The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from the Latin, ante meridiem, meaning before midday) and p.m. (post meridiem, meaning after midday). Each period consists of 12 hours numbered: 12 (acting as zero), 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11.
Girlsâ Average Height. You can review the average height of a toddler-aged child using growth charts, such as those available online at Kids Growth. The average height for a 12-month-old girl is 30.5 inches, and the normal range goes from just over 27 inches to about 31 inches.ust like average height, average weight is estimated using growth charts. The average weight for a 12-month old girl is about 20 lbs., ranging normally from just over 19 to 27.5 lbs. The average weight for a 24-month-old girl is about 26.5 lbs.
The chart shows that at age 2 95% of girls are less than 36 inches (about 91 centimeters) and 5% are less than 31 inches (79 cm). At 20 years 95% of girls are less than 69 inches (about 174 cm), or 5 feet 9 inches. and 5% are less than 60 inches (152 cm). Find your child's height on the left side, and read horizontally across until you reach the vertical line for your child's age.