condition mean min max 4 h after light 45.3 45.3 45.3 8 h after light 82.75 69.2 96.3 12 h after light 64.65 63.7 65.6 4 h after dark 81.6 59.1 104.1 8 h after dark 93.2 89.7 96.7 12 h after dark 132.25 83.0 181.5