Mtn Home 1 NNW Threshold Days by Year (USC00035036)

20 fixed thresholds counted per year at Mtn Home 1 NNW (USC00035036): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mtn Home 1 NNW Thresholds

Mtn Home 1 NNW: days with 10 mm (0.39 in) or more of precipitation in 103 years, most in 1957 with 52.
Mtn Home 1 NNW: days with 25 mm (0.98 in) or more of precipitation in 103 years, most in 1927 with 25.
Mtn Home 1 NNW: days with a maximum temperature at or above 30 C (86 F) in 98 years, most in 1939 with 129.
Mtn Home 1 NNW: days with a maximum temperature at or above 90 F (32.2 C) in 98 years, most in 1954 with 106.
20 fixed thresholds have at least one qualifying day at Mtn Home 1 NNW.

Days at or above 30 C (86 F)

98 years with a qualifying day

Days per year at Mtn Home 1 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 1939.

Days at or above 30 C (86 F) per year at Mtn Home 1 NNW
Year	Days	Decade average
1918	99	98.5
1919	98	98.5
1920	75	95.4
1921	123	95.4
1923	78	95.4
1925	119	95.4
1927	82	95.4
1931	97	110.8
1932	111	110.8
1933	104	110.8
1934	113	110.8
1935	91	110.8
1936	128	110.8
1937	108	110.8
1938	116	110.8
1939	129	110.8
1940	100	99.8
1941	114	99.8
1942	95	99.8
1943	111	99.8
1944	121	99.8
1945	81	99.8
1948	88	99.8
1949	88	99.8
1950	56	93.3
1951	73	93.3
1952	115	93.3
1953	129	93.3
1954	120	93.3
1955	102	93.3
1956	108	93.3
1957	73	93.3
1958	73	93.3
1959	84	93.3
1960	83	87.6
1961	78	87.6
1962	101	87.6
1963	127	87.6
1964	91	87.6
1965	88	87.6
1966	69	87.6
1967	61	87.6
1969	90	87.6
1970	80	84.1
1971	91	84.1
1974	76	84.1
1975	84	84.1
1976	66	84.1
1977	102	84.1
1978	96	84.1
1979	78	84.1
1980	115	87.4
1981	86	87.4
1982	83	87.4
1983	84	87.4
1984	89	87.4
1985	78	87.4
1986	84	87.4
1987	94	87.4
1988	89	87.4
1989	72	87.4
1990	85	77.7
1991	86	77.7
1992	53	77.7
1993	80	77.7
1994	71	77.7
1995	76	77.7
1996	74	77.7
1997	71	77.7
1998	102	77.7
1999	79	77.7
2000	85	75.6
2001	88	75.6
2002	84	75.6
2003	63	75.6
2004	53	75.6
2005	99	75.6
2006	80	75.6
2007	89	75.6
2008	56	75.6
2009	59	75.6
2010	103	82.5
2011	99	82.5
2012	99	82.5
2013	60	82.5
2014	59	82.5
2015	67	82.5
2016	86	82.5
2017	61	82.5
2018	100	82.5
2019	91	82.5
2020	74	82.9
2021	84	82.9
2022	83	82.9
2023	75	82.9
2024	79	82.9
2025	84	82.9
2026	101	82.9

For each year, a bar from the first to the last day at Mtn Home 1 NNW meeting 30 C (86 F).

