Tejon Rancho Threshold Days by Year

16 fixed thresholds counted per year at Tejon Rancho (USC00048839): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tejon Rancho Thresholds

Tejon Rancho: days with a maximum temperature at or above 30 C (86 F) in 82 years, most in 1940 with 161.
Tejon Rancho: days with a maximum temperature at or above 35 C (95 F) in 82 years, most in 1960 with 90.
Tejon Rancho: days with a maximum temperature at or above 90 F (32.2 C) in 82 years, most in 2001 with 136.
Tejon Rancho: days with a maximum temperature at or above 100 F (37.8 C) in 82 years, most in 1996 with 53.
16 fixed thresholds have at least one qualifying day at Tejon Rancho.

Days at or above 30 C (86 F)

82 years with a qualifying day

Days per year at Tejon Rancho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 161 in 1940.

Days at or above 30 C (86 F) per year at Tejon Rancho
Year	Days	Decade average
1905	83	83
1915	86	92
1916	68	92
1919	122	92
1921	111	108.6
1922	111	108.6
1923	89	108.6
1924	119	108.6
1925	100	108.6
1926	121	108.6
1927	90	108.6
1928	126	108.6
1929	110	108.6
1930	101	110.6
1931	114	110.6
1932	110	110.6
1933	102	110.6
1934	103	110.6
1935	113	110.6
1936	120	110.6
1937	112	110.6
1938	108	110.6
1939	123	110.6
1940	161	118.9
1941	124	118.9
1942	129	118.9
1943	136	118.9
1944	108	118.9
1945	119	118.9
1946	101	118.9
1947	117	118.9
1948	92	118.9
1949	102	118.9
1950	111	114
1951	118	114
1952	103	114
1953	95	114
1954	109	114
1955	114	114
1956	118	114
1957	119	114
1958	126	114
1959	127	114
1960	137	119.4
1961	124	119.4
1962	128	119.4
1963	108	119.4
1964	121	119.4
1965	115	119.4
1967	113	119.4
1968	115	119.4
1969	114	119.4
1970	123	120.9
1971	108	120.9
1972	109	120.9
1974	142	120.9
1975	132	120.9
1976	98	120.9
1978	124	120.9
1979	131	120.9
1980	123	131.4
1981	128	131.4
1983	122	131.4
1984	139	131.4
1985	119	131.4
1986	118	131.4
1987	143	131.4
1988	144	131.4
1989	147	131.4
1990	126	131.3
1991	138	131.3
1992	150	131.3
1993	111	131.3
1994	126	131.3
1995	126	131.3
1996	141	131.3
1997	148	131.3
1998	106	131.3
1999	141	131.3
2000	132	144.5
2001	157	144.5
2026	86	86

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

First to last qualifying date each year at Tejon Rancho
Year	First date	Last date
1905	1905-05-15	1905-10-04
1915	1915-05-28	1915-10-29
1916	1916-03-11	1916-09-28
1919	1919-04-23	1919-10-14
1921	1921-04-28	1921-11-03
1922	1922-05-06	1922-10-03
1923	1923-04-15	1923-10-22
1924	1924-04-20	1924-10-20
1925	1925-05-03	1925-09-22
1926	1926-04-25	1926-10-14
1927	1927-04-24	1927-10-16
1928	1928-04-29	1928-10-19
1929	1929-05-01	1929-10-23
1930	1930-03-26	1930-11-07
1931	1931-04-09	1931-10-03
1932	1932-04-11	1932-10-06
1933	1933-05-25	1933-10-22
1934	1934-03-10	1934-10-13
1935	1935-05-20	1935-10-10
1936	1936-04-11	1936-10-14
1937	1937-04-25	1937-10-30
1938	1938-04-19	1938-10-01
1939	1939-04-18	1939-10-31
1940	1940-04-08	1940-10-21
1941	1941-04-25	1941-11-08
1942	1942-04-19	1942-10-18
1943	1943-05-01	1943-10-07
1944	1944-04-02	1944-10-28
1945	1945-04-17	1945-10-03
1946	1946-04-23	1946-10-14
1947	1947-04-13	1947-10-05
1948	1948-05-06	1948-10-22
1949	1949-04-11	1949-10-31
1950	1950-04-19	1950-10-15
1951	1951-04-11	1951-10-09
1952	1952-04-04	1952-10-07
1953	1953-04-25	1953-11-01
1954	1954-04-15	1954-10-17
1955	1955-05-11	1955-10-16
1956	1956-04-09	1956-10-01
1957	1957-04-28	1957-10-10
1958	1958-05-04	1958-10-17
1959	1959-04-02	1959-10-25
1960	1960-03-20	1960-10-05
1961	1961-04-03	1961-10-19
1962	1962-04-12	1962-10-02
1963	1963-05-16	1963-10-07
1964	1964-04-13	1964-10-22
1965	1965-04-26	1965-10-25
1967	1967-05-15	1967-10-20
1968	1968-04-10	1968-09-28
1969	1969-03-29	1969-09-30
1970	1970-05-02	1970-10-11
1971	1971-04-04	1971-10-15
1972	1972-03-16	1972-10-02
1974	1974-04-30	1974-10-20
1975	1975-05-12	1975-10-06
1976	1976-05-10	1976-10-16
1978	1978-05-10	1978-10-24
1979	1979-05-12	1979-10-07
1980	1980-04-15	1980-10-25
1981	1981-04-23	1981-09-21
1983	1983-05-18	1983-10-30
1984	1984-04-14	1984-10-09
1985	1985-04-01	1985-10-07
1986	1986-04-21	1986-10-22
1987	1987-04-14	1987-10-08
1988	1988-04-06	1988-10-23
1989	1989-04-05	1989-10-20
1990	1990-04-13	1990-10-26
1991	1991-04-30	1991-11-08
1992	1992-04-20	1992-10-14
1993	1993-06-01	1993-10-30
1994	1994-04-15	1994-10-11
1995	1995-05-20	1995-10-21
1996	1996-04-08	1996-10-11
1997	1997-03-25	1997-11-06
1998	1998-04-21	1998-10-23
1999	1999-04-15	1999-10-31
2000	2000-04-03	2000-10-09
2001	2001-03-20	2001-10-17
2026	2026-03-17	2026-10-07

Every Fixed Threshold

Fixed thresholds at Tejon Rancho
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	82	161	1940	86
35 C (95 F): Days	82	90	1960	53
40 C (104 F): Days	67	25	1959	5
45 C (113 F): Days	2	1	1955	1
90 F (32.2 C): Days	82	136	2001	74
100 F (37.8 C): Days	82	53	1996	17
110 F (43.3 C): Days	9	4	1961	1
0 C (32 F): Ice days (max	1	1	1998	1
0 C (32 F): Frost days (min	77	61	1975	12
-10 C (14 F): Days with min	2	1	1989	1
20 C (68 F): Tropical nights (min	79	94	1928	55
25 C (77 F): Days with min	68	31	1931	12
10 mm (0.39 in): Days with 10 mm or more rain	71	25	1998	2
25 mm (0.98 in): Days with 25 mm or more rain	53	5	1943	1
50 mm (1.97 in): Days with 50 mm or more rain	4	1	1962	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1958	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Tejon Rancho 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Tejon Rancho Threshold Days by Year

Key Facts for Tejon Rancho Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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