Smithville Threshold Days by Year (USC00418415)

17 fixed thresholds counted per year at Smithville (USC00418415): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Smithville Thresholds

Smithville: days with 10 mm (0.39 in) or more of precipitation in 92 years, most in 1923 with 44.
Smithville: days with 25 mm (0.98 in) or more of precipitation in 92 years, most in 1992 with 24.
Smithville: days with a maximum temperature at or above 30 C (86 F) in 89 years, most in 1939 with 200.
Smithville: days with a maximum temperature at or above 35 C (95 F) in 89 years, most in 1939 with 129.
17 fixed thresholds have at least one qualifying day at Smithville.

Days at or above 30 C (86 F)

89 years with a qualifying day

Days per year at Smithville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 200 in 1939.

Days at or above 30 C (86 F) per year at Smithville
Year	Days	Decade average
1922	150	146.8
1923	128	146.8
1924	109	146.8
1925	140	146.8
1926	155	146.8
1927	155	146.8
1928	167	146.8
1929	170	146.8
1930	156	176.2
1931	170	176.2
1932	161	176.2
1933	185	176.2
1934	195	176.2
1935	159	176.2
1936	157	176.2
1937	185	176.2
1938	194	176.2
1939	200	176.2
1940	159	172
1942	171	172
1943	185	172
1944	182	172
1945	177	172
1946	136	172
1947	186	172
1948	197	172
1949	155	172
1950	170	152.1
1951	155	152.1
1952	148	152.1
1953	156	152.1
1954	136	152.1
1955	189	152.1
1956	170	152.1
1957	115	152.1
1958	137	152.1
1959	145	152.1
1960	145	139.4
1961	144	139.4
1962	147	139.4
1963	182	139.4
1964	131	139.4
1965	125	139.4
1966	124	139.4
1967	148	139.4
1968	113	139.4
1969	135	139.4
1970	126	134.4
1971	113	134.4
1972	158	134.4
1976	120	134.4
1977	148	134.4
1978	146	134.4
1979	130	134.4
1980	150	147.5
1981	139	147.5
1982	143	147.5
1983	127	147.5
1984	149	147.5
1985	141	147.5
1986	148	147.5
1987	155	147.5
1988	162	147.5
1989	161	147.5
1990	155	155.3
1991	163	155.3
1992	153	155.3
1993	142	155.3
1994	155	155.3
1998	148	155.3
1999	171	155.3
2000	165	157.7
2001	140	157.7
2002	157	157.7
2003	163	157.7
2004	157	157.7
2005	167	157.7
2006	179	157.7
2007	140	157.7
2008	162	157.7
2009	147	157.7
2010	150	157.8
2011	189	157.8
2012	153	157.8
2013	136	157.8
2014	153	157.8
2015	159	157.8
2016	152	157.8
2017	170	157.8

