A 17* temperature difference?!? That's crazy. My basement also runs 58-60* and I usually get a 5-6* dif with Cali ale yeast... What temperature did you chill your wort to? Maybe you pitched while it was still in the high 60's?
"I don't want these logs looking like a Boy Scout was turned loose on them with a dull hatchet" -DP
primary 1: Desert Sky's Bombshell Blonde Ale
primary 2: :(
bottled: Sim'arillo IPA, Stout, BM's Centennial Blonde, Belgian Blonde, Citra'rillo APA, Saison, Mt. Hood Blonde