USGS Data Grapher, Time Series with Percentiles

All Basins Basin and Range sites, Oregon Clackamas River Basin, Oregon Columbia/Snake River sites Cowlitz River Basin, Washington Deschutes River Basin, Oregon John Day River Basin, Oregon Johnson Creek Basin, Oregon Klamath River, Oregon and California Long Tom River Basin, Oregon McKenzie River Basin, Oregon North Coastal Basins, Oregon Northeast Oregon sites North Santiam River Basin, Oregon Rogue River Basin, Oregon Sandy River Basin, Oregon South Coastal Basins, Oregon Southeast Oregon sites South Santiam River Basin, Oregon Tualatin River Basin, Oregon Tualatin Beaver sites, Oregon Upper Klamath Lake, Oregon Umpqua River Basin, Oregon Willamette River Basin sites, Oregon Willamette River off-channel sites, Oregon Willow Creek sites, Oregon Yakima River Basin, Washington  

14178000 - North Santiam R. below Boulder Cr 14179000 - Breitenbush River above French Cr 14179100 - French Creek near Detroit, OR 14180300 - Blowout Creek near Detroit, OR 14180500 - Detroit Lake near Detroit, OR 14181480 - North Santiam River at Big Cliff Dam 14181500 - North Santiam River at Niagara, OR 14181750 - Rock Creek near Mill City, OR 14181900 - Little N. Santiam R. above Evans Ck at Elkhorn, OR 14182400 - Little N. Santiam R. below Canyon Ck nr Mehama, OR 14182500 - Little N. Santiam R. near Mehama, OR 14183000 - North Santiam River at Mehama, OR 14183010 - North Santiam River near Mehama, OR 14183020 - North Santiam River below Stout Creek, near Mehama, OR 14184100 - North Santiam R at Greens Bridge, near Jefferson, OR 444306122144600 - Detroit Lake at Log Boom behind Detroit Dam, OR 444516122243900 - North Santiam River at Gates, OR 444728122450000 - North Santiam R at Geren Island nr Stayton, OR  

  
Computation of the percentiles may take a minute or two.