Mountain Pass, California

Mountain Pass
Unincorporated community
Mountain Pass

Location within the state of California

Coordinates: 35°28′13″N 115°32′42″W / 35.47028°N 115.54500°W / 35.47028; -115.54500Coordinates: 35°28′13″N 115°32′42″W / 35.47028°N 115.54500°W / 35.47028; -115.54500
Country United States
State California
County San Bernardino
Elevation 4,728 ft (1,441 m)
Time zone Pacific (PST) (UTC-8)
 • Summer (DST) PDT (UTC-7)
ZIP codes 92366
Area code(s) 760

Mountain Pass is an unincorporated community in San Bernardino County, California, United States. It is situated on Interstate 15 in the southeast mountainous desert region of the state approximately 15 miles (24 km) from the Nevada border at an elevation of 4,730 feet (1,440 m) - the highest point along I-15 between California and Nevada. It has a population of 30.[1][2]

The most prominent feature of the town, and its reason for existence, is the Mountain Pass rare earth mine, an open pit mine for rare earth elements. The mine and its associated processing facilities, which are owned by Molycorp Minerals, are currently undergoing expansion and modernization, and returned to production in 2013. In 2015, Molycorp declared bankruptcy and the mine closed its doors again.

Climate

Climate data for Mountain Pass, California. (Elevation 4,740 ft)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 71
(22)		 76
(24)		 81
(27)		 90
(32)		 104
(40)		 109
(43)		 110
(43)		 109
(43)		 102
(39)		 96
(36)		 89
(32)		 70
(21)		 110
(43)
Average high °F (°C) 50.4
(10.2)		 53.7
(12.1)		 59.0
(15)		 66.4
(19.1)		 76.3
(24.6)		 87.0
(30.6)		 92.8
(33.8)		 89.9
(32.2)		 83.9
(28.8)		 72.4
(22.4)		 58.9
(14.9)		 51.1
(10.6)		 70.2
(21.2)
Average low °F (°C) 29.5
(−1.4)		 32.4
(0.2)		 35.8
(2.1)		 41.0
(5)		 49.8
(9.9)		 59.2
(15.1)		 66.5
(19.2)		 64.5
(18.1)		 56.6
(13.7)		 46.3
(7.9)		 36.2
(2.3)		 30.2
(−1)		 45.7
(7.6)
Record low °F (°C) 3
(−16)		 6
(−14)		 12
(−11)		 19
(−7)		 28
(−2)		 36
(2)		 42
(6)		 44
(7)		 33
(1)		 21
(−6)		 10
(−12)		 −2
(−19)		 −2
(−19)
Average precipitation inches (mm) 0.92
(23.4)		 0.89
(22.6)		 0.89
(22.6)		 0.48
(12.2)		 0.27
(6.9)		 0.20
(5.1)		 1.04
(26.4)		 1.23
(31.2)		 0.59
(15)		 0.54
(13.7)		 0.68
(17.3)		 0.63
(16)		 8.36
(212.3)
Average snowfall inches (cm) 2.7
(6.9)		 1.8
(4.6)		 1.4
(3.6)		 0.5
(1.3)		 0.2
(0.5)		 0
(0)		 0
(0)		 0
(0)		 0
(0)		 0.1
(0.3)		 1.1
(2.8)		 1.5
(3.8)		 9.3
(23.6)
Source: The Western Regional Climate Center[3]

References

  1. ↑ "Mountain Pass, California CA, profile (San Bernardino County)". ePodunk. 2008. Retrieved 2009-03-04.
  2. ↑ Population and elevation according to city limit sign on I-15 northbound.
  3. ↑ "Seasonal Temperature and Precipitation Information". Western Regional Climate Center. Retrieved March 29, 2013.
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