condition mean min max 0 h after light 0.3168225 0.31654 0.317105 4 h after light 0.9280525 0.727245 1.12886 8 h after light 1.0672415000000002 0.751843 1.38264 4 h after dark 0.9344395000000001 0.910324 0.958555 8 h after dark 0.7571239999999999 0.623505 0.890743 12 h after dark 0.429941 0.333024 0.526858