Johnson Pass Threshold Days by Year (USC00424362)

15 fixed thresholds counted per year at Johnson Pass (USC00424362): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Johnson Pass Thresholds

Johnson Pass: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1984 with 186.
Johnson Pass: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1985 with 66.
Johnson Pass: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1983 with 23.
Johnson Pass: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 1983 with 15.
15 fixed thresholds have at least one qualifying day at Johnson Pass.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Johnson Pass with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 2001.

Days at or above 30 C (86 F) per year at Johnson Pass
Year	Days	Decade average
1975	51	52
1976	44	52
1977	61	52
1978	49	52
1979	55	52
1980	48	62.3
1981	66	62.3
1983	47	62.3
1984	60	62.3
1985	62	62.3
1986	69	62.3
1987	54	62.3
1988	93	62.3
1989	62	62.3
1990	80	67.4
1991	62	67.4
1992	63	67.4
1993	45	67.4
1994	85	67.4
1995	64	67.4
1996	85	67.4
1997	62	67.4
1998	63	67.4
1999	65	67.4
2000	86	87.8
2001	101	87.8
2002	87	87.8
2003	92	87.8
2004	69	87.8
2006	94	87.8
2007	92	87.8
2008	81	87.8
2011	55	56.5
2012	58	56.5

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

First to last qualifying date each year at Johnson Pass
Year	First date	Last date
1975	1975-06-06	1975-09-08
1976	1976-06-05	1976-09-05
1977	1977-06-04	1977-09-10
1978	1978-06-09	1978-09-05
1979	1979-06-11	1979-09-18
1980	1980-06-17	1980-09-05
1981	1981-06-07	1981-09-18
1983	1983-05-26	1983-09-16
1984	1984-05-13	1984-09-19
1985	1985-06-06	1985-09-01
1986	1986-05-31	1986-09-07
1987	1987-06-04	1987-09-02
1988	1988-05-15	1988-09-10
1989	1989-05-06	1989-09-05
1990	1990-06-03	1990-09-15
1991	1991-06-11	1991-09-05
1992	1992-06-02	1992-10-01
1993	1993-06-14	1993-09-11
1994	1994-05-29	1994-09-28
1995	1995-06-12	1995-09-16
1996	1996-05-12	1996-10-10
1997	1997-05-16	1997-09-14
1998	1998-06-25	1998-09-18
1999	1999-06-13	1999-09-09
2000	2000-05-03	2000-09-17
2001	2001-05-12	2001-09-28
2002	2002-05-18	2002-09-15
2003	2003-05-22	2003-09-30
2004	2004-06-02	2004-09-17
2006	2006-05-15	2006-09-13
2007	2007-04-29	2007-09-14
2008	2008-05-18	2008-09-30
2011	2011-06-22	2011-08-31
2012	2012-05-15	2012-09-10

Every Fixed Threshold

Fixed thresholds at Johnson Pass
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	101	2001	58
35 C (95 F): Days	34	46	2003	1
40 C (104 F): Days	6	3	2006	3
90 F (32.2 C): Days	34	73	2001	35
100 F (37.8 C): Days	19	18	2003	4
0 C (32 F): Ice days (max	34	44	1985	11
0 C (32 F): Frost days (min	35	186	1984	133
-10 C (14 F): Days with min	35	66	1985	18
-20 C (-4 F): Days with min	14	9	1990	1
20 C (68 F): Tropical nights (min	30	10	2003	1
25 C (77 F): Days with min	2	2	1998	2
10 mm (0.39 in): Days with 10 mm or more rain	35	23	1983	21
25 mm (0.98 in): Days with 25 mm or more rain	29	4	1981	2
10 cm (3.9 in): Days with 10 cm or more snowfall	35	15	1983	8
25 cm (9.8 in): Days with 25 cm or more snowfall	7	3	1981	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

Data for Johnson Pass 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).

Johnson Pass Threshold Days by Year (USC00424362)

Key Facts for Johnson Pass Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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