What were the dangers in each section of the arena

lightning, jabberjays, flood, blood rain, gas, the 'beast', monkeys, insects, and thats all it mentioned in the book.

lightning , bood storm, fog, monkeys, wave, jabber birds, gas, insects and the flood and that all thats answerd in the book

I'm glad Du asked! The sections are lightning, blood rain, jabberjays, monkey mutts, poisonous fog, tidal wave, insects (never encountered), and a section they heard a brutal death in that Peeta marked as the beast.