Inyokern Threshold Days by Year (USC00044278)

16 fixed thresholds counted per year at Inyokern (USC00044278): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Inyokern Thresholds

Inyokern: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1992 with 9.
Inyokern: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1966 with 96.
Inyokern: nights with a minimum temperature at or above 20 C (68 F) in 45 years, most in 1961 with 56.
Inyokern: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1954 with 175.
16 fixed thresholds have at least one qualifying day at Inyokern.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Inyokern with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 175 in 1954.

Days at or above 30 C (86 F) per year at Inyokern
Year	Days	Decade average
1949	154	154
1950	167	153.3
1951	152	153.3
1953	130	153.3
1954	175	153.3
1955	154	153.3
1956	152	153.3
1957	127	153.3
1958	166	153.3
1959	157	153.3
1960	161	145.2
1961	152	145.2
1962	158	145.2
1963	140	145.2
1964	134	145.2
1965	128	145.2
1966	140	145.2
1967	147	145.2
1969	147	145.2
1970	144	145.7
1971	135	145.7
1972	153	145.7
1974	156	145.7
1975	152	145.7
1976	150	145.7
1977	142	145.7
1978	147	145.7
1979	132	145.7
1981	155	143
1982	133	143
1984	142	143
1985	145	143
1986	130	143
1989	153	143
1992	152	145.8
1993	139	145.8
1994	142	145.8
1995	138	145.8
1996	153	145.8
1997	165	145.8
1998	118	145.8
1999	159	145.8
2000	156	156

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

First to last qualifying date each year at Inyokern
Year	First date	Last date
1949	1949-04-12	1949-10-16
1950	1950-04-01	1950-10-20
1951	1951-04-08	1951-10-19
1953	1953-04-04	1953-10-30
1954	1954-04-12	1954-10-22
1955	1955-05-05	1955-10-30
1956	1956-03-24	1956-10-21
1957	1957-05-04	1957-09-30
1958	1958-04-16	1958-10-19
1959	1959-04-01	1959-10-26
1960	1960-03-08	1960-10-23
1961	1961-04-02	1961-10-27
1962	1962-04-07	1962-11-01
1963	1963-04-30	1963-10-11
1964	1964-04-14	1964-10-24
1965	1965-04-19	1965-10-31
1966	1966-03-28	1966-11-01
1967	1967-05-07	1967-11-01
1969	1969-03-29	1969-10-08
1970	1970-04-10	1970-10-12
1971	1971-05-12	1971-10-15
1972	1972-03-05	1972-10-13
1974	1974-04-30	1974-10-21
1975	1975-05-09	1975-11-03
1976	1976-04-21	1976-11-03
1977	1977-04-06	1977-10-26
1978	1978-05-03	1978-10-19
1979	1979-04-15	1979-10-17
1981	1981-04-14	1981-10-24
1982	1982-04-26	1982-10-22
1984	1984-04-13	1984-10-13
1985	1985-04-02	1985-10-18
1986	1986-02-26	1986-11-03
1989	1989-03-30	1989-10-19
1992	1992-04-24	1992-10-20
1993	1993-04-21	1993-10-26
1994	1994-03-14	1994-10-12
1995	1995-04-25	1995-10-27
1996	1996-03-20	1996-10-15
1997	1997-03-10	1997-11-02
1998	1998-03-23	1998-10-12
1999	1999-04-17	1999-10-26
2000	2000-04-02	2000-10-21

Every Fixed Threshold

Fixed thresholds at Inyokern
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	175	1954	156
35 C (95 F): Days	43	118	1974	110
40 C (104 F): Days	43	60	1981	47
45 C (113 F): Days	17	7	1972	3
90 F (32.2 C): Days	43	150	1954	139
100 F (37.8 C): Days	43	100	1981	80
110 F (43.3 C): Days	35	16	1972	8
0 C (32 F): Ice days (max	1	1	1949	1
0 C (32 F): Frost days (min	45	96	1966	39
-10 C (14 F): Days with min	14	7	1950	2
20 C (68 F): Tropical nights (min	45	56	1961	25
25 C (77 F): Days with min	40	10	1961	1
10 mm (0.39 in): Days with 10 mm or more rain	48	9	1992	3
25 mm (0.98 in): Days with 25 mm or more rain	19	3	1978	1
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1976	1
10 cm (3.9 in): Days with 10 cm or more snowfall	3	2	1995	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Inyokern 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).

Inyokern Threshold Days by Year (USC00044278)

Key Facts for Inyokern Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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