Henrietta Threshold Days by Year (USC00414093)

18 fixed thresholds counted per year at Henrietta (USC00414093): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Henrietta Thresholds

Henrietta: days with 10 mm (0.39 in) or more of precipitation in 97 years, most in 1926 with 37.
Henrietta: days with 25 mm (0.98 in) or more of precipitation in 97 years, most in 1950 with 18.
Henrietta: days with a maximum temperature at or above 30 C (86 F) in 95 years, most in 1948 with 175.
Henrietta: days with a maximum temperature at or above 35 C (95 F) in 95 years, most in 1937 with 117.
18 fixed thresholds have at least one qualifying day at Henrietta.

Days at or above 30 C (86 F)

95 years with a qualifying day

Days per year at Henrietta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 175 in 1948.

Days at or above 30 C (86 F) per year at Henrietta
Year	Days	Decade average
1902	137	125.5
1903	126	125.5
1905	130	125.5
1906	109	125.5
1910	158	136.4
1911	152	136.4
1912	131	136.4
1913	130	136.4
1914	123	136.4
1915	104	136.4
1916	152	136.4
1917	146	136.4
1918	132	136.4
1920	108	133.1
1921	140	133.1
1922	130	133.1
1923	128	133.1
1924	137	133.1
1925	148	133.1
1926	129	133.1
1927	133	133.1
1928	138	133.1
1929	140	133.1
1930	128	142
1931	139	142
1932	136	142
1933	146	142
1934	154	142
1935	107	142
1936	141	142
1937	162	142
1938	157	142
1939	150	142
1940	140	144.9
1941	136	144.9
1942	132	144.9
1943	159	144.9
1944	134	144.9
1945	128	144.9
1946	141	144.9
1947	146	144.9
1948	175	144.9
1949	158	144.9
1950	144	149.9
1951	152	149.9
1952	145	149.9
1953	145	149.9
1954	154	149.9
1955	157	149.9
1956	163	149.9
1958	137	149.9
1959	152	149.9
1960	152	127
1961	146	127
1962	141	127
1964	124	127
1965	122	127
1966	111	127
1967	123	127
1968	109	127
1969	115	127
1970	106	119.7
1971	118	119.7
1972	139	119.7
1973	102	119.7
1974	111	119.7
1975	115	119.7
1976	121	119.7
1977	111	119.7
1978	141	119.7
1979	133	119.7
1980	135	131.1
1981	131	131.1
1982	129	131.1
1983	129	131.1
1984	141	131.1
1985	117	131.1
1986	131	131.1
1987	132	131.1
1988	137	131.1
1989	129	131.1
1990	123	116.3
1991	125	116.3
1992	107	116.3
1993	123	116.3
1994	129	116.3
1995	85	116.3
1996	136	116.3
1997	119	116.3
1998	124	116.3
1999	92	116.3
2000	122	124
2001	127	124
2002	125	124
2003	122	124

