Scipio Threshold Days by Year (USC00427714)

18 fixed thresholds counted per year at Scipio (USC00427714): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Scipio Thresholds

Scipio: days with a maximum temperature at or above 30 C (86 F) in 116 years, most in 2018 with 97.
Scipio: days with a maximum temperature at or above 90 F (32.2 C) in 116 years, most in 2020 with 69.
Scipio: days with a maximum temperature at or below 0 C (32 F) in 116 years, most in 1949 with 45.
Scipio: nights with a minimum temperature at or below 0 C (32 F) in 115 years, most in 1908 with 225.
18 fixed thresholds have at least one qualifying day at Scipio.

Days at or above 30 C (86 F)

116 years with a qualifying day

Days per year at Scipio with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 97 in 2018.

Days at or above 30 C (86 F) per year at Scipio
Year	Days	Decade average
1896	57	67.3
1897	67	67.3
1898	81	67.3
1899	64	67.3
1900	72	65.2
1901	75	65.2
1902	90	65.2
1903	81	65.2
1904	80	65.2
1905	66	65.2
1906	53	65.2
1907	40	65.2
1908	41	65.2
1909	54	65.2
1910	73	53.4
1911	49	53.4
1912	43	53.4
1913	53	53.4
1914	54	53.4
1915	57	53.4
1916	41	53.4
1917	54	53.4
1918	57	53.4
1920	27	45.2
1921	36	45.2
1922	22	45.2
1923	21	45.2
1925	36	45.2
1926	61	45.2
1927	66	45.2
1928	70	45.2
1929	68	45.2
1930	81	74.5
1931	84	74.5
1932	84	74.5
1933	94	74.5
1934	61	74.5
1935	70	74.5
1936	70	74.5
1937	72	74.5
1938	62	74.5
1939	67	74.5
1940	66	67.7
1941	40	67.7
1942	65	67.7
1943	69	67.7
1944	52	67.7
1945	60	67.7
1946	85	67.7
1947	79	67.7
1948	86	67.7
1949	75	67.7
1950	64	63.7
1951	58	63.7
1952	70	63.7
1953	65	63.7
1954	51	63.7
1955	60	63.7
1956	68	63.7
1957	57	63.7
1958	68	63.7
1959	76	63.7
1960	75	66.8
1961	64	66.8
1962	67	66.8
1963	65	66.8
1966	60	66.8
1969	70	66.8
1970	65	65.6
1971	75	65.6
1972	56	65.6
1973	39	65.6
1974	84	65.6
1975	44	65.6
1976	61	65.6
1977	88	65.6
1978	62	65.6
1979	82	65.6
1980	59	65.5
1981	82	65.5
1982	35	65.5
1983	53	65.5
1984	64	65.5
1985	77	65.5
1986	74	65.5
1987	56	65.5
1988	87	65.5
1989	68	65.5
1990	78	62.5
1991	60	62.5
1993	52	62.5
1999	60	62.5
2000	84	83
2001	94	83
2002	82	83
2003	86	83
2004	66	83
2007	87	83
2008	82	83
2010	69	79.8
2011	67	79.8
2012	81	79.8
2013	76	79.8
2014	74	79.8
2015	85	79.8
2016	80	79.8
2017	93	79.8
2018	97	79.8
2019	76	79.8
2020	96	86.9
2021	89	86.9
2022	89	86.9
2023	58	86.9
2024	92	86.9
2025	90	86.9
2026	94	86.9

