condition mean min max 0 h after light 0.7838765000000001 0.470913 1.09684 4 h after light 1.024853 0.772446 1.27726 8 h after light 0.4717865 0.465066 0.478507 4 h after dark 1.774305 1.23113 2.31748 8 h after dark 1.240425 1.08025 1.4006 12 h after dark 2.3199449999999997 2.19073 2.44916