condition mean min max ZT0-3 0.02105897725 0.0 0.0421179545 ZT4-7 12.578863251249999 5.6726174055 19.485109097 ZT8-11 146.19009433000002 95.19559736000001 197.18459130000002 ZT12-15 180.4345673925 135.761912635 225.10722215000004 ZT16-19 31.103779669999998 20.78586953 41.42168981 ZT20-23 8.95764950725 7.3876272274999994 10.527671787