condition mean min max 4 h after light 154.1 154.1 154.1 8 h after light 196.14999999999998 194.6 197.7 12 h after light 183.0 130.6 235.4 4 h after dark 108.80000000000001 35.8 181.8 8 h after dark 78.6 39.9 117.3 12 h after dark 113.85 110.1 117.6