Jam Vale Threshold Days by Year

4 fixed thresholds counted per year at Jam Vale (ASN00010572): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jam Vale Thresholds

Jam Vale: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1939 with 23.
Jam Vale: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1955 with 6.
Jam Vale: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1949 with 2.
Jam Vale: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1939 with 1.
4 fixed thresholds have at least one qualifying day at Jam Vale.

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

82 years with a qualifying day

Days per year at Jam Vale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1939.

Days with 10 mm (0.39 in) or more of precipitation per year at Jam Vale
Year	Days	Decade average
1922	6	9
1923	8	9
1924	14	9
1925	10	9
1926	10	9
1927	10	9
1928	6	9
1929	8	9
1930	12	11.5
1931	13	11.5
1932	15	11.5
1933	6	11.5
1934	13	11.5
1935	9	11.5
1936	9	11.5
1937	11	11.5
1938	4	11.5
1939	23	11.5
1940	6	8.9
1941	8	8.9
1942	13	8.9
1943	6	8.9
1944	6	8.9
1945	13	8.9
1946	10	8.9
1947	9	8.9
1948	7	8.9
1949	11	8.9
1950	9	10.6
1951	16	10.6
1952	6	10.6
1953	8	10.6
1954	5	10.6
1955	15	10.6
1956	5	10.6
1957	13	10.6
1958	13	10.6
1959	16	10.6
1960	16	12.5
1961	14	12.5
1962	7	12.5
1963	15	12.5
1964	13	12.5
1965	14	12.5
1966	13	12.5
1967	12	12.5
1968	16	12.5
1969	5	12.5
1970	11	10.4
1971	10	10.4
1972	5	10.4
1973	9	10.4
1974	8	10.4
1975	10	10.4
1976	16	10.4
1977	9	10.4
1978	15	10.4
1979	11	10.4
1980	10	10.3
1981	6	10.3
1982	9	10.3
1983	17	10.3
1984	9	10.3
1985	15	10.3
1986	8	10.3
1987	5	10.3
1988	13	10.3
1989	11	10.3
1990	10	10.5
1991	12	10.5
1992	13	10.5
1993	14	10.5
1994	10	10.5
1995	10	10.5
1996	7	10.5
1997	10	10.5
1998	11	10.5
1999	8	10.5
2000	7	8.8
2001	12	8.8
2002	4	8.8
2003	12	8.8

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

First to last qualifying date each year at Jam Vale
Year	First date	Last date
1922	1922-03-02	1922-09-18
1923	1923-03-26	1923-06-23
1924	1924-05-25	1924-11-17
1925	1925-03-02	1925-10-23
1926	1926-03-11	1926-12-15
1927	1927-01-10	1927-12-13
1928	1928-01-09	1928-09-28
1929	1929-05-16	1929-11-06
1930	1930-03-06	1930-12-13
1931	1931-03-06	1931-11-12
1932	1932-01-29	1932-10-29
1933	1933-01-16	1933-12-02
1934	1934-01-17	1934-11-06
1935	1935-02-02	1935-10-24
1936	1936-05-22	1936-12-19
1937	1937-03-03	1937-11-25
1938	1938-03-16	1938-08-13
1939	1939-01-19	1939-11-12
1940	1940-06-13	1940-12-03
1941	1941-01-10	1941-12-13
1942	1942-03-14	1942-12-02
1943	1943-01-31	1943-09-21
1944	1944-05-18	1944-09-29
1945	1945-03-26	1945-08-22
1946	1946-01-19	1946-11-13
1947	1947-04-07	1947-11-27
1948	1948-06-05	1948-12-24
1949	1949-03-27	1949-11-08
1950	1950-05-06	1950-11-05
1951	1951-01-02	1951-12-06
1952	1952-05-27	1952-12-18
1953	1953-05-07	1953-11-03
1954	1954-05-23	1954-10-29
1955	1955-02-06	1955-10-28
1956	1956-03-05	1956-11-30
1957	1957-01-21	1957-10-27
1958	1958-02-14	1958-12-22
1959	1959-02-09	1959-12-30
1960	1960-01-01	1960-12-17
1961	1961-01-26	1961-12-16
1962	1962-05-13	1962-12-27
1963	1963-03-12	1963-10-31
1964	1964-01-30	1964-10-21
1965	1965-04-13	1965-12-20
1966	1966-02-13	1966-12-27
1967	1967-02-03	1967-10-05
1968	1968-01-27	1968-12-01
1969	1969-05-18	1969-11-04
1970	1970-02-07	1970-11-03
1971	1971-01-31	1971-11-23
1972	1972-03-02	1972-10-07
1973	1973-01-08	1973-10-25
1974	1974-04-04	1974-11-19
1975	1975-04-02	1975-11-17
1976	1976-01-07	1976-11-07
1977	1977-02-22	1977-10-31
1978	1978-02-15	1978-12-23
1979	1979-01-13	1979-11-13
1980	1980-02-11	1980-12-31
1981	1981-04-19	1981-09-08
1982	1982-01-15	1982-11-28
1983	1983-02-27	1983-12-31
1984	1984-04-30	1984-10-02
1985	1985-01-18	1985-11-24
1986	1986-02-22	1986-09-11
1987	1987-03-26	1987-11-12
1988	1988-03-24	1988-08-30
1989	1989-02-27	1989-11-12
1990	1990-01-29	1990-11-16
1991	1991-02-26	1991-12-26
1992	1992-02-10	1992-12-09
1993	1993-03-18	1993-11-10
1994	1994-05-12	1994-11-28
1995	1995-02-25	1995-12-25
1996	1996-06-16	1996-12-12
1997	1997-02-19	1997-09-13
1998	1998-03-11	1998-11-18
1999	1999-02-01	1999-12-13
2000	2000-01-15	2000-04-12
2001	2001-02-24	2001-12-06
2002	2002-03-23	2002-09-15
2003	2003-03-23	2003-11-25

Every Fixed Threshold

Fixed thresholds at Jam Vale
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	23	1939	12
25 mm (0.98 in): Days with 25 mm or more rain	61	6	1955	1
50 mm (1.97 in): Days with 50 mm or more rain	16	2	1949	1
100 mm (3.94 in): Days with 100 mm or more rain	3	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 1922.

Download the Data

Data for Jam Vale 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).

Jam Vale Threshold Days by Year

Key Facts for Jam Vale Thresholds

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

Every Fixed Threshold

Download the Data

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