Cumulative Steelhead Counts
Bonneville Dam Run counted 3/15-11/15; Lower Granite Run counted 6/1-12/15 and 3/1-5/31
| BONNEVILLE DAM
| |
LOWER GRANITE DAM |
| Year |
A's² |
B's² |
Total |
|
Year |
Fall |
Spring |
Total |
| 2006² |
257,590 |
75,206 |
322,796 |
|
2006-07ª |
138,400 |
10,581 |
148,981 |
| 2005¹ |
- |
- |
314,681 |
|
2005-06 |
150,920 |
7,591 |
158,511 |
| 2004 |
267,408 |
42,293 |
309,701 |
|
2004-05 |
146,771 |
4,863 |
151,634 |
| 2003 |
311,685 |
47,429 |
359,114 |
|
2003-04 |
164,869 |
7,618 |
172,487 |
| 2002 |
323,468 |
156,841 |
480,309 |
|
2002-03³ |
219,012 |
15,803 |
234,815 |
| 2001 |
543,181 |
88,908 |
632,089 |
|
2001-02 |
256,659 |
12,471 |
269,130 |
| 2000 |
232,264
|
42,184
|
274,448
|
|
2000-01
|
109,514
|
5,764
|
115,278
|
|
1999
|
183,766
|
22,391
|
206,157
|
|
1999-00
|
71,332
|
2,447
|
73,779
|
|
1998
|
139,669
|
44,886
|
184,555
|
|
1998-99
|
67,683
|
3,038
|
70,721
|
|
1997
|
220,362
|
37,102
|
257,464
|
|
1997-98
|
82,283
|
4,313
|
86,596
|
|
1996
|
182,155
|
22,092
|
204,247
|
|
1996-97
|
83,264
|
3,634 |
86,898
|
| 1995 |
189,486 |
12,629 |
202,115 |
|
1995-96 |
76,265 |
2,863 |
79,128 |
|
1994
|
130,346
|
30,479
|
160,825
|
|
1994-95
|
42,791
|
4,543
|
47,334
|
|
1993
|
147,972 |
37,485
|
185,457
|
|
1993-94
|
54,985
|
4,722
|
59,707 |
|
1992
|
251,059 |
62,816
|
313,875
|
|
1992-93
|
116,553
|
11,714
|
128,267 |
¹ No estimates for 2005 A and B counts at Bonneville Dam, as there was no sampling at the dam until August, 2005, when 55% of the run had already passed the dam.
² Bonneville A and B counts made using Fork Length Separation Method and adjusted for overlap.
³ Includes night video counts at Lower Granite Dam during Fall of 2002.
ª 2005-06 counts at Lower Granite Dam are preliminary and subject to change when final numbers are received from Army Corp of Engineers.