FLOOD04244

• County: Ouray
• Stream Name: Uncompahgre River
• Basin: Gunnison
• Title: Hydrology Addendum to FIS Ouray County Unincorporated Areas
• Date: 7/3/1985
• Prepared For: Ouray County
• Prepared By: Montgomery Watson
• Floodplain - Doc Type: Floodplain Report/Masterplan

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****.*.*.**..........*..*..**..*****

FFA
FLOOD FREQu~~CY ANALYSIS
PROGRAM DATE: FEB 1995
VERSION: 3 . 1
RUN DATE .~ TIME:
21 M&~ 01 16:38:12

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u.
* THE
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S. ARMY CORPS OF ENGINEERS
HYDROLOGIC ENGINEERING CENTER
609 SECOND STREET
DAVIS, CALIFORNIA 95616
[phone]

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*******.****.*.****.****************

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INPu~ FILE NAME: 09146600.DAT
OUTPu~ FILE NAME: 09146600.DUT

**TITLE RECORD(S)**
TT PLEASANT VALLEY CRE~K NEAR NOEL, CO.
TT uSGS GAGE NO 09146600
TT DRAINAGE AREA = 8.17 SQ MI, 1956-1967

**STATION IDENTIFICATION**
1D COW CREEK NEAR RIDGWAY, CO.

**GENERALIZED SKEW.*
ISTN GGMSE
GS 6600 .000

SKEN
.10

*.SYSTEMATIC EVENTS**
12 EVE~S TO BE ANALYZED

**END OF INPUT DATA**

ED ++++++-+++.+++++++++++-++r++_+++++++++++++~+~+_++++++++++++~+
++++++++++++++++++++++++++++++++++++++++++++++++++~+++--++++++++

AA~

FINAL RESULTS

~

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?LO~T~NG POSITIONS- cow CREEK ~E.~, RIDGWAY, CO.
Eiiifffiifiiiiiiiiiiffii:iiNfff:ii::ii:iiiiiiiiiiiiiIIIilliIIII>>
EVENTS ANALYZED ORDER~D EVENTS
FLOW WATER ~LOW
CFS ~~ YEAR CFS

MON DAY

YEAR

WEIBULL
PLOT POS

c;'

.......................................'l[

4 12 1956 84. 1 1957 500. 7 .69
7 29 1957 500. 2 1965 322. 15. 38
4 20 1958 162. 3 1964 302. 23 .OB
4 23 1959 35. 4 1960 248. 30. 77
4 10 1950 248. S 1958 162. 3B. 46
4 2B 1961 155. 6 1962 159. 46 .15
4 17 1962 159, 7 1961 155. 53 .85
3 30 1963 141. 8 1963 141. 6l. 54
5 1964 302. 9 1966 93. 69 .23
4 23 1965 322. 10 1956 84. 76.92
3 30 1966 93. 11 1967 55. 84.62
3 17 1967 55. 12 1959 35. 92.31
Eiiiiiiiiiiiiiiiiiiiiiittiiiiiiiiiii:iiiiiiitiittitiiitiitiitii~

-OUTLIER TESTS
AAAAAAAAA" .. -....... ... . . ..... ..... . . . . . ............. ....AAAAf..JJi.i\f..f.'AAAJ\A}..MAA
LOW OUTLIER TEST
AAAAAAAi\A'AAAJ....'AA'AA

BASED ON 12 EVENTS. 10 ?ERCE~ OUTLIER TEST VAL~E K{~)

2.134

o LOW OUTLIER(S) IDENTIFIED 3ELOW TEST VAL0E OF

28.6

A~
HIGH OUTLIER ~EST
~A

3ASED ON 12 EVEN~S, :0 ?ERCENT OC~L=ER TEST VAL0E K(~J

2.1-34