Hermidale Tank Threshold Days by Year (ASN00051026)

5 fixed thresholds counted per year at Hermidale Tank (ASN00051026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hermidale Tank Thresholds

Hermidale Tank: days with 10 mm (0.39 in) or more of precipitation in 115 years, most in 2010 with 29.
Hermidale Tank: days with 25 mm (0.98 in) or more of precipitation in 105 years, most in 1950 with 10.
Hermidale Tank: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1936 with 3.
Hermidale Tank: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1928 with 1.
5 fixed thresholds have at least one qualifying day at Hermidale Tank.

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

115 years with a qualifying day

Days per year at Hermidale Tank with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 2010.

Days with 10 mm (0.39 in) or more of precipitation per year at Hermidale Tank
Year	Days	Decade average
1906	20	14.8
1907	13	14.8
1908	10	14.8
1909	16	14.8
1910	14	12
1911	20	12
1912	5	12
1914	7	12
1915	6	12
1916	15	12
1917	21	12
1918	11	12
1919	9	12
1920	16	12.3
1921	18	12.3
1922	5	12.3
1923	10	12.3
1924	13	12.3
1925	18	12.3
1926	15	12.3
1927	7	12.3
1928	12	12.3
1929	9	12.3
1930	16	14.2
1931	19	14.2
1932	10	14.2
1933	12	14.2
1934	16	14.2
1935	7	14.2
1936	25	14.2
1937	7	14.2
1938	8	14.2
1939	22	14.2
1940	7	10.9
1941	11	10.9
1942	14	10.9
1943	8	10.9
1944	4	10.9
1945	14	10.9
1946	7	10.9
1947	19	10.9
1948	14	10.9
1949	11	10.9
1950	28	14.6
1951	11	14.6
1952	14	14.6
1953	9	14.6
1954	11	14.6
1955	18	14.6
1956	25	14.6
1957	7	14.6
1958	12	14.6
1959	11	14.6
1960	10	13.5
1961	14	13.5
1962	16	13.5
1963	21	13.5
1964	15	13.5
1965	4	13.5
1966	16	13.5
1967	8	13.5
1968	16	13.5
1969	15	13.5
1970	15	14.9
1971	17	14.9
1972	7	14.9
1973	21	14.9
1974	20	14.9
1975	8	14.9
1976	22	14.9
1977	8	14.9
1978	18	14.9
1979	13	14.9
1980	12	13
1981	12	13
1982	5	13
1983	24	13
1985	8	13
1986	14	13
1987	12	13
1988	20	13
1989	10	13
1990	18	13.5
1991	8	13.5
1992	14	13.5
1993	15	13.5
1994	5	13.5
1995	16	13.5
1996	11	13.5
1997	12	13.5
1998	19	13.5
1999	17	13.5
2000	20	13
2001	9	13
2002	8	13
2003	14	13
2004	15	13
2005	11	13
2006	8	13
2007	15	13
2008	14	13
2009	16	13
2010	29	15
2011	18	15
2012	16	15
2013	8	15
2014	19	15
2015	17	15
2016	18	15
2017	13	15
2018	9	15
2019	3	15
2020	19	20.7
2021	23	20.7
2022	20	20.7

