Fall Chinook and Chum Below Bonneville Dam Seining Summary, 2003
                     
CHINOOK (mm)  
  mean len. mean len. Ad clip CHUM (mm)
Date total # <50 <50  #51 - 100 #100 +   < 100 # len. # mean len.
24-Jan 74 73 - 0 1 45.3 0 - 0 -
31-Jan 17 17 - 0 0 47.1 0 - 2 35.0
4-Feb 36 28 - 8 0 47.4 0 - 0 -
6-Feb 63 38 - 25 0 48.0 0 - 0 -
14-Feb 67 43 41 24 0 44.5 0 - 1 38.0
18 Feb 38 11 43 26 1 55.5 0 - 2 39.0
21-Feb 11 3 41 8 0 54.4 0 - 1 41.0
25-Feb 61 52 40 9 0 42.1 0 - 3 41.0
28-Feb 144 115 42 28 1 44.5 0 - 22 38.2
3-Mar 73 59 43 11 3 45.3 1 174 72 41.0
7-Mar 34 29 41 3 2 43 0 - 24 44
11-Mar 175 102 42 73 0 50 2 52.5 69 41
14-Mar 183 52 44 131 0 57 0 - 51 41
18-Mar 211 110 42 101 0 51 0 - 94 40
21-Mar 127 79 40 47 1 50 1 62 175 39.5
25-Mar 213 188 41 25 0 43 0 - 124 40.5
28-Mar 135 104 41 29 2 47 0 76 40
1-Apr 111 95 41 10 6 44 1 128 302 40
4-Apr 120 83 41 37 0 49 1 74 49 39.8
8-Apr 549 513 41 36 0 43 0 - 131 40
11-Apr 603 558 41 43 2 43 0 - 202 40
14-Apr 454 424 42 30 0 43 1 81 51 40.5
18-Apr 674 616 43.6 58 0 46 0 39 41
22-Apr 860 743 43 106 11 46 7 126 15 40
24-Apr 547 501 43 44 2 45 na - 58 41.5
28-Apr 342 282 43.0 60 3 46.7 na - 2 38.5
2-May 366 306 44.3 60 1 47 na - 5 42.4
6-May 261 195 43.5 66 0 46 na - 3 45.6
9-May 536 438 43.3 98 0 46 na - 1 41
total 7085 5857 1196 36 1574