condition mean min max 3 h after light 99.0096 86.6628 108.647 6 h after light 87.68866666666666 82.5217 92.3163 9 h after light 82.1438 74.9164 92.5093 12 h after light 88.3606 77.3195 115.711 3 h after dark 82.959 78.2916 89.1578 6 h after dark 87.94616666666667 84.4564 94.5471 9 h after dark 88.33043333333333 87.0945 89.6363 12 h after dark 112.119 111.882 112.356