Conconully Threshold Days by Year (USC00451666)

18 fixed thresholds counted per year at Conconully (USC00451666): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Conconully Thresholds

Conconully: days with a maximum temperature at or above 30 C (86 F) in 82 years, most in 1925 with 54.
Conconully: days with a maximum temperature at or below 0 C (32 F) in 82 years, most in 1922 with 87.
Conconully: days with a maximum temperature at or above 90 F (32.2 C) in 80 years, most in 1958 with 35.
Conconully: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1948 with 193.
18 fixed thresholds have at least one qualifying day at Conconully.

Days at or above 30 C (86 F)

82 years with a qualifying day

Days per year at Conconully with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 1925.

Days at or above 30 C (86 F) per year at Conconully
Year	Days	Decade average
1900	19	27.3
1901	26	27.3
1902	13	27.3
1903	18	27.3
1904	45	27.3
1905	24	27.3
1906	42	27.3
1907	21	27.3
1908	42	27.3
1909	23	27.3
1910	26	25
1911	21	25
1912	22	25
1913	26	25
1915	21	25
1916	14	25
1917	37	25
1918	27	25
1919	31	25
1921	29	36.8
1922	28	36.8
1923	34	36.8
1924	53	36.8
1925	54	36.8
1926	40	36.8
1927	25	36.8
1928	34	36.8
1929	34	36.8
1930	34	31.9
1932	25	31.9
1933	35	31.9
1934	30	31.9
1935	19	31.9
1936	32	31.9
1937	24	31.9
1938	46	31.9
1939	42	31.9
1941	17	24.9
1942	33	24.9
1943	24	24.9
1944	36	24.9
1945	35	24.9
1948	5	24.9
1949	24	24.9
1950	21	24.9
1951	24	24.9
1952	24	24.9
1953	21	24.9
1954	12	24.9
1955	28	24.9
1956	23	24.9
1957	11	24.9
1958	53	24.9
1959	32	24.9
1960	24	26.5
1962	19	26.5
1968	25	26.5
1969	38	26.5
1970	49	28.6
1974	22	28.6
1975	15	28.6
1976	5	28.6
1977	36	28.6
1978	26	28.6
1979	47	28.6
1980	21	26.4
1981	35	26.4
1982	37	26.4
1983	20	26.4
1984	9	26.4
1985	32	26.4
1986	38	26.4
1989	19	26.4
1990	29	22.3
1991	21	22.3
1992	30	22.3
1993	11	22.3
1994	30	22.3
1995	13	22.3
2012	27	26.7
2013	23	26.7
2014	30	26.7

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

First to last qualifying date each year at Conconully
Year	First date	Last date
1900	1900-06-12	1900-08-20
1901	1901-05-26	1901-08-30
1902	1902-07-19	1902-08-11
1903	1903-05-30	1903-08-19
1904	1904-05-21	1904-09-16
1905	1905-07-08	1905-08-18
1906	1906-06-24	1906-09-20
1907	1907-06-25	1907-09-09
1908	1908-06-24	1908-09-12
1909	1909-06-14	1909-09-08
1910	1910-05-23	1910-09-20
1911	1911-06-12	1911-09-02
1912	1912-06-07	1912-08-24
1913	1913-07-18	1913-08-30
1915	1915-07-21	1915-09-04
1916	1916-06-16	1916-08-31
1917	1917-06-15	1917-09-22
1918	1918-06-09	1918-09-17
1919	1919-06-19	1919-08-25
1921	1921-06-23	1921-08-30
1922	1922-06-03	1922-09-11
1923	1923-06-28	1923-09-16
1924	1924-05-10	1924-09-15
1925	1925-05-07	1925-09-03
1926	1926-06-06	1926-08-25
1927	1927-07-17	1927-08-23
1928	1928-05-21	1928-09-23
1929	1929-05-22	1929-09-16
1930	1930-07-05	1930-09-05
1932	1932-06-12	1932-09-29
1933	1933-06-12	1933-08-28
1934	1934-05-24	1934-09-06
1935	1935-07-13	1935-09-09
1936	1936-06-22	1936-09-21
1937	1937-06-01	1937-09-20
1938	1938-05-27	1938-09-18
1939	1939-05-14	1939-09-20
1941	1941-07-06	1941-08-22
1942	1942-06-30	1942-09-23
1943	1943-07-07	1943-09-25
1944	1944-06-29	1944-09-12
1945	1945-06-20	1945-08-29
1948	1948-06-07	1948-07-31
1949	1949-05-10	1949-09-01
1950	1950-06-29	1950-09-04
1951	1951-06-14	1951-08-22
1952	1952-07-08	1952-09-18
1953	1953-07-06	1953-09-11
1954	1954-07-04	1954-08-13
1955	1955-06-09	1955-09-06
1956	1956-05-18	1956-08-23
1957	1957-06-01	1957-09-15
1958	1958-05-18	1958-08-28
1959	1959-05-13	1959-08-12
1960	1960-06-23	1960-09-12
1962	1962-06-18	1962-08-16
1968	1968-06-24	1968-08-11
1969	1969-05-24	1969-09-11
1970	1970-06-02	1970-08-27
1974	1974-06-15	1974-09-25
1975	1975-07-03	1975-09-08
1976	1976-07-16	1976-09-01
1977	1977-04-24	1977-08-22
1978	1978-06-02	1978-08-10
1979	1979-06-02	1979-09-20
1980	1980-07-07	1980-08-14
1981	1981-07-04	1981-09-19
1982	1982-06-11	1982-09-02
1983	1983-05-27	1983-08-14
1984	1984-08-01	1984-09-18
1985	1985-06-18	1985-08-25
1986	1986-05-26	1986-09-04
1989	1989-06-05	1989-08-12
1990	1990-07-10	1990-09-11
1991	1991-07-02	1991-08-22
1992	1992-05-06	1992-08-18
1993	1993-05-12	1993-09-11
1994	1994-06-22	1994-09-26
1995	1995-07-01	1995-09-16
2012	2012-07-09	2012-08-23
2013	2013-07-01	2013-09-17
2014	2014-07-03	2014-08-28

Every Fixed Threshold

Fixed thresholds at Conconully
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	82	54	1925	30
35 C (95 F): Days	60	16	1939	7
40 C (104 F): Days	5	1	1924	1
90 F (32.2 C): Days	80	35	1958	18
100 F (37.8 C): Days	13	5	1928	1
110 F (43.3 C): Days	1	1	1938	1
0 C (32 F): Ice days (max	82	87	1922	49
0 C (32 F): Frost days (min	79	193	1948	163
-10 C (14 F): Days with min	79	82	1985	33
-20 C (-4 F): Days with min	70	21	1916	5
-30 C (-22 F): Days with min	12	11	1950	2
20 C (68 F): Tropical nights (min	5	7	1904	1
25 C (77 F): Days with min	1	1	1904	1
10 mm (0.39 in): Days with 10 mm or more rain	78	22	1941	10
25 mm (0.98 in): Days with 25 mm or more rain	51	5	1982	2
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1902	1
10 cm (3.9 in): Days with 10 cm or more snowfall	17	8	1951	3
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	1952	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Conconully 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).

Conconully Threshold Days by Year (USC00451666)

Key Facts for Conconully Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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