condition mean min max 3 h after light 5.844141333333333 0.941446 13.4012 7 h after light 4.6816735 0.756722 10.511 11 h after light 4.150770583333333 0.908114 9.11422 2 h after dark 4.227806916666667 0.764733 11.7695 6 h after dark 3.8012306666666666 0.891858 7.0867 10 h after dark 3.58649125 0.557997 7.90482