precipitation in 104 years, most in 1970 with 40.
Holbrook (Glenfalloch): days with 25 mm (0.98 in) or more of precipitation in 102 years, most in 1993 with 10.
Holbrook (Glenfalloch): days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1964 with 3.
Holbrook (Glenfalloch): days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1964 with 1.
4 fixed thresholds have at least one qualifying day at Holbrook (Glenfalloch).

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

104 years with a qualifying day

Days per year at Holbrook (Glenfalloch) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1970.

Days with 10 mm (0.39 in) or more of precipitation per year at Holbrook (Glenfalloch)
Year	Days	Decade average
1909	26	26
1910	20	21.1
1911	23	21.1
1912	16	21.1
1913	21	21.1
1914	11	21.1
1915	26	21.1
1916	30	21.1
1917	31	21.1
1918	15	21.1
1919	18	21.1
1920	21	19.7
1921	21	19.7
1922	18	19.7
1923	26	19.7
1924	23	19.7
1925	14	19.7
1926	23	19.7
1927	14	19.7
1928	23	19.7
1929	14	19.7
1930	23	23.6
1931	32	23.6
1932	22	23.6
1933	19	23.6
1934	23	23.6
1935	25	23.6
1936	23	23.6
1937	25	23.6
1938	9	23.6
1939	35	23.6
1940	16	19.2
1941	18	19.2
1942	27	19.2
1943	21	19.2
1944	10	19.2
1945	17	19.2
1946	21	19.2
1947	22	19.2
1948	18	19.2
1949	22	19.2
1950	27	24.7
1951	22	24.7
1952	32	24.7
1953	25	24.7
1954	24	24.7
1955	26	24.7
1956	39	24.7
1957	14	24.7
1958	22	24.7
1959	16	24.7
1960	32	20.4
1961	21	20.4
1962	16	20.4
1963	20	20.4
1964	22	20.4
1965	12	20.4
1966	26	20.4
1967	9	20.4
1968	22	20.4
1969	24	20.4
1970	40	26.4
1971	22	26.4
1972	15	26.4
1973	37	26.4
1974	34	26.4
1975	25	26.4
1976	21	26.4
1977	17	26.4
1980	21	24.4
1981	28	24.4
1982	13	24.4
1983	26	24.4
1984	31	24.4
1985	25	24.4
1986	31	24.4
1987	21	24.4
1988	22	24.4
1989	26	24.4
1990	23	26
1991	20	26
1992	36	26
1993	29	26
1994	23	26
1995	37	26
1996	32	26
1997	18	26
1998	19	26
1999	23	26
2000	22	16.7
2001	14	16.7
2002	15	16.7
2003	16	16.7
2004	20	16.7
2005	20	16.7
2006	10	16.7
2018	17	14
2019	11	14
2020	28	25.7
2021	35	25.7
2022	32	25.7
2023	22	25.7
2024	21	25.7
2025	16	25.7

