Clinton Threshold Days by Year (USC00191561)

18 fixed thresholds counted per year at Clinton (USC00191561): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clinton Thresholds

Clinton: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1983 with 57.
Clinton: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1936 with 24.
Clinton: days with 50 mm (1.97 in) or more of precipitation in 56 years, most in 1920 with 8.
Clinton: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1983 with 51.
18 fixed thresholds have at least one qualifying day at Clinton.

Days at or above 30 C (86 F)

40 years with a qualifying day

Days per year at Clinton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 1983.

Days at or above 30 C (86 F) per year at Clinton
Year	Days	Decade average
1905	16	16
1910	7	11.2
1911	16	11.2
1912	12	11.2
1913	12	11.2
1914	9	11.2
1949	28	28
1953	23	14.4
1954	6	14.4
1955	10	14.4
1956	10	14.4
1957	21	14.4
1958	4	14.4
1959	27	14.4
1960	5	12.9
1961	18	12.9
1962	4	12.9
1963	16	12.9
1964	18	12.9
1965	16	12.9
1966	18	12.9
1967	9	12.9
1968	12	12.9
1969	13	12.9
1970	24	23.7
1971	33	23.7
1972	5	23.7
1973	27	23.7
1974	24	23.7
1975	13	23.7
1976	24	23.7
1977	28	23.7
1978	26	23.7
1979	33	23.7
1980	36	28
1981	22	28
1982	18	28
1983	51	28
1984	27	28
1985	14	28

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

First to last qualifying date each year at Clinton
Year	First date	Last date
1905	1905-06-15	1905-08-22
1910	1910-07-02	1910-07-25
1911	1911-05-11	1911-08-15
1912	1912-06-29	1912-09-11
1913	1913-05-06	1913-08-18
1914	1914-05-27	1914-09-23
1949	1949-05-06	1949-08-29
1953	1953-05-12	1953-09-08
1954	1954-06-23	1954-08-26
1955	1955-05-26	1955-08-23
1956	1956-06-01	1956-08-18
1957	1957-06-15	1957-09-17
1958	1958-07-02	1958-08-05
1959	1959-05-13	1959-09-29
1960	1960-07-13	1960-09-09
1961	1961-05-15	1961-09-13
1962	1962-05-20	1962-07-09
1963	1963-06-25	1963-07-30
1964	1964-05-10	1964-08-31
1965	1965-05-11	1965-09-23
1966	1966-06-06	1966-09-03
1967	1967-06-03	1967-07-11
1968	1968-06-07	1968-08-26
1969	1969-05-30	1969-09-02
1970	1970-05-11	1970-09-26
1971	1971-06-08	1971-09-18
1972	1972-07-13	1972-07-23
1973	1973-04-23	1973-09-05
1974	1974-04-30	1974-09-14
1975	1975-05-21	1975-08-11
1976	1976-04-19	1976-09-15
1977	1977-05-18	1977-09-03
1978	1978-05-29	1978-08-30
1979	1979-05-10	1979-10-23
1980	1980-05-23	1980-09-23
1981	1981-05-26	1981-09-15
1982	1982-07-08	1982-09-12
1983	1983-06-13	1983-09-21
1984	1984-06-08	1984-08-17
1985	1985-05-12	1985-09-09

Every Fixed Threshold

Fixed thresholds at Clinton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	40	51	1983	14
35 C (95 F): Days	14	4	1911	1
90 F (32.2 C): Days	37	18	1980	2
100 F (37.8 C): Days	1	1	1911	1
0 C (32 F): Ice days (max	40	60	1985	60
0 C (32 F): Frost days (min	38	174	1974	147
-10 C (14 F): Days with min	38	63	1980	56
-20 C (-4 F): Days with min	32	15	1914	2
-30 C (-22 F): Days with min	1	2	1984	2
20 C (68 F): Tropical nights (min	38	22	1978	8
25 C (77 F): Days with min	1	1	1911	1
10 mm (0.39 in): Days with 10 mm or more rain	63	57	1983	34
25 mm (0.98 in): Days with 25 mm or more rain	63	24	1936	10
50 mm (1.97 in): Days with 50 mm or more rain	56	8	1920	3
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1923	1
10 cm (3.9 in): Days with 10 cm or more snowfall	40	11	1956	1
25 cm (9.8 in): Days with 25 cm or more snowfall	22	3	1947	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Clinton 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 Threshold Days by Year (USC00191561)

Key Facts for Clinton Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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