condition mean min max 4 h after light 113.708 102.676 124.74 8 h after light 64.57275 61.8788 67.2667 12 h after light 11.26065 10.0641 12.4572 4 h after dark 41.5739 40.53 42.6178 8 h after dark 34.963350000000005 34.9626 34.9641 12 h after dark 103.0547 98.0654 108.044