Ijsselmonde Threshold Days by Year (NLE00101969)

3 fixed thresholds counted per year at Ijsselmonde (NLE00101969): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ijsselmonde Thresholds

Ijsselmonde: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 2007 with 39.
Ijsselmonde: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1998 with 9.
Ijsselmonde: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1942 with 1.
3 fixed thresholds have at least one qualifying day at Ijsselmonde.

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

77 years with a qualifying day

Days per year at Ijsselmonde with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 2007.

Days with 10 mm (0.39 in) or more of precipitation per year at Ijsselmonde
Year	Days	Decade average
1932	22	18.6
1933	18	18.6
1934	13	18.6
1935	24	18.6
1936	16	18.6
1937	17	18.6
1938	15	18.6
1939	24	18.6
1940	23	17.7
1941	21	17.7
1942	20	17.7
1943	17	17.7
1944	22	17.7
1945	18	17.7
1946	22	17.7
1947	11	17.7
1948	13	17.7
1949	10	17.7
1950	20	18.2
1951	22	18.2
1952	20	18.2
1953	13	18.2
1954	18	18.2
1955	17	18.2
1956	16	18.2
1957	24	18.2
1958	20	18.2
1959	12	18.2
1960	26	25.3
1961	27	25.3
1962	17	25.3
1963	23	25.3
1964	26	25.3
1965	32	25.3
1966	35	25.3
1967	25	25.3
1968	22	25.3
1969	20	25.3
1970	24	19
1971	11	19
1972	13	19
1973	22	19
1974	27	19
1975	19	19
1976	13	19
1977	22	19
1978	18	19
1979	21	19
1980	24	26.3
1981	32	26.3
1982	17	26.3
1983	23	26.3
1984	28	26.3
1985	21	26.3
1986	31	26.3
1987	34	26.3
1988	34	26.3
1989	19	26.3
1990	27	25.5
1991	22	25.5
1992	27	25.5
1993	26	25.5
1994	31	25.5
1995	21	25.5
1996	25	25.5
1997	20	25.5
1998	27	25.5
1999	29	25.5
2000	26	29.9
2001	37	29.9
2002	36	29.9
2003	21	29.9
2004	24	29.9
2005	31	29.9
2006	29	29.9
2007	39	29.9
2008	26	29.9

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

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

Every Fixed Threshold

Fixed thresholds at Ijsselmonde
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	77	39	2007	26
25 mm (0.98 in): Days with 25 mm or more rain	72	9	1998	6
50 mm (1.97 in): Days with 50 mm or more rain	8	1	1942	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.

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Data for Ijsselmonde 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).

Ijsselmonde Threshold Days by Year (NLE00101969)

Key Facts for Ijsselmonde Thresholds

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

Every Fixed Threshold

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