condition mean min max 4 h after light 8.295945 6.50869 10.0832 8 h after light 10.81455 10.629 11.0001 12 h after light 28.988799999999998 28.5912 29.3864 4 h after dark 19.9227 19.2157 20.6297 8 h after dark 13.60915 12.4997 14.7186 12 h after dark 10.97185 10.5167 11.427