Alma Threshold Days by Year (USC00200146)

19 fixed thresholds counted per year at Alma (USC00200146): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alma Thresholds

Alma: nights with a minimum temperature at or below 0 C (32 F) in 124 years, most in 1917 with 184.
Alma: nights with a minimum temperature at or below -10 C (14 F) in 124 years, most in 1895 with 78.
Alma: days with a maximum temperature at or above 30 C (86 F) in 123 years, most in 1921 with 60.
Alma: days with a maximum temperature at or below 0 C (32 F) in 123 years, most in 1978 with 86.
19 fixed thresholds have at least one qualifying day at Alma.

Days at or above 30 C (86 F)

123 years with a qualifying day

Days per year at Alma with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 1921.

Days at or above 30 C (86 F) per year at Alma
Year	Days	Decade average
1888	30	30
1892	26	37.4
1894	41	37.4
1895	52	37.4
1896	33	37.4
1897	32	37.4
1898	42	37.4
1899	36	37.4
1900	38	25.6
1901	42	25.6
1902	18	25.6
1903	14	25.6
1904	12	25.6
1905	20	25.6
1906	36	25.6
1907	12	25.6
1908	37	25.6
1909	27	25.6
1910	36	26.9
1911	33	26.9
1912	14	26.9
1913	30	26.9
1914	22	26.9
1915	14	26.9
1916	41	26.9
1917	13	26.9
1918	31	26.9
1919	35	26.9
1920	21	30.5
1921	60	30.5
1922	40	30.5
1923	35	30.5
1924	15	30.5
1925	37	30.5
1926	21	30.5
1927	27	30.5
1928	16	30.5
1929	33	30.5
1930	47	43.3
1931	54	43.3
1932	38	43.3
1933	48	43.3
1934	47	43.3
1935	28	43.3
1936	45	43.3
1937	49	43.3
1938	34	43.3
1939	43	43.3
1940	36	38.4
1941	44	38.4
1942	22	38.4
1943	41	38.4
1944	60	38.4
1945	28	38.4
1946	41	38.4
1947	36	38.4
1948	29	38.4
1949	47	38.4
1950	18	31.8
1951	17	31.8
1952	45	31.8
1953	39	31.8
1954	35	31.8
1955	50	31.8
1956	18	31.8
1957	25	31.8
1958	20	31.8
1959	51	31.8
1961	28	28.4
1962	30	28.4
1965	20	28.4
1966	32	28.4
1967	19	28.4
1968	34	28.4
1969	36	28.4
1970	47	33.4
1971	47	33.4
1972	27	33.4
1973	34	33.4
1974	21	33.4
1975	38	33.4
1976	45	33.4
1977	40	33.4
1978	22	33.4
1979	13	33.4
1980	15	30
1981	9	30
1982	16	30
1983	52	30
1984	33	30
1985	20	30
1986	19	30
1987	54	30
1988	54	30
1989	28	30
1990	25	28.4
1991	42	28.4
1992	7	28.4
1993	22	28.4
1994	17	28.4
1995	35	28.4
1996	17	28.4
1997	26	28.4
1998	56	28.4
1999	37	28.4
2000	13	27.7
2001	41	27.7
2002	45	27.7
2003	24	27.7
2004	15	27.7
2005	41	27.7
2006	19	27.7
2007	52	27.7
2008	22	27.7
2009	5	27.7
2010	31	23.8
2011	28	23.8
2012	42	23.8
2013	22	23.8
2014	5	23.8
2015	15	23.8
2025	31	24.5
2026	18	24.5

