BOARD00568

• Board Meeting Date: 1/27/2004
• Description: ISF Section - Instream Flow Appropriations - Thirtyone Mile Creek
• Board Meetings - Doc Type: Memo

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Colorado ~ter Conservation Board
Estimation of Natural Streamflow Characteristics
Based upon USGS WRI 85-4086
Joanna Tisdale

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Date:

10/30/98

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************************************.****************.***************************************************4444A44

STREAM: Thirtyone Mile Creek
COUNTY: Park
REGION: 1
1 =MT,2=SW,3=NW,4=RG
CROSS-SECTION
LOCATION CURRANT CREEK, SW of Guffey

BASIN AREA (MI^2): 22.00 22
MEAN ELEV. (FEET): 9400.00 4.4
MEAN PPT. (INCHES): 17.20 7.2
MEAN SLOPE: n/a n/a
PRESS RETURN THAN AL T C TO CALCULAT
PRESS AL T Q TO PRINT TO LPT2 LASERJET

AVE. ANNUAL FLOW (CFS):

14.206

PERCENT
DURATION

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FLOW
(CFS)

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90 . 1.255
70 . 2.080
50 . 3.306
25 . 9.925
10 . 43.592

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2-YR 7 DAY LOW FLOW (CFS): 1.052
10-YR 7 DAY LOW FLOW (CFS): 0.482
50-YR 7 DAY LOW FLOW (CFS): 0.260

MEAN MONTHLY FLOW

. AVERAGE -S.E. +S.E.
MONTH . FLOW (CF (CFS) (CFS)
*********************4AA4444 **************************** 4A44A AAAA****.
OCT. . 3.540 1.593 5.486 Y>
NOV. . 2.884 1.298 4.471 ' :13
DEC. . 2.232 1.004 3.459 ,~{~"
JAN. . 1.890 0.851 2.930 053
FEB. . 1.939 0.872 3.005 u >:;,}
MAR. . 2.831 1.274 4.388 (j \i
APR. . 7.244 3.260 11.228 : iJ $"'~"
. 29.226 13.152 45.300 -" ,
MAY L;)
JUNE . 50.794 22.857 78.731 <;c
JULY . 10.564 4.754 16.374 I(II"{
AUG. . 4.909 2.209 7.608 ,1",,'
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SEPT. . 3.501 1.575 5.426 >k;