condition mean min max ZT0-3 0.12472535275 0.0968847515 0.152565954 ZT4-7 0.10580231874999999 0.042483103499999994 0.169121534 ZT8-11 1.31361716775 0.343875382 2.2833589535 ZT12-15 8.1539481125 6.8740867735 9.4338094515 ZT16-19 5.103307374 3.9398062345 6.266808513499999 ZT20-23 1.9873085445 1.7666313615 2.2079857275