condition mean min max 4 h after light 0.6651545 0.413502 0.916807 8 h after light 0.7159685 0.58785 0.844087 12 h after light 0.891598 0.711066 1.07213 4 h after dark 1.033976 0.950642 1.11731 8 h after dark 0.7726770000000001 0.650221 0.895133 12 h after dark 1.19689 1.07793 1.31585