National Storage (NSA) came out with quarterly funds from operations (FFO) of $0.60 per share, missing the Zacks Consensus Estimate of $0.61 per share. This compares to FFO of $0.66 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an FFO surprise of -1.64%. A quarter ago, it was expected that this real estate investment trust would post FFO of $0.66 per share when it actually produced FFO of $0.68, delivering a surprise of 3.03%.Over the last four qua ...