Cushman Dam Threshold Days by Year (USC00451934)

16 fixed thresholds counted per year at Cushman Dam (USC00451934): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cushman Dam Thresholds

Cushman Dam: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1950 with 98.
Cushman Dam: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1915 with 55.
Cushman Dam: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1931 with 19.
Cushman Dam: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1955 with 109.
16 fixed thresholds have at least one qualifying day at Cushman Dam.

Days at or above 30 C (86 F)

41 years with a qualifying day

Days per year at Cushman Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 1958.

Days at or above 30 C (86 F) per year at Cushman Dam
Year	Days	Decade average
1915	10	10
1928	15	13
1929	11	13
1931	15	16.9
1932	10	16.9
1933	17	16.9
1934	10	16.9
1935	18	16.9
1936	14	16.9
1937	14	16.9
1938	31	16.9
1939	23	16.9
1941	17	15.3
1942	16	15.3
1943	14	15.3
1944	20	15.3
1945	23	15.3
1946	12	15.3
1947	7	15.3
1948	12	15.3
1949	17	15.3
1950	17	22.8
1952	24	22.8
1953	15	22.8
1955	13	22.8
1956	25	22.8
1957	8	22.8
1958	60	22.8
1959	20	22.8
1960	19	15.2
1961	39	15.2
1962	10	15.2
1963	11	15.2
1964	5	15.2
1965	9	15.2
1966	6	15.2
1967	28	15.2
1968	15	15.2
1969	10	15.2
1970	17	17
1971	17	17

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

First to last qualifying date each year at Cushman Dam
Year	First date	Last date
1915	1915-06-30	1915-08-28
1928	1928-05-20	1928-09-22
1929	1929-07-08	1929-09-16
1931	1931-05-11	1931-09-03
1932	1932-06-09	1932-08-07
1933	1933-06-12	1933-08-27
1934	1934-04-19	1934-09-03
1935	1935-06-06	1935-09-08
1936	1936-05-13	1936-10-10
1937	1937-06-01	1937-09-15
1938	1938-05-21	1938-09-17
1939	1939-05-13	1939-08-22
1941	1941-06-11	1941-08-20
1942	1942-06-30	1942-08-23
1943	1943-06-29	1943-09-25
1944	1944-05-27	1944-09-11
1945	1945-05-02	1945-08-22
1946	1946-07-19	1946-09-10
1947	1947-05-23	1947-09-01
1948	1948-06-06	1948-09-10
1949	1949-05-12	1949-09-27
1950	1950-06-03	1950-09-21
1952	1952-05-17	1952-09-22
1953	1953-05-05	1953-09-05
1955	1955-06-08	1955-09-06
1956	1956-05-16	1956-09-06
1957	1957-07-19	1957-09-23
1958	1958-05-17	1958-09-08
1959	1959-06-01	1959-08-14
1960	1960-07-05	1960-09-09
1961	1961-05-19	1961-08-23
1962	1962-07-22	1962-09-05
1963	1963-05-18	1963-09-10
1964	1964-07-11	1964-08-25
1965	1965-08-01	1965-09-01
1966	1966-06-16	1966-09-05
1967	1967-06-17	1967-09-28
1968	1968-06-26	1968-08-11
1969	1969-05-09	1969-07-31
1970	1970-06-01	1970-08-31
1971	1971-05-12	1971-08-29

Every Fixed Threshold

Fixed thresholds at Cushman Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	41	60	1958	17
35 C (95 F): Days	27	12	1958	6
40 C (104 F): Days	1	1	1941	1
90 F (32.2 C): Days	39	33	1958	11
100 F (37.8 C): Days	8	4	1942	1
0 C (32 F): Ice days (max	26	19	1950	4
0 C (32 F): Frost days (min	45	109	1955	78
-10 C (14 F): Days with min	21	17	1950	4
20 C (68 F): Tropical nights (min	5	2	1941	1
10 mm (0.39 in): Days with 10 mm or more rain	49	98	1950	83
25 mm (0.98 in): Days with 25 mm or more rain	49	55	1915	41
50 mm (1.97 in): Days with 50 mm or more rain	49	19	1931	11
100 mm (3.94 in): Days with 100 mm or more rain	30	5	1954	1
10 cm (3.9 in): Days with 10 cm or more snowfall	28	15	1933	3
25 cm (9.8 in): Days with 25 cm or more snowfall	13	4	1950	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	2	1954	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

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Data for Cushman Dam 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).

Cushman Dam Threshold Days by Year (USC00451934)

Key Facts for Cushman Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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