Station list     Available data
UPPER MISSISSIPPI RIVER BASIN


05420500       MISSISSIPPI RIVER AT CLINTON, IA

 
(National Stream-Quality Accounting Network Station)
 

LOCATION.-- Lat 41°46'50", long 90°15'07" (NAD of 1927), in NW1/4 sec.34, T.81 N., R.6 E., Clinton County, Hydrologic Unit 07080101, on right bank at end of Eighth Avenue in Camanche, 5.0 mi upstream from Wapsipinicon River, 6.4 mi downstream from Clinton, 10.6 mi downstream from Lock and Dam 13, and at mile 511.8 upstream from Ohio River.
 

DRAINAGE AREA.-- 85,600 mi2, approximately, at Fulton-Lyons Bridge at Clinton.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: June to August 1873 (fragmentary), October 1873 to current year. October 1932 to September 1939, published as "at Le Claire." June 1873 to December 1932, published in the Iowa State Planning Board report "Stream-flow records of Iowa, 1873-1932."

SURFACE-WATER QUALITY
 

CHEMICAL: October 1974 to September 1987, October 1994 to current year.
 

SEDIMENT: October 1994 to September 30, 1997 (discontinued).
 

SPECIFIC CONDUCTANCE: July 1975 to September 1976; sporadic measurements February 1977 to September 1981; October 1994 to September 30, 1997 (discontinued).
 

WATER TEMPERATURE: July 1975 to April 1989; January 1995 to September 30, 1997 (discontinued).
 

MISCELLANEOUS: Periodic observations.
 

REVISED RECORDS.-- WDR IA-75-1: 1974.
 

GAGE.-- Water-stage recorder and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 562.68 ft above NGVD of 1929. June 6, 1969 to Sept. 16, 1988, water-stage recorder at site 400 ft. upstream at same datum. Auxiliary water-stage recorder at Lock and Dam 13 since Oct. 1, 1958. See WSP 1728 for history of changes prior to Oct. 1, 1955.
 

REMARKS.-- Minor flow regulation caused by navigation dams.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum daily discharge, 307,000 ft3/s, discharge affected by regulation or diversion, April 28, 1965, gage height, 24.65 ft; minimum daily discharge, 6,500 ft3/s, December 25, 1933.

SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 294 mg/L; Apr. 7, 1997; minimum daily mean, 1 mg/L several days in December 1995 - January 1996.

SUSPENDED-SEDIMENT LOADS: Maximum daily, 108,000 tons, Apr. 7, 1997; minimum daily, 96 tons, Jan. 9, 1996.

SPECIFIC CONDUCTANCE: Maximum daily 560 microsiemens Nov. 24 to Dec. 3, 1979; minimum daily 220 microsiemens Apr . 19, 20, 1976, Nov. 8-18, 1980.

WATER TEMPERATURE: Maximum daily 31.5°C July 21-23, 1983; minimum daily 0.0°C on many days during winter periods.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum stage known since at least 1828, that of Apr. 28, 1965.
 

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 17900  17600  22100  22500  e15000  e35000  83800  68000  123000  90400  34100  28300 
2 22000  22900  18500  20600  e15200  43100  89500  66700  130000  78400  33200  28100 
3 20100  26500  16200  19100  e15700  55300  94100  63600  130000  62700  37400  28400 
4 14700  33400  16600  15200  e18200  60000  101000  60200  126000  58000  37500  27900 
5 14900  43600  19200  15500  e19000  70600  104000  51300  121000  52700  41900  25900 
 
6 17200  39400  21200  e15000  e19400  83600  107000  48000  120000  48400  49000  24100 
7 18000  31700  20900  e15400  e19000  85700  113000  43800  121000  56100  44500  27800 
8 18100  26300  20900  e15700  e18900  74600  115000  43800  125000  62100  39200  28200 
9 18800  24900  22600  e15800  e18900  68700  111000  42600  129000  64100  38400  27200 
10 19500  23900  28200  e16300  e18900  59700  101000  43000  136000  62700  37100  27900 
 
11 20200  24000  28600  e17700  e19000  53300  93400  48100  137000  63400  37100  31500 
12 20000  24800  23600  e18800  e19300  47300  81300  47900  139000  64400  35600  32000 
13 19800  20900  18400  e17100  e19300  39600  71600  50800  142000  68500  34300  32100 
14 19400  21000  16800  e16100  e19300  41300  65100  55500  146000  67800  34400  32000 
15 24600  20200  16100  e15700  e19200  44200  59000  55000  148000  65100  34300  30200 
 
