Considering you put the priming sugar in the bucket prior to the reading that may effect the reading (maybe not by much).
EDIT: nope you took it out of the secondary... should be accurate
primaries: BRown Ale
secondaries: Rye IPA
Bottled: IPA, Pigs ear brown clone, stovepipe porter, German Alt, Oktober fest ale, Smoked IPA, failed pale ale, 1st AG ESB, belgian wit, Ipa#2, , Lake wheat, fish Red ale, Smoked wheat,
KEGS: blonde Nugs , Sugar pale light, chin nook ale (gone in 1 week)