Mott Threshold Days by Year

22 fixed thresholds counted per year at Mott (USC00326155): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mott Thresholds

Mott: days with a maximum temperature at or above 30 C (86 F) in 98 years, most in 1936 with 90.
Mott: days with a maximum temperature at or above 90 F (32.2 C) in 98 years, most in 1936 with 64.
Mott: days with a maximum temperature at or below 0 C (32 F) in 98 years, most in 1978 with 107.
Mott: nights with a minimum temperature at or below 0 C (32 F) in 98 years, most in 1961 with 212.
22 fixed thresholds have at least one qualifying day at Mott.

Days at or above 30 C (86 F)

98 years with a qualifying day

Days per year at Mott with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 90 in 1936.

Days at or above 30 C (86 F) per year at Mott
Year	Days	Decade average
1908	46	45
1909	44	45
1910	36	38.4
1911	34	38.4
1912	29	38.4
1913	49	38.4
1914	46	38.4
1915	5	38.4
1916	34	38.4
1917	44	38.4
1918	33	38.4
1919	74	38.4
1920	46	40.4
1921	64	40.4
1922	60	40.4
1923	22	40.4
1924	17	40.4
1925	43	40.4
1926	49	40.4
1927	29	40.4
1928	31	40.4
1929	43	40.4
1930	51	58.9
1931	47	58.9
1932	41	58.9
1933	57	58.9
1934	68	58.9
1935	53	58.9
1936	90	58.9
1937	66	58.9
1938	52	58.9
1939	64	58.9
1940	67	45.1
1941	53	45.1
1942	34	45.1
1943	61	45.1
1944	27	45.1
1945	28	45.1
1946	42	45.1
1947	30	45.1
1948	41	45.1
1949	68	45.1
1950	25	32.3
1951	19	32.3
1952	38	32.3
1953	19	32.3
1954	30	32.3
1955	46	32.3
1956	23	32.3
1957	31	32.3
1958	38	32.3
1959	54	32.3
1960	44	35.5
1961	57	35.5
1962	21	35.5
1963	34	35.5
1964	41	35.5
1965	22	35.5
1966	37	35.5
1967	36	35.5
1968	26	35.5
1969	37	35.5
1970	52	33.2
1971	27	33.2
1972	28	33.2
1973	39	33.2
1974	39	33.2
1975	27	33.2
1976	45	33.2
1977	22	33.2
1978	31	33.2
1979	22	33.2
1980	43	43.9
1981	37	43.9
1982	38	43.9
1983	54	43.9
1984	41	43.9
1985	34	43.9
1986	31	43.9
1987	46	43.9
1988	62	43.9
1989	53	43.9
1990	53	40.5
1991	38	40.5
1992	27	40.5
1993	13	40.5
1994	37	40.5
1995	40	40.5
1996	44	40.5
1997	50	40.5
1998	58	40.5
1999	45	40.5
2000	56	51.2
2003	59	51.2
2004	33	51.2
2005	42	51.2
2006	68	51.2
2007	49	51.2

