condition mean min max 4 h after light 83.0 83.0 83.0 8 h after light 90.85 78.8 102.9 12 h after light 153.35 84.2 222.5 4 h after dark 260.5 206.1 314.9 8 h after dark 258.6 228.2 289.0 12 h after dark 238.55 189.9 287.2