Cottonwood 2 E Threshold Days by Year (USC00391972)

21 fixed thresholds counted per year at Cottonwood 2 E (USC00391972): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cottonwood 2 E Thresholds

Cottonwood 2 E: days with 10 mm (0.39 in) or more of precipitation in 112 years, most in 1927 with 22.
Cottonwood 2 E: days with a maximum temperature at or above 30 C (86 F) in 111 years, most in 1936 with 116.
Cottonwood 2 E: days with a maximum temperature at or above 35 C (95 F) in 111 years, most in 1936 with 71.
Cottonwood 2 E: days with a maximum temperature at or above 90 F (32.2 C) in 111 years, most in 1936 with 94.
21 fixed thresholds have at least one qualifying day at Cottonwood 2 E.

Days at or above 30 C (86 F)

111 years with a qualifying day

Days per year at Cottonwood 2 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 116 in 1936.

Days at or above 30 C (86 F) per year at Cottonwood 2 E
Year	Days	Decade average
1910	78	67.7
1911	73	67.7
1913	87	67.7
1914	79	67.7
1915	17	67.7
1916	67	67.7
1917	64	67.7
1918	61	67.7
1919	83	67.7
1920	57	59.1
1921	68	59.1
1922	61	59.1
1923	44	59.1
1924	51	59.1
1925	83	59.1
1926	64	59.1
1927	42	59.1
1928	54	59.1
1929	67	59.1
1930	68	86.3
1931	96	86.3
1932	74	86.3
1933	87	86.3
1934	103	86.3
1935	74	86.3
1936	116	86.3
1937	84	86.3
1938	63	86.3
1939	98	86.3
1940	84	65.7
1941	68	65.7
1942	47	65.7
1943	72	65.7
1944	53	65.7
1945	62	65.7
1946	64	65.7
1947	70	65.7
1948	63	65.7
1949	74	65.7
1950	57	70.7
1951	32	70.7
1952	83	70.7
1953	70	70.7
1954	72	70.7
1955	89	70.7
1956	83	70.7
1957	56	70.7
1958	71	70.7
1959	94	70.7
1960	75	63.9
1962	47	63.9
1964	61	63.9
1965	47	63.9
1966	71	63.9
1967	68	63.9
1968	64	63.9
1969	78	63.9
1970	94	72.6
1971	74	72.6
1972	68	72.6
1974	64	72.6
1976	88	72.6
1977	63	72.6
1979	57	72.6
1980	83	68.4
1981	56	68.4
1982	51	68.4
1983	73	68.4
1984	68	68.4
1985	76	68.4
1986	49	68.4
1987	65	68.4
1988	85	68.4
1989	78	68.4
1990	71	54.9
1991	56	54.9
1992	45	54.9
1993	24	54.9
1994	61	54.9
1995	59	54.9
1996	66	54.9
1997	49	54.9
1998	60	54.9
1999	58	54.9
2000	80	75.6
2001	81	75.6
2002	77	75.6
2003	75	75.6
2004	59	75.6
2005	82	75.6
2006	90	75.6
2007	87	75.6
2008	58	75.6
2009	67	75.6
2010	76	69.7
2011	78	69.7
2012	100	69.7
2013	70	69.7
2014	61	69.7
2015	70	69.7
2016	73	69.7
2017	72	69.7
2018	64	69.7
2019	33	69.7
2020	70	69.9
2021	87	69.9
2022	71	69.9
2023	56	69.9
2024	77	69.9
2025	62	69.9
2026	66	69.9