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

First to last qualifying date each year at Mott
Year	First date	Last date
1908	1908-04-20	1908-09-19
1909	1909-06-19	1909-09-28
1910	1910-03-22	1910-10-09
1911	1911-04-27	1911-09-16
1912	1912-06-22	1912-09-04
1913	1913-05-25	1913-09-06
1914	1914-05-30	1914-10-16
1915	1915-07-22	1915-09-01
1916	1916-07-01	1916-09-03
1917	1917-05-17	1917-09-23
1918	1918-05-04	1918-08-26
1919	1919-05-25	1919-09-16
1920	1920-06-07	1920-10-06
1921	1921-05-20	1921-10-13
1922	1922-06-03	1922-10-04
1923	1923-06-15	1923-09-04
1924	1924-06-04	1924-09-23
1925	1925-05-20	1925-09-18
1926	1926-05-05	1926-09-01
1927	1927-06-23	1927-09-13
1928	1928-05-22	1928-09-06
1929	1929-06-09	1929-09-01
1930	1930-05-25	1930-09-22
1931	1931-05-15	1931-09-28
1932	1932-05-13	1932-09-08
1933	1933-06-01	1933-09-18
1934	1934-04-29	1934-10-11
1935	1935-06-23	1935-10-15
1936	1936-04-19	1936-10-08
1937	1937-05-27	1937-10-03
1938	1938-04-30	1938-09-27
1939	1939-04-30	1939-09-21
1940	1940-05-11	1940-10-21
1941	1941-05-13	1941-09-19
1942	1942-04-22	1942-10-10
1943	1943-05-22	1943-10-10
1944	1944-05-13	1944-08-28
1945	1945-06-21	1945-09-06
1946	1946-06-15	1946-10-02
1947	1947-08-01	1947-09-08
1948	1948-05-18	1948-09-16
1949	1949-04-29	1949-09-29
1950	1950-06-06	1950-09-06
1951	1951-06-15	1951-08-23
1952	1952-04-26	1952-09-27
1953	1953-06-12	1953-10-01
1954	1954-05-20	1954-09-26
1955	1955-05-02	1955-10-09
1956	1956-05-21	1956-10-12
1957	1957-07-01	1957-10-02
1958	1958-05-11	1958-10-13
1959	1959-05-24	1959-09-13
1960	1960-05-12	1960-10-04
1961	1961-05-30	1961-09-18
1962	1962-04-24	1962-09-07
1963	1963-06-29	1963-10-04
1964	1964-05-20	1964-10-14
1965	1965-05-13	1965-08-23
1966	1966-05-04	1966-09-12
1967	1967-05-22	1967-09-22
1968	1968-04-30	1968-09-14
1969	1969-05-14	1969-09-19
1970	1970-05-17	1970-10-05
1971	1971-07-02	1971-09-02
1972	1972-05-16	1972-09-19
1973	1973-05-17	1973-08-31
1974	1974-06-03	1974-09-26
1975	1975-06-24	1975-09-16
1976	1976-06-02	1976-09-17
1977	1977-04-09	1977-08-09
1978	1978-07-02	1978-09-10
1979	1979-05-16	1979-09-16
1980	1980-04-18	1980-10-08
1981	1981-06-07	1981-09-13
1982	1982-05-04	1982-09-11
1983	1983-05-27	1983-09-28
1984	1984-05-17	1984-09-19
1985	1985-05-04	1985-09-16
1986	1986-05-05	1986-08-31
1987	1987-04-19	1987-09-24
1988	1988-05-01	1988-10-14
1989	1989-04-23	1989-10-01
1990	1990-04-23	1990-09-27
1991	1991-06-17	1991-10-16
1992	1992-05-01	1992-10-02
1993	1993-05-14	1993-10-07
1994	1994-04-17	1994-09-24
1995	1995-06-14	1995-10-12
1996	1996-06-09	1996-09-05
1997	1997-06-01	1997-10-08
1998	1998-05-18	1998-09-19
1999	1999-05-29	1999-09-23
2000	2000-05-06	2000-09-28
2003	2003-04-14	2003-10-20
2004	2004-06-04	2004-09-18
2005	2005-06-18	2005-10-01
2006	2006-05-18	2006-09-14
2007	2007-05-13	2007-09-29

Every Fixed Threshold

Fixed thresholds at Mott
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	98	90	1936	49
35 C (95 F): Days	95	38	1936	12
40 C (104 F): Days	27	14	1936	2
45 C (113 F): Days	1	1	1936	1
90 F (32.2 C): Days	98	64	1936	30
100 F (37.8 C): Days	71	26	1936	5
110 F (43.3 C): Days	1	2	1936	2
0 C (32 F): Ice days (max	98	107	1978	60
0 C (32 F): Frost days (min	98	212	1961	181
-10 C (14 F): Days with min	98	118	1909	92
-20 C (-4 F): Days with min	98	61	1916	24
-30 C (-22 F): Days with min	91	28	1916	3
-40 C (-40 F): Days with min	11	2	1912	1
20 C (68 F): Tropical nights (min	65	19	1936	3
25 C (77 F): Days with min	5	2	1919	2
10 mm (0.39 in): Days with 10 mm or more rain	92	21	1982	11
25 mm (0.98 in): Days with 25 mm or more rain	81	6	1953	2
50 mm (1.97 in): Days with 50 mm or more rain	24	2	1908	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1993	1
10 cm (3.9 in): Days with 10 cm or more snowfall	39	5	1982	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1994	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1997	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Mott 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).

Mott Threshold Days by Year

Key Facts for Mott Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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