Hernando Threshold Days by Year (USC00223975)

19 fixed thresholds counted per year at Hernando (USC00223975): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hernando Thresholds

Hernando: days with 10 mm (0.39 in) or more of precipitation in 106 years, most in 1950 with 56.
Hernando: days with 25 mm (0.98 in) or more of precipitation in 106 years, most in 1979 with 26.
Hernando: days with 50 mm (1.97 in) or more of precipitation in 104 years, most in 2019 with 10.
Hernando: days with a maximum temperature at or above 30 C (86 F) in 102 years, most in 2007 with 161.
19 fixed thresholds have at least one qualifying day at Hernando.

Days at or above 30 C (86 F)

102 years with a qualifying day

Days per year at Hernando with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 161 in 2007.

Days at or above 30 C (86 F) per year at Hernando
Year	Days	Decade average
1894	72	72
1900	104	102.7
1901	100	102.7
1902	87	102.7
1903	97	102.7
1904	103	102.7
1905	105	102.7
1906	101	102.7
1907	108	102.7
1908	116	102.7
1909	106	102.7
1910	97	106.8
1911	128	106.8
1912	103	106.8
1913	106	106.8
1914	120	106.8
1915	99	106.8
1916	111	106.8
1917	83	106.8
1918	112	106.8
1919	109	106.8
1920	103	109.5
1921	130	109.5
1922	115	109.5
1923	94	109.5
1924	100	109.5
1925	137	109.5
1926	117	109.5
1927	108	109.5
1928	100	109.5
1929	91	109.5
1930	85	102.3
1931	112	102.3
1932	88	102.3
1933	104	102.3
1934	113	102.3
1935	105	102.3
1939	109	102.3
1940	93	102.8
1941	130	102.8
1942	94	102.8
1943	108	102.8
1944	109	102.8
1946	84	102.8
1947	102	102.8
1948	102	102.8
1950	73	115.4
1951	114	115.4
1952	126	115.4
1953	136	115.4
1954	128	115.4
1968	93	94.5
1969	96	94.5
1970	96	96.6
1971	108	96.6
1972	116	96.6
1973	112	96.6
1974	69	96.6
1975	81	96.6
1976	71	96.6
1977	119	96.6
1978	99	96.6
1979	95	96.6
1980	122	101.5
1981	103	101.5
1982	111	101.5
1983	98	101.5
1984	91	101.5
1985	88	101.5
1986	112	101.5
1987	121	101.5
1988	98	101.5
1989	71	101.5
1990	91	84.9
1991	96	84.9
1992	56	84.9
1993	88	84.9
1994	84	84.9
1996	66	84.9
1998	115	84.9
1999	83	84.9
2000	100	118.7
2001	92	118.7
2004	122	118.7
2006	134	118.7
2007	161	118.7
2009	103	118.7
2012	116	104.4
2013	94	104.4
2014	83	104.4
2015	96	104.4
2016	112	104.4
2017	95	104.4
2018	122	104.4
2019	117	104.4
2020	90	97.6
2021	81	97.6
2022	95	97.6
2023	93	97.6
2024	97	97.6
2025	110	97.6
2026	117	97.6

