Extended Streamflow Prediction
Issued by NWS Arkansas-Red Basin RFC

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                       National Weather Service

                  Arkansas Red River Forecast Center



 2021 Water Supply Forecast                     Issued as of June 4, 2021



                              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      145    74     190    97    205   105    197

  Salida, Co            001      215    73     305   103    141    48    295

  Canon City, Co        001      265    69     400   104    182    47    383

  Pueblo Abv, Co        001      300    66     415    91    210    46    455

GRAPE CREEK

  Westcliffe Nr, Co     001     13.5    69      22   112    7.8    40   19.6

CUCHARAS RIVER

  Boyd Ranch, La Veta   001     11.8    84    14.8   105    9.2    65   14.1

PURGATOIRE  RIVER

  Trinidad, Co          001       51   109      68   145     38    81     47

HUERFANO RIVER

  Redwing Nr, Co        001     13.3    88      18   118    9.6    63   15.2

CHALK CREEK

  Nathrop Nr, Co        001     15.8    61      24    92    9.4    36   26.0



LOWER ARKANSAS RIVER BASIN, COLORADO

**ARKANSAS RIVER

  Las Animas, Co        001       95    64     155   105     58    39    148

**PURGATOIRE RIVER

  Las Animas, Co        001       27   113      35   146     14    58   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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   *        This, and additional Water Supply Information,        *

   *              can be found on our Web Page at:                *

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   *            http://www.weather.gov/abrfc/water_supply         *

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$$




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