condition mean min max 4 h after light 67.6 67.6 67.6 8 h after light 47.25 32.9 61.6 12 h after light 75.3 73.3 77.3 4 h after dark 86.94999999999999 55.3 118.6 8 h after dark 109.85 82.1 137.6 12 h after dark 105.05 97.0 113.1