SLCESPCO
National Weather Service
Colorado Basin River Forecast Center
Salt Lake City, Utah
April 3, 2025

San Juan Basin Special Forecast Group

April 2024 Forecasts

Forecast volumes in thousands of acre-feet (KAF)

Animas-Durango  FORECAST                   
              90%     50%     10% 
   Apr-Jul   225.0   270.0   370.0                  
       Apr    24.0    31.0    41.0 
       May    86.0   105.0   117.0
       Jun    85.0    95.0   146.0

Navajo Reservoir  FORECAST                    
              90%     50%     10%         
   Apr-Jul   225.0  300.0    455.0       
       Apr    57.0   61.0     80.0
       May   138.0  152.0    188.0
       Jun    41.0   83.0    158.0 

Vallecito Reservoir  FORECAST                   
              90%     50%     10%         
   Apr-Jul   100.0   125.0   165.0        
       Apr    11.3    14.0    19.0
       May    46.0    54.0    59.0
       Jun    32.0    44.0    65.0
 
Lemon Reservoir  FORECAST                   
              90%     50%     10%         
   Apr-Jul    20.0    29.0    43.0          
       Apr     1.9     2.5     4.5
       May     9.3    13.0    15.5
       Jun     6.4    10.5    17.5