SLCESPCO
National Weather Service
Colorado Basin River Forecast Center
Salt Lake City, Utah
June 04, 2018

San Juan Basin Special Forecast Group

June final Forecasts

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


Rio Blanco  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul    20.7    23.0    25.0        7.7    10.0  


Navajo-Chromo  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul    24.7    27.0    29.2        7.6    13.1  


Little Navajo-Chromo  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul     1.8     1.9     2.1        0.9     0.7  
       Jun     0.1     0.15    0.2
       Jul     0.1     0.15    0.3
       Aug     0.1     0.15    0.3


Vallecito Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul    56.0    60.0    67.0       14.9    29.0  
       Jun     8.0    10.0    12.0
       Jul     4.0     6.0    11.0
       Aug     5.0     7.0    13.0


Navajo Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul   161.0   174.0   191.0       70.0    88.0  
       Jun     2.0    10.0    15.0
       Jul     1.0     6.0    18.0
       Aug    17.0    25.0    44.0


Animas-Durango  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul   101.0   109.0   124.0       16.0    56.0  
       Jun    20.0    25.0    32.0
       Jul     9.0    12.0    20.0
       Aug     8.0    13.0    23.0


Lemon Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May 
   Apr-Jul    12.1    13.6    16.0        3.1     7.5  
       Jun     1.0     2.0     3.0
       Jul     0.5     1.0     2.4
       Aug     0.7     2.0     3.5