condition mean min max 4 h after light 204.6085 199.879 209.338 8 h after light 89.262 83.3746 95.1494 12 h after light 47.7547 42.6542 52.8552 4 h after dark 41.4644 38.4431 44.4857 8 h after dark 65.09025 62.7831 67.3974 12 h after dark 188.37349999999998 170.534 206.213