Montrose #2 Threshold Days by Year (USC00055722)

15 fixed thresholds counted per year at Montrose #2 (USC00055722): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Montrose #2 Thresholds

Montrose #2: days with a maximum temperature at or above 30 C (86 F) in 122 years, most in 2018 with 102.
Montrose #2: days with a maximum temperature at or above 90 F (32.2 C) in 122 years, most in 2018 with 78.
Montrose #2: nights with a minimum temperature at or below 0 C (32 F) in 122 years, most in 1908 with 201.
Montrose #2: nights with a minimum temperature at or below -10 C (14 F) in 122 years, most in 1960 with 77.
15 fixed thresholds have at least one qualifying day at Montrose #2.

Days at or above 30 C (86 F)

122 years with a qualifying day

Days per year at Montrose #2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 102 in 2018.

Days at or above 30 C (86 F) per year at Montrose #2
Year	Days	Decade average
1896	82	82
1904	16	25.6
1905	11	25.6
1906	25	25.6
1908	45	25.6
1909	31	25.6
1910	14	52.1
1911	42	52.1
1912	47	52.1
1913	49	52.1
1914	50	52.1
1915	66	52.1
1916	51	52.1
1917	69	52.1
1918	59	52.1
1919	74	52.1
1920	59	54.6
1921	52	54.6
1922	74	54.6
1923	59	54.6
1924	60	54.6
1925	53	54.6
1926	55	54.6
1927	37	54.6
1928	50	54.6
1929	47	54.6
1930	60	71
1931	83	71
1932	60	71
1933	84	71
1934	93	71
1935	83	71
1936	75	71
1937	48	71
1938	49	71
1939	75	71
1940	75	72.2
1941	69	72.2
1942	80	72.2
1943	68	72.2
1944	76	72.2
1945	69	72.2
1946	79	72.2
1947	59	72.2
1948	79	72.2
1949	68	72.2
1950	53	71.8
1951	75	71.8
1952	66	71.8
1953	65	71.8
1954	66	71.8
1955	73	71.8
1956	93	71.8
1957	59	71.8
1958	87	71.8
1959	81	71.8
1960	81	51.5
1961	61	51.5
1962	57	51.5
1963	50	51.5
1964	49	51.5
1965	34	51.5
1966	51	51.5
1967	48	51.5
1968	34	51.5
1969	50	51.5
1970	49	60.5
1971	54	60.5
1972	54	60.5
1973	52	60.5
1974	67	60.5
1975	54	60.5
1976	57	60.5
1977	74	60.5
1978	77	60.5
1979	67	60.5
1980	65	59.2
1981	57	59.2
1982	47	59.2
1983	56	59.2
1984	65	59.2
1985	68	59.2
1986	50	59.2
1987	54	59.2
1988	80	59.2
1989	50	59.2
1990	57	48.2
1991	41	48.2
1992	31	48.2
1993	39	48.2
1994	70	48.2
1995	47	48.2
1996	69	48.2
1997	43	48.2
1998	46	48.2
1999	39	48.2
2000	66	65.7
2001	61	65.7
2002	80	65.7
2003	65	65.7
2004	62	65.7
2005	54	65.7
2006	71	65.7
2007	80	65.7
2008	64	65.7
2009	54	65.7
2010	70	76.7
2011	70	76.7
2012	81	76.7
2013	74	76.7
2014	60	76.7
2015	71	76.7
2016	72	76.7
2017	88	76.7
2018	102	76.7
2019	79	76.7
2020	98	85.2
2021	85	85.2
2022	79	85.2
2023	81	85.2
2024	74	85.2
2026	94	85.2

