SLCESPCO
National Weather Service
Colorado Basin River Forecast Center
Salt Lake City, Utah
May 04, 2022

San Juan Basin Special Forecast Group

May final Forecasts

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


Rio Blanco  FORECAST                   OBSERVED
              90%     50%     10%        Apr 
   Apr-Jul    30.0    34.0    43.0        9.6  


Navajo-Chromo  FORECAST                   OBSERVED
              90%     50%     10%        Apr 
   Apr-Jul    33.0    39.0    48.0        9.4  


Little Navajo-Chromo  FORECAST                   OBSERVED
              90%     50%     10%        Apr 
   Apr-Jul     2.6     3.4     4.4        1.4  
       May     0.9     1.5     2.2
       Jun     0.2     0.3     0.5
       Jul     0.1     0.2     0.3


Vallecito Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr 
   Apr-Jul   103.0   121.0   149.0       27.0  
       May    50.0    60.0    67.0
       Jun    18.0    24.0    38.0
       Jul     8.0    10.0    17.0


Navajo Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr 
   Apr-Jul   310.0   380.0   480.0      123.0  
       May   156.0   190.0   225.0
       Jun    31.0    64.0   100.0
       Jul     0.0     3.0    32.0


Animas-Durango  FORECAST                   OBSERVED
              90%     50%     10%        Apr 
   Apr-Jul   205.0   260.0   325.0       35.0  
       May    85.0   110.0   118.0
       Jun    63.0    85.0   119.0
       Jul    22.0    30.0    53.0


Lemon Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr 
   Apr-Jul    24.0    30.0    39.0        5.4  
       May    11.6    15.0    17.0
       Jun     5.0     7.0    11.6
       Jul     2.0     2.6     5.0