Division Engineer Water Supply Report Gunnison State of the River Meeting June 1, 2015 Bob W. Hurford, P.E. Division Engineer Water Division 4

Basin Map

19 States & Mexico Rely on Colorado Water

Water Deliveries in Colorado  Agriculture 86%  Municipal/Domestic 7%  Recreation/Fisheries 3%  Industrial/Commercial 2%  Augmentation 1%  Recharge 1%

Typical SNOTEL Site

Grand Mesa Snow Measurement

Basin Map

Snowpack in Gunnison Basin as a whole % Seasonal Peak = 70%

Snowpack Above Blue Mesa % Seasonal Peak = 74%

Snowpack Above Paonia % Seasonal Peak = 71%

Snowpack Above Ridgway % Seasonal Peak = 79%

Record Late Peak at Red Mountain Pass

More Precip Data for May  Montrose ” vs 0.98” average > 200%  Gunnison ” vs 0.78” average > 300%  Paonia ” vs 0.99” average > 400%

Visitor Center Parking Lot Grand Mesa May 24, 2015

Looking Ahead in 2015  High antecedent soil moisture conditions resulting decent runoff.  Excellent carryover storage due to late season moisture last year.  Average temperature conditions predicted for the next three months in the Gunnison Basin  Above average temperature conditions predicted for the next three months in the Gunnison Basin  Overall, good water supply for irrigation season with the exception of the North Fork area.  El Nino conditions

 El Niño conditions are present.  There is an approximately 90% chance that El Niño conditions will continue through Northern Hemisphere summer 2015, and a greater than 80% chance it will last through What about El Nino?

3-Month Temperature Outlook

3-Month Precipitation Outlook