Red Rock Canyon - Spg Mt Rch S Threshold Days by Year (USC00266691)

18 fixed thresholds counted per year at Red Rock Canyon - Spg Mt Rch S (USC00266691): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Red Rock Canyon - Spg Mt Rch S Thresholds

Red Rock Canyon - Spg Mt Rch S: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1992 with 19.
Red Rock Canyon - Spg Mt Rch S: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1983 with 6.
Red Rock Canyon - Spg Mt Rch S: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 2001 with 136.
Red Rock Canyon - Spg Mt Rch S: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 1981 with 77.
18 fixed thresholds have at least one qualifying day at Red Rock Canyon - Spg Mt Rch S.

Days at or above 30 C (86 F)

25 years with a qualifying day

Days per year at Red Rock Canyon - Spg Mt Rch S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 2001.

Days at or above 30 C (86 F) per year at Red Rock Canyon - Spg Mt Rch S
Year	Days	Decade average
1979	127	127
1980	104	116
1981	117	116
1982	96	116
1983	106	116
1984	111	116
1985	116	116
1986	117	116
1987	134	116
1988	124	116
1989	135	116
1990	98	108.9
1991	115	108.9
1992	128	108.9
1993	112	108.9
1994	124	108.9
1995	70	108.9
1996	128	108.9
1997	117	108.9
1998	86	108.9
1999	111	108.9
2001	136	125
2007	120	125
2008	119	125
2015	113	113

For each year, a bar from the first to the last day at Red Rock Canyon - Spg Mt Rch S meeting 30 C (86 F).

First to last qualifying date each year at Red Rock Canyon - Spg Mt Rch S
Year	First date	Last date
1979	1979-05-15	1979-10-13
1980	1980-04-19	1980-10-12
1981	1981-04-25	1981-09-29
1982	1982-05-18	1982-09-25
1983	1983-05-22	1983-09-26
1984	1984-04-17	1984-09-29
1985	1985-04-09	1985-10-07
1986	1986-04-22	1986-09-14
1987	1987-04-15	1987-10-12
1988	1988-05-12	1988-10-23
1989	1989-04-07	1989-10-12
1990	1990-04-14	1990-10-06
1991	1991-05-25	1991-10-20
1992	1992-04-27	1992-10-16
1993	1993-04-22	1993-10-05
1994	1994-04-20	1994-09-29
1995	1995-05-21	1995-10-19
1996	1996-04-27	1996-10-13
1997	1997-05-05	1997-10-06
1998	1998-06-02	1998-09-20
1999	1999-05-26	1999-10-15
2001	2001-04-26	2001-10-04
2007	2007-04-27	2007-09-15
2008	2008-05-18	2008-10-10
2015	2015-05-01	2015-10-14

Every Fixed Threshold

Fixed thresholds at Red Rock Canyon - Spg Mt Rch S
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	25	136	2001	113
35 C (95 F): Days	25	77	1981	45
40 C (104 F): Days	19	19	1985	4
45 C (113 F): Days	1	1	1985	1
90 F (32.2 C): Days	25	108	2001	88
100 F (37.8 C): Days	25	41	1981	12
110 F (43.3 C): Days	1	3	1985	3
0 C (32 F): Ice days (max	8	3	1979	3
0 C (32 F): Frost days (min	20	91	1994	39
-10 C (14 F): Days with min	8	10	1990	6
20 C (68 F): Tropical nights (min	20	82	1981	72
25 C (77 F): Days with min	20	40	1981	28
10 mm (0.39 in): Days with 10 mm or more rain	33	19	1992	2
25 mm (0.98 in): Days with 25 mm or more rain	26	6	1983	3
50 mm (1.97 in): Days with 50 mm or more rain	6	3	1983	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1986	1
10 cm (3.9 in): Days with 10 cm or more snowfall	9	1	1979	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

Data for Red Rock Canyon - Spg Mt Rch S 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).

Red Rock Canyon - Spg Mt Rch S Threshold Days by Year (USC00266691)

Key Facts for Red Rock Canyon - Spg Mt Rch S Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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