Healy Threshold Days by Year (USC00143554)

20 fixed thresholds counted per year at Healy (USC00143554): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Healy Thresholds

Healy: nights with a minimum temperature at or below 0 C (32 F) in 125 years, most in 2013 with 171.
Healy: nights with a minimum temperature at or below -10 C (14 F) in 125 years, most in 1929 with 61.
Healy: nights with a minimum temperature at or above 20 C (68 F) in 125 years, most in 1934 with 42.
Healy: days with 10 mm (0.39 in) or more of precipitation in 125 years, most in 1915 with 28.
20 fixed thresholds have at least one qualifying day at Healy.

Days at or above 30 C (86 F)

123 years with a qualifying day

Days per year at Healy with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 130 in 1956.

Days at or above 30 C (86 F) per year at Healy
Year	Days	Decade average
1902	89	92.5
1903	76	92.5
1904	87	92.5
1905	96	92.5
1906	90	92.5
1907	104	92.5
1908	98	92.5
1909	100	92.5
1910	105	93.1
1911	118	93.1
1912	85	93.1
1913	104	93.1
1914	110	93.1
1915	40	93.1
1916	101	93.1
1917	90	93.1
1918	99	93.1
1919	79	93.1
1920	79	88.8
1921	108	88.8
1922	102	88.8
1923	67	88.8
1924	81	88.8
1925	104	88.8
1926	98	88.8
1927	91	88.8
1928	72	88.8
1929	86	88.8
1930	99	102.3
1931	103	102.3
1932	87	102.3
1933	107	102.3
1934	117	102.3
1935	91	102.3
1936	99	102.3
1938	106	102.3
1939	112	102.3
1940	90	88.1
1941	83	88.1
1942	90	88.1
1943	99	88.1
1944	75	88.1
1945	87	88.1
1946	90	88.1
1947	92	88.1
1948	99	88.1
1949	76	88.1
1950	70	96.2
1951	59	96.2
1952	106	96.2
1953	113	96.2
1954	110	96.2
1955	102	96.2
1956	130	96.2
1957	77	96.2
1958	91	96.2
1959	104	96.2
1960	95	96.5
1961	79	96.5
1962	96	96.5
1963	125	96.5
1964	110	96.5
1965	89	96.5
1966	110	96.5
1967	81	96.5
1968	100	96.5
1969	80	96.5
1970	108	98.1
1971	99	98.1
1972	100	98.1
1973	88	98.1
1974	99	98.1
1975	100	98.1
1976	91	98.1
1977	98	98.1
1978	99	98.1
1979	99	98.1
1980	99	90
1981	95	90
1982	73	90
1983	96	90
1984	90	90
1985	83	90
1986	94	90
1987	88	90
1988	103	90
1989	79	90
1990	91	82.8
1991	97	82.8
1992	58	82.8
1993	64	82.8
1994	94	82.8
1995	81	82.8
1996	74	82.8
1997	87	82.8
1998	103	82.8
1999	79	82.8
2000	106	96.4
2001	104	96.4
2002	106	96.4
2003	100	96.4
2004	95	96.4
2005	95	96.4
2006	103	96.4
2007	94	96.4
2008	82	96.4
2009	79	96.4
2010	107	108
2012	121	108
2013	102	108
2014	109	108
2015	103	108
2016	102	108
2017	105	108
2018	117	108
2019	106	108
2020	107	116.6
2021	114	116.6
2022	130	116.6
2023	111	116.6
2024	117	116.6
2025	107	116.6
2026	130	116.6

