0 8 / 0 1 / 2 0 0 6 . ▁July ▁is ▁the ▁peak ▁month ▁for ▁th under st orm ▁activity ▁which ▁correl ates ▁with ▁the ▁average ▁warm est ▁month ▁of ▁the ▁year . ▁The ▁average ▁wet test ▁month ▁is ▁September ▁which ▁correl ates ▁with ▁tropical ▁storm ▁rem n ants ▁during ▁the ▁peak ▁month ▁of ▁the ▁Atlantic ▁h urr icane ▁season . ▁Since ▁ 1 9 8 1 , ▁the ▁wet test ▁calendar ▁day ▁was ▁ 6 . 7 4 ▁inches ▁( 1 7 1   mm ) ▁on ▁ 0 9 / 3 0 / 2 0 1 0 . ▁During ▁the ▁winter ▁months , ▁the ▁plant ▁hard iness ▁zone ▁is ▁ 5 b ▁with ▁an ▁average ▁annual ▁extreme ▁minimum ▁air ▁temperature ▁of ▁. ▁Since ▁ 1 9 8 1 , ▁the ▁col dest ▁air ▁temperature ▁was ▁ ▁on ▁ 0 1 / 2 2 / 1 9 8 4 . ▁Epis odes ▁of ▁extreme ▁cold ▁and ▁wind ▁can ▁occur ▁with ▁wind ▁ch ill ▁values ▁< ▁. ▁The ▁average ▁snow iest ▁month ▁is ▁January ▁which ▁correl ates ▁with ▁the ▁average ▁col dest ▁month ▁of ▁the ▁year . ▁Ice ▁storm s ▁and ▁large ▁snow st orm s ▁depos iting ▁ ≥ ▁ 1 2 ▁inches ▁( 3 0   cm ) ▁of ▁snow ▁occur ▁nearly ▁every ▁year , ▁particularly ▁during ▁nor ’ e aster s ▁from ▁December ▁through ▁March . ▁ ▁E col ogy ▁ ▁According ▁to ▁the ▁A . ▁W . ▁K uch ler ▁U . S . ▁potential ▁natural ▁veget