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

First to last qualifying date each year at Hernando
Year	First date	Last date
1894	1894-04-28	1894-10-02
1900	1900-05-07	1900-10-05
1901	1901-05-01	1901-09-23
1902	1902-05-03	1902-09-22
1903	1903-05-22	1903-10-23
1904	1904-05-11	1904-10-18
1905	1905-04-27	1905-10-07
1906	1906-04-11	1906-10-22
1907	1907-03-20	1907-10-07
1908	1908-03-18	1908-10-20
1909	1909-06-05	1909-11-04
1910	1910-03-23	1910-10-19
1911	1911-03-11	1911-10-15
1912	1912-05-07	1912-10-11
1913	1913-04-18	1913-10-10
1914	1914-04-16	1914-09-22
1915	1915-04-17	1915-10-16
1916	1916-05-08	1916-11-12
1917	1917-04-24	1917-10-18
1918	1918-03-22	1918-10-06
1919	1919-04-21	1919-10-10
1920	1920-04-17	1920-10-22
1921	1921-03-21	1921-10-26
1922	1922-04-06	1922-10-29
1923	1923-05-21	1923-10-14
1924	1924-04-16	1924-10-19
1925	1925-03-07	1925-10-06
1926	1926-05-09	1926-10-19
1927	1927-05-07	1927-11-01
1928	1928-05-10	1928-10-16
1929	1929-03-24	1929-09-29
1930	1930-05-01	1930-09-14
1931	1931-05-16	1931-10-26
1932	1932-04-21	1932-09-18
1933	1933-05-18	1933-09-30
1934	1934-05-04	1934-10-24
1935	1935-05-10	1935-10-16
1939	1939-05-23	1939-10-23
1940	1940-04-03	1940-10-27
1941	1941-04-11	1941-10-23
1942	1942-05-27	1942-10-09
1943	1943-04-10	1943-09-16
1944	1944-05-11	1944-10-06
1946	1946-04-08	1946-09-27
1947	1947-05-05	1947-10-23
1948	1948-05-13	1948-09-23
1950	1950-05-09	1950-10-17
1951	1951-04-29	1951-10-19
1952	1952-04-30	1952-10-02
1953	1953-05-23	1953-10-23
1954	1954-04-27	1954-10-12
1968	1968-05-15	1968-10-02
1969	1969-05-15	1969-10-12
1970	1970-05-01	1970-10-02
1971	1971-04-19	1971-10-17
1972	1972-04-14	1972-10-17
1973	1973-05-10	1973-10-10
1974	1974-05-17	1974-09-20
1975	1975-05-21	1975-10-14
1976	1976-05-12	1976-10-04
1977	1977-05-07	1977-10-01
1978	1978-04-07	1978-10-12
1979	1979-05-10	1979-10-21
1980	1980-04-21	1980-10-10
1981	1981-04-27	1981-10-05
1982	1982-05-04	1982-10-09
1983	1983-06-03	1983-09-19
1984	1984-05-12	1984-09-25
1985	1985-05-14	1985-10-13
1986	1986-05-08	1986-10-04
1987	1987-04-20	1987-09-18
1988	1988-05-06	1988-09-24
1989	1989-04-22	1989-09-13
1990	1990-06-02	1990-09-29
1991	1991-05-13	1991-09-18
1992	1992-05-15	1992-09-18
1993	1993-05-08	1993-09-25
1994	1994-06-01	1994-10-08
1996	1996-05-16	1996-09-08
1998	1998-05-14	1998-10-05
1999	1999-04-24	1999-09-29
2000	2000-05-13	2000-10-07
2001	2001-04-10	2001-09-24
2004	2004-04-24	2004-10-29
2006	2006-04-14	2006-10-19
2007	2007-03-24	2007-10-19
2009	2009-04-24	2009-10-09
2012	2012-03-18	2012-09-28
2013	2013-04-18	2013-10-06
2014	2014-05-05	2014-10-09
2015	2015-05-08	2015-10-16
2016	2016-05-12	2016-10-20
2017	2017-04-15	2017-10-15
2018	2018-05-03	2018-10-09
2019	2019-05-08	2019-10-11
2020	2020-05-23	2020-09-17
2021	2021-05-04	2021-10-09
2022	2022-05-11	2022-09-26
2023	2023-04-05	2023-10-04
2024	2024-04-27	2024-10-14
2025	2025-04-03	2025-10-16
2026	2026-03-23	2026-10-15

Every Fixed Threshold

Fixed thresholds at Hernando
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	102	161	2007	117
35 C (95 F): Days	100	81	1954	39
40 C (104 F): Days	13	9	2006	9
90 F (32.2 C): Days	102	129	2007	82
100 F (37.8 C): Days	45	37	1954	6
110 F (43.3 C): Days	2	2	2007	2
0 C (32 F): Ice days (max	93	18	1978	4
0 C (32 F): Frost days (min	102	93	2014	34
-10 C (14 F): Days with min	78	18	1917	4
-20 C (-4 F): Days with min	5	2	1918	1
20 C (68 F): Tropical nights (min	102	116	1921	113
25 C (77 F): Days with min	72	11	1934	11
10 mm (0.39 in): Days with 10 mm or more rain	106	56	1950	24
25 mm (0.98 in): Days with 25 mm or more rain	106	26	1979	11
50 mm (1.97 in): Days with 50 mm or more rain	104	10	2019	2
100 mm (3.94 in): Days with 100 mm or more rain	30	3	1935	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1935	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	3	1940	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1968	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Hernando 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).

Hernando Threshold Days by Year (USC00223975)

Key Facts for Hernando Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related