condition mean min max ZT0-3 13904.34282 13904.34282 13904.34282 ZT4-7 13881.236069999999 13881.236069999999 13881.236069999999 ZT8-11 11693.314484999999 11693.314484999999 11693.314484999999 ZT12-15 13930.40357 13930.40357 13930.40357 ZT16-19 14662.903139999999 14662.903139999999 14662.903139999999 ZT20-23 13667.338635 13667.338635 13667.338635