Water Supply Outlook for Alberta
April 2007
Table 3a - Water Supply Forecast as of April 1, 2007 - Milk River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2007 | ||||||
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 2006 Volume as a % of Median |
Milk River at Western Crossing |
51,000 | 94 | 71-114 | 40 | 31/70* | 76 |
Milk River at Milk River |
79,700 | 84 | 63-102 | 35 | 37/91 | 59 |
Milk River at Eastern Crossing |
93,100 | 80 | 59-99 | 32 | 33/91 | 62 |
Note: Click on the site Location to see the Water Supply Forecast graphically
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* Western Crossing data is from 1931-2001 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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