condition mean min max 4 h after light 52.3 52.3 52.3 8 h after light 62.15 58.8 65.5 12 h after light 47.75 41.0 54.5 4 h after dark 89.5 41.9 137.1 8 h after dark 93.75 78.7 108.8 12 h after dark 62.85 57.5 68.2