condition mean min max 4 h after light 0.03901595 0.0 0.0780319 8 h after light 0.11702585 0.0961937 0.137858 12 h after light 0.0244256 0.0 0.0488512 4 h after dark 0.013778433333333333 0.0 0.0413353 8 h after dark 0.057882833333333335 0.0 0.14029 12 h after dark 0.0220872 0.0 0.0662616