condition mean min max 4 h after light 99.35069999999999 97.9764 100.725 8 h after light 89.48599999999999 89.4605 89.5115 12 h after light 67.4474 62.805 72.0898 4 h after dark 70.40333333333334 69.5687 71.0572 8 h after dark 84.88373333333334 83.7325 86.9598 12 h after dark 91.6733 90.3316 92.7555