Maryville 2E Threshold Days by Year (USC00235340)

21 fixed thresholds counted per year at Maryville 2E (USC00235340): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Maryville 2E Thresholds

Maryville 2E: days with 10 mm (0.39 in) or more of precipitation in 124 years, most in 1982 with 45.
Maryville 2E: days with 25 mm (0.98 in) or more of precipitation in 124 years, most in 1993 with 19.
Maryville 2E: nights with a minimum temperature at or below 0 C (32 F) in 121 years, most in 1970 with 167.
Maryville 2E: nights with a minimum temperature at or below -10 C (14 F) in 121 years, most in 1978 with 72.
21 fixed thresholds have at least one qualifying day at Maryville 2E.

Days at or above 30 C (86 F)

120 years with a qualifying day

Days per year at Maryville 2E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1934.

Days at or above 30 C (86 F) per year at Maryville 2E
Year	Days	Decade average
1897	78	68
1898	66	68
1899	60	68
1900	86	56.8
1901	88	56.8
1902	36	56.8
1903	34	56.8
1904	33	56.8
1905	57	56.8
1906	51	56.8
1907	62	56.8
1908	57	56.8
1909	64	56.8
1910	70	71.6
1911	82	71.6
1912	70	71.6
1913	91	71.6
1914	94	71.6
1915	41	71.6
1916	67	71.6
1917	51	71.6
1918	77	71.6
1919	73	71.6
1920	54	57.3
1921	88	57.3
1922	64	57.3
1923	46	57.3
1924	39	57.3
1925	67	57.3
1926	68	57.3
1927	55	57.3
1928	43	57.3
1929	49	57.3
1930	69	83.2
1931	98	83.2
1932	67	83.2
1933	90	83.2
1934	104	83.2
1935	61	83.2
1936	92	83.2
1937	79	83.2
1938	85	83.2
1939	87	83.2
1940	53	52.7
1941	70	52.7
1942	52	52.7
1943	65	52.7
1944	46	52.7
1945	39	52.7
1946	51	52.7
1947	59	52.7
1948	50	52.7
1949	42	52.7
1950	17	62.9
1952	57	62.9
1953	87	62.9
1954	80	62.9
1955	78	62.9
1956	93	62.9
1957	54	62.9
1958	37	62.9
1959	63	62.9
1960	52	53.6
1961	42	53.6
1962	62	53.6
1963	73	53.6
1964	54	53.6
1966	44	53.6
1967	45	53.6
1968	52	53.6
1969	58	53.6
1970	66	60.2
1971	73	60.2
1972	54	60.2
1973	58	60.2
1974	57	60.2
1975	68	60.2
1976	52	60.2
1977	53	60.2
1978	52	60.2
1979	69	60.2
1980	83	62.8
1981	45	62.8
1982	46	62.8
1983	82	62.8
1984	67	62.8
1985	56	62.8
1986	52	62.8
1987	71	62.8
1990	60	53.2
1991	48	53.2
1993	35	53.2
1994	51	53.2
1995	59	53.2
1996	39	53.2
1997	65	53.2
1998	62	53.2
1999	60	53.2
2000	65	56.4
2001	57	56.4
2002	81	56.4
2003	58	56.4
2004	35	56.4
2005	65	56.4
2006	58	56.4
2007	73	56.4
2008	46	56.4
2009	26	56.4
2010	62	56.4
2011	59	56.4
2012	78	56.4
2013	42	56.4
2014	31	56.4
2015	42	56.4
2016	56	56.4
2017	62	56.4
2018	81	56.4
2019	51	56.4
2020	48	43
2026	38	43

For each year, a bar from the first to the last day at Maryville 2E meeting 30 C (86 F).

