condition mean min max 4 h after light 106.3 106.3 106.3 8 h after light 154.75 147.6 161.9 12 h after light 128.85 106.0 151.7 4 h after dark 136.1 120.0 152.2 8 h after dark 146.89999999999998 113.1 180.7 12 h after dark 141.5 116.2 166.8