condition mean min max 0 h after light 0.371582 0.0 0.743164 2 h after light 0.345781 0.0 0.691562 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.71071 0.0 1.42142 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0