NWS Missouri River Basin/Pleasant Hill, MO

Missouri Basin River Forecast Center
Water Supply Statement
Issued in cooperation with the Natural
Resources Conservation Service
Issued:  December 15, 2015

UPPER MISSOURI BASIN

NOVEMBER PRECIPITATION WAS MAINLY ABOVE AVERAGE ACROSS THE UPPER MISSOURI
BASIN.  BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN INCLUDE:
MILK ST. MARY, 119 PERCENT; MILK CANADA, 195 PERCENT; LOWER MILK, 140
PERCENT; ABOVE TOSTON, 152 PERCENT; TOSTON TO FT. PECK, 145 PERCENT.

OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA:  LIMA RESERVOIR
HAD 50 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 66 PERCENT OF
AVERAGE WATER, GIBSON RESERVOIR HAD 22 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 91 PERCENT OF AVERAGE STORED WATER.
THE  MAJOR  HYDROELECTRIC  RESERVOIRS  IN  MONTANA (CANYON  FERRY AND
FORT PECK) HAD MONTHEND STORAGE IN THE ABOVE AVERAGE RANGE; 90 AND
113 PERCENT OF AVERAGE WATER, RESPECTIVELY.

YELLOWSTONE BASIN

PRECIPITATION DURING THE MONTH OF NOVEMBER WAS ABOUT 138 PERCENT OF
AVERAGE IN THE WIND RIVER BASIN ABOVE BOYSEN RESERVOIR, 123 PERCENT
OF AVERAGE IN THE UPPER YELLOWSTONE BASIN, 127 PERCENT OF AVERAGE
IN THE BIGHORN BASIN, AND 59 PERCENT OF AVERAGE IN THE LITTLE
BIGHORN BASINS-UPPER TONGUE BASINS, 62 PERCENT OF AVERAGE IN THE
POWDER RIVER BASIN, AND 77 PERCENT OF AVERAGE IN THE LOWER
YELLOWSTONE BASIN.

MONTHEND STORAGE WAS 99 PERCENT OF AVERAGE AT BIGHORN RESERVOIR ON
THE WYOMING/MONTANA BORDER.  

PLATTE BASIN

PRECIPITATION DURING NOVEMBER IN THE PLATTE BASIN WAS ABOVE
AVERAGE. NOVEMBER PRECIPITATION IN THE NORTH PLATTE BASIN
ABOVE SEMINOE RESERVOIR WAS 88 PERCENT OF AVERAGE. IN THE
NORTH PLATTE BASIN BETWEEN SEMINOE RESERVOIR AND GUERNSY
RESERVOIR PRECIPITATION WAS 111 PERCENT OF AVERAGE. THE NORTH
PLATTE BASIN BELOW GUERNSY RESERVOIR HAD 222 PERCENT OF AVERAGE
PRECIPITATION. THE HIGH ELEVATIONS OF THE SOUTH PLATTE BASIN HAD
179 PERCENT OF AVERAGE NOVEMBER PRECIPITATION WHEREAS THE PLAINS
HAD 219 PERCENT OF AVERAGE PRECIPITATION.

STORED WATER IN THE SOUTH PLATTE BASIN STORED WATER WAS 107 PERCENT
OF AVERAGE.
 

PRECIPITATION MAPS

November 2015	WY 2016
November 2015 Precipitation Percent of 1981-2010 Average	WY2016 Precipitation as Percent of 1981-2010 Average
November 2015 Basin Mean Precipitation	WY2016 Basin Mean Precipitation
November 2015 MBRFC Basin Mean Precipitation	WY2016 MBRFC Basin Mean Precipitation