condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.145208 0.0 0.435624 12 h after light 0.7610717499999999 0.0 2.26753 3 h after dark 0.3765983333333333 0.0 0.629416 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.192915 0.0 0.38583