3 months:
Chest Width: 19 3/4 inches
Full Length: 9 inches
Yarn Required:
Sweater: 4 skeins
Jacket: 3 skeins

6 months:
Chest Width: 21 1/4 inches
Full Length: 9 3/4 inches
Yarn Required:
Sweater: 5 skeins
Jacket: 4 skeins

9 months:
Chest Width: 23 1/4 inches
Full Length: 10 1/2 inches
Yarn Required:
Sweater: 5 skeins
Jacket: 4 skeins

12 months:
Chest Width: 24 1/2 inches
Full Length: 11 1/2 inches
Yarn Required:
Sweater: 6 skeins
Jacket: 5 skeins

18 months:
Chest Width: 25 1/2 inches
Full Length: 12 1/4 inches
Yarn Required:
Sweater: 6 skeins
Jacket: 5 skeins

2 years:
Chest Width: 26 3/4 inches
Full Length: 14 1/4 inches
Yarn Required:
Sweater: 7 skeins
Jacket: 6 skeins

3 years:
Chest Width: 28 1/2 inches
Full Length: 15 inches
Yarn Required:
Sweater: 8 skeins
Jacket: 7 skeins

4 years:
Chest Width: 30 inches
Full Length: 15 3/4 inches
Yarn Required:
Sweater: 9 skeins
Jacket: 8 skeins

5 years:
Chest Width: 31 1/2 inches
Full Length: 16 1/2 inches
Yarn Required:
Sweater: 10 skeins
Jacket: 9 skeins

Also published in finnish: Suuri Käsityölehti 6/2001 as “12. Huppupusero”.