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 USGS Station 09180500
COLORADO RIVER NEAR CISCO, UT

COLORADO RIVER MAIN STEM

Latitude: 38^48'38"; Longitude: 109^17'34"
Hydrologic Unit Code: 14030005
Drainage area: 24,100 square miles, approximately.
Additional information is available about this station.
Use these links to retrieve Streamflow Hydrograph, or tab-separated ASCII file of monthly data.

Summary of Monthly Flows (1961-90)for Station 09180500

                                           MEDIAN   
                     25             75     CUMU-    
                   QUAR            QUAR-   LATIVE   
PERIOD      AVG.    ILE   MEDIAN   TILE    RUNOFF   
           (cfs)   (cfs)   (cfs)   (cfs)   (inch)   
-------------------------------------------------
OCT.	    4325    3195    3867    5587    0.19
NOV.	    4337    3295    4211    4886    0.38
DEC.	    3960    2925    4004    4632    0.57
OCT-DEC	    4207    3297    3994    4682
CALYEAR	    7090    4583    6713    8873

JAN.	    3766    2651    3727    4408    0.76
FEB.	    3885    2849    3720    4567    0.93
MAR.	    4378    2958    4100    5123    1.14
JAN-MAR	    4009    2962    3846    4498
OCT-MAR	    4108    3116    4037    4533

APR.	    7771    3802    6526   10304    1.45
MAY	   16340    8692   15043   24423    2.10
JUNE	   18043    9901   15763   25375    2.92
APR-JUN	   14051    8158   13296   19793

JULY	    8472    3287    6780   12319    3.27
AUG.	    4147    2556    3327    5422    3.45
SEP.	    3997    2949    3421    5207    3.62
JUL-SEP	    5538    3021    4897    6955
APR-SEP	    9795    5630    9490   13492

WATYEAR	    6958    4533    6417    8856

Extreme High and Low Monthly and Daily Average Flows for Station 09180500

                    SECOND     THIRD                             SECOND     THIRD                
        MON.  HI.  MON.  HI.  MON.  HI.  DAILY  HI.  MON.  LO.  MON.  LO.  MON.  LO.  DAILY  LO. 
       ----------- ---------- ---------- ---------- ---------- ---------- ---------- ----------  
        FLOW  YR.  FLOW  YR.  FLOW  YR.  FLOW   YR.  FLOW  YR.  FLOW  YR.  FLOW  YR.  FLOW   YR. 
PERIOD  (cfs)      (cfs)      (cfs)      (cfs)       (cfs)      (cfs)      (cfs)      (cfs)      
------ ----------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
OCT.	9416.   42 8109.   87 7782.   85 22600.  42 1353.   35 1941.   56 1964.   57 1170.   35 
NOV.	7601.   87 6850.   85 6842.   86 9960.   87 1730.   35 2392.   78 2532.   40 1190.   35 
DEC.	6588.   87 6252.   86 5944.   85 8410.   86 2044.   40 2073.   35 2109.   78 1250.   63 
JAN.	6371.   85 5981.   86 5516.   87 7280.   85 1900.   37 1903.   32 2000.   17 1200.   42 
FEB.	6326.   85 6274.   86 6041.   87 8350.   14 2015.   35 2102.   64 2185.   55 1400.   51 
MAR.	8412.   85 8234.   86 7147.   87 16100.  16 2009.   77 2090.   64 2095.   35 1640.   77 
APR.	22590.  42 21178.  85 17709.  62 37400.  38 1638.   77 2497.