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

First to last qualifying date each year at Montrose #2
Year	First date	Last date
1896	1896-05-03	1896-09-17
1904	1904-06-11	1904-08-12
1905	1905-07-11	1905-08-28
1906	1906-07-12	1906-09-12
1908	1908-06-09	1908-09-17
1909	1909-06-18	1909-08-26
1910	1910-06-11	1910-08-24
1911	1911-06-06	1911-09-12
1912	1912-05-29	1912-08-27
1913	1913-05-12	1913-08-31
1914	1914-06-11	1914-09-19
1915	1915-05-13	1915-09-23
1916	1916-05-09	1916-09-07
1917	1917-06-09	1917-09-10
1918	1918-06-04	1918-09-13
1919	1919-05-26	1919-09-11
1920	1920-05-20	1920-09-19
1921	1921-05-28	1921-09-14
1922	1922-05-27	1922-09-23
1923	1923-06-11	1923-09-11
1924	1924-06-11	1924-09-05
1925	1925-05-18	1925-08-22
1926	1926-05-22	1926-09-19
1927	1927-05-16	1927-08-24
1928	1928-05-30	1928-09-07
1929	1929-06-08	1929-08-31
1930	1930-05-26	1930-09-20
1931	1931-05-24	1931-09-11
1932	1932-05-21	1932-09-08
1933	1933-05-30	1933-09-29
1934	1934-05-07	1934-09-16
1935	1935-06-05	1935-09-19
1936	1936-05-04	1936-08-28
1937	1937-05-17	1937-09-18
1938	1938-05-27	1938-08-28
1939	1939-05-29	1939-09-03
1940	1940-05-30	1940-09-09
1941	1941-05-12	1941-09-11
1942	1942-05-25	1942-09-28
1943	1943-04-30	1943-09-15
1944	1944-05-23	1944-09-22
1945	1945-05-26	1945-09-09
1946	1946-06-03	1946-09-14
1947	1947-05-03	1947-10-05
1948	1948-05-14	1948-09-16
1949	1949-06-16	1949-09-25
1950	1950-06-02	1950-09-06
1951	1951-05-27	1951-09-21
1952	1952-06-06	1952-09-10
1953	1953-06-10	1953-09-16
1954	1954-05-15	1954-09-23
1955	1955-06-08	1955-09-18
1956	1956-05-19	1956-09-27
1957	1957-06-03	1957-09-30
1958	1958-05-20	1958-09-22
1959	1959-05-13	1959-09-15
1960	1960-05-13	1960-09-13
1961	1961-06-09	1961-08-29
1962	1962-06-12	1962-09-20
1963	1963-06-14	1963-09-28
1964	1964-05-21	1964-09-05
1965	1965-06-22	1965-08-29
1966	1966-06-16	1966-09-23
1967	1967-05-24	1967-09-06
1968	1968-05-30	1968-09-12
1969	1969-05-27	1969-08-29
1970	1970-06-19	1970-09-01
1971	1971-06-16	1971-09-14
1972	1972-05-17	1972-08-24
1973	1973-06-09	1973-09-08
1974	1974-05-28	1974-09-11
1975	1975-06-03	1975-09-04
1976	1976-06-05	1976-09-06
1977	1977-06-01	1977-09-10
1978	1978-06-10	1978-09-10
1979	1979-06-13	1979-09-12
1980	1980-06-10	1980-09-19
1981	1981-06-07	1981-08-28
1982	1982-06-13	1982-09-05
1983	1983-05-29	1983-09-18
1984	1984-05-12	1984-09-11
1985	1985-06-07	1985-09-02
1986	1986-06-07	1986-09-07
1987	1987-06-05	1987-09-02
1988	1988-05-16	1988-09-10
1989	1989-05-08	1989-09-08
1990	1990-06-05	1990-09-16
1991	1991-06-18	1991-09-01
1992	1992-06-20	1992-09-12
1993	1993-06-15	1993-09-04
1994	1994-05-31	1994-09-11
1995	1995-06-13	1995-09-06
1996	1996-05-14	1996-09-05
1997	1997-06-01	1997-09-03
1998	1998-06-03	1998-09-08
1999	1999-06-08	1999-08-25
2000	2000-05-24	2000-09-19
2001	2001-05-27	2001-09-13
2002	2002-05-29	2002-09-06
2003	2003-05-24	2003-09-03
2004	2004-06-03	2004-09-18
2005	2005-05-21	2005-08-31
2006	2006-05-19	2006-09-01
2007	2007-06-11	2007-09-16
2008	2008-05-21	2008-08-31
2009	2009-06-23	2009-09-29
2010	2010-05-28	2010-10-01
2011	2011-06-05	2011-09-06
2012	2012-05-22	2012-09-07
2013	2013-05-24	2013-09-08
2014	2014-05-28	2014-09-26
2015	2015-06-01	2015-10-02
2016	2016-06-03	2016-09-23
2017	2017-05-06	2017-09-16
2018	2018-05-11	2018-09-19
2019	2019-06-06	2019-09-19
2020	2020-05-01	2020-09-25
2021	2021-06-03	2021-09-17
2022	2022-06-04	2022-09-19
2023	2023-06-18	2023-09-30
2024	2024-05-29	2024-09-29
2026	2026-03-22	2026-09-14

Every Fixed Threshold

Fixed thresholds at Montrose #2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	122	102	2018	94
35 C (95 F): Days	105	35	2020	47
40 C (104 F): Days	1	1	1947	1
90 F (32.2 C): Days	122	78	2018	74
100 F (37.8 C): Days	21	6	1931	9
0 C (32 F): Ice days (max	121	52	1991	2
0 C (32 F): Frost days (min	122	201	1908	65
-10 C (14 F): Days with min	122	77	1960	19
-20 C (-4 F): Days with min	78	14	1919	2
-30 C (-22 F): Days with min	4	1	1905	1
20 C (68 F): Tropical nights (min	21	10	1896	5
10 mm (0.39 in): Days with 10 mm or more rain	117	14	1906	3
25 mm (0.98 in): Days with 25 mm or more rain	30	2	1938	1
10 cm (3.9 in): Days with 10 cm or more snowfall	76	7	1906	1
25 cm (9.8 in): Days with 25 cm or more snowfall	13	1	1909	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Montrose #2 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Montrose #2 Threshold Days by Year (USC00055722)

Key Facts for Montrose #2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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