Water Supply Outlook for Alberta
May 2008
Table 2a - Water Supply Forecast as of May 1, 2008 - Milk River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2008 | ||||||
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 2007 Volume as a % of Median |
Milk River at Western Crossing |
38,400 | 71 | 52-88 | 34 | 24/70* | n/a** |
Milk River at Milk River |
58,500 | 62 | 45-77 | 29 | 27/91 | n/a** |
Milk River at Eastern Crossing |
66,300 | 57 | 40-73 | 26 | 23/91 | n/a** |
* Western Crossing data is from 1931-2001 ** The recorded March-September 2007 volumes will be published in the next Water Supply Outlook Report. Median is calculated for the March 1 to September 30 period from 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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