Alma Threshold Days by Year (USC00250145)

20 fixed thresholds counted per year at Alma (USC00250145): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alma Thresholds

Alma: days with a maximum temperature at or above 30 C (86 F) in 76 years, most in 1956 with 121.
Alma: days with a maximum temperature at or above 35 C (95 F) in 76 years, most in 1936 with 73.
Alma: days with a maximum temperature at or above 90 F (32.2 C) in 76 years, most in 1939 with 101.
Alma: days with a maximum temperature at or below 0 C (32 F) in 76 years, most in 1937 with 52.
20 fixed thresholds have at least one qualifying day at Alma.

Days at or above 30 C (86 F)

76 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 121 in 1956.

Days at or above 30 C (86 F) per year at Alma
Year	Days	Decade average
1900	109	77.6
1901	97	77.6
1902	78	77.6
1903	63	77.6
1904	54	77.6
1905	70	77.6
1906	69	77.6
1907	85	77.6
1908	68	77.6
1909	83	77.6
1910	87	81.9
1911	90	81.9
1912	71	81.9
1913	93	81.9
1914	93	81.9
1915	36	81.9
1916	80	81.9
1917	88	81.9
1918	99	81.9
1919	82	81.9
1920	69	90.6
1921	101	90.6
1922	103	90.6
1923	74	90.6
1924	75	90.6
1925	104	90.6
1926	115	90.6
1927	102	90.6
1928	72	90.6
1929	91	90.6
1930	73	97.9
1931	102	97.9
1932	73	97.9
1933	103	97.9
1934	110	97.9
1935	73	97.9
1936	109	97.9
1937	112	97.9
1938	105	97.9
1939	119	97.9
1940	100	84.6
1941	98	84.6
1942	88	84.6
1943	94	84.6
1944	73	84.6
1945	81	84.6
1946	63	84.6
1947	79	84.6
1948	85	84.6
1951	44	88.9
1952	96	88.9
1953	109	88.9
1954	106	88.9
1955	100	88.9
1956	121	88.9
1957	66	88.9
1958	60	88.9
1959	98	88.9
1960	78	79.4
1961	74	79.4
1962	83	79.4
1963	103	79.4
1964	91	79.4
1965	70	79.4
1966	88	79.4
1967	66	79.4
1968	87	79.4
1969	54	79.4
1970	86	90.3
1971	98	90.3
1972	94	90.3
1973	78	90.3
1974	83	90.3
1975	89	90.3
1976	95	90.3
1977	99	90.3

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
1900	1900-03-10	1900-10-05
1901	1901-04-26	1901-10-18
1902	1902-04-20	1902-09-19
1903	1903-04-23	1903-10-19
1904	1904-05-22	1904-10-08
1905	1905-04-08	1905-10-12
1906	1906-04-11	1906-10-12
1907	1907-03-21	1907-09-23
1908	1908-03-25	1908-10-16
1909	1909-04-28	1909-10-05
1910	1910-03-21	1910-10-17
1911	1911-05-08	1911-09-28
1912	1912-05-02	1912-10-05
1913	1913-04-29	1913-09-10
1914	1914-04-20	1914-10-17
1915	1915-04-28	1915-10-30
1916	1916-04-11	1916-10-07
1917	1917-03-30	1917-09-22
1918	1918-05-07	1918-10-15
1919	1919-06-07	1919-09-20
1920	1920-05-22	1920-10-11
1921	1921-03-18	1921-10-24
1922	1922-05-05	1922-10-27
1923	1923-04-18	1923-09-28
1924	1924-04-13	1924-09-25
1925	1925-04-14	1925-09-29
1926	1926-03-22	1926-10-18
1927	1927-04-25	1927-10-27
1928	1928-03-23	1928-10-10
1929	1929-04-03	1929-09-24
1930	1930-04-09	1930-09-23
1931	1931-05-15	1931-10-10
1932	1932-04-21	1932-09-18
1933	1933-05-16	1933-09-24
1934	1934-04-10	1934-10-12
1935	1935-03-15	1935-09-23
1936	1936-04-12	1936-10-18
1937	1937-04-21	1937-10-29
1938	1938-05-26	1938-10-16
1939	1939-04-22	1939-10-23
1940	1940-04-01	1940-10-25
1941	1941-05-14	1941-10-13
1942	1942-04-04	1942-10-11
1943	1943-03-29	1943-10-28
1944	1944-05-12	1944-09-20
1945	1945-05-19	1945-11-05
1946	1946-03-31	1946-09-27
1947	1947-05-03	1947-10-21
1948	1948-04-17	1948-09-21
1951	1951-04-28	1951-10-02
1952	1952-04-27	1952-10-30
1953	1953-04-21	1953-10-10
1954	1954-04-06	1954-10-09
1955	1955-04-19	1955-10-11
1956	1956-03-25	1956-10-12
1957	1957-06-04	1957-10-06
1958	1958-05-11	1958-10-19
1959	1959-04-30	1959-10-25
1960	1960-04-23	1960-10-11
1961	1961-05-12	1961-10-17
1962	1962-05-04	1962-10-14
1963	1963-04-16	1963-10-15
1964	1964-04-16	1964-10-02
1965	1965-04-22	1965-10-09
1966	1966-05-05	1966-10-08
1967	1967-03-23	1967-10-04
1968	1968-03-30	1968-09-22
1969	1969-05-27	1969-10-01
1970	1970-04-27	1970-09-21
1971	1971-06-04	1971-10-07
1972	1972-03-06	1972-10-01
1973	1973-05-18	1973-09-10
1974	1974-05-18	1974-10-11
1975	1975-05-04	1975-10-14
1976	1976-04-14	1976-10-01
1977	1977-04-08	1977-09-26

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	76	121	1956	99
35 C (95 F): Days	76	73	1936	39
40 C (104 F): Days	51	32	1936	4
45 C (113 F): Days	5	2	1939	1
90 F (32.2 C): Days	76	101	1939	73
100 F (37.8 C): Days	69	51	1936	17
110 F (43.3 C): Days	13	10	1936	1
0 C (32 F): Ice days (max	76	52	1937	20
0 C (32 F): Frost days (min	74	174	1907	135
-10 C (14 F): Days with min	74	72	1955	36
-20 C (-4 F): Days with min	72	22	1924	3
-30 C (-22 F): Days with min	15	5	1905	1
20 C (68 F): Tropical nights (min	74	48	1937	30
25 C (77 F): Days with min	26	14	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	76	33	1951	22
25 mm (0.98 in): Days with 25 mm or more rain	75	9	1903	4
50 mm (1.97 in): Days with 50 mm or more rain	46	3	1902	1
100 mm (3.94 in): Days with 100 mm or more rain	5	2	1941	1
10 cm (3.9 in): Days with 10 cm or more snowfall	27	4	1952	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1924	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Alma Threshold Days by Year (USC00250145)

Key Facts for Alma Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related