condition mean min max 4 h after light 0.3305356333333333 0.0437959 0.606668 8 h after light 0.840655 0.137095 1.31841 12 h after light 0.6990353333333333 0.570258 0.846871 4 h after dark 0.937783 0.650297 1.4431 8 h after dark 0.556781 0.378147 0.911167 12 h after dark 0.5820676666666666 0.373933 0.754743