condition mean min max ZT0-3 43.36597 43.36597 43.36597 ZT4-7 68.72807850000001 68.72807850000001 68.72807850000001 ZT8-11 122.1397675 122.1397675 122.1397675 ZT12-15 95.8209035 95.8209035 95.8209035 ZT16-19 99.893955 99.893955 99.893955 ZT20-23 112.244254 112.244254 112.244254