16 23600  20100  17000  e16600  e19100  46100  56100  54300  150000  62000  33400  32800 
17 21800  22600  15400  e17800  e19300  48100  54000  54000  153000  60100  31900  47500 
18 18600  24900  14000  e17100  e19300  48100  49900  57500  164000  60000  33200  53300 
19 18100  27800  16600  e16100  e19400  47200  45700  65100  169000  60100  33900  59100 
20 19000  e31000  19400  e15400  e19400  46800  44200  65100  171000  58800  35600  61500 
 
21 19000  e32000  21600  e16700  e20600  47400  48300  64400  171000  57200  34500  60900 
22 18200  e30000  21800  e15800  e22600  46700  55200  66900  169000  58100  31600  63400 
23 18700  e28500  21600  e15300  e25600  45500  56400  95900  165000  57900  28300  61400 
24 19400  e27500  21900  e15300  e28900  48200  54800  129000  158000  57700  26200  56500 
25 20500  26700  21900  e14900  e33100  51200  56900  143000  150000  51900  28400  54200 
 
26 22400  25500  21600  e14700  e33400  55200  63700  143000  141000  43300  31100  54400 
27 26500  25800  22100  e15600  e29000  61100  66400  132000  129000  42200  31800  53900 
28 23100  26900  22500  e15200  e29000  62100  65400  114000  114000  40000  32500  53400 
29 17600  26300  23900  e15200  e29800  64900  64200  99500  101000  33000  36400  54800 
30 16300  24300  24500  e15000  ---  74200  66400  99400  98000  32200  35400  53600 
 
31 16600  ---  24500  e15100  ---  77200  ---  111000  ---  34100  29700  --- 

TOTAL 604600 801000 640200 508300 622800 1732000 2237400 2282400 4176000 1773400 1081900 1252300
MEAN 19500 26700 20650 16400 21480 55870 74580 73630 139200 57210 34900 41740
MAX 26500 43600 28600 22500 33400 85700 115000 143000 171000 90400 49000 63400
MIN 14700 17600 14000 14700 15000 35000 44200 42600 98000 32200 26200 24100
AC-FT 1199000 1589000 1270000 1008000 1235000 3435000 4438000 4527000 8283000 3518000 2146000 2484000
CFSM 0.23 0.31 0.24 0.19 0.25 0.65 0.87 0.86 1.63 0.67 0.41 0.49
IN. 0.26 0.35 0.28 0.22 0.27 0.75 0.97 0.99 1.81 0.77 0.47 0.54
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1874 - 2004, BY WATER YEAR (WY)
MEAN 40720 39200 27970 25790 28190 50510 89790 82630 69850 56280 37860 38040
MAX 203600 146800 73590 54100 65680 127500 175900 212400 182100 198900 113400 92380
(WY) 1882 1882 1882 1973 1966 1973 1997 1888 1892 1993 1993 1938
MIN 13490 13760 11120 11390 14000 17600 26040 23190 15420 14690 12460 13870
(WY) 1934 1934 1934 1890 1893 1934 1931 1977 1988 1988 1936 1933

SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1874 - 2004
ANNUAL TOTAL 15604900        17712300       
ANNUAL MEAN 42750        48390        48940       
HIGHEST ANNUAL MEAN 94690        1882
LOWEST ANNUAL MEAN 18870        1934
HIGHEST DAILY MEAN 157000            May 22 171000            Jun 20 307000        Apr 28 1965
LOWEST DAILY MEAN 13900            Sep 30 14000            Dec 18 6500        Dec 25 1933
ANNUAL SEVEN-DAY MINIMUM 16000            Sep 5 15100            Jan 25 7430        Dec 24 1933
MAXIMUM PEAK FLOW 175000            Jun 21
MAXIMUM PEAK STAGE 18.17       Jun 21 24.65   Apr 28 1965
ANNUAL RUNOFF (AC-FT) 30950000        35130000        35460000       
ANNUAL RUNOFF (CFSM) 0.499 0.565 0.572
ANNUAL RUNOFF (INCHES) 6.78   7.70   7.77  
10 PERCENT EXCEEDS 90000        111000        95200       
50 PERCENT EXCEEDS 27400        34200        37600       
90 PERCENT EXCEEDS 18500        16800        19000       



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data