Glenwood 3SW Threshold Days by Year (USC00133290)

20 fixed thresholds counted per year at Glenwood 3SW (USC00133290): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Glenwood 3SW Thresholds

Glenwood 3SW: days with a maximum temperature at or above 30 C (86 F) in 96 years, most in 1894 with 111.
Glenwood 3SW: days with a maximum temperature at or above 90 F (32.2 C) in 96 years, most in 1934 with 89.
Glenwood 3SW: days with a maximum temperature at or below 0 C (32 F) in 96 years, most in 1978 with 66.
Glenwood 3SW: nights with a minimum temperature at or below 0 C (32 F) in 94 years, most in 1988 with 161.
20 fixed thresholds have at least one qualifying day at Glenwood 3SW.

Days at or above 30 C (86 F)

96 years with a qualifying day

Days per year at Glenwood 3SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 111 in 1894.

Days at or above 30 C (86 F) per year at Glenwood 3SW
Year	Days	Decade average
1894	111	81.3
1895	103	81.3
1896	61	81.3
1897	82	81.3
1898	67	81.3
1899	64	81.3
1900	73	52.5
1901	83	52.5
1904	20	52.5
1905	34	52.5
1918	82	79.5
1919	77	79.5
1920	60	65.2
1921	93	65.2
1922	74	65.2
1923	54	65.2
1924	36	65.2
1925	73	65.2
1926	72	65.2
1927	73	65.2
1928	58	65.2
1929	59	65.2
1930	75	87.7
1931	84	87.7
1932	67	87.7
1933	89	87.7
1934	110	87.7
1935	72	87.7
1936	107	87.7
1937	81	87.7
1938	91	87.7
1939	101	87.7
1940	69	64.8
1941	76	64.8
1942	66	64.8
1943	74	64.8
1945	44	64.8
1946	55	64.8
1947	73	64.8
1948	70	64.8
1949	56	64.8
1950	36	68.4
1951	35	68.4
1953	84	68.4
1954	75	68.4
1955	92	68.4
1956	94	68.4
1959	63	68.4
1960	55	53.4
1961	55	53.4
1962	55	53.4
1963	72	53.4
1964	59	53.4
1965	35	53.4
1966	47	53.4
1967	36	53.4
1968	65	53.4
1969	55	53.4
1970	81	70.6
1971	66	70.6
1972	68	70.6
1973	64	70.6
1974	59	70.6
1975	80	70.6
1976	83	70.6
1977	71	70.6
1978	73	70.6
1979	61	70.6
1980	89	64.3
1981	57	64.3
1982	45	64.3
1983	89	64.3
1984	59	64.3
1985	54	64.3
1986	51	64.3
1987	59	64.3
1988	86	64.3
1989	54	64.3
1990	54	54.5
1991	68	54.5
1992	24	54.5
1993	41	54.5
1994	52	54.5
1995	68	54.5
1996	45	54.5
1997	65	54.5
1998	75	54.5
1999	53	54.5
2000	72	73.9
2001	77	73.9
2002	91	73.9
2003	76	73.9
2004	48	73.9
2005	79	73.9
2006	68	73.9
2007	80	73.9

For each year, a bar from the first to the last day at Glenwood 3SW meeting 30 C (86 F).

