Water Supply Outlook for Alberta
August 2013
Water Supply Forecast as of August 1, 2013 - Oldman River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2013 | ||||||
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 2012 Volume as a % of Average |
St. Mary River | 473,000* | 70 | 68-74 | 66 | 10/99 | 118 |
Belly River | 245,000 | 105 | 103-108 | 102 | 53/99 | 121 |
Waterton River | 508,000 | 93 | 91-96 | 90 | 27/99 | 99 |
Oldman River near Brocket | 1,386,000 | 141 | 138-144 | 135 | 79/99 | 120 |
Oldman River at Lethbridge | 3,280,000 | 116 | 115-118 | 113 | 66/99 | 109 |
* - This value is the natural volume and includes the U.S. share Average is calculated for the March 1 to September 30 period from 1981 to 2009
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