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

First to last qualifying date each year at Smithville
Year	First date	Last date
1922	1922-02-12	1922-12-08
1923	1923-04-04	1923-09-29
1924	1924-05-27	1924-11-14
1925	1925-04-18	1925-10-24
1926	1926-05-02	1926-10-22
1927	1927-02-22	1927-11-11
1928	1928-03-11	1928-10-29
1929	1929-03-06	1929-10-30
1930	1930-02-22	1930-11-17
1931	1931-04-02	1931-11-21
1932	1932-02-28	1932-10-30
1933	1933-03-09	1933-12-20
1934	1934-03-22	1934-11-10
1935	1935-02-21	1935-11-10
1936	1936-01-16	1936-11-02
1937	1937-03-19	1937-11-01
1938	1938-01-18	1938-11-17
1939	1939-03-10	1939-12-12
1940	1940-02-28	1940-10-28
1942	1942-03-13	1942-11-20
1943	1943-01-16	1943-11-06
1944	1944-03-25	1944-11-07
1945	1945-03-15	1945-11-13
1946	1946-03-14	1946-11-01
1947	1947-04-01	1947-11-11
1948	1948-02-29	1948-12-13
1949	1949-03-07	1949-11-29
1950	1950-03-27	1950-11-24
1951	1951-03-07	1951-11-16
1952	1952-03-22	1952-11-03
1953	1953-01-16	1953-10-22
1954	1954-02-11	1954-10-27
1955	1955-03-11	1955-12-26
1956	1956-02-18	1956-11-15
1957	1957-04-05	1957-11-02
1958	1958-04-05	1958-10-26
1959	1959-04-06	1959-10-27
1960	1960-02-10	1960-10-16
1961	1961-04-15	1961-10-31
1962	1962-02-10	1962-10-18
1963	1963-02-11	1963-11-08
1964	1964-04-14	1964-10-04
1965	1965-03-11	1965-11-27
1966	1966-04-02	1966-10-23
1967	1967-03-12	1967-11-27
1968	1968-05-16	1968-10-17
1969	1969-05-21	1969-11-12
1970	1970-04-13	1970-10-28
1971	1971-03-23	1971-10-18
1972	1972-03-18	1972-10-30
1976	1976-03-21	1976-10-11
1977	1977-03-16	1977-11-01
1978	1978-04-16	1978-11-15
1979	1979-04-09	1979-10-29
1980	1980-02-20	1980-11-10
1981	1981-03-31	1981-10-18
1982	1982-02-18	1982-11-02
1983	1983-04-19	1983-11-23
1984	1984-04-10	1984-11-01
1985	1985-04-16	1985-10-26
1986	1986-02-19	1986-10-06
1987	1987-04-11	1987-11-06
1988	1988-03-11	1988-11-15
1989	1989-03-14	1989-11-15
1990	1990-02-16	1990-10-21
1991	1991-03-05	1991-10-30
1992	1992-03-07	1992-11-01
1993	1993-03-10	1993-10-20
1994	1994-03-19	1994-11-09
1998	1998-04-07	1998-10-17
1999	1999-02-27	1999-10-23
2000	2000-02-15	2000-11-03
2001	2001-04-11	2001-10-25
2002	2002-04-01	2002-11-11
2003	2003-03-14	2003-11-13
2004	2004-04-01	2004-11-02
2005	2005-03-14	2005-11-28
2006	2006-02-07	2006-11-11
2007	2007-04-03	2007-11-15
2008	2008-02-25	2008-11-06
2009	2009-02-28	2009-10-30
2010	2010-04-24	2010-10-29
2011	2011-03-19	2011-11-21
2012	2012-04-02	2012-11-10
2013	2013-03-19	2013-11-18
2014	2014-03-29	2014-10-28
2015	2015-04-08	2015-11-12
2016	2016-03-15	2016-11-17
2017	2017-02-08	2017-12-05

Every Fixed Threshold

Fixed thresholds at Smithville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	89	200	1939	170
35 C (95 F): Days	89	129	1939	68
40 C (104 F): Days	58	27	1937	3
90 F (32.2 C): Days	89	167	1939	124
100 F (37.8 C): Days	85	73	2011	29
110 F (43.3 C): Days	7	2	1947	1
0 C (32 F): Ice days (max	32	5	1930	1
0 C (32 F): Frost days (min	86	52	1978	16
-10 C (14 F): Days with min	15	6	1983	1
20 C (68 F): Tropical nights (min	86	158	1922	138
25 C (77 F): Days with min	72	46	1925	33
10 mm (0.39 in): Days with 10 mm or more rain	92	44	1923	29
25 mm (0.98 in): Days with 25 mm or more rain	92	24	1992	11
50 mm (1.97 in): Days with 50 mm or more rain	88	10	2015	4
100 mm (3.94 in): Days with 100 mm or more rain	31	3	1940	3
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1940	1
10 cm (3.9 in): Days with 10 cm or more snowfall	3	2	1926	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1922.

Download the Data

Data for Smithville 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).

Smithville Threshold Days by Year (USC00418415)

Key Facts for Smithville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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