Rainbow (Pella) Threshold Days by Year

4 fixed thresholds counted per year at Rainbow (Pella) (ASN00077036): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rainbow (Pella) Thresholds

Rainbow (Pella): days with 10 mm (0.39 in) or more of precipitation in 114 years, most in 2022 with 25.
Rainbow (Pella): days with 25 mm (0.98 in) or more of precipitation in 88 years, most in 1973 with 6.
Rainbow (Pella): days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1970 with 2.
Rainbow (Pella): days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1910 with 1.
4 fixed thresholds have at least one qualifying day at Rainbow (Pella).

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

114 years with a qualifying day

Days per year at Rainbow (Pella) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 2022.

Days with 10 mm (0.39 in) or more of precipitation per year at Rainbow (Pella)
Year	Days	Decade average
1902	4	8.5
1903	11	8.5
1904	8	8.5
1905	6	8.5
1906	8	8.5
1907	9	8.5
1908	11	8.5
1909	11	8.5
1910	14	9.9
1911	12	9.9
1912	11	9.9
1913	7	9.9
1914	5	9.9
1915	8	9.9
1916	10	9.9
1917	15	9.9
1918	9	9.9
1919	8	9.9
1920	8	7
1921	11	7
1922	5	7
1923	10	7
1924	9	7
1925	5	7
1926	9	7
1927	1	7
1928	10	7
1929	2	7
1930	14	8.5
1931	5	8.5
1932	8	8.5
1933	11	8.5
1934	8	8.5
1935	6	8.5
1936	10	8.5
1937	8	8.5
1938	6	8.5
1939	9	8.5
1940	5	8.1
1941	11	8.1
1942	9	8.1
1943	5	8.1
1944	6	8.1
1945	6	8.1
1946	8	8.1
1947	12	8.1
1948	12	8.1
1949	7	8.1
1950	13	12.1
1951	10	12.1
1952	11	12.1
1953	12	12.1
1954	14	12.1
1955	14	12.1
1956	17	12.1
1957	7	12.1
1958	15	12.1
1959	8	12.1
1960	20	11
1961	12	11
1962	3	11
1963	10	11
1964	16	11
1965	12	11
1966	12	11
1967	5	11
1968	7	11
1969	13	11
1970	11	11.1
1971	9	11.1
1972	5	11.1
1973	15	11.1
1974	18	11.1
1976	6	11.1
1977	6	11.1
1978	17	11.1
1979	13	11.1
1980	10	10.4
1981	14	10.4
1982	1	10.4
1983	15	10.4
1984	8	10.4
1985	9	10.4
1986	15	10.4
1987	11	10.4
1988	11	10.4
1989	10	10.4
1990	5	9
1991	11	9
1992	15	9
1993	11	9
1994	4	9
1995	10	9
1997	7	9
1998	9	9
2001	6	5.2
2002	2	5.2
2003	7	5.2
2004	8	5.2
2005	6	5.2
2006	2	5.2
2013	9	9.3
2014	8	9.3
2015	8	9.3
2016	12	9.3
2017	12	9.3
2018	7	9.3
2019	9	9.3
2020	4	8.7
2021	6	8.7
2022	25	8.7
2023	8	8.7
2024	6	8.7
2025	3	8.7

