Water Supply Statement for the Missouri River Basin issued for November 2016

Missouri Basin River Forecast Center
Water Supply Statement
Issued in cooperation with the Natural
Resources Conservation Service
Issued:  December 19, 2016

UPPER MISSOURI BASIN

NOVEMBER PRECIPITATION WAS BELOW AVERAGE ACROSS THE UPPER MISSOURI
BASIN.  BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN INCLUDE:
MILK ST. MARY, 62 PERCENT; MILK CANADA, 39 PERCENT; LOWER MILK, 49
PERCENT; ABOVE TOSTON, 54 PERCENT; TOSTON TO FT. PECK, 28 PERCENT.

OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA:  LIMA RESERVOIR
HAD 121 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 69 PERCENT OF
AVERAGE WATER, GIBSON RESERVOIR HAD 70 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 138 PERCENT OF AVERAGE STORED WATER.
THE  MAJOR  HYDROELECTRIC  RESERVOIRS  IN  MONTANA (CANYON  FERRY AND
FORT PECK) HAD MONTHEND STORAGE IN THE ABOVE AVERAGE RANGE; 93 AND
114 PERCENT OF AVERAGE WATER, RESPECTIVELY.

YELLOWSTONE BASIN

PRECIPITATION DURING THE MONTH OF NOVEMBER WAS ABOUT 104 PERCENT OF
AVERAGE IN THE WIND RIVER BASIN ABOVE BOYSEN RESERVOIR, 68 PERCENT
OF AVERAGE IN THE UPPER YELLOWSTONE BASIN, 115 PERCENT OF AVERAGE
IN THE BIGHORN BASIN, AND 92 PERCENT OF AVERAGE IN THE LITTLE
BIGHORN BASINS-UPPER TONGUE BASINS, 56 PERCENT OF AVERAGE IN THE
POWDER RIVER BASIN, AND 37 PERCENT OF AVERAGE IN THE LOWER
YELLOWSTONE BASIN.

MONTHEND STORAGE WAS 105 PERCENT OF AVERAGE AT BIGHORN RESERVOIR ON
THE WYOMING/MONTANA BORDER.
 

PLATTE BASIN

PRECIPITATION DURING NOVEMBER IN THE PLATTE BASIN WAS BELOW
AVERAGE. NOVEMBER PRECIPITATION IN THE NORTH PLATTE BASIN
ABOVE SEMINOE RESERVOIR WAS 75 PERCENT OF AVERAGE. IN THE
NORTH PLATTE BASIN BETWEEN SEMINOE RESERVOIR AND GUERNSY
RESERVOIR PRECIPITATION WAS 82 PERCENT OF AVERAGE. THE NORTH
PLATTE BASIN BELOW GUERNSY RESERVOIR HAD 84 PERCENT OF AVERAGE
PRECIPITATION. THE HIGH ELEVATIONS OF THE SOUTH PLATTE BASIN HAD
49 PERCENT OF AVERAGE NOVEMBER PRECIPITATION WHEREAS THE PLAINS
HAD 70 PERCENT OF AVERAGE PRECIPITATION.

STORED WATER IN THE SOUTH PLATTE BASIN STORED WATER WAS 102 PERCENT
OF AVERAGE.

PRECIPITATION MAPS

November 2016	WY 2017
November 2016 Precipitation Percent of 1981-2010 Average	WY2017 Precipitation as Percent of 1981-2010 Average
November 2016 Basin Mean Precipitation	WY2017 Basin Mean Precipitation
November 2016 MBRFC Basin Mean Precipitation	WY2017 MBRFC Basin Mean Precipitation