Extended Streamflow Prediction
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FGUS65 KSTR 031735
ESPWY
COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH


                      WATER SUPPLY INFORMATION FOR
                            SOUTHWEST WYOMING
                                 AS OF
                              February 1, 2016


PRECIPITATION AND SNOWPACK (% OF AVERAGE):

SUBBASIN                    JAN      OCT-JAN     FEB 1       JAN
                          PRECIP     PRECIP      SNOW        FLOW
----------------------    ------     -------     -----     --------
GREEN ABV FLAMING GORGE      90         95         95         110
BEAR RIVER HEADWATERS       110         95        100          90

RESERVOIR STORAGE (KAF) AS OF January  31, 2016
Figures are in 1000 Acre Feet

                            C U R R E N T   Y R         L A S T   Y R    1981-2010
                          EOM      % of     % of       EOM      % of     JAN 31        Usable
                          Storage  Average  Capacity   Storage  Average  Avg Storage   Capacity
------------------------------------------------------------------------------------------------
   GREEN - FONTENELLE RE|    170.0|    113|     49| 233.7|    156|     150.1|     344.8|
   BIG SANDY - BIG SANDY|     19.7|    119|     51|  21.5|    130|      16.6|38.3|
   BLACKS FORK - MEEKS C|      7.0|     60|     23|  22.5|    195|      11.5|29.9|
   EF SMITHS FORK - STAT|      6.0|    107|     43|   9.5|    170|       5.6|13.9|
   GREEN - FLAMING GORGE|   3162.8|    104|     84|3234.4|    106|    3050.5|    3749.0|

STREAMFLOW FORECASTS:

GREEN RIVER BASIN          Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
Green River
  Daniel, nr, Warren Brid  Apr-Jul    205    84    275    225    173    138    245
Pine Ck
  Fremont Lk, abv          Apr-Jul     83    85    109     91     69     59     98
New Fork River
  Big Piney, nr            Apr-Jul    255    72    405    300    205    145    355
Green River
  Fontenelle Res, Fontene  Apr-Jul    515    71    805    610    445    325    725
Big Sandy River
  Farson, nr               Apr-Jul     35    67     58     41     31     22     52
Green River
  Green River, Wy, nr      Apr-Jul    515    71    845    615    450    305    730
EF Smiths Fork River
  Stateline Res, Robertso  Apr-Jul     23    88     33     28   19.6   17.7     26
Blacks Fork River
  Robertson, nr            Apr-Jul     75    84    114     89     63     50     89
Hams Fork River
  Frontier, nr, Pole Ck,   Apr-Jul     39    72     69     46     30     24     54
  Viva Naughton Res        Apr-Jul     51    69    102     64     39     31     74
Green River
  Flaming Gorge Res, Flam  Apr-Jul    685    70   1350    830    580    420    980
Little Snake River
  Slater, nr               Apr-Jul    135    87    189    159    117     89    156
  Dixon, nr                Apr-Jul    285    83    425    365    250    180    345

Bear River Basin
                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
Bear River
  Utah-Wyoming State Line  Apr-Jul    103    92    137    116     88     73    112
  Woodruff Narrows Rsvr,   Apr-Jul     99    82    178    122     80     59    121
  Montpelier, nr, Stewart  Apr-Jul     90    49    160    109     70     51    182
Smiths Fork River
  Border, nr               Apr-Jul     73    82    105     85     66     54     89

50% Most probable volume in 1000 acre-feet.
%AVG  Most probable volume in percent of the 1981-2010 average.
10% Volume that has a 10 percent chance of being exceeded.
30% Volume that has a 30 percent chance of being exceeded.
90% Volume that has a 90 percent chance of being exceeded.
70% Volume that has a 70 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/Nielson/Miller





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