Grant City Threshold Days by Year (USC00233369)

20 fixed thresholds counted per year at Grant City (USC00233369): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grant City Thresholds

Grant City: days with 10 mm (0.39 in) or more of precipitation in 100 years, most in 1896 with 42.
Grant City: days with 25 mm (0.98 in) or more of precipitation in 100 years, most in 1915 with 17.
Grant City: days with a maximum temperature at or above 30 C (86 F) in 97 years, most in 1953 with 93.
Grant City: days with a maximum temperature at or above 90 F (32.2 C) in 97 years, most in 1911 with 70.
20 fixed thresholds have at least one qualifying day at Grant City.

Days at or above 30 C (86 F)

97 years with a qualifying day

Days per year at Grant City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 93 in 1953.

Days at or above 30 C (86 F) per year at Grant City
Year	Days	Decade average
1903	27	46.6
1904	34	46.6
1905	54	46.6
1906	59	46.6
1907	47	46.6
1908	54	46.6
1909	51	46.6
1910	67	71
1911	91	71
1912	69	71
1913	87	71
1914	85	71
1915	28	71
1916	72	71
1917	49	71
1918	83	71
1919	79	71
1920	52	56.1
1922	75	56.1
1923	71	56.1
1924	40	56.1
1925	73	56.1
1927	46	56.1
1928	46	56.1
1929	46	56.1
1930	66	73.1
1931	78	73.1
1933	51	73.1
1934	86	73.1
1935	49	73.1
1936	82	73.1
1937	76	73.1
1938	86	73.1
1939	84	73.1
1940	58	58.5
1941	74	58.5
1942	56	58.5
1943	62	58.5
1944	61	58.5
1945	39	58.5
1946	51	58.5
1947	65	58.5
1948	68	58.5
1949	51	58.5
1950	18	60.9
1951	37	60.9
1952	73	60.9
1953	93	60.9
1954	77	60.9
1955	84	60.9
1956	87	60.9
1957	40	60.9
1958	43	60.9
1959	57	60.9
1960	51	53.9
1961	50	53.9
1962	62	53.9
1963	73	53.9
1964	61	53.9
1965	45	53.9
1966	46	53.9
1967	42	53.9
1968	59	53.9
1969	50	53.9
1970	58	62.6
1971	72	62.6
1972	54	62.6
1973	61	62.6
1974	50	62.6
1975	70	62.6
1976	70	62.6
1977	65	62.6
1978	65	62.6
1979	61	62.6
1980	90	65.3
1981	47	65.3
1984	64	65.3
1985	59	65.3
1986	53	65.3
1987	71	65.3
1988	91	65.3
1989	47	65.3
1991	68	43.3
1992	22	43.3
1993	30	43.3
1994	47	43.3
1995	55	43.3
1996	26	43.3
1997	53	43.3
1998	45	43.3
2000	62	47.1
2001	46	47.1
2002	68	47.1
2003	47	47.1
2006	45	47.1
2007	49	47.1
2008	13	47.1

