condition mean min max 4 h after light 0.7302694999999999 0.329989 1.13055 8 h after light 0.5416259999999999 0.475422 0.60783 12 h after light 1.5111150000000002 1.49588 1.52635 4 h after dark 3.8080266666666667 3.44811 4.22218 8 h after dark 2.35702 2.27315 2.43526 12 h after dark 0.802129 0.482035 1.04991