Mc Cool Junction Threshold Days by Year (USC00255320)

7 fixed thresholds counted per year at Mc Cool Junction (USC00255320): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mc Cool Junction Thresholds

Mc Cool Junction: days with 10 mm (0.39 in) or more of precipitation in 98 years, most in 1993 with 38.
Mc Cool Junction: days with 25 mm (0.98 in) or more of precipitation in 98 years, most in 1973 with 14.
Mc Cool Junction: days with 50 mm (1.97 in) or more of precipitation in 69 years, most in 1902 with 6.
Mc Cool Junction: days with 10 cm (3.9 in) or more of snowfall in 55 years, most in 1919 with 5.
7 fixed thresholds have at least one qualifying day at Mc Cool Junction.

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

98 years with a qualifying day

Days per year at Mc Cool Junction with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1993.

Days with 10 mm (0.39 in) or more of precipitation per year at Mc Cool Junction
Year	Days	Decade average
1896	25	21.7
1898	23	21.7
1899	17	21.7
1902	30	26.5
1903	27	26.5
1904	23	26.5
1905	34	26.5
1906	21	26.5
1907	21	26.5
1908	28	26.5
1909	28	26.5
1910	23	23.4
1911	24	23.4
1912	18	23.4
1913	14	23.4
1914	25	23.4
1915	34	23.4
1916	27	23.4
1917	23	23.4
1918	20	23.4
1919	26	23.4
1920	26	21.9
1921	18	21.9
1922	16	21.9
1923	26	21.9
1924	29	21.9
1925	21	21.9
1926	20	21.9
1927	24	21.9
1928	17	21.9
1929	22	21.9
1930	18	20.5
1931	23	20.5
1932	23	20.5
1933	21	20.5
1934	16	20.5
1935	28	20.5
1936	17	20.5
1937	20	20.5
1938	23	20.5
1939	16	20.5
1940	23	23.8
1941	23	23.8
1942	23	23.8
1943	17	23.8
1944	33	23.8
1945	25	23.8
1946	25	23.8
1947	23	23.8
1948	20	23.8
1949	26	23.8
1950	18	20.6
1951	30	20.6
1952	25	20.6
1953	17	20.6
1954	17	20.6
1955	16	20.6
1956	12	20.6
1957	23	20.6
1958	20	20.6
1959	28	20.6
1961	26	23.4
1966	11	23.4
1967	24	23.4
1968	27	23.4
1969	29	23.4
1970	23	21.6
1971	21	21.6
1972	19	21.6
1973	30	21.6
1974	18	21.6
1975	19	21.6
1976	19	21.6
1977	26	21.6
1978	20	21.6
1979	21	21.6
1980	16	24.2
1981	26	24.2
1982	30	24.2
1983	25	24.2
1984	31	24.2
1985	23	24.2
1986	30	24.2
1987	28	24.2
1988	16	24.2
1989	17	24.2
1990	19	25.1
1991	21	25.1
1992	26	25.1
1993	38	25.1
1994	27	25.1
1995	22	25.1
1996	30	25.1
1997	23	25.1
1998	23	25.1
1999	22	25.1
2001	10	19.5
2007	29	19.5

