| Show I Upper Colorado Runoff Estimated At The Bureau of Re Reclamation l mation forecasts feet acre of runoff from the Upper Colorado River Basin during the snow snow- melt months of April through 1966 to estimates estl- estl mates released this week This Jan 1 estimate is only an Indication indication indi- indi cation since it is based on measured precipitation for October October Oc- Oc tober November and December December Decem- Decem ber and the assumption that normal precipitation will be received reI re- re I the coming seven months of January through July The first three months of measured precipitation is nearly 25 percent per percent cent above average THE FORECAST runoff of feet acre compares with feet acre of measured runoff in April through July 1965 and the longtime long long- time average runoff of feet acre for those months About two thirds of the total annual runoff from the Upper Colorado River Basin occurs in the heavy runoff months of April through July I Since precipitation amounts and weather conditions may vary considerable from average in the next seven months the Bureau of Reclamation sa said i d dI there is one chance out of two I that the actual April through July runoff in 1966 would be II between and acre feet EXCEPT FOR water stored in Flaming Gorge Navajo and Blue Mesa Reservoirs the 9 foot acre runoff would be the estimated inflow to Lake Powell Glen Canyon Reservoir Reservoir Reser- Reser voir located just ups upstream t rea m from Lees Ferry Ariz on the boundary between the Upper and Lower Colorado River Basins |
