Water Supply Outlook for Alberta
April 2012
Water Supply Forecast as of April 1, 2012 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2012 | ||||||
Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average | Potential Minimum as % of Average | Forecast Ranking (lowest to highest) | Recorded March-September 2011 Volume as a % of Average |
St. Mary River | 709,000* | 95 | 86-108 | 75 | 39/91 | 143 |
Belly River | 241,000 | 98 | 83-114 | 76 | 44/91 | 146 |
Waterton River | 628,000 | 104 | 92-112 | 85 | 54/91 | 144 |
Oldman River near Brocket | 1,124,000 | 103 | 90-123 | 69 | 53/91 | 148 |
Oldman River at Lethbridge | 2,896,000 | 97 | 80-114 | 67 | 48/91 | 145 |
* - This value is the natural volume and includes the U.S. share Average is calculated for the March 1 to September 30 period from 1912 to 2001
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