First to last qualifying date each year at Mtn Home 1 NNW
Year	First date	Last date
1918	1918-02-24	1918-10-06
1919	1919-04-21	1919-10-27
1920	1920-04-18	1920-10-12
1921	1921-05-20	1921-11-04
1923	1923-04-23	1923-09-30
1925	1925-03-08	1925-10-06
1927	1927-04-03	1927-10-28
1931	1931-05-16	1931-11-03
1932	1932-04-20	1932-10-19
1933	1933-04-09	1933-10-11
1934	1934-04-26	1934-11-06
1935	1935-05-12	1935-10-16
1936	1936-04-12	1936-10-19
1937	1937-04-17	1937-11-01
1938	1938-04-18	1938-10-17
1939	1939-04-25	1939-10-25
1940	1940-04-01	1940-10-26
1941	1941-04-11	1941-10-22
1942	1942-05-26	1942-10-09
1943	1943-04-04	1943-10-10
1944	1944-05-12	1944-10-29
1945	1945-05-14	1945-09-23
1948	1948-03-20	1948-09-22
1949	1949-05-03	1949-10-11
1950	1950-05-23	1950-10-31
1951	1951-05-19	1951-10-04
1952	1952-04-29	1952-10-27
1953	1953-04-09	1953-10-22
1954	1954-04-06	1954-10-10
1955	1955-04-15	1955-09-29
1956	1956-03-06	1956-10-06
1957	1957-05-12	1957-09-20
1958	1958-05-23	1958-09-25
1959	1959-04-05	1959-09-24
1960	1960-04-06	1960-10-02
1961	1961-05-30	1961-10-13
1962	1962-02-13	1962-10-12
1963	1963-03-28	1963-10-26
1964	1964-05-19	1964-10-22
1965	1965-04-09	1965-09-20
1966	1966-04-01	1966-10-10
1967	1967-03-12	1967-10-06
1969	1969-05-15	1969-10-05
1970	1970-04-29	1970-09-22
1971	1971-04-13	1971-10-02
1974	1974-05-13	1974-08-31
1975	1975-05-19	1975-10-13
1976	1976-06-26	1976-10-12
1977	1977-04-10	1977-10-01
1978	1978-04-08	1978-10-21
1979	1979-05-08	1979-10-21
1980	1980-04-21	1980-10-10
1981	1981-04-13	1981-10-06
1982	1982-03-17	1982-10-05
1983	1983-06-03	1983-10-03
1984	1984-04-27	1984-09-23
1985	1985-03-28	1985-10-13
1986	1986-04-25	1986-10-03
1987	1987-04-17	1987-09-25
1988	1988-04-04	1988-09-22
1989	1989-04-21	1989-10-12
1990	1990-05-26	1990-09-30
1991	1991-05-14	1991-10-19
1992	1992-04-15	1992-09-19
1993	1993-05-06	1993-09-23
1994	1994-04-18	1994-10-04
1995	1995-05-14	1995-09-15
1996	1996-04-20	1996-09-12
1997	1997-03-22	1997-10-05
1998	1998-05-13	1998-10-01
1999	1999-06-03	1999-09-29
2000	2000-05-09	2000-10-05
2001	2001-04-10	2001-10-05
2002	2002-04-18	2002-10-05
2003	2003-05-31	2003-10-21
2004	2004-05-21	2004-10-19
2005	2005-05-12	2005-10-20
2006	2006-04-14	2006-10-05
2007	2007-04-04	2007-10-08
2008	2008-05-20	2008-09-13
2009	2009-05-08	2009-09-28
2010	2010-05-06	2010-09-24
2011	2011-04-04	2011-10-17
2012	2012-04-02	2012-09-26
2013	2013-05-15	2013-09-20
2014	2014-05-05	2014-10-08
2015	2015-06-06	2015-10-16
2016	2016-03-16	2016-10-20
2017	2017-03-21	2017-10-15
2018	2018-05-08	2018-10-07
2019	2019-05-16	2019-10-04
2020	2020-03-27	2020-10-01
2021	2021-06-10	2021-10-10
2022	2022-05-11	2022-09-25
2023	2023-05-09	2023-10-03
2024	2024-02-28	2024-10-24
2025	2025-04-14	2025-10-04
2026	2026-03-21	2026-10-14

Every Fixed Threshold

Fixed thresholds at Mtn Home 1 NNW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	98	129	1939	101
35 C (95 F): Days	95	80	1936	36
40 C (104 F): Days	27	34	1936	2
45 C (113 F): Days	1	1	1934	1
90 F (32.2 C): Days	98	106	1954	69
100 F (37.8 C): Days	62	66	1936	1
110 F (43.3 C): Days	4	6	1934	1
0 C (32 F): Ice days (max	97	28	1978	5
0 C (32 F): Frost days (min	88	112	1969	35
-10 C (14 F): Days with min	87	30	1979	8
-20 C (-4 F): Days with min	17	4	1918	1
20 C (68 F): Tropical nights (min	88	85	2010	90
25 C (77 F): Days with min	26	7	2010	4
10 mm (0.39 in): Days with 10 mm or more rain	103	52	1957	29
25 mm (0.98 in): Days with 25 mm or more rain	103	25	1927	13
50 mm (1.97 in): Days with 50 mm or more rain	98	11	2019	3
100 mm (3.94 in): Days with 100 mm or more rain	24	3	1927	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1985	1
10 cm (3.9 in): Days with 10 cm or more snowfall	54	3	1918	2
25 cm (9.8 in): Days with 25 cm or more snowfall	5	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 1918.

Download the Data

Data for Mtn Home 1 NNW 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).

Mtn Home 1 NNW Threshold Days by Year (USC00035036)

Key Facts for Mtn Home 1 NNW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related