condition mean min max 4 h after light 119.9 119.9 119.9 8 h after light 151.25 142.1 160.4 12 h after light 142.4 66.7 218.1 4 h after dark 113.2 109.0 117.4 8 h after dark 109.2 79.9 138.5 12 h after dark 113.55000000000001 89.2 137.9