US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER
WATER AVAILABILITY REPORT FOR DECEMBER 2020
------------------- Change ---------------------
Monthly mean in dis- Accumulated Runoff
discharge charge For the Period
------------------- from Oct. to Dec.
NRCS Cubic Percent previous ---------------------
SWSI feet per of month Percent
Station Basin second average (percent) of average
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Donner Und Blitzen Harney 34 57 -3 67
nr Frenchglen
(*)Deep Creek Lake 15 19 0 30
above Adel County
(*)Chewaucan River Lake 31 41 -14 58
near Paisley County
Williamson River Klamath 529 61 0 72
near Chiloquin
Owyhee River Owyhee 157 44 1 58
near Rome
(*)NF Malheur River Malheur 40 63 -13 77
near Beulah
Grande Ronde R Grande Ronde 1,230 78 10 92
at Troy Powder/Burnt
Umatilla River Umatilla 225 113 83 107
nr Gibbon Lower John Day
John Day River Upper John Day 440 39 14 51
at Service Crk
(*)Little Deschutes Upper 79 56 -10 71
River nr LaPine Deschutes
Hood River Lower Deschutes 1,170 94 54 90
nr Hood River Mt.Hood
Willamette River Willamette 36,500 83 68 83
at Salem
Wilson River North 2,410 97 20 104
near Tillamook Coast
Umpqua River Rogue/Umpqua 7,370 51 97 55
near Elkton
Rogue River Rogue/Umpqua 3,370 35 53 45
near Agness
SF Coquille River South Coast 974 52 138 47
at Powers
Chetco River South Coast 2,780 50 53 52
near Brookings
All data should be considered provisional and subject to revision.
Percent of average computed using 30-year base period, water years 1981-2010.
(*) provided by Oregon Water Resources Department
1/4/2021