First to last qualifying date each year at Glenwood 3SW
Year	First date	Last date
1894	1894-03-17	1894-10-24
1895	1895-03-27	1895-11-04
1896	1896-04-10	1896-09-09
1897	1897-05-19	1897-10-15
1898	1898-04-16	1898-10-02
1899	1899-04-12	1899-10-22
1900	1900-05-11	1900-10-04
1901	1901-04-26	1901-09-24
1904	1904-05-24	1904-09-28
1905	1905-05-03	1905-09-27
1918	1918-05-03	1918-10-15
1919	1919-06-13	1919-10-02
1920	1920-06-08	1920-10-10
1921	1921-03-18	1921-10-16
1922	1922-05-03	1922-10-27
1923	1923-06-01	1923-09-10
1924	1924-04-15	1924-08-30
1925	1925-04-22	1925-09-29
1926	1926-04-29	1926-09-21
1927	1927-04-26	1927-10-26
1928	1928-03-23	1928-10-11
1929	1929-04-04	1929-09-03
1930	1930-04-10	1930-09-24
1931	1931-04-08	1931-10-10
1932	1932-05-03	1932-10-02
1933	1933-05-16	1933-09-25
1934	1934-04-29	1934-10-12
1935	1935-04-22	1935-09-24
1936	1936-04-13	1936-09-22
1937	1937-05-28	1937-10-29
1938	1938-04-13	1938-10-16
1939	1939-04-23	1939-10-07
1940	1940-04-14	1940-10-25
1941	1941-05-14	1941-09-21
1942	1942-04-29	1942-10-01
1943	1943-05-28	1943-09-21
1945	1945-05-20	1945-10-18
1946	1946-03-31	1946-09-26
1947	1947-05-14	1947-10-21
1948	1948-04-18	1948-09-20
1949	1949-04-25	1949-10-08
1950	1950-04-22	1950-09-19
1951	1951-05-31	1951-10-01
1953	1953-05-24	1953-10-15
1954	1954-04-25	1954-10-03
1955	1955-04-18	1955-09-19
1956	1956-04-01	1956-10-12
1959	1959-05-02	1959-09-21
1960	1960-04-23	1960-09-21
1961	1961-04-20	1961-09-10
1962	1962-04-21	1962-09-12
1963	1963-05-08	1963-10-14
1964	1964-04-16	1964-09-09
1965	1965-04-30	1965-09-09
1966	1966-05-05	1966-10-08
1967	1967-04-16	1967-09-25
1968	1968-03-30	1968-09-02
1969	1969-05-26	1969-10-04
1970	1970-04-28	1970-09-30
1971	1971-06-03	1971-10-01
1972	1972-04-06	1972-09-24
1973	1973-05-18	1973-09-21
1974	1974-04-25	1974-09-27
1975	1975-05-18	1975-10-22
1976	1976-04-14	1976-10-03
1977	1977-04-09	1977-09-07
1978	1978-05-24	1978-10-21
1979	1979-05-17	1979-10-20
1980	1980-04-20	1980-10-08
1981	1981-04-02	1981-09-30
1982	1982-06-06	1982-10-05
1983	1983-05-27	1983-10-03
1984	1984-04-26	1984-09-21
1985	1985-04-18	1985-09-20
1986	1986-03-29	1986-09-29
1987	1987-04-20	1987-09-05
1988	1988-04-09	1988-09-22
1989	1989-04-22	1989-10-16
1990	1990-04-23	1990-10-06
1991	1991-04-06	1991-10-24
1992	1992-04-30	1992-09-16
1993	1993-05-15	1993-10-08
1994	1994-04-18	1994-10-02
1995	1995-06-06	1995-10-12
1996	1996-04-12	1996-10-14
1997	1997-05-17	1997-10-07
1998	1998-04-26	1998-09-30
1999	1999-06-05	1999-10-28
2000	2000-04-06	2000-10-02
2001	2001-04-09	2001-10-03
2002	2002-04-15	2002-10-02
2003	2003-04-01	2003-10-22
2004	2004-04-17	2004-09-28
2005	2005-05-09	2005-10-19
2006	2006-04-07	2006-10-04
2007	2007-04-30	2007-10-08

Every Fixed Threshold

Fixed thresholds at Glenwood 3SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	96	111	1894	80
35 C (95 F): Days	91	60	1934	5
40 C (104 F): Days	26	23	1936	1
45 C (113 F): Days	1	1	1936	1
90 F (32.2 C): Days	96	89	1934	46
100 F (37.8 C): Days	52	39	1936	2
110 F (43.3 C): Days	2	4	1934	4
0 C (32 F): Ice days (max	96	66	1978	55
0 C (32 F): Frost days (min	94	161	1988	147
-10 C (14 F): Days with min	94	69	1978	61
-20 C (-4 F): Days with min	91	28	1936	10
-30 C (-22 F): Days with min	20	4	1996	4
20 C (68 F): Tropical nights (min	94	59	1936	33
25 C (77 F): Days with min	46	20	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	56	43	1959	33
25 mm (0.98 in): Days with 25 mm or more rain	56	14	1951	13
50 mm (1.97 in): Days with 50 mm or more rain	48	6	1950	4
100 mm (3.94 in): Days with 100 mm or more rain	10	2	1950	1
10 cm (3.9 in): Days with 10 cm or more snowfall	64	5	1959	4
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1932	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Glenwood 3SW 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 3SW Threshold Days by Year (USC00133290)

Key Facts for Glenwood 3SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related