condition mean min max 0 h after light 0.531571 0.492347 0.570795 2 h after light 0.7666615 0.682922 0.850401 4 h after light 1.565085 1.38534 1.74483 8 h after light 0.7024675 0.586688 0.818247 12 h after light 0.7780905 0.605238 0.950943 2 h after dark 1.52089 1.09174 1.95004 4 h after dark 0.595491 0.473209 0.717773 8 h after dark 0.6884465 0.596375 0.780518 12 h after dark 0.751872 0.687263 0.816481