Cottage Grove 2E Threshold Days by Year (USC00351897)

17 fixed thresholds counted per year at Cottage Grove 2E (USC00351897): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cottage Grove 2E Thresholds

Cottage Grove 2E: days with a maximum temperature at or above 30 C (86 F) in 103 years, most in 1967 with 57.
Cottage Grove 2E: nights with a minimum temperature at or below 0 C (32 F) in 103 years, most in 1985 with 133.
Cottage Grove 2E: days with a maximum temperature at or above 90 F (32.2 C) in 102 years, most in 1967 with 30.
Cottage Grove 2E: days with 10 mm (0.39 in) or more of precipitation in 100 years, most in 1950 with 58.
17 fixed thresholds have at least one qualifying day at Cottage Grove 2E.

Days at or above 30 C (86 F)

103 years with a qualifying day

Days per year at Cottage Grove 2E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1967.

Days at or above 30 C (86 F) per year at Cottage Grove 2E
Year	Days	Decade average
1918	27	23
1919	19	23
1920	25	24.5
1921	10	24.5
1922	33	24.5
1923	21	24.5
1924	25	24.5
1925	18	24.5
1926	36	24.5
1927	24	24.5
1928	23	24.5
1929	30	24.5
1930	19	25.9
1931	36	25.9
1932	26	25.9
1933	27	25.9
1934	22	25.9
1935	33	25.9
1936	14	25.9
1937	9	25.9
1938	41	25.9
1939	32	25.9
1940	29	23.1
1941	18	23.1
1942	31	23.1
1943	21	23.1
1944	27	23.1
1945	36	23.1
1946	23	23.1
1947	10	23.1
1948	14	23.1
1949	22	23.1
1950	36	24.7
1951	35	24.7
1952	34	24.7
1953	19	24.7
1954	2	24.7
1955	15	24.7
1956	23	24.7
1957	15	24.7
1958	43	24.7
1959	25	24.7
1960	24	26.8
1961	36	26.8
1962	25	26.8
1963	15	26.8
1966	26	26.8
1967	57	26.8
1968	19	26.8
1969	12	26.8
1970	34	27.3
1971	24	27.3
1972	37	27.3
1973	30	27.3
1974	36	27.3
1975	25	27.3
1976	17	27.3
1977	25	27.3
1978	25	27.3
1979	20	27.3
1980	17	27.1
1981	26	27.1
1982	22	27.1
1983	10	27.1
1984	23	27.1
1985	37	27.1
1986	38	27.1
1987	39	27.1
1988	40	27.1
1989	19	27.1
1990	25	34.7
1991	47	34.7
1992	48	34.7
1993	15	34.7
1994	35	34.7
1995	39	34.7
1999	34	34.7
2000	32	36.3
2001	29	36.3
2002	41	36.3
2003	44	36.3
2004	46	36.3
2005	32	36.3
2006	38	36.3
2007	34	36.3
2008	30	36.3
2009	37	36.3
2010	20	27.7
2011	21	27.7
2012	17	27.7
2013	30	27.7
2014	41	27.7
2015	34	27.7
2016	26	27.7
2017	35	27.7
2018	32	27.7
2019	21	27.7
2020	30	33.8
2021	49	33.8
2022	38	33.8
2023	41	33.8
2024	37	33.8
2026	8	33.8

For each year, a bar from the first to the last day at Cottage Grove 2E meeting 30 C (86 F).

