Hennessey 4 ESE Threshold Days by Year (USC00344055)

20 fixed thresholds counted per year at Hennessey 4 ESE (USC00344055): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hennessey 4 ESE Thresholds

Hennessey 4 ESE: days with 10 mm (0.39 in) or more of precipitation in 91 years, most in 2007 with 37.
Hennessey 4 ESE: days with 25 mm (0.98 in) or more of precipitation in 91 years, most in 2007 with 16.
Hennessey 4 ESE: days with a maximum temperature at or above 30 C (86 F) in 87 years, most in 1956 with 148.
Hennessey 4 ESE: days with a maximum temperature at or above 35 C (95 F) in 87 years, most in 1956 with 98.
20 fixed thresholds have at least one qualifying day at Hennessey 4 ESE.

Days at or above 30 C (86 F)

87 years with a qualifying day

Days per year at Hennessey 4 ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 148 in 1956.

Days at or above 30 C (86 F) per year at Hennessey 4 ESE
Year	Days	Decade average
1920	89	107.6
1921	115	107.6
1922	121	107.6
1923	96	107.6
1924	104	107.6
1925	110	107.6
1926	121	107.6
1927	103	107.6
1928	114	107.6
1929	103	107.6
1930	116	121.7
1931	133	121.7
1932	108	121.7
1933	124	121.7
1934	117	121.7
1935	103	121.7
1936	126	121.7
1937	124	121.7
1938	123	121.7
1939	143	121.7
1940	111	121.9
1941	98	121.9
1942	105	121.9
1943	135	121.9
1944	122	121.9
1945	111	121.9
1946	117	121.9
1947	144	121.9
1948	141	121.9
1949	135	121.9
1950	139	124.4
1951	110	124.4
1952	134	124.4
1953	130	124.4
1954	138	124.4
1955	121	124.4
1956	148	124.4
1957	94	124.4
1958	109	124.4
1959	121	124.4
1960	105	111.1
1961	98	111.1
1962	129	111.1
1963	146	111.1
1964	110	111.1
1965	112	111.1
1966	108	111.1
1967	98	111.1
1969	94	111.1
1970	114	103.8
1972	128	103.8
1973	100	103.8
1974	94	103.8
1975	101	103.8
1976	89	103.8
1978	102	103.8
1979	102	103.8
1982	107	104
1983	98	104
1984	120	104
1985	97	104
1986	100	104
1987	109	104
1988	109	104
1989	92	104
1990	104	96.4
1991	112	96.4
1992	72	96.4
1993	88	96.4
1994	102	96.4
1995	89	96.4
1996	92	96.4
1997	98	96.4
1998	125	96.4
1999	82	96.4
2000	110	99.7
2001	103	99.7
2002	98	99.7
2003	97	99.7
2004	88	99.7
2005	110	99.7
2006	118	99.7
2007	89	99.7
2008	97	99.7
2009	87	99.7
2010	103	116
2011	129	116

For each year, a bar from the first to the last day at Hennessey 4 ESE meeting 30 C (86 F).

