condition mean min max 2 h after light 1.99603 0.155957 4.74982 6 h after light 4.6180235 0.446061 9.57672 10 h after light 4.366311666666666 1.39915 7.84799 14 h after light 4.101271333333333 0.776574 11.8993 18 h after light 2.028494333333333 0.341706 5.95125 2 h after dark 0.882961 0.23357 2.58241