Station list     Available data
POPE CREEK BASIN


05467000       POPE CREEK NEAR KEITHSBURG, IL

 

LOCATION.-- Lat 41°07'44", long 90°55'09" (NAD of 1927), in SE1/4SE1/4 sec.11, T.13 N., R.5 W., Mercer County, Hydrologic Unit 07080104, on right bank at downstream side of bridge on County Road 900 E, 1.8 mi northeast of Keithsburg, and at mile 3.0.

 

DRAINAGE AREA.-- 174 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: October 1934 to September 1986. Monthly discharge only for some periods, published in WSP 1308. Seven-month period (March to September), water years 1987-90. October 1990 to September 1996. October 1997 to current year.

 

STAGE: Water years 1994-1996;1998 to current year.

 

REVISED RECORDS.-- WSP 1508: 1935-37(M), 1938, 1939-43(M). WDR IL-81-1: Drainage area.

 

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 524.07 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Aug. 1, 1975, nonrecording gage and crest-stage gage at site 1,000 ft upstream at same datum. Aug. 1, 1975 to Aug. 24, 1981, water-stage recorder at site 500 ft downstream at same datum.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,900 ft3/s, Apr. 22, 1973, gage height, 27.88 ft, from graph based on gage readings at site 1,000 ft upstream at same datum; maximum gage height, 29.25 ft, Feb. 9, 2001, estimated discharge, 3,250 ft3/s, ice jam; minimum daily discharge, 0.53 ft3/s, Aug. 6, 1989.

 

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
116 22 17 17   12   e13 21 4870 112 86 29   9.6
226 21 23 21   13   e12 18 2440 103 81 32   9.6
321 20 18 17   16   e12 17 771 104 78 27   9.4
4105 21 19 17   14   e13 19 683 104 74 28   7.1
5126 20 17 20   e12   e14 20 1800 96 70 25   6.2
 
644 20 16 18   e11   e12 17 1130 105 66 24   6.0
730 20 17 16   e10   e12 21 608 115 65 21   5.4
825 20 16 20   e9.4e12 25 487 111 83 19   5.0
923 20 15 19   e9.0e14 25 1490 104 115 17   4.9
1022 20 16 13   e8.6e13 23 1320 123 114 16   4.7
 
1120 19 16 25   e8.312 21 830 119 89 15   4.5
1219 19 17 13   e8.250 19 559 112 72 14   5.1
1318 18 19 12   e8.1237 17 440 102 63 14   15   
1417 18 20 12   e8.0274 16 382 94 58 14   25   
1518 e18 21 11   e8.0169 15 355 87 54 13   22   
 
1617 e18 20 11   e8.0144 13 321 80 51 12   13   
1717 e18 21 11   e8.2130 26 288 75 48 11   7.7
1818 18 31 9.8e8.794 54 262 72 46 10   6.2
1917 18 52 9.4e9.566 47 242 69 44 9.56.8
2016 18 46 9.5e11   54 56 224 64 43 8.96.9
 
2116 17 34 9.5e15   45 59 207 61 145 8.16.2
2215 17 26 9.5e22   37 48 190 59 57 7.47.9
2315 17 18 e8.5e38   31 40 181 57 49 6.97.4
2418 16 22 e7.5e34   26 36 171 55 41 6.69.8
2525 16 20 6.6e25   25 41 161 129 38 6.47.0
 
2628 16 17 6.8e18   23 38 150 219 35 6.46.7
2724 15 17 7.3e15   20 32 138 140 33 5.97.1
2821 20 18 7.3e14   27 31 134 118 35 5.76.5
2920 21 19 7.4---   36 36 132 104 33 5.75.4
3020 20 22 7.9---   29 198 129 94 31 5.55.0
 
3122 --- 21 8.8---   24 --- 120 --- 29 6.6---   

TOTAL839561671388.8382.0168010492121529871926430.6249.1
MEAN27.118.721.612.513.654.235.068499.662.113.98.30
MAX1262252253827419848702191453225
MIN1515156.68.0121312055295.54.5
CFSM0.160.110.120.070.080.310.203.930.570.360.080.05
IN.0.180.120.140.080.080.360.224.540.640.410.090.05

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2003, BY WATER YEAR (WY)
MEAN55.966.372.090.416317920020118812365.253.6
MAX69852057646184364082271710201303693471
(WY)199919991983197420011993197319961990198219931980
MIN2.402.962.632.745.2919.111.47.6810.91.242.751.82
(WY)196419571965197719641956195619891936198919891988

SUMMARY STATISTICSFOR 2002 CALENDAR YEARFOR 2003 WATER YEARWATER YEARS 1935 - 2003
ANNUAL TOTAL62275     32378.5  
ANNUAL MEAN171     88.7  123         
HIGHEST ANNUAL MEAN399         1993
LOWEST ANNUAL MEAN25.8      1940
HIGHEST DAILY MEAN4420         May 124870         May 17030         Oct 18 1998
LOWEST DAILY MEAN14         Sep 29, 304.5      Sep 110.53    Aug 6 1989
ANNUAL SEVEN-DAY MINIMUM15         Sep 255.1      Sep 60.78    Aug 1 1989
MAXIMUM PEAK FLOW5380         May 18900      AApr 22 1973
MAXIMUM PEAK STAGE29.11    May 129.25 BFeb 9 2001
INSTANTANEOUS LOW FLOW4.0      Sep 12
ANNUAL RUNOFF (CFSM)0.980.510.70    
ANNUAL RUNOFF (INCHES)13.316.929.58    
10 PERCENT EXCEEDS356     133     269         
50 PERCENT EXCEEDS59     20     47         
90 PERCENT EXCEEDS18     7.6  7.0      

A - Gage height, 27.88 ft., from graph based on gage readings at site 1,000 ft. upstream at same datum.

B - Ice jam, estimated discharge, 3,250 ft3/s.



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Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

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