US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR APRIL 2012
------------------- 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 165 71 68 76
nr Frenchglen
(*)Deep Creek Lake 300 80 148 55
above Adel County
(*)Chewaucan River Lake 381 105 220 72
near Paisley County
Williamson River Klamath 1,707 86 46 69
near Chiloquin
Owyhee River Owyhee 861 30 -27 38
near Rome
Malheur River Malheur 54 10 -36 43
nr Vale (19 yrs POR)
Imnaha River Grande Ronde 1,627 175 133 124
at Imnaha Powder/Burnt
Grande Ronde R Grande Ronde 8,780 143 70 100
at Troy Powder/Burnt
Umatilla River Umatilla 763 146 46 107
nr Gibbon Lower John Day
John Day River Upper John Day 6,761 127 106 79
at Service Crk
(*)Little Deschutes Upper 439 150 100 97
River nr LaPine Deschutes
Hood River Lower Deschutes 1,990 157 11 113
nr Hood River Mt.Hood
Willamette River Willamette 53,220 224 -1 112
at Salem
Wilson River North 1,628 140 -54 111
near Tillamook Coast
Umpqua River Rogue/Umpqua 18,760 195 -30 103
near Elkton
Rogue River Rogue/Umpqua 12,450 177 -12 86
near Agness
Chetco River South Coast 5,627 230 -44 113
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
5/8/2012