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

First to last qualifying date each year at Mc Cool Junction
Year	First date	Last date
1896	1896-01-30	1896-11-25
1898	1898-01-17	1898-11-21
1899	1899-02-25	1899-12-09
1902	1902-05-04	1902-12-14
1903	1903-02-03	1903-11-03
1904	1904-04-06	1904-10-19
1905	1905-01-10	1905-11-27
1906	1906-04-03	1906-12-30
1907	1907-01-01	1907-10-02
1908	1908-03-05	1908-11-30
1909	1909-02-09	1909-12-24
1910	1910-01-04	1910-12-21
1911	1911-02-14	1911-12-25
1912	1912-02-12	1912-11-12
1913	1913-01-05	1913-11-29
1914	1914-02-22	1914-12-20
1915	1915-01-21	1915-12-23
1916	1916-02-27	1916-12-31
1917	1917-01-20	1917-12-06
1918	1918-01-09	1918-12-20
1919	1919-02-01	1919-12-08
1920	1920-02-04	1920-12-20
1921	1921-01-24	1921-10-28
1922	1922-01-29	1922-11-11
1923	1923-03-03	1923-11-11
1924	1924-02-23	1924-12-22
1925	1925-03-12	1925-12-13
1926	1926-02-17	1926-12-08
1927	1927-02-12	1927-09-25
1928	1928-05-03	1928-11-29
1929	1929-02-24	1929-11-09
1930	1930-01-10	1930-11-19
1931	1931-03-07	1931-12-31
1932	1932-01-05	1932-12-10
1933	1933-01-21	1933-12-01
1934	1934-02-17	1934-11-27
1935	1935-02-13	1935-11-26
1936	1936-01-14	1936-12-05
1937	1937-01-07	1937-10-16
1938	1938-02-14	1938-11-03
1939	1939-02-08	1939-12-26
1940	1940-01-07	1940-12-16
1941	1941-01-23	1941-12-26
1942	1942-04-16	1942-12-27
1943	1943-02-03	1943-10-23
1944	1944-01-27	1944-11-25
1945	1945-02-25	1945-12-24
1946	1946-03-05	1946-11-09
1947	1947-01-30	1947-12-04
1948	1948-01-01	1948-11-20
1949	1949-01-03	1949-10-10
1950	1950-04-03	1950-10-02
1951	1951-02-25	1951-11-25
1952	1952-02-13	1952-12-22
1953	1953-03-31	1953-12-03
1954	1954-02-19	1954-10-26
1955	1955-02-04	1955-09-25
1956	1956-04-03	1956-11-05
1957	1957-03-18	1957-10-07
1958	1958-02-27	1958-11-18
1959	1959-02-10	1959-10-08
1961	1961-03-06	1961-12-11
1966	1966-02-09	1966-12-28
1967	1967-04-13	1967-12-17
1968	1968-04-03	1968-12-22
1969	1969-02-14	1969-11-05
1970	1970-04-18	1970-10-11
1971	1971-02-18	1971-10-29
1972	1972-04-21	1972-11-12
1973	1973-03-11	1973-12-25
1974	1974-03-11	1974-12-14
1975	1975-02-04	1975-11-26
1976	1976-01-01	1976-10-04
1977	1977-03-11	1977-11-08
1978	1978-04-05	1978-11-24
1979	1979-03-03	1979-11-21
1980	1980-01-16	1980-10-27
1981	1981-03-04	1981-12-16
1982	1982-01-21	1982-12-26
1983	1983-03-04	1983-11-27
1984	1984-02-17	1984-12-20
1985	1985-03-02	1985-11-17
1986	1986-02-03	1986-12-07
1987	1987-03-16	1987-10-31
1988	1988-01-18	1988-11-15
1989	1989-01-27	1989-09-11
1990	1990-01-19	1990-11-02
1991	1991-02-28	1991-12-31
1992	1992-02-13	1992-11-18
1993	1993-01-19	1993-12-12
1994	1994-01-25	1994-12-05
1995	1995-03-05	1995-10-31
1996	1996-01-17	1996-11-16
1997	1997-04-29	1997-11-29
1998	1998-03-07	1998-11-03
1999	1999-03-09	1999-11-23
2001	2001-01-30	2001-11-24
2007	2007-01-20	2007-12-12

Every Fixed Threshold

Fixed thresholds at Mc Cool Junction
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	98	38	1993	29
25 mm (0.98 in): Days with 25 mm or more rain	98	14	1973	10
50 mm (1.97 in): Days with 50 mm or more rain	69	6	1902	3
100 mm (3.94 in): Days with 100 mm or more rain	12	1	1896	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1950	1
10 cm (3.9 in): Days with 10 cm or more snowfall	55	5	1919	4
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	1932	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Mc Cool Junction 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).

Mc Cool Junction Threshold Days by Year (USC00255320)

Key Facts for Mc Cool Junction Thresholds

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

Every Fixed Threshold

Download the Data

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