Henderson 8 SSW Threshold Days by Year (USC00153762)

17 fixed thresholds counted per year at Henderson 8 SSW (USC00153762): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Henderson 8 SSW Thresholds

Henderson 8 SSW: days with 10 mm (0.39 in) or more of precipitation in 102 years, most in 1990 with 56.
Henderson 8 SSW: days with 25 mm (0.98 in) or more of precipitation in 102 years, most in 1979 with 23.
Henderson 8 SSW: days with a maximum temperature at or above 30 C (86 F) in 94 years, most in 1941 with 119.
Henderson 8 SSW: days with a maximum temperature at or above 90 F (32.2 C) in 94 years, most in 1954 with 85.
17 fixed thresholds have at least one qualifying day at Henderson 8 SSW.

Days at or above 30 C (86 F)

94 years with a qualifying day

Days per year at Henderson 8 SSW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 119 in 1941.

Days at or above 30 C (86 F) per year at Henderson 8 SSW
Year	Days	Decade average
1894	97	93.8
1895	87	93.8
1896	101	93.8
1897	87	93.8
1898	100	93.8
1899	91	93.8
1900	92	92.7
1901	87	92.7
1902	99	92.7
1932	92	92.6
1933	111	92.6
1934	106	92.6
1935	71	92.6
1937	101	92.6
1938	71	92.6
1939	96	92.6
1940	91	80.3
1941	119	80.3
1942	89	80.3
1943	87	80.3
1944	103	80.3
1945	54	80.3
1946	48	80.3
1947	59	80.3
1948	78	80.3
1949	75	80.3
1950	40	81.5
1951	79	81.5
1952	93	81.5
1953	108	81.5
1954	98	81.5
1955	94	81.5
1956	84	81.5
1957	71	81.5
1958	64	81.5
1959	84	81.5
1960	78	76.9
1961	71	76.9
1962	82	76.9
1963	95	76.9
1964	89	76.9
1965	75	76.9
1966	75	76.9
1967	45	76.9
1968	77	76.9
1969	82	76.9
1970	78	70.2
1971	65	70.2
1972	76	70.2
1973	79	70.2
1974	53	70.2
1975	72	70.2
1976	52	70.2
1977	88	70.2
1978	84	70.2
1979	55	70.2
1980	103	80.5
1981	64	80.5
1982	68	80.5
1983	98	80.5
1984	78	80.5
1985	69	80.5
1986	82	80.5
1987	99	80.5
1988	87	80.5
1989	57	80.5
1990	62	72.5
1991	91	72.5
1992	38	72.5
1993	70	72.5
1994	66	72.5
1995	78	72.5
1996	74	72.5
1997	65	72.5
1998	92	72.5
1999	89	72.5
2000	66	63.7
2001	70	63.7
2002	92	63.7
2003	52	63.7
2004	51	63.7
2009	51	63.7
2010	106	85.6
2012	93	85.6
2013	65	85.6
2014	67	85.6
2015	74	85.6
2016	92	85.6
2017	77	85.6
2018	104	85.6
2019	92	85.6
2020	55	66.7
2021	72	66.7
2022	73	66.7

For each year, a bar from the first to the last day at Henderson 8 SSW meeting 30 C (86 F).