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

First to last qualifying date each year at Cottonwood 2 E
Year	First date	Last date
1910	1910-03-22	1910-10-17
1911	1911-05-06	1911-09-22
1913	1913-04-15	1913-09-18
1914	1914-05-24	1914-10-03
1915	1915-04-14	1915-09-22
1916	1916-05-05	1916-09-30
1917	1917-05-15	1917-09-23
1918	1918-05-03	1918-09-13
1919	1919-05-25	1919-09-26
1920	1920-05-21	1920-10-07
1921	1921-05-22	1921-10-04
1922	1922-06-04	1922-10-04
1923	1923-04-18	1923-09-21
1924	1924-05-04	1924-09-24
1925	1925-05-19	1925-09-25
1926	1926-04-15	1926-10-07
1927	1927-04-27	1927-10-25
1928	1928-05-06	1928-10-10
1929	1929-05-24	1929-10-05
1930	1930-04-08	1930-09-22
1931	1931-05-14	1931-10-05
1932	1932-05-13	1932-10-16
1933	1933-05-22	1933-10-29
1934	1934-04-21	1934-10-11
1935	1935-06-23	1935-10-15
1936	1936-04-19	1936-10-08
1937	1937-05-14	1937-10-28
1938	1938-06-05	1938-10-03
1939	1939-04-22	1939-10-01
1940	1940-04-18	1940-09-22
1941	1941-05-02	1941-09-19
1942	1942-04-14	1942-10-11
1943	1943-05-27	1943-10-11
1944	1944-05-13	1944-09-29
1945	1945-06-21	1945-10-16
1946	1946-03-31	1946-10-01
1947	1947-06-08	1947-10-21
1948	1948-04-17	1948-09-27
1949	1949-05-26	1949-10-05
1950	1950-05-22	1950-10-30
1951	1951-04-29	1951-09-30
1952	1952-04-07	1952-09-30
1953	1953-06-01	1953-10-19
1954	1954-05-20	1954-10-08
1955	1955-04-30	1955-10-10
1956	1956-05-08	1956-10-16
1957	1957-05-02	1957-10-02
1958	1958-04-16	1958-10-19
1959	1959-04-30	1959-09-14
1960	1960-04-10	1960-10-08
1962	1962-04-20	1962-10-14
1964	1964-04-16	1964-09-25
1965	1965-05-20	1965-10-15
1966	1966-05-04	1966-09-13
1967	1967-05-22	1967-10-03
1968	1968-04-30	1968-10-30
1969	1969-05-14	1969-09-30
1970	1970-05-07	1970-10-06
1971	1971-04-07	1971-09-14
1972	1972-05-15	1972-10-10
1974	1974-05-19	1974-10-21
1976	1976-05-04	1976-10-10
1977	1977-04-09	1977-09-21
1979	1979-05-17	1979-10-08
1980	1980-04-21	1980-10-09
1981	1981-04-17	1981-10-03
1982	1982-05-04	1982-09-11
1983	1983-05-27	1983-09-28
1984	1984-05-16	1984-10-13
1985	1985-04-12	1985-09-19
1986	1986-05-04	1986-08-31
1987	1987-04-19	1987-10-04
1988	1988-05-01	1988-09-25
1989	1989-04-22	1989-10-01
1990	1990-04-22	1990-10-06
1991	1991-05-15	1991-10-17
1992	1992-05-01	1992-10-22
1993	1993-06-16	1993-10-07
1994	1994-04-18	1994-09-29
1995	1995-06-14	1995-10-13
1996	1996-04-11	1996-09-10
1997	1997-05-11	1997-10-12
1998	1998-05-18	1998-09-29
1999	1999-05-27	1999-09-25
2000	2000-05-05	2000-10-19
2001	2001-04-20	2001-10-18
2002	2002-05-15	2002-09-18
2003	2003-04-13	2003-10-10
2004	2004-04-15	2004-10-10
2005	2005-04-18	2005-10-03
2006	2006-04-14	2006-10-08
2007	2007-05-14	2007-10-04
2008	2008-04-16	2008-09-27
2009	2009-04-23	2009-09-27
2010	2010-05-28	2010-10-09
2011	2011-05-09	2011-10-06
2012	2012-03-17	2012-10-03
2013	2013-05-14	2013-10-01
2014	2014-05-29	2014-10-16
2015	2015-03-16	2015-10-19
2016	2016-05-06	2016-10-17
2017	2017-05-08	2017-10-20
2018	2018-05-08	2018-09-23
2019	2019-05-16	2019-09-21
2020	2020-05-01	2020-10-09
2021	2021-05-01	2021-10-06
2022	2022-05-28	2022-09-30
2023	2023-04-12	2023-10-02
2024	2024-04-14	2024-10-11
2025	2025-05-11	2025-10-04
2026	2026-04-12	2026-08-31

Every Fixed Threshold

Fixed thresholds at Cottonwood 2 E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	111	116	1936	66
35 C (95 F): Days	111	71	1936	27
40 C (104 F): Days	88	36	1936	4
45 C (113 F): Days	6	6	1936	1
90 F (32.2 C): Days	111	94	1936	48
100 F (37.8 C): Days	106	47	1936	13
110 F (43.3 C): Days	24	16	1936	2
0 C (32 F): Ice days (max	111	74	1922	17
0 C (32 F): Frost days (min	111	206	2020	106
-10 C (14 F): Days with min	111	100	1951	26
-20 C (-4 F): Days with min	111	49	1916	8
-30 C (-22 F): Days with min	84	17	1936	4
-40 C (-40 F): Days with min	3	3	1916	1
20 C (68 F): Tropical nights (min	103	30	1913	11
25 C (77 F): Days with min	13	9	1913	1
10 mm (0.39 in): Days with 10 mm or more rain	112	22	1927	10
25 mm (0.98 in): Days with 25 mm or more rain	99	8	1971	2
50 mm (1.97 in): Days with 50 mm or more rain	34	3	1967	2
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1915	1
10 cm (3.9 in): Days with 10 cm or more snowfall	93	8	1971	1
25 cm (9.8 in): Days with 25 cm or more snowfall	11	2	2013	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

Data for Cottonwood 2 E 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).

Cottonwood 2 E Threshold Days by Year (USC00391972)

Key Facts for Cottonwood 2 E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related