condition mean min max 4 h after light 8.649003333333333 4.12037 15.5631 8 h after light 4.26169 1.81155 6.10149 12 h after light 6.055113333333334 4.71253 7.04854 4 h after dark 6.755 5.29949 7.48942 8 h after dark 5.93409 3.93052 7.38159 12 h after dark 4.700283333333333 4.1506 5.2935