Test your evap rate and use the measured value. Put a certain amount of water in your kettle and boil for an hour then measure the amount after the boil and calculate what you lost!
Primary #1: Cream Stout
Primary #2: Belgian Stout
Secondary #1: Belgian Tripel
Secondary #2: American Barleywine
Kegged:Cherry Poppin' Pale, Apfelwien
Bottled: Red-Headed Step Ale
On-Deck: Scotch Ale