First to last qualifying date each year at Henderson 8 SSW
Year	First date	Last date
1894	1894-04-17	1894-10-22
1895	1895-03-30	1895-09-25
1896	1896-04-11	1896-09-20
1897	1897-04-24	1897-10-16
1898	1898-05-01	1898-10-05
1899	1899-04-27	1899-10-14
1900	1900-05-07	1900-10-04
1901	1901-05-01	1901-09-24
1902	1902-04-21	1902-09-21
1932	1932-05-15	1932-09-18
1933	1933-05-20	1933-09-29
1934	1934-04-04	1934-10-24
1935	1935-04-26	1935-10-16
1937	1937-04-17	1937-10-06
1938	1938-06-04	1938-10-17
1939	1939-05-18	1939-10-23
1940	1940-04-01	1940-10-28
1941	1941-04-12	1941-10-22
1942	1942-04-29	1942-10-08
1943	1943-05-05	1943-09-04
1944	1944-05-12	1944-10-06
1945	1945-05-27	1945-09-28
1946	1946-06-08	1946-09-27
1947	1947-06-05	1947-10-22
1948	1948-04-24	1948-09-21
1949	1949-05-03	1949-10-09
1950	1950-05-23	1950-10-17
1951	1951-04-30	1951-10-05
1952	1952-05-02	1952-10-01
1953	1953-05-24	1953-10-22
1954	1954-05-31	1954-10-05
1955	1955-05-03	1955-09-29
1956	1956-05-12	1956-10-06
1957	1957-04-19	1957-09-21
1958	1958-05-15	1958-09-26
1959	1959-04-30	1959-10-05
1960	1960-04-23	1960-10-02
1961	1961-05-31	1961-10-12
1962	1962-05-08	1962-10-16
1963	1963-04-01	1963-10-27
1964	1964-05-17	1964-09-20
1965	1965-04-22	1965-09-21
1966	1966-05-08	1966-09-12
1967	1967-04-16	1967-10-04
1968	1968-05-01	1968-10-15
1969	1969-05-05	1969-10-04
1970	1970-04-30	1970-09-25
1971	1971-04-20	1971-10-03
1972	1972-05-21	1972-09-21
1973	1973-06-03	1973-10-03
1974	1974-05-18	1974-09-12
1975	1975-05-19	1975-10-13
1976	1976-04-20	1976-09-19
1977	1977-04-15	1977-10-01
1978	1978-05-24	1978-09-21
1979	1979-05-10	1979-09-12
1980	1980-04-22	1980-10-10
1981	1981-06-04	1981-10-05
1982	1982-05-12	1982-10-06
1983	1983-06-09	1983-10-04
1984	1984-05-25	1984-09-21
1985	1985-04-21	1985-09-22
1986	1986-04-25	1986-10-04
1987	1987-05-14	1987-09-28
1988	1988-04-05	1988-09-23
1989	1989-04-25	1989-10-13
1990	1990-06-07	1990-09-07
1991	1991-05-15	1991-09-16
1992	1992-05-16	1992-09-14
1993	1993-05-08	1993-09-14
1994	1994-05-23	1994-09-16
1995	1995-04-10	1995-09-14
1996	1996-05-09	1996-09-11
1997	1997-06-19	1997-10-12
1998	1998-05-13	1998-10-05
1999	1999-06-04	1999-09-29
2000	2000-05-11	2000-10-03
2001	2001-05-15	2001-09-23
2002	2002-05-31	2002-10-03
2003	2003-06-18	2003-09-01
2004	2004-05-20	2004-09-16
2009	2009-04-25	2009-09-22
2010	2010-04-15	2010-10-12
2012	2012-04-02	2012-09-14
2013	2013-04-11	2013-10-05
2014	2014-05-06	2014-10-03
2015	2015-05-06	2015-09-25
2016	2016-05-30	2016-10-20
2017	2017-04-15	2017-10-15
2018	2018-05-03	2018-10-10
2019	2019-05-01	2019-10-11
2020	2020-05-24	2020-09-11
2021	2021-05-21	2021-10-11
2022	2022-05-11	2022-09-25

Every Fixed Threshold

Fixed thresholds at Henderson 8 SSW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	94	119	1941	73
35 C (95 F): Days	81	41	1953	11
40 C (104 F): Days	9	9	2012	9
90 F (32.2 C): Days	94	85	1954	33
100 F (37.8 C): Days	33	15	2012	2
0 C (32 F): Ice days (max	94	39	1978	22
0 C (32 F): Frost days (min	94	114	1960	97
-10 C (14 F): Days with min	94	34	1977	4
-20 C (-4 F): Days with min	35	6	1940	2
20 C (68 F): Tropical nights (min	94	98	2018	61
25 C (77 F): Days with min	45	12	1896	4
10 mm (0.39 in): Days with 10 mm or more rain	102	56	1990	40
25 mm (0.98 in): Days with 25 mm or more rain	102	23	1979	15
50 mm (1.97 in): Days with 50 mm or more rain	93	8	2013	1
100 mm (3.94 in): Days with 100 mm or more rain	20	2	1932	2
10 cm (3.9 in): Days with 10 cm or more snowfall	38	3	1918	2
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1947	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Henderson 8 SSW 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).

Henderson 8 SSW Threshold Days by Year (USC00153762)

Key Facts for Henderson 8 SSW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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