condition mean min max 4 h after light 49.9 49.9 49.9 8 h after light 46.95 46.6 47.3 12 h after light 103.15 67.9 138.4 4 h after dark 99.35 55.3 143.4 8 h after dark 78.4 46.2 110.6 12 h after dark 52.25 49.6 54.9