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000
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COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE
SALT LAKE CITY UT
June 3, 2013

        WATER SUPPLY INFORMATION FOR
    SAN JUAN RIVER BASIN


PRECIPITATION AND SNOWPACK (% OF AVERAGE):

SUBBASIN                 MAY PRECIP     OCT-MAY PREC    JUN 1 SNOWPACK
----------------------   ----------     ------------    ---------------
ABOVE NAVAJO RES              55             65                 0
ANIMAS                        55             65                 0
LOWER SAN JUAN                40             65                 -
TOTAL                         50             65                 0

******************************************************************************
OBSERVED STREAMFLOW SUMMARY (% OF AVERAGE):

                         MAY FLOW       OCT-MAY FLOW
----------------------   --------       ------------
BASIN AVERAGE               60%             60%

******************************************************************************
RESERVOIR STORAGE AS OF JUN 1:

RESERVOIR                % CAPACITY
---------------------    ----------
NAVAJO                       58
VALLECITO                    64
LEMON                        36

TOTAL                        58


WATER SUPPLY VOLUME FORECASTS:

San Juan River Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
San Juan River
  Pagosa Springs                  Apr-Jul    106    49    116     97    215
  Pagosa Springs                  Jun-Jul     29    30     39     20     96
  Carracas, nr                    Apr-Jul    136    36    146    129    380
  Carracas, nr                    Jun-Jul     50    32     60     43    158
Rio Blanco River
  Pagosa Springs, nr, Blanco Dam  Apr-Jul     24    44     27     22     54
  Pagosa Springs, nr, Blanco Dam  Jun-Jul    7.5    33   10.0    5.5     23
Navajo River
  Chromo, nr, Oso Div Dam, blo    Apr-Jul     26    40     29     24     65
  Chromo, nr, Oso Div Dam, blo    Jun-Jul    9.0    30   12.0    7.0     30
Piedra River
  Arboles, nr                     Apr-Jul    109    52    115    105    210
  Arboles, nr                     Jun-Jul     30    41     36     26     74
Los Pinos River
  Vallecito Res, Bayfield, nr     Apr-Jul    105    54    115     97    194
  Vallecito Res, Bayfield, nr     Jun-Jul     40    40     50     32     99
San Juan River
  Navajo Res, Archuleta, nr       Apr-Jul    300    41    340    265    735
  Navajo Res, Archuleta, nr       Jun-Jul     75    26    110     40    290
Florida River
  Lemon Res, Durango, nr          Apr-Jul     25    45     29     22     55
  Lemon Res, Durango, nr          Jun-Jul    8.0    30   12.0    5.0     27
Animas River
  Durango                         Apr-Jul    193    47    210    178    415
  Durango                         Jun-Jul     77    35     94     62    220
San Juan River
  Farmington                      Apr-Jul    400    36    435    380   1100
  Farmington                      Jun-Jul     93    20    126     75    470
La Plata River
  Hesperus                        Apr-Jul    6.9    30    8.4    6.4     23
  Hesperus                        Jun-Jul   1.50    18    2.5   1.00    8.5
San Juan River
  Bluff, nr                       Apr-Jul    365    33    385    340   1100
  Bluff, nr                       Jun-Jul     80    18    120     56    450
Mancos River
  Mancos, nr                      Apr-Jul    9.9    32   11.9    8.4     31
  Mancos, nr                      Jun-Jul    3.0    29    5.0   1.50   10.4

MP    Most probable volume in 1000 acre-feet.
MP%   Most probable volume in percent of the 1981-2010 average.
RMAX  Volume that has a 10 percent chance of being exceeded.
RMIN  Volume that has a 90 percent chance of being exceeded.
AVG   Average volume for the 1981-2010 period.

All forecast volumes reflect natural flow.  Actual observed flow may
be affected by upstream water management.

CBRFC/G.Smith