Extended Streamflow Prediction
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544
FGUS65 KSTR 141621
ESPCO
National Weather Service
Colorado Basin River Forecast Center
Salt Lake City, Utah
June 14, 2017

San Juan Basin Special Forecast Group

June mid-month 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    60.0    65.0    69.0       14.6    24.0


Navajo-Chromo  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May
   Apr-Jul    71.0    74.0    81.0       18.7    25.0


Little Navajo-Chromo  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May
   Apr-Jul     8.8     9.2    10.2        3.0     3.9
       Jun     1.7     2.0     2.5
       Jul     0.2     0.3     0.8
       Aug     0.1     0.2     0.5


Vallecito Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May
   Apr-Jul   194.0   205.0   220.0       45.0    67.0
       Jun    65.0    71.0    77.0
       Jul    17.0    22.0    31.0
       Aug    12.0    16.0    27.0


Navajo Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May
   Apr-Jul   720.0   750.0   805.0      235.0   264.0
       Jun   200.0   220.0   245.0
       Jul    21.0    31.0    61.0
       Aug    10.0    27.0    56.0


Animas-Durango  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May
   Apr-Jul   395.0   420.0   460.0       78.0   120.0
       Jun   155.0   170.0   190.0
       Jul    42.0    52.0    72.0
       Aug     0.0    31.0     0.0


Lemon Reservoir  FORECAST                   OBSERVED
              90%     50%     10%        Apr     May
   Apr-Jul    47.0    51.0    57.0        9.8    17.0
       Jun    17.0    20.0    23.0
       Jul     3.0     4.0     7.0
       Aug     2.0     3.0     6.0



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