Henderson 2 NNW Threshold Days by Year (USC00313969)

18 fixed thresholds counted per year at Henderson 2 NNW (USC00313969): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Henderson 2 NNW Thresholds

Henderson 2 NNW: days with 10 mm (0.39 in) or more of precipitation in 122 years, most in 2018 with 57.
Henderson 2 NNW: days with 25 mm (0.98 in) or more of precipitation in 122 years, most in 1907 with 21.
Henderson 2 NNW: days with a maximum temperature at or above 30 C (86 F) in 117 years, most in 1954 with 124.
Henderson 2 NNW: days with a maximum temperature at or above 90 F (32.2 C) in 117 years, most in 1925 with 88.
18 fixed thresholds have at least one qualifying day at Henderson 2 NNW.

Days at or above 30 C (86 F)

117 years with a qualifying day

Days per year at Henderson 2 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 124 in 1954.

Days at or above 30 C (86 F) per year at Henderson 2 NNW
Year	Days	Decade average
1894	80	83.3
1895	87	83.3
1896	95	83.3
1897	88	83.3
1898	74	83.3
1899	76	83.3
1900	90	55.6
1901	62	55.6
1902	71	55.6
1903	60	55.6
1904	43	55.6
1905	49	55.6
1906	49	55.6
1907	51	55.6
1908	45	55.6
1909	36	55.6
1910	52	71.2
1911	79	71.2
1912	70	71.2
1913	72	71.2
1914	71	71.2
1915	72	71.2
1916	77	71.2
1917	66	71.2
1918	69	71.2
1919	84	71.2
1920	83	95.9
1921	109	95.9
1922	102	95.9
1925	119	95.9
1926	108	95.9
1927	78	95.9
1929	72	95.9
1930	106	97.1
1931	104	97.1
1932	95	97.1
1933	107	97.1
1934	93	97.1
1936	95	97.1
1937	86	97.1
1938	79	97.1
1939	109	97.1
1940	89	94.5
1941	121	94.5
1942	100	94.5
1943	108	94.5
1944	103	94.5
1945	99	94.5
1946	71	94.5
1947	86	94.5
1948	87	94.5
1949	81	94.5
1950	80	95.1
1951	87	95.1
1952	98	95.1
1953	113	95.1
1954	124	95.1
1955	86	95.1
1956	88	95.1
1957	98	95.1
1958	83	95.1
1959	94	95.1
1960	85	80.3
1961	79	80.3
1962	78	80.3
1963	83	80.3
1964	79	80.3
1965	86	80.3
1966	72	80.3
1970	86	68.8
1971	64	68.8
1972	59	68.8
1973	73	68.8
1974	55	68.8
1975	60	68.8
1976	68	68.8
1977	88	68.8
1978	80	68.8
1979	55	68.8
1980	106	85.7
1981	79	85.7
1982	80	85.7
1983	91	85.7
1984	85	85.7
1985	76	85.7
1986	98	85.7
1987	80	85.7
1988	76	85.7
1993	87	76.2
1994	63	76.2
1995	64	76.2
1997	61	76.2
1998	99	76.2
1999	83	76.2
2000	67	80
2001	74	80
2002	99	80
2003	67	80
2004	73	80
2005	83	80
2006	80	80
2007	110	80
2008	77	80
2009	70	80
2010	105	85.3
2011	90	85.3
2012	65	85.3
2013	68	85.3
2014	63	85.3
2017	85	85.3
2018	97	85.3
2019	109	85.3
2021	95	86.6
2022	89	86.6
2023	76	86.6
2024	72	86.6
2026	101	86.6

For each year, a bar from the first to the last day at Henderson 2 NNW meeting 30 C (86 F).

