condition mean min max 0 h after light 0.9856874999999999 0.844015 1.12736 4 h after light 1.3454125000000001 0.970845 1.71998 8 h after light 1.942755 1.80922 2.07629 4 h after dark 1.48817 1.45063 1.52571 8 h after dark 2.223965 1.74637 2.70156 12 h after dark 1.669695 1.44291 1.89648