condition mean min max 0 h after light 3.580325 3.36373 3.79692 2 h after light 1.92827 1.76664 2.0899 4 h after light 2.499835 2.11279 2.88688 8 h after light 7.419815 5.9696 8.87003 12 h after light 8.38919 8.16713 8.61125 2 h after dark 8.213415000000001 7.78612 8.64071 4 h after dark 6.70964 6.4825 6.93678 8 h after dark 5.298170000000001 5.10578 5.49056 12 h after dark 4.136035 4.12371 4.14836