condition mean min max 4 h after light 118.7 118.7 118.7 8 h after light 105.5 82.4 128.6 12 h after light 96.7 76.9 116.5 4 h after dark 83.55000000000001 75.9 91.2 8 h after dark 90.7 62.5 118.9 12 h after dark 67.8 63.5 72.1