condition mean min max 2 h after light 1.1506045 0.643397 1.61962 6 h after light 0.8211595 0.572987 1.15436 10 h after light 0.4486636666666666 0.190115 0.788079 14 h after light 0.34746699999999997 0.22501 0.448773 18 h after light 0.6783616666666666 0.462036 1.26012 2 h after dark 0.3402451 0.0683796 0.525092