Missouri Basin, Pleasant Hill
River Forecast Center
Upper Missouri Basin
August precipitation across the Upper Missouri Basin was above average. Basin precipitation summaries for the Missouri Basin include: Milk St. Mary, 126 percent; Milk Canada, 113 percent; Lower Milk, 86 percent; above Toston, 124 percent; Toston to Ft. Peck, 98 percent.
Of the four major irrigation reservoirs in Montana; Lima Reservoir had 73 percent average storage, Clark Canyon was holding 63 percent of average water, Gibson Reservoir had 56 percent of average stored water, and Fresno Reservoir had 107 percent of average stored water.
Yellowstone Basin
Precipitation during August ranged from below to above average. The upper Yellowstone River Basin received 136 percent of average precipitation while the Lower Yellowstone River Basin reported 88 percent of average. The Bighorn Basin received 108 percent of average precipitation while the Wind River Basin received 131 percent of average. The Little Bighorn - Upper Tongue Basin received 62 percent of average and the Powder River had 77 percent of average precipitation.
Monthend storage at Boysen Reservoir was 85 percent of average. Stored water in Buffalo Bill Reservoir was 97 percent of average. Monthend storage was 89 percent of average at Bighorn Reservoir.
Platte Basin
Precipitation during August in the Upper North Platte Basin was 102 percent of average. In the Lower North Platte Basin, precipitation was 130 percent of average. The North Platte Plains below Guernsy Reservoir had 107 percent. The South Platte Mountains had 73 percent whereas the Plains had 121 percent of average August precipitation.
Stored water in the South Platte Basin was 73 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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