US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER WATER AVAILABILITY REPORT FOR MAY 2023 ------------------- 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 612 159 87 123 nr Frenchglen (*)Deep Creek Lake 809 190 22 120 above Adel County (*)Chewaucan River Lake 1,100 232 54 151 near Paisley County Williamson River Klamath 2,440 172 18 97 near Chiloquin Owyhee River Owyhee 2,550 152 -45 118 near Rome (*)NF Malheur River Malheur 905 284 70 142 near Beulah Grande Ronde R Grande Ronde 10,100 139 65 88 at Troy Powder/Burnt Umatilla River Umatilla 574 123 6 75 nr Gibbon Lower John Day John Day River Upper John Day 10,700 214 62 106 at Service Crk (*)Little Deschutes Upper 359 115 252 58 River nr LaPine Deschutes Hood River Lower Deschutes 1,830 155 42 80 nr Hood River Mt.Hood Willamette River Willamette 22,100 108 -43 79 at Salem Wilson River North 524 84 -80 86 near Tillamook Coast Umpqua River Rogue/Umpqua 6,180 99 -60 80 near Elkton Rogue River Rogue/Umpqua 6,550 120 -14 81 near Agness SF Coquille River South Coast 444 106 -79 109 at Powers Chetco River South Coast 1,060 82 -74 90 near Brookings All data should be considered provisional and subject to revision. Percent of average computed using 30-year base period, water years 1991-2020. (*) provided by Oregon Water Resources Department 06/02/2023