condition mean min max 4 h after light 3.07258 1.94761 3.65322 8 h after light 1.9542683333333333 0.711735 2.72483 12 h after light 2.27365 1.91618 2.7582 4 h after dark 2.36142 1.85712 2.96251 8 h after dark 2.53313 2.0009 3.24742 12 h after dark 3.6512466666666668 2.85378 5.05849