The May forecasts indicate that the spring snowmelt runoff will be below average. Total April through June runoff in the North Platte River Basin above Glendo Dam is expected to be 605,000 acre-feet (AF) which is 68 percent of the 30-year average.
As of April 30, 2018, storage content in the North Platte Reservoirs amounts to 2,246,670 AF, which is 128 percent of the 30-year average. Current releases are 2,700 cubic feet per second (cfs) from Seminoe Reservoir through the Miracle Mile, 2,000 cfs out of Gray Reef, and 1,00 cfs out of Guernsey Reservoir. Based on the current projections for the months of May, June and July, the releases out of Seminoe Reservoir are not expected to exceed 3,000 cfs, while flows out of Gray Reef are expected to be in the range of approximately 2,500 to 3,000 cfs. Releases from Guernsey will be in the 3,500 to 5,300 cfs range. Pathfinder Reservoir is not expected to spill this spring.