WSP05271

• File Number: 8040.970
• Description: Basin Outlook Reports
• State: CO
• Date: 1/1/2001
• Author: USDOA
• Title: Colorado Basin Outlook Report
• Water Supply Pro - Doc Type: Publication

SAN MIGUEL, DOLORES, ANIMAS, AND SAN JUAN RIVER BASINS
Streamflo~ Forecasts - June 1, 2001

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I <<=~==c= Drler ====== Future Condltions Wetter ~====>>
======E============= Chance Of Exceeding . ==================~===
I 90\ 70\ I 50' (Most Probable) I 30' 10\ I 30.Yr Avg.
I (1000AF) (1000AF) I (IOOOAP) (' AVG.) I (lOOOH) (lOOOAF) I (1000,ll,P)
..........,.........................................................1........,..............1..............................
Dolores APR-JUL 158 177 I 190 77 I 203 222
inflo~ APR-JUL 182 205 I 220 78 I 235 258
nr placerville APR-JUL 80 92 I 100 82 I 108 120
Inlet JUN-JUL 1.22 1.54 I 1.75 29 I 2.49 3.57
JUNE I 1.50 32 I
JULY I 0.25 19 I
JUN-JUL 0.29 0.50 I 0.65 46 I
JUNE I 0.50 48 I
JULY I 0.15 40 I
JUN-JUL 0.49 0.73 I 0.89 78 I
JUNE I 0.75 86 I
JULY 0.14 52 I
APR.JUL 44 52 57 106 I
APR-JUL 51 61 68 105 I
,Il,PR-JUL 281 34.4 390 102 I
APR-JUL 234 249 260 119 I
APR-JUL 227 237 245 125 I
APR-JUL 769 859 920 119 I
APR-JUL 359 413 450 108 I
APR-JUL 55 63 68 119 I
APR-JUL 15.1 18.6 21 88 I
APR-JUL 26 34 40 100 I
JUNE 12.0 88 I
.JULY 3.00 65 I

porecaat point

Porecast I
Period

Dolores Rlver at
McPhee Reser-.olr
San Miguel Rlver
Gurley Reservoir

Cone ReservOlr Inlet

Lllylands Reservoir Inlet

R10 Blanco at Blanco Diverslon
NavaJO River at 050 Diversion
San Juan River nr Carracus
Piedra River nr Arboles
Vallecito Reservoir Jnflo~
Navajo Reservoir Inflo~
Animas Rlver at Durango
Lemon ReservOlr Inflow
La Plata River at Hesperus
Mancos River nr Mancos

0.97

1. 05

62
75
'39
271
253
981
467
73
2J
46

1.43

1. 29

70
85
516
266
263
1071
541
81
27
54

'"
283
in
6.00
4.67
1.32
1.43
1.0.1
0.38
1.14
0.87
0.27
"
OS
'82
219
'"
772
'"
57
"
"
13.7
4.60

SAN MIGUEL, DOLORES, ANIMAS, AND SAN JUAN RIVER BASINS
Reservoir Storage (1000 AP) - End of May

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I SAN MIGUEL, DOLORES, ANIMAS, AND SAN JUAN RIVER BASINS
I Watershed Snowpack Analysis - June 1, 2001

Reservoi r

Usable I ..... Usable Storage ...
Capacityl This Last
I Year Year Avg I
......... .............................1.
21.7 18.7 20.4. 18.4. I
10.0 10.0 9.9 9.1 I
40.0 38.0 39.4 28.9 I
381.2 ]03.5 ]6].0 361.0 I
19.0 18.2 18.4. 18.0 I
126.0 109.2 121.2 89.5 I

Watershed

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Average

Number
of
Data Sltes

Last Yr

This Year 3S \ of

=======~=======~========~=========_=======5S======~~CD~

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GROUNDHOG
JACKSON GULCH
LEMON
MCPHEE
NARRAGUINNEP
VALLECITO

ANIMAS RIVER BASIN 7
DOLORES RIVER BASIN 4
SAN MIGUEL RIVER BASIN 3
SAN JUAN RIVER BASIN 3
TOTAL SAN MIGUEL, DOLORES 16
AN JUAN RIVER BASINS

o
o
,
5225
7325

19
o
o
45
32

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. 90\, 70\, 30', and 10' chances of exceedlng are the probabilitles that the actual volume will exceed the volumes in the table.
The average 15 computed for the 1961-1990 base period.
(1) _ The values listed under the 10' and 90\ Chance of EKceedlng are actually 5\ and 95' exceedance levels.
(2) - The value is natural volume actual volume may be affected by upstream water management.