Water Supply Outlook for Alberta
June 2004
| Table 4a - Water Supply Forecast as of June 1, 2004 - Bow River Basin
(Natural Flows) |
| Volume Forecast for March 1 to September 30, 2004 | ||||||
| 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 2003 Volume as a % of Average |
| Bow River at Banff | 914,000 | 85 | 80-98 | 73 | 17/91 | 84 |
| Lake Minnewanka Inflow | 151,000 | 81 | 72-107 | 68 | 23/91 | 93 |
| Spray River near Banff | 305,000 | 83 | 74-99 | 72 | 15/91 | 84 |
| Kananaskis River | 353,000 | 86 | 74-107 | 70 | 25/91 | 80 |
| Bow River at Calgary | 2,057,000 | 85 | 73-101 | 66 | 21/91 | 81 |
| Elbow River | 169,000 | 78 | 63-106 | 59 | 29/91 | 74 |
| Highwood River | 435,000 | 70 | 50-106 | 46 | 28/91 | 72 |
|
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 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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