condition mean min max 4 h after light 138.1 138.1 138.1 8 h after light 169.2 148.8 189.6 12 h after light 311.25 167.9 454.6 4 h after dark 340.29999999999995 304.7 375.9 8 h after dark 392.5 303.7 481.3 12 h after dark 402.05 380.8 423.3