condition mean min max 4 h after light 131.4 131.4 131.4 8 h after light 140.35000000000002 136.3 144.4 12 h after light 125.39999999999999 74.1 176.7 4 h after dark 131.05 72.4 189.7 8 h after dark 103.0 69.7 136.3 12 h after dark 92.55 59.1 126.0