condition mean min max 0 h after light 1.4296250000000001 1.16243 1.69682 2 h after light 2.207415 2.16343 2.2514 4 h after light 2.3934699999999998 1.96569 2.82125 8 h after light 2.1467 2.06312 2.23028 12 h after light 2.3839550000000003 2.28906 2.47885 2 h after dark 1.86787 1.03598 2.69976 4 h after dark 2.200245 1.63086 2.76963 8 h after dark 3.749035 3.68101 3.81706 12 h after dark 2.08387 1.31728 2.85046