Water Supply Outlook for Alberta

August 2006

Table 3b - Water Supply Forecast as of August 1, 2006 - Milk River Basin (Natural Flows)


Volume Forecast for August 1 to September 30, 2006 Year to date
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-July 2006 Volume as a % of Median Ranking (lowest to highest)
Milk River at
Western Crossing 		2,540* 59 24-156 7 29/72** 78*** 24/70**
Milk River
at Milk River 		4,480* 71 48-117 35 34/91 65*** 27/91
Milk River at
Eastern Crossing 		4,060* 64 44-129 23 28/91 66*** 30/91

* NOTE: The forecast shown is the March to September 2006 forecast minus the recorded volume to date

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

** Western Crossing data is from 1931-2001
*** Recorded 2006 natural volumes are preliminary and subject to change

Median is calculated for period 1912 to 2001

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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