Lake Cle Elum Threshold Days by Year (USC00454394)

18 fixed thresholds counted per year at Lake Cle Elum (USC00454394): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lake Cle Elum Thresholds

Lake Cle Elum: nights with a minimum temperature at or below 0 C (32 F) in 62 years, most in 1955 with 195.
Lake Cle Elum: nights with a minimum temperature at or below -10 C (14 F) in 62 years, most in 1916 with 47.
Lake Cle Elum: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 1958 with 34.
Lake Cle Elum: days with a maximum temperature at or below 0 C (32 F) in 59 years, most in 1916 with 63.
18 fixed thresholds have at least one qualifying day at Lake Cle Elum.

Days at or above 30 C (86 F)

59 years with a qualifying day

Days per year at Lake Cle Elum with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1958.

Days at or above 30 C (86 F) per year at Lake Cle Elum
Year	Days	Decade average
1913	20	17
1914	23	17
1915	28	17
1917	5	17
1918	9	17
1920	25	24.9
1921	12	24.9
1923	26	24.9
1925	28	24.9
1926	29	24.9
1927	29	24.9
1928	26	24.9
1929	24	24.9
1930	29	21.9
1931	31	21.9
1932	17	21.9
1933	20	21.9
1934	18	21.9
1935	18	21.9
1936	17	21.9
1937	14	21.9
1938	31	21.9
1939	24	21.9
1940	21	19
1941	22	19
1942	33	19
1943	20	19
1944	20	19
1945	19	19
1946	18	19
1947	7	19
1948	14	19
1949	16	19
1950	18	15.9
1951	11	15.9
1952	22	15.9
1953	15	15.9
1954	2	15.9
1955	18	15.9
1956	21	15.9
1957	7	15.9
1958	34	15.9
1959	11	15.9
1960	16	17.5
1961	33	17.5
1962	13	17.5
1963	14	17.5
1964	7	17.5
1965	14	17.5
1966	11	17.5
1967	34	17.5
1968	18	17.5
1969	15	17.5
1970	20	15.2
1971	23	15.2
1973	14	15.2
1974	16	15.2
1975	13	15.2
1976	5	15.2

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

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

Every Fixed Threshold

Fixed thresholds at Lake Cle Elum
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	59	34	1958	5
35 C (95 F): Days	44	10	1942	5
40 C (104 F): Days	3	2	1939	1
90 F (32.2 C): Days	58	22	1942	10
100 F (37.8 C): Days	14	3	1928	1
0 C (32 F): Ice days (max	59	63	1916	14
0 C (32 F): Frost days (min	62	195	1955	170
-10 C (14 F): Days with min	62	47	1916	18
-20 C (-4 F): Days with min	34	19	1949	6
-30 C (-22 F): Days with min	4	6	1950	2
20 C (68 F): Tropical nights (min	2	2	1935	1
10 mm (0.39 in): Days with 10 mm or more rain	59	43	1953	22
25 mm (0.98 in): Days with 25 mm or more rain	59	14	1955	4
50 mm (1.97 in): Days with 50 mm or more rain	32	4	1917	2
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1917	1
10 cm (3.9 in): Days with 10 cm or more snowfall	35	25	1957	10
25 cm (9.8 in): Days with 25 cm or more snowfall	29	6	1969	4
50 cm (19.7 in): Days with 50 cm or more snowfall	6	2	1964	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

Data for Lake Cle Elum 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).

Lake Cle Elum Threshold Days by Year (USC00454394)

Key Facts for Lake Cle Elum Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related