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

First to last qualifying date each year at Hermidale Tank
Year	First date	Last date
1906	1906-02-19	1906-12-17
1907	1907-01-08	1907-12-27
1908	1908-01-23	1908-12-12
1909	1909-01-20	1909-12-28
1910	1910-01-12	1910-12-12
1911	1911-01-22	1911-12-16
1912	1912-06-10	1912-07-14
1914	1914-02-27	1914-12-31
1915	1915-05-04	1915-12-10
1916	1916-01-29	1916-12-02
1917	1917-01-19	1917-12-25
1918	1918-01-11	1918-12-02
1919	1919-02-26	1919-12-28
1920	1920-01-20	1920-12-10
1921	1921-01-03	1921-12-27
1922	1922-01-13	1922-12-06
1923	1923-01-13	1923-12-27
1924	1924-04-08	1924-12-15
1925	1925-01-14	1925-12-30
1926	1926-01-03	1926-12-28
1927	1927-03-11	1927-12-09
1928	1928-01-20	1928-11-05
1929	1929-02-21	1929-12-28
1930	1930-01-24	1930-12-08
1931	1931-01-25	1931-12-12
1932	1932-02-07	1932-11-13
1933	1933-01-27	1933-12-02
1934	1934-01-31	1934-11-28
1935	1935-01-04	1935-10-21
1936	1936-01-05	1936-12-23
1937	1937-01-01	1937-08-17
1938	1938-01-17	1938-10-14
1939	1939-01-03	1939-11-22
1940	1940-04-12	1940-12-20
1941	1941-01-03	1941-12-20
1942	1942-02-02	1942-12-27
1943	1943-01-01	1943-11-19
1944	1944-02-07	1944-08-22
1945	1945-01-30	1945-08-21
1946	1946-01-18	1946-12-29
1947	1947-02-12	1947-12-25
1948	1948-01-02	1948-11-17
1949	1949-01-10	1949-10-24
1950	1950-01-19	1950-11-24
1951	1951-01-07	1951-12-25
1952	1952-02-25	1952-12-27
1953	1953-01-06	1953-11-05
1954	1954-01-02	1954-12-31
1955	1955-01-23	1955-11-19
1956	1956-01-20	1956-10-31
1957	1957-02-08	1957-12-30
1958	1958-01-31	1958-12-27
1959	1959-01-01	1959-07-31
1960	1960-01-10	1960-12-02
1961	1961-01-03	1961-12-18
1962	1962-01-15	1962-12-30
1963	1963-01-04	1963-12-10
1964	1964-01-14	1964-10-31
1965	1965-08-26	1965-12-15
1966	1966-05-31	1966-12-31
1967	1967-03-08	1967-12-07
1968	1968-01-05	1968-12-24
1969	1969-01-23	1969-11-14
1970	1970-02-12	1970-12-19
1971	1971-01-17	1971-12-27
1972	1972-01-13	1972-10-28
1973	1973-01-13	1973-12-31
1974	1974-01-07	1974-11-18
1975	1975-01-09	1975-12-07
1976	1976-01-06	1976-12-23
1977	1977-02-21	1977-10-06
1978	1978-01-05	1978-12-26
1979	1979-03-04	1979-11-12
1980	1980-01-03	1980-12-02
1981	1981-02-07	1981-11-10
1982	1982-01-15	1982-10-10
1983	1983-01-02	1983-12-31
1985	1985-03-20	1985-12-08
1986	1986-04-12	1986-11-12
1987	1987-01-01	1987-12-29
1988	1988-02-07	1988-12-27
1989	1989-03-15	1989-12-03
1990	1990-01-10	1990-11-16
1991	1991-01-16	1991-12-13
1992	1992-02-01	1992-12-19
1993	1993-01-26	1993-12-07
1994	1994-02-14	1994-08-21
1995	1995-01-05	1995-11-20
1996	1996-04-30	1996-12-07
1997	1997-01-16	1997-12-09
1998	1998-01-07	1998-11-12
1999	1999-01-22	1999-12-28
2000	2000-01-27	2000-12-01
2001	2001-02-28	2001-12-08
2002	2002-02-04	2002-09-17
2003	2003-01-01	2003-12-05
2004	2004-01-14	2004-12-09
2005	2005-03-17	2005-11-25
2006	2006-01-12	2006-09-10
2007	2007-01-02	2007-12-22
2008	2008-01-09	2008-12-23
2009	2009-02-14	2009-12-26
2010	2010-01-02	2010-12-05
2011	2011-02-03	2011-12-27
2012	2012-01-25	2012-11-08
2013	2013-03-01	2013-12-26
2014	2014-02-05	2014-12-26
2015	2015-01-05	2015-11-13
2016	2016-01-23	2016-12-16
2017	2017-01-30	2017-12-27
2018	2018-01-27	2018-11-28
2019	2019-01-12	2019-11-04
2020	2020-02-06	2020-12-22
2021	2021-01-01	2021-12-19
2022	2022-01-07	2022-11-01

Every Fixed Threshold

Fixed thresholds at Hermidale Tank
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	115	29	2010	20
25 mm (0.98 in): Days with 25 mm or more rain	105	10	1950	10
50 mm (1.97 in): Days with 50 mm or more rain	57	3	1936	2
100 mm (3.94 in): Days with 100 mm or more rain	8	1	1928	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1955	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

Data for Hermidale Tank 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).

Hermidale Tank Threshold Days by Year (ASN00051026)

Key Facts for Hermidale Tank Thresholds

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

Every Fixed Threshold

Download the Data

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