condition mean min max 4 h after light 98.2 98.2 98.2 8 h after light 142.55 142.1 143.0 12 h after light 107.1 96.4 117.8 4 h after dark 96.4 88.5 104.3 8 h after dark 111.5 100.7 122.3 12 h after dark 99.44999999999999 89.1 109.8