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 (562.62 ft NAVD 1988). 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 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 49700  45600  41300  37300  e26000  32100  79400  89100  66900  69300  31700  26700 
2 50500  54000  39000  44200  e26300  28500  83500  86600  64700  67000  28200  21700 
3 49400  55700  42100  48100  e31000  28000  83100  78600  62700  64500  22400  19900 
4 48300  58700  39900  46800  e36100  32100  83000  72300  61400  62300  23700  19600 
5 48600  58200  37200  44900  e37000  36100  87900  65100  61200  59800  27100  17900 
 
6 46900  58900  37200  50400  38400  38300  96500  59000  62600  57300  27600  18700 
7 45800  62200  45200  50200  51100  43100  100000  57500  62100  55300  27000  24500 
8 44500  62800  40700  47200  55900  47000  108000  55900  61900  53700  23800  26300 
9 43400  57800  30000  43200  54300  47500  112000  52900  61900  52500  24000  26200 
10 42600  52500  36500  38800  47800  49400  117000  49000  62100  51800  23500  27100 
 
11 42000  50800  45400  38000  47400  51800  118000  46700  61600  49100  24100  28000 
12 42400  49300  47400  39500  49200  51400  118000  47000  62300  48600  26800  26000 
13 42100  44900  44500  41200  49500  46600  119000  48600  66100  44900  30300  23400 
14 39600  43900  39300  e41000  59600  36400  118000  52000  70100  41700  30200  22600 
15 39200  43000  e40000  e35000  68300  40400  115000  55200  72400  36800  29000  26800 
 
16 38300  43500  e37000  e26900  67600  36000  110000  55100  74800  35500  23300  26900 
17 35800  41300  29700  e24400  64300  34000  105000  55300  75300  34500  19000  28600 
18 34500  41600  34700  e23500  54200  32900  103000  55800  75200  34300  20200  29400 
19 34700  40400  e25000  e22300  53900  35100  98500  56100  74800  34500  25100  31300 
20 35300  41400  e23000  e20600  59900  39500  91600  60100  75400  30200  30600  32000 
 
21 34300  42600  e24500  e20500  50100  36100  86400  62300  77900  24700  32000  32000 
22 32800  41100  e25000  e20800  35800  33500  86300  64400  78500  25800  29400  31700 
23 35600  41000  e25000  e24200  37000  36100  87700  66200  78700  33700  26800  30600 
24 37600  48700  e24500  e25300  35500  35900  89200  66800  76400  40200  23700  30600 
25 36100  46000  e24300  e24400  38300  32800  89300  67300  75800  41700  23400  30800 
 
26 35400  42100  e24800  e24200  40700  34300  90600  69400  76900  36200  23300  33100 
27 36400  44600  e25800  e25800  41000  38400  91300  70300  78800  36600  21500  41800 
28 39700  47100  e26300  e26500  36400  44100  93800  70500  77300  37600  21200  41500 
29 40000  47800  e27000  e26200  ---  49500  94300  70000  73200  39100  21800  41900 
30 40800  46100  e30000  e26000  ---  54900  93500  68500  71000  39200  26800  42500 
 
31 44100  ---  e32300  e26300  ---  64400  ---  67700  ---  35500  28700  --- 

TOTAL 1266400 1453600 1044600 1033700 1292600 1246200 2948900 1941300 2100000 1373900 796200 860100
MEAN 40850 48450 33700 33350 46160 40200 98300 62620 70000 44320 25680 28670
MAX 50500 62800 47400 50400 68300 64400 119000 89100 78800 69300 32000 42500
MIN 32800 40400 23000 20500 26000 28000 79400 46700 61200 24700 19000 17900
AC-FT 2512000 2883000 2072000 2050000 2564000 2472000 5849000 3851000 4165000 2725000 1579000 1706000
CFSM 0.48 0.57 0.39 0.39 0.54 0.47 1.15 0.73 0.82 0.52 0.30 0.33
IN. 0.55 0.63 0.45 0.45 0.56 0.54 1.28 0.84 0.91 0.60 0.35 0.37
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1874 - 2005, BY WATER YEAR (WY)
MEAN 40720 39270 28010 25840 28320 50430 89850 82470 69850 56190 37770 37970
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 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1874 - 2005
ANNUAL TOTAL 19431100        17357500       
ANNUAL MEAN 53090        47550        48930       
HIGHEST ANNUAL MEAN 94690        1882
LOWEST ANNUAL MEAN 18870        1934
HIGHEST DAILY MEAN 171000            Jun 20,21 119000            Apr 13 307000        Apr 28 1965
LOWEST DAILY MEAN 14700            Jan 26 A 17900            Sep 5 6500        Dec 25 1933
ANNUAL SEVEN-DAY MINIMUM 15100            Jan 25 21200            Sep 2 7430        Dec 24 1933
MAXIMUM PEAK FLOW 123000            Apr 12
MAXIMUM PEAK STAGE 14.78       Apr 12 24.65   Apr 28 1965
ANNUAL RUNOFF (AC-FT) 38540000        34430000        35450000       
ANNUAL RUNOFF (CFSM) 0.620 0.556 0.572
ANNUAL RUNOFF (INCHES) 8.44   7.54   7.77  
10 PERCENT EXCEEDS 111000        78100        95000       
50 PERCENT EXCEEDS 44500        41900        37800       
90 PERCENT EXCEEDS 19000        24600        19000       

A - Estimated.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data