▁snow m elt . ▁A ▁war mer ▁climate ▁could ▁mean ▁less ▁snow fall , ▁more ▁winter ▁rain , ▁and ▁a ▁faster , ▁earlier ▁snow m elt . ▁This ▁could ▁result ▁in ▁lower ▁res er voir s ▁and ▁water ▁supplies ▁in ▁the ▁summer ▁and ▁fall . ▁Additionally , ▁without ▁increases ▁in ▁precip itation , ▁higher ▁summer ▁temper atures ▁and ▁increased ▁ev ap oration ▁also ▁would ▁contribute ▁to ▁lower ▁stream flow s ▁and ▁lake ▁levels ▁in ▁the ▁summer . ▁D rier ▁summer ▁conditions ▁would ▁intens ify ▁competition ▁for ▁water ▁among ▁the ▁diverse ▁and ▁growing ▁dem ands ▁in ▁Id aho . ▁ ▁Agricult ure ▁As ▁climate ▁war ms , ▁production ▁patterns ▁could ▁shift ▁north ward . ▁In cre ases ▁in ▁climate ▁vari ability ▁could ▁make ▁adaptation ▁by ▁far mers ▁more ▁difficult . ▁War mer ▁clim ates ▁and ▁less ▁soil ▁mo ist ure ▁due ▁to ▁increased ▁ev ap oration ▁may ▁increase ▁the ▁need ▁for ▁ir rig ation . ▁However , ▁these ▁same ▁conditions ▁could ▁decrease ▁water ▁supplies . ▁ ▁In ▁Id aho , ▁production ▁agricult ure ▁is ▁a ▁$ 2 . 8 ▁billion ▁annual ▁industry , ▁ 6 0 % ▁of ▁which ▁comes ▁from ▁cro ps . ▁Al most ▁ 7 0 % ▁of ▁the ▁far med ▁acres ▁are ▁ir rig ated . ▁The ▁major ▁cro ps ▁in ▁the ▁state ▁are ▁whe at , ▁hay , ▁bar ley , ▁and ▁pot atoes . ▁Cl imate ▁change ▁could ▁increase ▁whe at ▁yields ▁by ▁ 9 - 1 8 %. ▁Bar ley ▁and ▁hay ▁could ▁increase ▁by ▁ 1