SLCESPCO
National Weather Service
Colorado Basin River Forecast Center
Salt Lake City, Utah
June 03, 2022

San Juan Basin Special Forecast Group

June final Forecasts

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


Rio Blanco  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul    28.0    31.0    34.0        9.6    16.2  


Navajo-Chromo  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul    33.0    37.0    40.0        9.4    19.2  


Little Navajo-Chromo  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul     2.5     2.9     3.1        1.4     1.2  
       Jun     0.1     0.2     0.3
       Jul     0.0     0.1     0.2
       Aug     0.0     0.1     0.2


Vallecito Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul    95.0   103.0   115.0       27.0    53.0  
       Jun    10.0    15.0    22.0
       Jul     5.0     8.0    13.0
       Aug     5.0     7.0    13.0


Navajo Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul   295.0   310.0   340.0      123.0   167.0  
       Jun     5.0    20.0    38.0
       Jul     0.0     0.0    12.0
       Aug     0.0    14.0    30.0


Animas-Durango  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul   183.0   205.0   230.0       35.0   112.0  
       Jun    26.0    41.0    57.0
       Jul    10.0    17.0    26.0
       Aug     9.0    13.0    26.0


Lemon Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul    24.0    27.0    31.0        5.4    16.2  
       Jun     1.5     3.6     5.6
       Jul     0.9     1.8     3.8
       Aug     1.0     1.7     3.5