Jamestown State Hosp Threshold Days by Year (USC00324418)

21 fixed thresholds counted per year at Jamestown State Hosp (USC00324418): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jamestown State Hosp Thresholds

Jamestown State Hosp: days with a maximum temperature at or above 30 C (86 F) in 129 years, most in 1936 with 75.
Jamestown State Hosp: days with a maximum temperature at or above 90 F (32.2 C) in 129 years, most in 1988 with 56.
Jamestown State Hosp: days with a maximum temperature at or below 0 C (32 F) in 129 years, most in 1951 with 120.
Jamestown State Hosp: nights with a minimum temperature at or below 0 C (32 F) in 127 years, most in 1907 with 219.
21 fixed thresholds have at least one qualifying day at Jamestown State Hosp.

Days at or above 30 C (86 F)

129 years with a qualifying day

Days per year at Jamestown State Hosp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 1936.

Days at or above 30 C (86 F) per year at Jamestown State Hosp
Year	Days	Decade average
1893	31	27.5
1894	44	27.5
1896	18	27.5
1897	17	27.5
1900	48	25.6
1901	24	25.6
1902	15	25.6
1903	21	25.6
1904	21	25.6
1905	30	25.6
1907	19	25.6
1908	34	25.6
1909	18	25.6
1910	30	29.9
1911	6	29.9
1912	18	29.9
1913	29	29.9
1914	51	29.9
1915	27	29.9
1916	31	29.9
1917	40	29.9
1918	27	29.9
1919	40	29.9
1920	32	29.6
1921	44	29.6
1922	37	29.6
1923	26	29.6
1924	21	29.6
1925	35	29.6
1926	28	29.6
1927	12	29.6
1928	19	29.6
1929	42	29.6
1930	40	48.4
1931	47	48.4
1932	34	48.4
1933	50	48.4
1934	50	48.4
1935	36	48.4
1936	75	48.4
1937	49	48.4
1938	41	48.4
1939	62	48.4
1940	54	35.7
1941	47	35.7
1942	17	35.7
1943	37	35.7
1944	37	35.7
1945	24	35.7
1946	27	35.7
1947	39	35.7
1948	43	35.7
1949	32	35.7
1950	26	34.7
1951	18	34.7
1952	51	34.7
1953	34	34.7
1954	23	34.7
1955	49	34.7
1956	22	34.7
1957	33	34.7
1958	40	34.7
1959	51	34.7
1960	47	33.8
1961	48	33.8
1962	16	33.8
1963	39	33.8
1964	30	33.8
1965	14	33.8
1966	34	33.8
1967	39	33.8
1968	25	33.8
1969	46	33.8
1970	67	43
1971	28	43
1972	42	43
1973	45	43
1974	45	43
1975	31	43
1976	67	43
1977	33	43
1978	41	43
1979	31	43
1980	54	43.7
1981	39	43.7
1982	41	43.7
1984	47	43.7
1985	29	43.7
1986	21	43.7
1987	47	43.7
1988	67	43.7
1989	48	43.7
1990	36	27.2
1991	36	27.2
1992	24	27.2
1993	15	27.2
1994	19	27.2
1995	28	27.2
1996	27	27.2
1997	28	27.2
1998	35	27.2
1999	24	27.2
2000	29	25.4
2001	25	25.4
2002	43	25.4
2003	30	25.4
2004	8	25.4
2005	26	25.4
2006	38	25.4
2007	32	25.4
2008	12	25.4
2009	11	25.4
2010	20	25.5
2011	22	25.5
2012	46	25.5
2013	29	25.5
2014	10	25.5
2015	31	25.5
2016	20	25.5
2017	26	25.5
2018	31	25.5
2019	20	25.5
2020	30	35.9
2021	50	35.9
2022	31	35.9
2023	39	35.9
2024	30	35.9
2025	34	35.9
2026	37	35.9

