condition mean min max ZT0-3 1410.2 1410.2 1410.2 ZT4-7 1201.8 1201.8 1201.8 ZT8-11 1023.1 1023.1 1023.1 ZT12-15 882.8499999999999 882.8499999999999 882.8499999999999 ZT16-19 1082.0 1082.0 1082.0 ZT20-23 1214.65 1214.65 1214.65