Green River Basin



Observed runoff varied from below to much above normal over the Green River Basin for the April through July 1999 season. Seasonal precipitation in the Basin averaged near normal through March of water year 1999. However above to much above normal precipitation in April and May of 1999 brought the seasonal precipitation to above normal by the end of May. Precipitation in June and July averaged near to above normal over the Basin.

The seasonal snowpack averaged below normal on February 1, 1999. After some fluctuation between near and below normal snow water equivalents during March and April, the snowpack rebounded to above normal during May over much of the area. Isolated areas remaining below normal.