SUMMARY OF COLUMBIA RIVER FLOOD CONTROL DATA       1 MAY 1998

                      MCDB   ARDB    LIB   DCDB    HGH    GCL    BRN    DWR
 PROJECT LIMITS
  Maximum El. MSL    2475.0 1444.0 2459.0 1892.0 3560.0 1290.0 2077.0 1600.0
  Minimum El. MSL    2320.0 1378.0 2287.0 1794.2 3336.0 1208.0 1976.0 1445.0
  Usable stor.KAF   12053.3 7100.0 4979.5 1398.6 2982.0 5185.5  975.4 2015.8
  Usable stor.KSFD   6076.9 3579.6 2510.5  705.0 1503.4 2614.4  491.7 1016.4
 CURRENT, 30 APR.
  Elevation MSL      2387.8 1397.4 2399.1 1801.5 3519.1 1276.7 2073.2 1561.7
  Draft KAF          7959.2 5353.0 2411.5 1335.0  887.8 1043.1   54.0  648.9
    LOOKBACK
 AT 30 APR F.C.
  Feet               2387.8    0.0    0.0    0.0    0.0    0.0    0.0    0.0
  Kaf                   0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0
  Ksfd                  0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0
 FORECASTS, KAF
  May-Jul mp           1448   2939   4103   1398   1174    na    2200   1110
  May-Jul  %           16.8%  16.5%  77.4%  88.3%  66.1%   na    54.6%  54.5%
  Apr-Jul mp            na     na     na     na     na     na    4540   1621
  Apr-Jul  %            na     na     na     na     na     na    78.4%  60.0%
  Apr-Jul change        na     na     na     na     na     na    -240    -12
  Apr-Aug mp          10074  19525   5056   1860    na   49900    na     na
  Apr-Aug  %           87.6%  83.9%  79.3%  90.6%   na      82%   na     na
  Apr-Aug change       -276  -1622   -133    -99    na   -2600    na     na
  May-Sep mp            na     na     na     na    1262    na     na     na
  May-Sep  %            na     na     na     na    66.1%   na     na     na
  May-Sep change        na     na     na     na     -78    na     na     na
 FLOOD CONTROL      LOOKBACK
  Drafts, KAF
   Apr 30              1620   3996   1923   1130    671    609     50     73
  Elevations MSL
   Apr 30             na    1410.5 2413.1 1819.4 3529.8 1282.4 2073.5 1596.1
=======================================================================================
 AT THE DALLES                                    Peak to volume unreg,
   Apr-Aug mp         75400   80.9%  storage               440 KCFS
   Apr-Aug change     -1800         correction    Initial controlled flow-
   May-Aug mp         61800         19605  KAF     (ICF)   254  KCFS
=======================================================================================

Questions? Russ Morrow, 503-808-3951 or Bruce Glabau, 503-808-3950