UPPER MISSOURI BASIN
JUNE PRECIPITATION RANGED FROM ABOVE TO BELOW AVERAGE ACROSS THE UPPER MISSOURI
BASIN. BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN INCLUDE:
MILK ST. MARY, 133 PERCENT; MILK CANADA, 137 PERCENT; LOWER MILK, 84
PERCENT; ABOVE TOSTON, 44 PERCENT; TOSTON TO FT. PECK, 77 PERCENT.
OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA: LIMA RESERVOIR
HAD 158 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 86 PERCENT OF
AVERAGE WATER, GIBSON RESERVOIR HAD 105 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 118 PERCENT OF AVERAGE STORED WATER.
THE MAJOR HYDROELECTRIC RESERVOIRS IN MONTANA (CANYON FERRY AND
FORT PECK) HAD MONTHEND STORAGE IN THE ABOVE AVERAGE RANGE; 100 AND
99 PERCENT OF AVERAGE WATER, RESPECTIVELY.
YELLOWSTONE BASIN
PRECIPITATION DURING THE MONTH OF JUNE WAS ABOUT 7 PERCENT OF
AVERAGE IN THE WIND RIVER BASIN ABOVE BOYSEN RESERVOIR, 37 PERCENT
OF AVERAGE IN THE UPPER YELLOWSTONE BASIN, 21 PERCENT OF AVERAGE
IN THE BIGHORN BASIN, AND 27 PERCENT OF AVERAGE IN THE LITTLE
BIGHORN BASINS-UPPER TONGUE BASINS, 35 PERCENT OF AVERAGE IN THE
POWDER RIVER BASIN, AND 35 PERCENT OF AVERAGE IN THE LOWER
YELLOWSTONE BASIN.
MONTH END STORAGE WAS 99 PERCENT OF AVERAGE AT BIGHORN RESERVOIR ON
THE WYOMING/MONTANA BORDER. MONTHEND STORAGE WAS NOT REPORTED AT
BOYSEN RESERVOIR OR AT BUFFALO BILL RESERVOIR IN WYOMING.
PLATTE BASIN