First to last qualifying date each year at Henderson 2 NNW
Year	First date	Last date
1894	1894-03-22	1894-09-23
1895	1895-03-30	1895-09-27
1896	1896-04-12	1896-09-19
1897	1897-04-24	1897-10-16
1898	1898-03-23	1898-10-02
1899	1899-04-14	1899-09-13
1900	1900-05-08	1900-10-07
1901	1901-05-01	1901-09-16
1902	1902-05-01	1902-09-27
1903	1903-05-19	1903-09-12
1904	1904-05-09	1904-09-28
1905	1905-04-29	1905-10-03
1906	1906-04-28	1906-09-22
1907	1907-03-22	1907-09-22
1908	1908-05-23	1908-08-18
1909	1909-04-05	1909-09-01
1910	1910-03-29	1910-09-09
1911	1911-05-08	1911-10-07
1912	1912-05-24	1912-10-11
1913	1913-04-25	1913-09-08
1914	1914-04-27	1914-09-23
1915	1915-04-20	1915-09-20
1916	1916-04-13	1916-10-09
1917	1917-04-19	1917-09-03
1918	1918-05-04	1918-09-17
1919	1919-05-04	1919-10-28
1920	1920-04-22	1920-10-22
1921	1921-03-21	1921-10-25
1922	1922-04-10	1922-10-06
1925	1925-03-11	1925-10-17
1926	1926-04-22	1926-10-12
1927	1927-04-20	1927-10-23
1929	1929-03-25	1929-09-30
1930	1930-04-11	1930-09-30
1931	1931-05-09	1931-10-07
1932	1932-05-05	1932-09-19
1933	1933-05-01	1933-10-01
1934	1934-04-04	1934-09-27
1936	1936-04-15	1936-09-23
1937	1937-04-18	1937-10-07
1938	1938-03-30	1938-10-19
1939	1939-04-26	1939-10-25
1940	1940-05-06	1940-10-14
1941	1941-04-14	1941-10-23
1942	1942-04-06	1942-09-19
1943	1943-04-25	1943-09-23
1944	1944-04-10	1944-10-07
1945	1945-03-16	1945-09-29
1946	1946-04-03	1946-09-23
1947	1947-05-14	1947-10-23
1948	1948-03-21	1948-09-21
1949	1949-03-27	1949-10-12
1950	1950-03-27	1950-11-01
1951	1951-04-26	1951-10-07
1952	1952-04-20	1952-10-02
1953	1953-04-10	1953-10-20
1954	1954-04-07	1954-10-14
1955	1955-04-19	1955-09-20
1956	1956-04-30	1956-09-23
1957	1957-04-20	1957-09-22
1958	1958-04-19	1958-10-10
1959	1959-04-08	1959-10-08
1960	1960-04-14	1960-09-20
1961	1961-04-24	1961-09-26
1962	1962-04-22	1962-10-12
1963	1963-04-02	1963-09-21
1964	1964-04-18	1964-09-23
1965	1965-04-12	1965-09-23
1966	1966-05-19	1966-09-12
1970	1970-04-22	1970-09-28
1971	1971-05-19	1971-09-18
1972	1972-04-16	1972-09-27
1973	1973-05-12	1973-10-14
1974	1974-03-09	1974-09-14
1975	1975-05-21	1975-10-17
1976	1976-03-05	1976-09-10
1977	1977-04-12	1977-10-03
1978	1978-04-02	1978-09-23
1979	1979-06-02	1979-09-23
1980	1980-04-24	1980-09-24
1981	1981-04-28	1981-10-07
1982	1982-05-07	1982-10-07
1983	1983-04-28	1983-10-06
1984	1984-04-27	1984-09-27
1985	1985-03-30	1985-10-17
1986	1986-04-01	1986-10-06
1987	1987-05-03	1987-09-10
1988	1988-05-17	1988-09-24
1993	1993-05-12	1993-09-27
1994	1994-05-24	1994-09-17
1995	1995-04-20	1995-09-15
1997	1997-05-19	1997-10-15
1998	1998-03-30	1998-10-02
1999	1999-04-05	1999-09-10
2000	2000-05-07	2000-09-25
2001	2001-04-08	2001-09-24
2002	2002-04-16	2002-10-06
2003	2003-04-04	2003-09-21
2004	2004-04-19	2004-09-13
2005	2005-04-22	2005-09-24
2006	2006-04-16	2006-09-25
2007	2007-04-04	2007-10-10
2008	2008-04-19	2008-09-15
2009	2009-04-25	2009-09-29
2010	2010-04-03	2010-10-12
2011	2011-04-05	2011-09-28
2012	2012-04-05	2012-10-03
2013	2013-04-11	2013-10-07
2014	2014-04-03	2014-09-12
2017	2017-04-22	2017-10-13
2018	2018-05-11	2018-10-11
2019	2019-05-02	2019-10-05
2021	2021-04-08	2021-10-03
2022	2022-05-02	2022-11-08
2023	2023-03-25	2023-09-14
2024	2024-04-03	2024-09-30
2026	2026-03-12	2026-10-15

Every Fixed Threshold

Fixed thresholds at Henderson 2 NNW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	117	124	1954	101
35 C (95 F): Days	107	48	1925	22
40 C (104 F): Days	8	2	1926	2
90 F (32.2 C): Days	117	88	1925	61
100 F (37.8 C): Days	46	11	1926	2
0 C (32 F): Ice days (max	95	16	1899	7
0 C (32 F): Frost days (min	108	129	1988	70
-10 C (14 F): Days with min	98	37	1977	8
-20 C (-4 F): Days with min	5	3	2000	3
20 C (68 F): Tropical nights (min	108	90	1905	34
25 C (77 F): Days with min	21	3	1902	1
10 mm (0.39 in): Days with 10 mm or more rain	122	57	2018	23
25 mm (0.98 in): Days with 25 mm or more rain	122	21	1907	12
50 mm (1.97 in): Days with 50 mm or more rain	109	7	2024	3
100 mm (3.94 in): Days with 100 mm or more rain	23	2	1895	1
10 cm (3.9 in): Days with 10 cm or more snowfall	31	3	1927	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1917	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1922	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 2 NNW 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).

Henderson 2 NNW Threshold Days by Year (USC00313969)

Key Facts for Henderson 2 NNW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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