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

First to last qualifying date each year at Scipio
Year	First date	Last date
1896	1896-05-27	1896-09-15
1897	1897-05-28	1897-09-07
1898	1898-04-15	1898-09-26
1899	1899-06-10	1899-09-13
1900	1900-05-09	1900-08-30
1901	1901-05-12	1901-09-19
1902	1902-05-25	1902-09-14
1903	1903-05-12	1903-09-22
1904	1904-06-06	1904-10-03
1905	1905-04-29	1905-09-23
1906	1906-06-09	1906-09-06
1907	1907-04-12	1907-09-11
1908	1908-06-11	1908-09-07
1909	1909-06-03	1909-08-28
1910	1910-05-27	1910-10-10
1911	1911-06-11	1911-09-23
1912	1912-06-02	1912-08-30
1913	1913-05-23	1913-09-21
1914	1914-06-17	1914-09-26
1915	1915-06-12	1915-09-23
1916	1916-05-06	1916-09-01
1917	1917-06-09	1917-09-03
1918	1918-06-06	1918-09-20
1920	1920-06-22	1920-08-17
1921	1921-06-10	1921-08-10
1922	1922-06-17	1922-09-15
1923	1923-06-11	1923-09-10
1925	1925-06-19	1925-08-30
1926	1926-05-22	1926-10-16
1927	1927-05-15	1927-09-21
1928	1928-05-08	1928-09-25
1929	1929-05-24	1929-10-06
1930	1930-05-27	1930-09-20
1931	1931-05-13	1931-09-03
1932	1932-05-15	1932-09-26
1933	1933-05-26	1933-09-29
1934	1934-04-29	1934-09-17
1935	1935-06-07	1935-09-20
1936	1936-05-04	1936-09-24
1937	1937-05-09	1937-09-19
1938	1938-05-26	1938-09-27
1939	1939-05-28	1939-09-21
1940	1940-05-10	1940-08-31
1941	1941-05-11	1941-09-19
1942	1942-05-21	1942-09-08
1943	1943-05-26	1943-09-18
1944	1944-06-29	1944-09-11
1945	1945-06-18	1945-09-15
1946	1946-05-22	1946-09-29
1947	1947-05-02	1947-10-05
1948	1948-05-16	1948-09-15
1949	1949-04-23	1949-09-24
1950	1950-05-22	1950-09-13
1951	1951-05-27	1951-09-17
1952	1952-06-06	1952-09-26
1953	1953-06-10	1953-09-30
1954	1954-05-18	1954-09-10
1955	1955-06-07	1955-09-11
1956	1956-05-31	1956-09-19
1957	1957-06-04	1957-09-08
1958	1958-05-20	1958-09-23
1959	1959-05-13	1959-09-10
1960	1960-05-11	1960-09-27
1961	1961-06-07	1961-08-31
1962	1962-06-20	1962-09-26
1963	1963-06-20	1963-10-03
1966	1966-05-27	1966-09-25
1969	1969-05-26	1969-09-10
1970	1970-05-17	1970-09-01
1971	1971-06-14	1971-09-14
1972	1972-05-16	1972-08-26
1973	1973-05-18	1973-09-15
1974	1974-05-26	1974-09-24
1975	1975-06-06	1975-09-08
1976	1976-05-14	1976-09-05
1977	1977-04-27	1977-09-09
1978	1978-06-08	1978-09-06
1979	1979-06-11	1979-10-02
1980	1980-06-09	1980-10-06
1981	1981-06-06	1981-09-18
1982	1982-06-17	1982-09-23
1983	1983-05-27	1983-09-17
1984	1984-05-12	1984-09-19
1985	1985-04-30	1985-09-03
1986	1986-05-26	1986-09-07
1987	1987-06-04	1987-09-10
1988	1988-05-25	1988-09-09
1989	1989-05-06	1989-09-16
1990	1990-06-03	1990-09-15
1991	1991-06-11	1991-09-04
1993	1993-06-14	1993-08-29
1999	1999-06-14	1999-09-09
2000	2000-05-23	2000-09-17
2001	2001-05-24	2001-09-28
2002	2002-05-20	2002-09-15
2003	2003-05-22	2003-09-29
2004	2004-06-01	2004-09-17
2007	2007-05-11	2007-09-14
2008	2008-05-18	2008-10-03
2010	2010-06-04	2010-10-02
2011	2011-06-15	2011-09-04
2012	2012-05-16	2012-09-09
2013	2013-05-12	2013-09-06
2014	2014-05-26	2014-09-24
2015	2015-05-31	2015-10-01
2016	2016-06-02	2016-09-19
2017	2017-05-24	2017-09-12
2018	2018-06-03	2018-09-18
2019	2019-06-06	2019-09-15
2020	2020-05-27	2020-09-25
2021	2021-06-01	2021-09-27
2022	2022-05-15	2022-09-11
2023	2023-06-25	2023-09-09
2024	2024-06-01	2024-10-04
2025	2025-05-29	2025-09-16
2026	2026-03-25	2026-10-05

Every Fixed Threshold

Fixed thresholds at Scipio
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	116	97	2018	94
35 C (95 F): Days	107	44	1932	36
40 C (104 F): Days	7	5	1931	1
90 F (32.2 C): Days	116	69	2020	63
100 F (37.8 C): Days	40	8	1931	9
0 C (32 F): Ice days (max	116	45	1949	3
0 C (32 F): Frost days (min	115	225	1908	88
-10 C (14 F): Days with min	115	93	1898	20
-20 C (-4 F): Days with min	107	30	2013	1
-30 C (-22 F): Days with min	41	9	1949	4
-40 C (-40 F): Days with min	1	2	1937	2
20 C (68 F): Tropical nights (min	67	11	2018	11
25 C (77 F): Days with min	2	1	2021	1
10 mm (0.39 in): Days with 10 mm or more rain	100	22	1983	8
25 mm (0.98 in): Days with 25 mm or more rain	48	5	1905	3
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1966	1
10 cm (3.9 in): Days with 10 cm or more snowfall	70	10	1949	3
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	2010	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Scipio 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).

Scipio Threshold Days by Year (USC00427714)

Key Facts for Scipio Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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