6-2-4: DEFINITIONS:
Unless specifically defined below, words or phrases used in this chapter shall be interpreted so as to give them the meaning they have in common usage and to give this chapter its most reasonable application:
   BUILDING OFFICIAL: The Valley County building official.
   EXTERIOR LIGHTING: Temporary or permanent lighting that is installed, located or used in such a manner to cause light rays to shine outdoors. Lights that are indoors that are intended to light something outside are considered exterior lighting for the purpose of this chapter. Exterior lighting does not include emergency or warning lights on vehicles.
   GLARE: Stray, unshielded light striking the eye that may result in:
   A.   Nuisance or annoyance glare such as light shining into a window;
   B.   Discomfort glare such as bright light causing squinting of the eyes;
   C.   Disabling glare such as bright light reducing the ability of the eyes to see into shadows; or
   D.   Reduction of visual performance.
   KELVIN: Temperature scale, in this context used to describe color of light (see section 6-2-7, "Figures", of this chapter).
   LED: Light emitting diode.
   LIGHT COLOR: Color temperature specified in degrees Kelvin.
   LIGHT POLLUTION: Any adverse effect of manmade light including, but not limited to, discomfort to the eye or diminished vision due to glare, light trespass, uplighting, the uncomfortable distraction to the eye, or any manmade light that diminishes the ability to view the night sky.
   LIGHT TRESPASS: Light falling on the property of another or the public right of way when it is not required to do so.
   SKYGLOW: The overhead glow from light emitted sideways and upward. Skyglow is caused by the reflection and scattering of light by dust, water vapor and other particles suspended in the atmosphere. Skyglow reduces one's ability to view the night sky. (Ord. 05-2, 11-8-2004; amd. Ord. 17-02, 2-13-2017)