1. Validation Plot for the ECMWF Nino3.4 Forecast

2. Validation Plot for 2008 Forecast (All Cool ENSO composite)
Modified Flow (cfs)

3. Potential Implications of ENSO Transition States
WY 2007
WY 2008

4. Historic Dalles Apr-Sept streamflow anomalies for water years with previous winter warm ENSO, current winter cool ENSO
1904
1.47
1907
1.00
1921
1925
0.49
1932
0.39
1943
0.88
1965
0.90
1971
1.55
1974
2.22
1984
0.58
1989
-0.40
1996
0.93
1999
0.89
Stats:
12 of 13 above 0.39
11 of 13 above 0.49
9 of 13 above 0.88

5. Validation Plot for 2008 Forecast (All Warm to Cool ENSO composite)
Modified Flow (cfs)