condition mean min max ZT0-3 93.0136103275 72.515649655 113.51157099999999 ZT4-7 54.973928904999994 52.80605917 57.14179864 ZT8-11 89.02421843249999 74.13910489 103.909331975 ZT12-15 101.33495055 101.12583645000001 101.54406465 ZT16-19 110.951512765 104.001539565 117.901485965 ZT20-23 113.66292352500001 112.68170715000001 114.64413990000001