At the risk of sounding simplistic - if you are looking for the split from a weather file - couldn't you just use Excel?
Vikram Sami
AIA, BEMP, LEED BD+C
Associate Partner
ZGF ARCHITECTS LLP
T 206.521.3509 E vikram.sami at zgf.com
925 Fourth Avenue, Suite 2400
Seattle, WA 98104
