Heber Threshold Days by Year

17 fixed thresholds counted per year at Heber (USC00423809): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Heber Thresholds

Heber: nights with a minimum temperature at or below 0 C (32 F) in 114 years, most in 1899 with 242.
Heber: nights with a minimum temperature at or below -10 C (14 F) in 114 years, most in 1898 with 97.
Heber: nights with a minimum temperature at or below -20 C (-4 F) in 108 years, most in 1955 with 38.
Heber: days with a maximum temperature at or above 30 C (86 F) in 106 years, most in 1931 with 81.
17 fixed thresholds have at least one qualifying day at Heber.

Days at or above 30 C (86 F)

106 years with a qualifying day

Days per year at Heber with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 1931.

Days at or above 30 C (86 F) per year at Heber
Year	Days	Decade average
1894	37	47.3
1897	51	47.3
1898	62	47.3
1899	39	47.3
1900	51	46.8
1901	57	46.8
1902	53	46.8
1903	51	46.8
1904	33	46.8
1905	55	46.8
1906	39	46.8
1907	35	46.8
1908	44	46.8
1909	50	46.8
1910	60	42.5
1911	41	42.5
1912	22	42.5
1913	27	42.5
1914	22	42.5
1915	33	42.5
1916	39	42.5
1917	56	42.5
1918	53	42.5
1919	72	42.5
1920	57	50.2
1921	51	50.2
1922	45	50.2
1923	33	50.2
1924	64	50.2
1925	44	50.2
1926	56	50.2
1927	49	50.2
1928	53	50.2
1929	50	50.2
1930	43	57.1
1931	81	57.1
1932	51	57.1
1933	70	57.1
1934	69	57.1
1935	60	57.1
1936	44	57.1
1937	58	57.1
1938	47	57.1
1939	48	57.1
1940	68	43.7
1941	27	43.7
1942	51	43.7
1943	40	43.7
1944	42	43.7
1945	28	43.7
1946	40	43.7
1947	38	43.7
1948	53	43.7
1949	50	43.7
1950	38	41.4
1951	30	41.4
1952	37	41.4
1953	44	41.4
1954	36	41.4
1955	36	41.4
1956	53	41.4
1957	36	41.4
1958	50	41.4
1959	54	41.4
1960	59	44.3
1961	57	44.3
1962	41	44.3
1963	54	44.3
1964	45	44.3
1965	10	44.3
1966	46	44.3
1967	45	44.3
1968	33	44.3
1969	53	44.3
1970	45	49.1
1971	66	49.1
1972	50	49.1
1973	42	49.1
1974	63	49.1
1977	50	49.1
1978	35	49.1
1979	42	49.1
1980	42	36.5
1981	54	36.5
1982	32	36.5
1983	20	36.5
1984	19	36.5
1985	42	36.5
1986	27	36.5
1987	24	36.5
1988	62	36.5
1989	43	36.5
1990	69	60
1991	56	60
1992	55	60
2002	59	61.4
2003	63	61.4
2004	44	61.4
2005	45	61.4
2006	61	61.4
2007	79	61.4
2008	72	61.4
2009	68	61.4
2010	63	62.7
2011	55	62.7
2012	70	62.7

