Jeffersonville Threshold Days by Year (USC00304234)

13 fixed thresholds counted per year at Jeffersonville (USC00304234): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jeffersonville Thresholds

Jeffersonville: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1911 with 34.
Jeffersonville: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1904 with 79.
Jeffersonville: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1943 with 191.
Jeffersonville: nights with a minimum temperature at or below -10 C (14 F) in 43 years, most in 1904 with 73.
13 fixed thresholds have at least one qualifying day at Jeffersonville.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Jeffersonville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1911.

Days at or above 30 C (86 F) per year at Jeffersonville
Year	Days	Decade average
1904	8	18.8
1905	15	18.8
1906	19	18.8
1907	17	18.8
1908	32	18.8
1909	22	18.8
1910	18	21
1911	34	21
1912	18	21
1913	29	21
1914	21	21
1915	8	21
1916	18	21
1917	12	21
1918	26	21
1919	26	21
1920	6	13.2
1921	26	13.2
1922	13	13.2
1923	21	13.2
1924	8	13.2
1925	13	13.2
1926	8	13.2
1927	7	13.2
1928	10	13.2
1929	20	13.2
1930	21	17.1
1931	18	17.1
1932	9	17.1
1933	20	17.1
1934	19	17.1
1935	8	17.1
1936	23	17.1
1937	19	17.1
1938	14	17.1
1939	20	17.1
1940	8	12.6
1941	18	12.6
1942	4	12.6
1943	16	12.6
1944	23	12.6
1945	13	12.6
1946	6	12.6

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

First to last qualifying date each year at Jeffersonville
Year	First date	Last date
1904	1904-06-05	1904-08-01
1905	1905-06-15	1905-10-01
1906	1906-05-18	1906-09-19
1907	1907-06-18	1907-08-20
1908	1908-05-26	1908-10-17
1909	1909-06-21	1909-09-14
1910	1910-06-15	1910-09-06
1911	1911-05-11	1911-08-28
1912	1912-06-02	1912-09-10
1913	1913-04-25	1913-09-04
1914	1914-05-20	1914-09-23
1915	1915-04-25	1915-09-16
1916	1916-07-12	1916-08-23
1917	1917-07-22	1917-08-21
1918	1918-05-06	1918-08-27
1919	1919-05-04	1919-10-03
1920	1920-06-01	1920-08-16
1921	1921-05-21	1921-09-10
1922	1922-06-08	1922-10-06
1923	1923-06-04	1923-08-10
1924	1924-07-24	1924-08-31
1925	1925-06-01	1925-09-12
1926	1926-07-09	1926-08-29
1927	1927-06-10	1927-10-02
1928	1928-05-04	1928-10-12
1929	1929-04-07	1929-09-07
1930	1930-05-06	1930-08-09
1931	1931-05-29	1931-09-22
1932	1932-05-16	1932-09-20
1933	1933-06-03	1933-08-13
1934	1934-05-10	1934-07-26
1935	1935-06-27	1935-08-13
1936	1936-05-08	1936-08-23
1937	1937-05-31	1937-09-04
1938	1938-04-28	1938-08-17
1939	1939-05-06	1939-09-16
1940	1940-06-04	1940-07-30
1941	1941-04-20	1941-10-05
1942	1942-07-13	1942-09-15
1943	1943-06-03	1943-09-01
1944	1944-05-04	1944-09-02
1945	1945-05-22	1945-09-08
1946	1946-06-25	1946-09-19

Every Fixed Threshold

Fixed thresholds at Jeffersonville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	34	1911	6
35 C (95 F): Days	11	7	1911	4
90 F (32.2 C): Days	40	18	1911	1
0 C (32 F): Ice days (max	43	79	1904	28
0 C (32 F): Frost days (min	43	191	1943	166
-10 C (14 F): Days with min	43	73	1904	50
-20 C (-4 F): Days with min	43	25	1945	3
-30 C (-22 F): Days with min	17	5	1904	1
20 C (68 F): Tropical nights (min	21	4	1916	1
10 mm (0.39 in): Days with 10 mm or more rain	43	51	1927	29
25 mm (0.98 in): Days with 25 mm or more rain	43	17	1942	8
50 mm (1.97 in): Days with 50 mm or more rain	29	4	1920	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	3	1925	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Jeffersonville 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).

Jeffersonville Threshold Days by Year (USC00304234)

Key Facts for Jeffersonville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related