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

First to last qualifying date each year at Jamestown State Hosp
Year	First date	Last date
1893	1893-05-18	1893-09-12
1894	1894-05-13	1894-09-06
1896	1896-06-19	1896-09-07
1897	1897-06-13	1897-10-01
1900	1900-04-21	1900-09-02
1901	1901-05-02	1901-09-04
1902	1902-06-10	1902-09-08
1903	1903-05-15	1903-08-24
1904	1904-06-17	1904-09-10
1905	1905-07-10	1905-10-06
1907	1907-06-16	1907-08-30
1908	1908-04-21	1908-09-20
1909	1909-05-04	1909-10-05
1910	1910-04-27	1910-08-20
1911	1911-06-18	1911-08-13
1912	1912-06-23	1912-09-08
1913	1913-04-15	1913-09-12
1914	1914-05-09	1914-10-02
1915	1915-04-14	1915-09-07
1916	1916-05-07	1916-09-03
1917	1917-05-16	1917-09-23
1918	1918-05-05	1918-10-20
1919	1919-05-27	1919-09-16
1920	1920-06-07	1920-09-18
1921	1921-05-21	1921-09-03
1922	1922-06-03	1922-09-30
1923	1923-04-18	1923-09-03
1924	1924-07-06	1924-09-02
1925	1925-05-19	1925-09-15
1926	1926-04-20	1926-09-01
1927	1927-06-19	1927-09-13
1928	1928-05-07	1928-09-07
1929	1929-05-25	1929-09-22
1930	1930-05-02	1930-09-09
1931	1931-05-14	1931-09-11
1932	1932-05-13	1932-09-13
1933	1933-06-01	1933-09-18
1934	1934-04-28	1934-10-13
1935	1935-06-08	1935-09-22
1936	1936-05-14	1936-10-08
1937	1937-05-28	1937-09-20
1938	1938-06-05	1938-10-03
1939	1939-05-05	1939-09-21
1940	1940-05-11	1940-09-19
1941	1941-05-17	1941-09-19
1942	1942-07-09	1942-09-11
1943	1943-06-18	1943-09-26
1944	1944-05-13	1944-08-19
1945	1945-06-21	1945-09-06
1946	1946-06-10	1946-08-20
1947	1947-07-02	1947-09-07
1948	1948-05-18	1948-09-18
1949	1949-05-12	1949-09-25
1950	1950-06-05	1950-09-07
1951	1951-05-23	1951-08-06
1952	1952-04-26	1952-09-27
1953	1953-06-11	1953-10-01
1954	1954-05-20	1954-08-31
1955	1955-05-02	1955-10-10
1956	1956-05-21	1956-09-27
1957	1957-06-09	1957-08-31
1958	1958-05-11	1958-10-13
1959	1959-05-01	1959-09-11
1960	1960-05-13	1960-10-04
1961	1961-06-04	1961-09-08
1962	1962-04-24	1962-08-27
1963	1963-05-07	1963-10-04
1964	1964-05-20	1964-09-01
1965	1965-06-19	1965-08-16
1966	1966-05-21	1966-09-12
1967	1967-05-24	1967-09-25
1968	1968-04-30	1968-09-14
1969	1969-05-14	1969-09-14
1970	1970-05-17	1970-10-05
1971	1971-07-02	1971-09-13
1972	1972-05-15	1972-09-20
1973	1973-05-31	1973-08-31
1974	1974-06-03	1974-09-26
1975	1975-05-16	1975-10-07
1976	1976-05-14	1976-09-30
1977	1977-04-09	1977-09-05
1978	1978-06-14	1978-09-11
1979	1979-05-28	1979-09-26
1980	1980-04-20	1980-10-06
1981	1981-06-27	1981-09-13
1982	1982-05-03	1982-09-11
1984	1984-05-16	1984-09-22
1985	1985-04-29	1985-08-09
1986	1986-05-31	1986-08-19
1987	1987-04-18	1987-09-15
1988	1988-05-18	1988-10-14
1989	1989-06-06	1989-09-30
1990	1990-04-22	1990-09-26
1991	1991-05-12	1991-09-07
1992	1992-04-30	1992-10-01
1993	1993-05-13	1993-10-06
1994	1994-05-17	1994-09-10
1995	1995-06-13	1995-09-15
1996	1996-06-09	1996-09-09
1997	1997-05-17	1997-10-01
1998	1998-06-25	1998-09-18
1999	1999-05-29	1999-08-31
2000	2000-05-05	2000-09-18
2001	2001-05-14	2001-09-06
2002	2002-05-28	2002-09-17
2003	2003-04-13	2003-10-19
2004	2004-06-30	2004-09-19
2005	2005-04-18	2005-09-10
2006	2006-05-23	2006-10-01
2007	2007-05-18	2007-09-29
2008	2008-06-27	2008-09-20
2009	2009-06-21	2009-08-25
2010	2010-05-29	2010-08-30
2011	2011-06-07	2011-09-12
2012	2012-05-18	2012-09-16
2013	2013-05-14	2013-09-07
2014	2014-05-29	2014-09-27
2015	2015-06-09	2015-10-12
2016	2016-05-06	2016-08-29
2017	2017-06-02	2017-09-13
2018	2018-05-17	2018-08-17
2019	2019-05-31	2019-09-21
2020	2020-06-02	2020-09-03
2021	2021-05-20	2021-09-29
2022	2022-06-19	2022-09-20
2023	2023-05-24	2023-10-02
2024	2024-05-18	2024-10-11
2025	2025-05-11	2025-10-04
2026	2026-05-26	2026-10-11

Every Fixed Threshold

Fixed thresholds at Jamestown State Hosp
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	129	75	1936	37
35 C (95 F): Days	112	34	1936	7
40 C (104 F): Days	23	12	1936	1
45 C (113 F): Days	1	2	1936	2
90 F (32.2 C): Days	129	56	1988	24
100 F (37.8 C): Days	69	17	1936	1
110 F (43.3 C): Days	2	2	1936	2
0 C (32 F): Ice days (max	129	120	1951	43
0 C (32 F): Frost days (min	127	219	1907	113
-10 C (14 F): Days with min	127	125	1937	47
-20 C (-4 F): Days with min	127	74	1916	15
-30 C (-22 F): Days with min	111	31	1936	5
-40 C (-40 F): Days with min	4	3	1918	3
20 C (68 F): Tropical nights (min	103	16	1936	5
25 C (77 F): Days with min	7	4	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	117	26	1896	15
25 mm (0.98 in): Days with 25 mm or more rain	115	9	1962	3
50 mm (1.97 in): Days with 50 mm or more rain	44	3	1962	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1918	1
10 cm (3.9 in): Days with 10 cm or more snowfall	82	8	2009	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	1919	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

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Data for Jamestown State Hosp 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).

Jamestown State Hosp Threshold Days by Year (USC00324418)

Key Facts for Jamestown State Hosp Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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