inaudleo otetot e modeein aell he s he range of natural variability in precipiti evthoughtemperatus gi remarkay. idently that did ot get through. but that's what happenthe aractezation f precipitation isnot nlike today. not rain vers sno but he totawater vole s sill looking a llike the mer climate. >> let me ta acracat this. 's a great questi. its the arrier that a lot o water age face. on the,pa leo cmate, side e te past will e me deal with floods ad rough properly eal witthem if we had abetter since of th rom rin i he 1920s we wou probly make different assumptions onthe corado river maybe wewould not but was informatiow did not have about climattat wuld have changed potentiay a desion th watemanag's and liticians had. going nto he few uh-uhture, mager's and planrs haa lot of tools for dealing with these kinds of variabilities thatwe aveto fac paicarly, whatwe're suggesting isnot to do anything different but include abroader rao future climas in our plan. that maybe degninothing, if o buiing from scratch ffertly tn if there water climate change. mntto ask aurine,she deribethe - well, what want