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

First to last qualifying date each year at Rainbow (Pella)
Year	First date	Last date
1902	1902-03-26	1902-12-17
1903	1903-03-09	1903-12-29
1904	1904-01-03	1904-10-19
1905	1905-01-03	1905-06-29
1906	1906-03-01	1906-11-22
1907	1907-02-05	1907-12-27
1908	1908-02-29	1908-10-16
1909	1909-01-04	1909-11-19
1910	1910-03-06	1910-12-23
1911	1911-02-04	1911-12-05
1912	1912-06-10	1912-12-03
1913	1913-02-14	1913-12-22
1914	1914-02-27	1914-12-23
1915	1915-02-20	1915-09-20
1916	1916-01-06	1916-12-02
1917	1917-01-22	1917-11-22
1918	1918-01-12	1918-10-07
1919	1919-02-02	1919-12-28
1920	1920-01-21	1920-12-17
1921	1921-01-02	1921-11-05
1922	1922-05-02	1922-12-09
1923	1923-01-06	1923-12-14
1924	1924-02-17	1924-11-11
1925	1925-04-06	1925-06-25
1926	1926-04-03	1926-09-28
1927	1927-09-01	1927-09-01
1928	1928-01-04	1928-10-01
1929	1929-04-04	1929-12-28
1930	1930-05-12	1930-12-25
1931	1931-04-14	1931-11-15
1932	1932-02-05	1932-12-15
1933	1933-01-20	1933-12-05
1934	1934-02-18	1934-11-08
1935	1935-08-09	1935-12-02
1936	1936-01-02	1936-10-02
1937	1937-02-21	1937-12-11
1938	1938-01-14	1938-12-25
1939	1939-01-17	1939-11-16
1940	1940-01-06	1940-12-20
1941	1941-01-25	1941-10-26
1942	1942-01-19	1942-11-22
1943	1943-01-22	1943-11-03
1944	1944-05-03	1944-12-21
1945	1945-02-18	1945-12-27
1946	1946-01-18	1946-12-26
1947	1947-02-06	1947-12-23
1948	1948-04-11	1948-12-27
1949	1949-02-21	1949-11-10
1950	1950-02-02	1950-12-20
1951	1951-01-04	1951-12-10
1952	1952-01-25	1952-11-26
1953	1953-01-31	1953-12-07
1954	1954-01-30	1954-12-12
1955	1955-02-04	1955-12-03
1956	1956-01-18	1956-12-03
1957	1957-02-07	1957-10-23
1958	1958-02-18	1958-11-29
1959	1959-02-14	1959-11-29
1960	1960-01-05	1960-11-21
1961	1961-02-09	1961-12-14
1962	1962-09-15	1962-12-29
1963	1963-01-02	1963-10-27
1964	1964-04-08	1964-11-19
1965	1965-04-09	1965-12-07
1966	1966-01-13	1966-12-13
1967	1967-02-24	1967-12-18
1968	1968-01-20	1968-12-24
1969	1969-02-01	1969-12-01
1970	1970-01-03	1970-12-11
1971	1971-03-01	1971-11-29
1972	1972-02-16	1972-09-07
1973	1973-02-05	1973-12-30
1974	1974-01-14	1974-10-25
1976	1976-01-12	1976-11-02
1977	1977-01-15	1977-12-26
1978	1978-03-21	1978-12-04
1979	1979-01-13	1979-11-20
1980	1980-03-08	1980-10-06
1981	1981-01-17	1981-11-10
1982	1982-03-23	1982-03-23
1983	1983-03-02	1983-12-31
1984	1984-01-02	1984-11-02
1985	1985-04-04	1985-12-07
1986	1986-04-17	1986-12-17
1987	1987-01-25	1987-12-01
1988	1988-01-01	1988-11-23
1989	1989-02-07	1989-09-12
1990	1990-02-27	1990-08-29
1991	1991-01-05	1991-11-04
1992	1992-01-10	1992-12-21
1993	1993-01-27	1993-12-12
1994	1994-02-11	1994-09-04
1995	1995-02-05	1995-10-23
1997	1997-01-22	1997-10-31
1998	1998-01-13	1998-12-26
2001	2001-01-05	2001-11-18
2002	2002-05-19	2002-11-26
2003	2003-02-20	2003-12-22
2004	2004-06-10	2004-12-10
2005	2005-01-27	2005-10-20
2006	2006-04-29	2006-09-06
2013	2013-02-14	2013-10-22
2014	2014-02-13	2014-11-15
2015	2015-01-09	2015-11-04
2016	2016-01-22	2016-10-14
2017	2017-01-09	2017-12-01
2018	2018-05-29	2018-12-15
2019	2019-02-06	2019-11-02
2020	2020-03-06	2020-10-29
2021	2021-01-02	2021-11-12
2022	2022-01-28	2022-11-19
2023	2023-04-07	2023-12-25
2024	2024-01-17	2024-11-26
2025	2025-10-22	2025-12-17

Every Fixed Threshold

Fixed thresholds at Rainbow (Pella)
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	114	25	2022	3
25 mm (0.98 in): Days with 25 mm or more rain	88	6	1973	2
50 mm (1.97 in): Days with 50 mm or more rain	18	2	1970	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1910	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Rainbow (Pella) 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).

Rainbow (Pella) Threshold Days by Year

Key Facts for Rainbow (Pella) Thresholds

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

Every Fixed Threshold

Download the Data

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