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

First to last qualifying date each year at Holbrook (Glenfalloch)
Year	First date	Last date
1909	1909-01-20	1909-12-01
1910	1910-01-07	1910-12-01
1911	1911-01-13	1911-12-04
1912	1912-02-25	1912-12-26
1913	1913-01-03	1913-12-31
1914	1914-02-26	1914-12-26
1915	1915-02-20	1915-12-15
1916	1916-01-29	1916-12-09
1917	1917-01-22	1917-12-13
1918	1918-01-10	1918-12-24
1919	1919-02-18	1919-12-28
1920	1920-03-07	1920-12-17
1921	1921-01-02	1921-12-23
1922	1922-01-13	1922-12-30
1923	1923-05-10	1923-12-27
1924	1924-01-03	1924-12-15
1925	1925-01-15	1925-11-20
1926	1926-03-21	1926-12-18
1927	1927-01-06	1927-12-15
1928	1928-01-20	1928-10-21
1929	1929-02-17	1929-12-28
1930	1930-04-24	1930-12-25
1931	1931-01-02	1931-11-17
1932	1932-02-06	1932-11-14
1933	1933-01-25	1933-12-21
1934	1934-01-06	1934-12-01
1935	1935-01-06	1935-12-26
1936	1936-01-06	1936-12-19
1937	1937-01-19	1937-12-29
1938	1938-01-03	1938-08-28
1939	1939-02-27	1939-11-21
1940	1940-02-17	1940-12-29
1941	1941-01-03	1941-11-11
1942	1942-02-14	1942-11-22
1943	1943-01-04	1943-11-20
1944	1944-03-05	1944-12-13
1945	1945-02-18	1945-11-17
1946	1946-01-19	1946-11-24
1947	1947-03-02	1947-12-25
1948	1948-01-12	1948-12-30
1949	1949-01-26	1949-12-20
1950	1950-01-19	1950-12-22
1951	1951-01-07	1951-11-27
1952	1952-03-20	1952-12-11
1953	1953-01-06	1953-12-08
1954	1954-01-03	1954-12-12
1955	1955-01-30	1955-12-04
1956	1956-01-03	1956-11-19
1957	1957-02-08	1957-12-29
1958	1958-02-20	1958-11-30
1959	1959-02-15	1959-11-04
1960	1960-01-05	1960-12-03
1961	1961-01-02	1961-12-18
1962	1962-01-18	1962-11-21
1963	1963-01-03	1963-12-12
1964	1964-01-08	1964-12-22
1965	1965-05-31	1965-11-24
1966	1966-01-30	1966-12-24
1967	1967-01-30	1967-10-04
1968	1968-01-21	1968-12-26
1969	1969-01-15	1969-12-03
1970	1970-01-02	1970-12-29
1971	1971-01-15	1971-12-31
1972	1972-01-05	1972-11-25
1973	1973-01-13	1973-12-31
1974	1974-01-04	1974-10-24
1975	1975-01-25	1975-12-30
1976	1976-01-07	1976-11-03
1977	1977-02-06	1977-11-29
1980	1980-01-02	1980-12-17
1981	1981-01-27	1981-11-20
1982	1982-01-26	1982-12-09
1983	1983-02-13	1983-12-11
1984	1984-01-01	1984-10-04
1985	1985-01-03	1985-12-11
1986	1986-01-18	1986-12-08
1987	1987-01-03	1987-12-02
1988	1988-01-02	1988-12-26
1989	1989-01-04	1989-12-14
1990	1990-02-10	1990-10-21
1991	1991-01-06	1991-12-19
1992	1992-01-06	1992-12-26
1993	1993-01-17	1993-12-27
1994	1994-01-31	1994-12-26
1995	1995-01-12	1995-12-07
1996	1996-01-01	1996-12-26
1997	1997-01-06	1997-12-14
1998	1998-02-08	1998-12-14
1999	1999-01-09	1999-12-29
2000	2000-01-27	2000-11-30
2001	2001-02-06	2001-12-24
2002	2002-02-04	2002-12-06
2003	2003-02-22	2003-12-22
2004	2004-01-17	2004-12-14
2005	2005-01-21	2005-12-03
2006	2006-03-16	2006-11-14
2018	2018-01-09	2018-12-14
2019	2019-03-23	2019-11-04
2020	2020-01-20	2020-12-22
2021	2021-01-01	2021-12-20
2022	2022-01-10	2022-12-24
2023	2023-01-16	2023-12-11
2024	2024-01-08	2024-12-07
2025	2025-02-10	2025-12-22

Every Fixed Threshold

Fixed thresholds at Holbrook (Glenfalloch)
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	104	40	1970	16
25 mm (0.98 in): Days with 25 mm or more rain	102	10	1993	3
50 mm (1.97 in): Days with 50 mm or more rain	37	3	1964	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1964	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

Data for Holbrook (Glenfalloch) 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).

Holbrook (Glenfalloch) Threshold Days by Year (ASN00072019)

Key Facts for Holbrook (Glenfalloch) Thresholds

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

Every Fixed Threshold

Download the Data

Related