condition mean min max 0 h after light 11.6791 11.5969 11.7613 4 h after light 10.734 10.3411 11.1269 8 h after light 14.667200000000001 13.6494 15.685 4 h after dark 12.8872 12.8476 12.9268 8 h after dark 11.5536 11.5498 11.5574 12 h after dark 10.676549999999999 10.6634 10.6897