Kelvin (Kahana) Threshold Days by Year

4 fixed thresholds counted per year at Kelvin (Kahana) (ASN00055201): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kelvin (Kahana) Thresholds

Kelvin (Kahana): days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 1978 with 35.
Kelvin (Kahana): days with 25 mm (0.98 in) or more of precipitation in 88 years, most in 1950 with 16.
Kelvin (Kahana): days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 1950 with 4.
Kelvin (Kahana): days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1908 with 1.
4 fixed thresholds have at least one qualifying day at Kelvin (Kahana).

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

89 years with a qualifying day

Days per year at Kelvin (Kahana) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1978.

Days with 10 mm (0.39 in) or more of precipitation per year at Kelvin (Kahana)
Year	Days	Decade average
1903	28	24.2
1904	16	24.2
1905	26	24.2
1906	25	24.2
1908	24	24.2
1909	26	24.2
1910	27	19.6
1911	20	19.6
1912	16	19.6
1913	18	19.6
1914	18	19.6
1915	14	19.6
1916	26	19.6
1917	24	19.6
1918	13	19.6
1937	16	13
1938	15	13
1939	8	13
1940	16	19.6
1941	21	19.6
1942	23	19.6
1943	15	19.6
1944	13	19.6
1945	24	19.6
1946	8	19.6
1947	20	19.6
1948	23	19.6
1949	33	19.6
1950	34	22.5
1951	15	22.5
1952	26	22.5
1953	23	22.5
1954	19	22.5
1955	33	22.5
1956	24	22.5
1957	14	22.5
1958	20	22.5
1959	17	22.5
1960	13	20.3
1961	19	20.3
1962	25	20.3
1963	30	20.3
1964	17	20.3
1965	10	20.3
1966	19	20.3
1967	13	20.3
1968	28	20.3
1969	29	20.3
1970	23	23.6
1971	29	23.6
1972	20	23.6
1973	29	23.6
1974	17	23.6
1975	19	23.6
1976	23	23.6
1977	25	23.6
1978	35	23.6
1979	16	23.6
1980	14	23
1981	24	23
1982	12	23
1983	28	23
1984	34	23
1985	19	23
1986	19	23
1987	24	23
1988	27	23
1989	29	23
1990	28	21.7
1991	22	21.7
1992	23	21.7
1993	28	21.7
1994	8	21.7
1995	19	21.7
1996	26	21.7
1997	20	21.7
1998	25	21.7
1999	18	21.7
2000	23	18
2001	18	18
2002	12	18
2003	18	18
2004	19	18
2013	18	15.6
2014	20	15.6
2015	23	15.6
2018	12	15.6
2019	5	15.6
2020	29	29

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

First to last qualifying date each year at Kelvin (Kahana)
Year	First date	Last date
1903	1903-01-21	1903-12-21
1904	1904-02-24	1904-12-16
1905	1905-01-04	1905-12-28
1906	1906-01-11	1906-11-28
1908	1908-01-10	1908-12-11
1909	1909-01-20	1909-12-23
1910	1910-01-10	1910-12-17
1911	1911-01-01	1911-12-02
1912	1912-01-05	1912-12-29
1913	1913-02-09	1913-12-19
1914	1914-02-28	1914-12-30
1915	1915-01-01	1915-12-16
1916	1916-01-29	1916-12-14
1917	1917-01-13	1917-12-28
1918	1918-01-02	1918-11-27
1937	1937-01-01	1937-12-24
1938	1938-01-31	1938-12-31
1939	1939-01-22	1939-10-23
1940	1940-01-01	1940-12-31
1941	1941-01-03	1941-11-08
1942	1942-02-01	1942-12-27
1943	1943-01-13	1943-12-17
1944	1944-01-26	1944-11-25
1945	1945-01-12	1945-11-29
1946	1946-01-05	1946-12-05
1947	1947-02-11	1947-12-15
1948	1948-01-01	1948-12-30
1949	1949-01-08	1949-12-31
1950	1950-01-17	1950-11-24
1951	1951-01-15	1951-11-26
1952	1952-01-05	1952-12-30
1953	1953-01-03	1953-11-24
1954	1954-01-02	1954-11-08
1955	1955-01-20	1955-12-22
1956	1956-01-19	1956-12-04
1957	1957-02-10	1957-12-31
1958	1958-01-19	1958-12-28
1959	1959-01-26	1959-12-18
1960	1960-01-04	1960-12-01
1961	1961-01-02	1961-12-19
1962	1962-01-04	1962-12-30
1963	1963-01-03	1963-12-11
1964	1964-01-12	1964-12-27
1965	1965-03-12	1965-12-15
1966	1966-03-16	1966-12-31
1967	1967-01-04	1967-10-12
1968	1968-01-03	1968-12-05
1969	1969-01-02	1969-12-24
1970	1970-01-10	1970-12-29
1971	1971-01-10	1971-12-15
1972	1972-01-12	1972-12-08
1973	1973-01-04	1973-12-28
1974	1974-01-06	1974-11-28
1975	1975-01-04	1975-12-30
1976	1976-01-13	1976-12-23
1977	1977-01-11	1977-12-19
1978	1978-01-03	1978-12-28
1979	1979-01-18	1979-11-24
1980	1980-01-03	1980-12-07
1981	1981-02-05	1981-12-25
1982	1982-01-18	1982-12-31
1983	1983-01-02	1983-12-22
1984	1984-01-01	1984-12-12
1985	1985-01-29	1985-12-31
1986	1986-01-05	1986-12-16
1987	1987-01-01	1987-12-29
1988	1988-01-02	1988-12-27
1989	1989-01-01	1989-12-27
1990	1990-01-08	1990-12-31
1991	1991-01-06	1991-12-31
1992	1992-01-01	1992-12-17
1993	1993-01-18	1993-12-23
1994	1994-02-13	1994-12-25
1995	1995-01-20	1995-12-31
1996	1996-01-02	1996-12-30
1997	1997-01-26	1997-12-19
1998	1998-01-04	1998-12-15
1999	1999-02-01	1999-12-11
2000	2000-02-12	2000-11-30
2001	2001-01-31	2001-12-08
2002	2002-02-03	2002-12-23
2003	2003-01-02	2003-12-05
2004	2004-01-11	2004-12-11
2013	2013-01-15	2013-12-11
2014	2014-02-17	2014-12-26
2015	2015-01-02	2015-12-23
2018	2018-02-02	2018-11-22
2019	2019-03-11	2019-11-04
2020	2020-01-17	2020-12-30

Every Fixed Threshold

Fixed thresholds at Kelvin (Kahana)
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	89	35	1978	29
25 mm (0.98 in): Days with 25 mm or more rain	88	16	1950	9
50 mm (1.97 in): Days with 50 mm or more rain	53	4	1950	2
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1908	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

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Data for Kelvin (Kahana) 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).

Kelvin (Kahana) Threshold Days by Year

Key Facts for Kelvin (Kahana) Thresholds

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

Every Fixed Threshold

Download the Data

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