condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.24422533333333332 0.0 0.732676 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.136093 0.0 0.408279 12 h after dark 0.4439645 0.0 0.887929