Water Supply Outlook for Alberta

July 2008

Table 5a - Water Supply Forecast as of July 1, 2008 - Red Deer River Basin (Natural Flows)

Volume Forecast for March 1 to September 30, 2008
Locations Volume in dam3 Volume as a % of Average Probable Range as a % of Average Reasonable Minimum as % of Average Forecast Ranking (lowest to highest) Recorded March-September 2007 Volume as a % of Average
Red Deer River
at Dickson Dam
1,412,000 151 144-170 137 83/91 n/a**
Red Deer River
at Red Deer
1,756,000 134 128-157 121 77/91 n/a**
Note: Click on the site Location to see the Water Supply Forecast graphically


Average is calculated for the March 1 to September 30 period from 1912 to 2001

** The recorded March-September 2007 volumes will be published in the next Water Supply Outlook Report.

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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