condition mean min max 0 h after light 0.09036545 0.0902849 0.090446 4 h after light 3.679745 0.0 7.35949 8 h after light 0.137857 0.0 0.275714 4 h after dark 1.1977635 0.356087 2.03944 8 h after dark 0.401636 0.358675 0.444597 12 h after dark 0.1332813 0.0901636 0.176399