condition mean min max 4 h after light 119.3 119.3 119.3 8 h after light 85.75 68.3 103.2 12 h after light 92.94999999999999 79.8 106.1 4 h after dark 85.2 41.9 128.5 8 h after dark 46.15 44.4 47.9 12 h after dark 48.45 30.4 66.5