Glenwood Spgs #2 Threshold Days by Year (USC00053359)

15 fixed thresholds counted per year at Glenwood Spgs #2 (USC00053359): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Glenwood Spgs #2 Thresholds

Glenwood Spgs #2: nights with a minimum temperature at or below 0 C (32 F) in 92 years, most in 1916 with 227.
Glenwood Spgs #2: nights with a minimum temperature at or below -10 C (14 F) in 92 years, most in 1966 with 105.
Glenwood Spgs #2: days with a maximum temperature at or above 30 C (86 F) in 90 years, most in 1942 with 93.
Glenwood Spgs #2: days with a maximum temperature at or below 0 C (32 F) in 90 years, most in 2008 with 44.
15 fixed thresholds have at least one qualifying day at Glenwood Spgs #2.

Days at or above 30 C (86 F)

90 years with a qualifying day

Days per year at Glenwood Spgs #2 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 93 in 1942.

Days at or above 30 C (86 F) per year at Glenwood Spgs #2
Year	Days	Decade average
1904	33	37.7
1905	42	37.7
1908	38	37.7
1910	67	36.8
1911	44	36.8
1912	10	36.8
1913	38	36.8
1915	44	36.8
1916	18	36.8
1920	62	56.1
1921	64	56.1
1922	75	56.1
1923	58	56.1
1926	52	56.1
1927	34	56.1
1928	48	56.1
1929	56	56.1
1930	58	65.6
1931	72	65.6
1932	61	65.6
1933	76	65.6
1935	63	65.6
1936	68	65.6
1937	73	65.6
1938	55	65.6
1939	64	65.6
1940	69	74.9
1941	45	74.9
1942	93	74.9
1943	77	74.9
1944	85	74.9
1945	74	74.9
1946	88	74.9
1947	72	74.9
1948	73	74.9
1949	73	74.9
1951	54	65.2
1952	62	65.2
1953	59	65.2
1954	64	65.2
1955	73	65.2
1956	75	65.2
1957	45	65.2
1958	87	65.2
1959	68	65.2
1960	77	56.7
1961	68	56.7
1962	56	56.7
1963	51	56.7
1964	54	56.7
1965	36	56.7
1966	61	56.7
1968	43	56.7
1969	64	56.7
1970	60	58.9
1971	70	58.9
1972	50	58.9
1975	46	58.9
1976	56	58.9
1977	70	58.9
1978	60	58.9
1980	59	56.6
1981	55	56.6
1982	55	56.6
1983	58	56.6
1985	56	56.6
1990	67	62.5
1991	55	62.5
1992	43	62.5
1994	85	62.5
1995	49	62.5
1996	76	62.5
2004	46	58.5
2005	58	58.5
2006	59	58.5
2007	72	58.5
2008	62	58.5
2009	54	58.5
2010	65	63.9
2011	59	63.9
2012	58	63.9
2013	72	63.9
2014	50	63.9
2015	59	63.9
2016	57	63.9
2017	76	63.9
2018	83	63.9
2019	60	63.9
2020	78	82.5
2021	87	82.5

