Missouri Basin, Pleasant Hill
River Forecast Center
Upper Missouri Basin
November precipitation across the Upper Missouri Basin ranged from below to above average. Basin precipitation summaries for the Missouri Basin include: Milk St. Mary, 76 percent; Milk Canada, 99 percent; Lower Milk, 149 percent; above Toston, 101 percent; Toston to Ft. Peck, 83 percent.
Of the four major irrigation reservoirs in Montana; Lima Reservoir had 105 percent average storage, Clark Canyon was holding 127 percent of average water, Gibson Reservoir had 28 percent of average stored water, and Fresno Reservoir had 31 percent of average stored water.
Yellowstone Basin
Precipitation during November was below average. The upper Yellowstone River Basin received 63 percent of average precipitation while the Lower Yellowstone River Basin reported 72 percent of average. The Bighorn Basin received 62 percent of average precipitation while the Wind River Basin received 53 percent of average. The Little Bighorn - Upper Tongue Basin received 76 percent of average and the Powder River had 45 percent of average precipitation.
Monthend storage at Boysen Reservoir was 86 percent of average. Stored water in Buffalo Bill Reservoir was 82 percent of average. Monthend storage was 93 percent of average at Bighorn Reservoir.
Platte Basin
Precipitation during November in the Upper North Platte Basin was 99 percent of average. In the Lower North Platte Basin, precipitation was 88 percent of average. The North Platte Plains below Guernsy Reservoir had 121 percent. The South Platte Mountains had 234 percent whereas the Plains had 281 percent of average November precipitation.
Stored water in the South Platte Basin was 111 percent of average on December 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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