condition mean min max 0 h after light 1.050809 0.699708 1.40191 4 h after light 1.7593 1.37975 2.13885 8 h after light 4.95581 2.07676 7.83486 4 h after dark 0.6885600000000001 0.687202 0.689918 8 h after dark 0.3445625 0.0 0.689125 12 h after dark 3.4710099999999997 2.05064 4.89138