Omak 4 N Threshold Days by Year (USC00456123)

19 fixed thresholds counted per year at Omak 4 N (USC00456123): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Omak 4 N Thresholds

Omak 4 N: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 1922 with 100.
Omak 4 N: days with a maximum temperature at or above 90 F (32.2 C) in 70 years, most in 1922 with 81.
Omak 4 N: days with a maximum temperature at or below 0 C (32 F) in 70 years, most in 1955 with 73.
Omak 4 N: nights with a minimum temperature at or below 0 C (32 F) in 70 years, most in 1948 with 180.
19 fixed thresholds have at least one qualifying day at Omak 4 N.

Days at or above 30 C (86 F)

70 years with a qualifying day

Days per year at Omak 4 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 1922.

Days at or above 30 C (86 F) per year at Omak 4 N
Year	Days	Decade average
1912	53	66
1913	56	66
1914	70	66
1915	62	66
1916	42	66
1917	78	66
1918	88	66
1919	79	66
1920	67	80.2
1921	76	80.2
1922	100	80.2
1923	74	80.2
1924	86	80.2
1925	86	80.2
1926	90	80.2
1927	70	80.2
1928	86	80.2
1929	67	80.2
1930	61	65.2
1931	70	65.2
1932	60	65.2
1933	58	65.2
1934	84	65.2
1935	60	65.2
1936	64	65.2
1937	48	65.2
1938	83	65.2
1939	64	65.2
1940	81	52.3
1941	60	52.3
1942	54	52.3
1943	56	52.3
1944	78	52.3
1945	62	52.3
1946	31	52.3
1947	32	52.3
1948	15	52.3
1949	54	52.3
1950	26	39.9
1951	42	39.9
1952	32	39.9
1953	36	39.9
1954	27	39.9
1955	45	39.9
1956	50	39.9
1957	36	39.9
1958	71	39.9
1959	34	39.9
1960	43	43.8
1961	60	43.8
1962	39	43.8
1963	46	43.8
1964	25	43.8
1965	44	43.8
1966	34	43.8
1967	67	43.8
1968	31	43.8
1969	49	43.8
1970	49	34.9
1971	40	34.9
1972	36	34.9
1973	41	34.9
1974	35	34.9
1975	20	34.9
1976	18	34.9
1977	43	34.9
1978	32	34.9
2004	49	51.3
2007	52	51.3
2008	53	51.3

For each year, a bar from the first to the last day at Omak 4 N meeting 30 C (86 F).

First to last qualifying date each year at Omak 4 N
Year	First date	Last date
1912	1912-05-08	1912-09-17
1913	1913-04-11	1913-09-17
1914	1914-05-01	1914-09-03
1915	1915-05-06	1915-09-18
1916	1916-06-13	1916-09-21
1917	1917-06-14	1917-10-04
1918	1918-05-02	1918-09-28
1919	1919-05-18	1919-09-18
1920	1920-06-03	1920-09-17
1921	1921-05-18	1921-09-06
1922	1922-05-15	1922-09-26
1923	1923-05-05	1923-09-30
1924	1924-05-02	1924-09-16
1925	1925-04-09	1925-09-24
1926	1926-04-14	1926-09-13
1927	1927-04-24	1927-09-20
1928	1928-05-10	1928-09-23
1929	1929-05-19	1929-09-16
1930	1930-05-14	1930-09-17
1931	1931-05-01	1931-09-03
1932	1932-05-17	1932-09-29
1933	1933-06-03	1933-09-04
1934	1934-04-19	1934-09-07
1935	1935-05-20	1935-10-02
1936	1936-04-16	1936-09-06
1937	1937-05-02	1937-09-15
1938	1938-05-21	1938-09-24
1939	1939-05-12	1939-09-23
1940	1940-05-21	1940-09-26
1941	1941-05-23	1941-08-23
1942	1942-06-13	1942-09-05
1943	1943-06-07	1943-10-02
1944	1944-05-08	1944-09-24
1945	1945-05-28	1945-09-14
1946	1946-06-19	1946-09-01
1947	1947-05-06	1947-09-24
1948	1948-05-27	1948-09-13
1949	1949-05-08	1949-09-08
1950	1950-06-20	1950-09-12
1951	1951-05-22	1951-08-21
1952	1952-07-08	1952-09-26
1953	1953-07-05	1953-08-31
1954	1954-05-18	1954-09-02
1955	1955-06-08	1955-09-10
1956	1956-05-17	1956-09-18
1957	1957-05-29	1957-09-15
1958	1958-05-18	1958-09-10
1959	1959-06-02	1959-09-12
1960	1960-06-10	1960-09-14
1961	1961-05-20	1961-08-29
1962	1962-06-15	1962-09-26
1963	1963-05-20	1963-09-11
1964	1964-06-23	1964-08-22
1965	1965-05-28	1965-08-19
1966	1966-05-04	1966-09-22
1967	1967-06-15	1967-09-21
1968	1968-06-18	1968-08-31
1969	1969-05-23	1969-09-12
1970	1970-05-25	1970-08-25
1971	1971-06-21	1971-08-30
1972	1972-05-28	1972-09-04
1973	1973-05-14	1973-09-11
1974	1974-06-11	1974-08-31
1975	1975-06-01	1975-08-15
1976	1976-06-28	1976-09-01
1977	1977-04-24	1977-08-22
1978	1978-06-03	1978-08-10
2004	2004-06-04	2004-09-01
2007	2007-05-31	2007-09-12
2008	2008-05-16	2008-09-19

Every Fixed Threshold

Fixed thresholds at Omak 4 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	70	100	1922	53
35 C (95 F): Days	67	47	1922	19
40 C (104 F): Days	22	11	1925	2
45 C (113 F): Days	1	2	1928	2
90 F (32.2 C): Days	70	81	1922	34
100 F (37.8 C): Days	48	28	1920	6
110 F (43.3 C): Days	4	6	1928	6
0 C (32 F): Ice days (max	70	73	1955	47
0 C (32 F): Frost days (min	70	180	1948	154
-10 C (14 F): Days with min	70	66	1916	38
-20 C (-4 F): Days with min	52	28	1949	5
-30 C (-22 F): Days with min	3	1	1933	1
20 C (68 F): Tropical nights (min	51	7	1961	2
25 C (77 F): Days with min	2	1	1937	1
10 mm (0.39 in): Days with 10 mm or more rain	69	19	1941	11
25 mm (0.98 in): Days with 25 mm or more rain	25	2	1912	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1936	1
10 cm (3.9 in): Days with 10 cm or more snowfall	25	9	1931	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1938	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

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Data for Omak 4 N 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).

Omak 4 N Threshold Days by Year (USC00456123)

Key Facts for Omak 4 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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