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Hydrologic Data Program

Columbia River Water Management Report

                   US GEOLOGICAL SURVEY, OREGON WATER SCIENCE CENTER

                        COMPARATIVE FLOW TABLE FOR MARCH 2007     

                          -------------------   Change  -------------------  ------------
                              Monthly mean     in dis-     Discharge near    Accumulated
                                discharge       charge      end of month        Runoff
                          -------------------    from   -------------------  ------------
                            Cubic     Percent  previous    Cubic                Oct-Mar
                          feet per      of      month    feet per             Percent of
  Station                  second     average (percent)   second      Date      Average
-----------------------------------------------------------------------------------------
Donner Und Blitzen            112        60      +87        111        31         69
 nr Frenchglen, OR

Williamson River            1,747        89      +76      1,610        31         79
 nr Chiloquin, OR

Imnaha River                  480        95     +103        537        31         94
 at Imnaha, OR

Umatilla River                484       111      +12        483        31        113
 nr Gibbon, OR

John Day River              4,303        92     +101      3,670        31         81
 at Service Creek, OR

Columbia River            200,500        97      +39    286,000        31         91
 at The Dalles, OR

Willamette River           30,560       101      +18     19,700        31        106
 at Salem, OR

Wilson River                2,380       137      +20      1,160        31        132
 nr Tillamook, OR

Umpqua River               13,620       110      +12      8,890        31        102
 nr Elkton, OR

Rogue River                10,150       105      +36      5,840        31         98
 nr Agness,OR

Naselle River                 971       154      +34        430        31        118
 nr Naselle, WA

Chehalis River              5,920       128      +51      3,340        31        125        
 nr Grand Mound, WA

Queets River nr            10,150       185      +65      3,720        31        124
 Clearwater, WA(1974-2000)

Dungeness River               412       120      +51        353        31        114 
 nr Sequim, WA

Skykomish River             8,969       255     +122      5,100        31        131
 nr Gold Bar, WA

Nooksack River at           8,642       225     +109      5,310        31        128      
 Ferndale, WA

Kettle River                  618       108     +286      1,550        31         67
 nr Ferry, WA

Methow River                1,670       266     +182      2,910        31        169
 nr Pateros, WA

Wenatchee River at          5,922       235     +213      6,260        31        148
 Monitor, WA

American River                472       258     +226        425        31        166
 nr Nile, WA

Palouse River               1,450        83       -8      1,200        31         88
 at Hooper, WA

Walla Walla River           1,432       111      +34      1,580        31         97
 nr Touchet, WA

Klickitat River             2,906       117      +66      2,600        31        113
 nr Pitt, WA

East Fork Lewis River       1,433       133      +22        879        31        107
 nr Heisson, WA

Cowlitz River               9,134       176      +77      6,830        31        132
 nr Kosmos,

Snake River                 1,667        33       +6      1,720        31         64
 nr Heise, ID  

Bruneau River                 273        58      +76        330        31         67
 nr Hot Spring, ID

Boise River                 1,357       126     +160      1,600        31        106
 nr Twin Springs, ID
 
Snake River                13,400        50       +6     11,700        31         63 
at Weiser, ID

Salmon River                7,582       118      +77      9,390        31        101
 at White Bird, IDx

Lochsa River                3,174       150     +162      3,650        31        120
 nr Lowell, ID 

Clearwater River           16,800        96      +85     24,300        31         86
 at Spalding, ID

Yaak River                  2,015       297     +649      2,540        31        154
 nr Troy, MT

Blackfoot River             1,531       174     +127      2,200        31        127 
 nr Bonner, MT

Clark Fork                  7,153       151     +126      9,280        31        114
 at St. Regis, MT

MF Flathead River           3,282       324     +481      4,450        31        165
 nr West Glacier, MT

Percent of average computed using 30-year base period, wtr yrs 1971-2000 except where noted.

http://oregon.usgs.gov/data_dir/wmr_dir/wmr_docs.html

                                                                             04/02/07