Olivine Threshold Days by Year

4 fixed thresholds counted per year at Olivine (SF003287260): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Olivine Thresholds

Olivine: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1943 with 32.
Olivine: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1934 with 12.
Olivine: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1935 with 3.
Olivine: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1948 with 1.
4 fixed thresholds have at least one qualifying day at Olivine.

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

64 years with a qualifying day

Days per year at Olivine with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1943.

Days with 10 mm (0.39 in) or more of precipitation per year at Olivine
Year	Days	Decade average
1932	14	17.1
1933	13	17.1
1934	25	17.1
1935	15	17.1
1936	22	17.1
1937	17	17.1
1939	14	17.1
1940	12	18.7
1941	19	18.7
1942	29	18.7
1943	32	18.7
1944	17	18.7
1945	12	18.7
1946	24	18.7
1947	19	18.7
1948	17	18.7
1949	6	18.7
1950	17	18
1951	13	18
1952	18	18
1953	20	18
1954	13	18
1955	19	18
1956	23	18
1957	24	18
1958	13	18
1959	20	18
1960	14	15.9
1961	16	15.9
1962	11	15.9
1963	22	15.9
1964	21	15.9
1965	10	15.9
1966	15	15.9
1967	24	15.9
1968	10	15.9
1969	16	15.9
1970	16	20.2
1971	19	20.2
1972	17	20.2
1973	16	20.2
1974	32	20.2
1975	21	20.2
1976	27	20.2
1977	20	20.2
1978	18	20.2
1979	16	20.2
1980	15	18.4
1981	22	18.4
1982	17	18.4
1983	15	18.4
1984	13	18.4
1985	14	18.4
1986	18	18.4
1987	20	18.4
1988	32	18.4
1989	18	18.4
1990	18	17.3
1991	20	17.3
1992	7	17.3
1993	16	17.3
1994	13	17.3
1995	24	17.3
1996	23	17.3

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

First to last qualifying date each year at Olivine
Year	First date	Last date
1932	1932-02-07	1932-12-26
1933	1933-01-10	1933-12-24
1934	1934-01-01	1934-12-06
1935	1935-01-14	1935-12-31
1936	1936-01-06	1936-12-26
1937	1937-01-16	1937-12-23
1939	1939-01-01	1939-11-04
1940	1940-01-17	1940-11-20
1941	1941-01-03	1941-12-21
1942	1942-01-02	1942-12-31
1943	1943-01-11	1943-12-23
1944	1944-01-01	1944-11-27
1945	1945-01-07	1945-12-30
1946	1946-01-07	1946-12-22
1947	1947-01-11	1947-12-25
1948	1948-01-02	1948-11-29
1949	1949-01-31	1949-12-11
1950	1950-01-09	1950-12-30
1951	1951-01-02	1951-10-21
1952	1952-01-13	1952-12-16
1953	1953-01-11	1953-12-09
1954	1954-02-08	1954-12-08
1955	1955-01-21	1955-12-19
1956	1956-01-04	1956-12-25
1957	1957-01-10	1957-12-31
1958	1958-01-12	1958-10-24
1959	1959-01-25	1959-12-21
1960	1960-02-24	1960-12-20
1961	1961-01-17	1961-12-15
1962	1962-01-19	1962-12-27
1963	1963-01-06	1963-12-30
1964	1964-01-10	1964-12-29
1965	1965-01-06	1965-12-27
1966	1966-01-07	1966-12-31
1967	1967-01-01	1967-12-20
1968	1968-03-01	1968-12-21
1969	1969-01-28	1969-12-21
1970	1970-01-16	1970-12-25
1971	1971-01-14	1971-12-18
1972	1972-01-02	1972-12-26
1973	1973-01-24	1973-12-23
1974	1974-01-05	1974-12-27
1975	1975-01-23	1975-12-25
1976	1976-01-01	1976-12-22
1977	1977-01-11	1977-12-30
1978	1978-01-02	1978-12-30
1979	1979-01-18	1979-12-15
1980	1980-01-08	1980-11-29
1981	1981-01-03	1981-12-20
1982	1982-01-02	1982-12-06
1983	1983-01-08	1983-12-31
1984	1984-01-01	1984-12-02
1985	1985-01-15	1985-12-24
1986	1986-01-18	1986-12-25
1987	1987-01-11	1987-12-06
1988	1988-01-15	1988-12-24
1989	1989-01-02	1989-12-29
1990	1990-01-09	1990-10-30
1991	1991-01-07	1991-12-19
1992	1992-08-28	1992-11-24
1993	1993-01-22	1993-12-29
1994	1994-01-18	1994-12-26
1995	1995-01-11	1995-12-21
1996	1996-01-06	1996-12-25

Every Fixed Threshold

Fixed thresholds at Olivine
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	64	32	1943	23
25 mm (0.98 in): Days with 25 mm or more rain	64	12	1934	7
50 mm (1.97 in): Days with 50 mm or more rain	30	3	1935	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

Data for Olivine 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).

Olivine Threshold Days by Year

Key Facts for Olivine Thresholds

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

Every Fixed Threshold

Download the Data

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