Louisville 1 E Threshold Days by Year (USC00095314)

18 fixed thresholds counted per year at Louisville 1 E (USC00095314): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Louisville 1 E Thresholds

Louisville 1 E: nights with a minimum temperature at or above 20 C (68 F) in 106 years, most in 1906 with 117.
Louisville 1 E: days with a maximum temperature at or above 30 C (86 F) in 105 years, most in 2007 with 152.
Louisville 1 E: days with a maximum temperature at or above 90 F (32.2 C) in 105 years, most in 2011 with 122.
Louisville 1 E: nights with a minimum temperature at or below 0 C (32 F) in 105 years, most in 2010 with 73.
18 fixed thresholds have at least one qualifying day at Louisville 1 E.

Days at or above 30 C (86 F)

105 years with a qualifying day

Days per year at Louisville 1 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 152 in 2007.

Days at or above 30 C (86 F) per year at Louisville 1 E
Year	Days	Decade average
1893	134	118.8
1895	122	118.8
1897	93	118.8
1898	126	118.8
1901	92	105.6
1902	104	105.6
1903	98	105.6
1904	99	105.6
1905	132	105.6
1906	112	105.6
1907	89	105.6
1908	114	105.6
1909	110	105.6
1910	82	108
1911	131	108
1914	102	108
1915	121	108
1916	106	108
1918	106	108
1921	112	112
1930	122	129.4
1931	137	129.4
1932	106	129.4
1933	131	129.4
1934	138	129.4
1935	136	129.4
1936	140	129.4
1937	120	129.4
1938	129	129.4
1939	135	129.4
1942	137	123
1944	132	123
1945	136	123
1946	101	123
1947	111	123
1948	119	123
1949	125	123
1950	130	135.6
1951	134	135.6
1952	138	135.6
1953	138	135.6
1954	144	135.6
1955	136	135.6
1956	130	135.6
1957	124	135.6
1958	143	135.6
1959	139	135.6
1960	130	106.6
1961	117	106.6
1962	126	106.6
1963	105	106.6
1964	95	106.6
1965	129	106.6
1966	79	106.6
1967	91	106.6
1968	91	106.6
1969	103	106.6
1970	143	123
1971	139	123
1973	136	123
1974	133	123
1975	119	123
1976	101	123
1977	131	123
1978	132	123
1979	73	123
1980	132	122.6
1981	119	122.6
1982	118	122.6
1983	107	122.6
1985	122	122.6
1986	140	122.6
1987	120	122.6
1990	135	118
1991	112	118
1992	98	118
1993	129	118
1994	103	118
1995	119	118
1996	129	118
1997	112	118
1998	124	118
1999	119	118
2000	119	125.1
2001	129	125.1
2002	140	125.1
2003	97	125.1
2004	121	125.1
2005	120	125.1
2006	135	125.1
2007	152	125.1
2008	123	125.1
2009	115	125.1
2010	148	132.4
2011	145	132.4
2012	105	132.4
2016	137	132.4
2017	123	132.4
2018	128	132.4
2019	141	132.4
2020	105	101.6
2021	96	101.6
2022	109	101.6
2023	95	101.6
2026	103	101.6

