condition mean min max 2 h after light 0.6193236666666667 0.0 1.88442 6 h after light 0.4098753333333333 0.157012 0.728958 10 h after light 0.779758 0.183181 1.2824 14 h after light 0.774872 0.189197 1.50763 18 h after light 0.7323995 0.0 2.41537 2 h after dark 1.4598048333333333 0.305796 3.70295