Pennington Gap Threshold Days by Year (USC00446626)

19 fixed thresholds counted per year at Pennington Gap (USC00446626): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pennington Gap Thresholds

Pennington Gap: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1972 with 65.
Pennington Gap: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 2013 with 30.
Pennington Gap: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 1936 with 93.
Pennington Gap: days with a maximum temperature at or below 0 C (32 F) in 73 years, most in 1940 with 26.
19 fixed thresholds have at least one qualifying day at Pennington Gap.

Days at or above 30 C (86 F)

74 years with a qualifying day

Days per year at Pennington Gap with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 93 in 1936.

Days at or above 30 C (86 F) per year at Pennington Gap
Year	Days	Decade average
1932	66	60.9
1933	63	60.9
1935	38	60.9
1936	93	60.9
1937	50	60.9
1938	52	60.9
1939	64	60.9
1940	45	58.1
1941	83	58.1
1942	43	58.1
1943	80	58.1
1944	73	58.1
1946	39	58.1
1947	53	58.1
1948	49	58.1
1952	83	52.1
1953	78	52.1
1954	69	52.1
1955	57	52.1
1956	25	52.1
1958	18	52.1
1959	35	52.1
1960	24	28.8
1961	15	28.8
1962	17	28.8
1963	19	28.8
1964	23	28.8
1965	24	28.8
1966	40	28.8
1967	17	28.8
1968	43	28.8
1969	66	28.8
1970	63	53.4
1971	39	53.4
1972	44	53.4
1973	54	53.4
1974	33	53.4
1975	79	53.4
1976	61	53.4
1977	74	53.4
1978	70	53.4
1979	17	53.4
1980	90	64.7
1981	55	64.7
1982	47	64.7
1983	71	64.7
1984	67	64.7
1985	45	64.7
1986	88	64.7
1987	78	64.7
1988	68	64.7
1989	38	64.7
1990	52	42.3
1991	55	42.3
1992	16	42.3
1993	45	42.3
1994	28	42.3
1999	58	42.3
2000	41	49.2
2001	41	49.2
2002	83	49.2
2003	30	49.2
2004	32	49.2
2005	63	49.2
2006	49	49.2
2007	77	49.2
2008	54	49.2
2009	22	49.2
2021	70	67.3
2022	63	67.3
2023	47	67.3
2024	74	67.3
2025	63	67.3
2026	87	67.3

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

First to last qualifying date each year at Pennington Gap
Year	First date	Last date
1932	1932-06-02	1932-09-20
1933	1933-05-24	1933-10-02
1935	1935-07-04	1935-10-15
1936	1936-05-01	1936-09-29
1937	1937-05-31	1937-10-02
1938	1938-06-10	1938-10-20
1939	1939-05-24	1939-10-10
1940	1940-05-08	1940-09-23
1941	1941-04-20	1941-10-10
1942	1942-05-01	1942-09-20
1943	1943-05-19	1943-09-16
1944	1944-05-15	1944-09-20
1946	1946-06-09	1946-10-06
1947	1947-06-07	1947-10-23
1948	1948-06-07	1948-09-22
1952	1952-04-21	1952-09-14
1953	1953-04-30	1953-10-06
1954	1954-06-01	1954-10-06
1955	1955-07-03	1955-09-24
1956	1956-06-12	1956-09-05
1958	1958-06-14	1958-09-27
1959	1959-05-03	1959-09-05
1960	1960-04-24	1960-09-08
1961	1961-06-03	1961-09-25
1962	1962-05-15	1962-09-16
1963	1963-05-11	1963-08-27
1964	1964-05-20	1964-09-12
1965	1965-04-24	1965-09-22
1966	1966-06-09	1966-09-04
1967	1967-05-26	1967-09-17
1968	1968-06-10	1968-08-26
1969	1969-05-07	1969-09-07
1970	1970-04-30	1970-09-25
1971	1971-06-01	1971-09-16
1972	1972-06-05	1972-09-20
1973	1973-06-03	1973-09-24
1974	1974-05-17	1974-08-27
1975	1975-05-21	1975-09-19
1976	1976-04-18	1976-09-13
1977	1977-04-13	1977-09-06
1978	1978-05-26	1978-09-22
1979	1979-06-09	1979-08-31
1980	1980-04-23	1980-09-24
1981	1981-04-27	1981-09-07
1982	1982-03-19	1982-09-15
1983	1983-06-15	1983-09-19
1984	1984-04-26	1984-09-26
1985	1985-04-22	1985-09-11
1986	1986-04-27	1986-10-02
1987	1987-05-18	1987-09-28
1988	1988-05-31	1988-09-22
1989	1989-03-28	1989-09-13
1990	1990-04-26	1990-09-12
1991	1991-05-16	1991-09-18
1992	1992-06-30	1992-09-10
1993	1993-06-08	1993-09-15
1994	1994-04-19	1994-08-19
1999	1999-06-07	1999-09-27
2000	2000-05-07	2000-09-14
2001	2001-04-11	2001-09-07
2002	2002-04-17	2002-10-04
2003	2003-06-25	2003-09-02
2004	2004-05-09	2004-09-24
2005	2005-06-06	2005-09-26
2006	2006-05-29	2006-08-31
2007	2007-05-02	2007-10-09
2008	2008-06-05	2008-09-15
2009	2009-04-27	2009-08-27
2021	2021-05-22	2021-10-08
2022	2022-05-12	2022-09-22
2023	2023-04-06	2023-10-04
2024	2024-05-03	2024-09-25
2025	2025-04-05	2025-10-02
2026	2026-03-23	2026-10-15

Every Fixed Threshold

Fixed thresholds at Pennington Gap
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	93	1936	87
35 C (95 F): Days	33	20	1988	8
40 C (104 F): Days	1	1	1952	1
90 F (32.2 C): Days	70	57	1980	34
100 F (37.8 C): Days	6	3	1952	1
0 C (32 F): Ice days (max	73	26	1940	11
0 C (32 F): Frost days (min	71	143	1960	70
-10 C (14 F): Days with min	70	42	1963	14
-20 C (-4 F): Days with min	25	5	1970	4
-30 C (-22 F): Days with min	1	1	1985	1
20 C (68 F): Tropical nights (min	68	23	2025	26
25 C (77 F): Days with min	2	1	1981	1
10 mm (0.39 in): Days with 10 mm or more rain	84	65	1972	32
25 mm (0.98 in): Days with 25 mm or more rain	84	30	2013	6
50 mm (1.97 in): Days with 50 mm or more rain	68	7	1991	1
100 mm (3.94 in): Days with 100 mm or more rain	8	1	1963	1
10 cm (3.9 in): Days with 10 cm or more snowfall	43	7	1977	1
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1936	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1942	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

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Data for Pennington Gap 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).

Pennington Gap Threshold Days by Year (USC00446626)

Key Facts for Pennington Gap Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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