FLOOD03231

• County: Mesa
• Community: Mesa County
• Stream Name: Colorado River
• Basin: Colorado Mainstem
• Title: Hydrology Report FIS in Mesa County
• Date: 5/1/1989
• Prepared For: FEMA
• Prepared By: J.F. Sato & Associates
• Floodplain - Doc Type: Data ‎(general)‎

!

r:(
I '

[c
(
'-

(

r

c

c
(

t

c(

I
;

',' t'"

(

(

(

- FLCOo FLOW F~~GU~NCY ANALYSIS'
- VERSION DATE ~~3 9, 1982 -
- AFTER SULLETI:Il 178, SEPT 1981 *

***.***..**.*.~*.~r*****1r.********

tJ/,t: C ~ /.;.- 3S"

a**TITLE CARo(S)-- ~
TT STATIONCU;~- COLe RIVD -. STATE LINE
TT PERIOD OF RECORD IS 1951-8.
TT PEAKS FOR 1934-50 ESTIMATED
TT NEW ESTIMATES WITH PLATEAU CR ADDEO
TT BY ADDING CAMEO TO ONE-DAY CONC., GUNNISON
O**JOB CARo(S)**
IPPC ISKFX IPROUT
Jl 2 1 52
O**STATION IDENTIFICATION**
10 1635 COLD RIVER NR STATELINE, 1934-84
--

f''''-5'~ -".
;93'1-8'1

R I V ER

IFMT
o

IUNIT
o

IIIYR
o

ISMRY
o

IPNCH
o

IREe;
o

**SYSTEMATIC EVENTS*-
51 EVENTS TO BE AN,'LYZED
O**END OF INPUT OATA*-
ED ++++++++++++++.)0+++++.)0++++++ +++ "'++-l~++++..t++++ ++ ++++++++++++++++
+++++++~.'++ + +++ ++.)0++" ++.)0+ +++ ++ + +....to ++++++ +++.<t.. ++ -Ia+ +++ ++++ .-t.+++++

-SKEW WEIGHTING -

____________ _____...._____...____ __ __....~.. __ ..a_ ________ __ _._ __ _ ___________

BASED ON 51 EVENTS, MEAN-SQUARE ERROR OF STATION SKEW =-99.000
OEFAULT OR INPUT MEAN-SQUARE ERROR OF GENERALIZED SKEW = 0.302

PRELIHINARY RESULTS
-FREQUENCY CURVE- 1635

COLO RIVER NR STAfELINE, 1934-84

*****************'.*****....********n*****************.*********.*

*........FLOW,CFS........*
.. EXPECTED * EXCEEoANCE
* COMPUTED PROBABILITY * PROBABILITY

-...CONFIDENCE LIMITS...*

*

..

* 0.05 LIMIT 0.95 LIMIT ..

*----------------.------.--*-------------*-----------------------*

* 76300* 78500. * 0.002 .. 96 '+0 0 . 63900* *
* 72100. 73900. .. 0.005 .. 90200. 60700. *
.. 68'+00. 69900. ., 0.010 * 8'l,90D. 57900. ..
* 6'1100. . 65300. * 0.020 * 78700. 5'1700. ..
* 59200. 60000. * 0.0'10 * 71800. 50800. ..
* 51200. 51700* '" 0.100 .. 60900. 4'1600. -
* '13800. HOOO. '" 0.200 * 51000. 38500. -
* 30300. 30300. * 0.500 "* 3'1200. 26900. ..
* 19000. 18800. *' O.BOO * 21600. 16'100. ..
* H300. 1'1000. '" 0.900 * 16600." 11900. ..
* 111 00. 10700. * 0.950 * 130 20 O. 8860. ..
* 6'+90. 5950. * 0.990 * 8,20 D. 4720. *

*+++++++++++++++++++++++++++++++++++++++++++++.++.+.+++++++++++*

..

FREQUENCY CURVE STATISTICS

STATISTICS BASED ON

..

*

*--------------------------------*-----------------------------*

.. MEAN LOGARITHM 4.4517 * HISTORIC EVENT S 0 *
(,,, * STANDARD DEVIATION 0.2213 .. HII GH OUTLIERS 0 *
.. COMPUTED SKEW -0.7826 * LOIJ OUTLIERS a ..
. , * GENERALIZED SKEW -99.0COO * ZERO OR rlI S5 ING 0 *
~ -.~ \. .. ADOPTED SKEW -0.8000 * SYSTEMATIC: EVE NT S 51 *

1<-">"

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