Extended Streamflow Prediction
Issued by NWS Arkansas-Red Basin RFC

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                       National Weather Service

                  Arkansas Red River Forecast Center



 2018 Water Supply Forecast                     Issued as of June 6, 2018



                              Forecast Runoff                        Average

                                                                     Runoff

                                  Most      Reasonable   Reasonable    30YR

                                Probable     Maximum      Minimum   1981-2010

 Forecast            Forecast          %            %            %

   Point              Period    1000  30YR   1000  30YR   1000  30YR    1000

                          (*)    AF   AVG.    AF   AVG.    AF   AVG.     AF

                  *(1)Apr-Sep

                  *(2)Mar-Jun

UPPER ARKANSAS RIVER BASIN, COLORADO

ARKANSAS RIVER

  Granite, Co           001      125    63     175   89     75   38    197

  Salida, Co            001      180    61     260   88    123   42    295

  Canon City, Co        001      220    57     315   82    145   38    383

  Pueblo Abv, Co        001      250    55     350   77    174   38    455

GRAPE CREEK

  Westcliffe Nr, Co     001      2.3    12     6.3   32    1.1    6   19.6

CUCHARAS RIVER

  Boyd Ranch, La Veta   001      2.3    16     3.8   27    1.3    9   14.1

PURGATOIRE  RIVER

  Trinidad, Co          001      6.5    14    14.0   30    3.0    6     47

HUERFANO RIVER

  Redwing Nr, Co        001      3.5    23     5.9   39    2.1   14   15.2

CHALK CREEK

  Nathrop Nr, Co        001     14.8    57    23.0   88    9.2   35   26.0



LOWER ARKANSAS RIVER BASIN, COLORADO

**ARKANSAS RIVER

  Las Animas, Co        001       65    44     125   84     30   20    148

**PURGATOIRE RIVER

  Las Animas, Co        001      6.5    27    15.0   63    3.1   13   24.0





 *Indicates the 30-year normal is based upon the 30-year median rather than the 30-year mean.

**Indicates the historical and forecast information is regulated or observed flow at the gage.



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