condition mean min max ZT0-3 91.87141 91.87141 91.87141 ZT4-7 72.7953565 72.7953565 72.7953565 ZT8-11 86.7281135 86.7281135 86.7281135 ZT12-15 68.4513105 68.4513105 68.4513105 ZT16-19 131.2210025 131.2210025 131.2210025 ZT20-23 112.04554 112.04554 112.04554