Steffenville Threshold Days by Year (USC00238051)

20 fixed thresholds counted per year at Steffenville (USC00238051): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Steffenville Thresholds

Steffenville: days with 10 mm (0.39 in) or more of precipitation in 124 years, most in 1973 with 46.
Steffenville: days with 25 mm (0.98 in) or more of precipitation in 124 years, most in 2008 with 21.
Steffenville: nights with a minimum temperature at or below 0 C (32 F) in 123 years, most in 1917 with 142.
Steffenville: nights with a minimum temperature at or below -10 C (14 F) in 123 years, most in 1977 with 56.
20 fixed thresholds have at least one qualifying day at Steffenville.

Days at or above 30 C (86 F)

122 years with a qualifying day

Days per year at Steffenville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 113 in 1914.

Days at or above 30 C (86 F) per year at Steffenville
Year	Days	Decade average
1898	53	59
1899	65	59
1900	74	58.7
1901	107	58.7
1902	54	58.7
1903	33	58.7
1904	26	58.7
1905	48	58.7
1906	69	58.7
1907	51	58.7
1908	65	58.7
1909	60	58.7
1910	52	90.3
1911	108	90.3
1912	89	90.3
1913	108	90.3
1914	113	90.3
1915	58	90.3
1916	91	90.3
1917	85	90.3
1918	100	90.3
1919	99	90.3
1920	79	70.4
1921	96	70.4
1922	93	70.4
1923	70	70.4
1924	56	70.4
1925	79	70.4
1926	69	70.4
1927	57	70.4
1928	54	70.4
1929	51	70.4
1930	88	79.9
1931	88	79.9
1932	49	79.9
1933	73	79.9
1934	92	79.9
1935	62	79.9
1936	107	79.9
1937	82	79.9
1938	77	79.9
1939	81	79.9
1940	78	70.8
1941	76	70.8
1942	64	70.8
1943	83	70.8
1944	94	70.8
1945	52	70.8
1946	66	70.8
1947	70	70.8
1948	62	70.8
1949	63	70.8
1950	35	63.5
1951	29	63.5
1952	82	63.5
1953	93	63.5
1954	81	63.5
1955	72	63.5
1956	81	63.5
1957	48	63.5
1958	40	63.5
1959	74	63.5
1960	56	57.6
1961	55	57.6
1962	70	57.6
1963	72	57.6
1964	70	57.6
1965	51	57.6
1966	47	57.6
1967	40	57.6
1968	57	57.6
1969	58	57.6
1970	55	59.9
1971	76	59.9
1973	55	59.9
1974	41	59.9
1975	69	59.9
1976	63	59.9
1977	60	59.9
1979	60	59.9
1980	71	58.4
1981	35	58.4
1982	29	58.4
1983	83	58.4
1984	60	58.4
1985	44	58.4
1986	48	58.4
1987	69	58.4
1988	86	58.4
1989	59	58.4
1990	61	57.8
1991	81	57.8
1992	39	57.8
1993	46	57.8
1994	57	57.8
1995	58	57.8
1996	44	57.8
1997	62	57.8
1998	61	57.8
1999	69	57.8
2000	68	54.1
2001	59	54.1
2003	39	54.1
2004	28	54.1
2005	82	54.1
2006	64	54.1
2007	83	54.1
2008	38	54.1
2009	26	54.1
2014	38	55.3
2015	40	55.3
2016	60	55.3
2017	58	55.3
2018	81	55.3
2019	55	55.3
2020	46	61.6
2021	58	61.6
2022	65	61.6
2023	67	61.6
2024	65	61.6
2025	67	61.6
2026	63	61.6

