Water Supply Outlook for Alberta

March 2002

Table 2 Water Supply Forecast as of March 1, 2002 - Milk River Basin (Natural Flows)


Volume Forecast for March 1 to September 30
Locations Volume
in dam3 		Volume as a
% of Median 		Probable Range as a % of Median Reasonable Minimum as
% of Median 		Forecast Ranking (lowest to highest) Recorded March-September 2001
Volume as a
% of Median
Milk River at
Western Crossing 		23,500 41 22-88 14 14/63* 24
Milk River
at Milk River 		39,100 41 22-87 14 14/84 24
Milk River at
Eastern Crossing 		46,600 40 22-88 15 15/84 21

Note: Click on the site Location to see the Water Supply Forecast graphically

* Western Crossing data is from 1931-95

Median is calculated for the March 1 to September 30 period from 1912 to 1995

NOTE: There is: a 50% chance that the actual natural flow will fall within the probable range given; a 25% chance that the actual flow will be less than the lower bound of the probable range given; and a 10% chance that the actual natural flow will be less than the reasonable minimum. Actual day to day streamflow conditions may vary throughout the season as a result of the effects of streamflow diversion and reservoir storage.

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