US GEOLOGICAL SURVEY, WATER RESOURCES DIVISION
Oregon District
COMPARATIVE FLOW TABLE FOR APRIL 2002
------------------- Change ------------------- ------------
Monthly mean in dis- Discharge near Accumulated
discharge charge end of month Runoff
------------------- from ------------------- ------------
Cubic Percent previous Cubic Oct-Apr
feet per of month feet per Percent of
Station second average (percent) second Date Average
-----------------------------------------------------------------------------------------
Donner Und Blitzen 248 112 +192 213 30 79
nr Frenchglen, OR
Williamson River 1,497 74 +23 1,230 30 74
nr Chiloquin, OR
Imnaha River 957 106 +325 1,080 30 75
at Imnaha, OR
Umatilla River 755 150 +105 585 30 99
nr Gibbon, OR
John Day River 5,493 110 +173 3,350 30 71
at Service Creek, OR
Columbia River 218,600 106 +74 236,000 30 85
at The Dalles, OR
Willamette River 30,000 131 +6 15,500 30 96
at Salem, OR
Wilson River 1,541 146 -20 593 30 126
nr Tillamook, OR
Umpqua River 8,247 93 -15 4,770 30 91
nr Elkton, OR
Rogue River 4,519 64 -9 3,330 30 66
nr Agness, OR
Naselle River 471 125 -12 178 30 117
nr Naselle, WA
Chehalis River 3,530 125 -32 1,660 30 131
nr Grand Mound, WA
Queets River nr 6,051 148 +40 2,380 30 125
Clearwater, WA(1974-90)
Dungeness River 426 138 +43 366 30 140
nr Sequim, WA
Skykomish River 6,833 162 +119 5,460 30 131
nr Gold Bar, WA
Nooksack River at 5,134 139 +60 3,410 30 118
Ferndale, WA(1967-90)
Kettle River 2,382 108 +823 3,500 30 100
nr Ferry, WA
Methow River 1,296 88 +227 1,660 30 75
nr Pateros, WA
Wenatchee River at 4,770 126 +136 5,070 30 109
Monitor, WA(1963-90)
American River 387 141 +212 346 30 119
nr Nile, WA
Palouse River 2,040 173 -12 997 30 82
at Hooper, WA
Walla Walla River 1,323 129 +4 672 30 94
nr Touchet, WA
Klickitat River 2,614 120 +29 2,160 30 92
nr Pitt, WA
East Fork Lewis River 1,141 132 -5 544 30 109
nr Heisson, WA
Cowlitz River 7,607 137 +86 5,270 30 106
nr Kosmos, WA
Snake River 1,659 26 +16 2,020 30 45
at Heise, ID
Bruneau River 702 87 +256 562 30 65
nr Hot Spring, ID
Boise River 2,414 118 +280 2,300 30 92
nr Twin Springs, ID
Snake River 15,760 56 +19 11,700 30 58
at Weiser, ID
Salmon River 12,350 109 +199 13,200 30 83
at White Bird, ID
Lochsa River 5,090 112 +309 5,660 30 86
nr Lowell, ID
Clearwater River 34,460 125 +171 31,600 30 96
at Spalding, ID
Yaak River 2,707 145 +428 2,500 30 123
nr Troy, MT
Blackfoot River 1,978 97 +289 2,100 30 84
nr Bonner, MT
Clark Fork 8,679 97 +205 8,170 30 75
at St. Regis, MT
MF Flathead River 3,007 97 +163 2,950 30 89
nr West Glacier, MT
Percent of Average computed using 30-year base period, Wtr Yrs 1961-90, except where noted.
http://oregon.usgs.gov/data_dir/wmr_dir/wmr_docs.html
05/01/02