┬áThe Dalles water supply forecast has continued to increase, reaching the highest level so far this season and 24% higher year on year on increased precipitation, according to Northwest River Forecast Center data. Receive daily email alerts, subscriber notes & personalize your experience. Register Now The Dalles water supply forecast is currently at 106% of normal for the April-September season, 16 percentage points higher than a year ago, according to NRFC data, indicating a stronger forecast for hydro conditions during runoff season year on year. The forecast reached a high of nearly 109% on February 11. The forecast has averaged 106% month to date, up from an average of nearly 100% in January, the January 2019 average of 90% and the February 2019 average of 89%, according to NRFC data. Overall, January had above-normal precipitation for most river basins. Portland has received nearly 6 inches of precipitation […]