condition mean min max 3 h after light 0.0141864 0.0 0.0244635 6 h after light 0.011457033333333333 0.0 0.018234 9 h after light 0.005055566666666666 0.0 0.0151667 12 h after light 0.016683566666666667 0.0 0.0292059 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0058719 0.0 0.0176157 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0