Florence #1 Threshold Days by Year (USC00383109)

16 fixed thresholds counted per year at Florence #1 (USC00383109): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Florence #1 Thresholds

Florence #1: days with a maximum temperature at or above 30 C (86 F) in 40 years, most in 1910 with 156.
Florence #1: days with a maximum temperature at or above 35 C (95 F) in 40 years, most in 1911 with 73.
Florence #1: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 1911 with 127.
Florence #1: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1904 with 70.
16 fixed thresholds have at least one qualifying day at Florence #1.

Days at or above 30 C (86 F)

40 years with a qualifying day

Days per year at Florence #1 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 156 in 1910.

Days at or above 30 C (86 F) per year at Florence #1
Year	Days	Decade average
1896	126	118.7
1897	116	118.7
1899	114	118.7
1901	111	119.9
1902	116	119.9
1903	107	119.9
1904	112	119.9
1905	122	119.9
1906	121	119.9
1907	126	119.9
1908	125	119.9
1909	139	119.9
1910	156	125.8
1911	154	125.8
1913	109	125.8
1914	118	125.8
1915	121	125.8
1916	116	125.8
1917	102	125.8
1918	127	125.8
1919	129	125.8
1920	126	115.7
1921	130	115.7
1923	122	115.7
1924	121	115.7
1927	113	115.7
1928	100	115.7
1929	98	115.7
1930	129	115.1
1931	122	115.1
1932	105	115.1
1933	126	115.1
1934	117	115.1
1935	111	115.1
1936	116	115.1
1937	111	115.1
1939	99	115.1
1940	91	105
1941	127	105
1942	97	105

For each year, a bar from the first to the last day at Florence #1 meeting 30 C (86 F).

First to last qualifying date each year at Florence #1
Year	First date	Last date
1896	1896-04-02	1896-09-30
1897	1897-04-29	1897-09-28
1899	1899-04-15	1899-09-26
1901	1901-05-02	1901-09-29
1902	1902-04-30	1902-10-05
1903	1903-05-19	1903-10-08
1904	1904-02-08	1904-10-13
1905	1905-04-01	1905-10-21
1906	1906-04-11	1906-10-01
1907	1907-03-15	1907-10-21
1908	1908-03-09	1908-11-11
1909	1909-03-10	1909-10-24
1910	1910-03-25	1910-10-28
1911	1911-03-13	1911-10-17
1913	1913-04-25	1913-10-18
1914	1914-04-27	1914-10-14
1915	1915-04-20	1915-11-03
1916	1916-04-14	1916-11-11
1917	1917-04-18	1917-10-29
1918	1918-02-16	1918-10-28
1919	1919-04-08	1919-11-01
1920	1920-04-17	1920-10-27
1921	1921-03-14	1921-11-19
1923	1923-04-22	1923-10-16
1924	1924-04-09	1924-11-14
1927	1927-04-05	1927-10-24
1928	1928-05-04	1928-10-18
1929	1929-03-23	1929-10-07
1930	1930-04-11	1930-10-17
1931	1931-05-16	1931-11-26
1932	1932-04-23	1932-10-24
1933	1933-03-15	1933-10-01
1934	1934-04-02	1934-11-22
1935	1935-03-21	1935-10-23
1936	1936-04-15	1936-09-29
1937	1937-04-23	1937-10-30
1939	1939-03-28	1939-10-24
1940	1940-05-08	1940-10-28
1941	1941-04-14	1941-10-23
1942	1942-04-05	1942-09-21

Every Fixed Threshold

Fixed thresholds at Florence #1
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	40	156	1910	97
35 C (95 F): Days	40	73	1911	13
40 C (104 F): Days	7	4	1902	1
90 F (32.2 C): Days	40	127	1911	57
100 F (37.8 C): Days	33	18	1911	6
0 C (32 F): Ice days (max	19	8	1917	2
0 C (32 F): Frost days (min	40	70	1904	47
-10 C (14 F): Days with min	16	6	1917	4
20 C (68 F): Tropical nights (min	40	104	1921	90
25 C (77 F): Days with min	19	7	1896	1
10 mm (0.39 in): Days with 10 mm or more rain	33	49	1928	33
25 mm (0.98 in): Days with 25 mm or more rain	33	26	1928	8
50 mm (1.97 in): Days with 50 mm or more rain	31	9	1928	2
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1932	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1916	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1936	1

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 Florence #1 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 #1 Threshold Days by Year (USC00383109)

Key Facts for Florence #1 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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