Black Lake Threshold Days by Year (USC00291000)

7 fixed thresholds counted per year at Black Lake (USC00291000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Black Lake Thresholds

Black Lake: days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 1986 with 36.
Black Lake: days with 10 cm (3.9 in) or more of snowfall in 84 years, most in 1993 with 23.
Black Lake: days with 25 mm (0.98 in) or more of precipitation in 77 years, most in 1998 with 8.
Black Lake: days with 25 cm (9.8 in) or more of snowfall in 43 years, most in 1944 with 3.
7 fixed thresholds have at least one qualifying day at Black Lake.

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

90 years with a qualifying day

Days per year at Black Lake with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1986.

Days with 10 mm (0.39 in) or more of precipitation per year at Black Lake
Year	Days	Decade average
1910	5	11.8
1911	11	11.8
1912	12	11.8
1913	9	11.8
1914	9	11.8
1915	13	11.8
1916	14	11.8
1917	8	11.8
1919	25	11.8
1920	15	12.9
1921	22	12.9
1922	8	12.9
1923	14	12.9
1924	9	12.9
1925	9	12.9
1926	11	12.9
1927	15	12.9
1928	9	12.9
1929	17	12.9
1930	12	11.1
1931	14	11.1
1932	8	11.1
1933	11	11.1
1934	9	11.1
1935	16	11.1
1936	8	11.1
1937	12	11.1
1938	12	11.1
1939	9	11.1
1940	11	11.9
1941	22	11.9
1943	15	11.9
1944	12	11.9
1945	3	11.9
1946	10	11.9
1947	9	11.9
1948	9	11.9
1949	16	11.9
1950	9	10.8
1951	16	10.8
1952	12	10.8
1953	11	10.8
1954	5	10.8
1955	11	10.8
1956	8	10.8
1957	19	10.8
1958	8	10.8
1959	9	10.8
1960	11	16
1961	14	16
1962	11	16
1963	9	16
1964	7	16
1965	23	16
1966	20	16
1969	33	16
1970	14	14.7
1971	10	14.7
1972	11	14.7
1973	15	14.7
1974	18	14.7
1975	20	14.7
1976	9	14.7
1977	18	14.7
1978	17	14.7
1979	15	14.7
1980	12	24.3
1981	16	24.3
1982	35	24.3
1983	17	24.3
1984	25	24.3
1985	35	24.3
1986	36	24.3
1987	16	24.3
1988	28	24.3
1989	23	24.3
1990	19	22.5
1991	29	22.5
1992	13	22.5
1993	28	22.5
1994	36	22.5
1995	14	22.5
1996	17	22.5
1997	24	22.5
1998	19	22.5
1999	26	22.5
2000	22	25.5
2001	29	25.5
2002	31	25.5
2003	20	25.5

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

First to last qualifying date each year at Black Lake
Year	First date	Last date
1910	1910-07-30	1910-10-17
1911	1911-05-14	1911-10-27
1912	1912-05-14	1912-10-05
1913	1913-02-27	1913-12-04
1914	1914-04-11	1914-10-24
1915	1915-03-19	1915-09-25
1916	1916-01-06	1916-10-14
1917	1917-05-05	1917-11-15
1919	1919-01-13	1919-10-07
1920	1920-02-09	1920-10-31
1921	1921-06-04	1921-09-19
1922	1922-06-24	1922-11-24
1923	1923-06-07	1923-12-11
1924	1924-03-12	1924-10-22
1925	1925-06-20	1925-09-12
1926	1926-03-20	1926-10-30
1927	1927-02-15	1927-09-26
1928	1928-03-14	1928-11-17
1929	1929-05-19	1929-09-23
1930	1930-05-17	1930-11-19
1931	1931-07-01	1931-10-20
1932	1932-05-11	1932-09-23
1933	1933-03-30	1933-09-10
1934	1934-02-10	1934-11-20
1935	1935-01-07	1935-10-19
1936	1936-03-06	1936-09-27
1937	1937-03-13	1937-08-30
1938	1938-06-07	1938-10-07
1939	1939-04-04	1939-10-08
1940	1940-03-04	1940-11-24
1941	1941-03-14	1941-10-29
1943	1943-01-18	1943-12-09
1944	1944-01-26	1944-11-06
1945	1945-07-30	1945-09-29
1946	1946-03-04	1946-11-02
1947	1947-05-09	1947-12-31
1948	1948-03-10	1948-09-09
1949	1949-04-10	1949-09-30
1950	1950-04-13	1950-09-24
1951	1951-02-24	1951-12-30
1952	1952-04-20	1952-09-22
1953	1953-05-28	1953-11-06
1954	1954-05-01	1954-10-06
1955	1955-05-10	1955-12-02
1956	1956-01-29	1956-08-18
1957	1957-01-08	1957-10-22
1958	1958-04-08	1958-08-07
1959	1959-05-23	1959-10-31
1960	1960-03-01	1960-10-17
1961	1961-05-26	1961-10-27
1962	1962-03-08	1962-11-17
1963	1963-01-11	1963-09-21
1964	1964-02-12	1964-12-03
1965	1965-03-12	1965-12-10
1966	1966-05-26	1966-12-07
1969	1969-01-26	1969-12-04
1970	1970-04-01	1970-11-01
1971	1971-05-28	1971-10-25
1972	1972-04-12	1972-09-01
1973	1973-03-23	1973-10-10
1974	1974-01-01	1974-12-26
1975	1975-01-09	1975-11-19
1976	1976-03-29	1976-11-26
1977	1977-02-25	1977-11-08
1978	1978-03-28	1978-11-24
1979	1979-01-12	1979-10-31
1980	1980-01-20	1980-09-11
1981	1981-03-11	1981-10-03
1982	1982-02-04	1982-11-30
1983	1983-03-18	1983-12-28
1984	1984-03-22	1984-12-27
1985	1985-02-01	1985-12-09
1986	1986-01-05	1986-12-09
1987	1987-01-05	1987-11-16
1988	1988-04-16	1988-11-08
1989	1989-01-04	1989-12-01
1990	1990-01-18	1990-12-22
1991	1991-02-16	1991-12-11
1992	1992-01-07	1992-11-11
1993	1993-01-03	1993-11-22
1994	1994-02-27	1994-11-12
1995	1995-01-28	1995-11-27
1996	1996-01-18	1996-10-28
1997	1997-01-06	1997-12-10
1998	1998-02-26	1998-10-31
1999	1999-04-15	1999-12-03
2000	2000-01-26	2000-10-28
2001	2001-01-10	2001-12-30
2002	2002-01-15	2002-12-26
2003	2003-02-15	2003-12-07

Every Fixed Threshold

Fixed thresholds at Black Lake
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	90	36	1986	20
25 mm (0.98 in): Days with 25 mm or more rain	77	8	1998	1
50 mm (1.97 in): Days with 50 mm or more rain	11	1	1911	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1958	1
10 cm (3.9 in): Days with 10 cm or more snowfall	84	23	1993	9
25 cm (9.8 in): Days with 25 cm or more snowfall	43	3	1944	3
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1919	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

Data for Black Lake 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).

Black Lake Threshold Days by Year (USC00291000)

Key Facts for Black Lake Thresholds

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

Every Fixed Threshold

Download the Data

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