SLCESPCO
National Weather Service
Colorado Basin River Forecast Center
Salt Lake City, Utah
January 18, 2023

San Juan Basin Special Forecast Group

January Mid-Month Forecasts

Seasonal and Monthly forecasts
Forecast volumes in thousands of acre-feet (KAF)


Rio Blanco  FORECAST              
              90%     50%     10%    
   Apr-Jul    35.0    49.0    72.0     


Navajo-Chromo  FORECAST              
              90%     50%     10%    
   Apr-Jul    43.0    59.0    88.0     


Little Navajo-Chromo  FORECAST              
              90%     50%     10%    
   Apr-Jul     3.7     5.7    10.7     
       Jan    0.07    0.08    0.09
       Feb    0.09    0.11    0.16
       Mar    0.20    0.30    0.60


Vallecito Reservoir  FORECAST              
              90%     50%     10%    
   Apr-Jul   150.0   190.0   260.0     
       Jan     5.0     5.4     5.8
       Feb     3.5     4.0     5.0
       Mar     4.5     6.0    11.0


Navajo Reservoir  FORECAST              
              90%     50%     10%    
   Apr-Jul   465.0   640.0  1010.0     
       Jan    19.0    20.0    22.0
       Feb    17.0    22.0    35.0
       Mar    35.0    52.0   100.0


Animas-Durango  FORECAST              
              90%     50%     10%    
   Apr-Jul   300.0   425.0   585.0     
       Jan    11.0    11.5    12.0
       Feb     9.0    10.0    12.0
       Mar    12.0    15.0    27.0


Lemon Reservoir  FORECAST              
              90%     50%     10%    
   Apr-Jul    40.0    53.0    77.0 
       Jan     0.8     0.9     1.0
       Feb     0.6     0.7     0.9 
       Mar     0.7     1.1     3.5