condition mean min max 3 h after light 0.22663533333333333 0.0 0.679906 6 h after light 0.2283666666666667 0.0 0.6851 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0