Table 1. Estimates of upstream adult survival (conversion) rates for Spring Chinook for the Lower Columbia and Snake River Reaches.
YearBON-MCNMCN PoolIHR-LGRTotal BON- LGR
790.510.860.830.37
800.421.010.690.29
810.611.130.880.61
820.491.000.880.43
830.750.840.810.50
840.661.010.830.55
850.851.090.820.76
860.810.970.840.66
870.850.930.940.74
880.791.040.890.73
890.631.000.820.51
900.790.890.880.62
910.661.050.690.48
920.851.030.870.76
930.811.130.870.80
940.771.040.910.73
Averages
1979-940.701.000.840.60
1990-940.771.060.830.69