WSP12947

• File Number: 8040.800
• Description: Water Resources for Colorado
• State: CO
• Date: 6/1/2004
• Author: US Dept of Agriculture - Natural Resoruces Conservation Service
• Title: Colorado Basin Outlook Report June 1, 2004
• Water Supply Pro - Doc Type: Data

~~.ag..===a....=..~..=.a_=.......=.=.....c...=..............a..................=..............==................................=.

ARKANSAS RIVER BASIN
Streamflow Forecasts - June 1, 2004

=~.......=_.==.._~..._._..=.a=_~==...=._........_..=_.........._..=_...=......._.===.=_=.=.=...~._..=................_......=.....

<<...... Drier ..-... Future Conditions wetter ==...>>
Forecast Point Forecast ......-..........==. Chance Of Exceeding * ...~.a..~c.a==.==.====
Period 90\ 70\ 50\' (Most Probable) 30\ 10\ 30-Yr Avg.
(lOOOAF) (lOOOAP) (lOOOAF) ('Ii AVG.) (lOOOAF) (lOOOAP) (1000AF)
.......................=........=............c=_.................... ....................... ....................................-
Chalk Creek nr Nathrop APR-SEP 11.1 15.5 20 74 25 31 27
Arkansas River at SaUda APR-SEP 180 220 245 79 270 310 310
Grape Creek nr Westcliffe APR-SEP 6.9 11.7 15.0 77 18.3 23 19.6
Pueblo Reservoir Inflow APR-SEP 210 265 300 70 335 390 430
Huerfano River nr Redwing APR-SEP 9.0 11.0 12.0 77 13.0 15.0 15.5
Cucharas River nr La Veta APR-SEP 8.9 9.6 10.5 81 12,7 15.9 13.0
Trinidad Lake Inflow APR-SEP 38 42 45 102 53 64 44

..a....................................................................._:=...=........=..........................................

I
I
....==...........=..====..~.a~=..#==...=.....=..=.D.....=...~......=.......=..=.c===.....=.=...=_=..=.....=~.=...~..........=..=..
Usable I *** Usable Storage *** I Number This Year as % of
Capacityl This Last I Watershed of .................
I Year Year Avg I Data Sites Last Yr Average
=...=..........=............=...~=.=.=.=......._........................,....................=....................................
ADOBE 70.0 0.0 0.0 33.0 I UPPER ARKANSAS BASIN 3 63 29
I
6.3 I
I
39.3 I

ARKANSAS RIVER BASIN
Reservoir Storage (1000 AF) - End of May

ARKANSAS RIVER BASIN
Watershed Snowpack Analysis - June 1, 2004

Reservoir

CLEAR CREEK

11.0

8.3

8.6

CUCHARAS " HUERFANO RIVER

2

o

o

GREAT PLAINS

150.0

0.0

0.0

PURGATOIRE RIVER BASIN

2

o

o

HOLBROOK 7.0 0.0 0.6 4.1 TOTAL ARKANSAS RIVER BASI 6 63 23
HORSE CREEK 28.0 11.5 0.0 10.0
JOHN MARTIN 335.7 6.6 29.6 128.1
LAKE HENRY 8.0 5.1 3.1 5.7
MEREDITH 42.0 17.7 3.8 18.5
PUEBLO 236.7 100.2 89.4 160.1
TRINIDAD 72.3 29.6 16,1 29,7
TURQUOISE 126.6 81.1 35.6 77.6
TWIN LAKES 86.0 51.4 36.6 42.6

................................................................................................................................~.

* 90\, 70%, 30%, and 10% chances of exceeding are the probabilities that the actual volume will exceed the volumes in the table.

The average is computed for the 1971-2000 base period.

(1) - The values listed under the 10\ and 90\ Chance of Exceeding are actually 5\ and 95\ exceedance levels.
(2) - The value is natural volume - actual volume may ,be affected by upstream water management.