ISFAPPC01427

• Case Number: 98CW0232
• Stream Name: Devils Creek
• Watershed: Lake Fork Gunnison River
• Water Division: 4
• Water District: 62
• County: Hinsdale
• Instream Flow App - Doc Type: Supplemental Data

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* Colorado Water Conservation Board .
. Estimation of Natural Streamflow Characteristics .
. Based upon USGS WRI 85-4086 .
. By: Lynette Stevens Date: 07-17-96 .'
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STREAM: Devil's Creek BASIN AREA (MI^2): 5.90 5.9
COUNTY: Hinsdale MEAN ELEV. (FEET): 11014.00 6.014
REGION: 1 MEAN PPT. (INCHES): 25.00 15
1 =MT,2=SW,3=NW,4=RG MEAN SLOPE: 0.35 0.35
CROSS-SECTION
LOCATION:confl with Lake Fork Gunnison R.
AVE. ANNUAL FLOW (CFS): 9.063
PERCENT . FLOW
DURATION . (CFS)
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90 . 0.749
70 . 1.231
50 . 2.159
25 . 7.344
10 . 28.911
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2-YR 7 DAY LOW FLOW (CFS): 0.715
10-YR 7 DAY LOW FLOW (CFS): 0.408
50-YR 7 DAY LOW FLOW (CFS): 0.273
MEAN MONTHLY FLOW
. AVERAGE -S.E. +S.E.
MONTH . FLOW (CFS (CFS) (CFS)

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OCT. . 2.654 1.194 4.114
2.673 rf /'
NOV. . 1.724 0.776 I
/,
DEC. . 1.260 0.567 1.953
JAN. . 1.043 0.469 1.617
FEB. . 0.968 0.435 1.500
MAR. . 1.024 0.461 1.587
APR. . 2.330 1.048 3.611
MAY . 13.999 6.300 21.699
JUNE . 45.827 20.622 71.031
JULY . 16.734 7.530 25.938
AUG. . 6.213 2.796 9.630
SEPT. . 3.562 1.603 5.521