Clinton Forestry HQ Threshold Days by Year (USC00161891)

16 fixed thresholds counted per year at Clinton Forestry HQ (USC00161891): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clinton Forestry HQ Thresholds

Clinton Forestry HQ: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1908 with 64.
Clinton Forestry HQ: days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 1980 with 31.
Clinton Forestry HQ: days with 50 mm (1.97 in) or more of precipitation in 82 years, most in 1905 with 12.
Clinton Forestry HQ: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 1963 with 168.
16 fixed thresholds have at least one qualifying day at Clinton Forestry HQ.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Clinton Forestry HQ with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 168 in 1963.

Days at or above 30 C (86 F) per year at Clinton Forestry HQ
Year	Days	Decade average
1897	124	132
1898	120	132
1899	152	132
1900	116	108.6
1902	126	108.6
1903	101	108.6
1904	116	108.6
1905	109	108.6
1906	113	108.6
1907	107	108.6
1908	87	108.6
1909	102	108.6
1910	119	112.8
1911	125	112.8
1912	103	112.8
1913	91	112.8
1914	120	112.8
1915	135	112.8
1916	116	112.8
1917	105	112.8
1918	120	112.8
1919	94	112.8
1920	111	117.6
1921	115	117.6
1922	120	117.6
1923	100	117.6
1924	124	117.6
1925	135	117.6
1926	117	117.6
1928	115	117.6
1929	121	117.6
1930	111	113.5
1939	116	113.5
1940	85	121
1941	108	121
1942	122	121
1943	125	121
1944	128	121
1946	130	121
1947	137	121
1948	133	121
1950	153	147
1951	156	147
1952	140	147
1953	147	147
1954	148	147
1955	157	147
1956	145	147
1957	138	147
1958	136	147
1959	150	147
1960	139	130.1
1961	123	130.1
1962	159	130.1
1963	168	130.1
1964	129	130.1
1965	139	130.1
1966	108	130.1
1967	98	130.1
1968	117	130.1
1969	121	130.1
1970	131	132
1971	131	132
1972	149	132
1973	132	132
1974	117	132

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

First to last qualifying date each year at Clinton Forestry HQ
Year	First date	Last date
1897	1897-05-08	1897-10-15
1898	1898-03-22	1898-10-11
1899	1899-03-26	1899-10-25
1900	1900-03-12	1900-11-21
1902	1902-04-30	1902-10-24
1903	1903-05-19	1903-10-15
1904	1904-04-24	1904-10-12
1905	1905-05-05	1905-10-19
1906	1906-05-16	1906-09-29
1907	1907-03-22	1907-10-08
1908	1908-03-19	1908-11-07
1909	1909-04-23	1909-10-23
1910	1910-03-23	1910-10-21
1911	1911-03-07	1911-10-07
1912	1912-04-27	1912-10-12
1913	1913-04-04	1913-10-09
1914	1914-05-05	1914-10-12
1915	1915-04-22	1915-11-12
1916	1916-03-22	1916-10-15
1917	1917-03-21	1917-10-29
1918	1918-03-01	1918-10-07
1919	1919-06-05	1919-10-28
1920	1920-04-15	1920-10-24
1921	1921-05-11	1921-10-26
1922	1922-04-09	1922-10-06
1923	1923-05-15	1923-10-03
1924	1924-05-19	1924-10-21
1925	1925-04-15	1925-10-16
1926	1926-05-28	1926-10-18
1928	1928-03-29	1928-10-16
1929	1929-03-23	1929-10-13
1930	1930-04-07	1930-10-10
1939	1939-05-21	1939-10-27
1940	1940-03-12	1940-10-06
1941	1941-05-09	1941-10-27
1942	1942-04-19	1942-10-19
1943	1943-04-11	1943-10-12
1944	1944-05-12	1944-10-27
1946	1946-03-30	1946-11-10
1947	1947-04-05	1947-10-25
1948	1948-04-13	1948-12-17
1950	1950-03-25	1950-11-09
1951	1951-04-20	1951-12-01
1952	1952-04-01	1952-10-05
1953	1953-04-18	1953-10-23
1954	1954-04-06	1954-10-14
1955	1955-03-11	1955-11-23
1956	1956-04-28	1956-11-02
1957	1957-02-04	1957-09-22
1958	1958-04-20	1958-11-15
1959	1959-04-19	1959-10-13
1960	1960-04-15	1960-10-16
1961	1961-04-27	1961-10-13
1962	1962-04-11	1962-10-20
1963	1963-03-13	1963-10-28
1964	1964-04-22	1964-11-12
1965	1965-04-09	1965-10-11
1966	1966-04-13	1966-10-09
1967	1967-03-15	1967-09-22
1968	1968-05-13	1968-10-12
1969	1969-05-20	1969-10-11
1970	1970-04-17	1970-10-24
1971	1971-04-20	1971-10-05
1972	1972-04-12	1972-10-22
1973	1973-05-09	1973-10-13
1974	1974-03-31	1974-09-28

Every Fixed Threshold

Fixed thresholds at Clinton Forestry HQ
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	168	1963	117
35 C (95 F): Days	58	59	1954	1
40 C (104 F): Days	1	1	1943	1
90 F (32.2 C): Days	66	115	1951	72
100 F (37.8 C): Days	20	20	1960	6
0 C (32 F): Ice days (max	15	4	1940	1
0 C (32 F): Frost days (min	63	62	1963	28
-10 C (14 F): Days with min	16	5	1962	1
20 C (68 F): Tropical nights (min	63	136	1905	75
25 C (77 F): Days with min	28	6	1897	1
10 mm (0.39 in): Days with 10 mm or more rain	82	64	1908	42
25 mm (0.98 in): Days with 25 mm or more rain	82	31	1980	19
50 mm (1.97 in): Days with 50 mm or more rain	82	12	1905	8
100 mm (3.94 in): Days with 100 mm or more rain	40	4	1900	2
200 mm (7.87 in): Days with 200 mm or more rain	5	1	1903	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	1	1914	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Clinton Forestry HQ 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).

Clinton Forestry HQ Threshold Days by Year (USC00161891)

Key Facts for Clinton Forestry HQ Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related