Sierra de Juárez

For the range of the same name in Oaxaca state, see Sierra Juárez, Oaxaca.
Sierra de Juárez

Geography
Range coordinates 31°28′N 115°31′W / 31.46°N 115.51°W / 31.46; -115.51Coordinates: 31°28′N 115°31′W / 31.46°N 115.51°W / 31.46; -115.51
Snow in the Sierra de Juárez.

The Sierra de Juárez is a mountain range of the northwestern Baja California Peninsula, located in northern Baja California state, Mexico.

Geography

The Sierra de Juárez range is within the Peninsular Ranges System of Southern California and the Baja California Peninsula. The Laguna Mountains (U.S.) are on the north, and the Sierra San Pedro Mártir (México) are on the south, both Peninsular Ranges also.

The range is the location of the southern tip of the Great Basin Divide at a triple watershed point of the Great Basin (northern), the Pacific Ocean (western), and Gulf of California (eastern) watersheds.

The higher elevation Sierra Juarez is protected within Constitution 1857 National Park, approximately 45 miles (72 km) east of Ensenada. [1] The scenic lake Laguna Hanson, an important stopover for migratory birds, and the endemic pine-oak forests habitat are within the park. [1]

Ecology

The lower elevations of the western Sierra Juarez slopes are within the California coastal sage and chaparral sub−ecoregion of the California chaparral and woodlands ecoregion.

The lower elevations of the eastern slopes are within the Sonoran Desert ecoregion, with its unique desert flora. They are also the southern natural distribution limit of the California Fan Palm (Washingtonia filifera).

The higher elevations of the Sierra Juarez, with those of the Sierra San Pedro Mártir, are within the Sierra Juarez and San Pedro Martir pine-oak forests ecoregion. Pine species include the Jeffrey pine (Pinus jeffreyi) and the Parry Piñon pine (Pinus monophylla). [1]

Climate

The western flank of the range lies at the southeastern extremity of the Mediterranean climate region, that extends across much of California and into northwestern Baja California.


Climate data for Sierra de Juarez (1951-2010)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 25.5
(77.9)		 26.0
(78.8)		 27.5
(81.5)		 33.0
(91.4)		 33.5
(92.3)		 39.0
(102.2)		 39.5
(103.1)		 40.0
(104)		 39.5
(103.1)		 35.0
(95)		 31.0
(87.8)		 33.0
(91.4)		 40.0
(104)
Average high °C (°F) 11.7
(53.1)		 13.1
(55.6)		 12.9
(55.2)		 16.0
(60.8)		 20.3
(68.5)		 24.6
(76.3)		 28.4
(83.1)		 27.9
(82.2)		 25.4
(77.7)		 20.0
(68)		 15.7
(60.3)		 13.4
(56.1)		 19.1
(66.4)
Daily mean °C (°F) 4.5
(40.1)		 5.4
(41.7)		 5.7
(42.3)		 8.0
(46.4)		 11.5
(52.7)		 15.1
(59.2)		 19.0
(66.2)		 18.5
(65.3)		 16.2
(61.2)		 11.1
(52)		 7.4
(45.3)		 5.4
(41.7)		 10.7
(51.3)
Average low °C (°F) −2.7
(27.1)		 −2.3
(27.9)		 −1.6
(29.1)		 0.0
(32)		 2.7
(36.9)		 5.6
(42.1)		 9.5
(49.1)		 9.1
(48.4)		 7.1
(44.8)		 2.2
(36)		 −0.8
(30.6)		 −2.4
(27.7)		 2.2
(36)
Record low °C (°F) −19.0
(−2.2)		 −14.0
(6.8)		 −14.0
(6.8)		 −13.0
(8.6)		 −14.0
(6.8)		 −6.0
(21.2)		 −7.0
(19.4)		 −10.0
(14)		 −5.0
(23)		 −12.0
(10.4)		 −15.0
(5)		 −17.0
(1.4)		 −19.0
(−2.2)
Average precipitation mm (inches) 51.1
(2.012)		 57.0
(2.244)		 68.3
(2.689)		 22.9
(0.902)		 3.9
(0.154)		 0.5
(0.02)		 33.8
(1.331)		 39.9
(1.571)		 21.5
(0.846)		 17.8
(0.701)		 38.1
(1.5)		 36.1
(1.421)		 390.9
(15.39)
Average precipitation days (≥ 0.1 mm) 4.9 4.6 5.5 2.9 0.8 0.2 3.3 3.8 2.1 2.0 3.4 3.9 37.4
Average snowy days 0.70 0.10 0.90 0.45 0 0 0 0 0 0 0.40 1.60 4.15
Source #1: Servicio Meteorológico Nacional[2]
Source #2: Colegio de Postgraduados[3]

See also

Wikimedia Commons has media related to Sierra de Juárez.

References

  1. 1 2 3 Bajaquest.com: Constitution 1857 National Park
  2. ↑ "Normales climatológicas 1951-2010" (in Spanish). Servicio Meteorológico Nacional. Retrieved January 16, 2013.
  3. ↑ "Normales climatológicas para Sierra de Juarez, B.C" (in Spanish). Colegio de Postgraduados. Retrieved January 16, 2013.
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