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

First to last qualifying date each year at Grant City
Year	First date	Last date
1903	1903-06-29	1903-08-26
1904	1904-06-18	1904-10-04
1905	1905-04-09	1905-09-27
1906	1906-04-24	1906-09-17
1907	1907-03-20	1907-09-18
1908	1908-04-19	1908-10-17
1909	1909-05-05	1909-10-03
1910	1910-03-22	1910-10-16
1911	1911-05-08	1911-09-27
1912	1912-05-19	1912-10-05
1913	1913-04-30	1913-09-23
1914	1914-05-10	1914-09-16
1915	1915-04-28	1915-09-13
1916	1916-04-12	1916-10-08
1917	1917-05-19	1917-09-16
1918	1918-05-03	1918-10-17
1919	1919-05-30	1919-10-02
1920	1920-05-22	1920-10-11
1922	1922-05-06	1922-10-06
1923	1923-05-30	1923-09-26
1924	1924-05-05	1924-09-11
1925	1925-05-20	1925-09-20
1927	1927-05-23	1927-10-25
1928	1928-05-09	1928-10-10
1929	1929-04-04	1929-09-03
1930	1930-04-10	1930-09-25
1931	1931-05-16	1931-09-20
1933	1933-05-19	1933-09-18
1934	1934-05-06	1934-09-01
1935	1935-07-01	1935-09-25
1936	1936-04-20	1936-09-21
1937	1937-05-20	1937-10-29
1938	1938-05-18	1938-10-17
1939	1939-04-24	1939-10-24
1940	1940-04-14	1940-10-25
1941	1941-05-14	1941-09-22
1942	1942-04-04	1942-10-02
1943	1943-04-29	1943-09-05
1944	1944-05-14	1944-09-17
1945	1945-05-20	1945-09-23
1946	1946-06-06	1946-09-26
1947	1947-05-14	1947-10-21
1948	1948-04-18	1948-09-30
1949	1949-05-05	1949-10-08
1950	1950-04-23	1950-10-31
1951	1951-05-31	1951-10-03
1952	1952-05-02	1952-09-30
1953	1953-04-22	1953-10-18
1954	1954-06-10	1954-10-03
1955	1955-04-18	1955-09-21
1956	1956-04-01	1956-10-12
1957	1957-06-04	1957-09-01
1958	1958-05-27	1958-09-24
1959	1959-05-01	1959-09-08
1960	1960-04-22	1960-09-08
1961	1961-04-23	1961-09-09
1962	1962-05-05	1962-09-13
1963	1963-05-08	1963-10-15
1964	1964-04-16	1964-09-08
1965	1965-04-22	1965-09-09
1966	1966-05-05	1966-08-31
1967	1967-04-16	1967-09-25
1968	1968-05-01	1968-09-02
1969	1969-05-26	1969-09-30
1970	1970-04-28	1970-09-20
1971	1971-06-03	1971-10-01
1972	1972-04-06	1972-09-19
1973	1973-05-18	1973-09-21
1974	1974-06-14	1974-09-18
1975	1975-04-17	1975-10-13
1976	1976-05-20	1976-10-03
1977	1977-05-26	1977-09-07
1978	1978-05-24	1978-09-18
1979	1979-05-28	1979-09-29
1980	1980-04-20	1980-10-09
1981	1981-04-02	1981-09-30
1984	1984-05-18	1984-09-24
1985	1985-05-25	1985-09-19
1986	1986-03-29	1986-09-28
1987	1987-04-19	1987-09-26
1988	1988-03-22	1988-09-27
1989	1989-04-21	1989-10-13
1991	1991-05-13	1991-09-15
1992	1992-04-30	1992-09-05
1993	1993-06-16	1993-10-06
1994	1994-05-23	1994-10-01
1995	1995-06-07	1995-09-04
1996	1996-05-17	1996-08-14
1997	1997-05-18	1997-10-06
1998	1998-05-19	1998-09-28
2000	2000-04-05	2000-09-25
2001	2001-05-14	2001-09-05
2002	2002-04-15	2002-10-01
2003	2003-05-30	2003-10-18
2006	2006-04-14	2006-10-04
2007	2007-04-30	2007-09-22
2008	2008-05-26	2008-09-02

Every Fixed Threshold

Fixed thresholds at Grant City
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	97	93	1953	13
35 C (95 F): Days	91	52	1936	2
40 C (104 F): Days	23	20	1936	7
90 F (32.2 C): Days	97	70	1911	3
100 F (37.8 C): Days	46	36	1936	1
110 F (43.3 C): Days	4	3	1934	2
0 C (32 F): Ice days (max	97	64	1985	51
0 C (32 F): Frost days (min	92	151	1952	148
-10 C (14 F): Days with min	92	65	2008	65
-20 C (-4 F): Days with min	88	27	1936	11
-30 C (-22 F): Days with min	9	3	1936	2
20 C (68 F): Tropical nights (min	92	57	1936	7
25 C (77 F): Days with min	30	10	1980	1
10 mm (0.39 in): Days with 10 mm or more rain	100	42	1896	35
25 mm (0.98 in): Days with 25 mm or more rain	100	17	1915	10
50 mm (1.97 in): Days with 50 mm or more rain	86	5	1928	1
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1907	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	66	6	1960	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	2	1942	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Grant City 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).

Grant City Threshold Days by Year (USC00233369)

Key Facts for Grant City Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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