Kooskia Threshold Days by Year (USC00105011)

18 fixed thresholds counted per year at Kooskia (USC00105011): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kooskia Thresholds

Kooskia: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1948 with 33.
Kooskia: days with a maximum temperature at or above 30 C (86 F) in 71 years, most in 1967 with 97.
Kooskia: days with a maximum temperature at or above 35 C (95 F) in 71 years, most in 1986 with 55.
Kooskia: days with a maximum temperature at or above 90 F (32.2 C) in 71 years, most in 1922 with 83.
18 fixed thresholds have at least one qualifying day at Kooskia.

Days at or above 30 C (86 F)

71 years with a qualifying day

Days per year at Kooskia with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 97 in 1967.

Days at or above 30 C (86 F) per year at Kooskia
Year	Days	Decade average
1909	67	67
1911	58	53.3
1912	53	53.3
1913	52	53.3
1919	50	53.3
1920	60	74.1
1921	60	74.1
1922	95	74.1
1924	87	74.1
1925	80	74.1
1926	71	74.1
1927	54	74.1
1928	79	74.1
1929	81	74.1
1930	74	81.3
1931	84	81.3
1932	71	81.3
1933	67	81.3
1934	89	81.3
1935	76	81.3
1936	96	81.3
1937	85	81.3
1938	89	81.3
1939	82	81.3
1940	88	71.6
1941	60	71.6
1942	65	71.6
1943	69	71.6
1944	70	71.6
1945	78	71.6
1946	68	71.6
1947	73	71.6
1948	60	71.6
1949	85	71.6
1950	76	70
1951	74	70
1952	77	70
1953	68	70
1954	57	70
1955	69	70
1956	72	70
1957	70	70
1958	79	70
1959	58	70
1960	76	72.2
1961	83	72.2
1962	69	72.2
1963	74	72.2
1964	49	72.2
1965	50	72.2
1966	85	72.2
1967	97	72.2
1968	61	72.2
1969	78	72.2
1970	80	69.5
1971	66	69.5
1972	73	69.5
1973	80	69.5
1974	82	69.5
1975	62	69.5
1976	48	69.5
1977	69	69.5
1978	48	69.5
1979	87	69.5
1980	53	73.4
1981	71	73.4
1982	61	73.4
1983	77	73.4
1984	79	73.4
1985	80	73.4
1986	93	73.4

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

First to last qualifying date each year at Kooskia
Year	First date	Last date
1909	1909-05-03	1909-09-27
1911	1911-05-31	1911-09-11
1912	1912-05-14	1912-10-04
1913	1913-05-26	1913-09-17
1919	1919-05-19	1919-09-17
1920	1920-06-13	1920-09-30
1921	1921-06-03	1921-09-01
1922	1922-05-17	1922-09-27
1924	1924-05-09	1924-09-29
1925	1925-05-06	1925-09-26
1926	1926-04-16	1926-09-10
1927	1927-04-26	1927-09-20
1928	1928-04-27	1928-09-25
1929	1929-05-13	1929-10-05
1930	1930-04-13	1930-09-28
1931	1931-05-03	1931-10-02
1932	1932-04-14	1932-10-05
1933	1933-05-26	1933-10-08
1934	1934-04-20	1934-10-11
1935	1935-05-21	1935-10-03
1936	1936-04-16	1936-10-13
1937	1937-05-02	1937-09-20
1938	1938-05-24	1938-10-03
1939	1939-04-22	1939-09-25
1940	1940-05-03	1940-09-27
1941	1941-04-30	1941-09-26
1942	1942-06-29	1942-10-05
1943	1943-04-18	1943-10-09
1944	1944-05-04	1944-10-11
1945	1945-05-02	1945-10-02
1946	1946-04-25	1946-09-27
1947	1947-05-01	1947-10-03
1948	1948-05-15	1948-09-20
1949	1949-04-17	1949-09-29
1950	1950-05-26	1950-09-24
1951	1951-05-06	1951-09-19
1952	1952-04-18	1952-10-02
1953	1953-05-05	1953-09-30
1954	1954-05-15	1954-09-14
1955	1955-05-25	1955-09-13
1956	1956-05-16	1956-09-25
1957	1957-04-29	1957-09-30
1958	1958-05-17	1958-09-11
1959	1959-05-13	1959-09-12
1960	1960-05-10	1960-09-27
1961	1961-05-25	1961-09-15
1962	1962-04-18	1962-09-27
1963	1963-05-20	1963-10-02
1964	1964-05-16	1964-09-16
1965	1965-05-28	1965-09-01
1966	1966-05-02	1966-09-23
1967	1967-05-21	1967-09-28
1968	1968-04-29	1968-09-13
1969	1969-05-10	1969-09-17
1970	1970-05-04	1970-09-03
1971	1971-05-11	1971-09-23
1972	1972-05-13	1972-09-16
1973	1973-05-13	1973-09-13
1974	1974-06-11	1974-09-25
1975	1975-05-14	1975-10-02
1976	1976-05-09	1976-09-30
1977	1977-04-22	1977-09-13
1978	1978-06-02	1978-09-26
1979	1979-05-22	1979-10-05
1980	1980-04-26	1980-10-07
1981	1981-04-23	1981-09-19
1982	1982-05-25	1982-09-19
1983	1983-05-23	1983-09-29
1984	1984-05-28	1984-09-22
1985	1985-05-16	1985-09-04
1986	1986-05-18	1986-09-08

Every Fixed Threshold

Fixed thresholds at Kooskia
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	71	97	1967	93
35 C (95 F): Days	71	55	1986	55
40 C (104 F): Days	57	12	1967	2
45 C (113 F): Days	3	1	1922	1
90 F (32.2 C): Days	71	83	1922	77
100 F (37.8 C): Days	70	26	1967	13
110 F (43.3 C): Days	12	3	1928	1
0 C (32 F): Ice days (max	67	39	1985	5
0 C (32 F): Frost days (min	69	179	1976	122
-10 C (14 F): Days with min	66	39	1922	6
-20 C (-4 F): Days with min	37	14	1949	1
-30 C (-22 F): Days with min	4	3	1930	2
20 C (68 F): Tropical nights (min	12	2	1911	2
10 mm (0.39 in): Days with 10 mm or more rain	74	33	1948	19
25 mm (0.98 in): Days with 25 mm or more rain	60	7	1948	1
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1909	1
10 cm (3.9 in): Days with 10 cm or more snowfall	51	8	1913	2
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	1913	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

Data for Kooskia 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).

Kooskia Threshold Days by Year (USC00105011)

Key Facts for Kooskia Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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