Oak Hill Threshold Days by Year (USC00466591)

14 fixed thresholds counted per year at Oak Hill (USC00466591): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oak Hill Thresholds

Oak Hill: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1975 with 51.
Oak Hill: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 2009 with 17.
Oak Hill: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 1953 with 62.
Oak Hill: days with a maximum temperature at or below 0 C (32 F) in 66 years, most in 2010 with 47.
14 fixed thresholds have at least one qualifying day at Oak Hill.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Oak Hill with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 1953.

Days at or above 30 C (86 F) per year at Oak Hill
Year	Days	Decade average
1942	25	26.7
1943	39	26.7
1944	30	26.7
1945	22	26.7
1947	18	26.7
1948	21	26.7
1949	32	26.7
1951	26	42.4
1952	52	42.4
1953	62	42.4
1954	48	42.4
1955	34	42.4
1956	25	42.4
1957	44	42.4
1958	35	42.4
1959	56	42.4
1960	26	26.4
1961	27	26.4
1962	29	26.4
1963	12	26.4
1964	48	26.4
1965	33	26.4
1966	21	26.4
1967	3	26.4
1968	38	26.4
1969	27	26.4
1970	42	26.6
1971	23	26.6
1972	17	26.6
1973	41	26.6
1974	14	26.6
1975	31	26.6
1976	16	26.6
1977	39	26.6
1978	35	26.6
1979	8	26.6
1980	38	25.7
1981	30	25.7
1982	16	25.7
1983	49	25.7
1984	23	25.7
1985	28	25.7
1986	7	25.7
1987	23	25.7
1988	38	25.7
1989	5	25.7
1990	9	13.6
1991	15	13.6
1992	8	13.6
1993	13	13.6
1994	17	13.6
1995	25	13.6
1996	4	13.6
1997	7	13.6
1998	8	13.6
1999	30	13.6
2000	2	11.4
2001	6	11.4
2002	34	11.4
2003	4	11.4
2004	2	11.4
2005	23	11.4
2006	19	11.4
2008	10	11.4
2009	3	11.4
2010	34	34

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

First to last qualifying date each year at Oak Hill
Year	First date	Last date
1942	1942-05-01	1942-08-17
1943	1943-05-20	1943-09-06
1944	1944-05-31	1944-08-31
1945	1945-06-01	1945-09-23
1947	1947-06-10	1947-08-30
1948	1948-06-21	1948-09-10
1949	1949-05-06	1949-08-28
1951	1951-06-02	1951-09-02
1952	1952-06-07	1952-09-15
1953	1953-05-23	1953-10-12
1954	1954-05-03	1954-09-20
1955	1955-05-28	1955-09-17
1956	1956-06-01	1956-09-06
1957	1957-04-21	1957-09-13
1958	1958-06-06	1958-09-27
1959	1959-05-04	1959-10-07
1960	1960-04-24	1960-09-11
1961	1961-04-25	1961-09-26
1962	1962-05-02	1962-09-14
1963	1963-05-10	1963-08-04
1964	1964-05-09	1964-09-12
1965	1965-05-04	1965-09-23
1966	1966-06-13	1966-08-19
1967	1967-06-16	1967-06-18
1968	1968-06-07	1968-09-25
1969	1969-05-08	1969-08-08
1970	1970-04-30	1970-09-27
1971	1971-05-19	1971-09-16
1972	1972-06-15	1972-08-27
1973	1973-06-04	1973-09-05
1974	1974-04-30	1974-08-29
1975	1975-05-22	1975-09-06
1976	1976-03-31	1976-08-27
1977	1977-05-18	1977-09-06
1978	1978-05-21	1978-09-22
1979	1979-05-12	1979-09-03
1980	1980-06-16	1980-09-15
1981	1981-05-06	1981-09-15
1982	1982-05-15	1982-09-14
1983	1983-06-06	1983-09-20
1984	1984-06-06	1984-09-03
1985	1985-04-22	1985-09-11
1986	1986-04-29	1986-09-28
1987	1987-07-22	1987-08-27
1988	1988-06-15	1988-08-28
1989	1989-06-28	1989-08-05
1990	1990-07-05	1990-09-09
1991	1991-07-01	1991-09-19
1992	1992-07-11	1992-08-14
1993	1993-06-10	1993-09-01
1994	1994-06-14	1994-08-15
1995	1995-07-06	1995-09-01
1996	1996-05-19	1996-07-02
1997	1997-06-25	1997-08-18
1998	1998-06-26	1998-09-15
1999	1999-06-08	1999-08-19
2000	2000-06-14	2000-06-16
2001	2001-06-30	2001-08-10
2002	2002-06-05	2002-09-11
2003	2003-07-06	2003-08-29
2004	2004-07-07	2004-08-29
2005	2005-06-07	2005-08-21
2006	2006-05-30	2006-08-26
2008	2008-06-06	2008-09-15
2009	2009-04-26	2009-08-10
2010	2010-04-03	2010-09-25

Every Fixed Threshold

Fixed thresholds at Oak Hill
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	62	1953	34
35 C (95 F): Days	6	6	1953	1
90 F (32.2 C): Days	50	26	1952	3
0 C (32 F): Ice days (max	66	47	2010	47
0 C (32 F): Frost days (min	65	152	1952	104
-10 C (14 F): Days with min	65	48	1960	24
-20 C (-4 F): Days with min	32	12	1963	1
20 C (68 F): Tropical nights (min	36	13	1999	8
10 mm (0.39 in): Days with 10 mm or more rain	67	51	1975	37
25 mm (0.98 in): Days with 25 mm or more rain	67	17	2009	9
50 mm (1.97 in): Days with 50 mm or more rain	42	4	1983	3
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1964	1
10 cm (3.9 in): Days with 10 cm or more snowfall	51	8	2010	8
25 cm (9.8 in): Days with 25 cm or more snowfall	10	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 1942.

Download the Data

Data for Oak Hill 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).

Oak Hill Threshold Days by Year (USC00466591)

Key Facts for Oak Hill Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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