Moanalua 770 Threshold Days by Year (USC00516395)

5 fixed thresholds counted per year at Moanalua 770 (USC00516395): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Moanalua 770 Thresholds

Moanalua 770: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1927 with 40.
Moanalua 770: days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 1927 with 19.
Moanalua 770: days with 50 mm (1.97 in) or more of precipitation in 67 years, most in 1927 with 9.
Moanalua 770: days with 100 mm (3.94 in) or more of precipitation in 20 years, most in 1927 with 2.
5 fixed thresholds have at least one qualifying day at Moanalua 770.

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

82 years with a qualifying day

Days per year at Moanalua 770 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1927.

Days with 10 mm (0.39 in) or more of precipitation per year at Moanalua 770
Year	Days	Decade average
1906	21	21
1907	21	21
1912	11	20.5
1913	13	20.5
1914	19	20.5
1915	16	20.5
1916	34	20.5
1917	30	20.5
1918	31	20.5
1919	10	20.5
1922	26	23.4
1923	22	23.4
1924	20	23.4
1925	19	23.4
1926	16	23.4
1927	40	23.4
1928	19	23.4
1929	25	23.4
1931	12	24.7
1932	24	24.7
1934	27	24.7
1935	25	24.7
1936	32	24.7
1938	24	24.7
1939	29	24.7
1940	14	16.4
1941	6	16.4
1942	24	16.4
1944	15	16.4
1945	14	16.4
1946	14	16.4
1947	16	16.4
1948	32	16.4
1949	13	16.4
1950	26	20
1951	33	20
1952	11	20
1953	15	20
1955	19	20
1956	21	20
1957	15	20
1984	16	19.8
1985	24	19.8
1986	23	19.8
1987	19	19.8
1988	15	19.8
1989	22	19.8
1990	26	17.8
1991	25	17.8
1992	17	17.8
1993	14	17.8
1994	13	17.8
1995	10	17.8
1996	25	17.8
1997	22	17.8
1998	6	17.8
1999	20	17.8
2000	7	17.9
2001	14	17.9
2002	15	17.9
2003	19	17.9
2004	29	17.9
2005	21	17.9
2006	24	17.9
2007	20	17.9
2008	16	17.9
2009	14	17.9
2010	16	20.1
2011	26	20.1
2012	12	20.1
2013	24	20.1
2014	25	20.1
2015	25	20.1
2016	11	20.1
2017	16	20.1
2018	22	20.1
2019	24	20.1
2020	19	16.4
2021	14	16.4
2022	11	16.4
2023	19	16.4
2026	19	16.4

For each year, a bar from the first to the last day at Moanalua 770 meeting 10 mm (0.39 in).

First to last qualifying date each year at Moanalua 770
Year	First date	Last date
1906	1906-01-02	1906-12-28
1907	1907-01-01	1907-12-23
1912	1912-02-10	1912-12-20
1913	1913-01-16	1913-11-02
1914	1914-01-06	1914-12-28
1915	1915-04-25	1915-12-28
1916	1916-01-04	1916-12-28
1917	1917-01-10	1917-12-29
1918	1918-01-07	1918-12-29
1919	1919-01-22	1919-12-04
1922	1922-01-16	1922-12-06
1923	1923-02-01	1923-12-31
1924	1924-02-17	1924-12-22
1925	1925-01-14	1925-12-23
1926	1926-03-23	1926-12-24
1927	1927-01-03	1927-12-28
1928	1928-01-16	1928-11-29
1929	1929-01-18	1929-12-23
1931	1931-03-02	1931-12-15
1932	1932-01-30	1932-12-29
1934	1934-01-23	1934-12-26
1935	1935-01-07	1935-12-26
1936	1936-01-17	1936-12-31
1938	1938-01-09	1938-12-28
1939	1939-01-17	1939-11-28
1940	1940-01-08	1940-11-21
1941	1941-06-25	1941-10-24
1942	1942-02-05	1942-12-29
1944	1944-02-17	1944-12-28
1945	1945-02-06	1945-12-07
1946	1946-01-26	1946-12-22
1947	1947-01-17	1947-12-18
1948	1948-01-20	1948-12-30
1949	1949-01-08	1949-12-18
1950	1950-01-06	1950-12-26
1951	1951-01-01	1951-12-31
1952	1952-01-20	1952-11-21
1953	1953-01-01	1953-12-31
1955	1955-01-21	1955-12-21
1956	1956-01-12	1956-12-07
1957	1957-01-15	1957-12-07
1984	1984-02-02	1984-12-25
1985	1985-01-10	1985-11-30
1986	1986-02-04	1986-12-06
1987	1987-01-26	1987-12-31
1988	1988-01-18	1988-12-28
1989	1989-01-10	1989-12-10
1990	1990-01-15	1990-12-25
1991	1991-01-27	1991-12-26
1992	1992-02-14	1992-12-31
1993	1993-01-07	1993-10-31
1994	1994-01-25	1994-12-10
1995	1995-02-06	1995-12-31
1996	1996-01-06	1996-12-27
1997	1997-01-04	1997-11-25
1998	1998-04-03	1998-12-31
1999	1999-01-01	1999-12-27
2000	2000-01-20	2000-11-03
2001	2001-02-13	2001-12-14
2002	2002-01-18	2002-11-27
2003	2003-01-20	2003-12-31
2004	2004-01-02	2004-12-28
2005	2005-01-02	2005-12-05
2006	2006-01-23	2006-11-27
2007	2007-01-30	2007-12-31
2008	2008-01-29	2008-12-31
2009	2009-01-01	2009-12-04
2010	2010-01-30	2010-12-28
2011	2011-01-12	2011-12-21
2012	2012-02-07	2012-12-18
2013	2013-01-03	2013-12-16
2014	2014-01-03	2014-12-31
2015	2015-01-03	2015-12-27
2016	2016-04-18	2016-12-02
2017	2017-02-07	2017-12-27
2018	2018-02-05	2018-12-11
2019	2019-01-30	2019-12-26
2020	2020-01-04	2020-12-27
2021	2021-01-18	2021-12-31
2022	2022-01-01	2022-12-16
2023	2023-01-30	2023-12-14
2026	2026-01-05	2026-08-17

Every Fixed Threshold

Fixed thresholds at Moanalua 770
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	82	40	1927	19
25 mm (0.98 in): Days with 25 mm or more rain	82	19	1927	9
50 mm (1.97 in): Days with 50 mm or more rain	67	9	1927	4
100 mm (3.94 in): Days with 100 mm or more rain	20	2	1927	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1939	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 Moanalua 770 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Moanalua 770 Threshold Days by Year (USC00516395)

Key Facts for Moanalua 770 Thresholds

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

Every Fixed Threshold

Download the Data

Related