condition mean min max 0 h after light 111.369 109.472 113.266 4 h after light 65.99875 58.9071 73.0904 8 h after light 56.321349999999995 52.3823 60.2604 4 h after dark 80.3254 77.8137 82.8371 8 h after dark 81.9154 77.489 86.3418 12 h after dark 102.178 85.264 119.092