Missouri Basin, Pleasant Hill
River Forecast Center
UPPER MISSOURI BASIN
JULY PRECIPITATION WAS ABOVE AVERAGE ACROSS THE UPPER MISSOURI
BASIN. BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN INCLUDE:
MILK ST. MARY, 139 PERCENT; MILK CANADA, 159 PERCENT; LOWER MILK, 149
PERCENT; ABOVE TOSTON, 87 PERCENT; TOSTON TO FT. PECK, 131 PERCENT.
OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA: LIMA RESERVOIR
HAD 86 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 75 PERCENT OF
AVERAGE WATER, GIBSON RESERVOIR HAD 63 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 127 PERCENT OF AVERAGE STORED WATER.
THE MAJOR HYDROELECTRIC RESERVOIRS IN MONTANA (CANYON FERRY AND
FORT PECK) HAD MONTHEND STORAGE IN THE ABOVE AVERAGE RANGE; 98 AND
110 PERCENT OF AVERAGE WATER, RESPECTIVELY.
YELLOWSTONE BASIN
PRECIPITATION DURING THE MONTH OF JULY WAS ABOUT 25 PERCENT OF
AVERAGE IN THE WIND RIVER BASIN ABOVE BOYSEN RESERVOIR, 107 PERCENT
OF AVERAGE IN THE UPPER YELLOWSTONE BASIN, 51 PERCENT OF AVERAGE
IN THE BIGHORN BASIN, AND 45 PERCENT OF AVERAGE IN THE LITTLE
BIGHORN BASINS-UPPER TONGUE BASINS, 70 PERCENT OF AVERAGE IN THE
POWDER RIVER BASIN, AND 119 PERCENT OF AVERAGE IN THE LOWER
YELLOWSTONE BASIN.
MONTHEND STORAGE WAS 94 PERCENT OF AVERAGE AT BIGHORN RESERVOIR ON
THE WYOMING/MONTANA BORDER.
PLATTE BASIN
PRECIPITATION DURING JULY IN THE PLATTE BASIN WAS NEAR
AVERAGE. JULY PRECIPITATION IN THE NORTH PLATTE BASIN
ABOVE SEMINOE RESERVOIR WAS 37 PERCENT OF AVERAGE. IN THE
NORTH PLATTE BASIN BETWEEN SEMINOE RESERVOIR AND GUERNSY
RESERVOIR PRECIPITATION WAS 33 PERCENT OF AVERAGE. THE NORTH
PLATTE BASIN BELOW GUERNSY RESERVOIR HAD 46 PERCENT OF AVERAGE
PRECIPITATION. THE HIGH ELEVATIONS OF THE SOUTH PLATTE BASIN HAD
56 PERCENT OF AVERAGE JULY PRECIPITATION WHEREAS THE PLAINS
HAD 88 PERCENT OF AVERAGE PRECIPITATION.
STORED WATER IN THE SOUTH PLATTE BASIN STORED WATER WAS 115 PERCENT
OF AVERAGE.
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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