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

First to last qualifying date each year at Steffenville
Year	First date	Last date
1898	1898-06-02	1898-10-03
1899	1899-04-29	1899-10-22
1900	1900-05-12	1900-10-06
1901	1901-04-28	1901-10-22
1902	1902-04-21	1902-08-29
1903	1903-06-29	1903-09-12
1904	1904-05-25	1904-09-28
1905	1905-05-11	1905-09-30
1906	1906-05-16	1906-09-25
1907	1907-03-20	1907-10-22
1908	1908-05-12	1908-10-17
1909	1909-04-29	1909-10-03
1910	1910-03-22	1910-10-18
1911	1911-05-10	1911-10-03
1912	1912-05-03	1912-10-09
1913	1913-04-30	1913-10-05
1914	1914-04-16	1914-09-30
1915	1915-04-23	1915-10-03
1916	1916-05-05	1916-10-08
1917	1917-05-17	1917-10-15
1918	1918-03-13	1918-10-16
1919	1919-05-28	1919-10-09
1920	1920-05-22	1920-10-14
1921	1921-05-18	1921-09-28
1922	1922-05-10	1922-10-30
1923	1923-05-26	1923-09-29
1924	1924-04-16	1924-10-18
1925	1925-04-22	1925-09-28
1926	1926-05-17	1926-10-03
1927	1927-05-22	1927-10-28
1928	1928-03-25	1928-10-12
1929	1929-05-28	1929-09-28
1930	1930-04-10	1930-10-12
1931	1931-05-16	1931-10-10
1932	1932-05-04	1932-09-06
1933	1933-05-20	1933-09-25
1934	1934-05-06	1934-09-25
1935	1935-06-15	1935-10-16
1936	1936-04-20	1936-09-23
1937	1937-05-29	1937-10-29
1938	1938-05-18	1938-10-17
1939	1939-05-17	1939-10-25
1940	1940-05-05	1940-10-25
1941	1941-04-13	1941-09-21
1942	1942-04-30	1942-09-19
1943	1943-05-05	1943-09-06
1944	1944-05-15	1944-09-20
1945	1945-05-20	1945-09-23
1946	1946-06-06	1946-10-07
1947	1947-05-14	1947-10-14
1948	1948-05-28	1948-09-20
1949	1949-05-03	1949-10-08
1950	1950-05-04	1950-10-31
1951	1951-04-28	1951-10-04
1952	1952-04-29	1952-09-30
1953	1953-05-24	1953-10-20
1954	1954-04-24	1954-10-04
1955	1955-05-03	1955-09-29
1956	1956-04-27	1956-10-12
1957	1957-06-06	1957-09-19
1958	1958-05-31	1958-09-24
1959	1959-05-02	1959-09-23
1960	1960-04-22	1960-10-12
1961	1961-05-31	1961-09-11
1962	1962-05-05	1962-10-11
1963	1963-05-08	1963-10-15
1964	1964-05-05	1964-09-21
1965	1965-04-23	1965-09-19
1966	1966-05-05	1966-09-02
1967	1967-05-18	1967-10-04
1968	1968-05-01	1968-09-07
1969	1969-05-28	1969-10-04
1970	1970-04-28	1970-09-21
1971	1971-04-12	1971-10-01
1973	1973-06-09	1973-09-03
1974	1974-06-15	1974-08-27
1975	1975-05-19	1975-10-14
1976	1976-06-09	1976-10-04
1977	1977-04-16	1977-09-09
1979	1979-05-08	1979-10-22
1980	1980-04-22	1980-09-22
1981	1981-04-10	1981-10-05
1982	1982-06-29	1982-10-05
1983	1983-06-04	1983-10-02
1984	1984-06-12	1984-09-24
1985	1985-04-18	1985-09-19
1986	1986-03-29	1986-09-25
1987	1987-04-20	1987-10-02
1988	1988-05-14	1988-09-23
1989	1989-04-24	1989-10-15
1990	1990-06-10	1990-09-28
1991	1991-05-13	1991-09-15
1992	1992-05-16	1992-09-16
1993	1993-06-13	1993-09-12
1994	1994-05-24	1994-10-01
1995	1995-06-07	1995-08-31
1996	1996-05-17	1996-09-07
1997	1997-05-17	1997-10-07
1998	1998-05-18	1998-09-29
1999	1999-06-04	1999-10-15
2000	2000-05-08	2000-09-22
2001	2001-04-09	2001-09-08
2003	2003-06-18	2003-08-28
2004	2004-05-06	2004-09-14
2005	2005-05-10	2005-10-04
2006	2006-04-13	2006-10-04
2007	2007-04-29	2007-10-08
2008	2008-06-01	2008-09-03
2009	2009-05-23	2009-08-15
2014	2014-05-08	2014-09-06
2015	2015-06-08	2015-09-19
2016	2016-06-07	2016-10-18
2017	2017-05-10	2017-10-15
2018	2018-05-11	2018-10-04
2019	2019-05-17	2019-10-02
2020	2020-05-25	2020-09-07
2021	2021-04-27	2021-10-01
2022	2022-05-10	2022-10-23
2023	2023-05-08	2023-10-04
2024	2024-04-15	2024-10-13
2025	2025-05-16	2025-10-07
2026	2026-03-20	2026-10-14

Every Fixed Threshold

Fixed thresholds at Steffenville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	122	113	1914	63
35 C (95 F): Days	110	69	1913	9
40 C (104 F): Days	29	35	1936	1
45 C (113 F): Days	3	1	1911	1
90 F (32.2 C): Days	122	98	1913	29
100 F (37.8 C): Days	57	52	1913	5
110 F (43.3 C): Days	7	10	1934	1
0 C (32 F): Ice days (max	122	58	1985	19
0 C (32 F): Frost days (min	123	142	1917	61
-10 C (14 F): Days with min	123	56	1977	26
-20 C (-4 F): Days with min	104	25	1979	4
-30 C (-22 F): Days with min	7	2	1989	2
20 C (68 F): Tropical nights (min	122	62	1921	45
25 C (77 F): Days with min	63	14	1921	3
10 mm (0.39 in): Days with 10 mm or more rain	124	46	1973	27
25 mm (0.98 in): Days with 25 mm or more rain	124	21	2008	8
50 mm (1.97 in): Days with 50 mm or more rain	105	5	1938	1
100 mm (3.94 in): Days with 100 mm or more rain	22	1	1896	1
10 cm (3.9 in): Days with 10 cm or more snowfall	72	5	1924	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1918	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Steffenville 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Steffenville Threshold Days by Year (USC00238051)

Key Facts for Steffenville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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