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.
Six varieties of Keystone have been produced, as well as the original: 1  Keystone, introduced 1989, found with a gold can, red label, later changed to Keystone Premium. 2  Keystone Premium, found with a red, white and blue can. 3  Keystone Light, introduced 1989, found with a blue label. Keystone Dry, introduced 1991, found with a black can, red label. 2  Keystone Ice, introduced 1994, ice brewed ale, found with a black label. 3  Keystone Amber Light, introduced 1994, found with a gold can with a diamond Amber Light badge. 4  Keystone V9, Puerto Rico only.