Ashland Exp Farm Threshold Days by Year (USC00470349)

19 fixed thresholds counted per year at Ashland Exp Farm (USC00470349): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ashland Exp Farm Thresholds

Ashland Exp Farm: nights with a minimum temperature at or below 0 C (32 F) in 85 years, most in 1917 with 226.
Ashland Exp Farm: nights with a minimum temperature at or below -10 C (14 F) in 85 years, most in 1916 with 107.
Ashland Exp Farm: nights with a minimum temperature at or below -20 C (-4 F) in 85 years, most in 1917 with 66.
Ashland Exp Farm: days with a maximum temperature at or above 30 C (86 F) in 84 years, most in 1921 with 44.
19 fixed thresholds have at least one qualifying day at Ashland Exp Farm.

Days at or above 30 C (86 F)

84 years with a qualifying day

Days per year at Ashland Exp Farm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 1921.

Days at or above 30 C (86 F) per year at Ashland Exp Farm
Year	Days	Decade average
1908	30	22.5
1909	15	22.5
1910	31	18.7
1911	15	18.7
1912	17	18.7
1913	20	18.7
1914	16	18.7
1915	6	18.7
1916	29	18.7
1917	13	18.7
1918	11	18.7
1919	29	18.7
1920	13	19.5
1921	44	19.5
1922	21	19.5
1923	18	19.5
1924	8	19.5
1925	29	19.5
1926	15	19.5
1927	9	19.5
1928	9	19.5
1929	29	19.5
1930	24	24
1931	28	24
1932	16	24
1933	26	24
1934	24	24
1935	21	24
1936	32	24
1937	30	24
1938	20	24
1939	19	24
1940	14	17.7
1941	23	17.7
1942	9	17.7
1943	21	17.7
1944	19	17.7
1945	13	17.7
1946	10	17.7
1947	24	17.7
1948	25	17.7
1949	19	17.7
1950	10	12.7
1951	3	12.7
1952	12	12.7
1953	15	12.7
1954	12	12.7
1956	9	12.7
1957	15	12.7
1958	12	12.7
1959	26	12.7
1960	19	16.3
1961	23	16.3
1962	8	16.3
1963	19	16.3
1964	26	16.3
1965	9	16.3
1966	24	16.3
1967	4	16.3
1968	7	16.3
1969	24	16.3
1970	35	19.8
1971	14	19.8
1972	12	19.8
1973	16	19.8
1974	16	19.8
1975	28	19.8
1976	40	19.8
1977	15	19.8
1978	18	19.8
1979	4	19.8
1980	27	17
1981	4	17
1982	3	17
1983	28	17
1984	15	17
1985	7	17
1986	15	17
1987	31	17
1989	23	17
1990	21	14.8
1991	19	14.8
1992	12	14.8
1993	7	14.8