First to last qualifying date each year at Maryville 2E
Year	First date	Last date
1897	1897-06-12	1897-10-15
1898	1898-04-16	1898-10-02
1899	1899-05-15	1899-10-22
1900	1900-05-11	1900-10-04
1901	1901-04-26	1901-09-24
1902	1902-04-20	1902-08-20
1903	1903-05-18	1903-08-27
1904	1904-05-23	1904-09-29
1905	1905-04-10	1905-09-28
1906	1906-04-25	1906-09-17
1907	1907-03-22	1907-09-19
1908	1908-05-17	1908-10-15
1909	1909-05-06	1909-10-05
1910	1910-03-23	1910-10-03
1911	1911-05-10	1911-09-29
1912	1912-05-03	1912-10-06
1913	1913-04-18	1913-09-11
1914	1914-05-11	1914-09-18
1915	1915-04-17	1915-09-18
1916	1916-04-13	1916-10-08
1917	1917-05-18	1917-09-17
1918	1918-05-04	1918-10-15
1919	1919-05-28	1919-10-02
1920	1920-05-21	1920-10-10
1921	1921-04-23	1921-09-23
1922	1922-06-08	1922-10-06
1923	1923-05-31	1923-09-03
1924	1924-04-15	1924-10-16
1925	1925-04-22	1925-09-19
1926	1926-04-29	1926-09-21
1927	1927-05-23	1927-10-27
1928	1928-03-23	1928-10-10
1929	1929-04-04	1929-09-26
1930	1930-04-10	1930-09-22
1931	1931-04-08	1931-10-10
1932	1932-05-13	1932-10-02
1933	1933-05-16	1933-09-25
1934	1934-05-06	1934-10-08
1935	1935-06-15	1935-09-24
1936	1936-04-20	1936-09-22
1937	1937-05-20	1937-10-02
1938	1938-05-02	1938-10-16
1939	1939-05-16	1939-10-24
1940	1940-05-05	1940-10-25
1941	1941-05-14	1941-09-20
1942	1942-04-04	1942-09-16
1943	1943-04-29	1943-09-05
1944	1944-05-14	1944-09-03
1945	1945-05-20	1945-09-23
1946	1946-06-06	1946-09-26
1947	1947-05-14	1947-10-06
1948	1948-04-18	1948-09-20
1949	1949-04-25	1949-08-26
1950	1950-04-23	1950-09-19
1952	1952-05-02	1952-09-30
1953	1953-05-24	1953-10-18
1954	1954-04-24	1954-10-03
1955	1955-04-18	1955-09-18
1956	1956-04-01	1956-10-12
1957	1957-06-05	1957-09-03
1958	1958-06-04	1958-09-24
1959	1959-05-02	1959-09-21
1960	1960-04-23	1960-10-12
1961	1961-04-24	1961-09-10
1962	1962-05-06	1962-09-14
1963	1963-05-09	1963-10-20
1964	1964-04-17	1964-09-10
1966	1966-05-06	1966-09-01
1967	1967-04-17	1967-10-05
1968	1968-03-31	1968-09-03
1969	1969-05-27	1969-10-05
1970	1970-04-28	1970-09-21
1971	1971-05-06	1971-10-02
1972	1972-04-07	1972-09-25
1973	1973-05-22	1973-09-22
1974	1974-05-14	1974-09-19
1975	1975-04-18	1975-10-14
1976	1976-04-15	1976-10-04
1977	1977-05-16	1977-09-09
1978	1978-05-25	1978-09-19
1979	1979-05-09	1979-10-22
1980	1980-04-21	1980-10-10
1981	1981-04-03	1981-10-01
1982	1982-05-05	1982-10-06
1983	1983-05-28	1983-10-03
1984	1984-05-18	1984-09-25
1985	1985-04-19	1985-09-20
1986	1986-03-30	1986-09-27
1987	1987-04-20	1987-09-27
1990	1990-04-24	1990-10-06
1991	1991-03-27	1991-10-24
1993	1993-05-28	1993-09-13
1994	1994-04-18	1994-10-01
1995	1995-06-08	1995-10-13
1996	1996-04-12	1996-09-05
1997	1997-05-18	1997-10-07
1998	1998-04-26	1998-09-30
1999	1999-06-05	1999-10-16
2000	2000-04-06	2000-09-23
2001	2001-04-28	2001-09-13
2002	2002-04-15	2002-10-02
2003	2003-04-03	2003-10-20
2004	2004-04-17	2004-09-20
2005	2005-05-20	2005-10-05
2006	2006-04-14	2006-10-04
2007	2007-04-30	2007-10-07
2008	2008-05-26	2008-09-24
2009	2009-04-25	2009-08-15
2010	2010-05-23	2010-10-09
2011	2011-04-04	2011-10-05
2012	2012-04-01	2012-09-13
2013	2013-05-15	2013-10-05
2014	2014-05-08	2014-09-05
2015	2015-06-08	2015-09-18
2016	2016-05-31	2016-10-18
2017	2017-05-09	2017-10-03
2018	2018-05-09	2018-10-04
2019	2019-04-22	2019-10-02
2020	2020-04-08	2020-09-27
2026	2026-03-21	2026-10-10

Every Fixed Threshold

Fixed thresholds at Maryville 2E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	120	104	1934	38
35 C (95 F): Days	114	63	1934	9
40 C (104 F): Days	23	28	1934	1
45 C (113 F): Days	1	1	1934	1
90 F (32.2 C): Days	120	85	1934	19
100 F (37.8 C): Days	62	46	1934	2
110 F (43.3 C): Days	4	8	1934	1
0 C (32 F): Ice days (max	120	71	1978	18
0 C (32 F): Frost days (min	121	167	1970	64
-10 C (14 F): Days with min	121	72	1978	23
-20 C (-4 F): Days with min	111	27	1963	4
-30 C (-22 F): Days with min	22	5	1899	3
20 C (68 F): Tropical nights (min	121	55	1936	16
25 C (77 F): Days with min	23	9	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	124	45	1982	16
25 mm (0.98 in): Days with 25 mm or more rain	124	19	1993	8
50 mm (1.97 in): Days with 50 mm or more rain	107	6	1993	1
100 mm (3.94 in): Days with 100 mm or more rain	27	2	1929	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1922	1
10 cm (3.9 in): Days with 10 cm or more snowfall	70	5	1942	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1920	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Maryville 2E 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).

Maryville 2E Threshold Days by Year (USC00235340)

Key Facts for Maryville 2E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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