Oregon Production Index (Hatchery)
| adult_yr |
smolt_yr |
smolts(millions) |
OPIH(thousands) |
survival |
| 1961 |
1960 |
7.4 |
338.1 |
0.0457 |
| 1962 |
1961 |
16.6 |
468.2 |
0.0282 |
| 1963 |
1962 |
17.4 |
988.8 |
0.0568 |
| 1964 |
1963 |
25.6 |
1158.7 |
0.0453 |
| 1965 |
1964 |
20.8 |
1622.2 |
0.078 |
| 1966 |
1965 |
23.8 |
1780.1 |
0.0748 |
| 1967 |
1966 |
27.4 |
2563.6 |
0.0936 |
| 1968 |
1967 |
27.8 |
1855.2 |
0.0667 |
| 1969 |
1968 |
24.3 |
1439.6 |
0.0592 |
| 1970 |
1969 |
32.4 |
2503.5 |
0.0773 |
| 1971 |
1970 |
28.8 |
2679.1 |
0.093 |
| 1972 |
1971 |
33.3 |
1578.3 |
0.0474 |
| 1973 |
1972 |
35.3 |
1498.8 |
0.0425 |
| 1974 |
1973 |
33.6 |
2676.9 |
0.0797 |
| 1975 |
1974 |
32.6 |
1314.6 |
0.0403 |
| 1976 |
1975 |
34 |
3149.2 |
0.0926 |
| 1977 |
1976 |
33.5 |
759.6 |
0.0227 |
| 1978 |
1977 |
35.5 |
1617.7 |
0.0456 |
| 1979 |
1978 |
37.1 |
1160.8 |
0.0313 |
| 1980 |
1979 |
34.2 |
1065.2 |
0.0311 |
| 1981 |
1980 |
32.3 |
938.6 |
0.0291 |
| 1982 |
1981 |
37.3 |
1196.1 |
0.0321 |
| 1983 |
1982 |
32.7 |
504.5 |
0.0154 |
| 1984 |
1983 |
30.9 |
646.1 |
0.0209 |
| 1985 |
1984 |
34.5 |
657.4 |
0.0191 |
| 1986 |
1985 |
32.8 |
2381.7 |
0.0726 |
| 1987 |
1986 |
39.5 |
817.1 |
0.0207 |
| 1988 |
1987 |
35 |
1556.4 |
0.0445 |
| 1989 |
1988 |
36 |
1620 |
0.045 |
| 1990 |
1989 |
36.1 |
594.2 |
0.0165 |
| 1991 |
1990 |
37.2 |
1802.9 |
0.0485 |
| 1992 |
1991 |
42.1 |
472.8 |
0.0112 |
| 1993 |
1992 |
39.7 |
222.8 |
0.0056 |
| 1994 |
1993 |
39.5 |
202.7 |
0.0051 |
| 1995 |
1994 |
32.3 |
134.8 |
0.0042 |
| 1996 |
1995 |
29.5 |
174.3 |
0.0059 |
Last Updated on 8/29/97
By Steven Hare
Email: hare@iphc.washington.edu