Valentia Observatory Threshold Days by Year (EI000003953)

6 fixed thresholds counted per year at Valentia Observatory (EI000003953): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Valentia Observatory Thresholds

Valentia Observatory: days with 10 mm (0.39 in) or more of precipitation in 78 years, most in 1960 with 67.
Valentia Observatory: days with 25 mm (0.98 in) or more of precipitation in 78 years, most in 1980 with 13.
Valentia Observatory: nights with a minimum temperature at or below 0 C (32 F) in 74 years, most in 1955 with 32.
Valentia Observatory: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1957 with 2.
6 fixed thresholds have at least one qualifying day at Valentia Observatory.

Nights at or below 0 C (32 F)

74 years with a qualifying day

Days per year at Valentia Observatory with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 32 in 1955.

Nights at or below 0 C (32 F) per year at Valentia Observatory
Year	Days	Decade average
1933	20	18.5
1939	17	18.5
1940	24	14.8
1941	20	14.8
1942	23	14.8
1943	9	14.8
1944	17	14.8
1945	7	14.8
1946	15	14.8
1947	25	14.8
1948	3	14.8
1949	5	14.8
1950	13	15.8
1951	10	15.8
1952	11	15.8
1953	18	15.8
1954	17	15.8
1955	32	15.8
1956	20	15.8
1957	16	15.8
1958	10	15.8
1959	11	15.8
1960	21	18.8
1961	8	18.8
1962	20	18.8
1963	32	18.8
1964	11	18.8
1965	24	18.8
1966	11	18.8
1967	10	18.8
1968	25	18.8
1969	26	18.8
1970	22	14.8
1971	20	14.8
1972	11	14.8
1973	15	14.8
1974	7	14.8
1975	12	14.8
1976	17	14.8
1977	13	14.8
1978	13	14.8
1979	18	14.8
1980	15	14.5
1981	13	14.5
1982	13	14.5
1983	10	14.5
1984	16	14.5
1985	20	14.5
1986	18	14.5
1987	23	14.5
1988	6	14.5
1989	11	14.5
1990	7	9.4
1991	11	9.4
1992	8	9.4
1993	3	9.4
1994	5	9.4
1995	8	9.4
1996	25	9.4
1997	13	9.4
1998	7	9.4
1999	7	9.4
2000	15	8.8
2001	16	8.8
2002	4	8.8
2003	10	8.8
2004	8	8.8
2005	7	8.8
2006	6	8.8
2007	1	8.8
2008	8	8.8
2009	13	8.8
2025	8	5
2026	2	5

For each year, a bar from the first to the last day at Valentia Observatory meeting 0 C (32 F).

First to last qualifying date each year at Valentia Observatory
Year	First date	Last date
1933	1933-01-12	1933-12-29
1939	1939-01-05	1939-12-27
1940	1940-01-12	1940-12-28
1941	1941-01-01	1941-11-30
1942	1942-01-12	1942-11-24
1943	1943-03-07	1943-12-16
1944	1944-02-11	1944-12-29
1945	1945-01-21	1945-01-29
1946	1946-01-20	1946-12-25
1947	1947-01-27	1947-12-10
1948	1948-02-21	1948-12-21
1949	1949-01-24	1949-03-10
1950	1950-01-21	1950-12-29
1951	1951-02-03	1951-04-17
1952	1952-01-19	1952-12-30
1953	1953-01-02	1953-11-29
1954	1954-01-01	1954-11-23
1955	1955-01-12	1955-12-22
1956	1956-01-09	1956-11-24
1957	1957-01-11	1957-12-16
1958	1958-01-20	1958-12-18
1959	1959-01-08	1959-02-03
1960	1960-01-06	1960-12-07
1961	1961-01-11	1961-12-31
1962	1962-01-01	1962-12-30
1963	1963-01-12	1963-12-22
1964	1964-01-12	1964-12-29
1965	1965-01-03	1965-12-28
1966	1966-01-15	1966-11-23
1967	1967-01-04	1967-11-19
1968	1968-01-11	1968-12-31
1969	1969-01-01	1969-12-27
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-09
1972	1972-01-04	1972-12-30
1973	1973-01-17	1973-12-25
1974	1974-01-29	1974-11-19
1975	1975-02-21	1975-12-19
1976	1976-01-26	1976-12-29
1977	1977-01-02	1977-12-01
1978	1978-01-13	1978-12-31
1979	1979-01-01	1979-04-04
1980	1980-01-16	1980-12-08
1981	1981-02-11	1981-12-31
1982	1982-01-10	1982-12-31
1983	1983-02-12	1983-10-29
1984	1984-01-19	1984-12-27
1985	1985-01-06	1985-12-30
1986	1986-02-06	1986-12-23
1987	1987-01-07	1987-11-30
1988	1988-03-10	1988-11-24
1989	1989-03-17	1989-12-20
1990	1990-03-02	1990-12-08
1991	1991-01-31	1991-11-21
1992	1992-01-10	1992-12-21
1993	1993-03-01	1993-03-25
1994	1994-01-06	1994-02-17
1995	1995-01-12	1995-12-27
1996	1996-01-26	1996-12-31
1997	1997-01-01	1997-12-05
1998	1998-01-24	1998-04-13
1999	1999-01-10	1999-04-16
2000	2000-01-15	2000-12-31
2001	2001-01-05	2001-12-24
2002	2002-02-14	2002-12-13
2003	2003-01-04	2003-12-30
2004	2004-01-26	2004-02-29
2005	2005-01-24	2005-12-13
2006	2006-01-27	2006-12-19
2007	2007-01-26	2007-01-26
2008	2008-01-04	2008-03-27
2009	2009-02-02	2009-12-25
2025	2025-01-03	2025-12-27
2026	2026-01-04	2026-02-14

Every Fixed Threshold

Fixed thresholds at Valentia Observatory
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
0 C (32 F): Ice days (max	2	1	1987	1
0 C (32 F): Frost days (min	74	32	1955	2
10 mm (0.39 in): Days with 10 mm or more rain	78	67	1960	18
25 mm (0.98 in): Days with 25 mm or more rain	78	13	1980	4
50 mm (1.97 in): Days with 50 mm or more rain	23	2	1957	3
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1980	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

Data for Valentia Observatory 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Valentia Observatory Threshold Days by Year (EI000003953)

Key Facts for Valentia Observatory Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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