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

First to last qualifying date each year at Glenwood Spgs #2
Year	First date	Last date
1904	1904-07-04	1904-08-20
1905	1905-06-03	1905-09-22
1908	1908-06-21	1908-10-11
1910	1910-06-06	1910-10-08
1911	1911-06-12	1911-09-05
1912	1912-07-11	1912-08-27
1913	1913-05-31	1913-08-31
1915	1915-06-16	1915-09-01
1916	1916-06-30	1916-07-28
1920	1920-06-07	1920-09-20
1921	1921-05-30	1921-09-27
1922	1922-06-05	1922-09-24
1923	1923-05-25	1923-09-11
1926	1926-06-04	1926-09-20
1927	1927-05-16	1927-09-02
1928	1928-05-25	1928-09-16
1929	1929-06-21	1929-09-01
1930	1930-05-29	1930-09-02
1931	1931-06-02	1931-09-18
1932	1932-05-21	1932-09-16
1933	1933-05-30	1933-09-29
1935	1935-06-10	1935-09-19
1936	1936-05-29	1936-09-21
1937	1937-05-16	1937-09-19
1938	1938-05-28	1938-09-29
1939	1939-05-29	1939-09-19
1940	1940-05-31	1940-09-08
1941	1941-05-11	1941-09-01
1942	1942-05-22	1942-10-09
1943	1943-05-02	1943-10-04
1944	1944-06-10	1944-10-07
1945	1945-05-26	1945-10-10
1946	1946-04-25	1946-09-30
1947	1947-05-02	1947-10-05
1948	1948-05-16	1948-09-15
1949	1949-06-13	1949-09-26
1951	1951-05-27	1951-09-07
1952	1952-06-05	1952-09-06
1953	1953-06-09	1953-09-20
1954	1954-05-19	1954-09-02
1955	1955-06-07	1955-09-08
1956	1956-05-31	1956-09-20
1957	1957-06-03	1957-09-30
1958	1958-05-21	1958-09-12
1959	1959-06-05	1959-09-11
1960	1960-05-12	1960-09-05
1961	1961-06-08	1961-08-28
1962	1962-06-10	1962-09-17
1963	1963-06-13	1963-09-27
1964	1964-05-16	1964-08-26
1965	1965-05-22	1965-08-27
1966	1966-06-19	1966-09-23
1968	1968-06-02	1968-08-24
1969	1969-04-20	1969-08-29
1970	1970-06-20	1970-09-03
1971	1971-06-16	1971-09-13
1972	1972-06-01	1972-08-28
1975	1975-06-24	1975-09-08
1976	1976-06-02	1976-09-05
1977	1977-05-31	1977-09-08
1978	1978-06-09	1978-09-09
1980	1980-06-09	1980-08-22
1981	1981-06-07	1981-09-05
1982	1982-06-12	1982-09-04
1983	1983-06-18	1983-09-18
1985	1985-06-07	1985-09-14
1990	1990-06-05	1990-09-16
1991	1991-06-10	1991-09-06
1992	1992-06-19	1992-10-03
1994	1994-05-30	1994-09-28
1995	1995-06-13	1995-09-17
1996	1996-05-12	1996-09-10
2004	2004-06-03	2004-09-18
2005	2005-05-20	2005-09-08
2006	2006-06-02	2006-09-04
2007	2007-06-15	2007-09-05
2008	2008-06-16	2008-08-31
2009	2009-05-19	2009-09-12
2010	2010-05-28	2010-10-02
2011	2011-06-06	2011-09-30
2012	2012-05-22	2012-09-11
2013	2013-05-17	2013-09-09
2014	2014-05-29	2014-09-21
2015	2015-06-18	2015-09-29
2016	2016-06-05	2016-09-20
2017	2017-06-06	2017-09-14
2018	2018-05-26	2018-09-19
2019	2019-06-27	2019-09-08
2020	2020-05-19	2020-09-07
2021	2021-05-30	2021-09-18

Every Fixed Threshold

Fixed thresholds at Glenwood Spgs #2
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	90	93	1942	87
35 C (95 F): Days	81	28	2021	28
90 F (32.2 C): Days	89	66	2021	66
100 F (37.8 C): Days	16	2	1922	2
0 C (32 F): Ice days (max	90	44	2008	11
0 C (32 F): Frost days (min	92	227	1916	135
-10 C (14 F): Days with min	92	105	1966	27
-20 C (-4 F): Days with min	78	28	1908	1
-30 C (-22 F): Days with min	10	2	1913	2
20 C (68 F): Tropical nights (min	3	1	1939	1
10 mm (0.39 in): Days with 10 mm or more rain	85	23	1995	7
25 mm (0.98 in): Days with 25 mm or more rain	48	4	1978	1
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1943	1
10 cm (3.9 in): Days with 10 cm or more snowfall	75	14	1936	3
25 cm (9.8 in): Days with 25 cm or more snowfall	18	3	1969	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Glenwood Spgs #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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Glenwood Spgs #2 Threshold Days by Year (USC00053359)

Key Facts for Glenwood Spgs #2 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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