condition mean min max 4 h after light 103.0 103.0 103.0 8 h after light 115.6 99.1 132.1 12 h after light 96.30000000000001 85.7 106.9 4 h after dark 69.5 35.4 103.6 8 h after dark 130.35000000000002 112.9 147.8 12 h after dark 53.5 14.6 92.4