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

First to last qualifying date each year at Heber
Year	First date	Last date
1894	1894-06-02	1894-08-28
1897	1897-05-23	1897-09-05
1898	1898-06-16	1898-08-29
1899	1899-06-16	1899-09-12
1900	1900-06-01	1900-09-06
1901	1901-05-17	1901-08-28
1902	1902-06-07	1902-09-15
1903	1903-06-19	1903-09-04
1904	1904-06-14	1904-09-09
1905	1905-06-12	1905-09-23
1906	1906-05-09	1906-08-18
1907	1907-06-28	1907-09-12
1908	1908-06-14	1908-09-07
1909	1909-06-03	1909-08-28
1910	1910-05-29	1910-09-10
1911	1911-06-11	1911-09-11
1912	1912-06-05	1912-08-26
1913	1913-05-25	1913-09-05
1914	1914-05-30	1914-09-19
1915	1915-06-22	1915-08-31
1916	1916-06-16	1916-09-01
1917	1917-06-17	1917-09-04
1918	1918-06-06	1918-09-21
1919	1919-05-19	1919-08-30
1920	1920-06-07	1920-09-16
1921	1921-06-10	1921-09-01
1922	1922-06-06	1922-09-20
1923	1923-06-11	1923-08-25
1924	1924-06-12	1924-09-14
1925	1925-05-28	1925-09-02
1926	1926-06-06	1926-09-20
1927	1927-05-16	1927-09-20
1928	1928-05-29	1928-09-22
1929	1929-06-14	1929-09-19
1930	1930-06-07	1930-08-30
1931	1931-05-13	1931-09-14
1932	1932-06-21	1932-09-17
1933	1933-06-11	1933-10-27
1934	1934-05-06	1934-09-16
1935	1935-06-08	1935-09-20
1936	1936-05-13	1936-09-21
1937	1937-06-21	1937-09-19
1938	1938-06-04	1938-09-27
1939	1939-05-29	1939-09-20
1940	1940-06-12	1940-09-01
1941	1941-06-21	1941-08-07
1942	1942-06-23	1942-09-07
1943	1943-06-26	1943-09-23
1944	1944-06-29	1944-09-13
1945	1945-07-05	1945-09-14
1946	1946-06-30	1946-09-13
1947	1947-05-03	1947-09-06
1948	1948-06-10	1948-09-15
1949	1949-07-01	1949-09-27
1950	1950-06-27	1950-09-06
1951	1951-05-27	1951-09-17
1952	1952-06-09	1952-09-05
1953	1953-06-23	1953-09-14
1954	1954-05-20	1954-09-01
1955	1955-07-10	1955-09-08
1956	1956-05-31	1956-09-19
1957	1957-06-04	1957-09-30
1958	1958-06-19	1958-09-11
1959	1959-06-11	1959-09-10
1960	1960-06-03	1960-09-13
1961	1961-06-09	1961-08-28
1962	1962-06-23	1962-09-19
1963	1963-07-01	1963-09-30
1964	1964-06-25	1964-08-25
1965	1965-07-04	1965-08-11
1966	1966-06-19	1966-09-22
1967	1967-06-30	1967-09-05
1968	1968-06-17	1968-09-10
1969	1969-06-04	1969-09-07
1970	1970-06-22	1970-09-02
1971	1971-06-16	1971-10-10
1972	1972-05-30	1972-08-22
1973	1973-06-09	1973-09-05
1974	1974-05-26	1974-09-04
1977	1977-06-04	1977-09-08
1978	1978-07-07	1978-09-04
1979	1979-06-13	1979-09-18
1980	1980-06-25	1980-09-06
1981	1981-06-22	1981-09-04
1982	1982-06-27	1982-09-04
1983	1983-07-05	1983-08-14
1984	1984-06-28	1984-08-31
1985	1985-06-07	1985-08-31
1986	1986-06-23	1986-08-27
1987	1987-06-13	1987-09-02
1988	1988-06-03	1988-10-05
1989	1989-06-15	1989-09-05
1990	1990-06-09	1990-09-15
1991	1991-06-11	1991-09-26
1992	1992-05-05	1992-10-02
2002	2002-05-28	2002-09-05
2003	2003-05-23	2003-09-04
2004	2004-06-03	2004-09-11
2005	2005-06-21	2005-09-03
2006	2006-05-18	2006-09-04
2007	2007-06-04	2007-09-05
2008	2008-05-20	2008-09-30
2009	2009-05-18	2009-09-18
2010	2010-06-06	2010-10-03
2011	2011-06-23	2011-10-01
2012	2012-04-22	2012-08-30

Every Fixed Threshold

Fixed thresholds at Heber
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	106	81	1931	70
35 C (95 F): Days	76	26	1931	2
40 C (104 F): Days	1	3	1931	3
90 F (32.2 C): Days	106	62	1919	37
100 F (37.8 C): Days	10	10	1931	3
0 C (32 F): Ice days (max	106	60	1984	9
0 C (32 F): Frost days (min	114	242	1899	173
-10 C (14 F): Days with min	114	97	1898	38
-20 C (-4 F): Days with min	108	38	1955	8
-30 C (-22 F): Days with min	45	12	1949	5
20 C (68 F): Tropical nights (min	2	1	1930	1
10 mm (0.39 in): Days with 10 mm or more rain	87	18	1980	4
25 mm (0.98 in): Days with 25 mm or more rain	49	5	1980	2
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1946	1
10 cm (3.9 in): Days with 10 cm or more snowfall	82	14	1936	5
25 cm (9.8 in): Days with 25 cm or more snowfall	24	2	1937	2
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1980	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 Heber 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Heber Threshold Days by Year

Key Facts for Heber Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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