condition mean min max 0 h after light 7.91 7.59147 8.22853 2 h after light 8.430685 8.20333 8.65804 4 h after light 1.621805 1.37327 1.87034 8 h after light 0.6132615 0.410292 0.816231 12 h after light 3.4727699999999997 3.31242 3.63312 2 h after dark 4.5433 3.96969 5.11691 4 h after dark 3.2542299999999997 2.94188 3.56658 8 h after dark 5.965765 5.89852 6.03301 12 h after dark 8.89461 8.15706 9.63216