condition mean min max 0 h after light 0.6412795 0.457532 0.825027 4 h after light 0.0451101 0.0 0.0902202 8 h after light 0.13710545000000002 0.0931479 0.181063 4 h after dark 0.045113 0.0 0.090226 8 h after dark 0.0450612 0.0 0.0901224 12 h after dark 0.04574815 0.0 0.0914963