First to last qualifying date each year at Hennessey 4 ESE
Year	First date	Last date
1920	1920-05-12	1920-10-10
1921	1921-04-23	1921-10-25
1922	1922-05-26	1922-10-28
1923	1923-05-11	1923-09-29
1924	1924-04-08	1924-09-26
1925	1925-03-07	1925-09-21
1926	1926-05-01	1926-10-27
1927	1927-04-10	1927-10-28
1928	1928-04-01	1928-10-14
1929	1929-03-24	1929-10-06
1930	1930-04-06	1930-10-09
1931	1931-05-15	1931-11-03
1932	1932-04-02	1932-10-18
1933	1933-04-18	1933-10-10
1934	1934-03-20	1934-10-26
1935	1935-04-14	1935-10-16
1936	1936-04-12	1936-10-19
1937	1937-04-16	1937-10-30
1938	1938-04-30	1938-10-28
1939	1939-04-23	1939-10-26
1940	1940-03-31	1940-10-23
1941	1941-05-14	1941-10-13
1942	1942-04-04	1942-10-12
1943	1943-04-04	1943-10-18
1944	1944-05-14	1944-10-30
1945	1945-04-20	1945-11-06
1946	1946-03-29	1946-10-29
1947	1947-04-30	1947-10-23
1948	1948-04-06	1948-10-31
1949	1949-04-07	1949-10-10
1950	1950-04-02	1950-11-01
1951	1951-04-18	1951-10-04
1952	1952-04-07	1952-11-16
1953	1953-04-21	1953-10-13
1954	1954-04-06	1954-10-18
1955	1955-03-03	1955-10-22
1956	1956-03-05	1956-10-12
1957	1957-05-29	1957-10-05
1958	1958-04-23	1958-10-20
1959	1959-04-02	1959-09-27
1960	1960-04-06	1960-10-11
1961	1961-04-19	1961-10-08
1962	1962-02-12	1962-10-15
1963	1963-03-27	1963-10-24
1964	1964-04-12	1964-10-21
1965	1965-04-20	1965-10-10
1966	1966-03-31	1966-10-28
1967	1967-03-10	1967-10-06
1969	1969-05-21	1969-10-03
1970	1970-04-22	1970-10-22
1972	1972-04-06	1972-10-11
1973	1973-05-10	1973-10-23
1974	1974-03-31	1974-09-12
1975	1975-04-25	1975-10-20
1976	1976-03-25	1976-10-02
1978	1978-05-14	1978-10-21
1979	1979-05-15	1979-10-21
1982	1982-04-12	1982-10-18
1983	1983-05-06	1983-10-02
1984	1984-05-11	1984-10-13
1985	1985-05-24	1985-09-20
1986	1986-04-24	1986-09-28
1987	1987-04-17	1987-09-25
1988	1988-05-13	1988-10-17
1989	1989-03-11	1989-10-15
1990	1990-05-14	1990-10-06
1991	1991-03-05	1991-10-23
1992	1992-05-01	1992-10-13
1993	1993-05-30	1993-10-06
1994	1994-05-22	1994-10-03
1995	1995-05-13	1995-10-16
1996	1996-02-22	1996-09-23
1997	1997-03-21	1997-10-06
1998	1998-04-25	1998-09-30
1999	1999-05-22	1999-10-15
2000	2000-05-07	2000-10-05
2001	2001-05-14	2001-10-04
2002	2002-05-31	2002-10-03
2003	2003-05-05	2003-10-25
2004	2004-05-05	2004-09-23
2005	2005-05-11	2005-10-19
2006	2006-03-02	2006-10-04
2007	2007-06-04	2007-10-14
2008	2008-05-02	2008-10-02
2009	2009-04-23	2009-09-28
2010	2010-05-07	2010-10-09
2011	2011-04-04	2011-10-07

Every Fixed Threshold

Fixed thresholds at Hennessey 4 ESE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	87	148	1956	129
35 C (95 F): Days	87	98	1956	91
40 C (104 F): Days	73	49	2011	49
45 C (113 F): Days	6	4	1936	3
90 F (32.2 C): Days	87	134	1956	112
100 F (37.8 C): Days	87	69	2011	69
110 F (43.3 C): Days	25	11	1936	9
0 C (32 F): Ice days (max	87	29	1978	15
0 C (32 F): Frost days (min	87	110	2008	102
-10 C (14 F): Days with min	86	26	1989	16
-20 C (-4 F): Days with min	21	5	1930	4
20 C (68 F): Tropical nights (min	87	95	1954	83
25 C (77 F): Days with min	70	30	1934	21
10 mm (0.39 in): Days with 10 mm or more rain	91	37	2007	23
25 mm (0.98 in): Days with 25 mm or more rain	91	16	2007	13
50 mm (1.97 in): Days with 50 mm or more rain	75	7	1986	3
100 mm (3.94 in): Days with 100 mm or more rain	14	3	1986	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1957	1
10 cm (3.9 in): Days with 10 cm or more snowfall	28	2	1926	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1988	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

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Data for Hennessey 4 ESE 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).

Hennessey 4 ESE Threshold Days by Year (USC00344055)

Key Facts for Hennessey 4 ESE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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