condition mean min max 0 h after light 5.355174999999999 5.26024 5.45011 2 h after light 7.198125 6.58941 7.80684 4 h after light 9.662455000000001 9.3952 9.92971 8 h after light 7.847995 6.57391 9.12208 12 h after light 9.665805 9.24891 10.0827 2 h after dark 7.6477 7.36264 7.93276 4 h after dark 8.2684 7.68594 8.85086 8 h after dark 6.84004 6.3415 7.33858 12 h after dark 6.578415 6.01831 7.13852