condition mean min max 0 h after light 1.1097955 0.941251 1.27834 4 h after light 1.334805 1.06194 1.60767 8 h after light 1.3661475 0.961745 1.77055 4 h after dark 3.81094 2.86827 4.75361 8 h after dark 2.0685700000000002 1.55763 2.57951 12 h after dark 1.203789 0.800198 1.60738