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

First to last qualifying date each year at Ashland Exp Farm
Year	First date	Last date
1908	1908-06-06	1908-10-16
1909	1909-06-16	1909-08-21
1910	1910-06-13	1910-10-17
1911	1911-05-18	1911-08-20
1912	1912-06-22	1912-10-05
1913	1913-04-30	1913-09-06
1914	1914-05-17	1914-09-20
1915	1915-04-24	1915-09-05
1916	1916-07-01	1916-08-20
1917	1917-07-08	1917-08-22
1918	1918-05-05	1918-08-28
1919	1919-05-28	1919-09-07
1920	1920-06-07	1920-09-25
1921	1921-04-24	1921-09-01
1922	1922-06-04	1922-10-04
1923	1923-06-16	1923-09-27
1924	1924-06-22	1924-08-31
1925	1925-05-19	1925-09-17
1926	1926-05-06	1926-08-27
1927	1927-06-28	1927-09-17
1928	1928-05-09	1928-08-19
1929	1929-05-28	1929-09-03
1930	1930-05-21	1930-09-23
1931	1931-05-15	1931-10-02
1932	1932-05-14	1932-08-30
1933	1933-06-01	1933-09-05
1934	1934-04-30	1934-08-18
1935	1935-07-03	1935-09-24
1936	1936-05-16	1936-09-22
1937	1937-05-29	1937-09-23
1938	1938-06-20	1938-10-10
1939	1939-05-30	1939-09-15
1940	1940-06-02	1940-09-19
1941	1941-05-19	1941-09-21
1942	1942-07-11	1942-08-28
1943	1943-06-14	1943-08-31
1944	1944-05-28	1944-09-17
1945	1945-06-22	1945-09-07
1946	1946-06-22	1946-08-16
1947	1947-06-28	1947-09-10
1948	1948-05-20	1948-09-17
1949	1949-05-03	1949-08-26
1950	1950-05-23	1950-08-15
1951	1951-07-25	1951-07-29
1952	1952-04-27	1952-08-14
1953	1953-05-07	1953-10-02
1954	1954-06-09	1954-08-24
1956	1956-06-08	1956-08-14
1957	1957-07-02	1957-09-01
1958	1958-05-13	1958-08-11
1959	1959-05-01	1959-09-07
1960	1960-07-08	1960-09-07
1961	1961-06-04	1961-10-06
1962	1962-05-15	1962-08-27
1963	1963-06-24	1963-08-07
1964	1964-05-21	1964-08-27
1965	1965-06-27	1965-08-15
1966	1966-05-26	1966-08-17
1967	1967-07-20	1967-07-23
1968	1968-06-04	1968-08-22
1969	1969-05-27	1969-08-30
1970	1970-05-18	1970-09-07
1971	1971-06-06	1971-09-04
1972	1972-05-19	1972-08-21
1973	1973-06-15	1973-09-01
1974	1974-05-21	1974-08-20
1975	1975-06-21	1975-08-25
1976	1976-06-04	1976-09-12
1977	1977-04-10	1977-07-20
1978	1978-05-26	1978-09-07
1979	1979-07-11	1979-08-07
1980	1980-04-22	1980-09-08
1981	1981-07-05	1981-07-08
1982	1982-07-05	1982-07-17
1983	1983-06-11	1983-09-03
1984	1984-06-27	1984-09-20
1985	1985-07-13	1985-09-20
1986	1986-05-29	1986-08-16
1987	1987-04-19	1987-09-27
1989	1989-06-20	1989-08-12
1990	1990-04-23	1990-09-13
1991	1991-05-13	1991-08-31
1992	1992-05-01	1992-10-03
1993	1993-06-21	1993-08-27

Every Fixed Threshold

Fixed thresholds at Ashland Exp Farm
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	84	44	1921	7
35 C (95 F): Days	43	9	1921	1
40 C (104 F): Days	2	4	1936	4
90 F (32.2 C): Days	80	23	1921	1
100 F (37.8 C): Days	7	6	1936	1
0 C (32 F): Ice days (max	84	107	1978	80
0 C (32 F): Frost days (min	85	226	1917	187
-10 C (14 F): Days with min	85	107	1916	66
-20 C (-4 F): Days with min	85	66	1917	28
-30 C (-22 F): Days with min	74	11	1936	1
-40 C (-40 F): Days with min	2	1	1979	1
20 C (68 F): Tropical nights (min	64	5	1929	4
25 C (77 F): Days with min	1	1	1938	1
10 mm (0.39 in): Days with 10 mm or more rain	81	38	1951	5
25 mm (0.98 in): Days with 25 mm or more rain	80	12	1951	4
50 mm (1.97 in): Days with 50 mm or more rain	38	4	1991	2
100 mm (3.94 in): Days with 100 mm or more rain	6	1	1909	1
10 cm (3.9 in): Days with 10 cm or more snowfall	65	9	1929	3
25 cm (9.8 in): Days with 25 cm or more snowfall	21	2	1985	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Ashland Exp Farm 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Ashland Exp Farm Threshold Days by Year (USC00470349)

Key Facts for Ashland Exp Farm Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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