Too warm - Hunted in short or long sleeves over half the season. Needed bug spray for the first split.
Too much water - Weather cycle was stuck on "rain every Friday" To the tune of 12.5 inches so far during the season.
In spite of all of the above, we still managed to whack a few.
Three more weeks left. Had a strong front push through ND, SD & KS. Praying for birds...