Kingsport Threshold Days by Year (USC00404858)

15 fixed thresholds counted per year at Kingsport (USC00404858): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kingsport Thresholds

Kingsport: days with 10 mm (0.39 in) or more of precipitation in 94 years, most in 1927 with 57.
Kingsport: days with 25 mm (0.98 in) or more of precipitation in 94 years, most in 2018 with 17.
Kingsport: days with a maximum temperature at or above 30 C (86 F) in 87 years, most in 1934 with 141.
Kingsport: days with a maximum temperature at or above 90 F (32.2 C) in 86 years, most in 1934 with 102.
15 fixed thresholds have at least one qualifying day at Kingsport.

Days at or above 30 C (86 F)

87 years with a qualifying day

Days per year at Kingsport with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 141 in 1934.

Days at or above 30 C (86 F) per year at Kingsport
Year	Days	Decade average
1926	94	77
1927	73	77
1928	64	77
1930	94	103.2
1931	101	103.2
1932	81	103.2
1933	99	103.2
1934	141	103.2
1946	61	71.5
1947	76	71.5
1948	73	71.5
1949	76	71.5
1950	37	78.8
1951	73	78.8
1952	82	78.8
1953	97	78.8
1954	106	78.8
1955	88	78.8
1956	71	78.8
1957	87	78.8
1958	61	78.8
1959	86	78.8
1960	69	62.4
1961	56	62.4
1962	81	62.4
1963	44	62.4
1964	83	62.4
1965	69	62.4
1966	57	62.4
1967	30	62.4
1968	59	62.4
1969	76	62.4
1970	87	65.3
1971	62	65.3
1972	53	65.3
1973	71	65.3
1974	48	65.3
1975	79	65.3
1976	61	65.3
1977	81	65.3
1978	64	65.3
1979	47	65.3
1980	97	71.9
1981	62	71.9
1982	59	71.9
1983	77	71.9
1984	59	71.9
1985	65	71.9
1986	90	71.9
1987	82	71.9
1988	84	71.9
1989	44	71.9
1990	48	61.9
1991	62	61.9
1992	29	61.9
1993	79	61.9
1995	67	61.9
1996	64	61.9
1997	51	61.9
1998	87	61.9
1999	70	61.9
2000	66	66.4
2001	61	66.4
2002	96	66.4
2003	48	66.4
2004	53	66.4
2005	79	66.4
2006	60	66.4
2007	87	66.4
2008	67	66.4
2009	47	66.4
2010	99	76
2012	75	76
2013	42	76
2014	50	76
2015	73	76
2016	98	76
2017	65	76
2018	85	76
2019	97	76
2020	66	62.6
2021	70	62.6
2022	61	62.6
2023	40	62.6
2024	65	62.6
2025	60	62.6
2026	76	62.6

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

First to last qualifying date each year at Kingsport
Year	First date	Last date
1926	1926-05-01	1926-10-04
1927	1927-04-19	1927-10-06
1928	1928-05-03	1928-10-14
1930	1930-04-11	1930-09-25
1931	1931-05-17	1931-10-08
1932	1932-05-25	1932-09-19
1933	1933-05-13	1933-10-01
1934	1934-04-03	1934-10-11
1946	1946-06-08	1946-10-05
1947	1947-05-15	1947-10-22
1948	1948-04-24	1948-09-23
1949	1949-05-06	1949-10-10
1950	1950-04-29	1950-09-03
1951	1951-05-01	1951-10-06
1952	1952-04-21	1952-09-14
1953	1953-04-24	1953-10-01
1954	1954-03-25	1954-10-14
1955	1955-04-17	1955-09-23
1956	1956-04-27	1956-09-17
1957	1957-04-20	1957-09-22
1958	1958-05-03	1958-09-25
1959	1959-05-03	1959-10-06
1960	1960-04-23	1960-09-22
1961	1961-05-07	1961-09-25
1962	1962-04-30	1962-09-15
1963	1963-04-21	1963-09-21
1964	1964-05-08	1964-09-11
1965	1965-04-23	1965-09-22
1966	1966-05-22	1966-09-03
1967	1967-05-27	1967-09-20
1968	1968-05-24	1968-09-24
1969	1969-05-04	1969-09-18
1970	1970-04-29	1970-09-26
1971	1971-04-20	1971-09-16
1972	1972-05-25	1972-09-25
1973	1973-06-03	1973-09-27
1974	1974-05-11	1974-09-13
1975	1975-05-21	1975-09-11
1976	1976-04-17	1976-09-10
1977	1977-04-12	1977-09-06
1978	1978-04-09	1978-09-22
1979	1979-05-07	1979-09-06
1980	1980-04-23	1980-09-24
1981	1981-04-14	1981-09-14
1982	1982-05-12	1982-09-15
1983	1983-05-07	1983-09-19
1984	1984-04-26	1984-09-25
1985	1985-03-30	1985-09-23
1986	1986-04-26	1986-10-04
1987	1987-04-22	1987-09-10
1988	1988-04-22	1988-09-23
1989	1989-04-27	1989-09-13
1990	1990-04-26	1990-09-10
1991	1991-04-29	1991-09-19
1992	1992-06-07	1992-09-09
1993	1993-06-08	1993-09-15
1995	1995-04-10	1995-09-13
1996	1996-04-29	1996-09-08
1997	1997-05-18	1997-09-19
1998	1998-05-15	1998-10-06
1999	1999-05-31	1999-09-27
2000	2000-05-07	2000-09-21
2001	2001-04-11	2001-09-10
2002	2002-04-17	2002-10-05
2003	2003-05-11	2003-09-03
2004	2004-05-08	2004-09-24
2005	2005-05-13	2005-09-29
2006	2006-04-17	2006-09-19
2007	2007-05-02	2007-10-09
2008	2008-06-01	2008-09-15
2009	2009-04-25	2009-09-25
2010	2010-04-03	2010-09-25
2012	2012-05-01	2012-10-03
2013	2013-05-21	2013-10-05
2014	2014-04-13	2014-09-11
2015	2015-04-09	2015-09-08
2016	2016-04-20	2016-10-20
2017	2017-04-29	2017-10-11
2018	2018-05-11	2018-10-09
2019	2019-05-01	2019-10-05
2020	2020-06-03	2020-09-13
2021	2021-05-20	2021-09-20
2022	2022-04-23	2022-09-21
2023	2023-04-05	2023-09-08
2024	2024-05-02	2024-09-24
2025	2025-04-04	2025-09-19
2026	2026-05-17	2026-10-01

Every Fixed Threshold

Fixed thresholds at Kingsport
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	87	141	1934	76
35 C (95 F): Days	53	51	1934	5
90 F (32.2 C): Days	86	102	1934	34
100 F (37.8 C): Days	11	16	1934	2
0 C (32 F): Ice days (max	81	23	2010	6
0 C (32 F): Frost days (min	85	115	1960	49
-10 C (14 F): Days with min	81	28	1977	6
-20 C (-4 F): Days with min	10	2	1966	1
20 C (68 F): Tropical nights (min	85	49	2016	49
10 mm (0.39 in): Days with 10 mm or more rain	94	57	1927	38
25 mm (0.98 in): Days with 25 mm or more rain	94	17	2018	13
50 mm (1.97 in): Days with 50 mm or more rain	62	5	1972	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1927	1
10 cm (3.9 in): Days with 10 cm or more snowfall	42	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1952	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

Data for Kingsport 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).

Kingsport Threshold Days by Year (USC00404858)

Key Facts for Kingsport Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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