condition mean min max 4 h after light 0.764069 0.617436 0.910702 8 h after light 2.4300949999999997 2.41145 2.44874 12 h after light 3.85582 3.69475 4.01689 4 h after dark 1.3539599999999998 1.1959 1.51202 8 h after dark 1.56587 1.4769 1.65484 12 h after dark 1.3023435 0.885047 1.71964