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

First to last qualifying date each year at Healy
Year	First date	Last date
1902	1902-04-19	1902-10-22
1903	1903-04-23	1903-10-19
1904	1904-05-10	1904-10-04
1905	1905-04-08	1905-10-16
1906	1906-04-11	1906-10-12
1907	1907-03-18	1907-10-06
1908	1908-03-25	1908-10-16
1909	1909-04-17	1909-10-05
1910	1910-03-05	1910-10-30
1911	1911-04-02	1911-10-14
1912	1912-04-04	1912-11-10
1913	1913-04-02	1913-10-14
1914	1914-04-15	1914-10-17
1915	1915-04-28	1915-10-30
1916	1916-03-12	1916-10-07
1917	1917-03-30	1917-10-14
1918	1918-05-06	1918-10-15
1919	1919-05-18	1919-10-01
1920	1920-05-22	1920-10-10
1921	1921-03-18	1921-10-24
1922	1922-05-05	1922-10-27
1923	1923-04-30	1923-09-27
1924	1924-04-15	1924-10-01
1925	1925-03-23	1925-10-02
1926	1926-04-17	1926-10-27
1927	1927-04-26	1927-10-27
1928	1928-04-03	1928-10-10
1929	1929-04-03	1929-09-25
1930	1930-04-06	1930-10-09
1931	1931-05-07	1931-10-10
1932	1932-04-05	1932-10-06
1933	1933-04-18	1933-09-29
1934	1934-04-10	1934-10-08
1935	1935-03-15	1935-10-15
1936	1936-04-12	1936-10-19
1938	1938-03-18	1938-10-15
1939	1939-04-22	1939-10-23
1940	1940-04-01	1940-10-22
1941	1941-05-13	1941-09-27
1942	1942-04-04	1942-10-10
1943	1943-03-29	1943-10-28
1944	1944-05-14	1944-10-24
1945	1945-04-09	1945-11-05
1946	1946-03-31	1946-09-26
1947	1947-05-03	1947-10-21
1948	1948-04-10	1948-10-15
1949	1949-04-22	1949-10-07
1950	1950-03-25	1950-10-31
1951	1951-04-28	1951-10-03
1952	1952-04-07	1952-10-26
1953	1953-04-21	1953-10-11
1954	1954-04-06	1954-10-03
1955	1955-04-26	1955-10-19
1956	1956-03-25	1956-10-13
1957	1957-06-05	1957-10-04
1958	1958-05-11	1958-10-19
1959	1959-04-02	1959-10-25
1960	1960-04-19	1960-10-10
1961	1961-04-19	1961-10-07
1962	1962-04-20	1962-10-14
1963	1963-03-24	1963-10-10
1964	1964-04-01	1964-10-30
1965	1965-04-20	1965-10-10
1966	1966-03-31	1966-10-13
1967	1967-04-04	1967-10-12
1968	1968-03-28	1968-10-30
1969	1969-04-30	1969-10-02
1970	1970-04-27	1970-09-20
1971	1971-03-31	1971-10-10
1972	1972-02-29	1972-10-02
1973	1973-05-18	1973-10-07
1974	1974-03-02	1974-10-10
1975	1975-05-17	1975-10-22
1976	1976-03-25	1976-10-01
1977	1977-04-08	1977-10-26
1978	1978-04-07	1978-10-20
1979	1979-04-19	1979-10-11
1980	1980-04-20	1980-11-08
1981	1981-04-10	1981-10-12
1982	1982-05-04	1982-10-27
1983	1983-04-25	1983-10-05
1984	1984-05-10	1984-09-23
1985	1985-04-17	1985-10-07
1986	1986-03-28	1986-09-26
1987	1987-04-17	1987-10-30
1988	1988-03-28	1988-10-23
1989	1989-03-11	1989-10-15
1990	1990-05-19	1990-10-27
1991	1991-05-13	1991-10-23
1992	1992-04-15	1992-10-22
1993	1993-05-15	1993-10-07
1994	1994-03-18	1994-10-01
1995	1995-03-22	1995-10-17
1996	1996-04-03	1996-10-14
1997	1997-03-21	1997-10-07
1998	1998-03-26	1998-10-15
1999	1999-05-10	1999-11-14
2000	2000-04-06	2000-10-02
2001	2001-04-20	2001-10-10
2002	2002-04-02	2002-10-02
2003	2003-04-02	2003-10-24
2004	2004-03-20	2004-09-22
2005	2005-05-11	2005-10-19
2006	2006-03-01	2006-11-09
2007	2007-04-30	2007-10-21
2008	2008-04-16	2008-10-11
2009	2009-03-05	2009-10-01
2010	2010-03-31	2010-10-17
2012	2012-03-17	2012-10-24
2013	2013-03-16	2013-10-11
2014	2014-04-10	2014-10-27
2015	2015-03-17	2015-10-21
2016	2016-02-19	2016-11-17
2017	2017-02-11	2017-10-19
2018	2018-03-24	2018-10-06
2019	2019-04-10	2019-11-10
2020	2020-04-07	2020-11-04
2021	2021-03-30	2021-10-27
2022	2022-04-10	2022-10-24
2023	2023-04-12	2023-11-08
2024	2024-04-14	2024-10-29
2025	2025-03-18	2025-11-15
2026	2026-03-20	2026-10-13

Every Fixed Threshold

Fixed thresholds at Healy
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	123	130	1956	130
35 C (95 F): Days	123	75	2022	56
40 C (104 F): Days	95	32	1934	9
45 C (113 F): Days	4	3	1934	2
90 F (32.2 C): Days	123	111	1956	100
100 F (37.8 C): Days	120	48	2012	29
110 F (43.3 C): Days	20	8	2012	1
0 C (32 F): Ice days (max	123	45	1993	6
0 C (32 F): Frost days (min	125	171	2013	69
-10 C (14 F): Days with min	125	61	1929	15
-20 C (-4 F): Days with min	109	13	1918	7
-30 C (-22 F): Days with min	6	2	1918	2
20 C (68 F): Tropical nights (min	125	42	1934	22
25 C (77 F): Days with min	19	3	1910	1
10 mm (0.39 in): Days with 10 mm or more rain	125	28	1915	17
25 mm (0.98 in): Days with 25 mm or more rain	122	13	1923	5
50 mm (1.97 in): Days with 50 mm or more rain	69	5	1996	2
100 mm (3.94 in): Days with 100 mm or more rain	6	1	1919	1
10 cm (3.9 in): Days with 10 cm or more snowfall	98	9	1958	2
25 cm (9.8 in): Days with 25 cm or more snowfall	13	1	1919	1

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 Healy 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).

Healy Threshold Days by Year (USC00143554)

Key Facts for Healy Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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