condition mean min max 0 h after light 0.811159 0.649621 0.972697 4 h after light 1.46922 1.12695 1.81149 8 h after light 4.383035 3.74055 5.02552 4 h after dark 4.009964999999999 3.30352 4.71641 8 h after dark 2.433685 1.96919 2.89818 12 h after dark 1.4054185000000001 0.593627 2.21721