A Vulcan lute on Aldea. The Vulcan lute (sometimes referred to as Vulcan harp, Vulcan lyre, or Vulcan Lyrette) was a twelve-stringed instrument, played on the planet Vulcan, that was tuned on a diatonic scale and noted to be very soothing.
Keystone Average Weather. 1  The highest monthly average temperature in Keystone for July is 54 degrees. 2  The lowest monthly average temperature in Keystone for December is 14 degrees.  The most monthly precipitation in Keystone occurs in January with 0 inches.
The highest monthly average temperature in Copper Canyon for August is 85 degrees. The lowest monthly average temperature in Copper Canyon for January is 46 degrees. The most monthly precipitation in Copper Canyon occurs in June with 3.7 inches. The air quality index in Copper Canyon is 8% worse than the national average. The pollution index in Copper Canyon is 72% better than the national average.