condition mean min max 2 h after light 0.943246 0.0 2.88526 6 h after light 1.018105 0.0 1.86683 10 h after light 0.8450333333333333 0.0 2.87484 14 h after light 0.753621 0.0 1.38727 18 h after light 1.2428846666666666 0.0 3.15894 2 h after dark 0.11984066666666666 0.0 0.719044