First to last qualifying date each year at Cottage Grove 2E
Year	First date	Last date
1918	1918-06-04	1918-09-27
1919	1919-07-08	1919-08-24
1920	1920-06-03	1920-09-01
1921	1921-07-07	1921-08-20
1922	1922-05-28	1922-09-13
1923	1923-06-28	1923-09-08
1924	1924-05-31	1924-09-12
1925	1925-06-24	1925-09-03
1926	1926-04-27	1926-09-04
1927	1927-06-20	1927-08-18
1928	1928-07-10	1928-09-22
1929	1929-06-24	1929-09-16
1930	1930-06-15	1930-09-03
1931	1931-05-10	1931-09-04
1932	1932-06-10	1932-10-05
1933	1933-07-11	1933-08-26
1934	1934-06-10	1934-10-10
1935	1935-06-05	1935-09-29
1936	1936-07-19	1936-09-27
1937	1937-06-02	1937-09-16
1938	1938-05-25	1938-09-17
1939	1939-05-14	1939-09-22
1940	1940-06-10	1940-10-19
1941	1941-05-23	1941-08-19
1942	1942-06-29	1942-09-24
1943	1943-06-29	1943-09-24
1944	1944-06-29	1944-09-11
1945	1945-06-17	1945-09-14
1946	1946-06-19	1946-08-27
1947	1947-05-01	1947-09-24
1948	1948-06-06	1948-09-12
1949	1949-05-12	1949-09-26
1950	1950-06-02	1950-09-22
1951	1951-06-21	1951-09-19
1952	1952-06-04	1952-10-06
1953	1953-07-06	1953-09-05
1954	1954-07-23	1954-08-01
1955	1955-06-08	1955-09-06
1956	1956-05-16	1956-09-25
1957	1957-07-05	1957-09-23
1958	1958-05-16	1958-09-07
1959	1959-06-19	1959-09-02
1960	1960-06-23	1960-09-10
1961	1961-06-15	1961-09-12
1962	1962-06-24	1962-09-17
1963	1963-05-20	1963-09-27
1966	1966-06-13	1966-10-04
1967	1967-06-15	1967-09-28
1968	1968-07-01	1968-09-05
1969	1969-06-03	1969-09-11
1970	1970-05-31	1970-09-27
1971	1971-05-11	1971-09-22
1972	1972-05-28	1972-09-15
1973	1973-05-13	1973-09-12
1974	1974-06-12	1974-09-25
1975	1975-05-13	1975-10-01
1976	1976-05-11	1976-09-10
1977	1977-07-16	1977-09-13
1978	1978-05-20	1978-08-10
1979	1979-06-01	1979-10-03
1980	1980-07-20	1980-10-05
1981	1981-07-02	1981-09-16
1982	1982-06-10	1982-09-23
1983	1983-05-24	1983-08-14
1984	1984-06-25	1984-10-07
1985	1985-06-17	1985-09-26
1986	1986-05-25	1986-09-07
1987	1987-05-06	1987-10-06
1988	1988-05-11	1988-10-02
1989	1989-06-04	1989-09-28
1990	1990-06-20	1990-09-22
1991	1991-07-02	1991-10-16
1992	1992-05-06	1992-10-22
1993	1993-08-01	1993-10-01
1994	1994-07-07	1994-09-27
1995	1995-05-29	1995-09-23
1999	1999-04-16	1999-09-23
2000	2000-05-22	2000-09-13
2001	2001-05-23	2001-10-02
2002	2002-05-13	2002-09-14
2003	2003-06-05	2003-09-28
2004	2004-04-12	2004-09-11
2005	2005-05-27	2005-08-29
2006	2006-05-16	2006-09-07
2007	2007-05-31	2007-09-12
2008	2008-05-17	2008-09-16
2009	2009-05-29	2009-09-23
2010	2010-07-07	2010-09-03
2011	2011-07-24	2011-09-24
2012	2012-07-08	2012-09-17
2013	2013-05-05	2013-09-11
2014	2014-05-01	2014-09-21
2015	2015-06-07	2015-09-12
2016	2016-06-05	2016-09-27
2017	2017-05-23	2017-09-29
2018	2018-06-20	2018-09-29
2019	2019-05-10	2019-09-06
2020	2020-05-29	2020-10-03
2021	2021-06-02	2021-09-25
2022	2022-06-26	2022-09-27
2023	2023-04-29	2023-09-17
2024	2024-05-11	2024-09-25
2026	2026-06-03	2026-06-25

Every Fixed Threshold

Fixed thresholds at Cottage Grove 2E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	103	57	1967	8
35 C (95 F): Days	89	14	1988	1
40 C (104 F): Days	11	2	1981	1
90 F (32.2 C): Days	102	30	1967	2
100 F (37.8 C): Days	39	4	1977	3
0 C (32 F): Ice days (max	52	14	1930	4
0 C (32 F): Frost days (min	103	133	1985	22
-10 C (14 F): Days with min	41	11	1924	3
-20 C (-4 F): Days with min	2	1	1919	1
20 C (68 F): Tropical nights (min	2	3	1983	3
25 C (77 F): Days with min	1	1	1927	1
10 mm (0.39 in): Days with 10 mm or more rain	100	58	1950	3
25 mm (0.98 in): Days with 25 mm or more rain	99	16	2012	6
50 mm (1.97 in): Days with 50 mm or more rain	53	4	1950	1
100 mm (3.94 in): Days with 100 mm or more rain	3	2	1961	2
10 cm (3.9 in): Days with 10 cm or more snowfall	22	5	1950	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

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Data for Cottage Grove 2E 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Cottage Grove 2E Threshold Days by Year (USC00351897)

Key Facts for Cottage Grove 2E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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