Castricum Threshold Days by Year (NLE00109026)

3 fixed thresholds counted per year at Castricum (NLE00109026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Castricum Thresholds

Castricum: days with 10 mm (0.39 in) or more of precipitation in 94 years, most in 2023 with 54.
Castricum: days with 25 mm (0.98 in) or more of precipitation in 86 years, most in 1998 with 9.
Castricum: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 2021 with 3.
3 fixed thresholds have at least one qualifying day at Castricum.

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

94 years with a qualifying day

Days per year at Castricum with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 2023.

Days with 10 mm (0.39 in) or more of precipitation per year at Castricum
Year	Days	Decade average
1932	23	20.3
1933	16	20.3
1934	18	20.3
1935	25	20.3
1936	25	20.3
1937	19	20.3
1938	17	20.3
1939	19	20.3
1940	25	20.7
1941	20	20.7
1942	24	20.7
1943	15	20.7
1944	27	20.7
1945	18	20.7
1946	25	20.7
1947	16	20.7
1948	12	20.7
1949	25	20.7
1950	26	21.5
1951	33	21.5
1952	24	21.5
1953	19	21.5
1954	18	21.5
1955	19	21.5
1956	18	21.5
1957	26	21.5
1958	16	21.5
1959	16	21.5
1960	28	24.3
1961	34	24.3
1962	19	24.3
1963	20	24.3
1964	20	24.3
1965	26	24.3
1966	28	24.3
1967	21	24.3
1968	30	24.3
1969	17	24.3
1970	19	20.5
1971	16	20.5
1972	12	20.5
1973	25	20.5
1974	29	20.5
1975	26	20.5
1976	13	20.5
1977	17	20.5
1978	20	20.5
1979	28	20.5
1980	16	22.4
1981	27	22.4
1982	22	22.4
1983	25	22.4
1984	25	22.4
1985	25	22.4
1986	21	22.4
1987	22	22.4
1988	21	22.4
1989	20	22.4
1990	25	28.1
1991	15	28.1
1992	36	28.1
1993	38	28.1
1994	34	28.1
1995	18	28.1
1996	24	28.1
1997	21	28.1
1998	34	28.1
1999	36	28.1
2000	33	28.6
2001	37	28.6
2002	26	28.6
2003	26	28.6
2004	24	28.6
2005	30	28.6
2006	28	28.6
2007	26	28.6
2008	36	28.6
2009	20	28.6
2010	30	30.2
2011	25	30.2
2012	29	30.2
2013	31	30.2
2014	35	30.2
2015	32	30.2
2016	24	30.2
2017	35	30.2
2018	25	30.2
2019	36	30.2
2020	32	34.5
2021	25	34.5
2022	32	34.5
2023	54	34.5
2024	37	34.5
2025	27	34.5

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

First to last qualifying date each year at Castricum
Year	First date	Last date
1932	1932-04-06	1932-10-30
1933	1933-05-07	1933-11-02
1934	1934-01-12	1934-12-18
1935	1935-03-23	1935-12-30
1936	1936-01-21	1936-12-06
1937	1937-01-01	1937-11-14
1938	1938-01-07	1938-11-30
1939	1939-01-01	1939-12-08
1940	1940-02-23	1940-12-30
1941	1941-02-09	1941-12-26
1942	1942-03-31	1942-12-13
1943	1943-01-01	1943-12-18
1944	1944-01-03	1944-12-11
1945	1945-01-03	1945-12-28
1946	1946-01-11	1946-11-17
1947	1947-03-05	1947-12-24
1948	1948-01-09	1948-12-31
1949	1949-02-09	1949-12-03
1950	1950-02-20	1950-12-10
1951	1951-01-10	1951-12-06
1952	1952-01-01	1952-12-16
1953	1953-01-31	1953-12-26
1954	1954-01-13	1954-11-07
1955	1955-01-10	1955-12-09
1956	1956-01-01	1956-12-11
1957	1957-02-11	1957-12-31
1958	1958-01-05	1958-10-31
1959	1959-01-06	1959-12-04
1960	1960-01-29	1960-12-03
1961	1961-01-02	1961-12-31
1962	1962-04-03	1962-12-18
1963	1963-03-11	1963-11-18
1964	1964-03-19	1964-12-12
1965	1965-01-16	1965-12-31
1966	1966-02-07	1966-12-29
1967	1967-02-20	1967-12-22
1968	1968-01-05	1968-12-20
1969	1969-02-11	1969-11-12
1970	1970-01-25	1970-12-02
1971	1971-01-23	1971-12-22
1972	1972-03-27	1972-11-12
1973	1973-02-12	1973-12-15
1974	1974-01-11	1974-12-16
1975	1975-01-06	1975-12-01
1976	1976-01-01	1976-12-04
1977	1977-01-27	1977-12-26
1978	1978-01-03	1978-12-29
1979	1979-01-20	1979-12-27
1980	1980-03-07	1980-12-20
1981	1981-01-14	1981-12-03
1982	1982-01-05	1982-12-21
1983	1983-01-03	1983-12-08
1984	1984-01-02	1984-12-20
1985	1985-01-01	1985-12-25
1986	1986-01-01	1986-12-30
1987	1987-01-01	1987-12-17
1988	1988-01-01	1988-12-19
1989	1989-02-17	1989-12-19
1990	1990-01-23	1990-12-26
1991	1991-01-01	1991-12-21
1992	1992-01-05	1992-12-11
1993	1993-01-05	1993-12-30
1994	1994-01-22	1994-12-27
1995	1995-01-01	1995-12-22
1996	1996-02-12	1996-12-19
1997	1997-02-12	1997-12-11
1998	1998-01-02	1998-12-15
1999	1999-01-03	1999-12-25
2000	2000-01-03	2000-12-29
2001	2001-01-05	2001-12-29
2002	2002-01-26	2002-12-29
2003	2003-01-01	2003-12-27
2004	2004-01-18	2004-12-22
2005	2005-02-11	2005-12-18
2006	2006-02-27	2006-12-08
2007	2007-01-01	2007-12-08
2008	2008-01-10	2008-12-10
2009	2009-01-04	2009-12-24
2010	2010-02-02	2010-12-17
2011	2011-01-12	2011-12-14
2012	2012-01-01	2012-12-24
2013	2013-01-29	2013-12-24
2014	2014-01-07	2014-12-11
2015	2015-01-12	2015-12-12
2016	2016-01-02	2016-12-10
2017	2017-01-09	2017-12-13
2018	2018-01-02	2018-12-23
2019	2019-02-06	2019-12-06
2020	2020-01-27	2020-12-30
2021	2021-01-11	2021-11-30
2022	2022-01-08	2022-12-31
2023	2023-01-01	2023-12-31
2024	2024-01-01	2024-12-22
2025	2025-01-01	2025-12-07

Every Fixed Threshold

Fixed thresholds at Castricum
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	94	54	2023	27
25 mm (0.98 in): Days with 25 mm or more rain	86	9	1998	2
50 mm (1.97 in): Days with 50 mm or more rain	9	3	2021	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 Castricum 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).

Castricum Threshold Days by Year (NLE00109026)

Key Facts for Castricum Thresholds

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

Every Fixed Threshold

Download the Data

Related