condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0891165 0.0 0.178233 12 h after light 0.0866675 0.0 0.173335 2 h after dark 0.0 0.0 0.0 4 h after dark 0.169012 0.165875 0.172149 8 h after dark 0.0970585 0.0 0.194117 12 h after dark 0.0 0.0 0.0