condition mean min max 4 h after light 0.17929333333333333 0.0 0.53788 8 h after light 0.667632 0.272241 0.998481 12 h after light 0.466192 0.238052 0.635557 4 h after dark 1.291109 0.727257 1.8583 8 h after dark 0.274577 0.0 0.443725 12 h after dark 0.28594966666666666 0.22682 0.397756