US GEOLOGICAL SURVEY, Oregon Water Science Center WATER AVAILABILITY REPORT FOR APRIL 2008 ------------------- Change --------------------- Monthly mean in dis- Accumulated Runoff discharge charge For the Period ------------------- from Oct. to Apr. NRCS Cubic Percent previous --------------------- SWSI feet per of month Percent Station Basin second average (percent) of average ------------------------------------------------------------------------------------------ Donner Und Blitzen Harney 166 72 23 67 nr Frenchglen (*)Deep Creek Lake 312 84 120 56 above Adel County (*)Chewaucan River Lake 241 66 76 59 near Paisley County Williamson River Klamath 1,781 90 47 69 near Chiloquin Owyhee River Owyhee 2,929 104 92 59 near Rome Malheur River Malheur 42 8 -63 29 nr Vale (19yrs POR) Imnaha River Grande Ronde 547 59 101 63 at Imnaha Powder/Burnt Grande Ronde R Grande Ronde 4,840 79 42 66 at Troy Powder/Burnt Umatilla River Umatilla 427 82 16 73 nr Gibbon Lower John Day John Day River Upper John Day 4,260 80 25 67 at Service Crk (*)Little Deschutes Upper 144 49 29 51 River nr LaPine Deschutes Hood River Lower Deschutes 972 77 -22 84 nr Hood River Mt.Hood Willamette River Willamette 21,220 89 -23 91 at Salem Wilson River North 1,350 116 -14 106 near Tillamook Coast Umpqua River Rogue/Umpqua 8,520 88 -35 102 near Elkton Rogue River Rogue/Umpqua 5,532 79 -20 85 near Agness Chetco River South Coast 1,707 70 -35 92 near Brookings All data should be considered provisional and subject to revision Percent of average computed using 30-year base period,wtr yrs 1971-2000,except where noted (*) provided by Oregon Water Resources Department 05/20/2008