Florence Threshold Days by Year

14 fixed thresholds counted per year at Florence (USC00023027): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Florence Thresholds

Florence: nights with a minimum temperature at or below 0 C (32 F) in 83 years, most in 1964 with 63.
Florence: nights with a minimum temperature at or above 20 C (68 F) in 83 years, most in 2000 with 124.
Florence: nights with a minimum temperature at or above 25 C (77 F) in 82 years, most in 1994 with 59.
Florence: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1931 with 20.
14 fixed thresholds have at least one qualifying day at Florence.

Days at or above 30 C (86 F)

80 years with a qualifying day

Days per year at Florence with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 222 in 1950.

Days at or above 30 C (86 F) per year at Florence
Year	Days	Decade average
1893	167	167
1910	215	193.6
1913	196	193.6
1914	168	193.6
1915	183	193.6
1916	206	193.6
1924	185	178
1925	176	178
1926	167	178
1928	184	178
1930	156	193
1931	210	193
1932	192	193
1933	186	193
1935	180	193
1936	202	193
1937	210	193
1938	180	193
1939	221	193
1940	214	196.1
1941	171	196.1
1942	193	196.1
1943	213	196.1
1944	186	196.1
1945	195	196.1
1946	186	196.1
1947	198	196.1
1948	197	196.1
1949	208	196.1
1950	222	199.2
1951	191	199.2
1952	199	199.2
1953	191	199.2
1954	218	199.2
1955	202	199.2
1956	209	199.2
1957	169	199.2
1958	195	199.2
1959	196	199.2
1960	204	196.9
1961	200	196.9
1962	211	196.9
1963	198	196.9
1964	184	196.9
1965	190	196.9
1966	208	196.9
1967	196	196.9
1968	195	196.9
1969	183	196.9
1970	182	195.7
1971	193	195.7
1972	216	195.7
1973	196	195.7
1974	198	195.7
1975	184	195.7
1976	195	195.7
1977	200	195.7
1978	196	195.7
1979	197	195.7
1980	196	190
1981	211	190
1982	174	190
1983	174	190
1984	176	190
1985	183	190
1986	199	190
1987	188	190
1988	193	190
1989	206	190
1990	194	181.3
1991	173	181.3
1992	182	181.3
1993	177	181.3
1994	177	181.3
1995	186	181.3
1996	171	181.3
1997	190	181.3
2000	181	185
2004	200	185
2005	174	185

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

First to last qualifying date each year at Florence
Year	First date	Last date
1893	1893-03-28	1893-09-30
1910	1910-01-21	1910-11-04
1913	1913-03-30	1913-11-09
1914	1914-03-08	1914-10-20
1915	1915-04-02	1915-11-23
1916	1916-03-09	1916-11-05
1924	1924-04-20	1924-11-23
1925	1925-03-06	1925-10-24
1926	1926-03-15	1926-11-24
1928	1928-03-26	1928-10-28
1930	1930-04-05	1930-11-05
1931	1931-03-21	1931-11-07
1932	1932-02-27	1932-11-06
1933	1933-03-10	1933-11-25
1935	1935-02-20	1935-11-06
1936	1936-03-09	1936-12-22
1937	1937-03-01	1937-11-22
1938	1938-03-24	1938-10-31
1939	1939-03-14	1939-12-20
1940	1940-01-30	1940-11-06
1941	1941-03-28	1941-11-11
1942	1942-03-29	1942-11-15
1943	1943-02-07	1943-11-21
1944	1944-04-02	1944-11-05
1945	1945-03-21	1945-11-28
1946	1946-03-02	1946-10-26
1947	1947-02-16	1947-11-01
1948	1948-02-22	1948-11-02
1949	1949-03-14	1949-11-30
1950	1950-02-25	1950-11-29
1951	1951-02-10	1951-11-03
1952	1952-04-01	1952-11-06
1953	1953-03-23	1953-11-30
1954	1954-02-05	1954-12-03
1955	1955-03-06	1955-11-20
1956	1956-03-04	1956-11-12
1957	1957-02-13	1957-10-10
1958	1958-02-18	1958-11-10
1959	1959-03-10	1959-10-28
1960	1960-03-06	1960-11-24
1961	1961-02-10	1961-10-27
1962	1962-02-10	1962-11-13
1963	1963-02-04	1963-11-13
1964	1964-03-28	1964-11-07
1965	1965-03-31	1965-11-14
1966	1966-03-12	1966-11-15
1967	1967-03-03	1967-11-18
1968	1968-02-26	1968-11-03
1969	1969-03-21	1969-11-04
1970	1970-02-08	1970-11-07
1971	1971-01-19	1971-11-11
1972	1972-02-19	1972-10-16
1973	1973-04-10	1973-11-13
1974	1974-02-28	1974-10-25
1975	1975-03-01	1975-11-14
1976	1976-03-22	1976-11-08
1977	1977-02-17	1977-11-13
1978	1978-03-17	1978-11-09
1979	1979-03-07	1979-11-03
1980	1980-02-27	1980-11-12
1981	1981-02-19	1981-12-09
1982	1982-02-21	1982-10-26
1983	1983-03-10	1983-11-07
1984	1984-03-13	1984-11-13
1985	1985-03-24	1985-11-04
1986	1986-02-25	1986-11-01
1987	1987-04-04	1987-10-29
1988	1988-03-20	1988-10-31
1989	1989-02-23	1989-11-11
1990	1990-03-19	1990-11-17
1991	1991-04-04	1991-11-07
1992	1992-04-10	1992-10-24
1993	1993-04-10	1993-10-26
1994	1994-03-03	1994-10-29
1995	1995-03-16	1995-11-25
1996	1996-03-20	1996-11-13
1997	1997-03-07	1997-11-09
2000	2000-04-04	2000-10-18
2004	2004-03-08	2004-10-20
2005	2005-03-11	2005-11-09

Every Fixed Threshold

Fixed thresholds at Florence
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	80	222	1950	174
35 C (95 F): Days	80	176	1910	128
40 C (104 F): Days	80	97	1948	63
45 C (113 F): Days	66	21	1936	3
90 F (32.2 C): Days	80	197	1910	154
100 F (37.8 C): Days	80	135	1978	89
110 F (43.3 C): Days	78	39	1970	19
0 C (32 F): Frost days (min	83	63	1964	9
-10 C (14 F): Days with min	2	3	1913	2
20 C (68 F): Tropical nights (min	83	124	2000	170
25 C (77 F): Days with min	82	59	1994	123
10 mm (0.39 in): Days with 10 mm or more rain	82	20	1931	8
25 mm (0.98 in): Days with 25 mm or more rain	66	5	1930	2
50 mm (1.97 in): Days with 50 mm or more rain	13	2	1972	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.

Download the Data

Data for Florence 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).

Florence Threshold Days by Year

Key Facts for Florence Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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