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

First to last qualifying date each year at Henrietta
Year	First date	Last date
1902	1902-04-06	1902-10-26
1903	1903-04-02	1903-11-15
1905	1905-03-27	1905-11-27
1906	1906-04-23	1906-10-08
1910	1910-03-16	1910-11-06
1911	1911-01-31	1911-11-11
1912	1912-03-18	1912-10-10
1913	1913-03-31	1913-11-18
1914	1914-04-06	1914-10-18
1915	1915-05-13	1915-10-29
1916	1916-03-05	1916-11-03
1917	1917-02-26	1917-10-28
1918	1918-02-23	1918-10-19
1920	1920-03-27	1920-10-12
1921	1921-05-12	1921-11-05
1922	1922-04-07	1922-10-28
1923	1923-04-07	1923-10-02
1924	1924-04-08	1924-11-06
1925	1925-02-05	1925-10-23
1926	1926-04-05	1926-10-18
1927	1927-04-03	1927-10-27
1928	1928-03-22	1928-10-25
1929	1929-03-06	1929-10-12
1930	1930-04-04	1930-10-09
1931	1931-04-17	1931-10-25
1932	1932-02-07	1932-10-23
1933	1933-02-23	1933-10-24
1934	1934-03-19	1934-11-09
1935	1935-03-26	1935-10-16
1936	1936-03-14	1936-10-19
1937	1937-02-07	1937-11-01
1938	1938-03-04	1938-10-31
1939	1939-03-14	1939-10-25
1940	1940-02-29	1940-10-27
1941	1941-04-17	1941-10-23
1942	1942-04-02	1942-11-18
1943	1943-01-22	1943-11-05
1944	1944-04-08	1944-10-31
1945	1945-03-26	1945-11-06
1946	1946-03-25	1946-10-31
1947	1947-04-04	1947-10-31
1948	1948-03-25	1948-12-14
1949	1949-04-07	1949-11-20
1950	1950-01-25	1950-11-20
1951	1951-02-13	1951-12-31
1952	1952-01-01	1952-10-28
1953	1953-04-08	1953-10-19
1954	1954-02-27	1954-12-05
1955	1955-03-05	1955-12-25
1956	1956-02-25	1956-10-13
1958	1958-04-24	1958-10-25
1959	1959-03-15	1959-10-26
1960	1960-04-01	1960-10-23
1961	1961-03-04	1961-10-25
1962	1962-02-12	1962-10-28
1964	1964-03-14	1964-11-03
1965	1965-04-04	1965-11-26
1966	1966-03-21	1966-10-14
1967	1967-03-04	1967-10-09
1968	1968-05-03	1968-10-31
1969	1969-04-02	1969-10-11
1970	1970-05-10	1970-10-07
1971	1971-03-14	1971-10-17
1972	1972-03-27	1972-10-18
1973	1973-04-30	1973-10-11
1974	1974-03-02	1974-09-28
1975	1975-03-21	1975-11-09
1976	1976-02-10	1976-10-12
1977	1977-05-02	1977-11-01
1978	1978-03-21	1978-10-22
1979	1979-02-15	1979-10-22
1980	1980-05-06	1980-11-09
1981	1981-04-02	1981-11-19
1982	1982-02-23	1982-11-01
1983	1983-03-03	1983-10-19
1984	1984-04-16	1984-10-19
1985	1985-03-29	1985-10-14
1986	1986-02-20	1986-10-04
1987	1987-04-12	1987-11-05
1988	1988-03-22	1988-11-10
1989	1989-03-12	1989-11-15
1990	1990-04-16	1990-10-07
1991	1991-03-06	1991-10-25
1992	1992-04-12	1992-10-26
1993	1993-03-10	1993-10-17
1994	1994-03-18	1994-10-07
1995	1995-03-20	1995-10-28
1996	1996-02-22	1996-10-22
1997	1997-03-22	1997-10-11
1998	1998-05-07	1998-10-05
1999	1999-04-23	1999-10-17
2000	2000-04-06	2000-10-06
2001	2001-05-03	2001-10-24
2002	2002-03-14	2002-10-07
2003	2003-03-28	2003-11-05

Every Fixed Threshold

Fixed thresholds at Henrietta
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	95	175	1948	122
35 C (95 F): Days	95	117	1937	56
40 C (104 F): Days	83	54	1980	9
45 C (113 F): Days	17	6	1946	1
90 F (32.2 C): Days	95	147	1937	86
100 F (37.8 C): Days	94	81	1937	33
110 F (43.3 C): Days	34	17	1937	1
0 C (32 F): Ice days (max	85	16	1978	2
0 C (32 F): Frost days (min	93	94	1979	57
-10 C (14 F): Days with min	80	17	1979	2
-20 C (-4 F): Days with min	5	2	1947	2
20 C (68 F): Tropical nights (min	93	114	1956	67
25 C (77 F): Days with min	80	46	1934	4
10 mm (0.39 in): Days with 10 mm or more rain	97	37	1926	17
25 mm (0.98 in): Days with 25 mm or more rain	97	18	1950	6
50 mm (1.97 in): Days with 50 mm or more rain	85	8	1985	2
100 mm (3.94 in): Days with 100 mm or more rain	14	2	1981	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	2	1936	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Henrietta 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).

Henrietta Threshold Days by Year (USC00414093)

Key Facts for Henrietta Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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