condition mean min max 2 h after light 1.3102966666666667 1.00915 1.78336 6 h after light 0.515941 0.0 0.970801 10 h after light 0.511439 0.0 0.969028 2 h after dark 2.7710466666666664 2.48327 2.97089 6 h after dark 7.2152899999999995 4.85136 8.81678 10 h after dark 5.79111 4.45498 7.332