Missouri Basin, Pleasant Hill
River Forecast Center
Upper Missouri Basin
August precipitation across the Upper Missouri Basin ranged from below to above average. Basin precipitation summaries for the Missouri Basin include: Milk St. Mary, 53 percent; Milk Canada, 78 percent; Lower Milk, 167 percent; above Toston, 131 percent; Toston to Ft. Peck, 115 percent.
Of the four major irrigation reservoirs in Montana; Lima Reservoir had 79 percent average storage, Clark Canyon was holding 74 percent of average water, Gibson Reservoir had 53 percent of average stored water, and Fresno Reservoir had 78 percent of average stored water.
Yellowstone Basin
Precipitation during August ranged from below to above average. The upper Yellowstone River Basin received 72 percent of average precipitation while the Lower Yellowstone River Basin reported 113 percent of average. The Bighorn Basin received 52 percent of average precipitation while the Wind River Basin received 120 percent of average. The Little Bighorn - Upper Tongue Basin received 121 percent of average and the Powder River had 108 percent of average precipitation.
Monthend storage at Boysen Reservoir was 80 percent of average. Stored water in Buffalo Bill Reservoir was 79 percent of average. Monthend storage was 90 percent of average at Bighorn Reservoir.
Platte Basin
Precipitation during August in the Upper North Platte Basin was 76 percent of average. In the Lower North Platte Basin, precipitation was 108 percent of average. The North Platte Plains below Guernsy Reservoir had 84 percent. The South Platte Mountains had 97 percent whereas the Plains had 131 percent of average August precipitation.
Stored water in the South Platte Basin was 112 percent of average on September 1.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Missouri Basin, Pleasant Hill
1803 North 7 Highway
Pleasant Hill, MO 64080-9421
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