condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.089107 0.0 0.178214 12 h after light 0.04227525 0.0 0.0845505 4 h after dark 0.13709856666666667 0.0375607 0.242624 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0107026 0.0 0.0321078