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

First to last qualifying date each year at Alma
Year	First date	Last date
1888	1888-06-15	1888-09-11
1892	1892-06-12	1892-09-25
1894	1894-05-17	1894-09-15
1895	1895-05-04	1895-09-23
1896	1896-05-08	1896-09-10
1897	1897-06-13	1897-10-15
1898	1898-06-04	1898-10-03
1899	1899-04-29	1899-09-16
1900	1900-04-30	1900-10-06
1901	1901-06-05	1901-09-07
1902	1902-05-19	1902-08-31
1903	1903-06-08	1903-09-12
1904	1904-06-20	1904-09-29
1905	1905-06-15	1905-09-29
1906	1906-05-17	1906-09-18
1907	1907-06-16	1907-09-01
1908	1908-05-25	1908-09-27
1909	1909-06-22	1909-09-14
1910	1910-06-15	1910-09-05
1911	1911-05-17	1911-09-01
1912	1912-05-23	1912-09-10
1913	1913-06-06	1913-09-07
1914	1914-05-26	1914-09-21
1915	1915-04-24	1915-09-16
1916	1916-07-02	1916-10-08
1917	1917-07-21	1917-08-20
1918	1918-05-31	1918-08-25
1919	1919-05-30	1919-09-08
1920	1920-06-09	1920-09-25
1921	1921-05-20	1921-09-29
1922	1922-05-10	1922-10-05
1923	1923-06-01	1923-09-27
1924	1924-06-19	1924-09-21
1925	1925-04-23	1925-08-31
1926	1926-05-08	1926-09-01
1927	1927-06-29	1927-09-17
1928	1928-07-01	1928-09-10
1929	1929-05-29	1929-09-05
1930	1930-05-06	1930-09-19
1931	1931-05-18	1931-09-21
1932	1932-06-04	1932-09-19
1933	1933-05-25	1933-09-10
1934	1934-05-31	1934-08-19
1935	1935-06-30	1935-09-18
1936	1936-05-07	1936-09-23
1937	1937-05-30	1937-09-24
1938	1938-05-03	1938-10-16
1939	1939-05-19	1939-09-16
1940	1940-06-02	1940-09-20
1941	1941-05-05	1941-09-22
1942	1942-05-30	1942-09-02
1943	1943-06-12	1943-09-01
1944	1944-05-26	1944-09-19
1945	1945-06-23	1945-09-08
1946	1946-06-16	1946-09-22
1947	1947-06-10	1947-09-09
1948	1948-06-01	1948-09-19
1949	1949-05-04	1949-09-04
1950	1950-06-08	1950-08-17
1951	1951-06-17	1951-10-04
1952	1952-05-05	1952-09-14
1953	1953-06-12	1953-10-03
1954	1954-06-09	1954-09-07
1955	1955-05-03	1955-09-19
1956	1956-06-09	1956-08-31
1957	1957-06-16	1957-08-14
1958	1958-06-30	1958-08-31
1959	1959-06-05	1959-09-09
1961	1961-06-05	1961-09-10
1962	1962-05-15	1962-09-13
1965	1965-05-25	1965-08-15
1966	1966-06-04	1966-09-02
1967	1967-06-12	1967-08-16
1968	1968-06-05	1968-09-04
1969	1969-05-28	1969-09-01
1970	1970-05-08	1970-09-22
1971	1971-06-04	1971-10-02
1972	1972-05-18	1972-08-30
1973	1973-06-10	1973-09-04
1974	1974-07-03	1974-08-27
1975	1975-05-19	1975-08-13
1976	1976-06-07	1976-09-09
1977	1977-05-13	1977-09-01
1978	1978-05-27	1978-09-12
1979	1979-06-16	1979-08-08
1980	1980-06-24	1980-08-30
1981	1981-06-16	1981-07-26
1982	1982-05-19	1982-09-14
1983	1983-06-12	1983-09-11
1984	1984-06-07	1984-09-23
1985	1985-06-09	1985-09-08
1986	1986-04-28	1986-08-21
1987	1987-05-18	1987-08-17
1988	1988-05-29	1988-08-18
1989	1989-05-25	1989-08-13
1990	1990-04-26	1990-09-05
1991	1991-05-13	1991-09-16
1992	1992-05-23	1992-08-26
1993	1993-05-11	1993-08-31
1994	1994-05-22	1994-09-16
1995	1995-06-07	1995-09-06
1996	1996-05-19	1996-09-06
1997	1997-06-10	1997-08-28
1998	1998-05-15	1998-09-27
1999	1999-05-29	1999-09-27
2000	2000-05-07	2000-09-02
2001	2001-06-14	2001-09-09
2002	2002-04-17	2002-09-20
2003	2003-06-19	2003-09-18
2004	2004-04-19	2004-09-24
2005	2005-06-05	2005-09-22
2006	2006-05-28	2006-08-03
2007	2007-05-09	2007-10-09
2008	2008-06-07	2008-09-03
2009	2009-06-24	2009-08-17
2010	2010-05-25	2010-09-22
2011	2011-05-31	2011-09-03
2012	2012-03-22	2012-09-04
2013	2013-05-21	2013-09-11
2014	2014-06-02	2014-07-23
2015	2015-07-19	2015-09-07
2025	2025-06-04	2025-10-05
2026	2026-06-09	2026-08-11

Every Fixed Threshold

Fixed thresholds at Alma
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	123	60	1921	18
35 C (95 F): Days	75	25	1931	2
40 C (104 F): Days	2	4	1936	4
90 F (32.2 C): Days	122	42	1988	8
100 F (37.8 C): Days	15	7	1936	1
0 C (32 F): Ice days (max	123	86	1978	45
0 C (32 F): Frost days (min	124	184	1917	95
-10 C (14 F): Days with min	124	78	1895	34
-20 C (-4 F): Days with min	105	30	1904	4
-30 C (-22 F): Days with min	13	3	1899	2
20 C (68 F): Tropical nights (min	119	26	1959	8
25 C (77 F): Days with min	6	3	1921	1
10 mm (0.39 in): Days with 10 mm or more rain	123	38	1903	20
25 mm (0.98 in): Days with 25 mm or more rain	123	11	1892	7
50 mm (1.97 in): Days with 50 mm or more rain	63	4	1905	1
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1928	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1986	1
10 cm (3.9 in): Days with 10 cm or more snowfall	88	9	1918	2
25 cm (9.8 in): Days with 25 cm or more snowfall	12	2	1908	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1888.

Download the Data

Data for Alma 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).

Alma Threshold Days by Year (USC00200146)

Key Facts for Alma Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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