Stillwater Power House Threshold Days by Year

6 fixed thresholds counted per year at Stillwater Power House (CA001047770): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stillwater Power House Thresholds

Stillwater Power House: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1961 with 60.
Stillwater Power House: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1968 with 17.
Stillwater Power House: days with 10 cm (3.9 in) or more of snowfall in 33 years, most in 1951 with 7.
Stillwater Power House: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1983 with 4.
6 fixed thresholds have at least one qualifying day at Stillwater Power House.

Days with 10 mm (0.39 in) or more of precipitation

47 years with a qualifying day

Days per year at Stillwater Power House with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1961.

Days with 10 mm (0.39 in) or more of precipitation per year at Stillwater Power House
Year	Days	Decade average
1932	50	43.8
1933	48	43.8
1934	45	43.8
1935	48	43.8
1936	36	43.8
1937	42	43.8
1938	32	43.8
1939	49	43.8
1940	39	40.2
1941	49	40.2
1942	36	40.2
1943	33	40.2
1944	30	40.2
1945	32	40.2
1946	34	40.2
1947	55	40.2
1948	51	40.2
1949	43	40.2
1950	55	45.8
1951	44	45.8
1952	33	45.8
1953	47	45.8
1954	53	45.8
1955	46	45.8
1956	47	45.8
1959	41	45.8
1960	42	45.8
1961	60	45.8
1962	42	45.8
1963	51	45.8
1965	39	45.8
1966	39	45.8
1967	44	45.8
1968	42	45.8
1969	53	45.8
1970	35	43.3
1972	41	43.3
1973	50	43.3
1974	44	43.3
1976	40	43.3
1977	42	43.3
1978	45	43.3
1979	49	43.3
1980	58	53.3
1981	50	53.3
1982	45	53.3
1983	60	53.3

For each year, a bar from the first to the last day at Stillwater Power House meeting 10 mm (0.39 in).

First to last qualifying date each year at Stillwater Power House
Year	First date	Last date
1932	1932-01-01	1932-12-28
1933	1933-01-06	1933-12-28
1934	1934-01-02	1934-12-31
1935	1935-01-01	1935-12-30
1936	1936-01-03	1936-12-25
1937	1937-01-24	1937-12-29
1938	1938-01-13	1938-12-31
1939	1939-01-01	1939-12-31
1940	1940-01-01	1940-12-28
1941	1941-01-08	1941-12-22
1942	1942-01-12	1942-12-30
1943	1943-01-18	1943-12-31
1944	1944-01-12	1944-12-31
1945	1945-01-04	1945-12-30
1946	1946-01-03	1946-12-09
1947	1947-01-09	1947-12-31
1948	1948-01-07	1948-12-28
1949	1949-01-20	1949-12-28
1950	1950-01-09	1950-12-29
1951	1951-01-01	1951-12-26
1952	1952-01-14	1952-12-29
1953	1953-01-02	1953-12-19
1954	1954-01-01	1954-12-31
1955	1955-01-07	1955-12-21
1956	1956-01-02	1956-12-19
1959	1959-01-07	1959-12-13
1960	1960-01-05	1960-12-31
1961	1961-01-04	1961-12-22
1962	1962-01-06	1962-12-29
1963	1963-01-02	1963-12-31
1965	1965-01-01	1965-12-29
1966	1966-01-02	1966-12-28
1967	1967-01-02	1967-12-24
1968	1968-01-09	1968-12-31
1969	1969-01-03	1969-12-22
1970	1970-01-08	1970-12-19
1972	1972-01-07	1972-12-29
1973	1973-01-14	1973-12-19
1974	1974-01-12	1974-12-20
1976	1976-01-03	1976-12-06
1977	1977-01-17	1977-12-29
1978	1978-01-03	1978-12-19
1979	1979-01-11	1979-12-30
1980	1980-01-09	1980-12-23
1981	1981-01-17	1981-12-23
1982	1982-01-22	1982-12-21
1983	1983-01-01	1983-12-30

Every Fixed Threshold

Fixed thresholds at Stillwater Power House
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	47	60	1961	60
25 mm (0.98 in): Days with 25 mm or more rain	47	17	1968	8
50 mm (1.97 in): Days with 50 mm or more rain	28	4	1983	4
10 cm (3.9 in): Days with 10 cm or more snowfall	33	7	1951	1
25 cm (9.8 in): Days with 25 cm or more snowfall	8	1	1935	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1935	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

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Data for Stillwater Power House 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Stillwater Power House Threshold Days by Year

Key Facts for Stillwater Power House Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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