condition mean min max 4 h after light 101.3 101.3 101.3 8 h after light 112.9 109.3 116.5 12 h after light 131.1 115.1 147.1 4 h after dark 139.89999999999998 138.1 141.7 8 h after dark 117.05 97.9 136.2 12 h after dark 114.65 109.2 120.1