condition mean min max 4 h after light 87.209451 82.340645 92.078257 8 h after light 114.5786215 107.770519 121.386724 12 h after light 121.3463835 101.153018 141.539749 4 h after dark 155.870641 124.72569 187.015592 8 h after dark 112.69179499999998 96.611556 128.772034 12 h after dark 80.001975 80.001975 80.001975