Canfield 1 S Threshold Days by Year (USC00331245)

18 fixed thresholds counted per year at Canfield 1 S (USC00331245): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Canfield 1 S Thresholds

Canfield 1 S: days with a maximum temperature at or above 30 C (86 F) in 79 years, most in 1991 with 62.
Canfield 1 S: days with a maximum temperature at or below 0 C (32 F) in 79 years, most in 1960 with 64.
Canfield 1 S: nights with a minimum temperature at or below 0 C (32 F) in 76 years, most in 1917 with 168.
Canfield 1 S: nights with a minimum temperature at or below -10 C (14 F) in 76 years, most in 1985 with 61.
18 fixed thresholds have at least one qualifying day at Canfield 1 S.

Days at or above 30 C (86 F)

79 years with a qualifying day

Days per year at Canfield 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 1991.

Days at or above 30 C (86 F) per year at Canfield 1 S
Year	Days	Decade average
1917	23	31.7
1918	39	31.7
1919	33	31.7
1920	1	26.8
1921	44	26.8
1922	29	26.8
1923	16	26.8
1924	16	26.8
1925	42	26.8
1926	25	26.8
1927	24	26.8
1928	41	26.8
1929	30	26.8
1930	43	37.3
1931	42	37.3
1932	34	37.3
1933	47	37.3
1934	52	37.3
1935	24	37.3
1936	47	37.3
1937	29	37.3
1938	25	37.3
1939	30	37.3
1940	24	30.2
1941	30	30.2
1942	33	30.2
1943	26	30.2
1944	36	30.2
1945	32	30.2
1946	26	30.2
1947	29	30.2
1948	28	30.2
1949	38	30.2
1950	16	30.5
1951	29	30.5
1952	44	30.5
1953	38	30.5
1954	37	30.5
1955	40	30.5
1956	12	30.5
1957	30	30.5
1958	12	30.5
1959	47	30.5
1960	27	31.7
1961	37	31.7
1962	41	31.7
1963	21	31.7
1964	46	31.7
1965	27	31.7
1966	45	31.7
1967	19	31.7
1968	32	31.7
1969	22	31.7
1970	37	21.8
1971	28	21.8
1972	13	21.8
1973	29	21.8
1974	18	21.8
1975	17	21.8
1976	19	21.8
1977	25	21.8
1978	19	21.8
1979	13	21.8
1980	17	28.2
1981	20	28.2
1982	13	28.2
1983	36	28.2
1985	19	28.2
1986	18	28.2
1987	38	28.2
1988	49	28.2
1989	44	28.2
1990	38	32.4
1991	62	32.4
1992	13	32.4
1993	50	32.4
1995	36	32.4
1996	12	32.4
1997	16	32.4

For each year, a bar from the first to the last day at Canfield 1 S meeting 30 C (86 F).

First to last qualifying date each year at Canfield 1 S
Year	First date	Last date
1917	1917-06-07	1917-08-21
1918	1918-05-05	1918-08-25
1919	1919-05-30	1919-09-08
1920	1920-06-10	1920-06-10
1921	1921-05-31	1921-09-09
1922	1922-06-17	1922-10-06
1923	1923-06-01	1923-08-07
1924	1924-06-20	1924-08-31
1925	1925-04-23	1925-09-20
1926	1926-06-13	1926-10-01
1927	1927-05-21	1927-10-02
1928	1928-05-04	1928-10-11
1929	1929-05-27	1929-09-28
1930	1930-05-11	1930-09-15
1931	1931-06-13	1931-09-22
1932	1932-05-26	1932-09-23
1933	1933-06-06	1933-09-25
1934	1934-05-19	1934-09-25
1935	1935-06-14	1935-09-19
1936	1936-05-07	1936-09-23
1937	1937-05-31	1937-09-24
1938	1938-06-24	1938-09-04
1939	1939-05-26	1939-10-08
1940	1940-05-19	1940-09-21
1941	1941-05-21	1941-09-09
1942	1942-04-30	1942-09-18
1943	1943-06-03	1943-09-06
1944	1944-05-31	1944-09-03
1945	1945-06-14	1945-09-10
1946	1946-06-25	1946-09-28
1947	1947-06-10	1947-09-20
1948	1948-04-26	1948-09-17
1949	1949-05-05	1949-10-10
1950	1950-06-08	1950-08-28
1951	1951-06-01	1951-10-05
1952	1952-06-06	1952-09-14
1953	1953-06-04	1953-10-03
1954	1954-06-09	1954-09-29
1955	1955-06-06	1955-09-19
1956	1956-06-13	1956-08-19
1957	1957-06-13	1957-09-03
1958	1958-04-19	1958-09-04
1959	1959-05-06	1959-09-29
1960	1960-06-04	1960-09-09
1961	1961-06-11	1961-09-25
1962	1962-05-14	1962-09-14
1963	1963-06-06	1963-08-08
1964	1964-05-19	1964-09-17
1965	1965-05-09	1965-09-20
1966	1966-06-09	1966-09-03
1967	1967-05-27	1967-08-02
1968	1968-06-07	1968-09-04
1969	1969-05-29	1969-08-30
1970	1970-06-09	1970-09-25
1971	1971-06-05	1971-09-11
1972	1972-06-19	1972-08-24
1973	1973-06-10	1973-09-05
1974	1974-06-09	1974-08-20
1975	1975-05-21	1975-08-24
1976	1976-04-18	1976-09-09
1977	1977-05-17	1977-09-01
1978	1978-05-29	1978-09-20
1979	1979-05-09	1979-09-04
1980	1980-06-26	1980-09-01
1981	1981-06-14	1981-09-01
1982	1982-07-15	1982-09-14
1983	1983-06-13	1983-09-20
1985	1985-04-23	1985-09-09
1986	1986-04-28	1986-09-29
1987	1987-05-27	1987-08-17
1988	1988-05-29	1988-08-17
1989	1989-06-01	1989-09-21
1990	1990-04-24	1990-09-01
1991	1991-05-13	1991-09-16
1992	1992-06-13	1992-08-26
1993	1993-05-10	1993-09-14
1995	1995-06-18	1995-08-31
1996	1996-05-19	1996-08-23
1997	1997-06-20	1997-08-16

Every Fixed Threshold

Fixed thresholds at Canfield 1 S
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	79	62	1991	16
35 C (95 F): Days	35	13	1988	1
40 C (104 F): Days	1	1	1936	1
90 F (32.2 C): Days	73	31	1988	4
100 F (37.8 C): Days	4	3	1918	3
0 C (32 F): Ice days (max	79	64	1960	32
0 C (32 F): Frost days (min	76	168	1917	157
-10 C (14 F): Days with min	76	61	1985	33
-20 C (-4 F): Days with min	60	17	1977	6
-30 C (-22 F): Days with min	3	3	1985	3
20 C (68 F): Tropical nights (min	76	21	1921	3
25 C (77 F): Days with min	2	1	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	74	43	1978	23
25 mm (0.98 in): Days with 25 mm or more rain	73	13	1990	8
50 mm (1.97 in): Days with 50 mm or more rain	32	3	1939	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1982	1
10 cm (3.9 in): Days with 10 cm or more snowfall	40	6	1917	4
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

Data for Canfield 1 S 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).

Canfield 1 S Threshold Days by Year (USC00331245)

Key Facts for Canfield 1 S Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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