US GEOLOGICAL SURVEY, WATER RESOURCES DIVISION
Oregon District
COMPARATIVE FLOW TABLE FOR APRIL 2000
------------------- Change ------------------- ------------
Monthly mean in dis- Discharge near Accumulated
discharge charge end of month Runoff
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Cubic Percent previous Cubic Oct-Apr
feet per of month feet per Percent of
Station second average (percent) second Date Average
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Donner Und Blitzen 200 90 +133 226 30 79
nr Frenchglen, OR
Williamson River 2,158 106 +19 2,200 30 100
nr Chiloquin, OR
Imnaha River 1,253 139 +248 1,130 30 102
at Imnaha, OR
Umatilla River 568 113 +38 337 30 96
nr Gibbon, OR
John Day River 6,550 131 +44 3,880 30 99
at Service Creek, OR
Columbia River 272,870 132 +45 282,000 30 120
at The Dalles, OR
Willamette River 19,290 85 -27 19,700 30 97
at Salem, OR
Wilson River 614 58 -56 917 30 105
nr Tillamook, OR
Umpqua River 8,679 97 -16 6,560 30 89
nr Elkton, OR
Rogue River 6,987 99 -11 5,360 30 83
nr Agness, OR
Naselle River 193 51 -58 247 30 99
nr Naselle, WA
Chehalis River 1,703 60 -60 1,600 30 103
nr Grand Mound, WA
Queets River nr 3,140 77 -28 4,030 30 107
Clearwater, WA(1974-90)
Dungeness River 350 114 +93 286 30 111
nr Sequim, WA
Skykomish River 6,106 145 +139 4,500 30 119
nr Gold Bar, WA
Nooksack River at 4,872 132 +46 3,850 30 113
Ferndale, WA(1967-90)
Kettle River 4,250 193 +760 5,760 30 183
nr Ferry, WA
Methow River 2,616 178 +350 3,300 30 167
nr Pateros, WA
Wenatchee River at 5,337 141 +280 4,900 30 124
Monitor, WA(1963-90)
American River 406 148 +319 320 30 120
nr Nile, WA
Palouse River 1,676 142 -31 834 30 132
at Hooper, WA
Walla Walla River 832 81 -39 523 30 92
nr Touchet, WA
Klickitat River 2,663 122 +9 2,050 30 107
nr Pitt, WA
East Fork Lewis River 716 83 -17 509 30 101
nr Heisson, WA
Cowlitz River 6,795 122 +96 4,770 30 109
nr Kosmos, WA
Snake River 7,562 119 +71 8,890 30 106
at Heise, ID
Bruneau River 603 75 +161 650 30 75
nr Hot Spring, ID
Boise River 2,884 140 +189 3,220 30 113
nr Twin Springs, ID
Snake River 25,750 92 +29 18,900 30 90
at Weiser, ID
Salmon River 15,380 136 +174 21,100 30 105
at White Bird, ID
Lochsa River 6,670 147 +245 7,300 30 111
nr Lowell, ID
Clearwater River 31,430 114 +78 36,900 30 104
at Spalding, ID
Yaak River 2,569 137 +353 2,710 30 122
nr Troy, MT
Blackfoot River 2,769 136 +287 3,570 30 108
nr Bonner, MT
Clark Fork 10,610 118 +188 12,700 30 92
at St. Regis, MT
MF Flathead River 4,218 136 +447 6,350 30 134
nr West Glacier, MT
Percent of Average computed using 30-year base period, Wtr Yrs 1961-90, except where noted.
05/03/00