US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER WATER AVAILABILITY REPORT FOR MAY 2012 ------------------- 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 234 58 42 69 nr Frenchglen (*)Deep Creek Lake 244 52 -19 54 above Adel County (*)Chewaucan River Lake 542 103 42 82 near Paisley County Williamson River Klamath 1,594 94 -7 73 near Chiloquin Owyhee River Owyhee 266 12 -69 33 near Rome Malheur River Malheur 90 38 67 42 nr Vale (19 yrs POR) Imnaha River Grande Ronde 1,422 91 -13 111 at Imnaha Powder/Burnt Grande Ronde R Grande Ronde 7,207 101 -18 100 at Troy Powder/Burnt Umatilla River Umatilla 369 83 -52 102 nr Gibbon Lower John Day John Day River Upper John Day 3,694 70 -45 77 at Service Crk (*)Little Deschutes Upper 627 174 43 114 River nr LaPine Deschutes Hood River Lower Deschutes 1,565 137 -21 116 nr Hood River Mt.Hood Willamette River Willamette 27,360 142 -49 115 at Salem Wilson River North 1,226 202 -25 115 near Tillamook Coast Umpqua River Rogue/Umpqua 6,947 108 -63 104 near Elkton Rogue River Rogue/Umpqua 5,944 109 -52 88 near Agness Chetco River South Coast 1,314 109 -77 113 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 6/13/2012