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.
Keystone Lake Spotted Bass Fishing Hide Spotted Bass Info Show Spotted Bass Info. In the 65 degrees range, spotted bass are generally their most active at this water temperature. Baitfish are much more active in this water temperature and the spotted bass will be feeding aggressively throughout the day.