condition mean min max 0 h after light 46.6442 45.2877 48.0007 4 h after light 69.20605 67.9173 70.4948 8 h after light 83.27145 78.7483 87.7946 4 h after dark 72.26935 64.4765 80.0622 8 h after dark 56.511750000000006 55.9091 57.1144 12 h after dark 46.4134 43.9487 48.8781