condition mean min max 4 h after light 0.83715 0.0 1.6743 8 h after light 0.998013 0.542606 1.45342 12 h after light 0.3313465 0.0 0.662693 4 h after dark 0.434419 0.0 0.868838 8 h after dark 0.86824 0.57542 1.16106 12 h after dark 0.5037820000000001 0.285766 0.721798