Table 1.  Columbia River mainstem spawning ground surveys, 2002-2003.
Below Bonneville Dam  
Fall Chinook                        
Bonneville Dam Bonneville Dam
Date Redds Live Dead   Sampled     Cwt recoveries CWT recoveries CWT recoveries   tailwater (ft.)* discharge (kcfs)*
10/8/2002 7 10 11 11 1 9.0 80.3
10/11/2002 8 11 2 0 2 0 0 0 0 0 11.1 119.1
10/15/2002 6 4 2 2 0 10.3 116.4
10/18/2002 6 6 1 1 0 9.4 100.1
10/22/2002 10 16 2 2 0 9.3 98.8
10/25/2002 12 26 5 5 0 10.8 120.8
10/30/2002 6 0 0 0 0 10.3 122.3
11/1/2002 8 37 0 0 0 10.6 126.0
11/5/2002 31 134 16 16 0 10.8 117.6
11/8/2002 50 167 12 12 0 11.3 108.9
11/12/2002 145 365 76 74 0 11.2 125.3
11/15/2002 214 515 125 24 0 11.4 131.6
11/19/2002 170 264 222 39 8 11.5 122.2
11/22/2002 211 249 214 42 3 11.5 122.2
11/26/2002 137 201 190 38 0 11.4 132.8
12/3/2002 61 60 168 16 2 11.5 124.5
12/6/2002 37 8 70 18 0 11.5 125.4
12/10/2002 0 0 73 21 0 11.7 127.7
12/13/2002 0 0 24 12 0 11.6 126.1
12/17/2002 0 0 27 21 0 11.5 101.7
12/20/2002 0 0 10 8 0 11.7 110.1
12/23/2002 0 0 0 0 0 11.6 119.6
12/30/2002 0 0 0 0 0 11.5 115.3
1/13/2003 0 0 0   0         0   11.5 121.2
2,073 1,250 364 14
Below Bonneville Dam
Chum                        
Bonneville Dam Bonneville Dam
Date Redds Live Dead   Sampled     Cwt recoveries CWT recoveries tailwater (ft.)*   discharge (kcfs)*
11/5/2002 4 5 0 0 10.8 117.6
11/8/2002 9 60 2 2 11.3 108.9
11/12/2002 36 183 4 4 11.2 125.3
11/15/2002 128 296 7 7 11.4 131.6
11/19/2002 210 449 51 48 11.5 122.2
11/22/2002 322 847 105 21 11.5 122.2
11/26/2002 540 1,157 80 16 11.4 132.8
12/3/2002 488 863 480 48 11.5 124.5
12/6/2002 776 1,015 144 32 11.6 125.4
12/10/2002 578 844 700 70 11.7 127.7
12/13/2002 288 639 555 54 11.5 126.1
12/17/2002 139 182 337 33 11.5 101.7
12/20/2002 56 113 104 9 11.7 110.1
12/23/2002 19 37 74 37 11.6 119.6
12/30/2002 0 4 104 52 11.5 115.3
1/13/2003 0 0 78   39         11.5   121.2
6,694 2,825 0 472 0 0 0 0
Below Bonneville Dam
Coho                  
Date Redds Live Dead   Sampled     Cwt recoveries CWT recoveries
10/8/2002 0 22 0 0
10/11/2002 0 3 0 0
10/15/2002 0 0 1 0 1 0 0 0 0
10/18/2002 0 2 5 5
10/22/2002 0 24 4 4
10/25/2002 0 18 5 5
10/30/2002 2 3 0 0
11/1/2002 4 11 0 0
11/5/2002 7 33 3 3
11/8/2002 0 14 1 1
11/12/2002 14 40 15 15
11/15/2002 20 61 10 10
11/19/2002 6 12 54 54
11/22/2002 9 24 26 26
11/26/2002 1 3 25 25
12/3/2002 1 8 12 12
12/6/2002 3 4 9 9
12/10/2002 0 0 7 7
12/13/2002 0 0 12 12        
1/13/2003 0 0 0   0
282 189 0 189
*  Daily readings taken at 12:00 pm.