condition mean min max 0 h after light 0.8854315 0.680353 1.09051 4 h after light 2.15787 1.54282 2.77292 8 h after light 1.42908 1.10809 1.75007 4 h after dark 0.7705325 0.467735 1.07333 8 h after dark 1.6484299999999998 1.6217 1.67516 12 h after dark 0.9726085 0.815327 1.12989