condition mean min max 3 h after light 0.123827 0.0 0.241529 6 h after light 0.05522573333333333 0.0 0.0858486 9 h after light 0.0 0.0 0.0 12 h after light 0.06322995000000001 0.0 0.177096 3 h after dark 0.03256923333333333 0.0 0.0977077 6 h after dark 0.0 0.0 0.0 9 h after dark 0.07750886666666666 0.0 0.143529 12 h after dark 0.0 0.0 0.0