Extended Streamflow Prediction
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000
FGUS65 KSTR 042041
ESPWY
COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH


                      WATER SUPPLY INFORMATION FOR
                            SOUTHWEST WYOMING
                                 AS OF
                              June 4, 2014


PRECIPITATION AND SNOWPACK (% OF AVERAGE):

SUBBASIN                   MAY       OCT-MAY       MAY
                          PRECIP     PRECIP       FLOW
----------------------    ------     -------    --------

GREEN ABV FLAMING GORGE     80        105         150
BEAR RIVER HEADWATERS       70        105         100

RESERVOIR STORAGE (KAF) AS OF MAY 31, 2014

                                C U R R E N T   Y R         L A S T   Y R       1981-2010
                          EOM      % of     % of       EOM      % of        APR  30        Usable
                          Storage  Average  Capacity   Storage  Average    Avg Storage   Capacity
------------------------------------------------------------------------------------------------
 GREEN - FONTENELLE RE|    186.4     114       54       184.6     113        164.0      344.8
 BIG SANDY - BIG SANDY|     24.3      83       63        22.8      77         29.4       38.3
 BLACKS FORK - MEEKS C|     30.4     122      102        18.9      76         24.9       29.9
 EF SMITHS FORK - STAT|     14.2     126      102        11.0      97         11.3       13.9
 GREEN - FLAMING GORGE|   3185.0     104       85      3002.6      98       3071.5     3749.0

STREAMFLOW FORECASTS:

GREEN RIVER BASIN
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Green River
  Daniel, nr, Warren Bridge, at   Apr-Jul    340   139    380    310    245
  Daniel, nr, Warren Bridge, at   Jun-Jul    235   140    275    205    168
Pine Ck
  Fremont Lk, abv                 Apr-Jul    119   121    136    109     98
  Fremont Lk, abv                 Jun-Jul     90   118    107     80     76
New Fork River
  Big Piney, nr                   Apr-Jul    455   128    520    410    355
  Big Piney, nr                   Jun-Jul    315   124    380    270    255
Green River
  Fontenelle Res, Fontenelle nr   Apr-Jul   1130   156   1250   1010    725
  Fontenelle Res, Fontenelle nr   Jun-Jul    755   159    880    640    475
Big Sandy River
  Farson, nr                      Apr-Jul     49    94     57     43     52
  Farson, nr                      Jun-Jul     32    94     40     26     34
Green River
  Green River, Wy, nr             Apr-Jul   1130   155   1260    985    730
  Green River, Wy, nr             Jun-Jul    775   161    905    630    480
EF Smiths Fork River
  Stateline Res, Robertson,nr     Apr-Jul     28   108     32     25     26
  Stateline Res, Robertson,nr     Jun-Jul   15.0    84   19.0   12.0   17.8
Blacks Fork River
  Robertson, nr                   Apr-Jul     94   106    106     86     89
  Robertson, nr                   Jun-Jul     48    81     60     40     59
Hams Fork River
  Frontier, nr, Pole Ck, blo      Apr-Jul     72   133     81     67     54
  Frontier, nr, Pole Ck, blo      Jun-Jul     28   108     37     23     26
  Viva Naughton Res               Apr-Jul     91   123    101     82     74
  Viva Naughton Res               Jun-Jul     34   110     44     25     31
Green River
  Flaming Gorge Res, Flaming Gor  Apr-Jul   1320   135   1480   1190    980
  Flaming Gorge Res, Flaming Gor  Jun-Jul    860   143   1020    730    600
Little Snake River
  Slater, nr                      Apr-Jul    210   135    230    200    156
  Slater, nr                      Jun-Jul     80   121    100     70     66
  Savery, nr                      Apr-Jul    375   109    410    335    345
  Savery, nr                      Jun-Jul    146   108    180    105    135

BEAR RIVER BASIN
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Bear River
  Utah-Wyoming State Line, nr     Apr-Jul    117   104    124    112    112
  Utah-Wyoming State Line, nr     Jun-Jul     64    97     71     59     66
  Woodruff Narrows Rsvr, abv      Apr-Jul    108    89    115    101    121
  Woodruff Narrows Rsvr, abv      Jun-Jul     47    82     54     40     57
  Montpelier, nr, Stewart Dam, b  Apr-Jul     69    38     79     59    182
  Montpelier, nr, Stewart Dam, b  Jun-Jul     35    38     45     25     91
Smiths Fork River
  Border, nr                      Apr-Jul    108   121    113    103     89
  Border, nr                      Jun-Jul     63   126     68     58     50

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/A.Nielson,W.P Miller



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