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

First to last qualifying date each year at Louisville 1 E
Year	First date	Last date
1893	1893-04-06	1893-10-12
1895	1895-05-06	1895-09-30
1897	1897-03-22	1897-10-14
1898	1898-03-19	1898-10-13
1901	1901-05-01	1901-09-16
1902	1902-04-25	1902-09-30
1903	1903-05-20	1903-10-03
1904	1904-05-08	1904-10-12
1905	1905-04-28	1905-10-20
1906	1906-04-11	1906-11-21
1907	1907-03-14	1907-10-17
1908	1908-03-07	1908-10-19
1909	1909-03-09	1909-10-23
1910	1910-04-03	1910-10-05
1911	1911-04-07	1911-10-07
1914	1914-04-28	1914-09-20
1915	1915-04-20	1915-09-28
1916	1916-04-14	1916-09-28
1918	1918-05-07	1918-10-07
1921	1921-03-16	1921-09-29
1930	1930-04-12	1930-10-17
1931	1931-05-04	1931-12-01
1932	1932-04-06	1932-09-24
1933	1933-05-06	1933-10-02
1934	1934-04-03	1934-10-27
1935	1935-03-20	1935-10-30
1936	1936-03-31	1936-10-26
1937	1937-04-19	1937-10-07
1938	1938-03-30	1938-10-20
1939	1939-03-24	1939-10-26
1942	1942-04-05	1942-09-24
1944	1944-02-26	1944-10-26
1945	1945-03-04	1945-10-13
1946	1946-04-03	1946-09-26
1947	1947-03-24	1947-10-28
1948	1948-03-20	1948-09-28
1949	1949-03-24	1949-10-25
1950	1950-04-23	1950-11-01
1951	1951-04-26	1951-10-19
1952	1952-04-19	1952-10-06
1953	1953-03-31	1953-10-21
1954	1954-03-25	1954-10-13
1955	1955-03-12	1955-10-07
1956	1956-04-27	1956-10-02
1957	1957-04-03	1957-09-23
1958	1958-04-23	1958-11-17
1959	1959-04-06	1959-10-10
1960	1960-04-16	1960-10-13
1961	1961-03-05	1961-11-03
1962	1962-04-30	1962-10-11
1963	1963-03-18	1963-09-19
1964	1964-04-19	1964-10-03
1965	1965-02-11	1965-09-24
1966	1966-04-01	1966-10-05
1967	1967-04-03	1967-10-07
1968	1968-04-19	1968-10-10
1969	1969-05-05	1969-10-14
1970	1970-04-19	1970-10-15
1971	1971-04-12	1971-10-16
1973	1973-03-14	1973-11-04
1974	1974-03-08	1974-11-03
1975	1975-04-26	1975-10-15
1976	1976-04-12	1976-09-26
1977	1977-04-03	1977-10-01
1978	1978-04-05	1978-10-12
1979	1979-05-12	1979-10-02
1980	1980-04-22	1980-10-11
1981	1981-04-12	1981-09-30
1982	1982-03-20	1982-10-06
1983	1983-05-13	1983-10-05
1985	1985-03-14	1985-10-21
1986	1986-04-01	1986-11-08
1987	1987-04-21	1987-11-05
1990	1990-04-17	1990-10-09
1991	1991-04-17	1991-10-19
1992	1992-04-15	1992-09-23
1993	1993-04-12	1993-10-21
1994	1994-03-27	1994-10-02
1995	1995-03-23	1995-10-06
1996	1996-04-14	1996-10-29
1997	1997-03-03	1997-10-14
1998	1998-05-14	1998-11-01
1999	1999-04-03	1999-10-04
2000	2000-04-21	2000-10-06
2001	2001-04-09	2001-10-25
2002	2002-03-18	2002-10-13
2003	2003-05-03	2003-11-06
2004	2004-03-29	2004-10-04
2005	2005-05-09	2005-10-22
2006	2006-03-13	2006-10-20
2007	2007-03-25	2007-11-15
2008	2008-04-12	2008-10-17
2009	2009-03-12	2009-10-10
2010	2010-04-02	2010-10-28
2011	2011-03-20	2011-10-18
2012	2012-03-16	2012-10-07
2016	2016-03-16	2016-10-31
2017	2017-03-22	2017-10-16
2018	2018-05-05	2018-10-17
2019	2019-04-30	2019-10-14
2020	2020-03-20	2020-10-14
2021	2021-05-05	2021-10-04
2022	2022-05-02	2022-10-08
2023	2023-03-08	2023-09-26
2026	2026-04-25	2026-10-14

Every Fixed Threshold

Fixed thresholds at Louisville 1 E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	105	152	2007	103
35 C (95 F): Days	103	85	2011	37
40 C (104 F): Days	21	14	1952	1
90 F (32.2 C): Days	105	122	2011	73
100 F (37.8 C): Days	70	40	1954	1
110 F (43.3 C): Days	1	2	1952	2
0 C (32 F): Ice days (max	16	4	1982	1
0 C (32 F): Frost days (min	105	73	2010	40
-10 C (14 F): Days with min	38	7	1895	2
20 C (68 F): Tropical nights (min	106	117	1906	97
25 C (77 F): Days with min	36	6	1986	1
10 mm (0.39 in): Days with 10 mm or more rain	103	60	1994	21
25 mm (0.98 in): Days with 25 mm or more rain	103	22	1959	8
50 mm (1.97 in): Days with 50 mm or more rain	97	8	1970	4
100 mm (3.94 in): Days with 100 mm or more rain	20	1	1898	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1990	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1973	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1973	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 Louisville 1 E 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).

Louisville 1 E Threshold Days by Year (USC00095314)

Key Facts for Louisville 1 E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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