US GEOLOGICAL SURVEY, Oregon Water Science Center WATER AVAILABILITY REPORT FOR MAY 2009 ------------------- Change --------------------- Monthly mean in dis- Accumulated Runoff discharge charge For the Period ------------------- from Oct. to May NRCS Cubic Percent previous --------------------- SWSI feet per of month Percent Station Basin second average (percent) of average ------------------------------------------------------------------------------------------ Donner Und Blitzen Harney 330 81 81 68 nr Frenchglen (*)Deep Creek Lake 442 94 83 61 above Adel County (*)Chewaucan River Lake 530 100 126 69 near Paisley County Williamson River Klamath 1,364 80 16 64 near Chiloquin Owyhee River Owyhee 941 42 -48 50 near Rome Malheur River Malheur 28 12 -30 27 nr Vale (19yrs POR) Imnaha River Grande Ronde 1,635 104 72 94 at Imnaha Powder/Burnt Grande Ronde R Grande Ronde 10,870 152 8 120 at Troy Powder/Burnt Umatilla River Umatilla 898 201 -3 131 nr Gibbon Lower John Day John Day River Upper John Day 6,623 125 4 87 at Service Crk (*)Little Deschutes Upper 341 95 87 62 River nr LaPine Deschutes Hood River Lower Deschutes 2,243 196 43 102 nr Hood River Mt.Hood Willamette River Willamette 25,330 131 16 81 at Salem Wilson River North 1,061 175 -15 93 near Tillamook Coast Umpqua River Rogue/Umpqua 6,490 101 -19 80 near Elkton Rogue River Rogue/Umpqua 5,843 108 42 63 near Agness Chetco River South Coast 2,044 169 213 79 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 6/17/2009