U.S. Dept Commerce/NOAA/NMFS/NWFSC/Publications
NOAA-NMFS-NWFSC TM-32: Chum Status Review

Table 1. Physical characteristics of selected rivers draining the Olympic Peninsula, Washington.



Watershed Size of drainage (km2) River length (km) Linear stream length (km) Avg.flow (m3) Avg. summer flow (m3) Avg. winter flow (m3) Extreme flows (m3)
              Max Min

Rivers draining south into the Chehalis River and Grays Harbor
Humptulips 635 98 515 42 7.08 113.24 934.23 2.32
Hoquiam 233 28 211 10 3.54 14.16 na 0.17
Wishkah 264 60 237 14 0.99 28.31 209.49 0.65
Wynochee 505 102 401 35 4.25 70.78 693.60 0.65
Satsop 774 46 568 58 8.49 118.90 1319.25 4.70
Cloquallium 168 33 191 11 0.99 16.99 103.33 1.70
Chehalis 6,734 204 5,395 198 24.06 481.27 1514.59 17.55
                 
Rivers Draining east into Hood Canal
         
Skokomish 622 67 547 34 7.08 65.11 764.37 3.54
Hamma Hamma 220 29 177 10 2.83 14.86 36.24 1.70
Duckabush 174 39 191 12 4.25 16.99 253.66 1.27
Dosewalips 243 46 274 13 5.66 15.00 36.80 3.68
                 
Rivers draining north into the Strait of Juan de Fuca
Dungeness 513 51 410 11 5.10 11.61 193.07 1.84
Elwha 831 72 785 43 17.55 53.79 1,177.70 9.77
Hoko 132 40 169 12 1.13 26.05 399.17 0.34
                 
Rivers draining west into the Pacific Ocean
Ozette 228 21 135 14 1.42 33.97 368.03 1.42
Quillayute 1,629 113 1,208 126 28.31 342.27 2,881.96 7.67
Dickey 223 28 182 15 1.42 39.63 489.76 0.25
Soleduck 567 105 418 37 12.74 104.75 588.85 4.39
Calawal 334 50 315 30 3.40 76.44 639.81 0.42
Bogachiel 288 75 209 30 3.96 81.82 673.78 2.35
Hoh 774 90 502 62 30.01 90.59 1460.80 11.21
Queets 1,166 83 870 121 28.73 226.48 3,691.62 10.42
Raft 241 29 177 16 4.25 28.31 481.27 0.28
Quinault 1,124 111 899 105 30.57 178.35 2270.46 9.06
 
 

Watershed Size of drainage (km2) River length (km) Linear stream length (km) Avg.flow (m3) Avg. summer flow (m3) Avg. winter flow (m3) Extreme flows (m3)
              Max Min

Moclips 101 20 58 6 1.13 14.16 120.60 0.28
Copalis 106 34 80 7 na na na na


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